Cheap flights from Baltimore to Sydney from $668

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 25/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Find the cheapest flights from Baltimore to Sydney

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
18:16 - 18:50
BWI
-
SYD
34h 34m
2 stops
Multiple Airlines Logo
20:45 - 15:34
SYD
-
BWI
32h 49m
2 stops
$1,896Multiple Airlines
Tue, 1 Sep - Tue, 15 Sep
Qantas Airways Logo
19:17 - 06:55
BWI
-
SYD
21h 38m
1 stop
Qantas Airways Logo
12:00 - 23:09
SYD
-
BWI
25h 09m
1 stop
$1,903Qantas Airways
Sun, 10 May - Tue, 19 May
Qantas Airways Logo
19:10 - 06:55
BWI
-
SYD
21h 45m
1 stop
Qantas Airways Logo
12:00 - 19:27
SYD
-
BWI
21h 27m
1 stop
$1,928Qantas Airways
Wed, 9 Sep - Wed, 16 Sep
United Airlines Logo
18:59 - 06:55
BWI
-
SYD
21h 56m
1 stop
United Airlines Logo
10:20 - 17:57
SYD
-
BWI
21h 37m
1 stop
$1,961United Airlines
Wed, 3 Jun - Wed, 10 Jun
Qantas Airways Logo
19:16 - 06:55
BWI
-
SYD
21h 39m
1 stop
Qantas Airways Logo
12:00 - 19:28
SYD
-
BWI
21h 28m
1 stop
$1,963Qantas Airways
Tue, 28 Jul - Sun, 23 Aug
Qantas Airways Logo
14:59 - 06:55
BWI
-
SYD
25h 56m
1 stop
Qantas Airways Logo
12:00 - 23:44
SYD
-
BWI
25h 44m
1 stop
$1,964Qantas Airways
Wed, 3 Jun - Wed, 24 Jun
Qantas Airways Logo
14:59 - 06:55
BWI
-
SYD
25h 56m
1 stop
Qantas Airways Logo
12:00 - 19:28
SYD
-
BWI
21h 28m
1 stop
$1,966Qantas Airways
Mon, 29 Jun - Sun, 23 Aug
American Airlines Logo
15:47 - 06:55
BWI
-
SYD
25h 08m
1 stop
American Airlines Logo
12:00 - 19:28
SYD
-
BWI
21h 28m
1 stop
$1,971American Airlines
Sun, 26 Jul - Sun, 16 Aug
Multiple Airlines Logo
19:16 - 06:55
BWI
-
SYD
21h 39m
1 stop
Multiple Airlines Logo
12:00 - 19:27
SYD
-
BWI
21h 27m
1 stop
$1,973Multiple Airlines
Tue, 4 Aug - Sun, 27 Sep
American Airlines Logo
15:47 - 06:55
BWI
-
SYD
25h 08m
1 stop
American Airlines Logo
12:00 - 19:19
SYD
-
BWI
21h 19m
1 stop
$1,974American Airlines
Wed, 8 Jul - Wed, 29 Jul

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Qantas Airways flights from Baltimore to Sydney

Our best Qantas Airways deals on Baltimore to Sydney flight tickets
Qantas Airways
9 Sept
BWI19:10Baltimore/Washington
21h 45m
1 stop
SYD06:55Sydney Kingsford Smith
16 Sept
SYD12:00Sydney Kingsford Smith
21h 27m
1 stop
BWI19:27Baltimore/Washington
$1,928
Qantas Airways
28 July
BWI19:16Baltimore/Washington
21h 39m
1 stop
SYD06:55Sydney Kingsford Smith
23 Aug
SYD12:00Sydney Kingsford Smith
21h 28m
1 stop
BWI19:28Baltimore/Washington
$1,963
Qantas Airways
4 Aug
BWI19:16Baltimore/Washington
21h 39m
1 stop
SYD06:55Sydney Kingsford Smith
27 Sept
SYD12:00Sydney Kingsford Smith
21h 27m
1 stop
BWI19:27Baltimore/Washington
$1,964

American Airlines flights from Baltimore to Sydney

Our best American Airlines deals on Baltimore to Sydney flight tickets
American Airlines
26 July
BWI15:47Baltimore/Washington
25h 08m
1 stop
SYD06:55Sydney Kingsford Smith
16 Aug
SYD12:00Sydney Kingsford Smith
21h 28m
1 stop
BWI19:28Baltimore/Washington
$1,971
American Airlines
8 July
BWI15:47Baltimore/Washington
25h 08m
1 stop
SYD06:55Sydney Kingsford Smith
29 July
SYD12:00Sydney Kingsford Smith
21h 19m
1 stop
BWI19:19Baltimore/Washington
$1,974
American Airlines
22 Apr
BWI16:11Baltimore/Washington
24h 54m
2 stops
SYD07:05Sydney Kingsford Smith
6 May
SYD12:00Sydney Kingsford Smith
25h 09m
1 stop
BWI23:09Baltimore/Washington
$1,977

momondo Fare Finder

 
Customise your flight search to find flights from Baltimore to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 20 April 2026.
Use the filters below to find and compare flights from Baltimore to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 1/9

18:16-18:50

2 stops34h 34m

Sydney Kingsford Smith

Tue 15/9

20:45-15:34

2 stops32h 49m

$1,896

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 10/5

19:17-06:55

1 stop21h 38m

Sydney Kingsford Smith

Tue 19/5

12:00-23:09

1 stop25h 09m

$1,903

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 9/9

19:10-06:55

1 stop21h 45m

Sydney Kingsford Smith

Wed 16/9

12:00-19:27

1 stop21h 27m

$1,928

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 3/6

18:59-06:55

1 stop21h 56m

Sydney Kingsford Smith

Wed 10/6

10:20-17:57

1 stop21h 37m

$1,961

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 28/7

19:16-06:55

1 stop21h 39m

Sydney Kingsford Smith

Sun 23/8

12:00-19:28

1 stop21h 28m

$1,963

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 3/6

14:59-06:55

1 stop25h 56m

Sydney Kingsford Smith

Wed 24/6

12:00-23:44

1 stop25h 44m

$1,964

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 29/6

14:59-06:55

1 stop25h 56m

Sydney Kingsford Smith

Sun 23/8

12:00-19:28

1 stop21h 28m

$1,966

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 26/7

15:47-06:55

1 stop25h 08m

Sydney Kingsford Smith

Sun 16/8

12:00-19:28

1 stop21h 28m

$1,971
Fastest return journey

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 4/8

19:16-06:55

1 stop21h 39m

Sydney Kingsford Smith

Sun 27/9

12:00-19:27

1 stop21h 27m

$1,973

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 8/7

15:47-06:55

1 stop25h 08m

Sydney Kingsford Smith

Wed 29/7

12:00-19:19

1 stop21h 19m

$1,974

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sydney from

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

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 $1,417. 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 $1,667.

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 $1,985 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 $1,282 on momondo.

Can stopping save me money on Baltimore to Sydney flights?

You could potentially save up to 22% 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 45m

Direct flights

None
The fastest flight from Baltimore to Sydney takes 21h 45m
There are no direct flights from Baltimore to Sydney. There are no popular flight routes from Baltimore to Sydney.

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 45m.

  • 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 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.

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
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.

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1 adult
Wed 20/5
Wed 27/5

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