$474+ Cheap flights from Baltimore (BWI) to Sydney (SYD)
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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Baltimore to Sydney with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Baltimore/Washington to Sydney Kingsford Smith are usually found in September or March, booked 65 days in advance, depart on a Sunday or Thursday and return on a Tuesday
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 agosto 18, 2025.
Round-trip from | $1,021 (Trip.com) |
|---|---|
One-way from | $474 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $1,338 |
Find flight deals from Baltimore to Sydney
Cheapest flights from Baltimore to SydneyExplore 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 agosto 18, 2025.
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 agosto 18, 2025.
This Trip.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Trip.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This FlightHub deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CheapTickets deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gurufare deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Ovago deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
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
BaltimoreSydney
BWI - SYD
BWISYD
Baltimore/Washington
lun. 9/15
5:45 am-8:45 am
2 stops37h 00m
Sydney Kingsford Smith
mar. 9/30
8:55 am-7:01 am
2 stops36h 06m
BaltimoreSydney
BWI - SYD
BWISYD
Baltimore/Washington
dom. 10/19
10:15 am-7:30 am
2 stops30h 15m
Sydney Kingsford Smith
sáb. 11/1
1:20 pm-12:02 am
2 stops25h 42m
BaltimoreSydney
BWI - SYD
BWISYD
Baltimore/Washington
mar. 9/30
5:45 am-7:05 am
1 stop35h 20m
Sydney Kingsford Smith
mar. 10/7
6:45 pm-10:28 am
2 stops30h 43m
BaltimoreSydney
BWI - SYD
BWISYD
Baltimore/Washington
mar. 11/11
3:23 pm-9:55 pm
2 stops38h 32m
Sydney Kingsford Smith
dom. 11/23
2:20 pm-10:54 pm
1 stop24h 34m
BaltimoreSydney
BWI - SYD
BWISYD
Baltimore/Washington
vie. 10/31
1:27 pm-9:55 pm
2 stops41h 28m
Sydney Kingsford Smith
sáb. 11/8
2:20 pm-11:02 pm
1 stop24h 42m
BaltimoreSydney
BWI - SYD
BWISYD
Baltimore/Washington
sáb. 11/8
3:23 pm-1:55 pm
2 stops30h 32m
Sydney Kingsford Smith
sáb. 11/15
2:20 pm-11:02 pm
1 stop24h 42m
BaltimoreSydney
BWI - SYD
BWISYD
Baltimore/Washington
lun. 11/10
3:23 pm-6:55 am
1 stop23h 32m
Sydney Kingsford Smith
dom. 11/23
7:05 am-2:30 pm
2 stops23h 25m
BaltimoreSydney
BWI - SYD
BWISYD
Baltimore/Washington
lun. 10/20
7:50 am-10:35 am
3 stops35h 45m
Sydney Kingsford Smith
dom. 11/2
1:55 pm-7:35 am
2 stops32h 40m
BaltimoreSydney
BWI - SYD
BWISYD
Baltimore/Washington
mar. 9/23
5:45 am-2:40 pm
2 stops42h 55m
BaltimoreSydney
BWI - SYD
BWISYD
Baltimore/Washington
vie. 9/12
9:59 pm-2:40 pm
3 stops50h 41m
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.
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 round-trip flight from Baltimore to Sydney. Price data was last updated on August 8, 2025.
The best time to book flights from Baltimore to Sydney is 65 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Baltimore to Sydney?
Currently, February is the cheapest month in which you can book a flight from Baltimore to Sydney (average of $1,031). Flying from Baltimore to Sydney in December is currently the most expensive (average of $1,619). 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 is the cheapest time of day to fly from BWI to SYD?
Find hourly flight availability from Baltimore to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 18, 2025.
Unlike in the evening, when flights are generally more expensive, you can save up to 28% on flights from Baltimore to Sydney by exploring options for tickets in the morning.
How much does it cost to fly round-trip from Baltimore to Sydney?
What’s the top layover airport for flights from Baltimore to Sydney?
Share of 1-stop round-trip flights from Baltimore to Sydney chosen by Cheapflights users in the past 12 months, using the same layover each way.
San Francisco (SFO) – chosen by Cheapflights users on 67% of 1-stop itineraries from Baltimore to Sydney on Cheapflights.
What’s the cheapest layover airport for flights from Baltimore to Sydney?
Average round-trip fare for 1-stop flights from Baltimore to Sydney, chosen by Cheapflights users in the past 12 months, with the same layover each way.
San Francisco (SFO) is the most affordable 1-stop option, with an average round-trip price of $1,721.
What’s the fastest layover option from Baltimore to Sydney?
Shortest average travel time for 1-stop one-way flights from Baltimore to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via San Francisco (SFO) have the shortest average one-way travel time for 1-stop routes: 22h 21m.
Which airport typically offers the quickest layover for flights from Baltimore to Sydney?
Average layover duration for 1-stop one-way flights from Baltimore to Sydney, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Houston (IAH) offer the fastest connection on this route, with an average layover time of 1h 47m.
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 agosto 18, 2025.
Read reviews from past customers who have flown Delta, Qantas Airways, and United Airlines from Baltimore to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Food
Comfort
Boarding
Crew
Overall
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Food
Comfort
Boarding
Crew
Overall
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Food
Comfort
Boarding
Crew
Overall
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Food
Comfort
Boarding
Crew
Overall
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Food
Comfort
Boarding
Crew
Overall
Reviews
Kim,May 2025
PIH - SLC
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.
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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 4 airlines flying from Baltimore to Sydney
Discover the top 4 airlines 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 2,558,603 searches. Data last updated agosto 18, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$276 | Average$1,620 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$858 | Average$1,476 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$956 | Average$1,544 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,198 | Average$1,563 | FlexibilityNo cancel fee | On-time69% |