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Cheap flights from Seattle to Singapore from $328

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Singapore departing on 3/2. 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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Find the cheapest flights from Seattle to Singapore

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Singapore that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to Singapore.

Cheap last minute flights

Planning a quick getaway from Seattle to Singapore? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Singapore, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to Singapore

Find recent round-trip train or bus tickets from Seattle to Singapore.

All round-trip flight deals from Seattle to Singapore

The cheapest plane tickets from Seattle to Singapore found on KAYAK recently.
12:45 pm - 12:35 amSEA-SIN
19h 50m1 stop
1:55 am - 10:55 amSIN-SEA
25h 00m1 stop
$693Asiana Airlines
Find Deal
Sun, Mar 2 - Sat, Mar 8
12:45 pm - 12:35 amSEA-SIN
19h 50m1 stop
1:55 am - 10:55 amSIN-SEA
25h 00m1 stop
$694Asiana Airlines
Find Deal
Sun, Mar 2 - Sat, Mar 8
5:15 pm - 8:00 amSEA-SIN
22h 45m1 stop
10:10 am - 2:22 pmSIN-SEA
20h 12m1 stop
$717United Airlines
Find Deal
Mon, Feb 10 - Mon, Feb 17
3:25 pm - 8:00 amSEA-SIN
24h 35m1 stop
9:00 am - 2:18 pmSIN-SEA
20h 18m1 stop
$724United Airlines
Find Deal
Mon, Feb 3 - Sun, Apr 6
11:00 am - 12:10 amSEA-SIN
21h 10m1 stop
1:30 am - 9:00 amSIN-SEA
23h 30m1 stop
$735Korean Air
Find Deal
Mon, Feb 10 - Sun, Feb 16
11:00 am - 5:00 amSEA-SIN
26h 00m1 stop
10:30 pm - 9:00 amSIN-SEA
26h 30m1 stop
$738Korean Air
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Mon, Feb 10 - Mon, Feb 17
8:40 am - 5:40 pmSEA-SIN
17h 00mnonstop
9:00 am - 8:10 amSIN-SEA
14h 10mnonstop
$778Singapore Airlines
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Thu, Mar 6 - Sun, Mar 23
9:40 am - 5:40 pmSEA-SIN
17h 00mnonstop
9:00 am - 8:45 amSIN-SEA
14h 45mnonstop
$859Singapore Airlines
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Sun, Mar 23 - Sun, Mar 30
8:03 am - 5:25 pmSEA-SIN
41h 22m2 stops
2:20 am - 10:35 amSIN-SEA
48h 15m2 stops
$894Japan Airlines
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Tue, Feb 11 - Mon, Feb 17
8:03 am - 6:40 amSEA-SIN
30h 37m2 stops
2:20 am - 10:35 amSIN-SEA
48h 15m2 stops
$940Japan Airlines
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Mon, Feb 10 - Sun, Feb 16
8:40 am - 5:40 pmSEA-SIN
17h 00mnonstop
$328Singapore Airlines
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Sun, Mar 2
10:15 am - 5:35 pmSEA-SIN
16h 20mnonstop
$355Singapore Airlines
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Sun, Mar 30
12:50 pm - 8:00 amSEA-SIN
27h 10m1 stop
$370United Airlines
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Sun, Feb 9
12:55 pm - 6:45 amSEA-SIN
26h 50m1 stop
$371United Airlines
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Wed, Apr 16
1:45 pm - 9:55 pmSEA-SIN
41h 10m1 stop
$389Asiana Airlines
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Wed, Mar 26
12:45 pm - 9:55 pmSEA-SIN
41h 10m1 stop
$406Asiana Airlines
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Fri, Feb 28
12:00 pm - 11:40 pmSEA-SIN
20h 40m1 stop
$452Korean Air
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Sat, Mar 29
1:00 pm - 5:00 amSEA-SIN
25h 00m1 stop
$455Korean Air
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Fri, May 16
10:44 am - 5:00 amSEA-SIN
26h 16m1 stop
$548Delta
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Fri, Feb 14
12:49 am - 5:00 amSEA-SIN
37h 11m2 stops
$813Delta
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Mon, Mar 10
6:00 am - 12:50 amSEA-SIN
26h 50m2 stops
10:25 pm - 4:59 pmSIN-SEA
34h 34m2 stops
$741Japan Airlines
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Sun, Jan 19 - Sun, Feb 2
7:00 am - 8:15 pmSEA-SIN
21h 15m1 stop
10:10 am - 9:20 pmSIN-SEA
27h 10m1 stop
$742United Airlines
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Fri, Jan 17 - Wed, Jan 22
6:10 am - 8:00 amSEA-SIN
33h 50m2 stops
10:10 am - 7:08 pmSIN-SEA
24h 58m1 stop
$746United Airlines
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Fri, Jan 17 - Wed, Jan 22
9:20 am - 8:15 pmSEA-SIN
42h 55m1 stop
10:10 am - 7:08 pmSIN-SEA
24h 58m1 stop
$747United Airlines
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Sat, Jan 18 - Tue, Jan 28
6:00 am - 6:40 amSEA-SIN
32h 40m2 stops
2:20 am - 6:50 pmSIN-SEA
32h 30m2 stops
$809Japan Airlines
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Fri, Jan 17 - Tue, Jan 21
10:41 am - 5:00 amSEA-SIN
26h 19m1 stop
1:30 am - 3:00 pmSIN-SEA
29h 30m2 stops
$950Korean Air
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Sat, Jan 18 - Mon, Feb 10
5:45 am - 12:35 amSEA-SIN
26h 50m2 stops
1:55 am - 2:30 pmSIN-SEA
28h 35m2 stops
$974Air Canada
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Sat, Jan 18 - Mon, Feb 10
11:00 am - 5:00 amSEA-SIN
26h 00m1 stop
1:30 am - 1:19 pmSIN-SEA
27h 49m1 stop
$1,088Korean Air
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Fri, Jan 17 - Tue, Jan 21
8:40 am - 5:40 pmSEA-SIN
17h 00mnonstop
8:45 pm - 10:00 amSIN-SEA
29h 15m1 stop
$1,168Singapore Airlines
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Sun, Jan 19 - Sun, Feb 2
7:59 pm - 7:05 pmSEA-SIN
31h 06m1 stop
2:10 am - 10:31 amSIN-SEA
48h 21m2 stops
$1,375Singapore Airlines
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Sun, Jan 19 - Sat, Feb 1
10:15 am - 5:35 pmSEA-SIN
16h 20mnonstop
9:00 am - 8:45 amSIN-SEA
14h 45mnonstop
$724Singapore Airlines
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Tue, May 6 - Tue, May 20
10:15 am - 5:35 pmSEA-SIN
16h 20mnonstop
9:00 am - 8:45 amSIN-SEA
14h 45mnonstop
$725Singapore Airlines
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Sun, Mar 30 - Tue, Apr 15
8:40 am - 5:40 pmSEA-SIN
17h 00mnonstop
9:00 am - 8:10 amSIN-SEA
14h 10mnonstop
$766Singapore Airlines
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Thu, Mar 6 - Sun, Mar 23
10:15 am - 5:35 pmSEA-SIN
16h 20mnonstop
9:00 am - 8:45 amSIN-SEA
14h 45mnonstop
$774Singapore Airlines
Find Deal
Tue, Apr 1 - Sat, Apr 12
10:15 am - 5:35 pmSEA-SIN
16h 20mnonstop
9:00 am - 8:45 amSIN-SEA
14h 45mnonstop
$926Singapore Airlines
Find Deal
Thu, Apr 3 - Tue, Apr 8
10:15 am - 5:35 pmSEA-SIN
16h 20mnonstop
9:00 am - 8:45 amSIN-SEA
14h 45mnonstop
$928Singapore Airlines
Find Deal
Tue, Apr 1 - Tue, Apr 29
8:40 am - 5:40 pmSEA-SIN
17h 00mnonstop
9:00 am - 8:45 amSIN-SEA
14h 45mnonstop
$956Singapore Airlines
Find Deal
Tue, Mar 4 - Sun, Mar 30
8:40 am - 5:40 pmSEA-SIN
17h 00mnonstop
9:00 am - 8:45 amSIN-SEA
14h 45mnonstop
$980Singapore Airlines
Find Deal
Tue, Mar 4 - Sun, Mar 30
9:40 am - 5:40 pmSEA-SIN
17h 00mnonstop
9:00 am - 8:45 amSIN-SEA
14h 45mnonstop
$982Singapore Airlines
Find Deal
Sat, Mar 29 - Tue, Apr 15
8:40 am - 5:40 pmSEA-SIN
17h 00mnonstop
9:00 am - 8:45 amSIN-SEA
14h 45mnonstop
$986Singapore Airlines
Find Deal
Tue, Mar 4 - Sun, Mar 30

Lufthansa flights from Seattle to Singapore

Our best Lufthansa deals on Seattle to Singapore flight tickets
Lufthansa
Feb 15
SEA4:58 pmSeattle/Tacoma Intl
35h 17m
1 stop
SIN8:15 pmSingapore Changi
Feb 27
SIN10:20 pmSingapore Changi
28h 52m
1 stop
SEA11:12 amSeattle/Tacoma Intl
Lufthansa
Feb 10
SEA3:25 pmSeattle/Tacoma Intl
24h 35m
1 stop
SIN8:00 amSingapore Changi
Feb 17
SIN10:10 amSingapore Changi
21h 44m
1 stop
SEA3:54 pmSeattle/Tacoma Intl

Air Canada flights from Seattle to Singapore

Our best Air Canada deals on Seattle to Singapore flight tickets
Air Canada
Feb 19
SEA3:05 pmSeattle/Tacoma Intl
31h 45m
2 stops
SIN2:50 pmSingapore Changi
Feb 25
SIN1:55 amSingapore Changi
28h 35m
2 stops
SEA2:30 pmSeattle/Tacoma Intl
Air Canada
Feb 19
SEA10:35 amSeattle/Tacoma Intl
32h 40m
2 stops
SIN11:15 amSingapore Changi
Feb 25
SIN1:55 amSingapore Changi
28h 35m
2 stops
SEA2:30 pmSeattle/Tacoma Intl
Air Canada
Feb 19
SEA3:05 pmSeattle/Tacoma Intl
28h 10m
2 stops
SIN11:15 amSingapore Changi
Feb 25
SIN1:55 amSingapore Changi
36h 12m
2 stops
SEA10:07 pmSeattle/Tacoma Intl

See travel insights to Singapore from

How to get the cheapest flight ticket from Seattle to Singapore

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 Singapore?

The month of January is, on average, the cheapest month to fly to Singapore from Seattle, with most prices found around $898. If you aren’t able to travel to Singapore during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $973.

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

The cheapest day to depart from Seattle to Singapore is on a Wednesday when prices can be found for as low as $1,033. The most expensive day to fly to Singapore is Friday, with ticket prices averaging around $1,241.

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

At noon is the cheapest time of day to fly from Seattle to Singapore when you can find flight prices for as low as $1,089. Flying to Singapore at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,226 on average. Flights to Singapore from Seattle in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

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

You are more likely to see cheaper flights to Singapore from Seattle when booking 12 weeks ahead of your departure date. In general, you can expect to find flights to Singapore for around $1,162 when searching 12 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Singapore from Seattle for as low as $907 on momondo.

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

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Singapore Changi flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seattle to Singapore flight prices changed over time?

As of January 2025, prices for Seattle to Singapore flights are approximately 22% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Singapore

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

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

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

Best Price Found

$328

Fastest flight time

16h 20m

Direct flights

Mon, Wed, Fri, Sat and Sun

Airports in Singapore

1 airport
The best one-way flight to Singapore from Seattle in the past 72 hours is $328. The best round-trip flight deal from Seattle to Singapore found on momondo in the last 72 hours is $693.
The fastest flight from Seattle to Singapore takes 16h 20m
Direct flights go from Seattle to Singapore on Monday, Wednesday, Friday, Saturday and Sunday. Airlines offering direct flights are: Vistara and Singapore Airlines.
There is 1 airport near Singapore: Singapore Changi (SIN)

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

    Singapore Changi is 8059.6 mi away from Seattle/Tacoma Intl. Typically, this will take 16h 20m by plane in normal conditions.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Singapore Changi Airport.

  • What documentation or ID do you need to fly to Singapore Changi Airport?

    The travel and health documents you'll need for your trip to Singapore Changi 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 Singapore Changi 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 Seattle to Singapore?

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


Best airlines flying from Seattle to Singapore

Compare and see reviews for airlines that fly from Seattle to Singapore with momondo
Airline
Rating
Free Cancellation
Price
Asiana AirlinesPriceFrom $694Free CancellationRating
8.2
465 reviews
Search Asiana Airlines flights
American AirlinesPriceFrom $706Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Philippine AirlinesPriceFrom $728Free CancellationRating
7.3
922 reviews
Search Philippine Airlines flights
Korean AirPriceFrom $728Free CancellationRating
8.4
1,034 reviews
Search Korean Air flights
Singapore AirlinesPriceFrom $735Free CancellationRating
8.1
1,327 reviews
Search Singapore Airlines flights
United AirlinesPriceFrom $770Free CancellationRating
7.4
8,965 reviews
Search United Airlines flights
Japan AirlinesPriceFrom $786Free CancellationRating
8.3
1,448 reviews
Search Japan Airlines flights
DeltaPriceFrom $886Free CancellationRating
8.0
8,511 reviews
Search Delta flights
China AirlinesPriceFrom $899Free CancellationRating
8.2
737 reviews
Search China Airlines flights
Air CanadaPriceFrom $911Free CancellationRating
7.0
8,587 reviews
Search Air Canada flights
  • Singapore Airlines Flights From Seattle to Singapore

    Across 4 Singapore Airlines flights from Seattle to Singapore this week, the average price was $1,165, with the best Singapore Airlines deals starting from $735 round-trip. 1,327 users have rated Singapore Airlines on momondo, with an average score of 8.1/10.


Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Singapore. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Seattle to Singapore on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Seattle to Singapore flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Singapore, momondo offers a useful price alert feature which will track prices for flights to Singapore from Seattle and alert you when they change.


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