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Cheap flights from Singapore to Seattle from $409

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 3/11. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Hainan Airlines Logo
4:30 pm - 9:05 am
SIN
-
SEA
31h 35m2 stops
Hainan Airlines Logo
11:05 am - 3:10 am
SEA
-
SIN
25h 05m2 stops
$684Hainan Airlines
Wed, Mar 11 - Thu, Mar 26
China Airlines Logo
2:25 pm - 6:10 pm
SIN
-
SEA
19h 45m1 stop
China Airlines Logo
12:10 am - 1:05 pm
SEA
-
SIN
20h 55m1 stop
$733China Airlines
Mon, Feb 9 - Mon, Feb 23
China Airlines Logo
2:25 pm - 7:10 pm
SIN
-
SEA
19h 45m1 stop
China Airlines Logo
1:10 am - 1:05 pm
SEA
-
SIN
20h 55m1 stop
$734China Airlines
Tue, Mar 10 - Tue, Mar 24
China Airlines Logo
2:25 pm - 6:10 pm
SIN
-
SEA
19h 45m1 stop
China Airlines Logo
12:10 am - 12:40 am
SEA
-
SIN
32h 30m1 stop
$738China Airlines
Thu, Jan 22 - Sun, Feb 1
China Airlines Logo
2:25 pm - 6:10 pm
SIN
-
SEA
19h 45m1 stop
China Airlines Logo
12:10 am - 1:05 pm
SEA
-
SIN
20h 55m1 stop
$740China Airlines
Mon, Feb 9 - Tue, Feb 24
China Airlines Logo
2:00 am - 6:10 pm
SIN
-
SEA
32h 10m1 stop
China Airlines Logo
12:10 am - 1:05 pm
SEA
-
SIN
20h 55m1 stop
$741China Airlines
Wed, Feb 18 - Mon, Feb 23
China Airlines Logo
2:25 pm - 7:10 pm
SIN
-
SEA
19h 45m1 stop
China Airlines Logo
1:15 am - 12:35 pm
SEA
-
SIN
20h 20m1 stop
$755China Airlines
Sat, Mar 21 - Mon, Mar 30
China Airlines Logo
2:25 pm - 7:10 pm
SIN
-
SEA
19h 45m1 stop
China Airlines Logo
1:15 am - 12:35 pm
SEA
-
SIN
20h 20m1 stop
$757China Airlines
Sat, Mar 21 - Mon, Mar 30
China Airlines Logo
2:25 pm - 7:10 pm
SIN
-
SEA
19h 45m1 stop
China Airlines Logo
1:10 am - 1:05 pm
SEA
-
SIN
20h 55m1 stop
$758China Airlines
Thu, Mar 12 - Thu, Mar 26
China Airlines Logo
2:00 am - 7:10 pm
SIN
-
SEA
32h 10m1 stop
China Airlines Logo
1:15 am - 12:35 pm
SEA
-
SIN
20h 20m1 stop
$764China Airlines
Sat, Mar 14 - Mon, Mar 30

China Airlines flights from Singapore to Seattle

Our best China Airlines deals on Singapore to Seattle flight tickets
China Airlines
Feb 9
SIN2:25 pmSingapore Changi
19h 45m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Feb 23
SEA12:10 amSeattle/Tacoma Intl
20h 55m
1 stop
SIN1:05 pmSingapore Changi
$733
China Airlines
Mar 10
SIN2:25 pmSingapore Changi
19h 45m
1 stop
SEA7:10 pmSeattle/Tacoma Intl
Mar 24
SEA1:10 amSeattle/Tacoma Intl
20h 55m
1 stop
SIN1:05 pmSingapore Changi
$734
China Airlines
Jan 22
SIN2:25 pmSingapore Changi
19h 45m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Feb 1
SEA12:10 amSeattle/Tacoma Intl
32h 30m
1 stop
SIN12:40 amSingapore Changi
$738

United Airlines flights from Singapore to Seattle

Our best United Airlines deals on Singapore to Seattle flight tickets
United Airlines
Feb 14
SIN10:10 amSingapore Changi
24h 17m
1 stop
SEA6:27 pmSeattle/Tacoma Intl
Feb 24
SEA9:19 amSeattle/Tacoma Intl
30h 41m
1 stop
SIN8:00 amSingapore Changi
$778
United Airlines
Feb 20
SIN10:20 pmSingapore Changi
28h 58m
1 stop
SEA11:18 amSeattle/Tacoma Intl
Feb 27
SEA5:20 pmSeattle/Tacoma Intl
34h 55m
1 stop
SIN8:15 pmSingapore Changi
$779
United Airlines
Feb 4
SIN10:20 pmSingapore Changi
36h 07m
1 stop
SEA6:27 pmSeattle/Tacoma Intl
Feb 11
SEA6:03 amSeattle/Tacoma Intl
22h 12m
1 stop
SIN8:15 pmSingapore Changi
$782

momondo Fare Finder

 
Customize your flight search to find flights from Singapore to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 8, 2026.
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

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 3/11

4:30 pm-9:05 am

2 stops31h 35m

Seattle/Tacoma Intl

Thu 3/26

11:05 am-3:10 am

2 stops25h 05m

$684

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 2/9

2:25 pm-6:10 pm

1 stop19h 45m

Seattle/Tacoma Intl

Mon 2/23

12:10 am-1:05 pm

1 stop20h 55m

$733

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 3/10

2:25 pm-7:10 pm

1 stop19h 45m

Seattle/Tacoma Intl

Tue 3/24

1:10 am-1:05 pm

1 stop20h 55m

$734

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 1/22

2:25 pm-6:10 pm

1 stop19h 45m

Seattle/Tacoma Intl

Sun 2/1

12:10 am-12:40 am

1 stop32h 30m

$738

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 2/9

2:25 pm-6:10 pm

1 stop19h 45m

Seattle/Tacoma Intl

Tue 2/24

12:10 am-1:05 pm

1 stop20h 55m

$740

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 2/18

2:00 am-6:10 pm

1 stop32h 10m

Seattle/Tacoma Intl

Mon 2/23

12:10 am-1:05 pm

1 stop20h 55m

$741

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 3/21

2:25 pm-7:10 pm

1 stop19h 45m

Seattle/Tacoma Intl

Mon 3/30

1:15 am-12:35 pm

1 stop20h 20m

$755

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 3/21

2:25 pm-7:10 pm

1 stop19h 45m

Seattle/Tacoma Intl

Mon 3/30

1:15 am-12:35 pm

1 stop20h 20m

$757

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 3/12

2:25 pm-7:10 pm

1 stop19h 45m

Seattle/Tacoma Intl

Thu 3/26

1:10 am-1:05 pm

1 stop20h 55m

$758

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 3/14

2:00 am-7:10 pm

1 stop32h 10m

Seattle/Tacoma Intl

Mon 3/30

1:15 am-12:35 pm

1 stop20h 20m

$764

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 cheapest month to fly to Seattle?

In general, October 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 $781. If you don’t want to visit Seattle in October, then you should wait until September to fly from Singapore, when ticket prices are also cheap, with an average price of $831.

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 Friday. momondo users have found tickets for Friday departures for as low as $946. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday 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 $1,995.

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 $870 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 $805 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 January 2026, prices for Singapore to Seattle flights are approximately 15% 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

Fastest flight time

14h 10m

Direct flights

Mon, Wed, Fri, Sat and Sun

Airports in Seattle

1 airport
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 in Seattle. From Singapore there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

  • 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 $761Free CancellationRating
7.4
9,142 reviews
Search United Airlines flights
EVA AirPriceFrom $779Free CancellationRating
8.4
1,314 reviews
Search EVA Air flights
STARLUX AirlinesPriceFrom $785Free CancellationRating
8.9
258 reviews
Search STARLUX Airlines flights
Singapore AirlinesPriceFrom $910Free CancellationRating
8.1
1,429 reviews
Search Singapore Airlines flights

  • Singapore Airlines Flights From Singapore to Seattle

    Singapore Airlines operates around 4 flights from Singapore to Seattle every week. The average price of these flights found in the last 72 hours has been $1,158, but momondo users have found Singapore Airlines deals from Singapore to Seattle from as low as $910 round-trip. Singapore Airlines has been scored 8.1/10 in 1,429 reviews.

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

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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