What is the cheapest airline that flies from Baltimore/Washington to Sydney Kingsford Smith?

United Airlines and Delta are the most popular carriers operating from Baltimore/Washington to Sydney Kingsford Smith

When did momondo last update prices for flights from Baltimore/Washington Airport to Sydney Kingsford Smith Airport?

Prices for flights from Baltimore/Washington Airport to Sydney Kingsford Smith Airport are updated daily.

How old do you have to be to fly from Baltimore/Washington Airport to Sydney Kingsford Smith 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 Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$804 Cheap Flights from Baltimore to Sydney in 2026

Find the cheapest flights from Baltimore to Sydney

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

09:27 - 11:50BWI Baltimore/Washington-SYD Sydney Kingsford Smith

36h 23m3 stops Orlando Los Angeles Los Angeles Nadi

13:15 - 14:11SYD Sydney Kingsford Smith-BWI Baltimore/Washington

38h 56m3 stops Nadi Los Angeles Los Angeles Orlando

$1,495Multiple Airlines

Fri, 25 Sep - Fri, 2 Oct

17:44 - 07:00BWI Baltimore/Washington-SYD Sydney Kingsford Smith

23h 16m1 stop Los Angeles Los Angeles

11:20 - 17:34SYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 14m1 stop San Francisco

$1,753United Airlines

Sun, 23 Aug - Wed, 14 Oct

17:44 - 07:00BWI Baltimore/Washington-SYD Sydney Kingsford Smith

23h 16m1 stop Los Angeles Los Angeles

09:30 - 21:29SYD Sydney Kingsford Smith-BWI Baltimore/Washington

25h 59m2 stops Los Angeles Los Angeles Chicago O'Hare Intl

$1,759United Airlines

Sun, 23 Aug - Sun, 30 Aug

15:04 - 06:55BWI Baltimore/Washington-SYD Sydney Kingsford Smith

25h 51m2 stops Houston George Bush Intcntl San Francisco

10:30 - 16:37SYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 07m1 stop Los Angeles Los Angeles

$1,760United Airlines

Sun, 23 Aug - Wed, 14 Oct

17:44 - 07:00BWI Baltimore/Washington-SYD Sydney Kingsford Smith

23h 16m1 stop Los Angeles Los Angeles

11:20 - 11:56SYD Sydney Kingsford Smith-BWI Baltimore/Washington

39h 36m2 stops San Francisco Houston George Bush Intcntl

$1,779United Airlines

Sun, 23 Aug - Wed, 14 Oct

08:37 - 08:35BWI Baltimore/Washington-SYD Sydney Kingsford Smith

31h 58m2 stops Los Angeles Los Angeles Auckland Intl

11:50 - 22:34SYD Sydney Kingsford Smith-BWI Baltimore/Washington

26h 44m2 stops Auckland Intl Houston George Bush Intcntl

$1,780Air New Zealand

Sun, 17 Jan - Tue, 2 Feb

09:00 - 08:45BWI Baltimore/Washington-SYD Sydney Kingsford Smith

33h 45m2 stops Los Angeles Los Angeles Auckland Intl

11:55 - 06:41SYD Sydney Kingsford Smith-BWI Baltimore/Washington

33h 46m2 stops Auckland Intl Los Angeles Los Angeles

$1,781Air New Zealand

Sun, 23 Aug - Wed, 14 Oct

09:00 - 08:45BWI Baltimore/Washington-SYD Sydney Kingsford Smith

33h 45m2 stops Los Angeles Los Angeles Auckland Intl

11:55 - 06:41SYD Sydney Kingsford Smith-BWI Baltimore/Washington

33h 46m2 stops Auckland Intl Los Angeles Los Angeles

$1,783Air New Zealand

Sun, 23 Aug - Wed, 14 Oct

08:00 - 08:45BWI Baltimore/Washington-SYD Sydney Kingsford Smith

33h 45m2 stops Los Angeles Los Angeles Auckland Intl

09:55 - 20:38SYD Sydney Kingsford Smith-BWI Baltimore/Washington

26h 43m2 stops Auckland Intl Los Angeles Los Angeles

$1,784Air New Zealand

Wed, 21 Oct - Wed, 18 Nov

16:04 - 06:55BWI Baltimore/Washington-SYD Sydney Kingsford Smith

23h 51m1 stop Dallas/Fort Worth

14:05 - 19:16SYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 11m1 stop Dallas/Fort Worth

$1,794Qantas Airways

Wed, 21 Oct - Wed, 18 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

15:04 - 07:00BWI Baltimore/Washington-SYD Sydney Kingsford Smith

25h 56m2 stops Houston George Bush Intcntl Los Angeles Los Angeles

09:30 - 16:35SYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 05m1 stop Los Angeles Los Angeles

$1,759United Airlines

Wed, 12 Aug - Wed, 19 Aug

08:00 - 06:55BWI Baltimore/Washington-SYD Sydney Kingsford Smith

32h 55m1 stop San Francisco

10:20 - 17:40SYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 20m1 stop San Francisco

$1,769United Airlines

Wed, 12 Aug - Wed, 19 Aug

15:04 - 07:00BWI Baltimore/Washington-SYD Sydney Kingsford Smith

25h 56m2 stops Houston George Bush Intcntl Los Angeles Los Angeles

10:20 - 18:42SYD Sydney Kingsford Smith-BWI Baltimore/Washington

22h 22m2 stops San Francisco Chicago O'Hare Intl

$1,830United Airlines

Wed, 12 Aug - Thu, 20 Aug

07:00 - 07:00BWI Baltimore/Washington-SYD Sydney Kingsford Smith

34h 00m1 stop Los Angeles Los Angeles

10:20 - 17:40SYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 20m1 stop San Francisco

$1,839United Airlines

Wed, 12 Aug - Thu, 20 Aug

18:52 - 06:55BWI Baltimore/Washington-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

09:30 - 16:35SYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 05m1 stop Los Angeles Los Angeles

$1,895United Airlines

Thu, 13 Aug - Fri, 21 Aug

11:59 - 07:05BWI Baltimore/Washington-SYD Sydney Kingsford Smith

29h 06m2 stops Charlotte Douglas Los Angeles Los Angeles

09:10 - 20:49SYD Sydney Kingsford Smith-BWI Baltimore/Washington

25h 39m2 stops Los Angeles Los Angeles Charlotte Douglas

$1,896American Airlines

Thu, 13 Aug - Thu, 20 Aug

18:52 - 06:55BWI Baltimore/Washington-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

10:20 - 18:42SYD Sydney Kingsford Smith-BWI Baltimore/Washington

22h 22m2 stops San Francisco Chicago O'Hare Intl

$1,900United Airlines

Thu, 13 Aug - Thu, 20 Aug

12:30 - 06:50BWI Baltimore/Washington-SYD Sydney Kingsford Smith

28h 20m2 stops Detroit Metropolitan Wayne County Los Angeles Los Angeles

09:15 - 18:35SYD Sydney Kingsford Smith-BWI Baltimore/Washington

23h 20m2 stops Los Angeles Los Angeles Atlanta Hartsfield-Jackson

$1,902Delta

Thu, 13 Aug - Fri, 21 Aug

13:15 - 08:45BWI Baltimore/Washington-SYD Sydney Kingsford Smith

29h 30m2 stops Houston George Bush Intcntl Auckland Intl

11:55 - 11:45SYD Sydney Kingsford Smith-BWI Baltimore/Washington

37h 50m2 stops Auckland Intl Houston George Bush Intcntl

$1,999Air New Zealand

Thu, 13 Aug - Thu, 20 Aug

15:55 - 07:05BWI Baltimore/Washington-SYD Sydney Kingsford Smith

25h 10m2 stops Dallas/Fort Worth Los Angeles Los Angeles

12:00 - 21:34SYD Sydney Kingsford Smith-BWI Baltimore/Washington

23h 34m1 stop Dallas/Fort Worth

$2,123Qantas Airways

Wed, 12 Aug - Wed, 19 Aug

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United Airlines flights from Baltimore to Sydney

Our best United Airlines deals on Baltimore to Sydney flight tickets

United Airlines

17 Aug

BWI18:52Baltimore/Washington

22h 03m

1 stop

SYD06:55Sydney Kingsford Smith

30 Aug

SYD10:20Sydney Kingsford Smith

39h 25m

2 stops

BWI11:45Baltimore/Washington

$1,745

United Airlines

23 Aug

BWI17:44Baltimore/Washington

23h 16m

1 stop

SYD07:00Sydney Kingsford Smith

14 Oct

SYD11:20Sydney Kingsford Smith

21h 14m

1 stop

BWI17:34Baltimore/Washington

$1,753

United Airlines

23 Aug

BWI17:44Baltimore/Washington

23h 16m

1 stop

SYD07:00Sydney Kingsford Smith

30 Aug

SYD09:30Sydney Kingsford Smith

25h 59m

2 stops

BWI21:29Baltimore/Washington

$1,759

Air New Zealand flights from Baltimore to Sydney

Our best Air New Zealand deals on Baltimore to Sydney flight tickets

Air New Zealand

17 Jan

BWI08:37Baltimore/Washington

31h 58m

2 stops

SYD08:35Sydney Kingsford Smith

2 Feb

SYD11:50Sydney Kingsford Smith

26h 44m

2 stops

BWI22:34Baltimore/Washington

$1,780

Air New Zealand

23 Aug

BWI09:00Baltimore/Washington

33h 45m

2 stops

SYD08:45Sydney Kingsford Smith

14 Oct

SYD11:55Sydney Kingsford Smith

33h 46m

2 stops

BWI06:41Baltimore/Washington

$1,781

Air New Zealand

23 Aug

BWI09:00Baltimore/Washington

33h 45m

2 stops

SYD08:45Sydney Kingsford Smith

14 Oct

SYD11:55Sydney Kingsford Smith

33h 46m

2 stops

BWI06:41Baltimore/Washington

$1,783

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Fri 25/9

09:27-11:50

3 stops36h 23m

Sydney Kingsford Smith

Fri 2/10

13:15-14:11

3 stops38h 56m

$1,495

Fastest return journey

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sun 23/8

17:44-07:00

1 stop23h 16m

Sydney Kingsford Smith

Wed 14/10

11:20-17:34

1 stop21h 14m

$1,753

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sun 23/8

17:44-07:00

1 stop23h 16m

Sydney Kingsford Smith

Sun 30/8

09:30-21:29

2 stops25h 59m

$1,759

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sun 23/8

15:04-06:55

2 stops25h 51m

Sydney Kingsford Smith

Wed 14/10

10:30-16:37

1 stop21h 07m

$1,760

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sun 23/8

17:44-07:00

1 stop23h 16m

Sydney Kingsford Smith

Wed 14/10

11:20-11:56

2 stops39h 36m

$1,779

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sun 17/1

08:37-08:35

2 stops31h 58m

Sydney Kingsford Smith

Tue 2/2

11:50-22:34

2 stops26h 44m

$1,780

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sun 23/8

09:00-08:45

2 stops33h 45m

Sydney Kingsford Smith

Wed 14/10

11:55-06:41

2 stops33h 46m

$1,781

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sun 23/8

09:00-08:45

2 stops33h 45m

Sydney Kingsford Smith

Wed 14/10

11:55-06:41

2 stops33h 46m

$1,783

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 21/10

08:00-08:45

2 stops33h 45m

Sydney Kingsford Smith

Wed 18/11

09:55-20:38

2 stops26h 43m

$1,784

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 21/10

16:04-06:55

1 stop23h 51m

Sydney Kingsford Smith

Wed 18/11

14:05-19:16

1 stop21h 11m

$1,794

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Baltimore to Sydney

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

Prices

Airlines

What is the typical price of a round-trip flight between Baltimore and Sydney?

Prices are currently low for flights on this route.

Typical prices usually range from $2,048 to $2,822.
The lowest price recently found on this route was $1,495.

What is the cheapest month to fly to Sydney?

The month of September is, on average, the cheapest month to fly to Sydney from Baltimore, with most prices found around $1,638. If you aren’t able to travel to Sydney during the month of September, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $1,692.

How far in advance should I book a flight from Baltimore to Sydney?

You are more likely to see cheaper flights to Sydney from Baltimore when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,061 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Baltimore for as low as $1,335 on momondo.

Can stopping save me money on Baltimore to Sydney flights?

You could potentially save up to 48% on your flight if you consider stops on a Baltimore to Sydney flight.

When to book flights from Baltimore to Sydney

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

Estimated return price

Cheap Baltimore to Sydney (BWI to SYD) flight deals and tips

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

Fastest flight time	21h 58m
Direct flights	None

The fastest flight from Baltimore to Sydney takes 21h 58m

There are no direct flights from Baltimore to Sydney. There are no popular flight routes from Baltimore to Sydney.

Search flight deals

Frequently asked questions about flying from Baltimore to Sydney

How far is Baltimore/Washington to Sydney Kingsford Smith by plane?
There are 15741.9 km between Baltimore/Washington and Sydney Kingsford Smith. By plane, this route typically takes 21h 58m.
When did momondo last update prices for flights from Baltimore/Washington Airport to Sydney Kingsford Smith Airport?
Prices for flights from Baltimore/Washington Airport to Sydney Kingsford Smith Airport are updated daily.
How old do you have to be to fly from Baltimore/Washington Airport to Sydney Kingsford Smith 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 Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Baltimore to Sydney for you.

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

Yes. momondo allows you to filter the results for Baltimore to Sydney flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Baltimore.

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

If you are not ready to book a flight from Baltimore to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.