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Cheap flights from Singapore to Seattle from $410

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Singapore to Seattle departing on 11/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Asiana Airlines Logo
10:50 pm - 12:30 pmSIN-SEA
28h 40m1 stop
Asiana Airlines Logo
2:15 pm - 9:30 pmSEA-SIN
40h 15m1 stop
$628Asiana Airlines
Find Deal
Thu, Sep 11 - Tue, Oct 7
Asiana Airlines Logo
11:10 pm - 1:55 pmSIN-SEA
30h 45m1 stop
Asiana Airlines Logo
12:10 am - 9:55 pmSEA-SIN
29h 45m1 stop
$694Asiana Airlines
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Tue, Nov 11 - Fri, Jan 23
Air Canada Logo
9:00 pm - 2:26 pmSIN-SEA
33h 26m2 stops
Air Canada Logo
3:40 pm - 11:15 amSEA-SIN
27h 35m2 stops
$720Air Canada
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Tue, Nov 11 - Sat, Jan 24
Air Canada Logo
10:00 am - 2:26 pmSIN-SEA
20h 26m1 stop
Air Canada Logo
8:00 pm - 4:55 amSEA-SIN
40h 55m2 stops
$724Air Canada
Find Deal
Tue, Nov 11 - Sat, Jan 24
Air Canada Logo
10:00 am - 2:26 pmSIN-SEA
20h 26m1 stop
Air Canada Logo
8:00 pm - 4:55 amSEA-SIN
40h 55m2 stops
$725Air Canada
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Fri, Nov 21 - Sun, Nov 30
Singapore Airlines Logo
9:00 am - 7:10 amSIN-SEA
14h 10mnonstop
Singapore Airlines Logo
8:45 am - 5:45 pmSEA-SIN
17h 00mnonstop
$737Singapore Airlines
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Tue, Nov 11 - Sat, Jan 24
Logo
8:10 am - 6:36 pmSIN-SEA
25h 26m2 stops
Logo
7:15 pm - 12:50 amSEA-SIN
38h 35m2 stops
$752
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Thu, Sep 18 - Tue, Sep 23
Logo
1:50 am - 6:36 pmSIN-SEA
31h 46m2 stops
Logo
7:15 pm - 7:05 amSEA-SIN
20h 50m1 stop
$756
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Wed, Sep 17 - Tue, Sep 23
STARLUX Airlines Logo
2:45 pm - 3:05 pmSIN-SEA
16h 20m1 stop
STARLUX Airlines Logo
11:45 pm - 1:25 pmSEA-SIN
21h 40m1 stop
$784STARLUX Airlines
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Tue, Nov 11 - Sat, Jan 24
STARLUX Airlines Logo
2:00 pm - 4:10 pmSIN-SEA
17h 10m1 stop
STARLUX Airlines Logo
1:15 am - 12:40 pmSEA-SIN
20h 25m1 stop
$809STARLUX Airlines
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Thu, Sep 18 - Mon, Sep 22

STARLUX Airlines flights from Singapore to Seattle

Our best STARLUX Airlines deals on Singapore to Seattle flight tickets
STARLUX Airlines
Nov 11
SIN2:45 pmSingapore Changi
16h 20m
1 stop
SEA3:05 pmSeattle/Tacoma Intl
Jan 24
SEA11:45 pmSeattle/Tacoma Intl
21h 40m
1 stop
SIN1:25 pmSingapore Changi
$784
Find similar
STARLUX Airlines
Sep 18
SIN2:00 pmSingapore Changi
17h 10m
1 stop
SEA4:10 pmSeattle/Tacoma Intl
Sep 22
SEA1:15 amSeattle/Tacoma Intl
20h 25m
1 stop
SIN12:40 pmSingapore Changi
$809
Find similar
STARLUX Airlines
Sep 11
SIN2:00 pmSingapore Changi
17h 10m
1 stop
SEA4:10 pmSeattle/Tacoma Intl
Sep 22
SEA1:15 amSeattle/Tacoma Intl
20h 25m
1 stop
SIN12:40 pmSingapore Changi
$818
Find similar

Air Canada flights from Singapore to Seattle

Our best Air Canada deals on Singapore to Seattle flight tickets
Air Canada
Nov 11
SIN9:00 pmSingapore Changi
33h 26m
2 stops
SEA2:26 pmSeattle/Tacoma Intl
Jan 24
SEA3:40 pmSeattle/Tacoma Intl
27h 35m
2 stops
SIN11:15 amSingapore Changi
$720
Find similar
Air Canada
Nov 11
SIN10:00 amSingapore Changi
20h 26m
1 stop
SEA2:26 pmSeattle/Tacoma Intl
Jan 24
SEA8:00 pmSeattle/Tacoma Intl
40h 55m
2 stops
SIN4:55 amSingapore Changi
$724
Find similar
Air Canada
Nov 21
SIN10:00 amSingapore Changi
20h 26m
1 stop
SEA2:26 pmSeattle/Tacoma Intl
Nov 30
SEA8:00 pmSeattle/Tacoma Intl
40h 55m
2 stops
SIN4:55 amSingapore Changi
$725
Find similar

See travel insights to Seattle from

How to get the cheapest flight ticket from Singapore 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 typical price of a round-trip flight between Singapore and Seattle?

What is the cheapest month to fly to Seattle?

In general, February is the cheapest month to fly from Singapore to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $855. If you don’t want to visit Seattle in February, then you should wait until March to fly from Singapore, when ticket prices are also cheap, with an average price of $855.

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

On average, the least expensive day to fly to Seattle from Singapore is on a Monday. momondo users have found tickets for Monday departures for as low as $1,040. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Singapore because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,655.

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

Flying to Seattle from Singapore at noon is the least expensive time of day to depart. momondo users have found prices as low as $847 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $1,299. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Singapore Changi to Seattle/Tacoma Intl flight route?

Fly from Singapore Changi to Seattle/Tacoma Intl for the best Singapore Changi - Seattle/Tacoma Intl flight prices

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

You are more likely to see cheaper flights to Seattle from Singapore when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $945 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Singapore for as low as $876 on momondo.

What cabin class options are available on Singapore Changi to Seattle/Tacoma Intl flights?

There are 3 cabin classes available to choose from on Singapore Changi to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Singapore to Seattle flights?

No. A direct flight is the cheapest option for a flight between Singapore to Seattle.

How have Singapore to Seattle flight prices changed over time?

As of July 2025, prices for Singapore to Seattle flights are approximately 24% cheaper when compared to flights at the same time last year.

When to book flights from Singapore to Seattle

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

Cheap Singapore to Seattle (SIN to SEA) flight deals and tips

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

Best Price Found

$410

Fastest flight time

14h 10m

Direct flights

Mon, Wed, Fri, Sat and Sun

Airports in Seattle

1 airport
The best one-way flight to Seattle from Singapore in the past 72 hours is $410. The best round-trip flight deal from Singapore to Seattle found on momondo in the last 72 hours is $628.
The fastest flight from Singapore to Seattle takes 14h 10m
Direct flights go from Singapore to Seattle on Monday, Wednesday, Friday, Saturday and Sunday. The only airline offering direct flights is Singapore Airlines.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
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  • How far is Singapore Changi to Seattle/Tacoma Intl by plane?

    A flight from Singapore Changi to Seattle/Tacoma Intl will travel around 8059.6 mi. A reasonable flight in good conditions will take 14h 10m.

  • When did momondo last update prices for flights from Singapore Changi Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Singapore Changi Airport to Seattle/Tacoma Intl Airport are updated daily.

  • How many operators does momondo search for flights from Singapore Changi Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Singapore Changi 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 layovers 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 Singapore Changi 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 you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Singapore to Seattle?

  • What is the most popular airline from Singapore to Seattle?

Best airlines flying from Singapore to Seattle

Compare and see reviews for airlines that fly from Singapore to Seattle with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $762Free CancellationRating
7.4
8,846 reviews
Search United Airlines flights
Singapore AirlinesPriceFrom $763Free CancellationRating
8.1
1,324 reviews
Search Singapore Airlines flights
EVA AirPriceFrom $779Free CancellationRating
8.4
1,215 reviews
Search EVA Air flights
STARLUX AirlinesPriceFrom $785Free CancellationRating
9.0
188 reviews
Search STARLUX Airlines flights
ANAPriceFrom $859Free CancellationRating
8.4
899 reviews
Search ANA flights

  • Singapore Airlines Flights From Singapore to Seattle

    Singapore Airlines operates around 3 flights from Singapore to Seattle every week. The average price of these flights found in the last 72 hours has been $1,299, but momondo users have found Singapore Airlines deals from Singapore to Seattle from as low as $763 round-trip. Singapore Airlines has been scored 8.1/10 in 1,324 reviews.

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
Renton
Federal Way
Kent
Lynnwood
Puyallup
Marysville
Tukwila
Kirkland
Lakewood
Fife
Shoreline
Centralia
Cle Elum
Westport
Redmond

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Singapore.

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

Yes. momondo allows you to filter the results for Singapore to Seattle flights to just show those with flexible booking policies.

How can momondo help me find flights from Singapore 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 Singapore to Seattle.

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

If you are not ready to book a flight from Singapore to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

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