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Cheap flights from Baltimore to Sydney from $879

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SYD
14 Jul — 21 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Baltimore to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Baltimore to Sydney
Explore the most affordable flight options available from Baltimore to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 June 2026.

Tue 13/1015:04
BWI
-
SYD
2 stops50h 16m
Air New Zealand
Wed 21/1010:20
SYD
-
BWI
2 stops24h 20m
Air New Zealand
Deal found 13/6$1,753
Tue 6/1008:37
BWI
-
SYD
2 stops32h 43m
Air New Zealand
Sat 17/1010:20
SYD
-
BWI
2 stops28h 24m
Air New Zealand
Deal found 10/6$1,792
Mon 31/818:52
BWI
-
SYD
1 stop22h 03m
Air New Zealand
Mon 14/909:30
SYD
-
BWI
1 stop21h 05m
Air New Zealand
Deal found 13/6$1,877
Wed 29/719:23
BWI
-
SYD
1 stop21h 37m
Air New Zealand
Wed 5/809:30
SYD
-
BWI
1 stop22h 13m
Air New Zealand
Deal found 13/6$1,878
Sun 9/819:23
BWI
-
SYD
1 stop21h 37m
Air New Zealand
Sun 23/809:30
SYD
-
BWI
1 stop21h 05m
Air New Zealand
Deal found 13/6$1,881
Mon 22/619:21
BWI
-
SYD
1 stop21h 39m
Air New Zealand
Mon 27/710:20
SYD
-
BWI
1 stop21h 37m
Air New Zealand
Deal found 10/6$1,884
Mon 27/718:59
BWI
-
SYD
1 stop21h 56m
Air New Zealand
Mon 3/809:30
SYD
-
BWI
1 stop22h 13m
Air New Zealand
Deal found 12/6$1,885
Sun 9/815:03
BWI
-
SYD
1 stop25h 57m
Air New Zealand
Sun 16/809:30
SYD
-
BWI
1 stop21h 05m
Air New Zealand
Deal found 10/6$1,887
Tue 4/807:00
BWI
-
SYD
1 stop34h 00m
Air New Zealand
Sun 27/909:30
SYD
-
BWI
1 stop21h 07m
Air New Zealand
Deal found 13/6$1,895
Sun 26/707:00
BWI
-
SYD
1 stop34h 00m
Air New Zealand
Sun 23/810:20
SYD
-
BWI
1 stop21h 26m
Air New Zealand
Deal found 13/6$1,897

Find flight deals from Baltimore to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 14 June 2026.

Round-trip from

$1,753

One-way from

$879

Popular in

December

Cheapest in

September

Average price

$1,943
Air New Zealand
  • Air New Zealand
  • 13/10-21/10
  • 4 total stops
  • 74h 36m total
  • Baltimore to Sydney
Search Deals
15/9
  • 15/9
  • 3 total stops
  • 42h 47m total
  • Baltimore to Sydney
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($237 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($76 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Baltimore to Sydney 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 14 June 2026.
Use the filters below to find and compare flights from Baltimore to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 26/7

19:23-07:00

1 stop21h 37m

Sydney Kingsford Smith

Sun 16/8

10:20-11:45

2 stops39h 25m

$1,928

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Thu 27/8

17:44-07:00

1 stop23h 16m

Sydney Kingsford Smith

Sun 27/9

10:20-11:56

2 stops39h 36m

$1,997

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 26/7

10:29-06:50

2 stops30h 21m

Sydney Kingsford Smith

Sun 23/8

09:15-23:18

2 stops28h 03m

$2,038
Fastest return journey

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Fri 24/7

18:59-07:00

1 stop22h 01m

Sydney Kingsford Smith

Fri 31/7

10:20-17:57

1 stop21h 37m

$2,043

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 4/11

10:00-09:15

2 stops31h 15m

Sydney Kingsford Smith

Tue 17/11

11:50-16:25

1 stop20h 35m

$2,074

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 28/10

16:10-08:05

2 stops24h 55m

Sydney Kingsford Smith

Sun 8/11

12:10-19:20

2 stops23h 10m

$2,075

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sat 24/10

15:04-07:00

1 stop24h 56m

Sydney Kingsford Smith

Tue 10/11

11:20-17:36

1 stop22h 16m

$2,139

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 28/10

18:31-09:15

1 stop23h 44m

Sydney Kingsford Smith

Sat 7/11

11:20-17:36

1 stop22h 16m

$2,139

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sat 17/10

17:43-07:55

2 stops47h 12m

Sydney Kingsford Smith

Sat 31/10

10:20-17:36

1 stop22h 16m

$2,173

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 14/7

06:38-06:55

1 stop34h 17m

Sydney Kingsford Smith

Sun 26/7

09:30-07:17

1 stop35h 47m

$2,182

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Baltimore to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Baltimore 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 Baltimore to Sydney

How far ahead should I book a flight from Baltimore to Sydney?

Booking 64 days in advance of your planned departure date is, on average, the best time to get cheap flights from Baltimore to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Baltimore to Sydney?

Currently, September is the cheapest month in which you can book a flight from Baltimore to Sydney (average of $1,241). Flying from Baltimore to Sydney in December is currently the most expensive (average of $2,573). 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.

How much does it cost for a return flight from Baltimore to Sydney?

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated 14 June 2026.
Get a feel of what it's like to fly with United Airlines from Baltimore to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,818 reviews
Check prices

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,818 reviews
United Airlines
7.4
Good
9,818 reviews
Check prices

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Related info for your journey

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

  • How long is the flight from Baltimore to Sydney?

    Airlines like United Airlines fly from Baltimore to Sydney in about 25h 57m. The time it takes to get you to your destination can typically vary by up to . The distance from Baltimore to Sydney is about 15741 km.

  • What is the cheapest airline to fly from Baltimore to Sydney round-trip?

    Cheapflights users have booked flights from Baltimore to Sydney round-trip from $1,643. United Airlines is 17% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Baltimore to Sydney that include hotel bookings?

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

  • How can I find direct flights from Baltimore to Sydney?

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

  • Can I find deals for business class flights from Baltimore to Sydney?

    Yes. Cheapflights offers flight deals from Baltimore to Sydney 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 Baltimore to Sydney?

    Currently, September is the cheapest month in which you can book a flight from Baltimore to Sydney (average of $1,241). Flying from Baltimore to Sydney in December is currently the most expensive (average of $2,573). 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 Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Penrith
Katoomba
Cronulla
Manly
Terrigal
Lithgow
Randwick
Bondi Beach
Leura
Coogee

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Baltimore to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Sydney flights
Reagan-National to Sydney flights
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Dulles Intl to Coolangatta flights

Top airline flying from Baltimore to Sydney

Discover the top airline that operate flights from Baltimore to Sydney. 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 14 June 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,643Average$2,057FlexibilityNo cancel feeOn-time69%
Search United Airlines 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 Baltimore to Sydney?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Baltimore to Sydney. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Baltimore to Sydney?

Cheapflights helps you find that perfect flight to Sydney from Baltimore 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 Baltimore to Sydney with no change fees?

Need flexible booking options for your flight to Sydney from Baltimore? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Baltimore to Sydney become cheaper?

Yes! Start tracking prices for Baltimore to Sydney flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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