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$601+ Cheap flights from Baltimore (BWI) to Australia

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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SYD
Nov 12 — Nov 191
Wed 11/12
Wed 11/19
1 adult, Economy
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Find flight deals from Baltimore to Australia

Cheapest flights from Baltimore to Australia
Explore the most affordable flight options available from Baltimore to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 13, 2025.

This American Airlines deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/211:50 amBWI - BNE
2 stops26h 10mAmerican Airlines
Mon 11/177:40 pmBNE - BWI
2 stops29h 34mAmerican Airlines
Deal found 10/12$992
This United Airlines deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:35 pmBWI - BNE
1 stop21h 55mUnited Airlines
Mon 11/1711:40 amBNE - BWI
2 stops22h 41mUnited Airlines
Deal found 10/12$1,014
This American Airlines deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/23:17 pmBWI - BNE
1 stop24h 13mAmerican Airlines
Sun 11/99:40 amBNE - BWI
2 stops21h 40mAmerican Airlines
Deal found 10/12$1,022
This Delta deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/27:45 pmBWI - BNE
2 stops45h 35mDelta
Sun 11/1610:40 amBNE - BWI
2 stops28h 46mDelta
Deal found 10/11$1,030
This United Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:35 pmBWI - BNE
1 stop21h 55mUnited Airlines
Tue 11/1811:40 amBNE - BWI
2 stops24h 44mUnited Airlines
Deal found 10/11$1,031
This United Airlines deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/48:30 amBWI - BNE
1 stop32h 00mUnited Airlines
Mon 11/1711:40 amBNE - BWI
1 stop20h 48mUnited Airlines
Deal found 10/12$1,038
This United Airlines deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/28:30 amBWI - BNE
1 stop32h 00mUnited Airlines
Sun 11/1611:40 amBNE - BWI
2 stops22h 41mUnited Airlines
Deal found 10/12$1,042
This United Airlines deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/14:12 pmBWI - BNE
2 stops49h 18mUnited Airlines
Mon 11/1711:40 amBNE - BWI
1 stop20h 48mUnited Airlines
Deal found 10/12$1,058
This United Airlines deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:35 pmBWI - BNE
1 stop21h 55mUnited Airlines
Thu 11/2011:40 amBNE - BWI
1 stop20h 48mUnited Airlines
Deal found 10/12$1,063
This United Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:28 pmBWI - MEL
1 stop23h 32mUnited Airlines
Tue 12/231:00 pmMEL - BWI
2 stops26h 58mUnited Airlines
Deal found 10/11$1,285
This United Airlines deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:55 pmBWI - SYD
1 stop22h 00mUnited Airlines
Mon 10/2710:25 amSYD - BWI
1 stop22h 32mUnited Airlines
Deal found 10/12$1,286
This oojo deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/43:17 pmBWI - SYD
1 stop23h 38mQantas Airways
Tue 12/96:20 amSYD - BWI
2 stops24h 08mQantas Airways
Deal found 10/13$1,289

Cheap flight deals from Baltimore to Australia

Keep the following information in mind while searching for Baltimore to Australia flight deals. Data was last updated October 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$992
(American Airlines)

One-way from

$601
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$1,449
Provider with most accurate pricing for Washington, D.C. (WAS)-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Sydney Kingsford Smith flights.
Search Deals
From Baltimore/Washington to Australia
Search Deals
One-way flight from Baltimore/Washington to Australia
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($374 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($60 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore to Australia 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 2,558,603 searches. Data last updated October 13, 2025.
Use the filters below to find and compare flights from Baltimore to Australia that are best for you.

Fly from

Baltimore

Fly to

Australia

Route

Depart

Return

Price

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sun 11/2

6:35 pm-7:30 am

1 stop21h 55m

Brisbane

Tue 11/18

11:40 am-5:28 pm

1 stop20h 48m

$1,014

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Tue 11/4

7:45 pm-8:20 am

2 stops45h 35m

Brisbane

Wed 11/19

11:05 am-8:44 pm

2 stops24h 39m

$1,014

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Wed 11/5

10:56 am-7:30 am

2 stops29h 34m

Brisbane

Mon 11/17

11:40 am-5:28 pm

1 stop20h 48m

$1,014

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Wed 11/5

12:35 pm-7:30 am

2 stops27h 55m

Brisbane

Tue 11/18

11:40 am-7:21 pm

2 stops22h 41m

$1,014

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Mon 11/3

6:35 pm-7:30 am

1 stop21h 55m

Brisbane

Tue 11/18

11:40 am-10:41 pm

2 stops26h 01m

$1,014

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Tue 11/4

4:12 pm-7:30 am

2 stops24h 18m

Brisbane

Mon 11/17

11:40 am-10:41 pm

2 stops26h 01m

$1,014

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Mon 11/3

6:35 pm-7:30 am

1 stop21h 55m

Brisbane

Mon 11/17

11:40 am-7:21 pm

2 stops22h 41m

$1,014

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sun 11/2

3:17 pm-6:30 am

1 stop24h 13m

Brisbane

Sun 11/9

9:40 am-4:20 pm

2 stops21h 40m

$1,022

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sun 11/2

6:35 pm-7:30 am

1 stop21h 55m

Brisbane

Sun 11/16

11:40 am-11:04 pm

2 stops26h 24m

$1,031

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Wed 11/5

8:15 am-7:30 am

2 stops32h 15m

Brisbane

Sun 11/16

11:40 am-5:28 pm

1 stop20h 48m

$1,031

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/10

Showing 1-10 of 60 results
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Best time to book a flight from Baltimore to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Baltimore with our price prediction graph.
Estimated round-trip 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 Australia

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

Currently, August is the cheapest month in which you can book a flight from Baltimore to Australia (average of $137). Flying from Baltimore to Australia in May is currently the most expensive (average of $827). 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 BWI to AU?

Find hourly flight availability from Baltimore to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 13, 2025.

When flying from Baltimore to Australia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 10% versus a flight in the morning.

What is the cheapest day to fly from Baltimore to Australia?

Use this chart to determine the cheapest time to fly round-trip from Baltimore to Australia. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Baltimore to Australia flight should consider departing on Sunday evenings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated October 13, 2025.
Peruse reviews from past customers who have flown with Delta, Qantas Airways, and United Airlines from Baltimore to Australia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Qantas Airways
7.5
Good
918 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,973 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,044 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Australia. 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 from for flights from Baltimore to Australia?

    If you book a flight to Australia from Baltimore, you will be flying from Baltimore/Washington, which is the city’s only airport. Baltimore/Washington (BWI) is located 8.5 mi from the center of Baltimore.

  • How long is the flight from Baltimore to Australia?

    Airlines like United Airlines, Delta, and Air New Zealand fly from Baltimore to Australia in about 21h 55m. The time it takes to get you to your destination can typically vary by up to 23h 40m. There are 9480 mi between Baltimore and Australia. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Baltimore to Australia one-way?

    One-way options have recently been found by users for as low as $601 on American Airlines. Other airlines that offer cheap prices include United Airlines from $686 and Delta from $701 one-way.

  • What are the most popular routes from Baltimore to Australia?

    The most popular flight routes from Baltimore to Australia are Baltimore/Washington - Sydney Kingsford Smith, Baltimore/Washington - Melbourne and Baltimore/Washington - Brisbane.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Baltimore to Australia (average of $137). Flying from Baltimore to Australia in May is currently the most expensive (average of $827). 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

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Alternative routes for Baltimore to Australia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Baltimore to Australia

Discover the top 4 airlines that operate flights from Baltimore to Australia. 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 2,558,603 searches. Data last updated October 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$276Average$1,436FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$787Average$1,481FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$858Average$1,426FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,068Average$1,649FlexibilityNo cancel feeOn-time69%

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