Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from the United States to Adelaide from $665

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ADL
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from USA to Adelaide

Enter your travel dates to find the best prices.

Cheapest flights from USA to Adelaide
Explore the most affordable flight options available from USA to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 October 2025.

Thu 30/1023:55LAX - ADL
1 stop18h 50mFiji Airways
Thu 6/1113:15ADL - LAX
1 stop17h 05mFiji Airways
Deal found 29/10$1,355
Wed 26/1122:11IAD - ADL
3 stops48h 24mMultiple Airlines
Wed 3/1219:55ADL - IAD
3 stops55h 20mMultiple Airlines
Deal found 28/10$1,485
Tue 11/1122:50LAX - ADL
1 stop20h 20mQantas Airways
Tue 18/1106:05ADL - LAX
1 stop19h 50mQantas Airways
Deal found 30/10$1,501
Wed 5/1120:50LAX - ADL
1 stop24h 05mQantas Airways
Tue 11/1107:50ADL - LAX
1 stop18h 05mQantas Airways
Deal found 29/10$1,515
Mon 8/1219:05LAX - ADL
1 stop21h 20mAir New Zealand
Mon 9/311:55ADL - LAX
1 stop17h 50mAir New Zealand
Deal found 30/10$1,532
Sun 7/1218:10LAX - ADL
2 stops33h 50mAir Canada
Sun 8/306:10ADL - LAX
2 stops23h 08mAir Canada
Deal found 30/10$1,538
Sun 7/1218:10LAX - ADL
2 stops33h 50mAir Canada
Tue 10/306:00ADL - LAX
2 stops27h 59mAir Canada
Deal found 30/10$1,546
Mon 8/1222:50LAX - ADL
1 stop20h 20mQantas Airways
Mon 9/306:35ADL - LAX
1 stop19h 20mQantas Airways
Deal found 31/10$1,567
Sun 16/1120:50LAX - ADL
1 stop21h 40mQantas Airways
Mon 24/1107:50ADL - LAX
1 stop18h 05mQantas Airways
Deal found 31/10$1,571
Wed 29/1023:50LAX - ADL
1 stop20h 20mAmerican Airlines
Wed 5/1107:50ADL - LAX
1 stop18h 05mAmerican Airlines
Deal found 28/10$1,573
Thu 13/1122:45LAX - ADL
1 stop19h 00mMultiple Airlines
Sun 16/1108:30ADL - LAX
2 stops21h 50mMultiple Airlines
Deal found 30/10$1,596
Tue 11/1122:45LAX - ADL
1 stop19h 00mMultiple Airlines
Tue 18/1119:50ADL - LAX
2 stops34h 30mMultiple Airlines
Deal found 30/10$1,607

Cheap flight deals from USA to Adelaide

Keep the following information in mind while searching for USA to Adelaide flight deals. Data was last updated 31 October 2025.

Round-trip from

$1,360

One-way from

$665

Popular in

December

Cheapest in

May

Average price

$2,423
Air Canada
  • Air Canada
  • 21/2-25/2
  • 6 total stops
  • 93h 36m total
  • USA to Adelaide
Search Deals
United Airlines
  • United Airlines
  • 16/1
  • 2 total stops
  • 45h 43m total
  • USA to Adelaide
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($535 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($155 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from USA to Adelaide that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 31 October 2025.
Use the filters below to find and compare flights from the United States to Adelaide that are best for you.

Fly from

USA

Fly to

Adelaide

Route

Depart

Return

Price

San FranciscoAdelaide

SFO - ADL

SFOADL

San Francisco

Sat 7/2

18:00-16:20

2 stops27h 50m

Adelaide

Sun 15/2

06:10-12:20

2 stops24h 40m

$1,375

Los AngelesAdelaide

LAX - ADL

LAXADL

Los Angeles

Tue 17/2

18:10-16:20

2 stops27h 40m

Adelaide

Wed 18/3

18:55-11:48

2 stops34h 23m

$1,389

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Wed 26/11

22:11-14:05

3 stops48h 24m

Adelaide

Wed 3/12

19:55-11:45

3 stops55h 20m

$1,485

Los AngelesAdelaide

LAX - ADL

LAXADL

Los Angeles

Mon 8/12

22:50-13:40

1 stop20h 20m

Adelaide

Mon 9/3

06:35-08:25

1 stop19h 20m

$1,567

Los AngelesAdelaide

LAX - ADL

LAXADL

Los Angeles

Sun 22/3

23:50-13:40

1 stop20h 20m

Adelaide

Thu 9/4

06:00-07:05

1 stop17h 35m

$1,635

New YorkAdelaide

LGA - ADL

LGAADL

New York LaGuardia

Tue 24/3

15:30-12:35

3 stops30h 35m

Adelaide

Mon 13/4

20:00-19:56

3 stops37h 26m

$1,637

Los AngelesAdelaide

LAX - ADL

LAXADL

Los Angeles

Mon 17/11

22:50-13:40

1 stop20h 20m

Adelaide

Tue 25/11

06:35-07:25

1 stop19h 20m

$1,640

San FranciscoAdelaide

SFO - ADL

SFOADL

San Francisco

Tue 3/3

19:50-10:55

1 stop20h 35m

Adelaide

Tue 24/3

06:35-12:05

2 stops23h 00m

$1,646

New YorkAdelaide

LGA - ADL

LGAADL

New York LaGuardia

Tue 24/3

12:45-13:55

3 stops34h 40m

Adelaide

Mon 13/4

20:00-08:05

3 stops49h 35m

$1,648

New YorkAdelaide

JFK - ADL

JFKADL

New York John F Kennedy Intl

Tue 24/3

09:45-13:55

3 stops37h 40m

Adelaide

Mon 13/4

20:00-22:45

3 stops40h 15m

$1,648

Flights are sorted by cheapest return flights first.

Deals found on 28/10

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from USA to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide from USA with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United States to Adelaide

What is the cheapest month to book a flight from USA to Adelaide?

Currently, February is the cheapest month in which you can book a flight from USA to Adelaide (average of $1,083). Flying from USA to Adelaide in March is currently the most expensive (average of $1,524). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from US to ADL?

Find hourly flight availability from USA to Adelaide. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 October 2025.

A simple way to save on the total cost of your ticket is to fly from USA to Adelaide in the morning. If you’re flexible enough to do this you can expect to save up to 35% on your trip compared to booking a flight in the afternoon.

Reviews of airlines servicing Adelaide

Get insights into the airlines that provide service to Adelaide. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Adelaide. Reviews last updated 31 October 2025.
Get a feel of what it's like to fly with Air New Zealand, Qantas Airways, andAmerican Airlines from the United States to Adelaide by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.0
Very Good
520 reviews
Check prices

Food

7.4

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.
Air New Zealand
8.0
Very Good
520 reviews
Air New Zealand
8.0
Very Good
520 reviews
Check prices

Food

7.4

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.
Qantas Airways
7.5
Good
925 reviews
Air New Zealand
8.0
Very Good
520 reviews
Check prices

Food

7.4

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.
American Airlines
7.2
Good
11,034 reviews
Air New Zealand
8.0
Very Good
520 reviews
Check prices

Food

7.4

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Related info for your journey

Find useful and relevant information for your journey from USA to Adelaide. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Adelaide from United States?

    Located just 6.6 km from the city centre, Adelaide (ADL) is the airport most travelers will use when flying to Adelaide from United States.

  • How long is the flight from USA to Adelaide?

    A quick flight from USA to Adelaide can take about 20h 20m. Air Canada provides one of the quickest options available for as low as $1,567. Airlines will cover a distance of 13140 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from USA to Adelaide one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $665. However, be on the lookout for offers from Qantas Airways and Fiji Airways, as they are both options that can get you from USA to Adelaide for a low price.

  • What are the most popular routes from USA to Adelaide?

    While some choose either Los Angeles - Adelaide or Newark - Adelaide, San Francisco - Adelaide is the most popular route from USA to Adelaide.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from USA to Adelaide?

    Currently, February is the cheapest month in which you can book a flight from USA to Adelaide (average of $1,083). Flying from USA to Adelaide in March is currently the most expensive (average of $1,524). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Adelaide?

Book flights to Adelaide if you plan to visit one of these locations
Glenelg

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from USA to Adelaide

Discover the top airline that operate flights from USA to Adelaide. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 31 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,556Average$1,920FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from USA to Adelaide?

Deals for USA to Adelaide flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from USA to Adelaide?

Cheapflights helps you find that perfect flight to Adelaide from USA by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from USA to Adelaide with no change fees?

Certainly. Search results for flights to Adelaide from USA shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from USA to Adelaide become cheaper?

Not ready to book yet? You can track prices for flights from USA to Adelaide on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.