S$ 459 Find Cheap Flights from Seattle to Southeast Asia

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 Southeast Asia 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.
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KAYAK searches hundreds of travel sites at once for deals on flights to Southeast Asia

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Southeast Asia, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Southeast Asia, as well as popular online travel agencies
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Best Southeast Asia Flight Deals from Seattle

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

Singapore
SingaporedirectS$ 846

Cheap Flight Deals from Seattle to Southeast Asia (SEA-zzYJX)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Seattle to Southeast Asia 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 Southeast Asia

Recommended return flight deals departing in the coming months from the most popular airlines that fly from Seattle to Southeast Asia.
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$ 846Singapore Airlines
Find Deal
Tue, 7 Oct - Tue, 21 Oct
Philippine Airlines Logo
23:35 - 18:55SEA-SIN
28h 20m1 stop
Philippine Airlines Logo
10:25 - 19:15SIN-SEA
23h 50m1 stop
S$ 908Philippine Airlines
Find Deal
Sun, 7 Sep - Sun, 21 Sep
Air Canada Logo
19:15 - 07:05SEA-SIN
20h 50m1 stop
Air Canada Logo
09:10 - 13:05SIN-SEA
18h 55m1 stop
S$ 925Air Canada
Find Deal
Tue, 7 Oct - Tue, 21 Oct
Air Canada Logo
19:15 - 05:00SEA-SIN
42h 45m2 stops
Air Canada Logo
09:10 - 14:16SIN-SEA
20h 06m1 stop
S$ 934Air Canada
Find Deal
Sun, 31 Aug - Tue, 30 Sep
ANA Logo
16:30 - 06:40SEA-SIN
23h 10m1 stop
ANA Logo
11:05 - 14:25SIN-SEA
18h 20m1 stop
S$ 968ANA
Find Deal
Tue, 6 May - Wed, 14 May
 Logo
14:55 - 07:05SEA-SIN
25h 10m1 stop
 Logo
09:45 - 18:36SIN-SEA
23h 51m2 stops
S$ 1,033
Find Deal
Tue, 7 Oct - Tue, 21 Oct
 Logo
19:15 - 05:00SEA-SIN
42h 45m2 stops
 Logo
09:45 - 18:36SIN-SEA
23h 51m2 stops
S$ 1,043
Find Deal
Sun, 14 Sep - Mon, 22 Sep
China Airlines Logo
01:10 - 12:35SEA-SIN
20h 25m1 stop
China Airlines Logo
13:45 - 19:20SIN-SEA
20h 35m1 stop
S$ 1,139China Airlines
Find Deal
Mon, 6 Oct - Tue, 21 Oct
ANA Logo
16:30 - 06:40SEA-SIN
23h 10m1 stop
ANA Logo
22:10 - 15:14SIN-SEA
32h 04m2 stops
S$ 1,177ANA
Find Deal
Mon, 1 Sep - Mon, 8 Sep
China Airlines Logo
01:40 - 12:35SEA-SIN
19h 55m1 stop
China Airlines Logo
13:45 - 19:20SIN-SEA
20h 35m1 stop
S$ 1,179China Airlines
Find Deal
Sat, 13 Sep - Mon, 29 Sep

KAYAK's insights & trends for Seattle to Southeast Asia flights

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

What is the cheapest Seattle to Southeast Asia 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 Southeast Asia.
The cheapest ticket to Southeast Asia from Seattle found in the last 72 hours was to Manila, at S$ 1,190 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$ 2,334.

What is the cheapest time of day to fly to Southeast Asia?

The average price for all round-trip flights from Seattle to Southeast Asia depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.
The cheapest time of day to fly to Southeast Asia is generally in the morning, when retur flights cost S$ 1,109 on average. The most expensive time of day to fly to Southeast Asia 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 Southeast Asia?

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.
No, with an average price for the route of S$ 2,268, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Seattle to Southeast Asia?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to Southeast Asia, 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 Southeast Asia is March, when tickets cost S$ 1,099 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of return tickets is S$ 2,123 and S$ 1,809 respectively.

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

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 Southeast Asia, 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 Southeast Asia, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 12 weeks before departure.

Good to know

Low season

June

High season

January

Cheapest flight

S$ 459
Best time to beat the crowds but there is an average 37% increase in price.
Most popular time to fly and prices are also 12% lower on average.
Flight from Seattle to Singapore

Flights from Seattle to Southeast Asia: the best tips from KAYAK users

Insights shared by verified travellers who flew the route from Seattle to Southeast Asia 
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 Southeast Asia flights

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

    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 Southeast Asia.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Seattle to Southeast Asia 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 Southeast Asia?

    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 Southeast Asia 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 Southeast Asia?

    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 Southeast Asia 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 to Southeast Asia

Information on your arrival and departure airports

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