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S$ 450 Find Cheap Flights from Seattle to Singapore

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Singapore departing on 5-9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Best Singapore Flight Deals from Seattle

Cheapest return prices found by our users on KAYAK in the last 72 hours

Singapore
Singapore1 stopS$ 944

Cheap Flight Deals from Seattle to Singapore (SEA-SG0)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Seattle to Singapore that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent return flight deals from Seattle to Singapore

Recommended return flight deals departing in the coming months from the most popular airlines that fly from Seattle to Singapore.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
10:00 - 07:05SEA-SIN
30h 05m1 stop
09:10 - 18:33SIN-SEA
24h 23m1 stop
S$ 944Air Canada
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Thu, 1 May - Thu, 15 May
10:00 - 07:05SEA-SIN
30h 05m1 stop
09:10 - 22:13SIN-SEA
28h 03m1 stop
S$ 946Air Canada
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Thu, 1 May - Thu, 15 May
14:15 - 21:30SEA-SIN
40h 15m1 stop
22:50 - 12:30SIN-SEA
28h 40m1 stop
S$ 976Asiana Airlines
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Mon, 1 Sep - Sun, 14 Sep
14:15 - 21:30SEA-SIN
40h 15m1 stop
22:50 - 12:30SIN-SEA
28h 40m1 stop
S$ 995Asiana Airlines
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Sun, 4 May - Tue, 20 May
19:15 - 00:50SEA-SIN
38h 35m2 stops
09:10 - 22:13SIN-SEA
28h 03m1 stop
S$ 1,014
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Sun, 11 May - Sun, 18 May
05:40 - 00:50SEA-SIN
28h 10m2 stops
09:10 - 14:13SIN-SEA
20h 03m1 stop
S$ 1,015
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Sun, 11 May - Tue, 20 May
10:15 - 17:35SEA-SIN
16h 20mdirect
09:00 - 08:45SIN-SEA
14h 45mdirect
S$ 1,116Singapore Airlines
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Fri, 12 Sep - Fri, 26 Sep
13:20 - 23:40SEA-SIN
19h 20m1 stop
01:10 - 10:40SIN-SEA
24h 30m1 stop
S$ 1,144Korean Air
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Wed, 27 Aug - Wed, 10 Sep
10:15 - 17:35SEA-SIN
16h 20mdirect
09:15 - 16:53SIN-SEA
22h 38m1 stop
S$ 1,150Singapore Airlines
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Tue, 2 Sep - Mon, 15 Sep
12:50 - 23:40SEA-SIN
19h 50m1 stop
01:10 - 10:40SIN-SEA
24h 30m1 stop
S$ 1,163Korean Air
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Sun, 7 Sep - Sat, 20 Sep

KAYAK's insights & trends for Seattle to Singapore flights

Get data-powered insights and trends into flights from Seattle to Singapore to help you find the cheapest flights, the best time to fly, and much more.

What is the cheapest Seattle to Singapore flight route?

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for round-trip flights from Seattle to Singapore.
The cheapest ticket to Singapore from Seattle found in the last 72 hours was to Singapore, at S$ 1,485 return. The most popular route is from Seattle (SEA) to Singapore (SIN), and the cheapest round-trip airline ticket found on this route in the last 72 hours was S$ 1,485.

What is the cheapest time of day to fly to Singapore?

The average price for all round-trip flights from Seattle to Singapore depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.
The cheapest time of day to fly to Singapore is generally in the morning, when retur flights cost S$ 1,109 on average. The most expensive time of day to fly to Singapore is generally in the afternoon, which is peak travel time and where the average cost of a ticket is S$ 1,448.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to Singapore, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Seattle to Singapore is March, when tickets cost S$ 1,148 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of return tickets is S$ 2,175 and S$ 1,891 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Seattle to Singapore, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.
To get a below-average price on the flight from Seattle to Singapore, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 12 weeks before departure.
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Good to know

Low season

August

High season

December

Cheapest flight

S$ 450
Best time to beat the crowds but there is an average 8% increase in price.
Most popular time to fly (49% more expensive on average)
Flight from Seattle to Singapore

Flights from Seattle to Singapore: the best tips from KAYAK users

Insights shared by verified travellers who flew the route from Seattle to Singapore 
Learn how KAYAK collects reviews and tips from users.
Verified travelerFlew with Singapore AirlinesSEA-SINAug 2024
If you need special meals book them early
JeffFlew with Singapore AirlinesSEA-SINJan 2024
Delta & Alaska have best boarding process! Singapore airlines was ok!

FAQs - booking Singapore flights

  • How does KAYAK find such low prices on flights from Seattle to Singapore?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Singapore.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Singapore?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Seattle to Singapore is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Singapore?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Seattle to Singapore with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Singapore?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Seattle to Singapore up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

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

Information on your arrival and departure airports

Seattle (SEA)

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