How many flights depart from State of Washington to Southeast Asia on average per day?

As of April 2026, 1 flights take off from State of Washington and land in Southeast Asia each day. The most common flight departure time for this route is 9:00AM, with 62% of daily flights taking off at noon.

What is the cheapest airline that flies from Washington to Southeast Asia?

Delta, Korean Air, and Singapore Airlines are the most popular carriers operating from Washington to Southeast Asia

How many flights depart from State of Washington to Southeast Asia on average per week?

The number of flights available between State of Washington and Southeast Asia is 8 per week as of April 2026. The most frequent departure day is Fri, with 25% of weekly flights leaving 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 State of Washington 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.

How long is the flight from State of Washington to Southeast Asia?

If you’re flying from a popular airport in State of Washington, such as Seattle or Spokane, and flying into Southeast Asia, then you can expect flight times to average 9h 15m and 14h 05m, respectively.

When did momondo last update prices for flights from Washington to Southeast Asia?

Prices for flights from Washington to Southeast Asia are refreshed on a daily basis.

How many operators does momondo search for flights from Washington to Southeast Asia?

There are 17 operators available for flights from Washington to Southeast Asia as of April 2026.

How old do you have to be to fly from Washington 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 Washington to Southeast Asia.

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

The required travel and health documents for your Southeast Asia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Southeast Asia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$166 Cheap Flights from Washington to Southeast Asia in 2026

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Find the cheapest flights from Washington 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

7:20 pm - 10:35 am

SEA

CEB

24h 15m

2 stops

2:35 pm - 8:05 pm

CEB

SEA

20h 30m

1 stop

$559Multiple 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

11:10 pm - 8:00 am

SEA

CEB

17h 50m

1 stop

11:00 am - 8:05 pm

CEB

SEA

24h 05m

2 stops

$670Multiple 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 - 8:10 pm

SEA

CGK

29h 15m

1 stop

9:30 pm - 2:55 pm

CGK

SEA

31h 25m

1 stop

$865Asiana Airlines

Tue, Aug 25 - Wed, Sep 23

12:55 am - 9:30 pm

SEA

SIN

29h 35m

1 stop

10:50 pm - 2:55 pm

SIN

SEA

31h 05m

1 stop

$901Asiana Airlines

Mon, Apr 27 - Mon, May 4

SAUDIA flights from State of Washington to Southeast Asia

Our best SAUDIA deals on State of Washington 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

50h 45m

2 stops

BKK12:05 amBangkok Suvarnabhumi

May 8

BKK1:50 amBangkok Suvarnabhumi

34h 34m

2 stops

SEA10:24 pmSeattle/Tacoma Intl

$941

Qatar Airways flights from State of Washington to Southeast Asia

Our best Qatar Airways deals on State of Washington to Southeast Asia flight tickets

Qatar Airways

Apr 27

SEA4:25 pmSeattle/Tacoma Intl

25h 55m

1 stop

SIN9:20 amSingapore Changi

May 3

SIN1:05 amSingapore Changi

28h 40m

1 stop

SEA2:45 pmSeattle/Tacoma Intl

$959

Qatar Airways

May 11

SEA5:05 pmSeattle/Tacoma Intl

30h 00m

1 stop

BKK1:05 pmBangkok Suvarnabhumi

May 26

BKK2:30 amBangkok Suvarnabhumi

26h 15m

1 stop

SEA2:45 pmSeattle/Tacoma Intl

$968

Qatar Airways

May 4

SEA5:05 pmSeattle/Tacoma Intl

30h 40m

1 stop

BKK1:45 pmBangkok Suvarnabhumi

May 10

BKK2:30 amBangkok Suvarnabhumi

26h 15m

1 stop

SEA2:45 pmSeattle/Tacoma Intl

$972

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Southeast Asia that are best for you.

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

Tue 9/22

7:20 pm-10:35 am

2 stops24h 15m

Cebu City Mactan Intl

Wed 10/7

2:35 pm-8:05 pm

1 stop20h 30m

$559

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

Quickest round-trip

SeattleCebu City

SEA - CEB

SEACEB

Seattle/Tacoma Intl

Thu 10/15

11:10 pm-8:00 am

1 stop17h 50m

Cebu City Mactan Intl

Mon 10/26

11:00 am-8:05 pm

2 stops24h 05m

$670

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

SeattleJakarta

SEA - CGK

SEACGK

Seattle/Tacoma Intl

Tue 8/25

12:55 am-8:10 pm

1 stop29h 15m

Jakarta Soekarno-Hatta Intl

Wed 9/23

9:30 pm-2:55 pm

1 stop31h 25m

$865

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Mon 4/27

12:55 am-9:30 pm

1 stop29h 35m

Singapore Changi

Mon 5/4

10:50 pm-2:55 pm

1 stop31h 05m

$901

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 State of Washington 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 State of Washington, 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 State of Washington, when ticket prices are also cheap, with an average price of $742.

What is the cheapest Washington to Southeast Asia flight route?

Fly from Seattle/Tacoma Intl to Singapore Changi for the best Washington - 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 State of Washington 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 State of Washington for as low as $733 on momondo.

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

There are 3 cabin classes available to choose from on Washington 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 State of Washington to Southeast Asia flights?

No. A direct flight is the cheapest option for a flight between State of Washington to Southeast Asia.

Cheap State of Washington to Southeast Asia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington 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 State of Washington to Southeast Asia takes 13h 30m

Direct flights go from State of Washington 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 State of Washington there are direct flights to Manila Ninoy Aquino Intl (MNL).

Search flight deals

Frequently asked questions about flying from Washington to Southeast Asia

When did momondo last update prices for flights from Washington to Southeast Asia?
Prices for flights from Washington to Southeast Asia are refreshed on a daily basis.
How many operators does momondo search for flights from Washington to Southeast Asia?
There are 17 operators available for flights from Washington to Southeast Asia as of April 2026.
How old do you have to be to fly from Washington 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 Washington to Southeast Asia.
What documentation or ID do you need to fly to Southeast Asia?
The required travel and health documents for your Southeast Asia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Southeast Asia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from State of Washington to Southeast Asia?
momondo data reveals that the most frequently booked plane model on the route from State of Washington to Southeast Asia is Boeing 737-800 Passenger/BBJ2 (winglets), representing 16.89% of all bookings. The subsequent popular models are Airbus A321neo at 12.96%, Boeing 737 MAX 8 at 8.23%, and Boeing 737-900 at 7.85%.

Best airlines flying from State of Washington to Southeast Asia

Compare and see reviews for airlines that fly from State of Washington 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 9,603 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 Washington to Southeast Asia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington to Southeast Asia. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Southeast Asia from Washington on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Washington to Southeast Asia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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