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Cheap flights from Singapore to Seattle from S$ 658

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 27-5. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
4 May — 11 May1
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 29 April 2025.

Round-trip from

S$ 710

One-way from

S$ 658

Popular in

August

Cheapest in

February

Average price

S$ 1,215

Good round-trip deal

S$ 1,465 or less

Good one-way deal

S$ 1,259 or less
Asiana Airlines
  • Asiana Airlines
  • 22-5-1-6
  • 2 total stops
  • 68h 55m total
  • Singapore to Seattle
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27-5
  • 27-5
  • 3 total stops
  • 54h 25m total
  • Singapore to Seattle
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (S$ 136 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 29 April 2025.

Thu 22-522:50SIN - SEA
1 stop28h 40mAsiana Airlines
Sun 1-614:15SEA - SIN
1 stop40h 15mAsiana Airlines
Deal found 27-4S$ 710
Wed 21-502:15SIN - SEA
1 stop23h 25mMultiple Airlines
Sun 1-613:20SEA - SIN
1 stop20h 25mMultiple Airlines
Deal found 27-4S$ 963
Sat 17-502:00SIN - SEA
1 stop32h 30mChina Airlines
Thu 22-501:10SEA - SIN
1 stop20h 25mChina Airlines
Deal found 28-4S$ 971
Wed 21-514:00SIN - SEA
1 stop17h 10mSTARLUX Airlines
Sat 24-501:15SEA - SIN
1 stop20h 25mSTARLUX Airlines
Deal found 27-4S$ 1,021
Wed 21-501:10SIN - SEA
1 stop24h 30mKorean Air
Mon 2-613:20SEA - SIN
1 stop19h 20mKorean Air
Deal found 29-4S$ 1,062
Thu 5-608:45SIN - SEA
1 stop31h 14mUnited Airlines
Wed 6-807:00SEA - SIN
1 stop20h 25mUnited Airlines
Deal found 28-4S$ 1,075
Tue 10-609:10SIN - SEA
1 stop24h 23mAir Canada
Tue 24-605:30SEA - SIN
1 stop34h 35mAir Canada
Deal found 28-4S$ 1,098
Sat 12-715:10SIN - SEA
1 stop19h 40mEVA Air
Fri 8-802:10SEA - SIN
1 stop18h 50mEVA Air
Deal found 28-4S$ 1,101
Thu 15-511:05SIN - SEA
1 stop18h 20mANA
Thu 24-707:00SEA - SIN
2 stops26h 45mANA
Deal found 28-4S$ 1,235
Wed 7-501:10SIN - SEA
1 stop24h 30mDelta
Tue 13-506:15SEA - SIN
2 stops26h 25mDelta
Deal found 28-4S$ 1,252
Wed 25-608:05SIN - SEA
2 stops21h 53mJapan Airlines
Wed 2-708:10SEA - SIN
2 stops25h 10mJapan Airlines
Deal found 28-4S$ 1,352

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 29 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

Thu 22-5

22:50-12:30

1 stop28h 40m

Seattle/Tacoma Intl

Sun 1-6

14:15-21:30

1 stop40h 15m

S$ 710

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 21-5

02:15-10:40

1 stop23h 25m

Seattle/Tacoma Intl

Sun 1-6

13:20-00:45

1 stop20h 25m

S$ 963

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 17-5

02:00-19:30

1 stop32h 30m

Seattle/Tacoma Intl

Thu 22-5

01:10-12:35

1 stop20h 25m

S$ 971

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 21-5

14:00-16:10

1 stop17h 10m

Seattle/Tacoma Intl

Sat 24-5

01:15-12:40

1 stop20h 25m

S$ 1,021

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 21-5

01:10-10:40

1 stop24h 30m

Seattle/Tacoma Intl

Mon 2-6

13:20-23:40

1 stop19h 20m

S$ 1,062

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 5-6

08:45-00:59

1 stop31h 14m

Seattle/Tacoma Intl

Wed 6-8

07:00-18:25

1 stop20h 25m

S$ 1,075

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 10-6

09:10-18:33

1 stop24h 23m

Seattle/Tacoma Intl

Tue 24-6

05:30-07:05

1 stop34h 35m

S$ 1,098

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 12-7

15:10-19:50

1 stop19h 40m

Seattle/Tacoma Intl

Fri 8-8

02:10-12:00

1 stop18h 50m

S$ 1,101

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 15-5

11:05-14:25

1 stop18h 20m

Seattle/Tacoma Intl

Thu 24-7

07:00-00:45

2 stops26h 45m

S$ 1,235

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 14-5

01:10-23:18

2 stops37h 08m

Seattle/Tacoma Intl

Thu 24-7

17:50-23:40

2 stops38h 50m

S$ 1,260

Flights are sorted by cheapest return flights first.

Deals found on 28-4

Showing 1-10 of 25 results
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2
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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 29 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 29 April 2025.
To help decide which airline to fly from Singapore to Seattle, see what other customers have to say about STARLUX Airlines, EVA Air and Korean Air. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.0

Entertainment

9.0

Crew

9.3

Food

8.9

Overall

9.1

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
STARLUX Airlines
9.1
Wonderful
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.0

Entertainment

9.0

Crew

9.3

Food

8.9

Overall

9.1

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
EVA Air
8.4
Very Good
1,186 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.0

Entertainment

9.0

Crew

9.3

Food

8.9

Overall

9.1

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Korean Air
8.4
Very Good
1,066 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.0

Entertainment

9.0

Crew

9.3

Food

8.9

Overall

9.1

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Japan Airlines
8.3
Very Good
1,459 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.0

Entertainment

9.0

Crew

9.3

Food

8.9

Overall

9.1

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
China Airlines
8.3
Very Good
729 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.0

Entertainment

9.0

Crew

9.3

Food

8.9

Overall

9.1

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

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 193 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 STARLUX Airlines, which is currently one of the cheapest options available, starting at S$ 663. China Airlines flights start at S$ 673 while deals on United Airlines start at S$ 700 one-way.

  • What are the cheapest flights from Singapore to Seattle?

    Looking at all options, your cheapest flight can be booked for S$ 1,105. While the most popular route (Singapore Changi - Seattle/Tacoma Intl) can be booked for S$ 701 on average our data indicates S$ 4,289 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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestS$ 929AverageS$ 1,119FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
ANACheapestS$ 943AverageS$ 1,294FlexibilityNo cancel feeOn-time80%
Search ANA flights
STARLUX AirlinesCheapestS$ 978AverageS$ 1,164FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
China AirlinesCheapestS$ 1,004AverageS$ 1,089FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
EVA AirCheapestS$ 1,038AverageS$ 1,337FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Korean AirCheapestS$ 1,113AverageS$ 1,307FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Singapore AirlinesCheapestS$ 1,167AverageS$ 1,619FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Japan AirlinesCheapestS$ 1,401AverageS$ 1,563FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights

Fly with Cheapflights

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

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