HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Perth

$1,546+ 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — PER
Jan 1 — Jan 81
Thu 1/1
Thu 1/8
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Baltimore to Perth with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 December 2, 2025.

This Qantas Airways deal was found by Cheapflights users on 11/30. 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.
Tue 12/23:07 pmBWI - PER
2 stops32h 18mQantas Airways
Tue 12/97:15 amPER - BWI
2 stops27h 02mQantas Airways
Deal found 11/30$1,833
This Qantas Airways deal was found by Cheapflights users on 11/30. 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.
Tue 12/233:14 pmBWI - PER
2 stops41h 01mQantas Airways
Wed 1/75:45 pmPER - BWI
2 stops34h 04mQantas Airways
Deal found 11/30$2,154
This Qantas Airways deal was found by Cheapflights users on 11/30. 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.
Wed 12/243:14 pmBWI - PER
2 stops37h 06mQantas Airways
Wed 1/75:45 pmPER - BWI
2 stops34h 04mQantas Airways
Deal found 11/30$2,291
This Qantas Airways deal was found by Cheapflights users on 11/30. 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.
Sun 12/213:14 pmBWI - PER
2 stops38h 01mQantas Airways
Wed 1/75:00 pmPER - BWI
2 stops34h 49mQantas Airways
Deal found 11/30$2,422
This Qantas Airways deal was found by Cheapflights users on 11/30. 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 12/183:14 pmBWI - PER
2 stops38h 01mQantas Airways
Wed 1/710:40 pmPER - BWI
2 stops29h 09mQantas Airways
Deal found 11/30$2,656
This oojo deal was found by Cheapflights users on 11/30. 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 12/253:14 pmBWI - PER
2 stops36h 31mQantas Airways
Thu 1/85:45 pmPER - BWI
2 stops34h 04mQantas Airways
Deal found 11/30$2,895
This KAYAK deal was found by Cheapflights users on 11/30. 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.
Tue 12/238:00 amBWI - PER
2 stops43h 50mAir New Zealand
Sat 1/1010:55 pmPER - BWI
2 stops31h 31mAir New Zealand
Deal found 11/30$3,199
This oojo deal was found by Cheapflights users on 11/30. 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.
Mon 12/223:14 pmBWI - PER
2 stops41h 01mQantas Airways
Wed 12/315:45 pmPER - BWI
2 stops33h 36mQantas Airways
Deal found 11/30$3,203
This KAYAK deal was found by Cheapflights users on 11/30. 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.
Tue 12/238:00 amBWI - PER
2 stops43h 50mAir New Zealand
Thu 1/810:55 pmPER - BWI
2 stops31h 31mAir New Zealand
Deal found 11/30$3,247
This FlightHub deal was found by Cheapflights users on 11/30. 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.
Tue 12/233:14 pmBWI - PER
2 stops31h 51mQantas Airways
Wed 12/315:00 amPER - BWI
2 stops31h 02mQantas Airways
Deal found 11/30$3,333
This KAYAK deal was found by Cheapflights users on 11/30. 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.
Wed 12/246:00 amBWI - PER
2 stops45h 50mAir New Zealand
Sat 1/1010:55 pmPER - BWI
2 stops31h 31mAir New Zealand
Deal found 11/30$3,366

Find 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 December 2, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,546
(oojo)

Popular in

December

Cheapest in

March

Average price

$2,425
Provider with most accurate pricing for Baltimore/Washington-Perth flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-Perth flights.
Search Deals
From Baltimore/Washington to Perth
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($122 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($54 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 2, 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

Sat 3/7

6:00 pm-4:50 pm

2 stops57h 50m

Perth

Sat 3/14

6:50 pm-5:05 am

2 stops46h 15m

$1,546

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 1/29

3:41 pm-12:25 pm

2 stops31h 44m

Perth

Wed 2/25

7:10 am-10:57 pm

2 stops28h 47m

$1,595

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sun 3/1

3:21 pm-12:25 pm

2 stops32h 04m

Perth

Tue 4/7

11:55 pm-6:15 pm

2 stops30h 20m

$1,596

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sun 3/1

3:21 pm-12:25 pm

2 stops32h 04m

Perth

Tue 4/7

11:55 pm-6:15 pm

2 stops30h 20m

$1,615

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 1/15

3:41 pm-6:00 pm

2 stops37h 19m

Perth

Thu 1/22

7:15 am-11:18 pm

2 stops29h 03m

$1,632

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Tue 2/3

3:41 pm-12:25 pm

2 stops31h 44m

Perth

Tue 6/23

11:55 pm-6:24 pm

2 stops30h 29m

$1,666

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sun 2/15

3:21 pm-11:50 pm

2 stops43h 29m

Perth

Thu 2/19

5:45 pm-2:29 pm

2 stops33h 44m

$1,802

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Wed 3/4

3:22 pm-12:05 pm

2 stops31h 43m

$1,763

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Wed 3/4

6:00 am-11:55 pm

3 stops52h 55m

$3,529

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/30

Compare providers for flights from Baltimore to Perth

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Perth in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Baltimore-Perth flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Baltimore-Perth flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Baltimore-Perth flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Perth flights, Cheapflights users trust eDreams the most. eDreams 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-Perth 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 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 December 2, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 20% 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 Air New Zealand and Qantas Airways fly from Baltimore to Perth in about 31h 44m. The time it takes to get you to your destination can typically vary by up to 26h 06m. The distance between Baltimore and Perth is about 11562 mi. This flight may include one or multiple stops.

  • 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.

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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Baltimore to Perth

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

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.