How many flights depart from Seattle to Southeast Asia on average per day?

1 flights are operational daily from Seattle to Southeast Asia as of April 2026. The most popular departure time for this route is 9:00AM, with 62% of flights per day taking off at noon.

What airlines fly to Southeast Asia?

Asiana Airlines, Philippine Airlines and EVA Air are the top three most popular airlines that fly to Southeast Asia from Seattle according to our data. Asiana Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Southeast Asia. Keep in mind that there are 16 different airlines that fly to Southeast Asia on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Southeast Asia?

Asiana Airlines, Delta, and Korean Air are the most popular carriers operating from Seattle/Tacoma Intl to Southeast Asia

How many flights depart from Seattle to Southeast Asia on average per week?

As of April 2026, there are 8 flights per week flying from Seattle to Southeast Asia. The most common day of the week flights depart is Fri, with 25% of flights taking off on this day.

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Southeast Asia?

Prices for flights from Seattle/Tacoma Intl Airport to Southeast Asia refresh daily.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Southeast Asia?

As of April 2026, there are 16 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Southeast Asia.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Southeast Asia?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Southeast Asia.

What documentation or ID do you need to fly to Southeast Asia?

The travel and health documents you'll need for your trip to Southeast Asia 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 Southeast Asia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$166 Cheap Flights from Seattle to Southeast Asia in 2026

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0 bags

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Find the cheapest flights from Seattle to Southeast Asia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:10 pm - 2:45 pm

SEA

CEB

24h 35m

1 stop

12:05 am - 8:05 pm

CEB

SEA

35h 00m

1 stop

$443Philippine Airlines

Wed, Sep 16 - Tue, Sep 29

11:10 pm - 6:10 pm

SEA

CEB

28h 00m

1 stop

7:05 am - 8:05 pm

CEB

SEA

28h 00m

1 stop

$499Philippine Airlines

Tue, Sep 22 - Wed, Oct 7

10:15 am - 2:50 pm

SEA

CEB

37h 35m

1 stop

3:40 pm - 8:10 am

CEB

SEA

31h 30m

1 stop

$669Singapore Airlines

Thu, Oct 15 - Mon, Oct 26

10:15 am - 8:00 pm

SEA

BKK

19h 45m

1 stop

9:10 pm - 8:10 am

BKK

SEA

25h 00m

1 stop

$686Singapore Airlines

Thu, Oct 1 - Sat, Oct 31

7:20 am - 10:10 pm

SEA

SGN

24h 50m

2 stops

7:30 am - 10:40 am

SGN

SEA

17h 10m

1 stop

$703Korean Air

Mon, Aug 10 - Thu, Sep 10

7:20 am - 10:10 pm

SEA

SGN

24h 50m

2 stops

7:30 am - 3:24 pm

SGN

SEA

21h 54m

2 stops

$714Korean Air

Mon, Aug 10 - Thu, Sep 10

12:55 am - 12:15 pm

SEA

HAN

21h 20m

1 stop

1:25 pm - 2:55 pm

HAN

SEA

15h 30m

1 stop

$719Asiana Airlines

Mon, Aug 31 - Tue, Sep 8

7:36 pm - 10:05 pm

SEA

CEB

59h 29m

3 stops

9:15 am - 1:12 am

CEB

SEA

30h 57m

3 stops

$728United Airlines

Sat, May 2 - Mon, May 18

7:36 pm - 10:05 pm

SEA

CEB

59h 29m

3 stops

9:15 am - 10:43 am

CEB

SEA

40h 28m

3 stops

$733United Airlines

Sat, May 2 - Tue, May 19

12:10 am - 12:15 pm

SEA

HAN

22h 05m

1 stop

11:50 pm - 1:55 pm

HAN

SEA

29h 05m

1 stop

$736Asiana Airlines

Tue, Oct 6 - Wed, Nov 4

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SAUDIA flights from Seattle to Southeast Asia

Our best SAUDIA deals on Seattle to Southeast Asia flight tickets

SAUDIA

May 4

SEA10:40 pmSeattle/Tacoma Intl

49h 05m

2 stops

BKK1:45 pmBangkok Suvarnabhumi

May 11

BKK1:50 amBangkok Suvarnabhumi

34h 55m

2 stops

SEA10:45 pmSeattle/Tacoma Intl

$892

SAUDIA

May 1

SEA10:40 pmSeattle/Tacoma Intl

49h 00m

2 stops

BKK1:40 pmBangkok Suvarnabhumi

May 11

BKK1:50 amBangkok Suvarnabhumi

34h 55m

2 stops

SEA10:45 pmSeattle/Tacoma Intl

$901

SAUDIA

Apr 25

SEA7:20 amSeattle/Tacoma Intl

40h 20m

2 stops

BKK1:40 pmBangkok Suvarnabhumi

May 8

BKK1:50 amBangkok Suvarnabhumi

34h 34m

2 stops

SEA10:24 pmSeattle/Tacoma Intl

$908

Philippine Airlines flights from Seattle to Southeast Asia

Our best Philippine Airlines deals on Seattle to Southeast Asia flight tickets

Philippine Airlines

Sep 20

SEA11:10 pmSeattle/Tacoma Intl

28h 45m

1 stop

SIN6:55 pmSingapore Changi

Nov 1

SIN7:45 pmSingapore Changi

38h 50m

1 stop

SEA6:35 pmSeattle/Tacoma Intl

$332

Philippine Airlines

Sep 13

SEA11:10 pmSeattle/Tacoma Intl

28h 45m

1 stop

SIN6:55 pmSingapore Changi

Oct 28

SIN7:45 pmSingapore Changi

38h 50m

1 stop

SEA7:35 pmSeattle/Tacoma Intl

$363

Philippine Airlines

Sep 16

SEA11:10 pmSeattle/Tacoma Intl

18h 55m

1 stop

SIN9:05 amSingapore Changi

Oct 29

SIN10:30 amSingapore Changi

24h 05m

1 stop

SEA7:35 pmSeattle/Tacoma Intl

$366

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleCebu City

SEA - CEB

SEACEB

Seattle/Tacoma Intl

Wed 9/16

11:10 pm-2:45 pm

1 stop24h 35m

Cebu City Mactan Intl

Tue 9/29

12:05 am-8:05 pm

1 stop35h 00m

$443

SeattleCebu City

SEA - CEB

SEACEB

Seattle/Tacoma Intl

Tue 9/22

11:10 pm-6:10 pm

1 stop28h 00m

Cebu City Mactan Intl

Wed 10/7

7:05 am-8:05 pm

1 stop28h 00m

$499

SeattleCebu City

SEA - CEB

SEACEB

Seattle/Tacoma Intl

Thu 10/15

10:15 am-2:50 pm

1 stop37h 35m

Cebu City Mactan Intl

Mon 10/26

3:40 pm-8:10 am

1 stop31h 30m

$669

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Thu 10/1

10:15 am-8:00 pm

1 stop19h 45m

Bangkok Suvarnabhumi

Sat 10/31

9:10 pm-8:10 am

1 stop25h 00m

$686

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Mon 8/10

7:20 am-10:10 pm

2 stops24h 50m

Ho Chi Minh City

Thu 9/10

7:30 am-10:40 am

1 stop17h 10m

$703

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Mon 8/10

7:20 am-10:10 pm

2 stops24h 50m

Ho Chi Minh City

Thu 9/10

7:30 am-3:24 pm

2 stops21h 54m

$714

Quickest round-trip

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Mon 8/31

12:55 am-12:15 pm

1 stop21h 20m

Hanoi Noibai

Tue 9/8

1:25 pm-2:55 pm

1 stop15h 30m

$719

SeattleCebu City

SEA - CEB

SEACEB

Seattle/Tacoma Intl

Sat 5/2

7:36 pm-10:05 pm

3 stops59h 29m

Cebu City Mactan Intl

Mon 5/18

9:15 am-1:12 am

3 stops30h 57m

$728

SeattleCebu City

SEA - CEB

SEACEB

Seattle/Tacoma Intl

Sat 5/2

7:36 pm-10:05 pm

3 stops59h 29m

Cebu City Mactan Intl

Tue 5/19

9:15 am-10:43 am

3 stops40h 28m

$733

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Tue 10/6

12:10 am-12:15 pm

1 stop22h 05m

Hanoi Noibai

Wed 11/4

11:50 pm-1:55 pm

1 stop29h 05m

$736

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seattle to Southeast Asia

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

Prices

Airlines

Other information

What is the cheapest month to fly to Southeast Asia?

The month of September is, on average, the cheapest month to fly to Southeast Asia from Seattle, with most prices found around $739. If you don’t want to visit Southeast Asia in September, then you should wait until October to fly from Seattle, when ticket prices are also cheap, with an average price of $742.

What is the cheapest Seattle/Tacoma Intl to Southeast Asia flight route?

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

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

You are more likely to see cheaper flights to Southeast Asia from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around $869 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southeast Asia from Seattle for as low as $733 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Southeast Asia flights?

There are 3 cabin classes available to choose from on Seattle/Tacoma Intl to Southeast Asia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seattle to Southeast Asia flights?

You could potentially save up to 35% on your flight if you consider stops on a Seattle to Southeast Asia flight.

Cheap Seattle to Southeast Asia flight deals and tips

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

Fastest flight time	13h 30m
Direct flights	Mon, Wed, Thu, Fri and Sat
Airports in Southeast Asia	295 airports

The fastest flight from Seattle to Southeast Asia takes 13h 30m

Direct flights go from Seattle to Southeast Asia on Monday, Wednesday, Thursday, Friday and Saturday. There are no airlines offering direct flights.

There are 295 airports in Southeast Asia. From Seattle there are direct flights to Manila Ninoy Aquino Intl (MNL).

Search flight deals

Frequently asked questions about flying from Seattle to Southeast Asia

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Southeast Asia?
Prices for flights from Seattle/Tacoma Intl Airport to Southeast Asia refresh daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Southeast Asia?
As of April 2026, there are 16 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Southeast Asia.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Southeast Asia?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Southeast Asia.
What documentation or ID do you need to fly to Southeast Asia?
The travel and health documents you'll need for your trip to Southeast Asia 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 Southeast Asia. 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 Southeast Asia?
momondo data reveals that the most frequently booked plane model on the route from Seattle to Southeast Asia is Boeing 737-800 Passenger/BBJ2 (winglets), representing 16.84% of all bookings. The subsequent popular models are Airbus A321neo at 13.68%, Boeing 737 MAX 8 at 8.33%, and Boeing 737-900 at 8.04%.

Best airlines flying from Seattle to Southeast Asia

Compare and see reviews for airlines that fly from Seattle to Southeast Asia with momondo

Airline	Rating	Free Cancellation	Price
Philippine Airlines	PriceFrom $149	Free Cancellation	Rating 7.3 990 reviews	Search Philippine Airlines flights
Korean Air	PriceFrom $418	Free Cancellation	Rating 8.4 1,212 reviews	Search Korean Air flights
Air Canada	PriceFrom $425	Free Cancellation	Rating 7.1 10,939 reviews	Search Air Canada flights
United Airlines	PriceFrom $440	Free Cancellation	Rating 7.4 9,604 reviews	Search United Airlines flights
Singapore Airlines	PriceFrom $493	Free Cancellation	Rating 8.2 1,499 reviews	Search Singapore Airlines flights
Japan Airlines	PriceFrom $572	Free Cancellation	Rating 8.3 1,783 reviews	Search Japan Airlines flights
Asiana Airlines	PriceFrom $586	Free Cancellation	Rating 8.0 518 reviews	Search Asiana Airlines flights
Cathay Pacific	PriceFrom $606	Free Cancellation	Rating 7.6 1,280 reviews	Search Cathay Pacific flights
ANA	PriceFrom $616	Free Cancellation	Rating 8.4 1,179 reviews	Search ANA flights
China Airlines	PriceFrom $667	Free Cancellation	Rating 8.3 817 reviews	Search China Airlines flights

Why use momondo?

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

Finding the right flight to Southeast Asia from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Southeast Asia quick and easy, saving you time and money.

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

Flights from Seattle to Southeast Asia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to Southeast Asia?

momondo provides multiple filters to help you find the best flight to Southeast Asia from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Seattle to Southeast Asia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.