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$1,441+ Cheap flights from Baltimore (BWI) to Perth (PER)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — PER
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$1,441
(Trip.com)

Popular in

October

Cheapest in

February

Average price

$2,293
From Baltimore/Washington to Perth
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($446 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($73 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:50 amBWI - PER
3 stops51h 00mMultiple Airlines
Wed 11/512:15 amPER - BWI
2 stops56h 04mMultiple Airlines
Deal found 9/14$1,441
This Trip.com deal was found by Cheapflights users on 9/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:27 pmBWI - PER
2 stops44h 48mMultiple Airlines
Fri 11/711:10 pmPER - BWI
2 stops28h 17mMultiple Airlines
Deal found 9/16$1,522
This oojo deal was found by Cheapflights users on 9/16. 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.
Fri 10/311:27 pmBWI - PER
2 stops40h 48mQantas Airways
Fri 11/710:40 pmPER - BWI
2 stops28h 47mQantas Airways
Deal found 9/16$1,531
This oojo deal was found by Cheapflights users on 9/14. 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.
Thu 10/307:03 pmBWI - PER
2 stops57h 47mAir New Zealand
Thu 11/611:50 pmPER - BWI
2 stops42h 50mAir New Zealand
Deal found 9/14$1,657
This oojo deal was found by Cheapflights users on 9/15. 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 10/1511:50 amBWI - PER
2 stops42h 50mQatar Airways
Wed 10/2910:45 pmPER - BWI
2 stops37h 03mQatar Airways
Deal found 9/15$1,859
This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:28 pmBWI - PER
2 stops57h 22mAir New Zealand
Sat 1/1711:50 pmPER - BWI
2 stops44h 42mAir New Zealand
Deal found 9/15$1,957
This Jetabroad deal was found by Cheapflights users on 9/15. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/301:27 pmBWI - PER
2 stops34h 58mQantas Airways
Thu 11/610:40 pmPER - BWI
2 stops28h 50mQantas Airways
Deal found 9/15$1,989

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 September 17, 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

Thu 10/30

7:50 am-10:50 pm

3 stops51h 00m

Perth

Wed 11/5

12:15 am-7:19 pm

2 stops56h 04m

$1,441

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Fri 10/31

1:27 pm-10:15 pm

2 stops44h 48m

Perth

Fri 11/7

11:10 pm-2:27 pm

2 stops28h 17m

$1,522

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Fri 10/31

1:27 pm-6:15 pm

2 stops40h 48m

Perth

Fri 11/7

10:40 pm-2:27 pm

2 stops28h 47m

$1,531

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Wed 10/15

11:50 am-6:40 pm

2 stops42h 50m

Perth

Wed 10/29

10:45 pm-11:48 pm

2 stops37h 03m

$1,859

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sat 12/13

6:28 pm-4:50 pm

2 stops57h 22m

Perth

Sat 1/17

11:50 pm-7:32 am

2 stops44h 42m

$1,957

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 10/30

6:35 pm-12:30 pm

2 stops29h 55m

Perth

Thu 11/6

10:30 pm-5:28 pm

2 stops31h 58m

$2,086

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 11/13

3:17 pm-9:15 pm

2 stops40h 58m

Perth

Mon 11/17

5:00 am-11:02 pm

2 stops31h 02m

$2,331

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Fri 10/3

6:45 am-2:45 pm

2 stops44h 00m

$1,672

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Fri 10/3

11:23 am-6:40 pm

2 stops43h 17m

$1,889

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sun 10/12

1:27 pm-6:00 pm

2 stops40h 33m

$17,127

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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 September 17, 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.

  • How long is the flight from Baltimore to Perth?

    Airlines like Qantas Airways fly from Baltimore to Perth in about 40h 48m. The time it takes to get you to your destination can typically vary by up to . The distance between Baltimore and Perth is about 11562 mi.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $1,672. Qatar Airways flights start at $1,889 while deals on Qantas Airways start at $17,127 one-way.

  • 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 $1,436). Flying from Baltimore to Perth in December is currently the most expensive (average of $2,094). 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

Browse thousands of different options on Cheapflights for your next trip

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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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