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Cheap flights from Baltimore to Sydney from $703

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SYD
12 May — 19 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Baltimore to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Baltimore to Sydney
Explore the most affordable flight options available from Baltimore to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 April 2026.

Wed 26/807:50
BWI
-
SYD
2 stops33h 40m
Alaska Airlines
Tue 8/917:50
SYD
-
BWI
2 stops35h 44m
Alaska Airlines
Deal found 11/4$2,021
Mon 21/907:50
BWI
-
SYD
2 stops33h 40m
Alaska Airlines
Tue 13/1018:50
SYD
-
BWI
2 stops37h 21m
Alaska Airlines
Deal found 8/4$2,055
Tue 26/519:35
BWI
-
SYD
2 stops33h 15m
Multiple Airlines
Tue 2/620:45
SYD
-
BWI
2 stops32h 32m
Multiple Airlines
Deal found 11/4$2,092
Tue 26/519:10
BWI
-
SYD
1 stop21h 45m
Qantas Airways
Tue 2/612:00
SYD
-
BWI
1 stop21h 20m
Qantas Airways
Deal found 11/4$2,137
Tue 4/807:50
BWI
-
SYD
2 stops33h 40m
Alaska Airlines
Tue 18/817:50
SYD
-
BWI
2 stops35h 44m
Alaska Airlines
Deal found 9/4$2,146
Tue 4/818:07
BWI
-
SYD
2 stops34h 43m
Multiple Airlines
Tue 18/820:45
SYD
-
BWI
2 stops32h 49m
Multiple Airlines
Deal found 11/4$2,185
Sun 9/819:10
BWI
-
SYD
1 stop21h 45m
Qantas Airways
Sun 23/812:00
SYD
-
BWI
1 stop21h 27m
Qantas Airways
Deal found 8/4$2,192
Mon 27/419:17
BWI
-
SYD
1 stop21h 38m
Qantas Airways
Mon 11/512:00
SYD
-
BWI
1 stop25h 09m
Qantas Airways
Deal found 11/4$2,194
Tue 1/918:16
BWI
-
SYD
2 stops34h 34m
Multiple Airlines
Thu 17/920:45
SYD
-
BWI
3 stops32h 49m
Multiple Airlines
Deal found 8/4$2,200
Mon 27/419:17
BWI
-
SYD
1 stop21h 38m
Qantas Airways
Sun 10/512:00
SYD
-
BWI
1 stop20h 27m
Qantas Airways
Deal found 9/4$2,205

Find flight deals from Baltimore to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 April 2026.

Round-trip from

$2,021

One-way from

$703

Popular in

December

Cheapest in

September

Average price

$1,690
Alaska Airlines
  • Alaska Airlines
  • 26/8-8/9
  • 4 total stops
  • 69h 24m total
  • Baltimore to Sydney
Search Deals
9/5
  • 9/5
  • 2 total stops
  • 39h 56m total
  • Baltimore to Sydney
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($181 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($69 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights 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, Cheapflights users made 647,157 searches. Data last updated 12 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 4/8

15:03-07:00

2 stops25h 57m

Sydney Kingsford Smith

Sun 27/9

10:20-17:17

1 stop20h 57m

$2,215
Fastest return journey

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 18/5

18:35-07:00

1 stop22h 25m

Sydney Kingsford Smith

Sun 7/6

10:20-17:57

1 stop21h 37m

$2,215

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 12/5

16:12-06:55

2 stops24h 43m

Sydney Kingsford Smith

Tue 26/5

09:30-17:43

1 stop22h 13m

$2,215

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 2/8

15:03-07:00

2 stops25h 57m

Sydney Kingsford Smith

Sun 16/8

10:20-19:40

2 stops23h 20m

$2,222

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 23/9

16:34-18:50

3 stops36h 16m

Sydney Kingsford Smith

Fri 2/10

20:45-17:11

3 stops34h 26m

$2,272

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 21/7

11:35-06:50

2 stops29h 15m

Sydney Kingsford Smith

Fri 7/8

09:15-18:15

2 stops23h 00m

$2,293

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 1/6

16:23-06:55

2 stops24h 32m

Sydney Kingsford Smith

Thu 23/7

10:20-00:48

3 stops28h 28m

$2,293

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 1/6

11:50-06:50

2 stops29h 00m

Sydney Kingsford Smith

Thu 23/7

09:15-23:13

2 stops27h 58m

$2,296

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sat 1/8

18:59-06:55

1 stop21h 56m

Sydney Kingsford Smith

Mon 10/8

10:20-11:45

2 stops39h 25m

$2,316

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 26/8

07:50-07:30

2 stops33h 40m

Sydney Kingsford Smith

Sun 27/9

21:25-15:34

2 stops32h 09m

$2,347

Flights are sorted by cheapest return flights first.

Deals found on 11/4

Showing 1-10 of 18 resultsSorted by cheapest first
1
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Best time to book a flight from Baltimore to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Baltimore with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Baltimore to Sydney

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

Use this chart to determine the optimal time to book a return flight from Baltimore to Sydney. Price data was last updated on 10 April 2026.

Booking 65 days in advance of your planned departure date is, on average, the best time to get cheap flights from Baltimore to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Baltimore to Sydney?

Currently, August is the cheapest month in which you can book a flight from Baltimore to Sydney (average of $182). Flying from Baltimore to Sydney in March is currently the most expensive (average of $1,209). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Baltimore to Sydney?

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Baltimore to Sydney?

    Airlines like United Airlines fly from Baltimore to Sydney in about 25h 57m. The time it takes to get you to your destination can typically vary by up to . The distance from Baltimore to Sydney is about 15741 km.

  • Can I find deals for flights from Baltimore to Sydney that include hotel bookings?

    Yes. In addition to deals on Baltimore to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Baltimore to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to Sydney.

  • Can I find deals for business class flights from Baltimore to Sydney?

    Yes. Cheapflights offers flight deals from Baltimore to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Baltimore to Sydney?

    Currently, August is the cheapest month in which you can book a flight from Baltimore to Sydney (average of $182). Flying from Baltimore to Sydney in March is currently the most expensive (average of $1,209). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Penrith
Terrigal
Katoomba
Lithgow
Cronulla
Manly
Bondi Beach
Coogee
Leura
Randwick

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Baltimore to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Sydney flights
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Fly with Cheapflights

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How does Cheapflights help users find flights from Baltimore to Sydney?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Baltimore to Sydney. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Baltimore to Sydney?

Cheapflights helps you find that perfect flight to Sydney from Baltimore by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Baltimore to Sydney with no change fees?

Need flexible booking options for your flight to Sydney from Baltimore? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Baltimore to Sydney become cheaper?

Yes! Start tracking prices for Baltimore to Sydney flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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