Cheap flights from Adelaide to Heidelberg from $754

ADL — FRA
10 Oct — 17 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Adelaide to Heidelberg

Enter your travel dates to find the best prices.

Cheapest flights from Adelaide to Heidelberg

Sun 18/1018:30 -
2 stops33h 35m
Mon 26/1020:30 -
2 stops31h 35m
Deal found 9/9$1,525
Mon 2/1110:10 -
2 stops29h 25m
Thu 12/1109:55 -
2 stops26h 50m
Deal found 6/9$1,534
Thu 8/1021:45 -
2 stops30h 20m
Fri 23/1012:10 -
2 stops35h 20m
Deal found 8/9$1,595
Mon 2/1122:00 -
1 stop24h 50m
Thu 12/1109:15 -
1 stop21h 10m
Deal found 6/9$1,622
Sun 18/1022:00 -
1 stop30h 35m
Mon 26/1009:15 -
1 stop21h 10m
Deal found 9/9$1,662
Wed 14/1022:00 -
1 stop25h 05m
Wed 21/1009:35 -
2 stops38h 00m
Deal found 6/9$1,666
Thu 8/1022:00 -
1 stop30h 55m
Fri 23/1017:15 -
1 stop38h 10m
Deal found 8/9$1,679

Find flight deals from Adelaide to Heidelberg

Round-trip from

$1,525

One-way from

$754

Popular in

December

Cheapest in

January

Average price

$2,130
18/10-26/10
  • 18/10-26/10
  • 4 total stops
  • 65h 10m total
  • Adelaide to Heidelberg
25/10-31/12
  • 25/10-31/12
  • 3 total stops
  • 46h 15m total
  • Adelaide to Heidelberg
Highest demand for flights based on searches. 7% potential increase in price ($209 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease ($150 potential savings vs. average return price).
Average for round-trip flights in September 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Adelaide to Heidelberg that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AdelaideFrankfurt am Main

ADL Adelaide - FRA Frankfurt am Main

ADLFRA

Adelaide

Mon 26/10

18:50-19:00

3 stops57h 40m

Frankfurt am Main

Wed 31/12

00:00-08:30

Nonstop0h 00m

$772

AdelaideFrankfurt am Main

ADL Adelaide - FRA Frankfurt am Main

ADLFRA

Adelaide

Sat 31/10

18:50-19:00

3 stops57h 40m

Frankfurt am Main

Wed 31/12

00:00-08:30

Nonstop0h 00m

$785
Fastest return journey

AdelaideFrankfurt am Main

ADL Adelaide - FRA Frankfurt am Main

ADLFRA

Adelaide

Sat 31/10

22:00-13:20

1 stop24h 50m

Frankfurt am Main

Wed 31/12

00:00-08:30

Nonstop0h 00m

$992

AdelaideFrankfurt am Main

ADL Adelaide - FRA Frankfurt am Main

ADLFRA

Adelaide

Sun 18/10

18:30-19:35

2 stops33h 35m

Frankfurt am Main

Mon 26/10

20:30-13:35

2 stops31h 35m

$1,527

AdelaideFrankfurt am Main

ADL Adelaide - FRA Frankfurt am Main

ADLFRA

Adelaide

Sun 18/10

22:00-20:05

1 stop30h 35m

Frankfurt am Main

Mon 26/10

09:15-15:55

1 stop21h 10m

$1,662

AdelaideFrankfurt am Main

ADL Adelaide - FRA Frankfurt am Main

ADLFRA

Adelaide

Thu 12/11

22:00-13:20

1 stop24h 50m

Frankfurt am Main

Sun 15/11

09:15-15:55

1 stop21h 10m

$1,723

AdelaideFrankfurt am Main

ADL Adelaide - FRA Frankfurt am Main

ADLFRA

Adelaide

Sun 18/10

22:00-14:35

1 stop25h 05m

Frankfurt am Main

Mon 26/10

09:15-15:55

1 stop21h 10m

$1,729

Flights are sorted by cheapest return flights first.

Deals found on 6/9

Sorted by cheapest first

Best time to book a flight from Adelaide to Heidelberg

Have a flexible travel schedule? Discover the best time to fly to Heidelberg from Adelaide with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Adelaide to Heidelberg

How much does it cost for a return flight from Adelaide to Heidelberg?

Airfare is below average for this route at the moment.
Adelaide to Heidelberg flights typically cost between $1,806 and $2,402 in October.
The cheapest return price found within the last 5 days was $1,525 on Multiple Airlines (18 Oct–26 Oct).

Reviews of airlines servicing Heidelberg

Read through reviews of airlines operating flights from Adelaide to Heidelberg, such as Singapore Airlines,Emirates, andQantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.3

Overall

8.2

Entertainment

8.1

Comfort

8.0

Crew

8.6

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Walter,Aug 2026

DPS - SIN

My experience with Cathay Pacific started badly and only became more frustrating as the trip continued. It began when my original flight, which I had booked in Business Class, was canceled. Because of the cancellation, I was involuntarily downgraded. I understood that disruptions happen and was willing to accept the downgrade, but the way Cathay Pacific handled the situation afterward was extremely disappointing. The biggest issue was the lack of communication between airports. When I arrived at the next airport, the staff apparently had no record or confirmation that Cathay Pacific had downgraded me. As a result, I was forced to wait approximately an hour and a half while they tried to verify what had happened and determine how to handle my reservation. This happened at around 2:00 a.m., after an exhausting travel day that had already stretched to roughly 22 hours because of delays. At that point, I was completely exhausted and simply wanted to get to my destination and rest. Having to spend another 90 minutes resolving an issue that should have already been documented and communicated internally made an already difficult travel experience considerably worse. What was even more disappointing was the refund process. Because I had paid for Business Class but was involuntarily downgraded, I expected the fare difference to be refunded automatically. Instead, I discovered that I had to contact Cathay Pacific myself to request reimbursement. When I called, I was initially told that my situation did not qualify for a refund and that I would only be offered a travel voucher. I found that response unacceptable. I had paid for Business Class transportation that Cathay Pacific ultimately did not provide. A voucher requiring me to spend money with the airline again is not the same as refunding money for a service that was never delivered. After several heated minutes of discussion, Cathay Pacific finally agreed to refund both tickets. The cancellation itself was understandable. Even the involuntary downgrade was something I was prepared to accept given the circumstances. What made this experience unacceptable was the poor communication between airports, the lengthy middle-of-the-night delay caused by Cathay Pacific’s internal handling of the downgrade, and then having to argue simply to receive a refund for the Business Class service I had paid for but did not receive. For an airline that markets itself as a premium international carrier, I expected significantly better communication, customer service, and handling of an involuntary downgrade. Unfortunately, after this experience, Cathay Pacific has lost my confidence as a customer. This will be the last time I choose to fly with them.

Boarding

8.3

Overall

8.2

Entertainment

8.1

Comfort

8.0

Crew

8.6

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Walter,Aug 2026

DPS - SIN

My experience with Cathay Pacific started badly and only became more frustrating as the trip continued. It began when my original flight, which I had booked in Business Class, was canceled. Because of the cancellation, I was involuntarily downgraded. I understood that disruptions happen and was willing to accept the downgrade, but the way Cathay Pacific handled the situation afterward was extremely disappointing. The biggest issue was the lack of communication between airports. When I arrived at the next airport, the staff apparently had no record or confirmation that Cathay Pacific had downgraded me. As a result, I was forced to wait approximately an hour and a half while they tried to verify what had happened and determine how to handle my reservation. This happened at around 2:00 a.m., after an exhausting travel day that had already stretched to roughly 22 hours because of delays. At that point, I was completely exhausted and simply wanted to get to my destination and rest. Having to spend another 90 minutes resolving an issue that should have already been documented and communicated internally made an already difficult travel experience considerably worse. What was even more disappointing was the refund process. Because I had paid for Business Class but was involuntarily downgraded, I expected the fare difference to be refunded automatically. Instead, I discovered that I had to contact Cathay Pacific myself to request reimbursement. When I called, I was initially told that my situation did not qualify for a refund and that I would only be offered a travel voucher. I found that response unacceptable. I had paid for Business Class transportation that Cathay Pacific ultimately did not provide. A voucher requiring me to spend money with the airline again is not the same as refunding money for a service that was never delivered. After several heated minutes of discussion, Cathay Pacific finally agreed to refund both tickets. The cancellation itself was understandable. Even the involuntary downgrade was something I was prepared to accept given the circumstances. What made this experience unacceptable was the poor communication between airports, the lengthy middle-of-the-night delay caused by Cathay Pacific’s internal handling of the downgrade, and then having to argue simply to receive a refund for the Business Class service I had paid for but did not receive. For an airline that markets itself as a premium international carrier, I expected significantly better communication, customer service, and handling of an involuntary downgrade. Unfortunately, after this experience, Cathay Pacific has lost my confidence as a customer. This will be the last time I choose to fly with them.

Boarding

8.3

Overall

8.2

Entertainment

8.1

Comfort

8.0

Crew

8.6

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Walter,Aug 2026

DPS - SIN

My experience with Cathay Pacific started badly and only became more frustrating as the trip continued. It began when my original flight, which I had booked in Business Class, was canceled. Because of the cancellation, I was involuntarily downgraded. I understood that disruptions happen and was willing to accept the downgrade, but the way Cathay Pacific handled the situation afterward was extremely disappointing. The biggest issue was the lack of communication between airports. When I arrived at the next airport, the staff apparently had no record or confirmation that Cathay Pacific had downgraded me. As a result, I was forced to wait approximately an hour and a half while they tried to verify what had happened and determine how to handle my reservation. This happened at around 2:00 a.m., after an exhausting travel day that had already stretched to roughly 22 hours because of delays. At that point, I was completely exhausted and simply wanted to get to my destination and rest. Having to spend another 90 minutes resolving an issue that should have already been documented and communicated internally made an already difficult travel experience considerably worse. What was even more disappointing was the refund process. Because I had paid for Business Class but was involuntarily downgraded, I expected the fare difference to be refunded automatically. Instead, I discovered that I had to contact Cathay Pacific myself to request reimbursement. When I called, I was initially told that my situation did not qualify for a refund and that I would only be offered a travel voucher. I found that response unacceptable. I had paid for Business Class transportation that Cathay Pacific ultimately did not provide. A voucher requiring me to spend money with the airline again is not the same as refunding money for a service that was never delivered. After several heated minutes of discussion, Cathay Pacific finally agreed to refund both tickets. The cancellation itself was understandable. Even the involuntary downgrade was something I was prepared to accept given the circumstances. What made this experience unacceptable was the poor communication between airports, the lengthy middle-of-the-night delay caused by Cathay Pacific’s internal handling of the downgrade, and then having to argue simply to receive a refund for the Business Class service I had paid for but did not receive. For an airline that markets itself as a premium international carrier, I expected significantly better communication, customer service, and handling of an involuntary downgrade. Unfortunately, after this experience, Cathay Pacific has lost my confidence as a customer. This will be the last time I choose to fly with them.

Boarding

8.3

Overall

8.2

Entertainment

8.1

Comfort

8.0

Crew

8.6

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Walter,Aug 2026

DPS - SIN

My experience with Cathay Pacific started badly and only became more frustrating as the trip continued. It began when my original flight, which I had booked in Business Class, was canceled. Because of the cancellation, I was involuntarily downgraded. I understood that disruptions happen and was willing to accept the downgrade, but the way Cathay Pacific handled the situation afterward was extremely disappointing. The biggest issue was the lack of communication between airports. When I arrived at the next airport, the staff apparently had no record or confirmation that Cathay Pacific had downgraded me. As a result, I was forced to wait approximately an hour and a half while they tried to verify what had happened and determine how to handle my reservation. This happened at around 2:00 a.m., after an exhausting travel day that had already stretched to roughly 22 hours because of delays. At that point, I was completely exhausted and simply wanted to get to my destination and rest. Having to spend another 90 minutes resolving an issue that should have already been documented and communicated internally made an already difficult travel experience considerably worse. What was even more disappointing was the refund process. Because I had paid for Business Class but was involuntarily downgraded, I expected the fare difference to be refunded automatically. Instead, I discovered that I had to contact Cathay Pacific myself to request reimbursement. When I called, I was initially told that my situation did not qualify for a refund and that I would only be offered a travel voucher. I found that response unacceptable. I had paid for Business Class transportation that Cathay Pacific ultimately did not provide. A voucher requiring me to spend money with the airline again is not the same as refunding money for a service that was never delivered. After several heated minutes of discussion, Cathay Pacific finally agreed to refund both tickets. The cancellation itself was understandable. Even the involuntary downgrade was something I was prepared to accept given the circumstances. What made this experience unacceptable was the poor communication between airports, the lengthy middle-of-the-night delay caused by Cathay Pacific’s internal handling of the downgrade, and then having to argue simply to receive a refund for the Business Class service I had paid for but did not receive. For an airline that markets itself as a premium international carrier, I expected significantly better communication, customer service, and handling of an involuntary downgrade. Unfortunately, after this experience, Cathay Pacific has lost my confidence as a customer. This will be the last time I choose to fly with them.

Boarding

8.3

Overall

8.2

Entertainment

8.1

Comfort

8.0

Crew

8.6

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Walter,Aug 2026

DPS - SIN

My experience with Cathay Pacific started badly and only became more frustrating as the trip continued. It began when my original flight, which I had booked in Business Class, was canceled. Because of the cancellation, I was involuntarily downgraded. I understood that disruptions happen and was willing to accept the downgrade, but the way Cathay Pacific handled the situation afterward was extremely disappointing. The biggest issue was the lack of communication between airports. When I arrived at the next airport, the staff apparently had no record or confirmation that Cathay Pacific had downgraded me. As a result, I was forced to wait approximately an hour and a half while they tried to verify what had happened and determine how to handle my reservation. This happened at around 2:00 a.m., after an exhausting travel day that had already stretched to roughly 22 hours because of delays. At that point, I was completely exhausted and simply wanted to get to my destination and rest. Having to spend another 90 minutes resolving an issue that should have already been documented and communicated internally made an already difficult travel experience considerably worse. What was even more disappointing was the refund process. Because I had paid for Business Class but was involuntarily downgraded, I expected the fare difference to be refunded automatically. Instead, I discovered that I had to contact Cathay Pacific myself to request reimbursement. When I called, I was initially told that my situation did not qualify for a refund and that I would only be offered a travel voucher. I found that response unacceptable. I had paid for Business Class transportation that Cathay Pacific ultimately did not provide. A voucher requiring me to spend money with the airline again is not the same as refunding money for a service that was never delivered. After several heated minutes of discussion, Cathay Pacific finally agreed to refund both tickets. The cancellation itself was understandable. Even the involuntary downgrade was something I was prepared to accept given the circumstances. What made this experience unacceptable was the poor communication between airports, the lengthy middle-of-the-night delay caused by Cathay Pacific’s internal handling of the downgrade, and then having to argue simply to receive a refund for the Business Class service I had paid for but did not receive. For an airline that markets itself as a premium international carrier, I expected significantly better communication, customer service, and handling of an involuntary downgrade. Unfortunately, after this experience, Cathay Pacific has lost my confidence as a customer. This will be the last time I choose to fly with them.

Boarding

8.3

Overall

8.2

Entertainment

8.1

Comfort

8.0

Crew

8.6

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Walter,Aug 2026

DPS - SIN

My experience with Cathay Pacific started badly and only became more frustrating as the trip continued. It began when my original flight, which I had booked in Business Class, was canceled. Because of the cancellation, I was involuntarily downgraded. I understood that disruptions happen and was willing to accept the downgrade, but the way Cathay Pacific handled the situation afterward was extremely disappointing. The biggest issue was the lack of communication between airports. When I arrived at the next airport, the staff apparently had no record or confirmation that Cathay Pacific had downgraded me. As a result, I was forced to wait approximately an hour and a half while they tried to verify what had happened and determine how to handle my reservation. This happened at around 2:00 a.m., after an exhausting travel day that had already stretched to roughly 22 hours because of delays. At that point, I was completely exhausted and simply wanted to get to my destination and rest. Having to spend another 90 minutes resolving an issue that should have already been documented and communicated internally made an already difficult travel experience considerably worse. What was even more disappointing was the refund process. Because I had paid for Business Class but was involuntarily downgraded, I expected the fare difference to be refunded automatically. Instead, I discovered that I had to contact Cathay Pacific myself to request reimbursement. When I called, I was initially told that my situation did not qualify for a refund and that I would only be offered a travel voucher. I found that response unacceptable. I had paid for Business Class transportation that Cathay Pacific ultimately did not provide. A voucher requiring me to spend money with the airline again is not the same as refunding money for a service that was never delivered. After several heated minutes of discussion, Cathay Pacific finally agreed to refund both tickets. The cancellation itself was understandable. Even the involuntary downgrade was something I was prepared to accept given the circumstances. What made this experience unacceptable was the poor communication between airports, the lengthy middle-of-the-night delay caused by Cathay Pacific’s internal handling of the downgrade, and then having to argue simply to receive a refund for the Business Class service I had paid for but did not receive. For an airline that markets itself as a premium international carrier, I expected significantly better communication, customer service, and handling of an involuntary downgrade. Unfortunately, after this experience, Cathay Pacific has lost my confidence as a customer. This will be the last time I choose to fly with them.

Related info for your journey

  • What airport do you fly from for flights from Adelaide to Heidelberg?

    Adelaide (ADL), located 6.6 km from the city centre, is the airport you fly out of when you book flights from Adelaide to Heidelberg. 6 airlines have flights from Adelaide to Heidelberg on a regular basis. Booking flights from Adelaide to Heidelberg should not be difficult; the airport handles an average of 0 outbound flights to Heidelberg per day.

  • How long is the flight from Adelaide to Heidelberg?

    Qatar Airways can get you from Adelaide to Heidelberg in just under 30h 35m. Your travel time can differ by up to . The distance from Adelaide to Heidelberg is about 15669 km.

  • Can I find deals for flights from Adelaide to Heidelberg that include hotel bookings?

    Yes. In addition to deals on Adelaide to Heidelberg flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Adelaide to Heidelberg?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Adelaide to Heidelberg.

  • Can I find deals for business class flights from Adelaide to Heidelberg?

    Yes. Cheapflights offers flight deals from Adelaide to Heidelberg by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Alternative routes for Adelaide to Heidelberg

Top 6 airlines flying from Adelaide to Heidelberg

AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$1,162Average$1,237FlexibilityNo cancel feeOn-time77%
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Singapore AirlinesCheapest$1,358Average$2,232FlexibilityNo cancel feeOn-time81%
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China EasternCheapest$1,455Average$1,961FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Qatar AirwaysCheapest$1,635Average$1,809FlexibilityNo cancel feeOn-time68%
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EmiratesCheapest$1,702Average$2,142FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Qantas AirwaysCheapest$1,936Average$2,102FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

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