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

Qantas Airways 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 many operators does momondo search for flights from Baltimore/Washington Airport to Sydney Kingsford Smith Airport?

As of September 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

1 adult

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Find the cheapest flights from Baltimore to Sydney

Round-trip

One-way

Last minute

Cheap return flights

05:45 - 11:45BWI-SYD

40h 00m2 stops

13:45 - 07:01SYD-BWI

31h 16m2 stops

$1,571

Find Deal

Wed, 24 Sep - Sat, 27 Sep

11:39 - 08:35BWI-SYD

29h 56m3 stops

14:15 - 06:35SYD-BWI

31h 20m2 stops

$1,656

Find Deal

Sun, 26 Oct - Fri, 31 Oct

15:22 - 10:55BWI-SYD

27h 33m2 stops

14:05 - 18:11SYD-BWI

20h 06m1 stop

$1,668Qantas Airways

Find Deal

Tue, 10 Feb - Sat, 21 Feb

15:22 - 10:55BWI-SYD

27h 33m2 stops

13:05 - 18:11SYD-BWI

20h 06m1 stop

$1,669Qantas Airways

Find Deal

Tue, 10 Feb - Tue, 10 Mar

15:07 - 11:35BWI-SYD

28h 28m2 stops

14:05 - 22:58SYD-BWI

24h 53m1 stop

$1,671Qantas Airways

Find Deal

Sun, 30 Nov - Fri, 26 Dec

15:23 - 06:55BWI-SYD

23h 32m1 stop

07:05 - 14:15SYD-BWI

23h 10m2 stops

$1,681Qantas Airways

Find Deal

Tue, 11 Nov - Sun, 23 Nov

11:39 - 08:35BWI-SYD

29h 56m3 stops

14:15 - 04:30SYD-BWI

29h 15m3 stops

$1,718

Find Deal

Sun, 26 Oct - Fri, 31 Oct

18:55 - 19:45BWI-SYD

32h 50m2 stops

21:40 - 17:55SYD-BWI

36h 15m2 stops

$1,782Alaska Airlines

Find Deal

Mon, 19 Jan - Fri, 30 Jan

19:16 - 19:45BWI-SYD

33h 29m2 stops

21:40 - 18:16SYD-BWI

36h 36m2 stops

$1,784Alaska Airlines

Find Deal

Thu, 30 Oct - Fri, 7 Nov

07:38 - 19:45BWI-SYD

68h 07m2 stops

21:40 - 18:16SYD-BWI

36h 36m2 stops

$1,791Alaska Airlines

Find Deal

Sat, 8 Nov - Fri, 14 Nov

Qantas Airways flights from Baltimore to Sydney

Our best Qantas Airways deals on Baltimore to Sydney flight tickets

Qantas Airways

10 Feb

BWI15:22Baltimore/Washington

27h 33m

2 stops

SYD10:55Sydney Kingsford Smith

21 Feb

SYD14:05Sydney Kingsford Smith

20h 06m

1 stop

BWI18:11Baltimore/Washington

$1,668

Find similar

Qantas Airways

10 Feb

BWI15:22Baltimore/Washington

27h 33m

2 stops

SYD10:55Sydney Kingsford Smith

10 Mar

SYD13:05Sydney Kingsford Smith

20h 06m

1 stop

BWI18:11Baltimore/Washington

$1,669

Find similar

Qantas Airways

30 Nov

BWI15:07Baltimore/Washington

28h 28m

2 stops

SYD11:35Sydney Kingsford Smith

26 Dec

SYD14:05Sydney Kingsford Smith

24h 53m

1 stop

BWI22:58Baltimore/Washington

$1,671

Find similar

American Airlines flights from Baltimore to Sydney

Our best American Airlines deals on Baltimore to Sydney flight tickets

American Airlines

20 Sept

BWI13:32Baltimore/Washington

27h 23m

1 stop

SYD06:55Sydney Kingsford Smith

1 Oct

SYD12:10Sydney Kingsford Smith

25h 12m

1 stop

BWI23:22Baltimore/Washington

$2,167

Find similar

American Airlines

15 Sept

BWI13:32Baltimore/Washington

27h 23m

1 stop

SYD06:55Sydney Kingsford Smith

1 Oct

SYD12:10Sydney Kingsford Smith

25h 12m

1 stop

BWI23:22Baltimore/Washington

$2,168

Find similar

American Airlines

20 Sept

BWI11:04Baltimore/Washington

30h 01m

2 stops

SYD07:05Sydney Kingsford Smith

1 Oct

SYD09:10Sydney Kingsford Smith

27h 32m

2 stops

BWI22:42Baltimore/Washington

$2,170

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 24/9

05:45-11:45

2 stops40h 00m

Sydney Kingsford Smith

Sat 27/9

13:45-07:01

2 stops31h 16m

$1,571

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 26/10

11:39-08:35

3 stops29h 56m

Sydney Kingsford Smith

Fri 31/10

14:15-06:35

2 stops31h 20m

$1,656

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 10/2

15:22-10:55

2 stops27h 33m

Sydney Kingsford Smith

Sat 21/2

14:05-18:11

1 stop20h 06m

$1,668

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 10/2

15:22-10:55

2 stops27h 33m

Sydney Kingsford Smith

Tue 10/3

13:05-18:11

1 stop20h 06m

$1,669

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 30/11

15:07-11:35

2 stops28h 28m

Sydney Kingsford Smith

Fri 26/12

14:05-22:58

1 stop24h 53m

$1,671

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 11/11

15:23-06:55

1 stop23h 32m

Sydney Kingsford Smith

Sun 23/11

07:05-14:15

2 stops23h 10m

$1,681

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 26/10

11:39-08:35

3 stops29h 56m

Sydney Kingsford Smith

Fri 31/10

14:15-04:30

3 stops29h 15m

$1,718

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 19/1

18:55-19:45

2 stops32h 50m

Sydney Kingsford Smith

Fri 30/1

21:40-17:55

2 stops36h 15m

$1,782

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Thu 30/10

19:16-19:45

2 stops33h 29m

Sydney Kingsford Smith

Fri 7/11

21:40-18:16

2 stops36h 36m

$1,784

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sat 8/11

07:38-19:45

2 stops68h 07m

Sydney Kingsford Smith

Fri 14/11

21:40-18:16

2 stops36h 36m

$1,791

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 $1,246. 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 $2,066.

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 $2,078. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $2,319.

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 $2,105. 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 $2,920 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 $2,262 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 $1,662 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 23h 32m.
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 September 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 $2,186	Free cancellation	Rating 7.4 8,936 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.