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

Qantas Airways, American Airlines, and United Airlines 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 many operators does momondo search for flights from Baltimore/Washington Airport to Sydney Kingsford Smith Airport?

As of October 2025, there is 1 operator available to choose from for flights from Baltimore/Washington Airport to Sydney Kingsford Smith Airport.

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.

$731 Cheap Flights from Baltimore to Sydney in 2025/26

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Baltimore to Sydney

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

05:45 - 09:00BWI-SYD

35h 15m2 stops

11:20 - 09:17SYD-BWI

37h 57m2 stops

$1,728Multiple Airlines

Find Deal

Mon, 1 Dec - Mon, 15 Dec

10:22 - 07:25BWI-SYD

29h 03m2 stops

17:45 - 09:31SYD-BWI

31h 46m2 stops

$1,765Multiple Airlines

Find Deal

Mon, 17 Nov - Mon, 24 Nov

15:23 - 06:55BWI-SYD

23h 32m1 stop

14:05 - 21:17SYD-BWI

23h 12m1 stop

$1,899Qantas Airways

Find Deal

Tue, 11 Nov - Wed, 10 Dec

15:23 - 06:55BWI-SYD

23h 32m1 stop

14:05 - 21:17SYD-BWI

23h 12m1 stop

$1,900Qantas Airways

Find Deal

Tue, 11 Nov - Wed, 10 Dec

13:27 - 06:55BWI-SYD

26h 28m1 stop

14:05 - 23:02SYD-BWI

24h 57m1 stop

$1,962American Airlines

Find Deal

Wed, 29 Oct - Wed, 19 Nov

14:46 - 09:00BWI-SYD

26h 14m2 stops

11:20 - 17:38SYD-BWI

22h 18m2 stops

$1,967American Airlines

Find Deal

Mon, 9 Feb - Sun, 1 Mar

11:00 - 07:25BWI-SYD

29h 25m2 stops

09:25 - 00:11SYD-BWI

28h 46m2 stops

$1,970Delta

Find Deal

Wed, 11 Mar - Sun, 5 Apr

18:00 - 07:00BWI-SYD

22h 00m1 stop

10:20 - 05:52SYD-BWI

33h 32m1 stop

$1,974United Airlines

Find Deal

Wed, 11 Mar - Mon, 6 Apr

18:57 - 09:05BWI-SYD

22h 08m1 stop

12:10 - 17:26SYD-BWI

21h 16m1 stop

$1,985United Airlines

Find Deal

Mon, 1 Dec - Mon, 2 Feb

17:30 - 08:30BWI-SYD

47h 00m2 stops

10:40 - 21:59SYD-BWI

27h 19m2 stops

$2,020Delta

Find Deal

Sat, 14 Feb - Sun, 8 Mar

Delta flights from Baltimore to Sydney

Our best Delta deals on Baltimore to Sydney flight tickets

Delta

11 Mar

BWI11:00Baltimore/Washington

29h 25m

2 stops

SYD07:25Sydney Kingsford Smith

5 Apr

SYD09:25Sydney Kingsford Smith

28h 46m

2 stops

BWI00:11Baltimore/Washington

$1,970

Find similar

Delta

14 Feb

BWI17:30Baltimore/Washington

47h 00m

2 stops

SYD08:30Sydney Kingsford Smith

8 Mar

SYD10:40Sydney Kingsford Smith

27h 19m

2 stops

BWI21:59Baltimore/Washington

$2,020

Find similar

Delta

4 Apr

BWI15:00Baltimore/Washington

49h 35m

2 stops

SYD06:35Sydney Kingsford Smith

29 Apr

SYD09:25Sydney Kingsford Smith

24h 25m

2 stops

BWI19:50Baltimore/Washington

$2,022

Find similar

Qantas Airways flights from Baltimore to Sydney

Our best Qantas Airways deals on Baltimore to Sydney flight tickets

Qantas Airways

11 Nov

BWI15:23Baltimore/Washington

23h 32m

1 stop

SYD06:55Sydney Kingsford Smith

10 Dec

SYD14:05Sydney Kingsford Smith

23h 12m

1 stop

BWI21:17Baltimore/Washington

$1,899

Find similar

Qantas Airways

11 Nov

BWI15:23Baltimore/Washington

23h 32m

1 stop

SYD06:55Sydney Kingsford Smith

10 Dec

SYD14:05Sydney Kingsford Smith

23h 12m

1 stop

BWI21:17Baltimore/Washington

$1,900

Find similar

Qantas Airways

16 Feb

BWI15:21Baltimore/Washington

27h 34m

2 stops

SYD10:55Sydney Kingsford Smith

28 Feb

SYD14:05Sydney Kingsford Smith

20h 06m

1 stop

BWI18:11Baltimore/Washington

$1,916

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 1/12

05:45-09:00

2 stops35h 15m

Sydney Kingsford Smith

Mon 15/12

11:20-09:17

2 stops37h 57m

$1,728

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 17/11

10:22-07:25

2 stops29h 03m

Sydney Kingsford Smith

Mon 24/11

17:45-09:31

2 stops31h 46m

$1,765

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 11/11

15:23-06:55

1 stop23h 32m

Sydney Kingsford Smith

Wed 10/12

14:05-21:17

1 stop23h 12m

$1,899

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 11/11

15:23-06:55

1 stop23h 32m

Sydney Kingsford Smith

Wed 10/12

14:05-21:17

1 stop23h 12m

$1,900

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 29/10

13:27-06:55

1 stop26h 28m

Sydney Kingsford Smith

Wed 19/11

14:05-23:02

1 stop24h 57m

$1,962

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 9/2

14:46-09:00

2 stops26h 14m

Sydney Kingsford Smith

Sun 1/3

11:20-17:38

2 stops22h 18m

$1,967

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 11/3

11:00-07:25

2 stops29h 25m

Sydney Kingsford Smith

Sun 5/4

09:25-00:11

2 stops28h 46m

$1,970

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 11/3

18:00-07:00

1 stop22h 00m

Sydney Kingsford Smith

Mon 6/4

10:20-05:52

1 stop33h 32m

$1,974

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 1/12

18:57-09:05

1 stop22h 08m

Sydney Kingsford Smith

Mon 2/2

12:10-17:26

1 stop21h 16m

$1,985

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sat 14/2

17:30-08:30

2 stops47h 00m

Sydney Kingsford Smith

Sun 8/3

10:40-21:59

2 stops27h 19m

$2,020

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 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 $1,780. If you aren’t able to travel to Sydney during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $2,108.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Tuesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $2,120. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $2,367.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the morning. momondo users have found flights departing from Baltimore to Sydney in the morning for as low as $2,148. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $2,979 on average. Flights to Sydney from Baltimore in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight 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 $2,338 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 $1,839 on momondo.

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

Direct flights	None

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

Search flight deals

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 22h 00m.
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 many operators does momondo search for flights from Baltimore/Washington Airport to Sydney Kingsford Smith Airport?
As of October 2025, there is 1 operator available to choose from for flights from Baltimore/Washington Airport to Sydney Kingsford Smith Airport.
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.
What is the most popular airline from Baltimore to Sydney?
Based on momondo bookings for flights between Baltimore and Sydney, the leading airline is United Airlines, making up 100% of the total bookings.

Best airlines flying from Baltimore to Sydney

Compare and see reviews for airlines that fly from Baltimore to Sydney with momondo

Airline	Rating	Free cancellation	Price
United Airlines	PriceFrom $2,231	Free cancellation	Rating 7.4 8,994 reviews		Search United Airlines flights

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Leura

Manly

Bondi Beach

Coogee

Randwick

Cronulla

Charlestown

Newport

Swansea

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.