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Cheap flights from Singapore to Seattle from S$ 597

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 12-6. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
20 Apr — 27 Apr1
1 adult

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 15 April 2025.

Round-trip from

S$ 910

One-way from

S$ 597

Popular in

August

Cheapest in

February

Average price

S$ 1,233

Good round-trip deal

S$ 1,505 or less

Good one-way deal

S$ 1,189 or less
Asiana Airlines
  • Asiana Airlines
  • 14-5-22-7
  • 2 total stops
  • 68h 40m total
  • Singapore to Seattle
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United Airlines
  • United Airlines
  • 12-6
  • 1 total stop
  • 19h 37m total
  • Singapore to Seattle
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (S$ 134 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (S$ 29 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Singapore to Seattle/Tacoma Intl.
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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 15 April 2025.

Wed 14-522:50SIN - SEA
1 stop28h 40mAsiana Airlines
Tue 22-714:30SEA - SIN
1 stop40h 00mAsiana Airlines
Deal found 13-4S$ 910
Tue 10-608:45SIN - SEA
1 stop24h 40mUnited Airlines
Mon 11-805:00SEA - SIN
1 stop22h 25mUnited Airlines
Deal found 14-4S$ 954
Sun 11-513:45SIN - SEA
1 stop20h 45mChina Airlines
Tue 20-501:10SEA - SIN
1 stop20h 25mChina Airlines
Deal found 14-4S$ 968
Thu 22-514:00SIN - SEA
1 stop17h 10mSTARLUX Airlines
Wed 13-801:15SEA - SIN
1 stop20h 25mSTARLUX Airlines
Deal found 14-4S$ 1,037
Thu 15-513:10SIN - SEA
1 stop21h 20mEVA Air
Wed 23-702:10SEA - SIN
1 stop20h 40mEVA Air
Deal found 14-4S$ 1,039
Thu 29-509:10SIN - SEA
1 stop39h 08mAir Canada
Thu 5-605:35SEA - SIN
1 stop34h 30mAir Canada
Deal found 13-4S$ 1,049
Sun 1-609:10SIN - SEA
1 stop24h 23mMultiple Airlines
Thu 31-705:35SEA - SIN
2 stops28h 15mMultiple Airlines
Deal found 14-4S$ 1,068
Tue 13-501:10SIN - SEA
1 stop27h 25mDelta
Thu 31-712:55SEA - SIN
1 stop19h 45mDelta
Deal found 13-4S$ 1,155
Mon 9-601:55SIN - SEA
2 stops29h 55mJapan Airlines
Tue 24-608:10SEA - SIN
2 stops25h 10mJapan Airlines
Deal found 14-4S$ 1,355
Tue 1-701:10SIN - SEA
1 stop24h 40mKorean Air
Mon 11-813:20SEA - SIN
1 stop19h 20mKorean Air
Deal found 14-4S$ 1,533
Wed 14-520:45SIN - SEA
1 stop27h 11mSingapore Airlines
Tue 22-710:15SEA - SIN
Nonstop16h 20mSingapore Airlines
Deal found 13-4S$ 1,609
Wed 13-808:05SIN - SEA
1 stop17h 30mAmerican Airlines
Tue 19-801:29SEA - SIN
2 stops37h 41mAmerican Airlines
Deal found 13-4S$ 1,684

Cheapflights Fare Finder

Customise 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 200,618 searches. Data last updated 15 April 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

Wed 14-5

22:50-12:30

1 stop28h 40m

Seattle/Tacoma Intl

Tue 22-7

14:30-21:30

1 stop40h 00m

S$ 910

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 10-6

08:45-18:25

1 stop24h 40m

Seattle/Tacoma Intl

Mon 11-8

05:00-18:25

1 stop22h 25m

S$ 954

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 11-5

02:00-19:30

1 stop32h 30m

Seattle/Tacoma Intl

Thu 15-5

01:10-12:35

1 stop20h 25m

S$ 960

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 22-5

14:00-16:10

1 stop17h 10m

Seattle/Tacoma Intl

Wed 13-8

01:15-12:40

1 stop20h 25m

S$ 1,037

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 15-5

13:10-19:30

1 stop21h 20m

Seattle/Tacoma Intl

Wed 23-7

02:10-13:50

1 stop20h 40m

S$ 1,039

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 29-5

09:10-09:18

1 stop39h 08m

Seattle/Tacoma Intl

Thu 5-6

05:35-07:05

1 stop34h 30m

S$ 1,049

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 1-6

09:10-18:33

1 stop24h 23m

Seattle/Tacoma Intl

Thu 31-7

05:35-00:50

2 stops28h 15m

S$ 1,068

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 13-5

01:10-13:35

1 stop27h 25m

Seattle/Tacoma Intl

Tue 22-7

12:55-05:00

1 stop25h 05m

S$ 1,155

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 9-6

01:55-16:50

2 stops29h 55m

Seattle/Tacoma Intl

Tue 24-6

08:10-00:20

2 stops25h 10m

S$ 1,355

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 1-7

01:10-10:50

1 stop24h 40m

Seattle/Tacoma Intl

Mon 11-8

13:20-23:40

1 stop19h 20m

S$ 1,533

Flights are sorted by cheapest return flights first.

Deals found on 13-4

Showing 1-10 of 26 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 return 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 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 15 April 2025.

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

What is the cheapest day to fly from Singapore to Seattle?

Use this chart to determine the cheapest time to fly return from Singapore to Seattle. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Singapore to Seattle flight should consider departing on Friday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 15 April 2025.
STARLUX Airlines
9.1
Wonderful
Check prices

Comfort

9.0

Entertainment

9.0

Crew

9.3

Overall

9.1

Boarding

9.0

Food

8.9

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
STARLUX Airlines
9.1
Wonderful
STARLUX Airlines
9.1
Wonderful
Check prices

Comfort

9.0

Entertainment

9.0

Crew

9.3

Overall

9.1

Boarding

9.0

Food

8.9

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
EVA Air
8.4
Very Good
1,176 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Comfort

9.0

Entertainment

9.0

Crew

9.3

Overall

9.1

Boarding

9.0

Food

8.9

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Korean Air
8.4
Very Good
1,063 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Comfort

9.0

Entertainment

9.0

Crew

9.3

Overall

9.1

Boarding

9.0

Food

8.9

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Japan Airlines
8.3
Very Good
1,440 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Comfort

9.0

Entertainment

9.0

Crew

9.3

Overall

9.1

Boarding

9.0

Food

8.9

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
ANA
8.3
Very Good
841 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Comfort

9.0

Entertainment

9.0

Crew

9.3

Overall

9.1

Boarding

9.0

Food

8.9

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

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 18.4 km from the city centre, is the airport you fly into when you book flights from Singapore to Seattle.

  • How popular is this Singapore to Seattle flight route?

    Flights from Singapore to Seattle/Tacoma Intl have been viewed 192 times in the past calendar month.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at S$ 597. China Airlines flights start at S$ 637 while deals on STARLUX Airlines start at S$ 668 one-way.

  • What are the cheapest flights from Singapore to Seattle?

    Looking at all options, your cheapest flight can be booked for S$ 1,108. While the most popular route (Singapore Changi - Seattle/Tacoma Intl) can be booked for S$ 910 on average our data indicates S$ 4,355 when flying from Singapore to Seattle.

  • 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 holiday 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.

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.

Alternative routes for Singapore to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Singapore to Seattle flights
Singapore to Portland flights

Top 8 airlines flying from Singapore to Seattle

Discover the top 8 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 200,618 searches. Data last updated 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestS$ 931AverageS$ 1,122FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
ANACheapestS$ 945AverageS$ 1,297FlexibilityNo cancel feeOn-time80%
Search ANA flights
STARLUX AirlinesCheapestS$ 980AverageS$ 1,163FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
China AirlinesCheapestS$ 1,006AverageS$ 1,092FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
EVA AirCheapestS$ 1,051AverageS$ 1,363FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Korean AirCheapestS$ 1,116AverageS$ 1,315FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Singapore AirlinesCheapestS$ 1,170AverageS$ 1,618FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Japan AirlinesCheapestS$ 1,249AverageS$ 1,506FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights

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How does Cheapflights help users find flights from Singapore to Seattle?

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