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$265+ 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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SIN
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap flight deals from Seattle to Singapore

Keep the following information in mind while searching for Seattle to Singapore flight deals. Data was last updated January 8, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$774
(Air Canada)

One-way from

$265
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$753

Good round-trip deal

$789 or less

Good one-way deal

$310 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Singapore Changi flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Singapore Changi flights.
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From Seattle/Tacoma Intl to Singapore
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One-way flight from Seattle/Tacoma Intl to Singapore
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Highest demand for flights based on searches. 9% potential increase in price ($88 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Singapore.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Singapore.
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Find 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 January 8, 2026.

This Air Canada deal was found by Cheapflights users on 1/7. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/210:10 amSEA - SIN
1 stop28h 05mAir Canada
Sat 4/117:00 amSIN - SEA
1 stop17h 33mAir Canada
Deal found 1/7$774
This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
Sun 2/229:30 pmSEA - SIN
1 stop20h 05mMultiple Airlines
Wed 3/114:30 pmSIN - SEA
2 stops31h 35mMultiple Airlines
Deal found 1/6$777
This oojo deal was found by Cheapflights users on 1/6. 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.
Sun 6/2112:55 amSEA - SIN
1 stop29h 35mAsiana Airlines
Mon 7/610:50 pmSIN - SEA
1 stop31h 35mAsiana Airlines
Deal found 1/6$778
This FlightHub deal was found by Cheapflights users on 1/6. 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.
Mon 6/2212:55 amSEA - SIN
1 stop29h 35mAsiana Airlines
Mon 7/610:50 pmSIN - SEA
1 stop31h 35mAsiana Airlines
Deal found 1/6$779
This oojo deal was found by Cheapflights users on 1/7. 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.
Sat 3/149:45 amSEA - SIN
Nonstop17h 00mSingapore Airlines
Sun 3/299:00 amSIN - SEA
Nonstop14h 45mSingapore Airlines
Deal found 1/7$780
This Air Canada deal was found by Cheapflights users on 1/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:50 amSEA - SIN
2 stops27h 55mAir Canada
Tue 4/147:00 amSIN - SEA
1 stop27h 18mAir Canada
Deal found 1/6$782
This Air Canada deal was found by Cheapflights users on 1/7. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:00 pmSEA - SIN
2 stops27h 30mAir Canada
Wed 4/296:15 amSIN - SEA
2 stops28h 03mAir Canada
Deal found 1/7$783
This Asiana Airlines deal was found by Cheapflights users on 1/7. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1812:10 amSEA - SIN
1 stop29h 45mAsiana Airlines
Tue 3/1011:10 pmSIN - SEA
1 stop30h 45mAsiana Airlines
Deal found 1/7$785
This CheapOair deal was found by Cheapflights users on 1/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/238:00 pmSEA - SIN
2 stops23h 15mAir Canada
Wed 3/119:00 pmSIN - SEA
2 stops37h 16mAir Canada
Deal found 1/7$787
This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
Wed 3/1810:30 pmSEA - SIN
1 stop23h 30mMultiple Airlines
Wed 3/254:30 pmSIN - SEA
2 stops31h 35mMultiple Airlines
Deal found 1/6$788
This SmartFares deal was found by Cheapflights users on 1/8. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2211:00 amSEA - SIN
1 stop21h 10mKorean Air
Sun 3/110:30 pmSIN - SEA
1 stop26h 30mKorean Air
Deal found 1/8$789
This oojo deal was found by Cheapflights users on 1/8. 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.
Sun 1/1811:43 amSEA - SIN
2 stops45h 07mJapan Airlines
Sun 1/2510:25 pmSIN - SEA
2 stops34h 22mJapan Airlines
Deal found 1/8$790

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 January 8, 2026.
Use the filters below to find and compare flights from Seattle to Singapore that are best for you.

Fly from

Seattle

Fly to

Singapore

Route

Depart

Return

Price

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Tue 3/17

12:36 pm-7:00 am

1 stop27h 24m

Singapore Changi

Mon 3/30

9:00 am-2:36 pm

1 stop20h 36m

$791

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Tue 3/17

7:24 am-5:00 am

2 stops30h 36m

Singapore Changi

Tue 3/24

10:30 pm-10:00 am

1 stop26h 30m

$799

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Wed 2/18

11:25 am-8:25 pm

1 stop41h 00m

Singapore Changi

Sun 3/8

10:30 pm-2:20 pm

1 stop30h 50m

$801

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Thu 2/19

11:25 am-5:00 am

1 stop25h 35m

Singapore Changi

Wed 3/4

10:40 am-1:20 pm

1 stop18h 40m

$801

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Thu 2/12

11:00 am-12:10 am

1 stop21h 10m

Singapore Changi

Sun 2/22

10:30 pm-9:00 am

1 stop26h 30m

$805

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Sun 2/8

12:25 pm-8:15 pm

2 stops39h 50m

Singapore Changi

Wed 2/18

10:10 am-10:59 pm

2 stops28h 49m

$806

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Wed 3/18

7:24 am-5:00 am

2 stops30h 36m

Singapore Changi

Wed 3/25

10:30 pm-5:09 pm

2 stops33h 39m

$821

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Tue 2/17

3:25 pm-12:10 am

2 stops40h 45m

Singapore Changi

Mon 2/23

1:35 am-4:58 pm

2 stops31h 23m

$821

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Sun 2/1

2:02 pm-12:10 am

2 stops42h 08m

Singapore Changi

Mon 2/9

10:30 pm-4:54 pm

2 stops34h 24m

$828

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Tue 3/17

12:20 pm-7:00 am

2 stops27h 40m

Singapore Changi

Fri 3/27

10:10 am-6:32 pm

1 stop23h 22m

$830

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

Showing 1-10 of 22 results
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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, September is the cheapest month in which you can book a flight from Seattle to Singapore (average of $546). Flying from Seattle to Singapore in June is currently the most expensive (average of $788). 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 January 8, 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 123 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 January 8, 2026.
Get a feel of what it's like to fly with Korean Air, Asiana Airlines, and Singapore 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
1,188 reviews

Crew

8.7

Comfort

8.3

Boarding

8.5

Food

8.1

Overall

8.4

Entertainment

8.2

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
1,188 reviews
Korean Air
8.4
Very good
1,188 reviews

Crew

8.7

Comfort

8.3

Boarding

8.5

Food

8.1

Overall

8.4

Entertainment

8.2

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
8.2
Very good
499 reviews
Korean Air
8.4
Very good
1,188 reviews

Crew

8.7

Comfort

8.3

Boarding

8.5

Food

8.1

Overall

8.4

Entertainment

8.2

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
8.1
Very good
1,429 reviews
Korean Air
8.4
Very good
1,188 reviews

Crew

8.7

Comfort

8.3

Boarding

8.5

Food

8.1

Overall

8.4

Entertainment

8.2

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
9,139 reviews
Korean Air
8.4
Very good
1,188 reviews

Crew

8.7

Comfort

8.3

Boarding

8.5

Food

8.1

Overall

8.4

Entertainment

8.2

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
10,603 reviews
Korean Air
8.4
Very good
1,188 reviews

Crew

8.7

Comfort

8.3

Boarding

8.5

Food

8.1

Overall

8.4

Entertainment

8.2

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, 102 users have taken a look at flights from Seattle/Tacoma Intl to Singapore.

  • How long is the flight from Seattle to Singapore?

    United Airlines, Korean Air, and Delta can get you from Seattle to Singapore in just under 27h 24m. Your travel time can differ by up to 13h 36m. The distance from Seattle to Singapore is about 8059 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $268. Users have also found prices from $345 and $370 on Asiana Airlines and Japan Airlines, respectively.

  • What are the cheapest flights from Seattle to Singapore?

    On average you can expect to pay $2,121 for a flight from Seattle to Singapore. The cheapest flight overall is $276 while the most popular route, (Seattle/Tacoma Intl - Singapore Changi) is currently priced at $594.

  • 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, September is the cheapest month in which you can book a flight from Seattle to Singapore (average of $546). Flying from Seattle to Singapore in June is currently the most expensive (average of $788). 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

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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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$594Average$842FlexibilityNo cancel feeOn-time81%
Philippine AirlinesCheapest$648Average$695FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$662Average$788FlexibilityNo cancel feeOn-time76%
Japan AirlinesCheapest$687Average$825FlexibilityNo cancel feeOn-time79%
Air CanadaCheapest$712Average$860FlexibilityNo cancel feeOn-time67%
ANACheapest$718Average$1,127FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$724Average$888FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$736Average$959FlexibilityNo cancel feeOn-time81%
DeltaCheapest$750Average$948FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$933Average$1,273FlexibilityNo cancel feeOn-time70%

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