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Cheap flights from Sydney to Seattle from $413

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Seattle departing on 5/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Sydney to Seattle

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Sydney to Seattle.
4:20 pm - 4:50 pmSYD-SEA
17h 30m1 stop
8:15 am - 2:40 pmSEA-SYD
37h 25m1 stop
Thu, May 15 - Thu, Jun 12
9:20 am - 9:21 amSYD-SEA
17h 01m1 stop
1:45 pm - 7:20 amSEA-SYD
24h 35m1 stop
$938Air Canada
Find Deal
Mon, Sep 8 - Wed, Sep 24
9:30 am - 12:30 pmSYD-SEA
44h 00m1 stop
2:15 pm - 7:30 amSEA-SYD
24h 15m1 stop
$981Asiana Airlines
Find Deal
Wed, May 14 - Wed, May 21
11:50 am - 6:33 pmSYD-SEA
23h 43m2 stops
1:45 pm - 9:25 amSEA-SYD
26h 40m2 stops
$1,038ANA
Find Deal
Wed, Jun 11 - Wed, Jul 9
8:55 pm - 2:25 pmSYD-SEA
34h 30m1 stop
1:45 pm - 9:25 amSEA-SYD
26h 40m2 stops
$1,045ANA
Find Deal
Wed, Jun 11 - Wed, Jul 9
9:30 am - 12:30 pmSYD-SEA
44h 00m1 stop
2:15 pm - 7:30 amSEA-SYD
24h 15m1 stop
$1,055Asiana Airlines
Find Deal
Wed, May 28 - Sat, May 31
9:30 am - 3:53 pmSYD-SEA
23h 23m2 stops
12:49 pm - 7:00 amSEA-SYD
25h 11m2 stops
$1,223United Airlines
Find Deal
Thu, Jun 12 - Mon, Jul 7
9:30 am - 2:38 pmSYD-SEA
22h 08m1 stop
12:49 pm - 7:00 amSEA-SYD
25h 11m2 stops
$1,270United Airlines
Find Deal
Sat, Jun 14 - Mon, Jul 7
9:10 am - 9:34 pmSYD-SEA
29h 24m1 stop
2:30 pm - 7:05 amSEA-SYD
23h 35m1 stop
$1,518Qantas Airways
Find Deal
Mon, Jun 9 - Fri, Jul 11
9:10 am - 9:45 pmSYD-SEA
29h 35m1 stop
2:30 pm - 7:05 amSEA-SYD
23h 35m1 stop
$1,565Qantas Airways
Find Deal
Sun, Jun 8 - Fri, Jul 11

Air Canada flights from Sydney to Seattle

Our best Air Canada deals on Sydney to Seattle flight tickets
Air Canada
Sep 8
SYD9:20 amSydney Kingsford Smith
17h 01m
1 stop
SEA9:21 amSeattle/Tacoma Intl
Sep 24
SEA1:45 pmSeattle/Tacoma Intl
24h 35m
1 stop
SYD7:20 amSydney Kingsford Smith
Air Canada
May 27
SYD9:20 amSydney Kingsford Smith
21h 53m
1 stop
SEA2:13 pmSeattle/Tacoma Intl
Jun 10
SEA7:15 pmSeattle/Tacoma Intl
19h 05m
1 stop
SYD7:20 amSydney Kingsford Smith
Air Canada
Aug 1
SYD9:20 amSydney Kingsford Smith
17h 01m
1 stop
SEA9:21 amSeattle/Tacoma Intl
Aug 9
SEA2:55 pmSeattle/Tacoma Intl
23h 25m
1 stop
SYD7:20 amSydney Kingsford Smith

Asiana Airlines flights from Sydney to Seattle

Our best Asiana Airlines deals on Sydney to Seattle flight tickets
Asiana Airlines
May 14
SYD9:30 amSydney Kingsford Smith
44h 00m
1 stop
SEA12:30 pmSeattle/Tacoma Intl
May 21
SEA2:15 pmSeattle/Tacoma Intl
24h 15m
1 stop
SYD7:30 amSydney Kingsford Smith
Asiana Airlines
May 28
SYD9:30 amSydney Kingsford Smith
44h 00m
1 stop
SEA12:30 pmSeattle/Tacoma Intl
May 31
SEA2:15 pmSeattle/Tacoma Intl
24h 15m
1 stop
SYD7:30 amSydney Kingsford Smith
Asiana Airlines
May 28
SYD9:30 amSydney Kingsford Smith
44h 00m
1 stop
SEA12:30 pmSeattle/Tacoma Intl
Jun 12
SEA2:15 pmSeattle/Tacoma Intl
24h 15m
1 stop
SYD7:30 amSydney Kingsford Smith

See travel insights to Seattle from

How to get the cheapest flight ticket from Sydney to Seattle

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

What is the cheapest month to fly to Seattle?

In general, February is the cheapest month to fly from Sydney to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,002. If you don’t want to visit Seattle in February, then you should wait until March to fly from Sydney, when ticket prices are also cheap, with an average price of $1,029.

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

On average, the least expensive day to fly to Seattle from Sydney is on a Saturday. momondo users have found tickets for Saturday departures for as low as $1,069. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Sydney because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,337.

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

Flying to Seattle from Sydney in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,213 when looking at flights departing in the morning. Flights to Seattle are more costly in the afternoon, with an average ticket price of $1,679. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Seattle from Sydney when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $1,138 when searching 14 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Sydney for as low as $939 on momondo.

How have Sydney to Seattle flight prices changed over time?

As of March 2025, prices for Sydney to Seattle flights are approximately 0% more expensive when compared to flights at the same time last year.

When to book flights from Sydney to Seattle

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

Cheap Sydney to Seattle (SYD to SEA) flight deals and tips

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

Best Price Found

$413

Fastest flight time

16h 58m

Direct flights

None

Airports in Seattle

1 airport
The best one-way flight to Seattle from Sydney in the past 72 hours is $413. The best round-trip flight deal from Sydney to Seattle found on momondo in the last 72 hours is $897.
The fastest flight from Sydney to Seattle takes 16h 58m
There are no direct flights from Sydney to Seattle. Popular non-direct route for this connection is Sydney Kingsford Smith Airport - Seattle/Tacoma Intl Airport.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

  • How far is Sydney Kingsford Smith to Seattle/Tacoma Intl by plane?

    Seattle/Tacoma Intl is 7743.7 mi away from Sydney Kingsford Smith. Flights usually cover this in 16h 58m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents required for your trip to Seattle/Tacoma Intl 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 license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl 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 Sydney to Seattle?


Best airlines flying from Sydney to Seattle

Compare and see reviews for airlines that fly from Sydney to Seattle with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $671Free CancellationRating
7.4
8,614 reviews
Search United Airlines flights
Air CanadaPriceFrom $874Free CancellationRating
7.0
9,012 reviews
Search Air Canada flights
Hawaiian AirlinesPriceFrom $917Free CancellationRating
7.9
2,344 reviews
Search Hawaiian Airlines flights
Qantas AirwaysPriceFrom $1,058Free CancellationRating
7.5
813 reviews
Search Qantas Airways flights
Korean AirPriceFrom $1,207Free CancellationRating
8.4
1,051 reviews
Search Korean Air flights
Asiana AirlinesPriceFrom $1,269Free CancellationRating
8.2
440 reviews
Search Asiana Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Olympia
Kent
Renton
Federal Way
Tukwila
Puyallup
Kirkland
Lakewood
Lynnwood
Fife
Shoreline
Marysville
Centralia
Redmond
Cle Elum
Lacey

Why use momondo?

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

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 Sydney to Seattle for you.

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

Yes. All flights to Seattle from Sydney on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Sydney and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Seattle from Sydney. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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