Cheap flights from Baltimore (BWI) to Sydney (SYD) from $839

This is the cheapest one-way flight price, found on 9/19. Prices may vary by date and flight preferences.
BWI — SYD
Sep 25 — Oct 21

How to find the cheapest flight from Baltimore (BWI) to Sydney (SYD)

All the information you need to plan the best BWI to SYD flight in 2023: compare Baltimore to Sydney flight prices with the expected peak season, weather and rainfall in Sydney.

Popular in

December

Cheapest in

June

Round-trip from

$1,356

One-way from

$1,193
High demand for flights, 15% potential price rise
Best time to find cheap flights, 21% potential price drop
From Baltimore/Washington to Sydney Kingsford Smith
One-way flight from Baltimore/Washington to Sydney Kingsford Smith

BWI - SYD

Price

$1,356 - $2,782

SYD

Temperature

51.8 - 71.6 °F

SYD

Rainfall

2 - 5.1 inches

What is the cheapest day to fly round-trip from Baltimore to Sydney?

Flights from Baltimore to Sydney are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Sydney.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 35% on flights from Baltimore to Sydney compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $2,232. For sooner than that we have options available in the next 3 days from $2,467.

What is the cheapest month to fly from Baltimore to Sydney?

Our data shows that August tends to be the cheapest month to fly to Sydney from Baltimore. Users have commonly found prices around $1,816 for the month, but tickets can be as low as $1,254. Due to multiple factors, prepare for potentially higher prices in January.

When is the cheapest time to fly from Baltimore to Sydney (BWI - SYD)?

Unlike in the evening, when flights are generally more expensive, you can save up to 56% on flights from Baltimore to Sydney by exploring options for tickets at noon.

Cheap United Airlines flights from Baltimore to Sydney

Peruse some of the lowest-priced United Airlines flights we've found from Baltimore to Sydney. Deals update often to give you more flight options matching your criteria

Cheap Delta flights from Baltimore to Sydney

Some of the lowest-priced Delta flights we've found at this time heading from Baltimore to Sydney. Deals frequently update to provide users with more options.

Cheap Baltimore to Sydney flights in September & October 2023

The best prices found for BWI to SYD flights for September, October
The lowest fares we've come across on flights traveling from Baltimore to Sydney in September and October 2023. For more flight deals, be sure to check back very soon.

Baltimore to Sydney 2023 flight deals

Cheap flights to Sydney from Baltimore found for this year
The lowest fares we've come across on flights traveling from Baltimore to Sydney in September and October 2023. For more flight deals, be sure to check back very soon.

Baltimore to Sydney flights leaving soon

Late deals on return flights to Sydney from Baltimore, departing today and this week
Have a look at some of the last-minute flights available departing from Baltimore to Sydney. Users should be sure to double check the price, date, and time of their last-minute flight.

One-way flights to Sydney from Baltimore

The cheapest one-way flights from Baltimore to Sydney
Take a look at some of the one-way flights we've detected from Baltimore to Sydney. Those needing a return flight from Baltimore to Sydney can use the search form above.

Find flights from Baltimore to Sydney within your budget

Use the slider to find flights from Baltimore to Sydney that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$1,155 - $1,735

Route

Depart

Return

Price

Baltimore/WashingtonSydney Kingsford Smith

BWI - SYD

BWISYD

Baltimore/Washington

Sun 2/4

2 stops55h 10m

Sydney Kingsford Smith

Sat 2/10

2 stops48h 52m

Baltimore/WashingtonSydney Kingsford Smith

BWI - SYD

BWISYD

Baltimore/Washington

Tue 3/5

2 stops31h 10m

Sydney Kingsford Smith

Wed 3/27

2 stops48h 52m

Baltimore/WashingtonSydney Kingsford Smith

BWI - SYD

BWISYD

Baltimore/Washington

Wed 10/25

1 stop29h 56m

Sydney Kingsford Smith

Thu 11/2

1 stop24h 18m

Baltimore/WashingtonSydney Kingsford Smith

BWI - SYD

BWISYD

Baltimore/Washington

Wed 10/25

1 stop29h 56m

Sydney Kingsford Smith

Fri 11/3

1 stop28h 15m

Baltimore/WashingtonSydney Kingsford Smith

BWI - SYD

BWISYD

Baltimore/Washington

Sun 10/29

1 stop33h 05m

Sydney Kingsford Smith

Wed 11/8

1 stop21h 31m

Baltimore/WashingtonSydney Kingsford Smith

BWI - SYD

BWISYD

Baltimore/Washington

Tue 10/24

2 stops27h 50m

Sydney Kingsford Smith

Mon 11/6

2 stops28h 43m

Baltimore/WashingtonSydney Kingsford Smith

BWI - SYD

BWISYD

Baltimore/Washington

Mon 1/15

2 stops28h 05m

Sydney Kingsford Smith

Mon 1/29

2 stops25h 22m

Baltimore/WashingtonSydney Kingsford Smith

BWI - SYD

BWISYD

Baltimore/Washington

Wed 10/18

1 stop22h 08m

Sydney Kingsford Smith

Wed 10/25

2 stops34h 19m

Baltimore/WashingtonSydney Kingsford Smith

BWI - SYD

BWISYD

Baltimore/Washington

Sun 2/18

1 stop23h 55m

Sydney Kingsford Smith

Tue 3/12

1 stop20h 31m

Flights are sorted by cheapest first

Deals found on 9/19

Reviews of airlines servicing Sydney

Read reviews from past customers who have flown United Airlines, Delta and Air New Zealand 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.
Air New Zealand
8.2
Very good
62 reviews

Boarding

8.6

Food

7.1

Crew

8.7

Overall

8.2

Comfort

8.2

Entertainment

6.9

Reviews

1 / 10

Unfortunately there was a screaming child on the flight. No ones fault but literally hurt my ears and made them crackle. I didn’t eat or drink on the flight.

Air New Zealand
8.2
Very good
62 reviews
Air New Zealand
8.2
Very good
62 reviews

Boarding

8.6

Food

7.1

Crew

8.7

Overall

8.2

Comfort

8.2

Entertainment

6.9

Reviews

1 / 10

Unfortunately there was a screaming child on the flight. No ones fault but literally hurt my ears and made them crackle. I didn’t eat or drink on the flight.

Singapore Airlines
8.1
Very good
337 reviews
Air New Zealand
8.2
Very good
62 reviews

Boarding

8.6

Food

7.1

Crew

8.7

Overall

8.2

Comfort

8.2

Entertainment

6.9

Reviews

1 / 10

Unfortunately there was a screaming child on the flight. No ones fault but literally hurt my ears and made them crackle. I didn’t eat or drink on the flight.

Delta
7.9
Good
3,016 reviews
Air New Zealand
8.2
Very good
62 reviews

Boarding

8.6

Food

7.1

Crew

8.7

Overall

8.2

Comfort

8.2

Entertainment

6.9

Reviews

1 / 10

Unfortunately there was a screaming child on the flight. No ones fault but literally hurt my ears and made them crackle. I didn’t eat or drink on the flight.

United Airlines
7.4
Good
1,887 reviews
Air New Zealand
8.2
Very good
62 reviews

Boarding

8.6

Food

7.1

Crew

8.7

Overall

8.2

Comfort

8.2

Entertainment

6.9

Reviews

1 / 10

Unfortunately there was a screaming child on the flight. No ones fault but literally hurt my ears and made them crackle. I didn’t eat or drink on the flight.

American Airlines
7.2
Good
2,635 reviews
Air New Zealand
8.2
Very good
62 reviews

Boarding

8.6

Food

7.1

Crew

8.7

Overall

8.2

Comfort

8.2

Entertainment

6.9

Reviews

1 / 10

Unfortunately there was a screaming child on the flight. No ones fault but literally hurt my ears and made them crackle. I didn’t eat or drink on the flight.

Related info for your journey

Useful info, stats and facts about Baltimore to Sydney flights.

Can I find flights from Baltimore to Sydney for under $1,200 on Cheapflights?

Yes, there are multiple flights from Baltimore to Sydney for under $1,200. The cheapest flight booked recently is on Air Canada for just $1,155, but on average you can expect to pay $1,286.

Are there last-minute flights available from Baltimore to Sydney for under $1,900?

There are currently 20+ open flights from Baltimore to Sydney within the next 7 days for less than $1,900.

What are the cheapest airlines flying from Baltimore to Sydney round-trip?

According to our current data, Air Canada ($1,155), United Airlines ($1,360), and American Airlines ($1,362) offers the cheapest pricing from Baltimore to Sydney. You may be able to fly from Baltimore to Sydney for 38% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Baltimore to Sydney one-way?

The cheapest airlines for a one-way flight from Baltimore to Sydney are American Airlines ($1,162), Air New Zealand ($1,193), and Delta ($1,201).

What are the most popular airlines that fly from Baltimore to Sydney?

What does BWI to SYD mean?

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Baltimore/Washington Airport to Sydney Kingsford Smith Airport flight would often be abbreviated as a BWI to SYD flight.

Other flights to Sydney

Top 6 airlines flying from Baltimore to Sydney

The chart below displays the airlines Cheapflights users traveling from Baltimore to Sydney choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$950Average$1,687FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest$1,336Average$1,659FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest$1,341Average$1,549FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$1,397Average$1,848FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qantas AirwaysCheapest$1,421Average$2,394FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$1,758Average$1,980FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.