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Cheap flights from Baltimore to Sydney from $749

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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SYD
1 Mar — 8 Mar1
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 30 January 2026.

Mon 11/512:30
BWI
-
SYD
3 stops33h 25m
Multiple Airlines
Tue 19/513:15
SYD
-
BWI
3 stops34h 42m
Multiple Airlines
Deal found 29/1$1,717
Fri 1/512:30
BWI
-
SYD
3 stops33h 15m
Multiple Airlines
Fri 15/513:15
SYD
-
BWI
3 stops34h 42m
Multiple Airlines
Deal found 29/1$1,745
Fri 13/1115:23
BWI
-
SYD
1 stop23h 32m
Qantas Airways
Fri 20/1106:00
SYD
-
BWI
2 stops24h 30m
Qantas Airways
Deal found 28/1$1,766
Mon 9/215:41
BWI
-
SYD
2 stops27h 14m
Qantas Airways
Tue 17/313:05
SYD
-
BWI
1 stop24h 54m
Qantas Airways
Deal found 28/1$1,782
Fri 27/215:21
BWI
-
SYD
1 stop23h 34m
Qantas Airways
Fri 6/306:05
SYD
-
BWI
2 stops28h 13m
Qantas Airways
Deal found 28/1$1,793
Fri 27/215:21
BWI
-
SYD
1 stop23h 34m
Qantas Airways
Mon 9/317:00
SYD
-
BWI
2 stops36h 32m
Qantas Airways
Deal found 28/1$1,796
Sun 1/315:21
BWI
-
SYD
2 stops28h 54m
Qantas Airways
Wed 11/313:05
SYD
-
BWI
1 stop20h 08m
Qantas Airways
Deal found 28/1$1,797
Wed 25/215:21
BWI
-
SYD
1 stop23h 34m
Qantas Airways
Wed 4/306:05
SYD
-
BWI
2 stops32h 54m
Qantas Airways
Deal found 28/1$1,812
Thu 26/215:21
BWI
-
SYD
2 stops33h 29m
Qantas Airways
Wed 11/313:05
SYD
-
BWI
1 stop24h 54m
Qantas Airways
Deal found 29/1$1,854
Sat 21/215:20
BWI
-
SYD
1 stop23h 35m
Qantas Airways
Tue 17/306:05
SYD
-
BWI
2 stops31h 54m
Qantas Airways
Deal found 28/1$1,864
Thu 5/215:41
BWI
-
SYD
1 stop23h 14m
Qantas Airways
Thu 5/321:55
SYD
-
BWI
2 stops32h 35m
Qantas Airways
Deal found 28/1$1,867

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 30 January 2026.

Round-trip from

$1,717

One-way from

$749

Popular in

December

Cheapest in

September

Average price

$2,107
11/5-19/5
  • 11/5-19/5
  • 6 total stops
  • 68h 07m total
  • Baltimore to Sydney
Search Deals
25/3
  • 25/3
  • 3 total stops
  • 53h 30m total
  • Baltimore to Sydney
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($246 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($49 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 30 January 2026.
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

Fri 1/5

12:30-11:45

3 stops33h 15m

Sydney Kingsford Smith

Fri 15/5

13:15-09:57

3 stops34h 42m

$1,745

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 16/3

19:03-20:50

2 stops34h 47m

Sydney Kingsford Smith

Mon 23/3

13:05-22:59

1 stop24h 54m

$1,880

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 16/3

06:13-08:45

2 stops35h 32m

Sydney Kingsford Smith

Mon 23/3

07:45-05:05

2 stops36h 20m

$1,894

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 16/3

15:21-06:55

1 stop24h 34m

Sydney Kingsford Smith

Mon 23/3

13:05-18:13

1 stop20h 08m

$1,938

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 12/5

15:50-06:55

1 stop25h 05m

Sydney Kingsford Smith

Tue 26/5

12:00-19:22

1 stop21h 22m

$1,938

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 1/3

15:21-14:50

2 stops31h 29m

Sydney Kingsford Smith

Wed 4/3

06:05-14:30

2 stops24h 25m

$1,942

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 22/4

18:15-06:55

1 stop22h 40m

Sydney Kingsford Smith

Tue 5/5

09:30-17:08

1 stop21h 38m

$1,959

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 8/2

18:34-09:15

1 stop22h 41m

Sydney Kingsford Smith

Wed 8/4

09:30-17:08

1 stop21h 38m

$1,959

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 9/2

12:25-07:00

1 stop26h 35m

Sydney Kingsford Smith

Wed 8/4

10:20-17:13

1 stop20h 53m

$1,959

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 8/2

15:52-07:00

1 stop23h 08m

Sydney Kingsford Smith

Tue 7/4

09:30-21:23

2 stops25h 53m

$1,959

Flights are sorted by cheapest return flights first.

Deals found on 29/1

Showing 1-10 of 22 results
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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 23 January 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 $194). Flying from Baltimore to Sydney in May is currently the most expensive (average of $1,185). 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.

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 30 January 2026.
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.
United Airlines
7.4
Good
9,215 reviews
Check prices

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,215 reviews
United Airlines
7.4
Good
9,215 reviews
Check prices

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 Qantas Airways, Air New Zealand, and American Airlines fly from Baltimore to Sydney in about 24h 34m. The time it takes to get you to your destination can typically vary by up to 10h 58m. The distance from Baltimore to Sydney is about 15741 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 $2,057.

  • 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 $194). Flying from Baltimore to Sydney in May is currently the most expensive (average of $1,185). 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
Manly
Katoomba
Terrigal
Lithgow
Leura
Coogee
Cronulla
Randwick
Bondi Beach

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
Reagan-National to Sydney flights
Philadelphia to Sydney flights
Dulles Intl to Coolangatta flights

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 30 January 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$2,057Average$2,209FlexibilityNo 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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