Cheap flights from Baltimore to Sydney from $663

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SYD
19 Aug — 26 Aug1
1 adult

Cheap 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 14 August 2025.

Round-trip from

$1,602

One-way from

$755

Popular in

December

Cheapest in

September

Average price

$2,045
1/9-15/10
  • 1/9-15/10
  • 4 total stops
  • 60h 38m total
  • Baltimore to Sydney
16/9
  • 16/9
  • 2 total stops
  • 42h 55m total
  • Baltimore to Sydney
Highest demand for flights based on searches. 19% potential increase in price ($900 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease ($167 potential savings vs. average return price).
Average for round-trip flights in August 2025

Find flight deals from Baltimore to Sydney

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 14 August 2025.

Mon 1/906:10BWI - SYD
2 stops34h 55mMultiple Airlines
Wed 15/1013:10SYD - BWI
2 stops25h 43mMultiple Airlines
Deal found 12/8$1,602
Mon 17/1115:23BWI - SYD
1 stop23h 32mQantas Airways
Wed 26/1121:55SYD - BWI
2 stops32h 18mQantas Airways
Deal found 14/8$1,672
Sun 30/1115:23BWI - SYD
2 stops38h 07mQantas Airways
Wed 10/1214:20SYD - BWI
1 stop24h 06mQantas Airways
Deal found 13/8$1,687
Tue 11/1115:23BWI - SYD
2 stops39h 02mQantas Airways
Sun 23/1114:20SYD - BWI
1 stop24h 34mQantas Airways
Deal found 12/8$1,695
Mon 10/1115:23BWI - SYD
1 stop23h 32mQantas Airways
Sun 23/1107:20SYD - BWI
2 stops23h 10mQantas Airways
Deal found 12/8$1,701
Mon 3/1105:35BWI - SYD
2 stops35h 10mMultiple Airlines
Mon 10/1111:45SYD - BWI
3 stops28h 09mMultiple Airlines
Deal found 13/8$1,703
Thu 4/1215:24BWI - SYD
1 stop23h 31mQantas Airways
Sat 20/1221:55SYD - BWI
2 stops32h 11mQantas Airways
Deal found 11/8$1,704
Mon 3/1105:35BWI - SYD
2 stops35h 10mMultiple Airlines
Sun 16/1113:55SYD - BWI
3 stops33h 28mMultiple Airlines
Deal found 12/8$1,710
Mon 3/1115:23BWI - SYD
1 stop23h 32mQantas Airways
Mon 10/1121:55SYD - BWI
2 stops41h 07mQantas Airways
Deal found 13/8$1,713
Mon 13/1007:50BWI - SYD
3 stops35h 45mMultiple Airlines
Sun 26/1013:55SYD - BWI
2 stops31h 39mMultiple Airlines
Deal found 12/8$1,742
Thu 20/1115:23BWI - SYD
1 stop23h 32mQantas Airways
Thu 27/1106:05SYD - BWI
2 stops24h 08mQantas Airways
Deal found 13/8$1,748

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 14 August 2025.
Use the filters below to find and compare flights from Baltimore to Sydney that are best for you.

Fly from

Baltimore

Fly to

Sydney

Route

Depart

Return

Price

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 11/11

15:23-21:55

2 stops38h 32m

Sydney Kingsford Smith

Sun 23/11

14:20-18:17

1 stop19h 57m

$1,695

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 9/2

15:22-10:55

2 stops27h 33m

Sydney Kingsford Smith

Sun 22/2

14:20-18:11

1 stop19h 51m

$1,696

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Thu 20/11

15:23-21:30

2 stops38h 07m

Sydney Kingsford Smith

Fri 28/11

14:20-22:25

1 stop24h 05m

$1,696

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sat 15/11

15:23-13:55

2 stops30h 32m

Sydney Kingsford Smith

Mon 24/11

14:20-22:54

1 stop24h 34m

$1,696

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sat 24/1

15:22-10:55

2 stops27h 33m

Sydney Kingsford Smith

Mon 2/2

14:20-22:23

1 stop24h 03m

$1,696

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 8/12

15:24-06:55

1 stop23h 31m

Sydney Kingsford Smith

Sun 21/12

07:05-18:10

2 stops27h 05m

$1,701

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Thu 20/11

15:23-06:55

1 stop23h 32m

Sydney Kingsford Smith

Mon 1/12

21:55-18:17

2 stops36h 22m

$1,704

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 26/1

15:22-06:55

1 stop23h 33m

Sydney Kingsford Smith

Mon 16/2

21:55-18:11

2 stops36h 16m

$1,704

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 20/10

07:50-08:45

3 stops33h 55m

Sydney Kingsford Smith

Sun 2/11

11:45-07:35

2 stops34h 50m

$1,710

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 10/11

15:23-06:55

1 stop23h 32m

Sydney Kingsford Smith

Sun 23/11

07:05-14:30

2 stops23h 25m

$1,710

Flights are sorted by cheapest return flights first.

Deals found on 10/8

Showing 1-10 of 19 results
1
2

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 8 August 2025.

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, May is the cheapest month in which you can book a flight from Baltimore to Sydney (average of $129). Flying from Baltimore to Sydney in October is currently the most expensive (average of $171). 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.

What’s the top stopover airport for flights from Baltimore to Sydney?

Share of one-stop return flights from Baltimore to Sydney chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Los Angeles (LAX) – chosen by Cheapflights users on 50% of one-stop itineraries from Baltimore to Sydney on Cheapflights.

What’s the cheapest stopover airport for flights from Baltimore to Sydney?

Average return fare for one-stop flights from Baltimore to Sydney, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

San Francisco (SFO) is the most affordable one-stop option, with an average return flight price of $1,771.

What’s the fastest stopover option from Baltimore to Sydney?

Shortest average travel time for one-stop one-way flights from Baltimore to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via San Francisco (SFO) have the shortest average one-way travel time for one-stop routes: 21h 55m.

Which airport typically offers the quickest stopover for flights from Baltimore to Sydney?

Average stopover duration for one-stop one-way flights from Baltimore to Sydney, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via San Francisco (SFO) offer the fastest connection on this route, with an average stopover time of 1h 43m.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 14 August 2025.
Get a feel of what it's like to fly with United Airlines from Baltimore to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.
  • What is the cheapest airline to fly from Baltimore to Sydney round-trip?

    Cheapflights users have booked flights from Baltimore to Sydney round-trip from $1,687. Qantas Airways is 28% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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, May is the cheapest month in which you can book a flight from Baltimore to Sydney (average of $129). Flying from Baltimore to Sydney in October is currently the most expensive (average of $171). 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
Katoomba
Penrith
Coogee
Manly
Terrigal
Cronulla
Lithgow
Bondi Beach
Randwick
Leura

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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.

Top airline flying from Baltimore to Sydney

Discover the top airline that operate flights from Baltimore to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 14 August 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,771Average$2,446FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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