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Cheap flights from Baltimore to Perth from $1,085

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 25/10. 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.
American Airlines Logo
11:55 - 12:35BWI  Baltimore/Washington-PER Perth
36h 40m2 stops Dallas/Fort Worth Sydney Kingsford Smith
American Airlines Logo
22:35 - 22:54PER  Perth-BWI Baltimore/Washington
36h 19m2 stops Brisbane Dallas/Fort Worth
$2,308American Airlines
Mon, 19 Oct - Mon, 26 Oct
United Airlines Logo
07:00 - 14:40BWI  Baltimore/Washington-PER Perth
43h 40m2 stops Los Angeles Los Angeles Melbourne
United Airlines Logo
15:30 - 17:40PER  Perth-BWI Baltimore/Washington
38h 10m2 stops Sydney Kingsford Smith San Francisco
$2,342United Airlines
Wed, 19 Aug - Tue, 1 Sep
United Airlines Logo
07:00 - 14:40BWI  Baltimore/Washington-PER Perth
43h 40m2 stops Los Angeles Los Angeles Melbourne
United Airlines Logo
15:30 - 11:45PER  Perth-BWI Baltimore/Washington
56h 15m3 stops Sydney Kingsford Smith San Francisco Houston George Bush Intcntl
$2,370United Airlines
Wed, 19 Aug - Tue, 1 Sep
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
$2,424United Airlines
Tue, 17 Nov - Tue, 12 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
$2,494United Airlines
Tue, 17 Nov - Tue, 12 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
$2,495United Airlines
Tue, 17 Nov - Tue, 12 Jan
United Airlines Logo
17:44 - 12:30BWI  Baltimore/Washington-PER Perth
30h 46m2 stops Los Angeles Los Angeles Sydney Kingsford Smith
United Airlines Logo
23:55 - 17:39PER  Perth-BWI Baltimore/Washington
29h 44m2 stops Sydney Kingsford Smith San Francisco
$2,497United Airlines
Sun, 20 Sep - Sun, 27 Sep
Multiple Airlines Logo
08:30 - 16:10BWI  Baltimore/Washington-PER Perth
42h 40m2 stops Los Angeles Los Angeles Melbourne
Multiple Airlines Logo
22:30 - 05:43PER  Perth-BWI Baltimore/Washington
44h 13m2 stops Brisbane San Francisco
$2,502Multiple Airlines
Mon, 23 Nov - Sun, 29 Nov
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
$2,508United Airlines
Tue, 1 Sep - Mon, 7 Sep
United Airlines Logo
08:00 - 12:25BWI  Baltimore/Washington-PER Perth
40h 25m2 stops San Francisco Melbourne
United Airlines Logo
23:45 - 16:37PER  Perth-BWI Baltimore/Washington
28h 52m2 stops Melbourne Los Angeles Los Angeles
$2,514United Airlines
Tue, 22 Sep - Tue, 29 Sep

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United Airlines flights from Baltimore to Perth

Our best United Airlines deals on Baltimore to Perth flight tickets
United Airlines
10 Aug
BWI18:59Baltimore/Washington
29h 31m
2 stops
PER12:30Perth
25 Aug
PER15:30Perth
37h 05m
2 stops
BWI16:35Baltimore/Washington
$2,326
United Airlines
19 Aug
BWI07:00Baltimore/Washington
43h 40m
2 stops
PER14:40Perth
1 Sept
PER15:30Perth
38h 10m
2 stops
BWI17:40Baltimore/Washington
$2,342
United Airlines
11 Aug
BWI07:00Baltimore/Washington
41h 30m
2 stops
PER12:30Perth
25 Aug
PER15:30Perth
37h 05m
2 stops
BWI16:35Baltimore/Washington
$2,345

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
$2,559
Singapore Airlines
17 Nov
BWI08:30Baltimore/Washington
41h 15m
2 stops
PER14:45Perth
12 Jan
PER13:50Perth
44h 40m
3 stops
BWI21:30Baltimore/Washington
$2,631
Singapore Airlines
17 Nov
BWI08:30Baltimore/Washington
41h 15m
2 stops
PER14:45Perth
12 Jan
PER17:05Perth
41h 25m
3 stops
BWI21:30Baltimore/Washington
$2,633

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 8 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

Mon 19/10

11:55-12:35

2 stops36h 40m

Perth

Mon 26/10

22:35-22:54

2 stops36h 19m

$2,308

BaltimorePerth

BWI Baltimore/Washington - PER Perth

BWIPER

Baltimore/Washington

Wed 19/8

07:00-14:40

2 stops43h 40m

Perth

Tue 1/9

15:30-17:40

2 stops38h 10m

$2,342

BaltimorePerth

BWI Baltimore/Washington - PER Perth

BWIPER

Baltimore/Washington

Wed 19/8

07:00-14:40

2 stops43h 40m

Perth

Tue 1/9

15:30-11:45

3 stops56h 15m

$2,370

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

$2,424

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

$2,494

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

$2,495
Fastest return journey

BaltimorePerth

BWI Baltimore/Washington - PER Perth

BWIPER

Baltimore/Washington

Sun 20/9

17:44-12:30

2 stops30h 46m

Perth

Sun 27/9

23:55-17:39

2 stops29h 44m

$2,497

BaltimorePerth

BWI Baltimore/Washington - PER Perth

BWIPER

Baltimore/Washington

Mon 23/11

08:30-16:10

2 stops42h 40m

Perth

Sun 29/11

22:30-05:43

2 stops44h 13m

$2,502

BaltimorePerth

BWI Baltimore/Washington - PER Perth

BWIPER

Baltimore/Washington

Tue 1/9

07:00-12:30

2 stops41h 30m

Perth

Mon 7/9

22:40-17:40

2 stops31h 00m

$2,508

BaltimorePerth

BWI Baltimore/Washington - PER Perth

BWIPER

Baltimore/Washington

Tue 22/9

08:00-12:25

2 stops40h 25m

Perth

Tue 29/9

23:45-16:37

2 stops28h 52m

$2,514

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Perth from

How to get the cheapest flight ticket from Baltimore to Perth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Baltimore/Washington to Perth?

Qantas Airways is the most popular carrier operating from Baltimore/Washington to Perth

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.
Search flight deals

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.

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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