How popular is this Singapore to Seattle flight route?

The Singapore Changi 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 flying from Singapore to Seattle round-trip?

According to our current data, Air Canada ($652), Asiana Airlines ($665), and STARLUX Airlines ($773) offers the cheapest pricing from Singapore to Seattle. Air Canada is priced at 30% lower than the current average price of a flight leaving 3 months from now.

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 $394 on Air Canada. Other airlines that offer cheap prices include Singapore Airlines from $416 and China Airlines from $510 one-way.

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

Travelers seeking maximum savings on their Singapore to Seattle flight should consider departing on Friday at noon 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.

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.

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).

What are the cheapest flights from Singapore to Seattle?

On average you can expect to pay $3,416 for a flight from Singapore to Seattle. The cheapest flight overall is $415 while the most popular route, (Singapore Changi - Seattle/Tacoma Intl) is currently priced at $709.

What are the most popular airlines that fly from Singapore to Seattle?

Consider EVA Air, STARLUX Airlines or ANA when booking your flight. These represent the most popular airlines when flying from Singapore to Seattle.

What is the cheapest day to fly round-trip from Singapore to Seattle?

Travelers have found that booking a Sunday departure is the best way to save up to 59% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from Singapore to Seattle?

Find a great deal and save up to 45% by booking at least 42 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Singapore to Seattle within the next two weeks, with the cheapest ticket starting at $810.

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

Our data shows that February tends to be the cheapest month to fly to Seattle from Singapore. Users have commonly found prices around $940 for the month, but tickets can be as low as $799. Due to multiple factors, prepare for potentially higher prices in August.

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.

$394+ Flights from Singapore to Seattle

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Find cheap flights from Singapore to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Singapore Changi to Seattle/Tacoma Intl are usually found in February or March, booked 41 days in advance, depart on a Monday or Tuesday and return on a Sunday

Cheap flight deals from Singapore to Seattle

Round-trip from	$652 (Trip.com)
One-way from	$394 (Air Canada)
Popular in	August
Cheapest in	February
Average price	$1,048
Good one-way deal	$462 or less

From Singapore Changi to Seattle/Tacoma Intl

Search Deals

One-way flight from Singapore Changi to Seattle/Tacoma Intl

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($106 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Price to beat on a one-way flight from Singapore Changi 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 July 29, 2025.

Tue 9/309:10 amSIN - SEA

1 stop39h 11mAir Canada

Sun 10/2610:05 amSEA - SIN

1 stop30h 50mAir Canada

Deal found 7/28

$652

Sun 12/2811:10 pmSIN - SEA

1 stop30h 45mAsiana Airlines

Wed 1/1412:10 amSEA - SIN

1 stop29h 45mAsiana Airlines

Deal found 7/29

$665

Sat 10/119:10 amSIN - SEA

2 stops24h 35mMultiple Airlines

Sun 10/268:00 pmSEA - SIN

1 stop20h 55mMultiple Airlines

Deal found 7/27

$730

Sat 10/112:00 pmSIN - SEA

1 stop17h 10mSTARLUX Airlines

Sat 10/2512:45 amSEA - SIN

1 stop21h 40mSTARLUX Airlines

Deal found 7/27

$773

Best flights from Singapore to Seattle
Discover carefully curated flight deals from Singapore to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Tue 9/309:10 amSIN - SEA

1 stop39h 11mAir Canada

Sun 10/2610:05 amSEA - SIN

1 stop30h 50mAir Canada

Deal found 7/28

$652

Sun 12/2811:10 pmSIN - SEA

1 stop30h 45mAsiana Airlines

Wed 1/1412:10 amSEA - SIN

1 stop29h 45mAsiana Airlines

Deal found 7/29

$665

Sat 10/119:10 amSIN - SEA

2 stops24h 35mMultiple Airlines

Sun 10/268:00 pmSEA - SIN

1 stop20h 55mMultiple Airlines

Deal found 7/27

$730

Sat 10/112:00 pmSIN - SEA

1 stop17h 10mSTARLUX Airlines

Sat 10/2512:45 amSEA - SIN

1 stop21h 40mSTARLUX Airlines

Deal found 7/27

$773

Last-minute flights from Singapore to Seattle
Discover last-minute flight deals from Singapore to Seattle. Data last updated July 29, 2025 and is based on user searches.

Sun 8/32:00 amSIN - SEA

2 stops48h 37mChina Airlines

Sun 8/101:40 amSEA - SIN

1 stop31h 55mChina Airlines

Deal found 7/28

$1,262

Sun 8/31:10 amSIN - SEA

1 stop24h 40mKorean Air

Mon 8/111:20 pmSEA - SIN

1 stop19h 20mKorean Air

Deal found 7/28

$1,463

Sun 8/32:00 amSIN - SEA

3 stops57h 48mEthiopian Air

Mon 8/1110:05 pmSEA - SIN

2 stops49h 45mEthiopian Air

Deal found 7/28

$5,891

Mon 8/43:10 pmSIN - SEA

2 stops22h 06mMultiple Airlines

Sun 8/102:10 amSEA - SIN

1 stop20h 40mMultiple Airlines

Deal found 7/28

$1,001

Mon 8/41:10 pmSIN - SEA

1 stop21h 40mEVA Air

Sun 8/102:10 amSEA - SIN

1 stop20h 40mEVA Air

Deal found 7/28

$1,062

Tue 8/51:45 amSIN - SEA

2 stops31h 51mAir Canada

Tue 9/162:55 pmSEA - SIN

1 stop25h 10mAir Canada

Deal found 7/29

$1,239

Wed 8/610:50 pmSIN - SEA

1 stop28h 55mAsiana Airlines

Tue 9/162:15 pmSEA - SIN

1 stop40h 15mAsiana Airlines

Deal found 7/29

$955

Wed 8/68:40 pmSIN - SEA

2 stops36h 09mUnited Airlines

Tue 9/167:00 amSEA - SIN

1 stop20h 25mUnited Airlines

Deal found 7/29

$1,055

Fri 8/812:50 amSIN - SEA

1 stop27h 35mEmirates

Sat 9/275:15 pmSEA - SIN

1 stop30h 45mEmirates

Deal found 7/29

$5,975

Fri 8/81:10 amSIN - SEA

1 stop27h 51mDelta

Wed 9/2412:50 pmSEA - SIN

1 stop25h 10mDelta

Deal found 7/29

$6,261

Mon 8/1110:10 pmSIN - SEA

2 stops30h 15mANA

Thu 8/147:00 amSEA - SIN

2 stops26h 45mANA

Deal found 7/28

$966

Tue 8/129:10 amSIN - SEA

1 stop39h 11mAir Canada

Tue 9/1610:00 amSEA - SIN

1 stop30h 05mAir Canada

Deal found 7/29

$803

One-way flights from Singapore to Seattle
Search for one-way flight options from Singapore to Seattle. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Tue 11/1110:00 amSIN - SEA

1 stop20h 26mAir Canada

Deal found 7/27

$394

Tue 11/119:00 amSIN - SEA

Nonstop14h 10mSingapore Airlines

Deal found 7/27

$416

Sat 9/202:50 pmSIN - SEA

2 stops40h 20mMultiple Airlines

Deal found 7/28

$482

Mon 1/192:25 pmSIN - SEA

1 stop19h 45mChina Airlines

Deal found 7/29

$510

Tue 9/162:00 pmSIN - SEA

1 stop17h 10mSTARLUX Airlines

Deal found 7/28

$511

Tue 11/1110:45 amSIN - SEA

3 stops26h 48mUnited Airlines

Deal found 7/27

$530

Tue 9/21:10 pmSIN - SEA

1 stop21h 20mEVA Air

Deal found 7/27

$536

Wed 9/101:10 amSIN - SEA

1 stop24h 30mKorean Air

Deal found 7/28

$558

Sun 8/311:10 amSIN - SEA

1 stop27h 30mDelta

Deal found 7/28

$568

Fly from

Fly to

Route

Depart

Return

Price

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 9/30

9:10 am-9:21 am

1 stop39h 11m

Seattle/Tacoma Intl

Sun 10/26

10:05 am-7:55 am

1 stop30h 50m

$652

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 12/28

11:10 pm-1:55 pm

1 stop30h 45m

Seattle/Tacoma Intl

Wed 1/14

12:10 am-9:55 pm

1 stop29h 45m

$665

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 10/11

9:10 am-6:45 pm

2 stops24h 35m

Seattle/Tacoma Intl

Sun 10/26

8:00 pm-7:55 am

1 stop20h 55m

$730

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 10/11

2:00 pm-4:10 pm

1 stop17h 10m

Seattle/Tacoma Intl

Sat 10/25

12:45 am-1:25 pm

1 stop21h 40m

$773

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 11/11

10:00 am-2:26 pm

1 stop20h 26m

$394

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 11/11

9:00 am-7:10 am

Nonstop14h 10m

$416

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 9/20

2:50 pm-4:10 pm

2 stops40h 20m

$482

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 1/19

2:25 pm-6:10 pm

1 stop19h 45m

$510

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 9/16

2:00 pm-4:10 pm

1 stop17h 10m

$511

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 11/11

10:45 am-9:33 pm

3 stops26h 48m

$530

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 13 results

The best insider tips for Singapore to Seattle flights

Cheapflights partnered with top experts to bring you the best recommendations for your Singapore to Seattle trip

Airports

SIN

For early check-in, use Jewel's desks up to 24 hours before your flight, avoiding queues at SIN.

SEA

Use the Link light rail from SEA to downtown Seattle for a cost-effective and convenient 40-minute journey.

Our travel experts

Yulia Denisyuk

Expert on SIN

Brandon Schultz

Expert on SEA

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

How far ahead should I book a flight from Singapore to Seattle?

The price you pay for your flight from Singapore to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 41 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 $389). 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 SIN to SEA?

One of the essential ways to save on airfare from Singapore to Seattle is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 35% on airfare.

Reviews of airlines servicing Seattle

See what other customers who have flown with STARLUX Airlines, EVA Air, and Korean Air from Singapore to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

STARLUX Airlines

9.0

Wonderful

198 reviews

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

9.0

Wonderful

198 reviews

STARLUX Airlines

9.0

Wonderful

198 reviews

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

1,221 reviews

STARLUX Airlines

9.0

Wonderful

198 reviews

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

1,121 reviews

STARLUX Airlines

9.0

Wonderful

198 reviews

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

754 reviews

STARLUX Airlines

9.0

Wonderful

198 reviews

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.

Asiana Airlines

8.2

Very good

465 reviews

STARLUX Airlines

9.0

Wonderful

198 reviews

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

How popular is this Singapore to Seattle flight route?
The Singapore Changi 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 flying from Singapore to Seattle round-trip?
According to our current data, Air Canada ($652), Asiana Airlines ($665), and STARLUX Airlines ($773) offers the cheapest pricing from Singapore to Seattle. Air Canada is priced at 30% lower than the current average price of a flight leaving 3 months from now.
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 $394 on Air Canada. Other airlines that offer cheap prices include Singapore Airlines from $416 and China Airlines from $510 one-way.
What are the cheapest flights from Singapore to Seattle?
On average you can expect to pay $3,416 for a flight from Singapore to Seattle. The cheapest flight overall is $415 while the most popular route, (Singapore Changi - Seattle/Tacoma Intl) is currently priced at $709.
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 $389). 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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Tukwila

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Ocean Shores

Lakewood

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Lacey

Leavenworth

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Olympia

Puyallup

Kent

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Shoreline

Federal Way

Shelton

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Alternative routes for Singapore to Seattle

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Downtown car rentals

Capitol Hill car rentals

West Seattle car rentals

Other flights to Seattle

Top 5 airlines flying from Singapore to Seattle

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$762	Average$855	FlexibilityNo cancel fee	On-time69%
Singapore Airlines	Cheapest$763	Average$1,299	FlexibilityNo cancel fee	On-time81%
EVA Air	Cheapest$779	Average$872	FlexibilityNo cancel fee	On-time74%
STARLUX Airlines	Cheapest$785	Average$831	FlexibilityNo cancel fee	On-timeN/A
ANA	Cheapest$859	Average$903	FlexibilityNo cancel fee	On-time80%

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$394+ Cheap flights from Singapore (SIN) 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Singapore to Seattle with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Singapore Changi to Seattle/Tacoma Intl are usually found in February or March, booked 41 days in advance, depart on a Monday or Tuesday and return on a Sunday

Cheap flight deals from Singapore to Seattle

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good one-way deal

Find flight deals from Singapore to Seattle

Cheapest flights from Singapore to SeattleExplore 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 July 29, 2025.

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 July 29, 2025.

Cheapflights Fare Finder

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

The best insider tips for Singapore to Seattle flights

Cheapflights partnered with top experts to bring you the best recommendations for your Singapore to Seattle trip

Airports

SIN

SEA

Our travel experts

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.

Cheapflights Insights

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

How far ahead should I book a flight from Singapore to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Singapore to Seattle. Price data was last updated on July 25, 2025.

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

What is the cheapest time of day to fly from SIN 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 July 29, 2025.

Reviews of airlines servicing Seattle

See what other customers who have flown with STARLUX Airlines, EVA Air, and Korean Air from Singapore to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

How popular is this Singapore to Seattle flight route?

What are the cheapest airlines flying from Singapore to Seattle round-trip?

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

What are the cheapest flights from Singapore to Seattle?

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

How can I find direct flights from Singapore to Seattle?

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

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

Traveling to a place near Seattle?

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.

Top 5 airlines flying from Singapore to Seattle

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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 July 29, 2025.