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Cheap flights from Singapore to Seattle from $438

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Singapore to Seattle departing on 9/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Singapore to Seattle

Cheap round-trip flights

These are some of the best round-trip flight deals from Singapore to Seattle that have been recently found on momondo from popular airlines, departing in the coming months.
2:00 am - 7:30 pmSIN-SEA
32h 30m1 stop
1:10 am - 12:35 pmSEA-SIN
20h 25m1 stop
$652China Airlines
Find Deal
Mon, Apr 7 - Mon, Apr 14
2:00 am - 7:30 pmSIN-SEA
32h 30m1 stop
1:10 am - 12:35 pmSEA-SIN
20h 25m1 stop
$653China Airlines
Find Deal
Mon, Apr 7 - Sun, Apr 13
1:45 pm - 7:30 pmSIN-SEA
20h 45m1 stop
1:10 am - 12:35 amSEA-SIN
32h 25m1 stop
$668China Airlines
Find Deal
Mon, Apr 7 - Sun, Apr 13
11:05 am - 9:58 pmSIN-SEA
25h 53m2 stops
7:33 pm - 6:15 amSEA-SIN
19h 42m1 stop
$833United Airlines
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Tue, Jun 10 - Mon, Aug 11
10:10 am - 8:27 amSIN-SEA
37h 17m1 stop
2:50 pm - 6:25 pmSEA-SIN
36h 35m1 stop
$860United Airlines
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Wed, Mar 26 - Sat, Mar 29
6:15 am - 4:47 pmSIN-SEA
25h 32m2 stops
1:45 pm - 6:40 amSEA-SIN
25h 55m2 stops
$1,024ANA
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Thu, May 22 - Thu, Aug 14
11:05 am - 6:36 pmSIN-SEA
22h 31m2 stops
4:30 pm - 6:40 amSEA-SIN
23h 10m1 stop
$1,073ANA
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Wed, Jul 2 - Mon, Aug 11
1:55 am - 9:34 pmSIN-SEA
34h 39m2 stops
8:00 am - 12:20 amSEA-SIN
25h 20m2 stops
$1,155Japan Airlines
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Mon, Jun 9 - Mon, Aug 11
2:20 am - 4:53 pmSIN-SEA
29h 33m2 stops
8:41 am - 12:20 amSEA-SIN
24h 39m2 stops
$1,176Japan Airlines
Find Deal
Mon, Mar 24 - Mon, Jun 9
9:00 am - 8:45 amSIN-SEA
14h 45mnonstop
8:45 am - 5:45 pmSEA-SIN
17h 00mnonstop
$1,192Singapore Airlines
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Tue, May 27 - Tue, Nov 18

Asiana Airlines flights from Singapore to Seattle

Our best Asiana Airlines deals on Singapore to Seattle flight tickets
Asiana Airlines
Mar 18
SIN11:10 pmSingapore Changi
27h 45m
1 stop
SEA11:55 amSeattle/Tacoma Intl
Mar 25
SEA1:45 pmSeattle/Tacoma Intl
19h 50m
1 stop
SIN12:35 amSingapore Changi
Asiana Airlines
Mar 17
SIN1:55 amSingapore Changi
25h 00m
1 stop
SEA11:55 amSeattle/Tacoma Intl
Mar 25
SEA1:45 pmSeattle/Tacoma Intl
19h 50m
1 stop
SIN12:35 amSingapore Changi
Asiana Airlines
Mar 19
SIN1:55 amSingapore Changi
25h 00m
1 stop
SEA11:55 amSeattle/Tacoma Intl
Jul 30
SEA2:30 pmSeattle/Tacoma Intl
40h 00m
1 stop
SIN9:30 pmSingapore Changi

Philippine Airlines flights from Singapore to Seattle

Our best Philippine Airlines deals on Singapore to Seattle flight tickets
Philippine Airlines
Apr 3
SIN8:00 pmSingapore Changi
38h 20m
1 stop
SEA7:20 pmSeattle/Tacoma Intl
Apr 13
SEA11:30 pmSeattle/Tacoma Intl
28h 25m
1 stop
SIN6:55 pmSingapore Changi
Philippine Airlines
Apr 5
SIN8:00 pmSingapore Changi
38h 20m
1 stop
SEA7:20 pmSeattle/Tacoma Intl
Apr 18
SEA11:30 pmSeattle/Tacoma Intl
18h 55m
1 stop
SIN9:25 amSingapore Changi

See travel insights to Seattle from

How to get the cheapest flight ticket from Singapore to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

In general, February is the cheapest month to fly from Singapore to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $855. If you don’t want to visit Seattle in February, then you should wait until March to fly from Singapore, when ticket prices are also cheap, with an average price of $855.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Singapore is on a Monday. momondo users have found tickets for Monday departures for as low as $1,040. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Singapore because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $3,132.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Singapore at noon is the least expensive time of day to depart. momondo users have found prices as low as $847 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $1,570. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Singapore Changi to Seattle/Tacoma Intl flight route?

Fly from Singapore Changi to Seattle/Tacoma Intl for the best Singapore Changi - Seattle/Tacoma Intl flight prices

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

You are more likely to see cheaper flights to Seattle from Singapore when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $970 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Singapore for as low as $871 on momondo.

What cabin class options are available on Singapore Changi to Seattle/Tacoma Intl flights?

There are 3 cabin classes available to choose from on Singapore Changi to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Singapore to Seattle flight prices changed over time?

As of March 2025, prices for Singapore to Seattle flights are approximately 52% cheaper when compared to flights at the same time last year.

When to book flights from Singapore to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Singapore to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Singapore to Seattle (SIN to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Singapore to Seattle

Best Price Found

$438

Fastest flight time

14h 10m

Direct flights

Mon, Wed, Fri, Sat and Sun

Airports in Seattle

1 airport
The best one-way flight to Seattle from Singapore in the past 72 hours is $438. The best round-trip flight deal from Singapore to Seattle found on momondo in the last 72 hours is $652.
The fastest flight from Singapore to Seattle takes 14h 10m
Direct flights go from Singapore to Seattle on Monday, Wednesday, Friday, Saturday and Sunday. The only airline offering direct flights is Singapore Airlines.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

  • How far is Singapore Changi to Seattle/Tacoma Intl by plane?

    A flight from Singapore Changi to Seattle/Tacoma Intl will travel around 8059.6 mi. A reasonable flight in good conditions will take 14h 45m.

  • When did momondo last update prices for flights from Singapore Changi Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Singapore Changi Airport to Seattle/Tacoma Intl Airport are updated daily.

  • How many operators does momondo search for flights from Singapore Changi Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Singapore Changi Airport to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Singapore Changi Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Singapore to Seattle?

  • What is the most popular airline from Singapore to Seattle?


Best airlines flying from Singapore to Seattle

Compare and see reviews for airlines that fly from Singapore to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Singapore AirlinesPriceFrom $763Free CancellationRating
8.1
1,279 reviews
Search Singapore Airlines flights
STARLUX AirlinesPriceFrom $801Free CancellationRating
9.1
141 reviews
Search STARLUX Airlines flights
EVA AirPriceFrom $832Free CancellationRating
8.4
1,180 reviews
Search EVA Air flights
United AirlinesPriceFrom $850Free CancellationRating
7.4
8,623 reviews
Search United Airlines flights
Japan AirlinesPriceFrom $864Free CancellationRating
8.3
1,438 reviews
Search Japan Airlines flights
ANAPriceFrom $884Free CancellationRating
8.3
829 reviews
Search ANA flights
American AirlinesPriceFrom $990Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • Singapore Airlines Flights From Singapore to Seattle

    Singapore Airlines operates around 4 flights from Singapore to Seattle every week. The average price of these flights found in the last 72 hours has been $1,410, but momondo users have found Singapore Airlines deals from Singapore to Seattle from as low as $763 round-trip. Singapore Airlines has been scored 8.1/10 in 1,279 reviews.


Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Olympia
Kent
Renton
Federal Way
Tukwila
Puyallup
Kirkland
Lynnwood
Fife
Lakewood
Shoreline
Centralia
Redmond
Marysville
Cle Elum
Lacey

Why use momondo?

Why should I use momondo to find a flight deal from Singapore to Seattle?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Singapore.

Can I find flights from Singapore to Seattle with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Singapore to Seattle flights to just show those with flexible booking policies.

How can momondo help me find flights from Singapore to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Singapore to Seattle.

I’m not ready to book a flight from Singapore to Seattle right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Singapore to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.


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