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

United Airlines is the most popular carrier 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.

$909 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.

07:02 - 08:20BWI Baltimore/Washington-SYD Sydney Kingsford Smith

58h 18m2 stops Seattle/Tacoma Intl Vancouver Intl

11:20 - 17:12SYD Sydney Kingsford Smith-BWI Baltimore/Washington

45h 52m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,510Multiple Airlines

Sat, 17 Oct - Mon, 2 Nov

07:02 - 09:35BWI Baltimore/Washington-SYD Sydney Kingsford Smith

34h 33m2 stops Seattle/Tacoma Intl Vancouver Intl

11:20 - 05:40SYD Sydney Kingsford Smith-BWI Baltimore/Washington

34h 20m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,528Multiple Airlines

Mon, 2 Nov - Mon, 23 Nov

19:15 - 07:20BWI Baltimore/Washington-SYD Sydney Kingsford Smith

46h 05m2 stops Seattle/Tacoma Intl Vancouver Intl

09:20 - 06:30SYD Sydney Kingsford Smith-BWI Baltimore/Washington

35h 10m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,616Multiple Airlines

Wed, 23 Sep - Wed, 30 Sep

07:02 - 08:20BWI Baltimore/Washington-SYD Sydney Kingsford Smith

34h 18m2 stops Seattle/Tacoma Intl Vancouver Intl

10:20 - 06:40SYD Sydney Kingsford Smith-BWI Baltimore/Washington

59h 20m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,648Multiple Airlines

Fri, 16 Oct - Sat, 31 Oct

16:43 - 07:20BWI Baltimore/Washington-SYD Sydney Kingsford Smith

48h 37m2 stops Portland Vancouver Intl

09:20 - 06:30SYD Sydney Kingsford Smith-BWI Baltimore/Washington

35h 10m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,669Multiple Airlines

Fri, 25 Sep - Thu, 1 Oct

16:43 - 07:20BWI Baltimore/Washington-SYD Sydney Kingsford Smith

48h 37m2 stops Portland Vancouver Intl

09:20 - 06:30SYD Sydney Kingsford Smith-BWI Baltimore/Washington

35h 10m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,703Multiple Airlines

Fri, 11 Sep - Fri, 25 Sep

15:04 - 10:40BWI Baltimore/Washington-SYD Sydney Kingsford Smith

28h 36m2 stops Houston George Bush Intcntl Auckland Intl

11:50 - 20:38SYD Sydney Kingsford Smith-BWI Baltimore/Washington

24h 48m2 stops Auckland Intl Los Angeles

$1,761Air New Zealand

Wed, 21 Oct - Wed, 18 Nov

11:25 - 08:35BWI Baltimore/Washington-SYD Sydney Kingsford Smith

29h 10m2 stops Los Angeles Auckland Intl

11:50 - 20:38SYD Sydney Kingsford Smith-BWI Baltimore/Washington

24h 48m2 stops Auckland Intl Los Angeles

$1,763Air New Zealand

Mon, 2 Nov - Wed, 11 Nov

18:00 - 08:35BWI Baltimore/Washington-SYD Sydney Kingsford Smith

46h 35m2 stops Los Angeles Auckland Intl

11:50 - 07:01SYD Sydney Kingsford Smith-BWI Baltimore/Washington

35h 11m2 stops Auckland Intl Los Angeles

$1,779Air New Zealand

Sat, 13 Feb - Sun, 28 Feb

08:37 - 10:35BWI Baltimore/Washington-SYD Sydney Kingsford Smith

33h 58m2 stops Los Angeles Auckland Intl

19:25 - 07:01SYD Sydney Kingsford Smith-BWI Baltimore/Washington

51h 36m2 stops Auckland Intl Los Angeles

$1,789Air New Zealand

Wed, 10 Feb - Sat, 20 Feb

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

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

21h 20m1 stop San Francisco

$1,737United Airlines

Wed, 26 Aug - Sun, 6 Sep

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

34h 00m1 stop Los Angeles

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

21h 05m1 stop Los Angeles

$1,746United Airlines

Wed, 26 Aug - Sun, 6 Sep

15:04 - 08:45BWI Baltimore/Washington-SYD Sydney Kingsford Smith

27h 41m2 stops Houston George Bush Intcntl Auckland Intl

09:55 - 16:28SYD Sydney Kingsford Smith-BWI Baltimore/Washington

44h 33m2 stops Auckland Intl Houston George Bush Intcntl

$1,976Air New Zealand

Thu, 27 Aug - Thu, 10 Sep

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

25h 51m2 stops Houston George Bush Intcntl San Francisco

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

21h 05m1 stop Los Angeles

$1,983United Airlines

Wed, 26 Aug - Wed, 2 Sep

08:30 - 07:00BWI Baltimore/Washington-SYD Sydney Kingsford Smith

32h 30m2 stops Denver Intl Los Angeles

10:20 - 23:00SYD Sydney Kingsford Smith-BWI Baltimore/Washington

26h 40m2 stops San Francisco Chicago O'Hare Intl

$1,987United Airlines

Wed, 26 Aug - Sun, 6 Sep

13:15 - 07:00BWI Baltimore/Washington-SYD Sydney Kingsford Smith

27h 45m2 stops Houston George Bush Intcntl Los Angeles

10:20 - 22:34SYD Sydney Kingsford Smith-BWI Baltimore/Washington

26h 14m2 stops San Francisco Houston George Bush Intcntl

$1,989United Airlines

Wed, 26 Aug - Sun, 27 Sep

13:00 - 07:00BWI Baltimore/Washington-SYD Sydney Kingsford Smith

28h 00m2 stops Chicago O'Hare Intl Los Angeles

09:30 - 18:42SYD Sydney Kingsford Smith-BWI Baltimore/Washington

23h 12m2 stops Los Angeles Chicago O'Hare Intl

$1,990United Airlines

Wed, 26 Aug - Wed, 2 Sep

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

34h 00m1 stop Los Angeles

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

21h 05m1 stop Los Angeles

$2,001United Airlines

Wed, 26 Aug - Sun, 6 Sep

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

34h 00m1 stop Los Angeles

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

21h 05m1 stop Los Angeles

$2,003United Airlines

Wed, 26 Aug - Sun, 6 Sep

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

32h 55m1 stop San Francisco

09:30 - 16:37SYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 07m1 stop Los Angeles

$2,004United Airlines

Wed, 26 Aug - Sun, 27 Sep

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Air New Zealand flights from Baltimore to Sydney

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

Air New Zealand

21 Oct

BWI15:04Baltimore/Washington

28h 36m

2 stops

SYD10:40Sydney Kingsford Smith

18 Nov

SYD11:50Sydney Kingsford Smith

24h 48m

2 stops

BWI20:38Baltimore/Washington

$1,761

Air New Zealand

2 Nov

BWI11:25Baltimore/Washington

29h 10m

2 stops

SYD08:35Sydney Kingsford Smith

11 Nov

SYD11:50Sydney Kingsford Smith

24h 48m

2 stops

BWI20:38Baltimore/Washington

$1,763

Air New Zealand

13 Feb

BWI18:00Baltimore/Washington

46h 35m

2 stops

SYD08:35Sydney Kingsford Smith

28 Feb

SYD11:50Sydney Kingsford Smith

35h 11m

2 stops

BWI07:01Baltimore/Washington

$1,779

United Airlines flights from Baltimore to Sydney

Our best United Airlines deals on Baltimore to Sydney flight tickets

United Airlines

31 Aug

BWI18:52Baltimore/Washington

22h 03m

1 stop

SYD06:55Sydney Kingsford Smith

14 Sept

SYD09:30Sydney Kingsford Smith

35h 45m

2 stops

BWI07:15Baltimore/Washington

$1,730

United Airlines

31 Aug

BWI18:52Baltimore/Washington

22h 03m

1 stop

SYD06:55Sydney Kingsford Smith

14 Sept

SYD09:30Sydney Kingsford Smith

35h 45m

2 stops

BWI07:15Baltimore/Washington

$1,732

United Airlines

26 Aug

BWI15:04Baltimore/Washington

25h 56m

2 stops

SYD07:00Sydney Kingsford Smith

27 Sept

SYD09:30Sydney Kingsford Smith

21h 07m

1 stop

BWI16:37Baltimore/Washington

$1,737

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sat 17/10

07:02-08:20

2 stops58h 18m

Sydney Kingsford Smith

Mon 2/11

11:20-17:12

2 stops45h 52m

$1,510

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Mon 2/11

07:02-09:35

2 stops34h 33m

Sydney Kingsford Smith

Mon 23/11

11:20-05:40

2 stops34h 20m

$1,528

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 23/9

19:15-07:20

2 stops46h 05m

Sydney Kingsford Smith

Wed 30/9

09:20-06:30

2 stops35h 10m

$1,616

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Fri 16/10

07:02-08:20

2 stops34h 18m

Sydney Kingsford Smith

Sat 31/10

10:20-06:40

2 stops59h 20m

$1,648

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Fri 25/9

16:43-07:20

2 stops48h 37m

Sydney Kingsford Smith

Thu 1/10

09:20-06:30

2 stops35h 10m

$1,669

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Fri 11/9

16:43-07:20

2 stops48h 37m

Sydney Kingsford Smith

Fri 25/9

09:20-06:30

2 stops35h 10m

$1,703

Fastest return journey

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 21/10

15:04-10:40

2 stops28h 36m

Sydney Kingsford Smith

Wed 18/11

11:50-20:38

2 stops24h 48m

$1,761

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Mon 2/11

11:25-08:35

2 stops29h 10m

Sydney Kingsford Smith

Wed 11/11

11:50-20:38

2 stops24h 48m

$1,763

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sat 13/2

18:00-08:35

2 stops46h 35m

Sydney Kingsford Smith

Sun 28/2

11:50-07:01

2 stops35h 11m

$1,779

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 10/2

08:37-10:35

2 stops33h 58m

Sydney Kingsford Smith

Sat 20/2

19:25-07:01

2 stops51h 36m

$1,789

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 $1,559 to $2,404.
The lowest price recently found on this route was $1,510.

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 $1,222. If you aren’t able to travel to Sydney during the month of September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $1,803.

Can stopping save me money on Baltimore to Sydney flights?

You could potentially save up to 1% 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

Best price found	$909
Fastest flight time	23h 17m
Direct flights	None

The best one-way flight to Sydney from Baltimore in the past 72 hours is $909. The best return flight deal from Baltimore to Sydney found on momondo in the last 72 hours is $1,510.

The fastest flight from Baltimore to Sydney takes 23h 17m

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 23h 17m.
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.