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Cheap flights from Baltimore to Sydney from $859

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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SYD
8 Jan — 15 Jan1
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 9 December 2025.

Wed 10/1215:20BWI - SYD
1 stop23h 35mQantas Airways
Sat 10/121:55SYD - BWI
2 stops41h 23mQantas Airways
Deal found 8/12$1,640
Sun 7/1215:17BWI - SYD
2 stops31h 33mQantas Airways
Sun 14/1207:20SYD - BWI
2 stops23h 04mQantas Airways
Deal found 6/12$1,997
Wed 10/1215:20BWI - SYD
2 stops31h 05mQantas Airways
Tue 30/1206:20SYD - BWI
2 stops28h 00mQantas Airways
Deal found 8/12$2,175
Mon 8/1215:20BWI - SYD
2 stops48h 45mQantas Airways
Mon 15/1217:50SYD - BWI
2 stops36h 38mQantas Airways
Deal found 7/12$2,290
Tue 9/1215:20BWI - SYD
2 stops34h 20mQantas Airways
Tue 16/1219:15SYD - BWI
2 stops42h 02mQantas Airways
Deal found 8/12$2,383
Thu 11/1215:17BWI - SYD
1 stop23h 38mQantas Airways
Thu 18/1221:55SYD - BWI
2 stops36h 25mQantas Airways
Deal found 8/12$2,523

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 9 December 2025.

Round-trip from

$1,595

One-way from

$859

Popular in

March

Cheapest in

September

Average price

$2,728
3/2-14/2
  • 3/2-14/2
  • 4 total stops
  • 53h 30m total
  • Baltimore to Sydney
Search Deals
7/2
  • 7/2
  • 2 total stops
  • 33h 55m total
  • Baltimore to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($360 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($118 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 9 December 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

Wed 25/2

15:22-06:55

1 stop23h 33m

Sydney Kingsford Smith

Mon 23/3

13:05-18:13

1 stop20h 08m

$1,804

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Thu 5/2

15:41-06:55

1 stop23h 14m

Sydney Kingsford Smith

Thu 5/3

14:05-18:17

1 stop20h 12m

$1,804

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 2/2

15:41-06:55

1 stop23h 14m

Sydney Kingsford Smith

Tue 10/2

14:05-23:10

1 stop25h 05m

$1,804

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sat 14/2

15:22-06:55

1 stop23h 33m

Sydney Kingsford Smith

Sun 22/2

14:05-18:17

1 stop20h 12m

$1,804

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 26/1

18:34-09:15

1 stop22h 41m

Sydney Kingsford Smith

Sun 8/2

14:00-22:25

2 stops24h 25m

$1,813

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 26/5

16:15-07:00

2 stops24h 45m

Sydney Kingsford Smith

Tue 2/6

09:30-20:57

2 stops25h 27m

$1,828

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 21/1

15:52-07:00

1 stop23h 08m

Sydney Kingsford Smith

Wed 28/1

11:50-16:06

1 stop20h 16m

$1,828

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 1/3

18:25-09:15

1 stop22h 50m

Sydney Kingsford Smith

Sun 8/3

11:50-21:30

1 stop25h 40m

$1,828

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 15/3

17:04-09:15

2 stops25h 11m

Sydney Kingsford Smith

Sun 22/3

10:20-17:23

1 stop22h 03m

$1,828

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 1/4

18:18-08:00

1 stop22h 42m

Sydney Kingsford Smith

Tue 28/4

10:20-17:17

1 stop20h 57m

$1,828

Flights are sorted by cheapest return flights first.

Deals found on 7/12

Showing 1-10 of 18 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 5 December 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, August is the cheapest month in which you can book a flight from Baltimore to Sydney (average of $207). Flying from Baltimore to Sydney in May is currently the most expensive (average of $1,259). 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 9 December 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.
United Airlines
7.4
Good
9,089 reviews
Check prices

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,089 reviews
United Airlines
7.4
Good
9,089 reviews
Check prices

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 fly from Baltimore to Sydney in about 23h 33m. 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.

  • 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 $2,185. United Airlines is 4% 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, August is the cheapest month in which you can book a flight from Baltimore to Sydney (average of $207). Flying from Baltimore to Sydney in May is currently the most expensive (average of $1,259). 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
Terrigal
Manly
Randwick
Lithgow
Coogee
Leura
Bondi Beach
Cronulla

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 9 December 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$2,185Average$2,347FlexibilityNo 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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