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Cheap flights from Sydney to Seattle from $650

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 26/5. 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

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Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from Sydney to Seattle.
United Airlines Logo
09:30 - 14:01SYD-SEA
21h 31m1 stop
United Airlines Logo
10:56 - 07:00SEA-SYD
27h 04m2 stops
$1,237United Airlines
Find Deal
Wed, 18 Jun - Thu, 10 Jul
United Airlines Logo
09:30 - 21:58SYD-SEA
29h 28m1 stop
United Airlines Logo
09:45 - 06:55SEA-SYD
28h 10m1 stop
$1,240United Airlines
Find Deal
Sat, 14 Jun - Sun, 22 Jun
United Airlines Logo
09:30 - 14:01SYD-SEA
21h 31m1 stop
United Airlines Logo
17:14 - 07:00SEA-SYD
20h 46m1 stop
$1,251United Airlines
Find Deal
Tue, 10 Jun - Tue, 17 Jun
Qantas Airways Logo
09:10 - 23:01SYD-SEA
30h 51m1 stop
Qantas Airways Logo
14:40 - 07:05SEA-SYD
23h 25m1 stop
$1,307Qantas Airways
Find Deal
Thu, 22 May - Sun, 15 Jun
Qantas Airways Logo
09:10 - 23:09SYD-SEA
30h 59m1 stop
Qantas Airways Logo
14:40 - 07:05SEA-SYD
23h 25m1 stop
$1,356Qantas Airways
Find Deal
Wed, 21 May - Sat, 14 Jun
Air Canada Logo
06:00 - 09:21SYD-SEA
20h 21m2 stops
Air Canada Logo
10:00 - 08:20SEA-SYD
28h 20m1 stop
$1,763Air Canada
Find Deal
Sun, 28 Sep - Sun, 5 Oct
Virgin Australia Logo
09:30 - 21:38SYD-SEA
29h 08m1 stop
Virgin Australia Logo
07:00 - 07:55SEA-SYD
30h 55m1 stop
$1,779Virgin Australia
Find Deal
Sat, 27 Sep - Wed, 8 Oct
Air Canada Logo
09:20 - 22:16SYD-SEA
29h 56m1 stop
Air Canada Logo
19:15 - 07:40SEA-SYD
42h 25m2 stops
$2,024Air Canada
Find Deal
Mon, 22 Sep - Sat, 11 Oct
Asiana Airlines Logo
09:30 - 12:30SYD-SEA
44h 00m1 stop
Asiana Airlines Logo
14:15 - 07:30SEA-SYD
24h 15m1 stop
$2,027Asiana Airlines
Find Deal
Mon, 12 May - Mon, 26 May
Virgin Australia Logo
09:30 - 11:55SYD-SEA
19h 25m1 stop
Virgin Australia Logo
07:00 - 07:55SEA-SYD
30h 55m1 stop
$2,169Virgin Australia
Find Deal
Sat, 27 Sep - Tue, 7 Oct

ANA flights from Sydney to Seattle

Our best ANA deals on Sydney to Seattle flight tickets
ANA
11 May
SYD11:50Sydney Kingsford Smith
23h 43m
2 stops
SEA18:33Seattle/Tacoma Intl
14 May
SEA10:00Seattle/Tacoma Intl
30h 25m
2 stops
SYD09:25Sydney Kingsford Smith
ANA
11 May
SYD20:55Sydney Kingsford Smith
34h 30m
1 stop
SEA14:25Seattle/Tacoma Intl
14 May
SEA10:00Seattle/Tacoma Intl
30h 25m
2 stops
SYD09:25Sydney Kingsford Smith

China Airlines flights from Sydney to Seattle

Our best China Airlines deals on Sydney to Seattle flight tickets
China Airlines
11 May
SYD22:10Sydney Kingsford Smith
38h 20m
1 stop
SEA19:30Seattle/Tacoma Intl
13 May
SEA01:10Seattle/Tacoma Intl
40h 35m
1 stop
SYD10:45Sydney Kingsford Smith
China Airlines
24 Sept
SYD22:10Sydney Kingsford Smith
38h 10m
1 stop
SEA19:20Seattle/Tacoma Intl
6 Oct
SEA01:10Seattle/Tacoma Intl
40h 35m
1 stop
SYD11:45Sydney Kingsford Smith
China Airlines
11 May
SYD17:45Sydney Kingsford Smith
42h 45m
2 stops
SEA19:30Seattle/Tacoma Intl
13 May
SEA01:10Seattle/Tacoma Intl
40h 35m
1 stop
SYD10:45Sydney 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?

The month of February is, on average, the cheapest month to fly to Seattle from Sydney, with most prices found around $1,565. If you are unable to visit Seattle during the month of February, then departing from Sydney during the month March is also very affordable. Most momondo users find prices during this month for around $1,598.

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

The cheapest day to depart from Sydney to Seattle is on a Thursday. Travellers who choose to depart for Seattle on a Thursday will often find tickets for as low as $1,607. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Sydney to Seattle for around $1,847.

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

According to our data, the cheapest time of day to fly to Seattle is at midday. momondo users have found flights departing from Sydney to Seattle at midday for as low as $1,531. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Seattle is in the afternoon when prices are around $1,869.

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 25 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $1,765 when searching 25 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 $1,552 on momondo.

How have Sydney to Seattle flight prices changed over time?

As of April 2025, prices for Sydney to Seattle flights are approximately 10% 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 return 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

$650

Fastest flight time

17h 30m

Direct flights

None

Airports in Seattle

1 airport
The best one-way flight to Seattle from Sydney in the past 72 hours is $650. The best return flight deal from Sydney to Seattle found on momondo in the last 72 hours is $1,237.
The fastest flight from Sydney to Seattle takes 17h 30m
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?

    There are 12462.2 km between Sydney Kingsford Smith and Seattle/Tacoma Intl. A reasonable flight in good conditions will take 18h 51m.

  • 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 refresh daily.

  • 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 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 Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport.

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

    The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • 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 $1,064Free cancellationRating
7.4
8,689 reviews
Search United Airlines flights
Virgin AustraliaPriceFrom $1,175Free cancellationRating
7.5
400 reviews
Search Virgin Australia flights
Asiana AirlinesPriceFrom $1,261Free cancellationRating
8.2
443 reviews
Search Asiana Airlines flights
Air CanadaPriceFrom $1,316Free cancellationRating
7.0
9,215 reviews
Search Air Canada flights
Philippine AirlinesPriceFrom $1,356Free cancellationRating
7.2
857 reviews
Search Philippine Airlines flights
Hawaiian AirlinesPriceFrom $1,358Free cancellationRating
7.9
2,399 reviews
Search Hawaiian Airlines flights
American AirlinesPriceFrom $1,382Free cancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air New ZealandPriceFrom $1,401Free cancellationRating
8.0
470 reviews
Search Air New Zealand flights
Qantas AirwaysPriceFrom $1,463Free cancellationRating
7.5
828 reviews
Search Qantas Airways flights
Singapore AirlinesPriceFrom $1,483Free cancellationRating
8.1
1,290 reviews
Search Singapore Airlines flights

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
SeaTac
Redmond

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Sydney to Seattle. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Seattle from Sydney which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Sydney to Seattle.

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

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Sydney and alert you when they change.


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