What is the difference between the most popular and the most frequent airline at Sydney?

Delta operates the most flights from the United States to Sydney at 0 per week, while Air Canada is the airline most often selected by KAYAK users searching for flights from the United States to Sydney. The two are often different because flight volume reflects an airline's schedule, while popularity reflects traveler choice.

Which city has the cheapest flights to Sydney?

Based on fares booked in the past 5 days, the cheapest flights to Sydney are from Washington, D.C., starting at $816 round-trip, and from New York, starting at $822 round-trip.

How do I know if a flight to Sydney is a good deal?

A good deal on a flight to Sydney is around $778 round-trip. This fare is in the lowest 25% of round-trip prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.

Which airlines should I consider for flights to Sydney?

Air Canada is the most popular airline with KAYAK users flying to Sydney, and has the best on-time record at the destination's main airport.

What is the cheapest flight to Sydney?

Washington, D.C. Dulles Intl Airport to Sydney is the cheapest route at $816 round-trip, found in the past 5 days on KAYAK. New York LaGuardia Airport to Sydney is the most popular connection with round-trip deals from $827.

How much is a flight to Sydney?

On average, a round-trip flight from the United States to Sydney costs $885, based on KAYAK data over the past 12 months. Round-trip fares from Boston average $800, while Tampa runs a bit higher at $829.

What is the cheapest day to fly to Sydney?

Saturday is the cheapest day to fly to Sydney at $756 round-trip on average over the past 12 months on KAYAK. Monday is the most expensive at $1,011.

What’s the cheapest month to fly to Sydney?

•March is the cheapest month to fly to Sydney with an average price of $794 round-trip. •December ($1,514) and July ($1,116) are the most expensive. Based on KAYAK data over the past 12 months.

What is the cheapest time of day to fly to Sydney?

Night flights to Sydney are the cheapest at $859 round-trip on average. Evening flights are the most expensive at $1,514.

What is a good deal for flights to Sydney?

Flights under $778 are considered a good deal. 25% of KAYAK users found round-trip flights to Sydney at or below these prices, with the lowest fares from: •Detroit $655 •Phoenix Sky Harbor Intl Airport $743 •New York $744.

What are the most popular airlines flying to Sydney?

Air Canada is the only airline flying to Sydney on KAYAK.

$415 CHEAP FLIGHTS to Sydney in 2026/27

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$816

Typical prices: $778-$1,177

Air Canada

Fri 10/26Wed 10/31

IAD - YQY • 1 stop

Cheapest one-way

$415

Typical prices: $361-$687

Air Canada

Sun 12/2

BOS - YQY • 2 stops

Top airlines

Air Canada

Best reviews • 7.1 score

Airline reviews

Top routes

BOS - YQY

Cheapest • 35% average savings

LAX - YQY

Most popular

Insights

When to travel

March

Cheapest • 10% price drop

May

Most popular

Good to know

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Sydney!

Flight Deals

Cheap Flights to Sydney

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

All Flight Deals

Recent round-trip flight deals to Sydney

Sat, Nov 7 - Sat, Nov 14

12:39 pm - 11:30 amIAD Washington, D.C. Dulles Intl-YQY Sydney

21h 51m1 stop Toronto Pearson Intl

12:10 pm - 8:23 pmYQY Sydney-IAD Washington, D.C. Dulles Intl

9h 13m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$786Multiple Airlines

Sat, Nov 7 - Sat, Nov 14

10:10 pm - 11:30 amIAD Washington, D.C. Dulles Intl-YQY Sydney

12h 20m1 stop Toronto Pearson Intl

12:10 pm - 8:10 pmYQY Sydney-IAD Washington, D.C. Dulles Intl

9h 00m1 stop Toronto Pearson Intl

$807Multiple Airlines

Mon, Oct 26 - Sat, Oct 31

10:10 pm - 11:30 amIAD Washington, D.C. Dulles Intl-YQY Sydney

12h 20m1 stop Toronto Pearson Intl

12:10 pm - 9:26 pmYQY Sydney-IAD Washington, D.C. Dulles Intl

10h 16m1 stop Toronto Pearson Intl

$816Multiple Airlines

Sat, Oct 24 - Sat, Oct 31

10:25 am - 4:38 pmEWR Newark-YQY Sydney

5h 13m1 stop Montreal Pierre Elliott Trudeau Intl

12:10 pm - 6:01 pmYQY Sydney-EWR Newark

6h 51m1 stop Toronto Pearson Intl

$822Air Canada

Mon, Oct 26 - Sat, Oct 31

6:55 pm - 11:30 amDCA Washington, D.C. Reagan-National-YQY Sydney

15h 35m1 stop Toronto Pearson Intl

12:10 pm - 9:59 pmYQY Sydney-DCA Washington, D.C. Reagan-National

10h 49m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$824Air Canada

Mon, Oct 26 - Sat, Oct 31

10:10 pm - 11:30 amIAD Washington, D.C. Dulles Intl-YQY Sydney

12h 20m1 stop Toronto Pearson Intl

6:10 am - 3:45 pmYQY Sydney-IAD Washington, D.C. Dulles Intl

10h 35m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

$824Air Canada

Sat, Oct 24 - Sat, Oct 31

10:25 am - 4:38 pmEWR Newark-YQY Sydney

5h 13m1 stop Montreal Pierre Elliott Trudeau Intl

6:10 am - 1:39 pmYQY Sydney-EWR Newark

8h 29m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

$826Multiple Airlines

Mon, Oct 26 - Sat, Oct 31

4:00 pm - 11:30 amDCA Washington, D.C. Reagan-National-YQY Sydney

18h 30m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

12:10 pm - 9:59 pmYQY Sydney-DCA Washington, D.C. Reagan-National

10h 49m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$827Air Canada

Mon, Oct 26 - Mon, Nov 2

1:00 pm - 12:26 amLGA New York LaGuardia-YQY Sydney

10h 26m2 stops Toronto Island Montreal Pierre Elliott Trudeau Intl

6:10 am - 12:23 pmYQY Sydney-LGA New York LaGuardia

7h 13m1 stop Montreal Pierre Elliott Trudeau Intl

$827Air Canada

Thu, Dec 3 - Mon, Dec 7

1:00 pm - 12:26 amLGA New York LaGuardia-YQY Sydney

10h 26m2 stops Toronto Island Montreal Pierre Elliott Trudeau Intl

5:45 am - 9:56 amYQY Sydney-LGA New York LaGuardia

5h 11m1 stop Montreal Pierre Elliott Trudeau Intl

$828Air Canada

Recent last minute flight deals to Sydney

Fri, Oct 2 - Mon, Oct 5

10:25 am - 4:12 pmEWR Newark-YQY Sydney

4h 47m1 stop Montreal Pierre Elliott Trudeau Intl

5:05 am - 2:45 pmYQY Sydney-EWR Newark

10h 40m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$1,277Air Canada

Fri, Oct 2 - Mon, Oct 5

6:30 am - 4:12 pmEWR Newark-YQY Sydney

8h 42m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

5:05 am - 2:45 pmYQY Sydney-EWR Newark

10h 40m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$1,285Air Canada

Fri, Oct 2 - Mon, Oct 5

10:25 am - 4:12 pmEWR Newark-YQY Sydney

4h 47m1 stop Montreal Pierre Elliott Trudeau Intl

5:20 pm - 7:38 amYQY Sydney-EWR Newark

15h 18m1 stop Montreal Pierre Elliott Trudeau Intl

$1,299Air Canada

Fri, Oct 2 - Sun, Oct 4

4:00 pm - 12:45 amIAD Washington, D.C. Dulles Intl-YQY Sydney

7h 45m1 stop Toronto Pearson Intl

5:05 am - 3:00 pmYQY Sydney-IAD Washington, D.C. Dulles Intl

10h 55m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$1,384Air Canada

Fri, Oct 2 - Sun, Oct 4

4:00 pm - 12:45 amIAD Washington, D.C. Dulles Intl-YQY Sydney

7h 45m1 stop Toronto Pearson Intl

5:05 am - 3:00 pmYQY Sydney-IAD Washington, D.C. Dulles Intl

10h 55m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$1,385Air Canada

Fri, Oct 2 - Sun, Oct 4

12:40 pm - 12:45 amDCA Washington, D.C. Reagan-National-YQY Sydney

11h 05m2 stops Ottawa Toronto Pearson Intl

5:05 am - 12:09 pmYQY Sydney-DCA Washington, D.C. Reagan-National

8h 04m2 stops Toronto Pearson Intl Ottawa

$1,389Air Canada

Fri, Oct 2 - Sun, Oct 4

10:19 pm - 12:45 amIAD Washington, D.C. Dulles Intl-YQY Sydney

25h 26m1 stop Toronto Pearson Intl

5:05 am - 2:22 pmYQY Sydney-IAD Washington, D.C. Dulles Intl

10h 17m1 stop Toronto Pearson Intl

$1,406Multiple Airlines

Fri, Oct 2 - Sun, Oct 4

10:19 pm - 12:45 amIAD Washington, D.C. Dulles Intl-YQY Sydney

25h 26m1 stop Toronto Pearson Intl

5:05 am - 3:00 pmYQY Sydney-IAD Washington, D.C. Dulles Intl

10h 55m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$1,408Air Canada

Fri, Oct 2 - Sun, Oct 4

8:15 am - 12:45 amIAD Washington, D.C. Dulles Intl-YQY Sydney

15h 30m2 stops Ottawa Toronto Pearson Intl

5:05 am - 3:00 pmYQY Sydney-IAD Washington, D.C. Dulles Intl

10h 55m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$1,409Air Canada

Fri, Oct 2 - Sun, Oct 4

10:19 pm - 12:45 amIAD Washington, D.C. Dulles Intl-YQY Sydney

25h 26m1 stop Toronto Pearson Intl

5:20 pm - 4:18 pmYQY Sydney-IAD Washington, D.C. Dulles Intl

23h 58m1 stop Montreal Pierre Elliott Trudeau Intl

$1,472Multiple Airlines

All round-trip flight deals to Sydney

Sat, Nov 7 - Sat, Nov 14

12:39 pm - 11:30 amIAD Washington, D.C. Dulles Intl-YQY Sydney

21h 51m1 stop Toronto Pearson Intl

12:10 pm - 8:23 pmYQY Sydney-IAD Washington, D.C. Dulles Intl

9h 13m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$786Multiple Airlines

Sat, Nov 7 - Sat, Nov 14

10:10 pm - 11:30 amIAD Washington, D.C. Dulles Intl-YQY Sydney

12h 20m1 stop Toronto Pearson Intl

12:10 pm - 8:10 pmYQY Sydney-IAD Washington, D.C. Dulles Intl

9h 00m1 stop Toronto Pearson Intl

$807Multiple Airlines

Mon, Oct 26 - Sat, Oct 31

10:10 pm - 11:30 amIAD Washington, D.C. Dulles Intl-YQY Sydney

12h 20m1 stop Toronto Pearson Intl

12:10 pm - 9:26 pmYQY Sydney-IAD Washington, D.C. Dulles Intl

10h 16m1 stop Toronto Pearson Intl

$816Multiple Airlines

Sat, Oct 24 - Sat, Oct 31

10:25 am - 4:38 pmEWR Newark-YQY Sydney

5h 13m1 stop Montreal Pierre Elliott Trudeau Intl

12:10 pm - 6:01 pmYQY Sydney-EWR Newark

6h 51m1 stop Toronto Pearson Intl

$822Air Canada

Mon, Oct 26 - Sat, Oct 31

6:55 pm - 11:30 amDCA Washington, D.C. Reagan-National-YQY Sydney

15h 35m1 stop Toronto Pearson Intl

12:10 pm - 9:59 pmYQY Sydney-DCA Washington, D.C. Reagan-National

10h 49m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$824Air Canada

Mon, Oct 26 - Sat, Oct 31

10:10 pm - 11:30 amIAD Washington, D.C. Dulles Intl-YQY Sydney

12h 20m1 stop Toronto Pearson Intl

6:10 am - 3:45 pmYQY Sydney-IAD Washington, D.C. Dulles Intl

10h 35m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

$824Air Canada

Sat, Oct 24 - Sat, Oct 31

10:25 am - 4:38 pmEWR Newark-YQY Sydney

5h 13m1 stop Montreal Pierre Elliott Trudeau Intl

6:10 am - 1:39 pmYQY Sydney-EWR Newark

8h 29m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

$826Multiple Airlines

Mon, Oct 26 - Sat, Oct 31

4:00 pm - 11:30 amDCA Washington, D.C. Reagan-National-YQY Sydney

18h 30m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

12:10 pm - 9:59 pmYQY Sydney-DCA Washington, D.C. Reagan-National

10h 49m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$827Air Canada

Mon, Oct 26 - Mon, Nov 2

1:00 pm - 12:26 amLGA New York LaGuardia-YQY Sydney

10h 26m2 stops Toronto Island Montreal Pierre Elliott Trudeau Intl

6:10 am - 12:23 pmYQY Sydney-LGA New York LaGuardia

7h 13m1 stop Montreal Pierre Elliott Trudeau Intl

$827Air Canada

Thu, Dec 3 - Mon, Dec 7

1:00 pm - 12:26 amLGA New York LaGuardia-YQY Sydney

10h 26m2 stops Toronto Island Montreal Pierre Elliott Trudeau Intl

5:45 am - 9:56 amYQY Sydney-LGA New York LaGuardia

5h 11m1 stop Montreal Pierre Elliott Trudeau Intl

$828Air Canada

Booking Insights

Price, demand and travel trends for flights to Sydney

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

What is the cheapest flight to Sydney?: Washington, D.C. Dulles Intl Airport to Sydney is the cheapest route at $816 round-trip, found in the past 5 days on KAYAK. New York LaGuardia Airport to Sydney is the most popular connection with round-trip deals from $827.
How much is a flight to Sydney? Average and cheapest price for all round-trip flights to Sydney from each origin found by users searching on KAYAK in the last 12 months.: On average, a round-trip flight from the United States to Sydney costs $885, based on KAYAK data over the past 12 months. Round-trip fares from Boston average $800, while Tampa runs a bit higher at $829.
What is the cheapest day to fly to Sydney?: Saturday is the cheapest day to fly to Sydney at $756 round-trip on average over the past 12 months on KAYAK. Monday is the most expensive at $1,011.
What’s the cheapest month to fly to Sydney? To calculate monthly average prices, KAYAK takes all prices for each month over the last 12 months for flights to Sydney, removes the top 0.1% to account for outliers, then takes the median of all values for each month.: •March is the cheapest month to fly to Sydney with an average price of $794 round-trip.
•December ($1,514) and July ($1,116) are the most expensive.

Based on KAYAK data over the past 12 months.
What is the cheapest time of day to fly to Sydney? Average price for all round-trip flights depending on time of departure, seen by users on KAYAK in the last 12 months.: Night flights to Sydney are the cheapest at $859 round-trip on average. Evening flights are the most expensive at $1,514.
What is a good deal for flights to Sydney?: Flights under $778 are considered a good deal. 25% of KAYAK users found round-trip flights to Sydney at or below these prices, with the lowest fares from:
•Detroit $655
•Phoenix Sky Harbor Intl Airport $743
•New York $744.

Find deals

Low season	February
High season	May
Cheapest flight	$415

Beat the crowds with an average 82% drop in travelers.

The most popular month to fly with an average 125% increase in travelers.

One-way flight from Boston to Sydney

When to book flights to Sydney

Are your dates flexible? Find out the best times to travel to Sydney based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. The information is for flights to Sydney based on your location. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

How do I know if a flight to Sydney is a good deal?
A good deal on a flight to Sydney is around $778 round-trip. This fare is in the lowest 25% of round-trip prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.
Which city has the cheapest flights to Sydney?
Based on fares booked in the past 5 days, the cheapest flights to Sydney are from Washington, D.C., starting at $816 round-trip, and from New York, starting at $822 round-trip.
What is the difference between the most popular and the most frequent airline at Sydney?
Delta operates the most flights from the United States to Sydney at 0 per week, while Air Canada is the airline most often selected by KAYAK users searching for flights from the United States to Sydney. The two are often different because flight volume reflects an airline's schedule, while popularity reflects traveler choice.
Which airlines should I consider for flights to Sydney?
Air Canada is the most popular airline with KAYAK users flying to Sydney, and has the best on-time record at the destination's main airport.

For flights to Sydney, a good round-trip fare is around $778. If you find a fare below that, you're getting a strong deal.
If your travel dates are flexible, consider flying to Sydney in March. Round-trip fares historically average $794, making March the cheapest month to travel based on KAYAK data from the last 12 months.
Before you book:

• Check the route's typical price range so you can spot a deal.
• Confirm baggage fees and seat-selection costs on budget carriers.
• Verify whether you need any travel documents beyond ID.
• Pick a departure airport, since your nearest may not be the cheapest origin.
Shift your departure to evening to save up to $655 per round-trip. Evening flights to Sydney average $859 compared to $1,514 for afternoon flights.

Reviews of the top airline flying to Sydney

Need help choosing which airline to fly with to Sydney? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.

7.1

Air CanadaOverall score based on 11701 reviews

7.3Boarding

6.8Entertainment

7.8Crew

7.1Comfort

6.3Food

Airline reviews

The plane was very cramped and no room to move. Other passengers brought suitcases that didn't fit in the overhead bins. This made boarding and departing extremely slow.

8.0 ExcellentAnonymous, Aug 2026

More options for your flight to Sydney

Add a hotel or car rental

Airlines

Airports

Cabin class

Direct Flights

Origins

Other destinations

Return flight

Complete your trip to Sydney with a hotel stay or car rental

Car rentals in Sydney

YQY

$415 Find Cheap Flights to Sydney - Compare and Save

Everything you should know

Cheap Flights to Sydney

Recent round-trip flight deals to Sydney

Recent one-way flight deals to Sydney

Recent last minute flight deals to Sydney

All round-trip flight deals to Sydney

Price, demand and travel trends for flights to Sydney

What is the cheapest flight to Sydney?

How much is a flight to Sydney?

What is the cheapest day to fly to Sydney?

What’s the cheapest month to fly to Sydney?

What is the cheapest time of day to fly to Sydney?

What is a good deal for flights to Sydney?

What are the most popular airlines flying to Sydney?

Key details for flights to Sydney

Low season

High season

Cheapest flight

When to book flights to Sydney

Your questions about flights to Sydney, answered

Your guide to booking Sydney flights

Reviews of the top airline flying to Sydney

Traveling to a place near Sydney?

More options for your flight to Sydney

Complete your trip to Sydney with a hotel stay or car rental

Flights with popular airlines flying to Sydney

Information on the airport you'll fly into in Sydney

Cabin class types available on flights to Sydney

Find direct flights for Sydney

Flights from local origins to Sydney

Flights to other popular destinations

Find deals for your return flight