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Cheap flights from Singapore to Seattle from $447

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 5/26. 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.
Asiana Airlines Logo
10:50 pm - 12:30 pmSIN-SEA
28h 40m1 stop
Asiana Airlines Logo
2:30 pm - 9:30 pmSEA-SIN
40h 00m1 stop
$533Asiana Airlines
Find Deal
jue., may. 22 - jue., ago. 14
Asiana Airlines Logo
10:50 pm - 12:30 pmSIN-SEA
28h 40m1 stop
Asiana Airlines Logo
2:15 pm - 9:30 pmSEA-SIN
40h 15m1 stop
$544Asiana Airlines
Find Deal
jue., may. 22 - lun., jun. 2
United Airlines Logo
8:45 am - 4:47 pmSIN-SEA
23h 02m1 stop
United Airlines Logo
7:34 pm - 6:15 amSEA-SIN
19h 41m1 stop
$736United Airlines
Find Deal
mar., jun. 10 - lun., ago. 11
China Airlines Logo
1:45 pm - 7:20 pmSIN-SEA
20h 35m1 stop
China Airlines Logo
1:10 am - 12:35 pmSEA-SIN
20h 25m1 stop
$737China Airlines
Find Deal
dom., sep. 21 - sáb., sep. 27
China Airlines Logo
2:00 am - 7:20 pmSIN-SEA
32h 20m1 stop
China Airlines Logo
1:10 am - 12:35 pmSEA-SIN
20h 25m1 stop
$741China Airlines
Find Deal
sáb., sep. 20 - sáb., sep. 27
STARLUX Airlines Logo
2:00 pm - 4:10 pmSIN-SEA
17h 10m1 stop
STARLUX Airlines Logo
1:15 am - 12:40 pmSEA-SIN
20h 25m1 stop
$778STARLUX Airlines
Find Deal
vie., jun. 13 - jue., jun. 19
STARLUX Airlines Logo
2:00 pm - 4:10 pmSIN-SEA
17h 10m1 stop
STARLUX Airlines Logo
1:15 am - 12:40 pmSEA-SIN
20h 25m1 stop
$783STARLUX Airlines
Find Deal
dom., jun. 1 - lun., jun. 9
United Airlines Logo
8:45 am - 6:25 pmSIN-SEA
24h 40m1 stop
United Airlines Logo
7:34 pm - 6:15 amSEA-SIN
19h 41m1 stop
$822United Airlines
Find Deal
jue., jun. 5 - dom., ago. 10
EVA Air Logo
1:10 pm - 7:50 pmSIN-SEA
21h 40m1 stop
EVA Air Logo
2:10 am - 12:00 pmSEA-SIN
18h 50m1 stop
$839EVA Air
Find Deal
sáb., jul. 12 - vie., ago. 8
EVA Air Logo
3:10 pm - 7:50 pmSIN-SEA
19h 40m1 stop
EVA Air Logo
2:10 am - 12:00 pmSEA-SIN
18h 50m1 stop
$867EVA Air
Find Deal
sáb., jul. 12 - jue., ago. 14

Asiana Airlines flights from Singapore to Seattle

Our best Asiana Airlines deals on Singapore to Seattle flight tickets
Asiana Airlines
May 22
SIN10:50 pmSingapore Changi
28h 40m
1 stop
SEA12:30 pmSeattle/Tacoma Intl
Aug 14
SEA2:30 pmSeattle/Tacoma Intl
40h 00m
1 stop
SIN9:30 pmSingapore Changi
Asiana Airlines
May 22
SIN10:50 pmSingapore Changi
28h 40m
1 stop
SEA12:30 pmSeattle/Tacoma Intl
Jun 2
SEA2:15 pmSeattle/Tacoma Intl
40h 15m
1 stop
SIN9:30 pmSingapore Changi
Asiana Airlines
May 11
SIN10:50 pmSingapore Changi
28h 40m
1 stop
SEA12:30 pmSeattle/Tacoma Intl
May 26
SEA2:15 pmSeattle/Tacoma Intl
40h 15m
1 stop
SIN9:30 pmSingapore Changi

United Airlines flights from Singapore to Seattle

Our best United Airlines deals on Singapore to Seattle flight tickets
United Airlines
Jun 10
SIN8:45 amSingapore Changi
23h 02m
1 stop
SEA4:47 pmSeattle/Tacoma Intl
Aug 11
SEA7:34 pmSeattle/Tacoma Intl
19h 41m
1 stop
SIN6:15 amSingapore Changi
United Airlines
May 8
SIN9:00 amSingapore Changi
21h 58m
1 stop
SEA3:58 pmSeattle/Tacoma Intl
May 13
SEA7:00 amSeattle/Tacoma Intl
20h 25m
1 stop
SIN6:25 pmSingapore Changi
United Airlines
Jun 26
SIN11:05 amSingapore Changi
18h 20m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
Jul 15
SEA8:57 amSeattle/Tacoma Intl
30h 18m
3 stops
SIN6:15 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 8 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $957 when searching 8 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 $876 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 April 2025, prices for Singapore to Seattle flights are approximately 25% 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

$447

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 $447. The best round-trip flight deal from Singapore to Seattle found on momondo in the last 72 hours is $533.
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 17h 10m.

  • 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
1,292 reviews
Search Singapore Airlines flights
EVA AirPriceFrom $781Free CancellationRating
8.4
1,186 reviews
Search EVA Air flights
STARLUX AirlinesPriceFrom $795Free CancellationRating
9.1
161 reviews
Search STARLUX Airlines flights
United AirlinesPriceFrom $799Free CancellationRating
7.4
8,696 reviews
Search United Airlines flights
ANAPriceFrom $859Free CancellationRating
8.3
852 reviews
Search ANA flights
American AirlinesPriceFrom $990Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

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
Kirkland
Puyallup
Lakewood
Lynnwood
Fife
Shoreline
Marysville
Centralia
Cle Elum
Redmond
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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1 adult
lun. 5/5
lun. 5/12

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