SYD - SEA

$580 Find Cheap Flights from Sydney to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Sydney to Seattle departing on 9/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Seattle

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sydney to Seattle, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sydney to Seattle, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$859
Typical prices: $1,253-$863
Air Canada
Wed 6/3Wed 6/24
SYD - SEA • 1 stop
Cheapest one-way
$580
Typical prices: $499-$945
Multiple Airlines
Wed 9/16
SYD - SEA • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Sydney and Seattle. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $1,296 (round-trip)
Shortest trip • 17h 48m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 20% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 16% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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 Seattle!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Sydney to Seattle (SYD-SEA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Sydney to Seattle that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Sydney to Seattle

Wed, Jun 3 - Wed, Jun 24
Air Canada Logo
9:20 am - 6:30 pm
SYD
-
SEA
26h 10m
1 stop
Air Canada Logo
7:20 pm - 7:20 am
SEA
-
SYD
19h 00m
1 stop
$859Air Canada
Mon, Jun 1 - Tue, Jun 30
Air Canada Logo
9:20 am - 10:05 am
SYD
-
SEA
17h 45m
1 stop
Air Canada Logo
3:00 pm - 7:20 am
SEA
-
SYD
23h 20m
1 stop
$861Air Canada
Wed, Jul 22 - Wed, Jul 29
Air Canada Logo
9:20 am - 10:07 am
SYD
-
SEA
17h 47m
1 stop
Air Canada Logo
7:20 pm - 11:40 am
SEA
-
SYD
23h 20m
2 stops
$869Air Canada
Wed, Jun 3 - Wed, Jun 24
Multiple Airlines Logo
6:00 am - 10:05 am
SYD
-
SEA
21h 05m
2 stops
Multiple Airlines Logo
10:45 am - 7:20 am
SEA
-
SYD
27h 35m
1 stop
$870Multiple Airlines
Mon, Jul 13 - Tue, Jul 28
Multiple Airlines Logo
6:00 am - 10:07 am
SYD
-
SEA
21h 07m
2 stops
Multiple Airlines Logo
7:20 pm - 7:20 am
SEA
-
SYD
19h 00m
1 stop
$871Multiple Airlines
Mon, Jun 1 - Tue, Jun 30
Air Canada Logo
9:20 am - 10:05 am
SYD
-
SEA
17h 45m
1 stop
Air Canada Logo
7:20 pm - 7:20 am
SEA
-
SYD
19h 00m
1 stop
$872Air Canada
Mon, Jul 13 - Tue, Jul 28
Multiple Airlines Logo
6:00 am - 10:07 am
SYD
-
SEA
21h 07m
2 stops
Multiple Airlines Logo
3:00 pm - 7:20 am
SEA
-
SYD
23h 20m
1 stop
$873Multiple Airlines
Mon, Jun 1 - Tue, Jun 30
Multiple Airlines Logo
9:20 am - 10:05 am
SYD
-
SEA
17h 45m
1 stop
Multiple Airlines Logo
7:20 pm - 11:25 am
SEA
-
SYD
23h 05m
2 stops
$877Multiple Airlines
Wed, Jun 3 - Wed, Jun 24
Multiple Airlines Logo
6:00 am - 10:05 am
SYD
-
SEA
21h 05m
2 stops
Multiple Airlines Logo
7:20 pm - 7:20 am
SEA
-
SYD
19h 00m
1 stop
$881Multiple Airlines
Thu, Oct 22 - Mon, Nov 9
Air Canada Logo
10:20 am - 2:22 pm
SYD
-
SEA
22h 02m
1 stop
Air Canada Logo
7:05 pm - 4:40 pm
SEA
-
SYD
26h 35m
2 stops
$882Air Canada
Booking Insights

KAYAK's insights & trends for Sydney to Seattle flights

Get data-powered insights and trends into flights from Sydney to Seattle to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Sydney to Seattle?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Sydney to Seattle departing in June.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Sydney to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Sydney to Seattle is September, where tickets cost $865 (return) on average. On the other hand, the most expensive months are January and July, where the average cost of round-trip tickets is $1,294 and $1,181 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Sydney to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Sydney to Seattle, you should book around 3 weeks before departure, which saves you about 20% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

Good to know

Low seasonFebruary
Cheapest flight$580
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly with an average 14% increase in price.
Flight from Sydney to Seattle

When to book flights from Sydney to Seattle

Are your dates flexible? Find out the best times to travel from Sydney to Seattle 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. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Sydney to Seattle

  • Are there any direct flights from Sydney and Seattle?

    There aren’t any airlines offering direct flights from Sydney to Seattle. However, you will find that most of the itineraries come with just one stop along the way. Where you stop will depend on the airline you fly with. For example, flights with Qatar Airways come with a stop at Hamad International Airport (DOH) in Doha. Flights with Qantas, United, or American Airlines generally come with a stop in a US city like Los Angeles (LAX) or Honolulu (HNL).

  • Where do I go to hire a car at Seattle Airport?

    The Seattle-Tacoma International Airport has an off-site facility dedicated to hire cars. This is located a 5min drive from the airport and there are free shuttles operating 24h a day, all throughout the year. You will find the pick-up zone for the shuttle just outside the baggage claim level in the international arrivals hall.

  • Where are the taxi and ride-share pickup points at the Seattle Airport?

    App-based ride-share operators and taxis pick up passengers from the third floor of the parking garage. You should find the taxis on the north and south curbs. If you’re meeting a ride-share operator, they’ll generally head to rows G through J (the orange and purple sections) of this level of the garage. To get to this parking garage, you’ll need to cross the skybridge located one level up from baggage claim. Once you’re over the bridge, you’ll need to go back down a level to get to the third floor.

  • What is the cheapest flight from Sydney to Seattle?

    In the last 7 days, the lowest price for a flight from Sydney to Seattle was $580 for a one-way ticket and $859 for a round-trip.

  • Do I need a passport to fly between Sydney and Seattle?

    Yes

  • Which airports will I be using when flying from Sydney to Seattle?

    When flying out of Sydney you will be using Sydney Kingsford Smith. You will be landing at Seattle, also known as Seattle/Tacoma Intl.

  • Which aircraft models fly most regularly from Sydney to Seattle?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Sydney to Seattle?

    Star Alliance is the only airline alliance operating flights between Sydney and Seattle.

  • Which is the best airline for flights from Sydney to Seattle, United Airlines or Air Canada?

    The two airlines most popular with KAYAK users for flights from Sydney to Seattle are United Airlines and Air Canada. With an average price for the route of $1,121 and an overall rating of 7.4, United Airlines is the most popular choice. Air Canada is also a great choice for the route, with an average price of $1,054 and an overall rating of 7.1.

  • How does KAYAK find such low prices on flights from Sydney to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Sydney to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Sydney to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Sydney is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Sydney to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Sydney with another airline. Booking your flights between Sydney and SEA can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Sydney to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Sydney up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Sydney to Seattle

  • Taxis and rideshare providers offer a quick and easy way to get to Sydney Airport (SYD). The trip takes around 20min from the city centre (depending on traffic) and generally costs around A$ 45-55.
  • Sydney’s Kingsford Smith Airport (SYD) has three terminals. However, all international flights depart from Terminal 1, so this is the terminal you’ll need for your flight to Seattle, Washington.
  • Seattle-Tacoma International Airport (SEA) features a range of larger-than-life art installations. It’s worth taking some time to explore creations like The Cathedral and Carbon Veil.

Reviews of the top airlines flying from Sydney to Seattle

 
See real verified KAYAK customer reviews for airlines flying from Sydney to Seattle. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Sydney to Seattle? 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.
7.4
United AirlinesOverall score based on 9751 reviews
7.1Entertainment
6.6Food
8.1Crew
7.3Comfort
7.7Boarding
Airline reviews

We had a delay, but thankfully I made it to my connection. Overall it went smooth

8.0 ExcellentSandy, May 2026
IAH - ABQ
Read more United Airlines reviews

We had a delay, but thankfully I made it to my connection. Overall it went smooth

The flight had a delay but I made it to my connection. Flight was smooth overall

As I wrote earlier, poor planning and/or communication. At least twice, we were told that we would be boarding in less than ten minutes, only to have the flight again delayed at least another hour.

Our flight from Nice to Newark ran an hour late, and the food was mediocre, but it was fine. The problem was that we were scheduled to have a 4.5-hour layover in Newark, but then our flight to RDU was almost four hours late, finally departing at almost 11:30 p.m. We understand that flight delays were caused by weather problems in the East. However, there were at least two times, when were told that we would begin boarding in just a few minutes, only to have the flight delayed another 1.0-1.5 hours. This meant that we would leave a restaurant or the United Club, go to the gate, only to learn that there would be another major delay. Poor planning and/or communication.

This flight is a quick way to get to Chicago, but a bit expensive.

There were no facilities in the middle of the aircraft and premium economy was not allowed to use the business class facilities, and had to share the only two toilets at the back with economy. The upgrade to Premium was definitely not worth it

Our flight to Rome, Italy was cancelled the day of and we were never informed. We only found out because I was trying to get into my husbands account and called to get his account number. Had to pay more for worse seating on another airline.

My service dog and I were asked to deplane just before they closed the door - clearly very last minute they couldn’t find the documentation that I have filled out many many times before that is for flying service animals. I purposely purchase 3seats (a whole row) since he is large and not all passengers want to sit next to a dog on a cross country flight. The plane departed with my husband on it!!! They made me fill out a hard copy of the same form and had to reschedule me on a later flight where they could find 3 seats together!! I’ve done this so many times before - clearly the error was on their part in a technology glitch - but really people - do better!! Very traumatic - and my husband had to wait for us when he landed ….so bad. Poor pup was confused and tired.

The economy seat was much less comfortable for an international flight in terms of recline and moving space when food tray is expanded. Per entertainment, it would be amazing if I could connect my Bluetooth headset or ear phones to the entertainment screen. Or provide in-flight wifi to connect directly from my own device.

First class ticket gets you no seat back entertainment? I have to bring my own laptop to see a movie? And most of their movies have ADS? No thank you. Worse: Tiny snacks only on a 2 hr flight?

Never flown with Air Canada before, but it's now a top choice! Loved it!

Horrible crew, horrible seats configuration, ridiculous space in the toilets, Air Canada is no longer a option.

Crew at gate and onboard were just very OK, not very friendly and honestly seemed bothered to be there. I will give a shout out to still selling headphones for those who forgot.

Flight Boarded and departed on time. The Flight crew was very friendly and accommodating. The aircraft was clean and free from clutter and debris. I will be happy to recommend Air Canada to my friends and relatives for their flight needs. They were very attentive and responsive to our needs as Senior citizens.

Another good flight experience with Air Canada. The business section did not feature the full length sleeping arrangement, but this was a shorter trip. The food was excellent. But the flight crew was truly top tier: friendly, cheerful, helpful at all the right times. Air Canada truly outshines all U.S. carriers.

Flight operated by PAL. We boarded, and one engine started. The crew found some problem that could not be fixed. The flight was canceled. This run from yhz-bos is very unreliable.

Everything. The crew was so friendly, helpful & smiled. We had an excellent flight getting in earlier.

Flight itself was not bad at all. However: my checked bag (checked in Calgary) did not make it onto this flight as I found out after I landed at EWR. I still don't have it but it appears that it is on its way to me.

Flight and attendance were very good we had 2 hour delay that took the shine of it

After 3 hours of delays, they ended up cancelling my flight. And although I could purchase one-way tickets to get to my destination, they would not offer me these flights as compensation for the cancelled flight, and I didn't end up making it home until 13 hours after I was originally supposed to arrive. It made for an extremely strenuous end to an otherwise good trip.

Everything you need to know for your flight from Sydney to Seattle

Information on your arrival and departure airports