Cheap Flights from Baltimore (BWI) to Sydney (SYD)

View AU$1,397 flight on Wed, 13 Aug. 2025Opens in a new window

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Cheap Flights from Baltimore (BWI) to Sydney (SYD)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed., 24 Sep. - Wed., 1 Oct.
BWI
Baltimore
SYD
Sydney
AU$2,267 Return, found 3 days ago
AU$2,267
Return
found 3 days ago
Select United flight, departing Wed., 24 Sep. from Baltimore to Sydney, returning Wed., 1 Oct., priced at AU$2,267 found 3 days ago
United
Sun., 16 Nov. - Sat., 7 Feb.
BWI
Baltimore
SYD
Sydney
AU$2,278 Return, found 2 days ago
AU$2,278
Return
found 2 days ago
Select United flight, departing Sun., 16 Nov. from Baltimore to Sydney, returning Sat., 7 Feb., priced at AU$2,278 found 2 days ago
American Airlines
Wed., 24 Sep. - Wed., 1 Oct.
BWI
Baltimore
SYD
Sydney
AU$2,416 Return, found 3 days ago
AU$2,416
Return
found 3 days ago
Select American Airlines flight, departing Wed., 24 Sep. from Baltimore to Sydney, returning Wed., 1 Oct., priced at AU$2,416 found 3 days ago
American Airlines
Mon., 2 Jun. - Wed., 2 Jul.
BWI
Baltimore
SYD
Sydney
AU$2,429 Return, found 1 day ago
AU$2,429
Return
found 1 day ago
Select American Airlines flight, departing Mon., 2 Jun. from Baltimore to Sydney, returning Wed., 2 Jul., priced at AU$2,429 found 1 day ago
United
Wed., 24 Sep. - Wed., 1 Oct.
BWI
Baltimore
SYD
Sydney
AU$2,440 Return, found 3 days ago
AU$2,440
Return
found 3 days ago
Select United flight, departing Wed., 24 Sep. from Baltimore to Sydney, returning Wed., 1 Oct., priced at AU$2,440 found 3 days ago
United
Mon., 2 Jun. - Wed., 2 Jul.
BWI
Baltimore
SYD
Sydney
AU$2,453 Return, found 1 day ago
AU$2,453
Return
found 1 day ago
Select United flight, departing Mon., 2 Jun. from Baltimore to Sydney, returning Wed., 2 Jul., priced at AU$2,453 found 1 day ago
Delta
Wed., 24 Sep. - Wed., 1 Oct.
BWI
Baltimore
SYD
Sydney
AU$2,454 Return, found 3 days ago
AU$2,454
Return
found 3 days ago
Select Delta flight, departing Wed., 24 Sep. from Baltimore to Sydney, returning Wed., 1 Oct., priced at AU$2,454 found 3 days ago
Delta
Mon., 2 Jun. - Wed., 2 Jul.
BWI
Baltimore
SYD
Sydney
AU$2,467 Return, found 1 day ago
AU$2,467
Return
found 1 day ago
Select Delta flight, departing Mon., 2 Jun. from Baltimore to Sydney, returning Wed., 2 Jul., priced at AU$2,467 found 1 day ago
Qantas Airways
Wed., 24 Sep. - Wed., 1 Oct.
BWI
Baltimore
SYD
Sydney
AU$2,575 Return, found 3 days ago
AU$2,575
Return
found 3 days ago
Select Qantas Airways flight, departing Wed., 24 Sep. from Baltimore to Sydney, returning Wed., 1 Oct., priced at AU$2,575 found 3 days ago
Air New Zealand
Mon., 2 Jun. - Wed., 2 Jul.
BWI
Baltimore
SYD
Sydney
AU$2,615 Return, found 1 day ago
AU$2,615
Return
found 1 day ago
Select Air New Zealand flight, departing Mon., 2 Jun. from Baltimore to Sydney, returning Wed., 2 Jul., priced at AU$2,615 found 1 day ago
Flight from Baltimore to Sydney route information
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Kingsford Smith Intl.
Airlines serving
Air New Zealand, All Nippon Airways, American Airlines, British Airways, Cathay Pacific, Delta, Korean Air, Qantas Airways, Qatar Airways, United
Return price
AU$2,267
Distance
15660 km

Your quick guide to flights from Baltimore to Sydney

Pick up great flights from Baltimore to Sydney

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Baltimore to Sydney. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Baltimore to Sydney that take around hours.

Find cheap flights from Baltimore to Sydney

From the great flight deals with prices currently ranging from AU$2,267 to AU$2,615, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Baltimore to Sydney around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Sydney is normally in September.

Reasons to book your flight from Baltimore to Sydney with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Baltimore to Sydney across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Sydney right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from BWI to Kingsford Smith Intl. Airport (SYD)?
Pack your bags, because round-trip journeys from BWI Airport to Mascot Airport start from AU$2,267. That’s based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book now to get the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BWI Marshall to Kingsford Smith Intl. Airport (SYD)?
The majority of flights can be conveniently cancelled online, but whether you incur a fee differs between airlines. If you do need to cancel your break, follow the instructions in the Customer Service Portal.
How do I find cheap flights from BWI Marshall to Mascot Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for BWI Marshall to Kingsford Smith Intl. Airport (SYD) flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to SYD?
The distance is around 15 800 kilometres, so fill your carry-on luggage with all you need to make the long journey comfortable. Wondering what to take on board your Baltimore to Sydney flight? Earplugs, a sleep mask and a neck pillow are among the essentials.
Which airlines fly direct from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Mascot Airport?
At the moment, no airlines offer flights directly from BWI Marshall to SYD. You’ll have to book a flight with one or more stops. To score the best price and connections, lock in your airfare ahead of time.
Are Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Sydney Airport flight tickets cheaper when they're purchased at the last minute?
Fares from BWI to Kingsford Smith Intl. Airport (SYD) are available up to 12 months prior to departure on Expedia. And although you may occasionally nab a fantastic last-minute deal, it’s not something you should bank on. Also, booking your flights ahead of time means you’ll have more choices — and you can avoid getting caught in the dreaded middle seat! We’re always updating our fares to bring you the best bargains, so check back often for all the latest specials.
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