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Cheap flights from Baltimore to Perth from $1,002

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to Perth departing on 12/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Baltimore to Perth

Cheap return flights

Enter your travel dates to find the best prices.
Cathay Pacific Logo
06:01 - 06:50BWI  Baltimore/Washington-PER Perth
36h 49m2 stops Chicago O'Hare Intl Hong Kong Intl
Cathay Pacific Logo
08:20 - 21:56PER  Perth-BWI Baltimore/Washington
49h 36m2 stops Hong Kong Intl Chicago O'Hare Intl
$2,158Cathay Pacific
Thu, 10 Sep - Wed, 16 Sep
Multiple Airlines Logo
11:40 - 06:55BWI  Baltimore/Washington-PER Perth
31h 15m2 stops Chicago O'Hare Intl Hong Kong Intl
Multiple Airlines Logo
00:25 - 22:39PER  Perth-BWI Baltimore/Washington
35h 14m2 stops Hong Kong Intl Dallas/Fort Worth
$2,171Multiple Airlines
Fri, 30 Oct - Mon, 9 Nov
American Airlines Logo
15:57 - 11:15BWI  Baltimore/Washington-PER Perth
31h 18m2 stops Dallas/Fort Worth Melbourne
American Airlines Logo
23:55 - 21:29PER  Perth-BWI Baltimore/Washington
33h 34m2 stops Sydney Kingsford Smith Dallas/Fort Worth
$2,290American Airlines
Mon, 21 Sep - Mon, 28 Sep
Multiple Airlines Logo
06:00 - 06:50BWI  Baltimore/Washington-PER Perth
36h 50m2 stops Chicago O'Hare Intl Hong Kong Intl
Multiple Airlines Logo
00:10 - 21:30PER  Perth-BWI Baltimore/Washington
33h 20m2 stops Hong Kong Intl Chicago O'Hare Intl
$2,314Multiple Airlines
Sat, 26 Sep - Fri, 2 Oct
Cathay Pacific Logo
18:16 - 06:55BWI  Baltimore/Washington-PER Perth
47h 39m2 stops Chicago O'Hare Intl Hong Kong Intl
Cathay Pacific Logo
08:30 - 00:16PER  Perth-BWI Baltimore/Washington
52h 46m2 stops Hong Kong Intl Chicago O'Hare Intl
$2,369Cathay Pacific
Tue, 17 Nov - Tue, 12 Jan
Cathay Pacific Logo
18:16 - 06:55BWI  Baltimore/Washington-PER Perth
47h 39m2 stops Chicago O'Hare Intl Hong Kong Intl
Cathay Pacific Logo
08:30 - 00:16PER  Perth-BWI Baltimore/Washington
52h 46m2 stops Hong Kong Intl Chicago O'Hare Intl
$2,371Cathay Pacific
Tue, 17 Nov - Tue, 12 Jan
Multiple Airlines Logo
11:40 - 06:55BWI  Baltimore/Washington-PER Perth
30h 15m2 stops Chicago O'Hare Intl Hong Kong Intl
Multiple Airlines Logo
00:25 - 22:52PER  Perth-BWI Baltimore/Washington
35h 27m2 stops Hong Kong Intl Dallas/Fort Worth
$2,405Multiple Airlines
Sun, 10 Jan - Sun, 31 Jan
United Airlines Logo
08:00 - 11:20BWI  Baltimore/Washington-PER Perth
62h 20m2 stops San Francisco Sydney Kingsford Smith
United Airlines Logo
23:45 - 21:30PER  Perth-BWI Baltimore/Washington
34h 45m2 stops Melbourne Los Angeles Los Angeles
$2,419United Airlines
Tue, 17 Nov - Tue, 12 Jan
United Airlines Logo
07:00 - 12:30BWI  Baltimore/Washington-PER Perth
41h 30m2 stops Los Angeles Los Angeles Sydney Kingsford Smith
United Airlines Logo
22:40 - 17:40PER  Perth-BWI Baltimore/Washington
31h 00m2 stops Brisbane San Francisco
$2,434United Airlines
Mon, 7 Sep - Mon, 14 Sep
United Airlines Logo
07:00 - 12:30BWI  Baltimore/Washington-PER Perth
41h 30m2 stops Los Angeles Los Angeles Sydney Kingsford Smith
United Airlines Logo
22:40 - 11:45PER  Perth-BWI Baltimore/Washington
49h 05m3 stops Brisbane San Francisco Houston George Bush Intcntl
$2,463United Airlines
Mon, 7 Sep - Mon, 14 Sep

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Cathay Pacific flights from Baltimore to Perth

Our best Cathay Pacific deals on Baltimore to Perth flight tickets
Cathay Pacific
10 Sept
BWI06:01Baltimore/Washington
36h 49m
2 stops
PER06:50Perth
16 Sept
PER08:20Perth
49h 36m
2 stops
BWI21:56Baltimore/Washington
$2,158
Cathay Pacific
17 Nov
BWI18:16Baltimore/Washington
47h 39m
2 stops
PER06:55Perth
12 Jan
PER08:30Perth
52h 46m
2 stops
BWI00:16Baltimore/Washington
$2,369
Cathay Pacific
17 Nov
BWI18:16Baltimore/Washington
47h 39m
2 stops
PER06:55Perth
12 Jan
PER08:30Perth
52h 46m
2 stops
BWI00:16Baltimore/Washington
$2,371

Singapore Airlines flights from Baltimore to Perth

Our best Singapore Airlines deals on Baltimore to Perth flight tickets
Singapore Airlines
17 Nov
BWI08:30Baltimore/Washington
41h 15m
2 stops
PER14:45Perth
12 Jan
PER17:05Perth
41h 25m
3 stops
BWI21:30Baltimore/Washington
$2,565
Singapore Airlines
17 Nov
BWI08:30Baltimore/Washington
41h 15m
2 stops
PER14:45Perth
12 Jan
PER17:05Perth
41h 25m
3 stops
BWI21:30Baltimore/Washington
$2,590
Singapore Airlines
17 Nov
BWI08:30Baltimore/Washington
41h 15m
2 stops
PER14:45Perth
12 Jan
PER17:05Perth
41h 25m
3 stops
BWI21:30Baltimore/Washington
$2,627

momondo Fare Finder

 
Customise 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, momondo users made 78,305 searches. Data last updated 13 August 2026.
Use the filters below to find and compare flights from Baltimore to Perth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BaltimorePerth

BWI Baltimore/Washington - PER Perth

BWIPER

Baltimore/Washington

Thu 10/9

06:01-06:50

2 stops36h 49m

Perth

Wed 16/9

08:20-21:56

2 stops49h 36m

$2,158

BaltimorePerth

BWI Baltimore/Washington - PER Perth

BWIPER

Baltimore/Washington

Fri 30/10

11:40-06:55

2 stops31h 15m

Perth

Mon 9/11

00:25-22:39

2 stops35h 14m

$2,171
Fastest return journey

BaltimorePerth

BWI Baltimore/Washington - PER Perth

BWIPER

Baltimore/Washington

Mon 21/9

15:57-11:15

2 stops31h 18m

Perth

Mon 28/9

23:55-21:29

2 stops33h 34m

$2,290

BaltimorePerth

BWI Baltimore/Washington - PER Perth

BWIPER

Baltimore/Washington

Sat 26/9

06:00-06:50

2 stops36h 50m

Perth

Fri 2/10

00:10-21:30

2 stops33h 20m

$2,314

BaltimorePerth

BWI Baltimore/Washington - PER Perth

BWIPER

Baltimore/Washington

Tue 17/11

18:16-06:55

2 stops47h 39m

Perth

Tue 12/1

08:30-00:16

2 stops52h 46m

$2,369

BaltimorePerth

BWI Baltimore/Washington - PER Perth

BWIPER

Baltimore/Washington

Tue 17/11

18:16-06:55

2 stops47h 39m

Perth

Tue 12/1

08:30-00:16

2 stops52h 46m

$2,371

BaltimorePerth

BWI Baltimore/Washington - PER Perth

BWIPER

Baltimore/Washington

Sun 10/1

11:40-06:55

2 stops30h 15m

Perth

Sun 31/1

00:25-22:52

2 stops35h 27m

$2,405

BaltimorePerth

BWI Baltimore/Washington - PER Perth

BWIPER

Baltimore/Washington

Tue 17/11

08:00-11:20

2 stops62h 20m

Perth

Tue 12/1

23:45-21:30

2 stops34h 45m

$2,419

BaltimorePerth

BWI Baltimore/Washington - PER Perth

BWIPER

Baltimore/Washington

Mon 7/9

07:00-12:30

2 stops41h 30m

Perth

Mon 14/9

22:40-17:40

2 stops31h 00m

$2,434

BaltimorePerth

BWI Baltimore/Washington - PER Perth

BWIPER

Baltimore/Washington

Mon 7/9

07:00-12:30

2 stops41h 30m

Perth

Mon 14/9

22:40-11:45

3 stops49h 05m

$2,463

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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When to book flights from Baltimore to Perth

Are you open to changing your travel dates? Check out the ideal times to fly from Baltimore to Perth according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Baltimore to Perth (BWI to PER) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Baltimore to Perth

Fastest flight time

28h 59m

Direct flights

None
The fastest flight from Baltimore to Perth takes 28h 59m
There are no direct flights from Baltimore to Perth. There are no popular flight routes from Baltimore to Perth.
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Frequently asked questions about flying from Baltimore to Perth

  • How far is Baltimore/Washington to Perth by plane?

    A flight from Baltimore/Washington to Perth will travel around 18612.6 km. 28h 59m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Baltimore/Washington Airport to Perth Airport?

    Prices for flights from Baltimore/Washington Airport to Perth Airport are updated daily.

  • How old do you have to be to fly from Baltimore/Washington Airport to Perth Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Baltimore/Washington Airport to Perth Airport.

  • What documentation or ID do you need to fly to Perth Airport?

    The travel and health documents you'll need for your trip to Perth Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Perth Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Baltimore to Perth

  • How do I get Price Alerts for flights from Baltimore to Perth?

    Price Alerts will notify you by email when the price for flights to Perth from Baltimore decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Baltimore to Perth with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Travelling to a place near Perth?

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

Why use momondo?

Why should I use momondo to find a flight deal from Baltimore to Perth?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Perth from Baltimore.

Can I find flights from Baltimore to Perth with flexible booking policies on momondo?

Flights from Baltimore to Perth with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Baltimore to Perth?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Baltimore to Perth.

I’m not ready to book a flight from Baltimore to Perth right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Baltimore to Perth flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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