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$508+ Cheap flights from Singapore to Seattle (SEA)

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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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Cheap flight deals from Singapore to Seattle

Keep the following information in mind while searching for Singapore to Seattle flight deals. Data was last updated June 18, 2025.

Round-trip from

$768
(Jettzy)

One-way from

$508
(Cheapflightsfares)

Popular in

August

Cheapest in

February

Average price

$1,042

Good one-way deal

$834 or less
From Singapore to Seattle/Tacoma Intl
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One-way flight from Singapore to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 9% potential increase in price ($98 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a one-way flight from Singapore to Seattle/Tacoma Intl.
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Find flight deals from Singapore to Seattle

Cheapest flights from Singapore to Seattle
Explore the most affordable flight options available from Singapore to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2025.

This Jettzy deal was found by Cheapflights users on 6/18. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1110:50 pmSIN - SEA
1 stop28h 40mAsiana Airlines
Tue 9/232:15 pmSEA - SIN
1 stop40h 15mAsiana Airlines
Deal found 6/18$768
This Gotogate deal was found by Cheapflights users on 6/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/98:05 amSIN - SEA
2 stops28h 36mJapan Airlines
Sun 7/138:41 amSEA - SIN
2 stops24h 39mJapan Airlines
Deal found 6/16$774
This Air Canada deal was found by Cheapflights users on 6/16. 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 9/119:10 amSIN - SEA
1 stop24h 26mAir Canada
Tue 9/2310:00 amSEA - SIN
2 stops28h 00mAir Canada
Deal found 6/16$797
This Gotogate deal was found by Cheapflights users on 6/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/82:00 pmSIN - SEA
1 stop17h 10mSTARLUX Airlines
Wed 9/241:15 amSEA - SIN
1 stop20h 25mSTARLUX Airlines
Deal found 6/16$799
This lastminute.com deal was found by Cheapflights users on 6/17. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/61:45 pmSIN - SEA
1 stop21h 00mChina Airlines
Sat 7/191:40 amSEA - SIN
1 stop19h 55mChina Airlines
Deal found 6/17$812
This United Airlines deal was found by Cheapflights users on 6/18. 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.
Fri 6/208:45 amSIN - SEA
1 stop40h 59mUnited Airlines
Mon 6/235:35 pmSEA - SIN
1 stop21h 40mUnited Airlines
Deal found 6/18$836
This oojo deal was found by Cheapflights users on 6/17. 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 9/71:10 amSIN - SEA
1 stop24h 30mKorean Air
Fri 9/1212:50 pmSEA - SIN
1 stop40h 05mKorean Air
Deal found 6/17$841
This Vakatrip deal was found by Cheapflights users on 6/16. 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 Vakatrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/213:45 pmSIN - SEA
1 stop18h 25mEVA Air
Sat 11/2912:10 amSEA - SIN
1 stop22h 20mEVA Air
Deal found 6/16$851
This Delta deal was found by Cheapflights users on 6/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2111:00 amSIN - SEA
1 stop18h 20mDelta
Sun 11/3011:15 amSEA - SIN
1 stop20h 55mDelta
Deal found 6/16$868
This Singapore Airlines deal was found by Cheapflights users on 6/17. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/219:00 amSIN - SEA
Nonstop14h 10mSingapore Airlines
Sun 11/308:45 amSEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 6/17$869
This Cheapflightsfares deal was found by Cheapflights users on 6/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/156:15 amSIN - SEA
2 stops29h 41mANA
Fri 8/154:30 pmSEA - SIN
1 stop23h 10mANA
Deal found 6/18$876
This United deal was found by Cheapflights users on 6/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/158:45 amSIN - SEA
1 stop25h 13mMultiple Airlines
Fri 8/154:30 pmSEA - SIN
1 stop23h 10mMultiple Airlines
Deal found 6/16$883

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 18, 2025.
Use the filters below to find and compare flights from Singapore to Seattle that are best for you.

Fly from

Singapore

Fly to

Seattle

Route

Depart

Return

Price

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 9/11

10:50 pm-12:30 pm

1 stop28h 40m

Seattle/Tacoma Intl

Tue 9/23

2:15 pm-9:30 pm

1 stop40h 15m

$768

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 7/9

8:05 am-9:41 pm

2 stops28h 36m

Seattle/Tacoma Intl

Sun 7/13

8:41 am-12:20 am

2 stops24h 39m

$774

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 9/11

9:10 am-6:36 pm

1 stop24h 26m

Seattle/Tacoma Intl

Tue 9/23

10:00 am-5:00 am

2 stops28h 00m

$797

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 9/8

2:00 pm-4:10 pm

1 stop17h 10m

Seattle/Tacoma Intl

Wed 9/24

1:15 am-12:40 pm

1 stop20h 25m

$799

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 7/6

1:45 pm-7:45 pm

1 stop21h 00m

Seattle/Tacoma Intl

Sat 7/19

1:40 am-12:35 pm

1 stop19h 55m

$812

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 7/2

8:45 am-8:56 pm

1 stop27h 11m

Seattle/Tacoma Intl

Wed 7/9

2:50 pm-6:25 pm

1 stop36h 35m

$836

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 9/7

1:10 am-10:40 am

1 stop24h 30m

Seattle/Tacoma Intl

Fri 9/12

12:50 pm-7:55 pm

1 stop40h 05m

$841

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 11/21

3:45 pm-6:10 pm

1 stop18h 25m

Seattle/Tacoma Intl

Sat 11/29

12:10 am-2:30 pm

1 stop22h 20m

$851

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 11/21

11:00 am-1:20 pm

1 stop18h 20m

Seattle/Tacoma Intl

Sun 11/30

11:15 am-12:10 am

1 stop20h 55m

$868

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 11/21

9:00 am-7:10 am

Nonstop14h 10m

Seattle/Tacoma Intl

Sun 11/30

8:45 am-5:45 pm

Nonstop17h 00m

$869

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Showing 1-10 of 29 results
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Best time to book a flight from Singapore to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Singapore 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 Singapore to Seattle

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

Currently, January is the cheapest month in which you can book a flight from Singapore to Seattle (average of $238). Flying from Singapore to Seattle in June is currently the most expensive (average of $390). 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 SG to SEA?

Find hourly flight availability from Singapore to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 18, 2025.

When flying from Singapore to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated June 18, 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, EVA Air and Korean Air from Singapore to Seattle to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
180 reviews

Crew

9.3

Entertainment

9.0

Overall

9.1

Boarding

9.0

Comfort

9.0

Food

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful
180 reviews
STARLUX Airlines
9.1
Wonderful
180 reviews

Crew

9.3

Entertainment

9.0

Overall

9.1

Boarding

9.0

Comfort

9.0

Food

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
EVA Air
8.4
Very good
1,205 reviews
STARLUX Airlines
9.1
Wonderful
180 reviews

Crew

9.3

Entertainment

9.0

Overall

9.1

Boarding

9.0

Comfort

9.0

Food

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Korean Air
8.4
Very good
1,090 reviews
STARLUX Airlines
9.1
Wonderful
180 reviews

Crew

9.3

Entertainment

9.0

Overall

9.1

Boarding

9.0

Comfort

9.0

Food

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Japan Airlines
8.3
Very good
1,494 reviews
STARLUX Airlines
9.1
Wonderful
180 reviews

Crew

9.3

Entertainment

9.0

Overall

9.1

Boarding

9.0

Comfort

9.0

Food

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very good
742 reviews
STARLUX Airlines
9.1
Wonderful
180 reviews

Crew

9.3

Entertainment

9.0

Overall

9.1

Boarding

9.0

Comfort

9.0

Food

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Related info for your journey

Find useful and relevant information for your journey from Singapore to Seattle. 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 into for flights to Seattle from Singapore?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from Singapore to Seattle.

  • How popular is this Singapore to Seattle flight route?

    The Singapore to Seattle/Tacoma Intl flight path was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    One-way options have recently been found by users for as low as $508 on China Airlines. Other airlines that offer cheap prices include STARLUX Airlines from $521 and United Airlines from $529 one-way.

  • What are the cheapest flights from Singapore to Seattle?

    While on average a flight from Singapore to Seattle is generally $2,124, our data shows the cheapest flight currently is $456. When looking at the most popular route, (Singapore Changi - Seattle/Tacoma Intl), you can expect to pay $678 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Singapore to Seattle 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 Singapore to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Singapore to Seattle (average of $238). Flying from Singapore to Seattle in June is currently the most expensive (average of $390). 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

Traveling to a place near Singapore?

Book flights to Singapore if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Lacey
Ocean Shores
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Cle Elum
Centralia
Kent
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Singapore to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Singapore to Seattle

Discover the top 6 airlines that operate flights from Singapore to Seattle. 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 June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$762Average$855FlexibilityNo cancel feeOn-time69%
Singapore AirlinesCheapest$763Average$1,340FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$779Average$872FlexibilityNo cancel feeOn-time74%
STARLUX AirlinesCheapest$785Average$836FlexibilityNo cancel feeOn-timeN/A
ANACheapest$859Average$980FlexibilityNo cancel feeOn-time80%
American AirlinesCheapest$1,067Average$1,245FlexibilityNo cancel feeOn-time71%

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