Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Singapore to Seattle from $424

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 6/16. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Singapore to Seattle

Recent round-trip flight deals from Singapore to Seattle

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:30 pm - 9:05 am
SIN
-
SEA
31h 35m
2 stops
Multiple Airlines Logo
9:45 am - 5:45 pm
SEA
-
SIN
17h 00mnonstop
$717Multiple Airlines
Wed, Mar 18 - Tue, Mar 24
Multiple Airlines Logo
4:30 pm - 9:05 am
SIN
-
SEA
31h 35m
2 stops
Multiple Airlines Logo
11:10 pm - 9:05 am
SEA
-
SIN
18h 55m
1 stop
$746Multiple Airlines
Wed, Mar 18 - Tue, Mar 31
Multiple Airlines Logo
4:30 pm - 9:05 am
SIN
-
SEA
31h 35m
2 stops
Multiple Airlines Logo
10:15 am - 5:35 pm
SEA
-
SIN
16h 20mnonstop
$748Multiple Airlines
Wed, Mar 18 - Tue, Mar 31
Cathay Pacific Logo
1:25 pm - 10:05 am
SIN
-
SEA
35h 40m
1 stop
Cathay Pacific Logo
11:45 am - 3:05 pm
SEA
-
SIN
36h 20m
1 stop
$754Cathay Pacific
Mon, Mar 30 - Thu, Apr 16
Cathay Pacific Logo
7:20 am - 10:05 am
SIN
-
SEA
17h 45m
1 stop
Cathay Pacific Logo
11:45 am - 12:45 am
SEA
-
SIN
22h 00m
1 stop
$759Cathay Pacific
Wed, May 6 - Sat, May 16
China Airlines Logo
2:00 am - 7:15 pm
SIN
-
SEA
32h 15m
1 stop
China Airlines Logo
1:15 am - 12:35 pm
SEA
-
SIN
20h 20m
1 stop
$762China Airlines
Mon, Apr 6 - Tue, Apr 21
China Airlines Logo
2:25 pm - 7:10 pm
SIN
-
SEA
19h 45m
1 stop
China Airlines Logo
1:10 am - 1:05 pm
SEA
-
SIN
20h 55m
1 stop
$763China Airlines
Thu, Mar 12 - Mon, Mar 16
Cathay Pacific Logo
8:05 pm - 10:05 am
SIN
-
SEA
29h 00m
1 stop
Cathay Pacific Logo
11:45 am - 11:45 am
SEA
-
SIN
33h 00m
1 stop
$764Cathay Pacific
Sun, Apr 5 - Thu, Apr 9
United Airlines Logo
10:10 am - 6:26 pm
SIN
-
SEA
24h 16m
1 stop
United Airlines Logo
5:20 pm - 8:15 pm
SEA
-
SIN
34h 55m
1 stop
$786United Airlines
Mon, Feb 16 - Mon, Feb 23
STARLUX Airlines Logo
2:45 pm - 4:05 pm
SIN
-
SEA
16h 20m
1 stop
STARLUX Airlines Logo
1:15 am - 12:40 pm
SEA
-
SIN
20h 25m
1 stop
$789STARLUX Airlines
Sun, Mar 22 - Sat, Mar 28

United Airlines flights from Singapore to Seattle

Our best United Airlines deals on Singapore to Seattle flight tickets
United Airlines
Feb 16
SIN10:10 amSingapore Changi
24h 16m
1 stop
SEA6:26 pmSeattle/Tacoma Intl
Feb 23
SEA5:20 pmSeattle/Tacoma Intl
34h 55m
1 stop
SIN8:15 pmSingapore Changi
$786
United Airlines
Feb 11
SIN10:10 amSingapore Changi
21h 34m
1 stop
SEA3:44 pmSeattle/Tacoma Intl
Feb 28
SEA7:29 pmSeattle/Tacoma Intl
32h 46m
1 stop
SIN8:15 pmSingapore Changi
$802
United Airlines
Mar 26
SIN10:10 amSingapore Changi
21h 04m
1 stop
SEA4:14 pmSeattle/Tacoma Intl
Mar 30
SEA7:37 pmSeattle/Tacoma Intl
20h 08m
1 stop
SIN6:45 amSingapore Changi
$823

STARLUX Airlines flights from Singapore to Seattle

Our best STARLUX Airlines deals on Singapore to Seattle flight tickets
STARLUX Airlines
Mar 22
SIN2:45 pmSingapore Changi
16h 20m
1 stop
SEA4:05 pmSeattle/Tacoma Intl
Mar 28
SEA1:15 amSeattle/Tacoma Intl
20h 25m
1 stop
SIN12:40 pmSingapore Changi
$789
STARLUX Airlines
Mar 3
SIN2:45 pmSingapore Changi
16h 20m
1 stop
SEA3:05 pmSeattle/Tacoma Intl
Mar 9
SEA12:45 amSeattle/Tacoma Intl
21h 40m
1 stop
SIN1:25 pmSingapore Changi
$791
STARLUX Airlines
Mar 26
SIN2:45 pmSingapore Changi
16h 20m
1 stop
SEA4:05 pmSeattle/Tacoma Intl
Mar 29
SEA1:15 amSeattle/Tacoma Intl
20h 25m
1 stop
SIN12:40 pmSingapore Changi
$810

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 February 6, 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 3/18

4:30 pm-9:05 am

2 stops31h 35m

Seattle/Tacoma Intl

Tue 3/24

9:45 am-5:45 pm

Nonstop17h 00m

$717

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 3/18

4:30 pm-9:05 am

2 stops31h 35m

Seattle/Tacoma Intl

Tue 3/31

11:10 pm-9:05 am

1 stop18h 55m

$746

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 3/18

4:30 pm-9:05 am

2 stops31h 35m

Seattle/Tacoma Intl

Tue 3/31

10:15 am-5:35 pm

Nonstop16h 20m

$748

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 3/30

1:25 pm-10:05 am

1 stop35h 40m

Seattle/Tacoma Intl

Thu 4/16

11:45 am-3:05 pm

1 stop36h 20m

$754

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 5/6

7:20 am-10:05 am

1 stop17h 45m

Seattle/Tacoma Intl

Sat 5/16

11:45 am-12:45 am

1 stop22h 00m

$759

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 4/6

2:00 am-7:15 pm

1 stop32h 15m

Seattle/Tacoma Intl

Tue 4/21

1:15 am-12:35 pm

1 stop20h 20m

$762

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 3/12

2:25 pm-7:10 pm

1 stop19h 45m

Seattle/Tacoma Intl

Mon 3/16

1:10 am-1:05 pm

1 stop20h 55m

$763

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 4/5

8:05 pm-10:05 am

1 stop29h 00m

Seattle/Tacoma Intl

Thu 4/9

11:45 am-11:45 am

1 stop33h 00m

$764

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 2/16

10:10 am-6:26 pm

1 stop24h 16m

Seattle/Tacoma Intl

Mon 2/23

5:20 pm-8:15 pm

1 stop34h 55m

$786

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 3/22

2:45 pm-4:05 pm

1 stop16h 20m

Seattle/Tacoma Intl

Sat 3/28

1:15 am-12:40 pm

1 stop20h 25m

$789

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $832.

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 $1,077. 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 to Seattle/Tacoma Intl flight route?

Fly from Singapore Changi to Seattle/Tacoma Intl for the best Singapore - 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 $868 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 to Seattle/Tacoma Intl flights?

There are 3 cabin classes available to choose from on Singapore 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.

Cheap Singapore to Seattle 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

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

    Prices for flights from Singapore to Seattle/Tacoma Intl Airport were last updated today.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Singapore 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 license 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 plane model 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
9,245 reviews
Search United Airlines flights
EVA AirPriceFrom $776Free CancellationRating
8.4
1,347 reviews
Search EVA Air flights
STARLUX AirlinesPriceFrom $785Free CancellationRating
8.9
271 reviews
Search STARLUX Airlines flights
Singapore AirlinesPriceFrom $910Free CancellationRating
8.2
1,451 reviews
Search Singapore 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
Olympia
Lynnwood
Kent
Marysville
Redmond
Puyallup
Cle Elum
Tukwila
Lakewood
Federal Way
Westport
Kirkland
Centralia
Fife
Tumwater

Why use momondo?

Why should I use momondo to find a flight deal from Singapore 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 Singapore to Seattle for you.

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

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 3/8
Sun 3/15
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States