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

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

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 17 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?

United Airlines, Asiana Airlines, and Philippine Airlines 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 day?

1 flights are operational daily from Seattle to Southeast Asia as of June 2026. The most popular departure time for this route is 10:00AM, with 62% of flights per day taking off at noon.

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 June 2026, there are 17 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.

$388 Cheap Flights from Seattle to Southeast Asia in 2026

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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.

10:15 am - 5:35 pm

SEA

SIN

16h 20mnonstop

9:00 am - 8:45 am

SIN

SEA

14h 45mnonstop

$655Singapore Airlines

Thu, Oct 8 - Thu, Oct 22

10:15 am - 5:35 pm

SEA

SIN

16h 20mnonstop

9:00 am - 8:45 am

SIN

SEA

14h 45mnonstop

$656Singapore Airlines

Thu, Oct 8 - Sat, Oct 17

10:15 am - 5:30 pm

SEA

DAD

41h 15m

1 stop

11:55 am - 8:45 am

DAD

SEA

34h 50m

1 stop

$698Singapore Airlines

Thu, Oct 1 - Sat, Oct 17

12:10 am - 9:30 pm

SEA

SIN

30h 20m

1 stop

10:50 pm - 3:15 pm

SIN

SEA

31h 25m

1 stop

$773Asiana Airlines

Sun, Sep 13 - Mon, Sep 21

12:10 am - 9:30 pm

SEA

SIN

30h 20m

1 stop

10:50 pm - 3:15 pm

SIN

SEA

31h 25m

1 stop

$792Asiana Airlines

Tue, Oct 13 - Mon, Oct 19

11:10 pm - 1:15 pm

SEA

HAN

24h 05m

1 stop

1:45 am - 8:05 pm

HAN

SEA

32h 20m

1 stop

$828Philippine Airlines

Tue, Sep 1 - Tue, Sep 22

11:10 pm - 11:55 pm

SEA

CGK

34h 45m

1 stop

12:55 am - 8:05 pm

CGK

SEA

33h 10m

1 stop

$874Philippine Airlines

Wed, Sep 9 - Tue, Sep 22

12:10 am - 9:55 am

SEA

MNL

17h 45m

1 stop

4:55 pm - 6:10 pm

MNL

SEA

17h 15m

1 stop

$991China Airlines

Mon, Nov 30 - Mon, Feb 8

1:55 am - 9:40 am

SEA

SGN

17h 45m

1 stop

5:30 pm - 7:45 pm

SGN

SEA

16h 15m

1 stop

$1,011China Airlines

Sun, Aug 9 - Mon, Aug 31

6:30 am - 10:05 pm

SEA

SGN

25h 35m

1 stop

7:00 am - 3:39 pm

SGN

SEA

22h 39m

1 stop

$1,020EVA Air

Thu, Aug 13 - Tue, Sep 1

Turkish Airlines flights from Seattle to Southeast Asia

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

Turkish Airlines

Jun 10

SEA7:10 pmSeattle/Tacoma Intl

30h 15m

1 stop

BKK3:25 pmBangkok Suvarnabhumi

Jun 18

BKK11:15 amBangkok Suvarnabhumi

44h 05m

1 stop

SEA5:20 pmSeattle/Tacoma Intl

$1,240

Turkish Airlines

Jun 12

SEA7:10 pmSeattle/Tacoma Intl

24h 35m

1 stop

BKK9:45 amBangkok Suvarnabhumi

Jun 17

BKK6:40 amBangkok Suvarnabhumi

24h 40m

1 stop

SEA5:20 pmSeattle/Tacoma Intl

$1,280

Turkish Airlines

Jun 9

SEA7:10 pmSeattle/Tacoma Intl

30h 15m

1 stop

BKK3:25 pmBangkok Suvarnabhumi

Jun 14

BKK11:15 amBangkok Suvarnabhumi

37h 25m

1 stop

SEA10:40 amSeattle/Tacoma Intl

$1,300

Qatar Airways flights from Seattle to Southeast Asia

Our best Qatar Airways deals on Seattle to Southeast Asia flight tickets

Qatar Airways

Aug 19

SEA4:25 pmSeattle/Tacoma Intl

31h 50m

1 stop

KUL3:15 pmKuala Lumpur Intl

Sep 22

KUL2:40 amKuala Lumpur Intl

24h 45m

1 stop

SEA12:25 pmSeattle/Tacoma Intl

$961

Qatar Airways

Sep 9

SEA4:25 pmSeattle/Tacoma Intl

24h 30m

1 stop

KUL7:55 amKuala Lumpur Intl

Sep 22

KUL2:40 amKuala Lumpur Intl

24h 45m

1 stop

SEA12:25 pmSeattle/Tacoma Intl

$963

Qatar Airways

Jun 10

SEA4:36 pmSeattle/Tacoma Intl

55h 09m

2 stops

BKK1:45 pmBangkok Suvarnabhumi

Jun 30

BKK2:30 amBangkok Suvarnabhumi

23h 55m

1 stop

SEA12:25 pmSeattle/Tacoma Intl

$1,091

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Thu 10/8

10:15 am-5:35 pm

Nonstop16h 20m

Singapore Changi

Thu 10/22

9:00 am-8:45 am

Nonstop14h 45m

$655

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Thu 10/8

10:15 am-5:35 pm

Nonstop16h 20m

Singapore Changi

Sat 10/17

9:00 am-8:45 am

Nonstop14h 45m

$656

SeattleDa Nang

SEA - DAD

SEADAD

Seattle/Tacoma Intl

Thu 10/1

10:15 am-5:30 pm

1 stop41h 15m

Da Nang

Sat 10/17

11:55 am-8:45 am

1 stop34h 50m

$698

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Sun 9/13

12:10 am-9:30 pm

1 stop30h 20m

Singapore Changi

Mon 9/21

10:50 pm-3:15 pm

1 stop31h 25m

$773

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Tue 10/13

12:10 am-9:30 pm

1 stop30h 20m

Singapore Changi

Mon 10/19

10:50 pm-3:15 pm

1 stop31h 25m

$792

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Tue 9/1

11:10 pm-1:15 pm

1 stop24h 05m

Hanoi Noibai

Tue 9/22

1:45 am-8:05 pm

1 stop32h 20m

$828

SeattleJakarta

SEA - CGK

SEACGK

Seattle/Tacoma Intl

Wed 9/9

11:10 pm-11:55 pm

1 stop34h 45m

Jakarta Soekarno-Hatta Intl

Tue 9/22

12:55 am-8:05 pm

1 stop33h 10m

$874

SeattleManila

SEA - MNL

SEAMNL

Seattle/Tacoma Intl

Mon 11/30

12:10 am-9:55 am

1 stop17h 45m

Manila Ninoy Aquino Intl

Mon 2/8

4:55 pm-6:10 pm

1 stop17h 15m

$991

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Sun 8/9

1:55 am-9:40 am

1 stop17h 45m

Ho Chi Minh City

Mon 8/31

5:30 pm-7:45 pm

1 stop16h 15m

$1,011

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Thu 8/13

6:30 am-10:05 pm

1 stop25h 35m

Ho Chi Minh City

Tue 9/1

7:00 am-3:39 pm

1 stop22h 39m

$1,020

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 $721. 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 $758.

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 from Seattle 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 $870 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 $730 on momondo.

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

There are 3 cabin classes available to choose from on Seattle 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	12h 30m
Direct flights	Mon, Tue, Wed, Thu, Fri and Sat
Airports in Southeast Asia	295 airports

The fastest flight from Seattle to Southeast Asia takes 12h 30m

Direct flights go from Seattle to Southeast Asia on Monday, Tuesday, 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 June 2026, there are 17 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 15.00% of all bookings. The subsequent popular models are Airbus A321neo at 14.67%, Boeing 737-900 at 8.84%, and Boeing 737 MAX 8 at 8.17%.

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 7.3 999 reviews	Search Philippine Airlines flights
Korean Air	PriceFrom $432	Free Cancellation	Rating 8.4 1,217 reviews	Search Korean Air flights
United Airlines	PriceFrom $440	Free Cancellation	Rating 7.4 9,773 reviews	Search United Airlines flights
Singapore Airlines	PriceFrom $493	Free Cancellation	Rating 8.2 1,530 reviews	Search Singapore Airlines flights
Air Canada	PriceFrom $530	Free Cancellation	Rating 7.1 11,126 reviews	Search Air Canada flights
Asiana Airlines	PriceFrom $533	Free Cancellation	Rating 8.1 539 reviews	Search Asiana Airlines flights
Delta	PriceFrom $548	Free Cancellation	Rating 7.8 8,395 reviews	Search Delta flights
Cathay Pacific	PriceFrom $606	Free Cancellation	Rating 7.6 1,357 reviews	Search Cathay Pacific flights
ANA	PriceFrom $616	Free Cancellation	Rating 8.3 1,220 reviews	Search ANA flights
China Airlines	PriceFrom $668	Free Cancellation	Rating 8.3 828 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.