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$281+ Cheap flights from Seattle (SEA) to Singapore

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SIN
Mar 27 — Apr 31
Fri 3/27
Fri 4/3
1 adult, Economy
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Cheap flight deals from Seattle to Singapore

Cheapest flights from Seattle to Singapore
Explore the most affordable flight options available from Seattle to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 25, 2026.

This FlightHub deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1410:15 am
SEA
-
SIN
Nonstop16h 20m
Singapore Airlines
Tue 5/59:00 am
SIN
-
SEA
Nonstop14h 45m
Singapore Airlines
Deal found 2/23$525
This oojo deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/710:15 am
SEA
-
SIN
Nonstop16h 20m
Singapore Airlines
Fri 4/249:00 am
SIN
-
SEA
Nonstop14h 45m
Singapore Airlines
Deal found 2/23$527
This Justfly.com deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/310:15 am
SEA
-
SIN
Nonstop16h 20m
Singapore Airlines
Sat 5/169:00 am
SIN
-
SEA
Nonstop14h 45m
Singapore Airlines
Deal found 2/25$553
This Ovago deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1610:15 am
SEA
-
SIN
Nonstop16h 20m
Singapore Airlines
Thu 4/309:00 am
SIN
-
SEA
Nonstop14h 45m
Singapore Airlines
Deal found 2/22$569
This oojo deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:50 pm
SEA
-
SIN
1 stop20h 05m
Korean Air
Mon 9/281:25 am
SIN
-
SEA
1 stop24h 15m
Korean Air
Deal found 2/24$585
This Trip.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/910:15 am
SEA
-
SIN
Nonstop16h 20m
Singapore Airlines
Thu 4/169:00 am
SIN
-
SEA
Nonstop14h 45m
Singapore Airlines
Deal found 2/23$592
This CrystalTravel deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/84:30 pm
SEA
-
SIN
1 stop23h 10m
ANA
Mon 9/1411:05 am
SIN
-
SEA
1 stop18h 20m
ANA
Deal found 2/23$609
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/810:15 am
SEA
-
SIN
Nonstop16h 20m
Singapore Airlines
Thu 5/219:00 am
SIN
-
SEA
Nonstop14h 45m
Singapore Airlines
Deal found 2/23$612
This United Airlines deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:12 am
SEA
-
SIN
1 stop20h 23m
United Airlines
Thu 4/238:35 pm
SIN
-
SEA
1 stop29h 04m
United Airlines
Deal found 2/22$613
This United Airlines deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:12 am
SEA
-
SIN
1 stop20h 23m
United Airlines
Thu 4/169:00 am
SIN
-
SEA
1 stop24h 35m
United Airlines
Deal found 2/23$614
This CrystalTravel deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:30 pm
SEA
-
SIN
1 stop23h 10m
ANA
Tue 4/2812:50 am
SIN
-
SEA
1 stop28h 35m
ANA
Deal found 2/25$619

Find flight deals from Seattle to Singapore

Keep the following information in mind while searching for Seattle to Singapore flight deals. Data was last updated February 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$525
(FlightHub)

One-way from

$281
(CheapTickets)

Popular in

December

Cheapest in

September

Average price

$756

Good round-trip deal

$608 or less

Good one-way deal

$301 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Singapore Changi flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Singapore Changi flights.
Search Deals
From Seattle/Tacoma Intl to Singapore
Search Deals
One-way flight from Seattle/Tacoma Intl to Singapore
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($121 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Singapore.
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to Singapore.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Singapore 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, Cheapflights users made 2,558,603 searches. Data last updated February 25, 2026.
Use the filters below to find and compare flights from Seattle to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Sat 5/9

1:16 pm-6:45 am

1 stop26h 29m

Singapore Changi

Tue 5/19

11:05 am-2:25 pm

1 stop18h 20m

$621

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Tue 3/10

7:15 am-8:15 pm

1 stop22h 00m

Singapore Changi

Thu 3/26

10:10 am-11:28 pm

1 stop28h 18m

$622

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Sun 4/26

7:12 am-6:35 pm

1 stop20h 23m

Singapore Changi

Sun 5/10

8:35 pm-1:12 am

1 stop19h 37m

$622

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Sat 5/9

7:36 pm-6:45 am

1 stop20h 09m

Singapore Changi

Sat 5/23

8:35 pm-1:13 am

1 stop19h 38m

$622

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Tue 4/14

7:12 am-6:35 pm

1 stop20h 23m

Singapore Changi

Tue 4/21

9:00 am-2:46 pm

1 stop20h 46m

$622

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Wed 4/1

7:12 am-6:35 pm

1 stop20h 23m

Singapore Changi

Wed 4/8

9:00 am-9:46 pm

2 stops27h 46m

$626

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Sun 3/8

8:45 am-7:00 am

2 stops31h 15m

Singapore Changi

Wed 3/11

10:20 pm-3:50 pm

2 stops32h 30m

$626

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Thu 5/7

12:34 pm-6:45 am

2 stops27h 11m

Singapore Changi

Mon 5/25

8:35 pm-1:29 am

1 stop19h 54m

$626

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Mon 4/13

7:12 am-6:35 pm

1 stop20h 23m

Singapore Changi

Mon 4/20

8:35 pm-10:39 am

1 stop29h 04m

$738

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Tue 5/12

9:20 pm-11:55 pm

2 stops35h 35m

Singapore Changi

Tue 5/26

7:30 am-4:01 pm

2 stops23h 31m

$785

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Seattle to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Singapore

What is the cheapest month to book a flight from Seattle to Singapore?

Currently, April is the cheapest month in which you can book a flight from Seattle to Singapore (average of $509). Flying from Seattle to Singapore in December is currently the most expensive (average of $760). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to SG?

Find hourly flight availability from Seattle to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 25, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Singapore as you normally would.

How often are flights from Seattle to Singapore delayed?

About 25% of weekly flights between Seattle and Singapore have experienced delays in the past year, with the average delay time being 94 minutes.

What is the most punctual flight time for Seattle to Singapore flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Friday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Seattle to Singapore flights?

Over the last year, Singapore Airlines have had the lowest number of delays on this route, with just 25% of flights being delayed.

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Singapore. Reviews last updated February 25, 2026.
Get a feel of what it's like to fly with Korean Air, Singapore Airlines, and Asiana Airlines from Seattle to Singapore by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,195 reviews

Food

8.1

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,195 reviews
Korean Air
8.4
Very good
1,195 reviews

Food

8.1

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Singapore Airlines
8.2
Very good
1,463 reviews
Korean Air
8.4
Very good
1,195 reviews

Food

8.1

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Asiana Airlines
8.1
Very good
502 reviews
Korean Air
8.4
Very good
1,195 reviews

Food

8.1

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
United Airlines
7.4
Good
9,348 reviews
Korean Air
8.4
Very good
1,195 reviews

Food

8.1

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Air Canada
7.1
Good
10,747 reviews
Korean Air
8.4
Very good
1,195 reviews

Food

8.1

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from Seattle to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Singapore?

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to Singapore. It is only a 11.4 mi journey to Seattle/Tacoma Intl (SEA) from Seattle’s city center.

  • How popular is this Seattle to Singapore flight route?

    Within the past month, 106 users have taken a look at flights from Seattle/Tacoma Intl to Singapore.

  • How long is the flight from Seattle to Singapore?

    United Airlines can get you from Seattle to Singapore in just under 26h 29m. Your travel time can differ by up to . The distance from Seattle to Singapore is about 8059 mi.

  • What are the cheapest airlines to fly from Seattle to Singapore one-way?

    For one-way options, check prices for Singapore Airlines. According to our data, you can fly for as low as $262. Users have also found prices from $291 and $344 on Philippine Airlines and Asiana Airlines, respectively.

  • What are the cheapest flights from Seattle to Singapore?

    On average you can expect to pay $1,622 for a flight from Seattle to Singapore. The cheapest flight overall is $260 while the most popular route, (Seattle/Tacoma Intl - Singapore Changi) is currently priced at $496.

  • Can I find deals for flights from Seattle to Singapore that include hotel bookings?

    Yes. In addition to deals on Seattle to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Singapore.

  • Can I find deals for business class flights from Seattle to Singapore?

    Yes. Cheapflights offers flight deals from Seattle to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Singapore?

    Currently, April is the cheapest month in which you can book a flight from Seattle to Singapore (average of $509). Flying from Seattle to Singapore in December is currently the most expensive (average of $760). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Seattle to Singapore

Discover the top 10 airlines that operate flights from Seattle to Singapore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$543Average$813FlexibilityNo cancel feeOn-time81%
Philippine AirlinesCheapest$650Average$694FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$668Average$788FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$711Average$849FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$742Average$892FlexibilityNo cancel feeOn-time69%
DeltaCheapest$754Average$962FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$755Average$985FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$792Average$896FlexibilityNo cancel feeOn-time79%
ANACheapest$802Average$889FlexibilityNo cancel feeOn-time80%
China AirlinesCheapest$933Average$1,273FlexibilityNo cancel feeOn-time70%

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