What are the cheapest airlines to fly from Southeast Asia to State of Washington one-way?

One-way options have recently been found by users for as low as $364 on Singapore Airlines. Other airlines that offer cheap prices include United Airlines from $379 and Air Canada from $390 one-way.

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

How far in advance should I book a flight from Southeast Asia to State of Washington?

Users have found that booking a flight from Southeast Asia to State of Washington at least 39 days early can save you up to 10% on average compared to booking a flight this week. If booking 39 days before your flight isn’t an option for you, users have found flights from Southeast Asia to State of Washington for as little as $800 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $934 for flights departing within the next 3 days.

What is the cheapest month to fly from Southeast Asia to State of Washington?

Our data shows that October tends to be the cheapest month to fly to State of Washington from Southeast Asia. Users have commonly found prices around $836 for the month, but tickets can be as low as $644. Due to multiple factors, prepare for potentially higher prices in August.

Can I find deals for flights from Southeast Asia to Washington that include hotel bookings?

Yes. In addition to deals on Southeast Asia to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Southeast Asia to Washington?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southeast Asia to Washington.

Can I find deals for business class flights from Southeast Asia to Washington?

Yes. Cheapflights offers flight deals from Southeast Asia to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$364+ Flights from Southeast Asia to Washington

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Cheap flight deals from Southeast Asia to Washington

Round-trip from	$604 (FlightHub)
One-way from	$364 (Bravofly)

From Southeast Asia to Washington

Search Deals

One-way flight from Southeast Asia to Washington

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Find flight deals from Southeast Asia to Washington

Cheapest flights from Southeast Asia to Washington
Explore the most affordable flight options available from Southeast Asia to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2025.

Mon 9/82:35 amBKK - SEA

1 stop23h 55mMultiple Airlines

Fri 9/262:15 pmSEA - BKK

1 stop20h 50mMultiple Airlines

Deal found 7/31

$604

Tue 9/96:40 pmBKK - SEA

1 stop38h 35mPhilippine Airlines

Fri 9/2611:35 pmSEA - BKK

1 stop22h 40mPhilippine Airlines

Deal found 7/31

$630

Thu 9/259:10 amSIN - SEA

1 stop20h 06mAir Canada

Thu 10/92:55 pmSEA - SIN

1 stop25h 10mAir Canada

Deal found 7/31

$638

Wed 8/138:45 amSIN - SEA

1 stop31h 14mUnited Airlines

Thu 8/213:19 pmSEA - SIN

1 stop23h 56mUnited Airlines

Deal found 8/1

$644

Thu 11/64:15 pmSGN - SEA

1 stop29h 55mSingapore Airlines

Fri 11/288:45 amSEA - SGN

1 stop35h 15mSingapore Airlines

Deal found 8/2

$675

Sun 9/73:35 pmSGN - SEA

1 stop17h 40mPhilippine Airlines

Sun 9/2111:35 pmSEA - SGN

1 stop19h 00mPhilippine Airlines

Deal found 7/31

$685

Tue 9/92:00 pmSIN - SEA

1 stop17h 10mSTARLUX Airlines

Tue 9/231:15 amSEA - SIN

1 stop20h 25mSTARLUX Airlines

Deal found 8/2

$693

Thu 10/161:10 pmBKK - SEA

1 stop17h 00mSTARLUX Airlines

Sat 11/811:45 pmSEA - BKK

1 stop21h 50mSTARLUX Airlines

Deal found 7/31

$700

Sun 8/2411:55 pmMNL - SEA

1 stop27h 50mAsiana Airlines

Mon 12/112:10 amSEA - MNL

1 stop18h 25mAsiana Airlines

Deal found 8/1

$701

Mon 9/151:10 amMNL - SEA

1 stop24h 30mKorean Air

Tue 9/2312:50 pmSEA - MNL

1 stop22h 05mKorean Air

Deal found 8/2

$702

Sat 12/203:15 amMNL - SEA

1 stop30h 55mChina Airlines

Sat 1/312:10 amSEA - MNL

1 stop34h 00mChina Airlines

Deal found 8/1

$703

Mon 9/17:35 pmMNL - SEA

2 stops52h 46mAir Canada

Sun 9/1410:00 amSEA - MNL

2 stops41h 35mAir Canada

Deal found 8/1

$705

Best flights from Southeast Asia to Washington
Discover carefully curated flight deals from Southeast Asia to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 2, 2025.

Mon 9/82:35 amBKK - SEA

1 stop23h 55mMultiple Airlines

Fri 9/262:15 pmSEA - BKK

1 stop20h 50mMultiple Airlines

Deal found 7/31

$604

Tue 9/96:40 pmBKK - SEA

1 stop38h 35mPhilippine Airlines

Fri 9/2611:35 pmSEA - BKK

1 stop22h 40mPhilippine Airlines

Deal found 7/31

$630

Thu 9/259:10 amSIN - SEA

1 stop20h 06mAir Canada

Thu 10/92:55 pmSEA - SIN

1 stop25h 10mAir Canada

Deal found 7/31

$638

Wed 8/138:45 amSIN - SEA

1 stop31h 14mUnited Airlines

Thu 8/213:19 pmSEA - SIN

1 stop23h 56mUnited Airlines

Deal found 8/1

$644

Thu 11/64:15 pmSGN - SEA

1 stop29h 55mSingapore Airlines

Fri 11/288:45 amSEA - SGN

1 stop35h 15mSingapore Airlines

Deal found 8/2

$675

Tue 9/92:00 pmSIN - SEA

1 stop17h 10mSTARLUX Airlines

Tue 9/231:15 amSEA - SIN

1 stop20h 25mSTARLUX Airlines

Deal found 8/2

$693

Sun 8/2411:55 pmMNL - SEA

1 stop27h 50mAsiana Airlines

Mon 12/112:10 amSEA - MNL

1 stop18h 25mAsiana Airlines

Deal found 8/1

$701

Mon 9/151:10 amMNL - SEA

1 stop24h 30mKorean Air

Tue 9/2312:50 pmSEA - MNL

1 stop22h 05mKorean Air

Deal found 8/2

$702

Sat 12/203:15 amMNL - SEA

1 stop30h 55mChina Airlines

Sat 1/312:10 amSEA - MNL

1 stop34h 00mChina Airlines

Deal found 8/1

$703

Sun 12/142:50 pmMNL - SEA

2 stops20h 26mANA

Sat 1/103:45 pmSEA - MNL

1 stop29h 50mANA

Deal found 8/1

$710

Sun 9/76:50 pmMNL - SEA

1 stop15h 40mEVA Air

Sat 9/1312:30 amSEA - MNL

1 stop20h 10mEVA Air

Deal found 7/31

$716

Tue 9/210:05 amMNL - SEA

1 stop15h 20mJapan Airlines

Tue 9/168:08 amSEA - MNL

2 stops30h 27mJapan Airlines

Deal found 8/1

$725

Last-minute flights from Southeast Asia to Washington
Discover last-minute flight deals from Southeast Asia to Washington. Data last updated August 2, 2025 and is based on user searches.

Thu 8/76:40 pmBKK - SEA

1 stop38h 35mPhilippine Airlines

Sun 8/1011:35 pmSEA - BKK

1 stop32h 50mPhilippine Airlines

Deal found 7/31

$886

Fri 8/84:50 pmMNL - SEA

2 stops29h 20mChina Airlines

Thu 9/111:40 amSEA - MNL

1 stop16h 55mChina Airlines

Deal found 7/31

$983

Fri 8/87:00 amCGK - SEA

1 stop21h 25mANA

Mon 8/184:30 pmSEA - CGK

1 stop22h 35mANA

Deal found 7/31

$1,007

Fri 8/86:10 amCGK - SEA

2 stops45h 36mUnited Airlines

Mon 8/184:30 pmSEA - CGK

1 stop22h 35mUnited Airlines

Deal found 7/31

$1,063

Sat 8/91:15 amPNH - SEA

1 stop32h 00mPhilippine Airlines

Sun 8/3111:35 pmSEA - PNH

1 stop34h 40mPhilippine Airlines

Deal found 8/2

$839

Sat 8/911:20 pmBKK - SEA

1 stop33h 55mMultiple Airlines

Sat 8/302:30 pmSEA - BKK

1 stop30h 25mMultiple Airlines

Deal found 8/1

$931

Sun 8/109:10 amSIN - SEA

1 stop20h 06mAir Canada

Tue 8/191:45 pmSEA - SIN

1 stop26h 20mAir Canada

Deal found 8/2

$1,007

Sun 8/1012:15 pmCGK - SEA

1 stop18h 20mSTARLUX Airlines

Sun 8/311:15 amSEA - CGK

1 stop20h 00mSTARLUX Airlines

Deal found 8/2

$1,034

Tue 8/126:15 amSIN - SEA

2 stops31h 44mUnited Airlines

Fri 8/221:05 pmSEA - SIN

1 stop38h 20mUnited Airlines

Deal found 8/1

$903

Tue 8/121:50 amSGN - PDX

2 stops45h 55mEVA Air

Sat 8/165:55 pmPDX - SGN

2 stops26h 00mEVA Air

Deal found 8/1

$1,041

Tue 8/125:45 amMNL - SEA

2 stops25h 01mMultiple Airlines

Sat 8/237:34 pmSEA - MNL

1 stop19h 21mMultiple Airlines

Deal found 8/1

$1,070

Tue 8/122:35 amBKK - SEA

1 stop25h 26mDelta

Wed 8/2712:55 pmSEA - BKK

1 stop18h 50mDelta

Deal found 7/31

$1,071

One-way flights from Southeast Asia to Washington
Search for one-way flight options from Southeast Asia to Washington. Find affordable one-way fares based on user searches. Data last updated August 2, 2025.

Tue 10/145:25 amCGK - SEA

1 stop17h 20mSingapore Airlines

Deal found 8/1

$364

Wed 10/17:00 amCGK - SEA

2 stops45h 24mUnited Airlines

Deal found 7/31

$379

Thu 10/99:10 amSIN - SEA

1 stop28h 06mAir Canada

Deal found 8/2

$390

Thu 10/239:00 amSIN - SEA

Nonstop14h 45mSingapore Airlines

Deal found 7/31

$407

Wed 10/157:40 pmSGN - SEA

1 stop27h 05mSingapore Airlines

Deal found 7/31

$409

Fri 10/241:30 pmBKK - SEA

1 stop19h 45mPhilippine Airlines

Deal found 8/1

$423

Thu 11/279:40 amSGN - SEA

1 stop23h 55mPhilippine Airlines

Deal found 7/31

$423

Tue 9/25:50 pmBKK - SEA

1 stop36h 20mSTARLUX Airlines

Deal found 7/31

$428

Sat 10/119:10 amSIN - SEA

2 stops24h 35mMultiple Airlines

Deal found 8/2

$432

Thu 11/208:30 pmKUL - SEA

1 stop26h 40mSingapore Airlines

Deal found 8/2

$438

Sun 8/3111:55 pmMNL - SEA

1 stop27h 35mAsiana Airlines

Deal found 8/1

$448

Mon 9/81:10 amMNL - SEA

1 stop24h 30mKorean Air

Deal found 7/31

$449

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 9/8

2:35 am-12:30 pm

1 stop23h 55m

Seattle/Tacoma Intl

Fri 9/26

2:15 pm-1:05 am

1 stop20h 50m

$604

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 9/9

6:40 pm-7:15 pm

1 stop38h 35m

Seattle/Tacoma Intl

Fri 9/26

11:35 pm-12:15 pm

1 stop22h 40m

$630

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 9/25

9:10 am-2:16 pm

1 stop20h 06m

Seattle/Tacoma Intl

Thu 10/9

2:55 pm-7:05 am

1 stop25h 10m

$638

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 8/13

8:45 am-12:59 am

1 stop31h 14m

Seattle/Tacoma Intl

Thu 8/21

3:19 pm-6:15 am

1 stop23h 56m

$644

Ho Chi Minh CitySeattle

SGN - SEA

SGNSEA

Ho Chi Minh City

Thu 11/6

4:15 pm-7:10 am

1 stop29h 55m

Seattle/Tacoma Intl

Fri 11/28

8:45 am-11:00 am

1 stop35h 15m

$675

Ho Chi Minh CitySeattle

SGN - SEA

SGNSEA

Ho Chi Minh City

Sun 9/7

3:35 pm-7:15 pm

1 stop17h 40m

Seattle/Tacoma Intl

Sun 9/21

11:35 pm-8:35 am

1 stop19h 00m

$685

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 9/9

2:00 pm-4:10 pm

1 stop17h 10m

Seattle/Tacoma Intl

Tue 9/23

1:15 am-12:40 pm

1 stop20h 25m

$693

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Thu 10/16

1:10 pm-4:10 pm

1 stop17h 00m

Seattle/Tacoma Intl

Sat 11/8

11:45 pm-12:35 pm

1 stop21h 50m

$700

ManilaSeattle

MNL - SEA

MNLSEA

Manila Ninoy Aquino Intl

Sun 8/24

11:55 pm-12:45 pm

1 stop27h 50m

Seattle/Tacoma Intl

Mon 12/1

12:10 am-10:35 am

1 stop18h 25m

$701

ManilaSeattle

MNL - SEA

MNLSEA

Manila Ninoy Aquino Intl

Mon 9/15

1:10 am-10:40 am

1 stop24h 30m

Seattle/Tacoma Intl

Tue 9/23

12:50 pm-1:55 am

1 stop22h 05m

$702

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

Showing 1-10 of 60 results

...

Best time to book a flight from Southeast Asia to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Southeast Asia with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Southeast Asia to Washington

What is the cheapest month to book a flight from Southeast Asia to State of Washington?

Currently, January is the cheapest month in which you can book a flight from Southeast Asia to State of Washington (average of $238). Flying from Southeast Asia to State of Washington in June is currently the most expensive (average of $389). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YJX to WA?

When flying from Southeast Asia to State of Washington, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Washington

Read through reviews of airlines operating flights from Southeast Asia to Washington, such as STARLUX Airlines, EVA Air, and Korean Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

STARLUX Airlines

9.0

Wonderful

199 reviews

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

STARLUX Airlines

9.0

Wonderful

199 reviews

STARLUX Airlines

9.0

Wonderful

199 reviews

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

EVA Air

8.4

Very good

1,222 reviews

STARLUX Airlines

9.0

Wonderful

199 reviews

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Korean Air

8.4

Very good

1,122 reviews

STARLUX Airlines

9.0

Wonderful

199 reviews

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

ANA

8.4

Very good

922 reviews

STARLUX Airlines

9.0

Wonderful

199 reviews

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Japan Airlines

8.3

Very good

1,541 reviews

STARLUX Airlines

9.0

Wonderful

199 reviews

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Related info for your journey

What are the cheapest airlines to fly from Southeast Asia to State of Washington one-way?
One-way options have recently been found by users for as low as $364 on Singapore Airlines. Other airlines that offer cheap prices include United Airlines from $379 and Air Canada from $390 one-way.
Can I find deals for flights from Southeast Asia to Washington that include hotel bookings?
Yes. In addition to deals on Southeast Asia to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Southeast Asia to Washington?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southeast Asia to Washington.
Can I find deals for business class flights from Southeast Asia to Washington?
Yes. Cheapflights offers flight deals from Southeast Asia to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Southeast Asia to State of Washington?
Currently, January is the cheapest month in which you can book a flight from Southeast Asia to State of Washington (average of $238). Flying from Southeast Asia to State of Washington in June is currently the most expensive (average of $389). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Southeast Asia to Washington

Airline	Cheapest	Average	Flexibility	On-time
Philippine Airlines	Cheapest$551	Average$768	FlexibilityNo cancel fee	On-time60%
Asiana Airlines	Cheapest$622	Average$827	FlexibilityNo cancel fee	On-time76%
Korean Air	Cheapest$660	Average$873	FlexibilityNo cancel fee	On-time81%
China Airlines	Cheapest$684	Average$884	FlexibilityNo cancel fee	On-time70%
ANA	Cheapest$698	Average$980	FlexibilityNo cancel fee	On-time80%
EVA Air	Cheapest$712	Average$960	FlexibilityNo cancel fee	On-time74%
STARLUX Airlines	Cheapest$739	Average$887	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$762	Average$915	FlexibilityNo cancel fee	On-time69%
Singapore Airlines	Cheapest$763	Average$1,299	FlexibilityNo cancel fee	On-time81%
Delta	Cheapest$829	Average$1,026	FlexibilityNo cancel fee	On-timeN/A

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$364+ Cheap flights from Southeast Asia to Washington

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Southeast Asia to Washington with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Southeast Asia to Washington

Keep the following information in mind while searching for Southeast Asia to Washington flight deals. Data was last updated August 2, 2025.

Round-trip from

One-way from

Find flight deals from Southeast Asia to Washington

Cheapest flights from Southeast Asia to WashingtonExplore the most affordable flight options available from Southeast Asia to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2025.

Explore the most affordable flight options available from Southeast Asia to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Southeast Asia to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Southeast Asia with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Southeast Asia to Washington

What is the cheapest month to book a flight from Southeast Asia to State of Washington?

What is the cheapest time of day to fly from YJX to WA?

Find hourly flight availability from Southeast Asia to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 2, 2025.

Reviews of airlines servicing Washington

Read through reviews of airlines operating flights from Southeast Asia to Washington, such as STARLUX Airlines, EVA Air, and Korean Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Southeast Asia to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from Southeast Asia to State of Washington one-way?

Can I find deals for flights from Southeast Asia to Washington that include hotel bookings?

How can I find direct flights from Southeast Asia to Washington?

Can I find deals for business class flights from Southeast Asia to Washington?

What is the cheapest month to book a flight from Southeast Asia to State of Washington?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Southeast Asia to Washington

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Southeast Asia to Washington

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Book with Flexibility

Travel Smart

Cheapest flights from Southeast Asia to Washington
Explore the most affordable flight options available from Southeast Asia to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2025.