What is the cheapest airline that flies from Baltimore/Washington to Sydney Kingsford Smith?

Qantas Airways, United Airlines, and Air New Zealand are the most popular carriers operating from Baltimore/Washington to Sydney Kingsford Smith

When did momondo last update prices for flights from Baltimore/Washington Airport to Sydney Kingsford Smith Airport?

Prices for flights from Baltimore/Washington Airport to Sydney Kingsford Smith Airport are updated daily.

How many operators does momondo search for flights from Baltimore/Washington Airport to Sydney Kingsford Smith Airport?

As of July 2025, there is 1 operator available to choose from for flights from Baltimore/Washington Airport to Sydney Kingsford Smith Airport.

How old do you have to be to fly from Baltimore/Washington Airport to Sydney Kingsford Smith Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Baltimore/Washington Airport to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$834 Cheap Flights from Baltimore to Sydney in 2025

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Baltimore to Sydney

Round-trip

One-way

Last minute

Cheap return flights

05:35 - 07:20BWI-SYD

35h 45m2 stops

09:20 - 06:56SYD-BWI

35h 36m2 stops

$1,532

Find Deal

Sun, 7 Sep - Sun, 21 Sep

05:35 - 07:20BWI-SYD

35h 45m2 stops

09:20 - 06:56SYD-BWI

35h 36m2 stops

$1,537

Find Deal

Sun, 7 Sep - Sun, 21 Sep

09:57 - 07:20BWI-SYD

31h 23m3 stops

09:20 - 06:56SYD-BWI

35h 36m2 stops

$1,588

Find Deal

Sun, 7 Sep - Sun, 21 Sep

08:15 - 07:20BWI-SYD

33h 05m3 stops

09:20 - 06:56SYD-BWI

35h 36m2 stops

$1,591

Find Deal

Sun, 7 Sep - Sun, 21 Sep

15:24 - 06:55BWI-SYD

23h 31m1 stop

21:55 - 22:23SYD-BWI

40h 28m2 stops

$1,716Qantas Airways

Find Deal

Thu, 11 Dec - Sat, 20 Dec

15:23 - 06:55BWI-SYD

23h 32m1 stop

07:20 - 22:26SYD-BWI

31h 06m2 stops

$1,722Qantas Airways

Find Deal

Mon, 1 Dec - Sun, 14 Dec

16:20 - 07:00BWI-SYD

24h 40m2 stops

10:20 - 17:31SYD-BWI

21h 11m1 stop

$1,749United Airlines

Find Deal

Sun, 7 Sep - Sun, 21 Sep

18:55 - 07:00BWI-SYD

22h 05m1 stop

09:30 - 17:07SYD-BWI

21h 37m1 stop

$1,754United Airlines

Find Deal

Sun, 7 Sep - Sun, 21 Sep

13:32 - 06:55BWI-SYD

27h 23m1 stop

12:10 - 23:22SYD-BWI

25h 12m1 stop

$1,766American Airlines

Find Deal

Fri, 5 Sep - Fri, 19 Sep

13:32 - 06:55BWI-SYD

27h 23m1 stop

12:10 - 23:22SYD-BWI

25h 12m1 stop

$1,769American Airlines

Find Deal

Fri, 5 Sep - Fri, 19 Sep

Qantas Airways flights from Baltimore to Sydney

Our best Qantas Airways deals on Baltimore to Sydney flight tickets

Qantas Airways

11 Dec

BWI15:24Baltimore/Washington

23h 31m

1 stop

SYD06:55Sydney Kingsford Smith

20 Dec

SYD21:55Sydney Kingsford Smith

40h 28m

2 stops

BWI22:23Baltimore/Washington

$1,716

Find similar

Qantas Airways

1 Dec

BWI15:23Baltimore/Washington

23h 32m

1 stop

SYD06:55Sydney Kingsford Smith

14 Dec

SYD07:20Sydney Kingsford Smith

31h 06m

2 stops

BWI22:26Baltimore/Washington

$1,722

Find similar

Qantas Airways

11 Nov

BWI15:23Baltimore/Washington

23h 32m

1 stop

SYD06:55Sydney Kingsford Smith

23 Nov

SYD07:20Sydney Kingsford Smith

26h 53m

2 stops

BWI18:13Baltimore/Washington

$1,740

Find similar

United Airlines flights from Baltimore to Sydney

Our best United Airlines deals on Baltimore to Sydney flight tickets

United Airlines

7 Sept

BWI16:20Baltimore/Washington

24h 40m

2 stops

SYD07:00Sydney Kingsford Smith

21 Sept

SYD10:20Sydney Kingsford Smith

21h 11m

1 stop

BWI17:31Baltimore/Washington

$1,749

Find similar

United Airlines

7 Sept

BWI18:55Baltimore/Washington

22h 05m

1 stop

SYD07:00Sydney Kingsford Smith

21 Sept

SYD09:30Sydney Kingsford Smith

21h 37m

1 stop

BWI17:07Baltimore/Washington

$1,754

Find similar

United Airlines

5 Sept

BWI07:00Baltimore/Washington

34h 00m

1 stop

SYD07:00Sydney Kingsford Smith

19 Sept

SYD10:20Sydney Kingsford Smith

21h 11m

1 stop

BWI17:31Baltimore/Washington

$1,780

Find similar

How to get the cheapest flight ticket from Baltimore to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Sydney?

The month of August is, on average, the cheapest month to fly to Sydney from Baltimore, with most prices found around $1,977. If you aren’t able to travel to Sydney during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $2,023.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Tuesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $2,094. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $2,338.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the morning. momondo users have found flights departing from Baltimore to Sydney in the morning for as low as $2,122. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $2,943 on average. Flights to Sydney from Baltimore in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Baltimore when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,373 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Baltimore for as low as $1,418 on momondo.

When to book flights from Baltimore to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Baltimore to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Baltimore to Sydney (BWI to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Baltimore to Sydney

Best price found	$834
Fastest flight time	21h 28m
Direct flights	None
Airports in Sydney	1 airport

The best one-way flight to Sydney from Baltimore in the past 72 hours is $834. The best return flight deal from Baltimore to Sydney found on momondo in the last 72 hours is $1,532.

The fastest flight from Baltimore to Sydney takes 21h 28m

There are no direct flights from Baltimore to Sydney. Popular non-direct route for this connection is Baltimore/Washington Airport - Sydney Kingsford Smith Airport.

There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

Search flight deals

How far is Baltimore/Washington to Sydney Kingsford Smith by plane?
There are 15741.9 km between Baltimore/Washington and Sydney Kingsford Smith. By plane, this route typically takes 21h 28m.
When did momondo last update prices for flights from Baltimore/Washington Airport to Sydney Kingsford Smith Airport?
Prices for flights from Baltimore/Washington Airport to Sydney Kingsford Smith Airport are updated daily.
How many operators does momondo search for flights from Baltimore/Washington Airport to Sydney Kingsford Smith Airport?
As of July 2025, there is 1 operator available to choose from for flights from Baltimore/Washington Airport to Sydney Kingsford Smith Airport.
How old do you have to be to fly from Baltimore/Washington Airport to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Baltimore/Washington Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Baltimore to Sydney?
Based on momondo bookings for flights between Baltimore and Sydney, the leading airline is United Airlines, making up 100% of the total bookings.

Best airlines flying from Baltimore to Sydney

Compare and see reviews for airlines that fly from Baltimore to Sydney with momondo

Airline	Rating	Free cancellation	Price
United Airlines	PriceFrom $2,227	Free cancellation	Rating 7.4 8,858 reviews		Search United Airlines flights

Wollongong

Parramatta

Terrigal

Katoomba

Lithgow

Penrith

Leura

Manly

Bondi Beach

Coogee

Randwick

Cronulla

Charlestown

Newport

Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Baltimore to Sydney?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Baltimore to Sydney for you.

Can I find flights from Baltimore to Sydney with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Baltimore to Sydney flights to just show those with flexible booking policies.

How can momondo help me find flights from Baltimore to Sydney?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Baltimore.

I’m not ready to book a flight from Baltimore to Sydney right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Baltimore to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.