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

United Airlines and Delta 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 June 2026, 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.

$879 Cheap Flights from Baltimore to Sydney in 2026

Q: 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 $2,179 to $1,943. The lowest price recently found on this route was $1,753.

Discover deals from 900+ travel sites with momondo.

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.

15:04 - 08:20

BWI

SYD

50h 16m

2 stops

10:20 - 19:40

SYD

BWI

24h 20m

2 stops

$1,753Air New Zealand

Tue, 13 Oct - Wed, 21 Oct

08:37 - 08:20

BWI

SYD

32h 43m

2 stops

10:20 - 23:44

SYD

BWI

28h 24m

2 stops

$1,792Air New Zealand

Tue, 6 Oct - Sat, 17 Oct

06:38 - 06:55

BWI

SYD

34h 17m

1 stop

10:20 - 11:47

SYD

BWI

39h 27m

2 stops

$1,877United Airlines

Mon, 29 Jun - Tue, 14 Jul

19:23 - 07:00

BWI

SYD

21h 37m

1 stop

09:30 - 16:35

SYD

BWI

21h 05m

1 stop

$1,881Air New Zealand

Sun, 9 Aug - Sun, 23 Aug

16:18 - 06:55

BWI

SYD

24h 37m

2 stops

10:20 - 17:40

SYD

BWI

21h 20m

1 stop

$1,882Air New Zealand

Mon, 31 Aug - Mon, 14 Sep

19:23 - 07:00

BWI

SYD

21h 37m

1 stop

09:30 - 17:43

SYD

BWI

22h 13m

1 stop

$1,884Air New Zealand

Sun, 26 Jul - Mon, 3 Aug

18:59 - 06:55

BWI

SYD

21h 56m

1 stop

09:30 - 17:43

SYD

BWI

22h 13m

1 stop

$1,885Air New Zealand

Mon, 27 Jul - Mon, 3 Aug

15:03 - 07:00

BWI

SYD

25h 57m

1 stop

09:30 - 16:35

SYD

BWI

21h 05m

1 stop

$1,887Air New Zealand

Sun, 9 Aug - Sun, 16 Aug

19:23 - 07:00

BWI

SYD

21h 37m

1 stop

09:30 - 16:35

SYD

BWI

21h 05m

1 stop

$1,894Air New Zealand

Sun, 9 Aug - Sun, 23 Aug

07:00 - 07:00

BWI

SYD

34h 00m

1 stop

09:30 - 16:37

SYD

BWI

21h 07m

1 stop

$1,895Air New Zealand

Tue, 4 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

13 Oct

BWI15:04Baltimore/Washington

50h 16m

2 stops

SYD08:20Sydney Kingsford Smith

21 Oct

SYD10:20Sydney Kingsford Smith

24h 20m

2 stops

BWI19:40Baltimore/Washington

$1,753

Air New Zealand

6 Oct

BWI08:37Baltimore/Washington

32h 43m

2 stops

SYD08:20Sydney Kingsford Smith

17 Oct

SYD10:20Sydney Kingsford Smith

28h 24m

2 stops

BWI23:44Baltimore/Washington

$1,792

Air New Zealand

31 Aug

BWI18:52Baltimore/Washington

22h 03m

1 stop

SYD06:55Sydney Kingsford Smith

14 Sept

SYD09:30Sydney Kingsford Smith

21h 05m

1 stop

BWI16:35Baltimore/Washington

$1,877

United Airlines flights from Baltimore to Sydney

Our best United Airlines deals on Baltimore to Sydney flight tickets

United Airlines

24 June

BWI15:03Baltimore/Washington

25h 57m

2 stops

SYD07:00Sydney Kingsford Smith

27 July

SYD10:20Sydney Kingsford Smith

21h 37m

1 stop

BWI17:57Baltimore/Washington

$1,901

United Airlines

9 Aug

BWI15:03Baltimore/Washington

25h 57m

2 stops

SYD07:00Sydney Kingsford Smith

23 Aug

SYD10:20Sydney Kingsford Smith

25h 09m

2 stops

BWI21:29Baltimore/Washington

$1,906

United Airlines

23 June

BWI15:03Baltimore/Washington

25h 52m

2 stops

SYD06:55Sydney Kingsford Smith

27 July

SYD09:30Sydney Kingsford Smith

22h 13m

1 stop

BWI17:43Baltimore/Washington

$1,908

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 13/10

15:04-08:20

2 stops50h 16m

Sydney Kingsford Smith

Wed 21/10

10:20-19:40

2 stops24h 20m

$1,753

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 6/10

08:37-08:20

2 stops32h 43m

Sydney Kingsford Smith

Sat 17/10

10:20-23:44

2 stops28h 24m

$1,792

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 29/6

06:38-06:55

1 stop34h 17m

Sydney Kingsford Smith

Tue 14/7

10:20-11:47

2 stops39h 27m

$1,877

Fastest return journey

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 9/8

19:23-07:00

1 stop21h 37m

Sydney Kingsford Smith

Sun 23/8

09:30-16:35

1 stop21h 05m

$1,881

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 31/8

16:18-06:55

2 stops24h 37m

Sydney Kingsford Smith

Mon 14/9

10:20-17:40

1 stop21h 20m

$1,882

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 26/7

19:23-07:00

1 stop21h 37m

Sydney Kingsford Smith

Mon 3/8

09:30-17:43

1 stop22h 13m

$1,884

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 27/7

18:59-06:55

1 stop21h 56m

Sydney Kingsford Smith

Mon 3/8

09:30-17:43

1 stop22h 13m

$1,885

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 9/8

15:03-07:00

1 stop25h 57m

Sydney Kingsford Smith

Sun 16/8

09:30-16:35

1 stop21h 05m

$1,887

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 9/8

19:23-07:00

1 stop21h 37m

Sydney Kingsford Smith

Sun 23/8

09:30-16:35

1 stop21h 05m

$1,894

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 4/8

07:00-07:00

1 stop34h 00m

Sydney Kingsford Smith

Sun 27/9

09:30-16:37

1 stop21h 07m

$1,895

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?

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 $1,241. If you aren’t able to travel to Sydney during the month of September, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $1,695.

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 $1,988 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 $1,304 on momondo.

Can stopping save me money on Baltimore to Sydney flights?

You could potentially save up to 13% 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

Fastest flight time	21h 39m
Direct flights	None

The fastest flight from Baltimore to Sydney takes 21h 39m

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 21h 39m.
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 June 2026, 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 $1,643	Free cancellation	Rating 7.4 9,815 reviews		Search United Airlines flights

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Manly

Coogee

Leura

Bondi Beach

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.