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

Qantas Airways and Alaska 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 November 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.

$974 Cheap Flights from Baltimore to Sydney in 2025/26

1 adult

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Find the cheapest flights from Baltimore to Sydney

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One-way

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15:24 - 08:05BWI-SYD

25h 41m2 stops

09:10 - 18:15SYD-BWI

23h 05m2 stops

$1,925American Airlines

Find Deal

Wed, 1 Apr - Tue, 28 Apr

17:50 - 08:00BWI-SYD

23h 10m1 stop

10:20 - 17:17SYD-BWI

20h 57m1 stop

$1,944United Airlines

Find Deal

Wed, 1 Apr - Tue, 28 Apr

15:41 - 14:25BWI-SYD

30h 44m2 stops

14:05 - 23:10SYD-BWI

25h 05m1 stop

$1,945Qantas Airways

Find Deal

Wed, 28 Jan - Wed, 4 Feb

15:41 - 06:55BWI-SYD

23h 14m1 stop

07:20 - 14:28SYD-BWI

23h 08m2 stops

$1,959Qantas Airways

Find Deal

Fri, 6 Feb - Sun, 22 Feb

15:21 - 06:55BWI-SYD

23h 34m1 stop

07:05 - 14:28SYD-BWI

23h 23m2 stops

$1,961Qantas Airways

Find Deal

Fri, 20 Feb - Sun, 1 Mar

06:05 - 06:50BWI-SYD

56h 45m2 stops

10:40 - 17:56SYD-BWI

23h 16m2 stops

$1,979Delta

Find Deal

Sat, 28 Feb - Wed, 4 Mar

08:42 - 09:15BWI-SYD

32h 33m1 stop

11:20 - 16:53SYD-BWI

21h 33m1 stop

$2,021United Airlines

Find Deal

Sat, 28 Feb - Wed, 4 Mar

06:00 - 06:35BWI-SYD

34h 35m2 stops

09:25 - 22:02SYD-BWI

26h 37m2 stops

$2,105Delta

Find Deal

Fri, 24 Apr - Sat, 2 May

15:52 - 10:30BWI-SYD

26h 38m2 stops

11:45 - 22:25SYD-BWI

26h 40m2 stops

$2,179Air New Zealand

Find Deal

Sun, 1 Feb - Wed, 11 Feb

16:15 - 08:45BWI-SYD

25h 30m2 stops

08:45 - 07:01SYD-BWI

36h 16m2 stops

$2,181Air New Zealand

Find Deal

Wed, 1 Apr - Tue, 14 Apr

American Airlines flights from Baltimore to Sydney

Our best American Airlines deals on Baltimore to Sydney flight tickets

American Airlines

1 Apr

BWI15:24Baltimore/Washington

25h 41m

2 stops

SYD08:05Sydney Kingsford Smith

28 Apr

SYD09:10Sydney Kingsford Smith

23h 05m

2 stops

BWI18:15Baltimore/Washington

$1,925

Find similar

American Airlines

8 Nov

BWI15:22Baltimore/Washington

23h 33m

1 stop

SYD06:55Sydney Kingsford Smith

16 Nov

SYD14:05Sydney Kingsford Smith

20h 12m

1 stop

BWI18:17Baltimore/Washington

$1,997

Find similar

American Airlines

21 Feb

BWI15:22Baltimore/Washington

25h 38m

2 stops

SYD09:00Sydney Kingsford Smith

1 Mar

SYD14:05Sydney Kingsford Smith

20h 12m

1 stop

BWI18:17Baltimore/Washington

$2,004

Find similar

United Airlines flights from Baltimore to Sydney

Our best United Airlines deals on Baltimore to Sydney flight tickets

United Airlines

1 Apr

BWI17:50Baltimore/Washington

23h 10m

1 stop

SYD08:00Sydney Kingsford Smith

28 Apr

SYD10:20Sydney Kingsford Smith

20h 57m

1 stop

BWI17:17Baltimore/Washington

$1,944

Find similar

United Airlines

28 Feb

BWI08:42Baltimore/Washington

32h 33m

1 stop

SYD09:15Sydney Kingsford Smith

4 Mar

SYD11:20Sydney Kingsford Smith

21h 33m

1 stop

BWI16:53Baltimore/Washington

$2,021

Find similar

United Airlines

5 Feb

BWI12:25Baltimore/Washington

25h 55m

2 stops

SYD06:20Sydney Kingsford Smith

14 Feb

SYD12:10Sydney Kingsford Smith

25h 17m

2 stops

BWI21:27Baltimore/Washington

$2,074

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 1/4

15:24-08:05

2 stops25h 41m

Sydney Kingsford Smith

Tue 28/4

09:10-18:15

2 stops23h 05m

$1,925

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 1/4

17:50-08:00

1 stop23h 10m

Sydney Kingsford Smith

Tue 28/4

10:20-17:17

1 stop20h 57m

$1,944

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 28/1

15:41-14:25

2 stops30h 44m

Sydney Kingsford Smith

Wed 4/2

14:05-23:10

1 stop25h 05m

$1,945

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Fri 6/2

15:41-06:55

1 stop23h 14m

Sydney Kingsford Smith

Sun 22/2

07:20-14:28

2 stops23h 08m

$1,959

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Fri 20/2

15:21-06:55

1 stop23h 34m

Sydney Kingsford Smith

Sun 1/3

07:05-14:28

2 stops23h 23m

$1,961

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sat 28/2

06:05-06:50

2 stops56h 45m

Sydney Kingsford Smith

Wed 4/3

10:40-17:56

2 stops23h 16m

$1,979

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sat 28/2

08:42-09:15

1 stop32h 33m

Sydney Kingsford Smith

Wed 4/3

11:20-16:53

1 stop21h 33m

$2,021

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Fri 24/4

06:00-06:35

2 stops34h 35m

Sydney Kingsford Smith

Sat 2/5

09:25-22:02

2 stops26h 37m

$2,105

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 1/2

15:52-10:30

2 stops26h 38m

Sydney Kingsford Smith

Wed 11/2

11:45-22:25

2 stops26h 40m

$2,179

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 1/4

16:15-08:45

2 stops25h 30m

Sydney Kingsford Smith

Tue 14/4

08:45-07:01

2 stops36h 16m

$2,181

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 $2,329 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.

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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 10m.
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 November 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 9,009 reviews		Search United Airlines flights

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Leura

Manly

Bondi Beach

Coogee

Cronulla

Randwick

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.