S$ 456 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 4-9. 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.
1 adult

KAYAK searches hundreds of travel sites at once for deals on flights to Singapore

Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Best Singapore Flight Deals from Seattle

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

Singapore
SingaporedirectS$ 825

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
Singapore Airlines Logo
10:15 - 17:35SEA-SIN
16h 20mdirect
Singapore Airlines Logo
09:00 - 08:45SIN-SEA
14h 45mdirect
S$ 825Singapore Airlines
Find Deal
czw., 2 paź - czw., 9 paź
Singapore Airlines Logo
07:00 - 19:10SEA-SIN
21h 10m1 stop
Singapore Airlines Logo
09:00 - 08:45SIN-SEA
14h 45mdirect
S$ 848Singapore Airlines
Find Deal
czw., 2 paź - czw., 9 paź
Philippine Airlines Logo
23:35 - 13:20SEA-SIN
22h 45m1 stop
Philippine Airlines Logo
14:35 - 19:15SIN-SEA
19h 40m1 stop
S$ 911Philippine Airlines
Find Deal
ndz., 7 wrz - ndz., 21 wrz
Air Canada Logo
14:55 - 07:05SEA-SIN
25h 10m1 stop
Air Canada Logo
09:10 - 18:33SIN-SEA
24h 23m1 stop
S$ 928Air Canada
Find Deal
czw., 1 maj - czw., 22 maj
Air Canada Logo
10:00 - 07:05SEA-SIN
30h 05m1 stop
Air Canada Logo
09:10 - 18:33SIN-SEA
24h 23m1 stop
S$ 930Air Canada
Find Deal
czw., 1 maj - czw., 22 maj
Philippine Airlines Logo
23:35 - 18:55SEA-SIN
28h 20m1 stop
Philippine Airlines Logo
00:20 - 19:15SIN-SEA
33h 55m1 stop
S$ 931Philippine Airlines
Find Deal
ndz., 7 wrz - sob., 20 wrz
Korean Air Logo
12:50 - 05:00SEA-SIN
25h 10m1 stop
Korean Air Logo
07:30 - 10:40SIN-SEA
18h 10m1 stop
S$ 943Korean Air
Find Deal
ndz., 27 kwi - czw., 29 maj
Korean Air Logo
12:50 - 23:40SEA-SIN
19h 50m1 stop
Korean Air Logo
01:10 - 10:40SIN-SEA
24h 30m1 stop
S$ 946Korean Air
Find Deal
wt., 29 kwi - pon., 12 maj
Asiana Airlines Logo
14:15 - 21:30SEA-SIN
40h 15m1 stop
Asiana Airlines Logo
22:50 - 12:30SIN-SEA
28h 40m1 stop
S$ 959Asiana Airlines
Find Deal
pon., 12 maj - pon., 19 maj
Asiana Airlines Logo
14:15 - 21:30SEA-SIN
40h 15m1 stop
Asiana Airlines Logo
22:50 - 12:30SIN-SEA
28h 40m1 stop
S$ 993Asiana Airlines
Find Deal
czw., 8 maj - ndz., 18 maj

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$ 2,343 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$ 2,343.

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.

Can I save money by flying with a stopover from Seattle to Singapore?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.
Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 1 stop stopover the cheapest option at S$ 2,343 on average.

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$ 1,103 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of return tickets is S$ 2,131 and S$ 1,816 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.

Good to know

Low season

August

High season

December

Cheapest flight

S$ 456
Best time to beat the crowds but there is an average 9% increase in price.
Most popular time to fly (52% 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 
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

Not what you’re looking for? Find thousands of other hotels, flights, car hires and package deals with KAYAK.