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Perth

$811+ Cheap flights from Baltimore (BWI) to Perth (PER)

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — PER
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Baltimore to Perth

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Perth (PER). 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 August 14, 2025.

Round-trip from

$1,512
(oojo)

One-way from

$811
(Kiwi.com)

Popular in

October

Cheapest in

February

Average price

$1,212
From Baltimore/Washington to Perth
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One-way flight from Baltimore/Washington to Perth
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Highest demand for flights based on searches. 18% potential increase in price ($390 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($74 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Baltimore to Perth

Cheapest flights from Baltimore to Perth
Explore the most affordable flight options available from Baltimore to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This oojo deal was found by Cheapflights users on 8/13. 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.
Wed 11/57:07 amBWI - PER
2 stops44h 43mAir New Zealand
Sun 11/166:50 pmPER - BWI
2 stops50h 06mAir New Zealand
Deal found 8/13$1,512
This Priceline deal was found by Cheapflights users on 8/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/11:27 pmBWI - PER
2 stops39h 18mQantas Airways
Fri 11/1410:40 pmPER - BWI
2 stops28h 50mQantas Airways
Deal found 8/13$1,537
This oojo deal was found by Cheapflights users on 8/14. 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.
Sat 10/187:28 pmBWI - PER
2 stops56h 32mAir New Zealand
Fri 10/316:50 pmPER - BWI
2 stops49h 06mAir New Zealand
Deal found 8/14$1,560
This oojo deal was found by Cheapflights users on 8/13. 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.
Sat 11/17:07 amBWI - PER
2 stops43h 38mMultiple Airlines
Thu 11/131:10 amPER - BWI
2 stops42h 08mMultiple Airlines
Deal found 8/13$1,604
This oojo deal was found by Cheapflights users on 8/13. 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.
Sat 11/16:16 pmBWI - PER
2 stops58h 34mAir New Zealand
Fri 11/146:50 pmPER - BWI
2 stops50h 06mAir New Zealand
Deal found 8/13$1,605
This Booking.com deal was found by Cheapflights users on 8/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/285:45 amBWI - PER
3 stops38h 00mMultiple Airlines
Sun 10/511:35 pmPER - BWI
3 stops43h 00mMultiple Airlines
Deal found 8/14$1,628
This oojo deal was found by Cheapflights users on 8/13. 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.
Wed 11/57:07 amBWI - PER
2 stops40h 28mMultiple Airlines
Sat 11/151:10 amPER - BWI
2 stops42h 08mMultiple Airlines
Deal found 8/13$1,648
This Mytrip deal was found by Cheapflights users on 8/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/276:10 amBWI - PER
3 stops44h 55mMultiple Airlines
Sat 10/48:30 pmPER - BWI
3 stops46h 05mMultiple Airlines
Deal found 8/13$1,784
This KAYAK deal was found by Cheapflights users on 8/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/203:23 pmBWI - PER
2 stops31h 42mQantas Airways
Sun 11/3010:45 pmPER - BWI
2 stops37h 09mQantas Airways
Deal found 8/14$1,827
This American Airlines deal was found by Cheapflights users on 8/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/133:23 pmBWI - PER
2 stops31h 42mAmerican Airlines
Mon 11/1710:40 pmPER - BWI
2 stops28h 50mAmerican Airlines
Deal found 8/13$1,918

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore to Perth 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 August 14, 2025.
Use the filters below to find and compare flights from Baltimore to Perth that are best for you.

Fly from

Baltimore

Fly to

Perth

Route

Depart

Return

Price

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Wed 11/5

7:07 am-4:50 pm

2 stops44h 43m

Perth

Sun 11/16

6:50 pm-7:56 am

2 stops50h 06m

$1,512

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sun 11/2

3:23 pm-9:15 pm

2 stops40h 52m

Perth

Sun 11/16

10:40 pm-2:30 pm

2 stops28h 50m

$1,532

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Tue 2/10

3:22 pm-6:15 pm

2 stops37h 53m

Perth

Tue 2/24

5:45 pm-1:58 pm

2 stops33h 13m

$1,532

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sat 11/1

1:27 pm-4:45 pm

2 stops39h 18m

Perth

Fri 11/14

10:40 pm-2:30 pm

2 stops28h 50m

$1,537

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sun 2/8

3:22 pm-9:15 pm

2 stops40h 53m

Perth

Sun 3/15

5:45 pm-6:11 pm

2 stops36h 26m

$1,545

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sat 10/18

7:28 pm-4:00 pm

2 stops56h 32m

Perth

Fri 10/31

6:50 pm-7:56 am

2 stops49h 06m

$1,560

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sat 11/1

7:07 am-2:45 pm

2 stops43h 38m

Perth

Thu 11/13

1:10 am-6:18 am

2 stops42h 08m

$1,604

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sat 11/1

6:16 pm-4:50 pm

2 stops58h 34m

Perth

Fri 11/14

6:50 pm-7:56 am

2 stops50h 06m

$1,605

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sun 9/28

5:45 am-7:45 am

3 stops38h 00m

Perth

Sun 10/5

11:35 pm-6:35 am

3 stops43h 00m

$1,637

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Wed 11/5

7:07 am-12:35 pm

2 stops40h 28m

Perth

Sat 11/15

1:10 am-6:18 am

2 stops42h 08m

$1,648

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 16 results
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Best time to book a flight from Baltimore to Perth

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

What is the cheapest time of day to fly from BWI to PER?

Find hourly flight availability from Baltimore to Perth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 21% on flights from Baltimore to Perth by exploring options for tickets in the morning.

Related info for your journey

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

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Baltimore to Perth (average of $1,459). Flying from Baltimore to Perth in December is currently the most expensive (average of $2,172). 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

Traveling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Fremantle
Rottnest Island
Scarborough

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Alternative routes for Baltimore to Perth

See prices for flight routes from nearby airports that may be better suited for you.
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