Cheap flights from Singapore to Seattle from $442

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Singapore to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:30 pm - 2:10 pmSIN  Singapore Changi-SEA Seattle/Tacoma Intl
31h 40m1 stop Incheon Intl
Multiple Airlines Logo
8:40 am - 5:45 pmSEA  Seattle/Tacoma Intl-SIN Singapore Changi
17h 05mnonstop
$822Multiple Airlines
Thu, Feb 4 - Tue, Feb 16
Multiple Airlines Logo
10:30 pm - 2:10 pmSIN  Singapore Changi-SEA Seattle/Tacoma Intl
31h 40m1 stop Incheon Intl
Multiple Airlines Logo
8:40 am - 5:45 pmSEA  Seattle/Tacoma Intl-SIN Singapore Changi
17h 05mnonstop
$825Multiple Airlines
Thu, Feb 4 - Tue, Feb 16
Multiple Airlines Logo
10:30 pm - 2:10 pmSIN  Singapore Changi-SEA Seattle/Tacoma Intl
31h 40m1 stop Incheon Intl
Multiple Airlines Logo
8:40 am - 5:45 pmSEA  Seattle/Tacoma Intl-SIN Singapore Changi
17h 05mnonstop
$826Multiple Airlines
Thu, Feb 4 - Tue, Feb 16
Multiple Airlines Logo
2:00 am - 6:10 pmSIN  Singapore Changi-SEA Seattle/Tacoma Intl
32h 10m1 stop Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
8:40 am - 5:45 pmSEA  Seattle/Tacoma Intl-SIN Singapore Changi
17h 05mnonstop
$829Multiple Airlines
Wed, Feb 3 - Tue, Feb 16
STARLUX Airlines Logo
2:45 pm - 3:05 pmSIN  Singapore Changi-SEA Seattle/Tacoma Intl
16h 20m1 stop Taipei City Taiwan Taoyuan Intl
STARLUX Airlines Logo
11:45 pm - 1:25 pmSEA  Seattle/Tacoma Intl-SIN Singapore Changi
21h 40m1 stop Taipei City Taiwan Taoyuan Intl
$948STARLUX Airlines
Fri, Dec 4 - Fri, Dec 11
STARLUX Airlines Logo
2:45 pm - 3:05 pmSIN  Singapore Changi-SEA Seattle/Tacoma Intl
16h 20m1 stop Taipei City Taiwan Taoyuan Intl
STARLUX Airlines Logo
11:45 pm - 1:25 pmSEA  Seattle/Tacoma Intl-SIN Singapore Changi
21h 40m1 stop Taipei City Taiwan Taoyuan Intl
$970STARLUX Airlines
Thu, Dec 24 - Sat, Jan 2
STARLUX Airlines Logo
2:45 pm - 3:05 pmSIN  Singapore Changi-SEA Seattle/Tacoma Intl
16h 20m1 stop Taipei City Taiwan Taoyuan Intl
STARLUX Airlines Logo
11:45 pm - 1:25 pmSEA  Seattle/Tacoma Intl-SIN Singapore Changi
21h 40m1 stop Taipei City Taiwan Taoyuan Intl
$970STARLUX Airlines
Tue, Dec 22 - Sat, Jan 2
Singapore Airlines Logo
8:55 am - 7:05 amSIN  Singapore Changi-SEA Seattle/Tacoma Intl
14h 10mnonstop
Singapore Airlines Logo
8:40 am - 5:45 pmSEA  Seattle/Tacoma Intl-SIN Singapore Changi
17h 05mnonstop
$978Singapore Airlines
Fri, Nov 20 - Sun, Nov 29
Singapore Airlines Logo
9:00 am - 8:45 amSIN  Singapore Changi-SEA Seattle/Tacoma Intl
14h 45mnonstop
Singapore Airlines Logo
10:15 am - 5:35 pmSEA  Seattle/Tacoma Intl-SIN Singapore Changi
16h 20mnonstop
$1,034Singapore Airlines
Sat, Apr 10 - Sat, Apr 17
Singapore Airlines Logo
8:55 am - 7:05 amSIN  Singapore Changi-SEA Seattle/Tacoma Intl
14h 10mnonstop
Singapore Airlines Logo
9:40 am - 5:45 pmSEA  Seattle/Tacoma Intl-SIN Singapore Changi
17h 05mnonstop
$1,071Singapore Airlines
Sun, Mar 14 - Sun, Mar 21

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China Airlines flights from Singapore to Seattle

Our best China Airlines deals on Singapore to Seattle flight tickets
China Airlines
Dec 21
SIN2:25 pmSingapore Changi
19h 45m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Dec 29
SEA12:10 amSeattle/Tacoma Intl
32h 30m
1 stop
SIN12:40 amSingapore Changi
$842
China Airlines
Dec 14
SIN2:00 amSingapore Changi
32h 10m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Dec 29
SEA12:10 amSeattle/Tacoma Intl
32h 30m
1 stop
SIN12:40 amSingapore Changi
$858
China Airlines
Dec 21
SIN2:25 pmSingapore Changi
19h 45m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Dec 29
SEA12:10 amSeattle/Tacoma Intl
32h 30m
1 stop
SIN12:40 amSingapore Changi
$862

STARLUX Airlines flights from Singapore to Seattle

Our best STARLUX Airlines deals on Singapore to Seattle flight tickets
STARLUX Airlines
Nov 13
SIN2:45 pmSingapore Changi
16h 20m
1 stop
SEA3:05 pmSeattle/Tacoma Intl
Nov 29
SEA11:45 pmSeattle/Tacoma Intl
21h 40m
1 stop
SIN1:25 pmSingapore Changi
$878
STARLUX Airlines
Dec 4
SIN2:45 pmSingapore Changi
16h 20m
1 stop
SEA3:05 pmSeattle/Tacoma Intl
Dec 11
SEA11:45 pmSeattle/Tacoma Intl
21h 40m
1 stop
SIN1:25 pmSingapore Changi
$948
STARLUX Airlines
Nov 11
SIN2:45 pmSingapore Changi
16h 20m
1 stop
SEA3:05 pmSeattle/Tacoma Intl
Dec 5
SEA11:45 pmSeattle/Tacoma Intl
21h 40m
1 stop
SIN1:25 pmSingapore Changi
$950

momondo Fare Finder

 
Use the filters below to find and compare flights from Singapore to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Thu 2/4

10:30 pm-2:10 pm

1 stop31h 40m

Seattle/Tacoma Intl

Tue 2/16

8:40 am-5:45 pm

Nonstop17h 05m

$822

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Thu 2/4

10:30 pm-2:10 pm

1 stop31h 40m

Seattle/Tacoma Intl

Tue 2/16

8:40 am-5:45 pm

Nonstop17h 05m

$825

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Thu 2/4

10:30 pm-2:10 pm

1 stop31h 40m

Seattle/Tacoma Intl

Tue 2/16

8:40 am-5:45 pm

Nonstop17h 05m

$826

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Wed 2/3

2:00 am-6:10 pm

1 stop32h 10m

Seattle/Tacoma Intl

Tue 2/16

8:40 am-5:45 pm

Nonstop17h 05m

$829

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Fri 12/4

2:45 pm-3:05 pm

1 stop16h 20m

Seattle/Tacoma Intl

Fri 12/11

11:45 pm-1:25 pm

1 stop21h 40m

$948

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Thu 12/24

2:45 pm-3:05 pm

1 stop16h 20m

Seattle/Tacoma Intl

Sat 1/2

11:45 pm-1:25 pm

1 stop21h 40m

$970

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Tue 12/22

2:45 pm-3:05 pm

1 stop16h 20m

Seattle/Tacoma Intl

Sat 1/2

11:45 pm-1:25 pm

1 stop21h 40m

$970

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Fri 11/20

8:55 am-7:05 am

Nonstop14h 10m

Seattle/Tacoma Intl

Sun 11/29

8:40 am-5:45 pm

Nonstop17h 05m

$978
Quickest round-trip

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Sat 4/10

9:00 am-8:45 am

Nonstop14h 45m

Seattle/Tacoma Intl

Sat 4/17

10:15 am-5:35 pm

Nonstop16h 20m

$1,034

SingaporeSeattle

SIN Singapore Changi - SEA Seattle/Tacoma Intl

SINSEA

Singapore Changi

Sun 3/14

8:55 am-7:05 am

Nonstop14h 10m

Seattle/Tacoma Intl

Sun 3/21

9:40 am-5:45 pm

Nonstop17h 05m

$1,071

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

Prices are currently typical for flights on this route.

Typical prices usually range from $756 to $869.
The lowest price recently found on this route was $822.

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 $835. If you don’t want to visit Seattle in February, then you should wait until November to fly from Singapore, when ticket prices are also cheap, with an average price of $848.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,021. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday 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 $1,703.

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 from Singapore 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 $944 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 $666 on momondo.

What cabin class options are available on Singapore to Seattle flights?

There are 3 cabin classes available to choose from on Singapore to Seattle 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?

You could potentially save up to 2% on your flight if you consider stops on a Singapore to Seattle flight.

How have Singapore to Seattle flight prices changed over time?

As of November 2026, prices for Singapore to Seattle flights are approximately 13% 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

$442

Fastest flight time

14h 10m

Direct flights

Mon, Wed, Thu, Sat and Sun

Airports in Seattle

1 airport
The best one-way flight to Seattle from Singapore in the past 72 hours is $442. The best round-trip flight deal from Singapore to Seattle found on momondo in the last 72 hours is $822.
The fastest flight from Singapore to Seattle takes 14h 10m
Direct flights go from Singapore to Seattle on Monday, Wednesday, Thursday, Saturday and Sunday. The only airline offering direct flights is Singapore Airlines.
There is 1 airport in Seattle. From Singapore there are direct flights to Seattle/Tacoma Intl (SEA).

Frequently asked questions about flying from Singapore to Seattle

  • 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
Singapore AirlinesPriceFrom $778Free CancellationRating
8.2
1,633 reviews
Search Singapore Airlines flights
STARLUX AirlinesPriceFrom $798Free CancellationRating
8.8
414 reviews
Search STARLUX Airlines flights

Traveling to a place near Seattle?

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

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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1 adult
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