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

American Airlines, Qantas Airways, and United Airlines are the most popular carriers operating from Baltimore/Washington to Sydney Kingsford Smith

What airlines fly to Sydney?

United Airlines, Qantas Airways and American Airlines are the top three most popular airlines that fly to Sydney from Baltimore according to our data. United Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 6 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

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 refresh daily.

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

As of July 2026, there are 5 operators 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$572 Cheap Flights from Baltimore to Sydney in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Baltimore to Sydney

Round-trip

One-way

Last minute

Cheap round-trip flights

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3:55 pm - 6:55 am

BWI

SYD

25h 00m

1 stop

12:00 pm - 11:41 pm

SYD

BWI

25h 41m

1 stop

$1,155Qantas Airways

Mon, Aug 17 - Mon, Aug 24

3:55 pm - 6:55 am

BWI

SYD

25h 00m

1 stop

12:00 pm - 9:34 pm

SYD

BWI

23h 34m

1 stop

$1,167Qantas Airways

Wed, Aug 19 - Wed, Aug 26

3:46 pm - 6:55 am

BWI

SYD

25h 09m

1 stop

12:00 pm - 11:41 pm

SYD

BWI

25h 41m

1 stop

$1,172Qantas Airways

Mon, Aug 3 - Mon, Aug 24

7:17 pm - 6:55 am

BWI

SYD

21h 38m

1 stop

12:00 pm - 7:29 pm

SYD

BWI

21h 29m

1 stop

$1,175Qantas Airways

Sun, Aug 2 - Sun, Aug 23

3:03 pm - 7:00 am

BWI

SYD

25h 57m

2 stops

10:20 am - 5:40 pm

SYD

BWI

21h 20m

1 stop

$1,177United Airlines

Sun, Aug 9 - Tue, Aug 18

3:46 pm - 6:55 am

BWI

SYD

25h 09m

1 stop

12:00 pm - 9:34 pm

SYD

BWI

23h 34m

1 stop

$1,183Qantas Airways

Mon, Aug 3 - Wed, Sep 2

7:17 pm - 6:55 am

BWI

SYD

21h 38m

1 stop

12:00 pm - 11:41 pm

SYD

BWI

25h 41m

1 stop

$1,184American Airlines

Sun, Aug 2 - Sun, Aug 16

7:17 pm - 6:55 am

BWI

SYD

21h 38m

1 stop

12:00 pm - 9:34 pm

SYD

BWI

23h 34m

1 stop

$1,185Qantas Airways

Mon, Aug 3 - Wed, Sep 2

3:03 pm - 7:00 am

BWI

SYD

25h 57m

2 stops

9:30 am - 4:35 pm

SYD

BWI

21h 05m

1 stop

$1,187United Airlines

Wed, Aug 5 - Wed, Aug 19

4:25 pm - 6:55 am

BWI

SYD

24h 30m

2 stops

12:00 pm - 9:52 pm

SYD

BWI

23h 52m

2 stops

$1,188American Airlines

Wed, Aug 19 - Wed, Aug 26

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United Airlines flights from Baltimore to Sydney

Our best United Airlines deals on Baltimore to Sydney flight tickets

United Airlines

Aug 5

BWI3:03 pmBaltimore/Washington

25h 57m

2 stops

SYD7:00 amSydney Kingsford Smith

Aug 19

SYD9:30 amSydney Kingsford Smith

21h 05m

1 stop

BWI4:35 pmBaltimore/Washington

$1,187

United Airlines

Aug 3

BWI6:59 pmBaltimore/Washington

21h 56m

1 stop

SYD6:55 amSydney Kingsford Smith

Sep 2

SYD9:30 amSydney Kingsford Smith

21h 05m

1 stop

BWI4:35 pmBaltimore/Washington

$1,188

United Airlines

Aug 3

BWI8:30 amBaltimore/Washington

32h 25m

2 stops

SYD6:55 amSydney Kingsford Smith

Sep 2

SYD9:30 amSydney Kingsford Smith

24h 04m

2 stops

BWI7:34 pmBaltimore/Washington

$1,192

American Airlines flights from Baltimore to Sydney

Our best American Airlines deals on Baltimore to Sydney flight tickets

American Airlines

Jul 26

BWI7:17 pmBaltimore/Washington

21h 38m

1 stop

SYD6:55 amSydney Kingsford Smith

Aug 23

SYD12:00 pmSydney Kingsford Smith

25h 41m

1 stop

BWI11:41 pmBaltimore/Washington

$1,184

American Airlines

Aug 19

BWI4:25 pmBaltimore/Washington

24h 30m

2 stops

SYD6:55 amSydney Kingsford Smith

Aug 26

SYD12:00 pmSydney Kingsford Smith

23h 52m

2 stops

BWI9:52 pmBaltimore/Washington

$1,188

American Airlines

Jul 26

BWI7:17 pmBaltimore/Washington

21h 38m

1 stop

SYD6:55 amSydney Kingsford Smith

Aug 16

SYD12:00 pmSydney Kingsford Smith

22h 40m

2 stops

BWI8:40 pmBaltimore/Washington

$1,189

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 8/17

3:55 pm-6:55 am

1 stop25h 00m

Sydney Kingsford Smith

Mon 8/24

12:00 pm-11:41 pm

1 stop25h 41m

$1,155

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 8/19

3:55 pm-6:55 am

1 stop25h 00m

Sydney Kingsford Smith

Wed 8/26

12:00 pm-9:34 pm

1 stop23h 34m

$1,167

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 8/3

3:46 pm-6:55 am

1 stop25h 09m

Sydney Kingsford Smith

Mon 8/24

12:00 pm-11:41 pm

1 stop25h 41m

$1,172

Quickest round-trip

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 8/2

7:17 pm-6:55 am

1 stop21h 38m

Sydney Kingsford Smith

Sun 8/23

12:00 pm-7:29 pm

1 stop21h 29m

$1,175

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 8/9

3:03 pm-7:00 am

2 stops25h 57m

Sydney Kingsford Smith

Tue 8/18

10:20 am-5:40 pm

1 stop21h 20m

$1,177

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 8/3

3:46 pm-6:55 am

1 stop25h 09m

Sydney Kingsford Smith

Wed 9/2

12:00 pm-9:34 pm

1 stop23h 34m

$1,183

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 8/2

7:17 pm-6:55 am

1 stop21h 38m

Sydney Kingsford Smith

Sun 8/16

12:00 pm-11:41 pm

1 stop25h 41m

$1,184

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 8/3

7:17 pm-6:55 am

1 stop21h 38m

Sydney Kingsford Smith

Wed 9/2

12:00 pm-9:34 pm

1 stop23h 34m

$1,185

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 8/5

3:03 pm-7:00 am

2 stops25h 57m

Sydney Kingsford Smith

Wed 8/19

9:30 am-4:35 pm

1 stop21h 05m

$1,187

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 8/19

4:25 pm-6:55 am

2 stops24h 30m

Sydney Kingsford Smith

Wed 8/26

12:00 pm-9:52 pm

2 stops23h 52m

$1,188

Flights are sorted by cheapest round-trip 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 $1,367 to $1,852.
The lowest price recently found on this route was $1,155.

What is the cheapest month to fly to Sydney?

In general, September is the cheapest month to fly from Baltimore to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $875. If you are unable to visit Sydney during the month of September, then departing from Baltimore during the month April is also very affordable. Most momondo users find prices during this month for around $1,195.

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 $1,440 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Baltimore for as low as $943 on momondo.

Can stopping save me money on Baltimore to Sydney flights?

You could potentially save up to 4% 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 round-trip 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 56m
Direct flights	None

The fastest flight from Baltimore to Sydney takes 21h 56m

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

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Frequently asked questions about flying from Baltimore to Sydney

How far is Baltimore/Washington to Sydney Kingsford Smith by plane?
The distance between Baltimore/Washington and Sydney Kingsford Smith is about 9781.6 mi. Typically, this will take 21h 56m by plane in normal conditions.
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 refresh daily.
How many operators does momondo search for flights from Baltimore/Washington Airport to Sydney Kingsford Smith Airport?
As of July 2026, there are 5 operators 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
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 47% of the total bookings. Other popular airlines include Qantas Airways with 30%, American Airlines with 9%, and Delta with 8%.

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
Delta	PriceFrom $282	Free Cancellation	Rating 7.8 8,493 reviews	Search Delta flights
Qantas Airways	PriceFrom $787	Free Cancellation	Rating 7.5 1,067 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $987	Free Cancellation	Rating 7.4 10,035 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,233	Free Cancellation	Rating 7.1 11,852 reviews	Search American Airlines flights
Air New Zealand	PriceFrom $1,294	Free Cancellation	Rating 8.0 654 reviews	Search Air New Zealand flights

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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sydney from Baltimore.

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

All flight searches from Baltimore to Sydney on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Baltimore to Sydney flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Baltimore to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Baltimore to Sydney from $572

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to Sydney departing on 9/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Baltimore to Sydney

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How to get the cheapest flight ticket from Baltimore to Sydney

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

What is the cheapest month to fly to Sydney?

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

Can stopping save me money on Baltimore to Sydney flights?

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

What airlines fly to Sydney?

When to book flights from Baltimore to Sydney

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

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Frequently asked questions about flying from Baltimore to Sydney

Best airlines flying from Baltimore to Sydney

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

Traveling to a place near Sydney?

Why use momondo?

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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