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$720+ Cheap flights from Baltimore (BWI) to Adelaide (ADL)

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — ADL
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap flight deals from Baltimore to Adelaide

Cheapest flights from Baltimore to Adelaide
Explore the most affordable flight options available from Baltimore to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This United Airlines deal was found by Cheapflights users on 7/24. 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 9/76:52 pm
BWI
-
ADL
2 stops26h 33m
United Airlines
Mon 9/148:00 pm
ADL
-
BWI
2 stops35h 10m
United Airlines
Deal found 7/24$1,370
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Wed 9/97:00 am
BWI
-
ADL
2 stops37h 35m
United Airlines
Wed 9/166:00 am
ADL
-
BWI
2 stops25h 10m
United Airlines
Deal found 7/26$1,380
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Wed 8/127:00 am
BWI
-
ADL
2 stops37h 35m
United Airlines
Wed 8/196:05 am
ADL
-
BWI
2 stops24h 00m
United Airlines
Deal found 7/27$1,388
This United Airlines deal was found by Cheapflights users on 7/27. 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 8/118:00 am
BWI
-
ADL
2 stops37h 35m
United Airlines
Wed 8/196:05 am
ADL
-
BWI
2 stops24h 00m
United Airlines
Deal found 7/27$1,389
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Thu 10/15:43 pm
BWI
-
ADL
2 stops27h 42m
United Airlines
Wed 10/76:10 am
ADL
-
BWI
2 stops25h 54m
United Airlines
Deal found 7/24$1,416
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Thu 9/107:00 am
BWI
-
ADL
2 stops38h 25m
United Airlines
Mon 9/148:00 pm
ADL
-
BWI
2 stops34h 05m
United Airlines
Deal found 7/26$1,432
This United Airlines deal was found by Cheapflights users on 7/23. 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 9/69:00 am
BWI
-
ADL
2 stops36h 25m
United Airlines
Sun 9/138:00 pm
ADL
-
BWI
2 stops34h 05m
United Airlines
Deal found 7/23$1,446
This Qantas Airways deal was found by Cheapflights users on 7/26. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:31 pm
BWI
-
ADL
2 stops26h 04m
Multiple Airlines
Thu 9/176:00 am
ADL
-
BWI
2 stops26h 11m
Multiple Airlines
Deal found 7/26$1,469

Find flight deals from Baltimore to Adelaide

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Adelaide (ADL). 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 July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,369
(United Airlines)

One-way from

$720
(United Airlines)
Provider with most accurate pricing for Baltimore/Washington-Adelaide flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-Adelaide flights.
Search Deals
From Baltimore/Washington to Adelaide
Search Deals
One-way flight from Baltimore/Washington to Adelaide
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore 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 2,558,603 searches. Data last updated July 27, 2026.
Use the filters below to find and compare flights from Baltimore to Adelaide that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Mon 9/7

6:52 pm-10:55 am

2 stops26h 33m

Adelaide

Mon 9/14

8:00 pm-5:40 pm

2 stops35h 10m

$1,370

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Wed 8/12

7:00 am-10:05 am

2 stops37h 35m

Adelaide

Wed 8/19

6:05 am-4:35 pm

2 stops24h 00m

$1,388

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Tue 8/11

8:00 am-11:05 am

2 stops37h 35m

Adelaide

Wed 8/19

6:05 am-4:35 pm

2 stops24h 00m

$1,389
Quickest round-trip

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Thu 10/1

5:43 pm-10:55 am

2 stops27h 42m

Adelaide

Wed 10/7

6:10 am-5:34 pm

2 stops25h 54m

$1,416

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Thu 9/10

7:00 am-10:55 am

2 stops38h 25m

Adelaide

Mon 9/14

8:00 pm-4:35 pm

2 stops34h 05m

$1,432

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sun 9/6

9:00 am-10:55 am

2 stops36h 25m

Adelaide

Sun 9/13

8:00 pm-4:35 pm

2 stops34h 05m

$1,446
Cheapest one-way

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Mon 8/10

6:59 pm-11:05 am

2 stops26h 36m

$720

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Wed 8/12

7:00 am-10:05 am

2 stops37h 35m

$739

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sun 8/9

6:38 am-1:45 pm

2 stops41h 37m

$739

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Tue 8/11

8:00 am-11:05 am

2 stops37h 35m

$739

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 16 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Baltimore-Adelaide flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Adelaide flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-Adelaide flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Adelaide flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-Adelaide flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Baltimore to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide 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.

Related info for your journey

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

    Airlines like United Airlines fly from Baltimore to Adelaide in about 36h 25m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 10479 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Baltimore 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.

See more FAQs

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