HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Asia

$226+ Cheap flights from Washington to Asia

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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BKK
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington to Asia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Washington to Asia

Cheapest flights from Washington to Asia
Explore the most affordable flight options available from Washington to Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This oojo deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/812:10 am
SEA
-
HKG
1 stop31h 30m
Asiana Airlines
Sat 3/211:10 pm
HKG
-
SEA
1 stop16h 45m
Asiana Airlines
Deal found 1/27$585
This SmartFares deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/113:50 pm
SEA
-
HKG
2 stops34h 00m
Korean Air
Tue 3/1712:55 am
HKG
-
SEA
1 stop24h 05m
Korean Air
Deal found 1/25$586
This FlightHub deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1212:55 am
SEA
-
HKG
1 stop31h 35m
Asiana Airlines
Tue 4/211:00 pm
HKG
-
SEA
1 stop16h 55m
Asiana Airlines
Deal found 1/26$589
This Kiwi.com deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/612:10 am
SEA
-
HKG
1 stop19h 50m
Asiana Airlines
Sat 3/141:10 pm
HKG
-
SEA
1 stop16h 45m
Asiana Airlines
Deal found 1/24$590
This FlightHub deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1312:55 am
SEA
-
HKG
1 stop31h 35m
Asiana Airlines
Sun 5/101:40 am
HKG
-
SEA
1 stop28h 15m
Asiana Airlines
Deal found 1/25$591
This Air Canada deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/99:55 am
SEA
-
HKG
1 stop16h 45m
Air Canada
Thu 2/128:25 pm
HKG
-
SEA
1 stop28h 50m
Air Canada
Deal found 1/26$592
This Air Canada deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/278:00 pm
SEA
-
HKG
1 stop30h 40m
Air Canada
Thu 2/128:25 pm
HKG
-
SEA
1 stop18h 32m
Air Canada
Deal found 1/26$593
This FlightHub deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:55 am
SEA
-
HKG
1 stop19h 45m
Asiana Airlines
Thu 8/271:00 pm
HKG
-
SEA
1 stop17h 25m
Asiana Airlines
Deal found 1/27$595
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/812:36 pm
SEA
-
HKG
1 stop26h 09m
United Airlines
Tue 3/1012:05 am
HKG
-
SEA
1 stop29h 15m
United Airlines
Deal found 1/26$596
This Korean Air deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:20 pm
SEA
-
HKG
1 stop18h 10m
Korean Air
Mon 8/245:55 pm
HKG
-
SEA
1 stop31h 55m
Korean Air
Deal found 1/27$598
This Asiana Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:55 am
SEA
-
HKG
1 stop31h 35m
Asiana Airlines
Sat 8/221:40 am
HKG
-
SEA
1 stop28h 45m
Asiana Airlines
Deal found 1/27$599
This Korean Air deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:20 pm
SEA
-
HKG
1 stop30h 35m
Korean Air
Mon 8/245:55 pm
HKG
-
SEA
1 stop31h 55m
Korean Air
Deal found 1/27$600

Find flight deals from Washington to Asia

Keep the following information in mind while searching for Washington to Asia flight deals. Data was last updated January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$585
(oojo)

One-way from

$226
(Air Canada)

Popular in

June

Cheapest in

February

Average price

$785

Good round-trip deal

$659 or less

Good one-way deal

$327 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Manila Ninoy Aquino Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Manila Ninoy Aquino Intl flights.
Search Deals
From Washington to Asia
Search Deals
One-way flight from Washington to Asia
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($182 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Washington to Asia.
Search Deals
Price to beat on a one-way flight from Washington to Asia.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Asia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
Use the filters below to find and compare flights from Washington to Asia that are best for you.

Fly from

Washington

Fly to

Asia

Route

Depart

Return

Price

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sun 3/8

12:36 pm-5:45 am

1 stop26h 09m

Hong Kong Intl

Tue 3/10

12:05 am-2:20 pm

1 stop29h 15m

$596

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sun 3/8

12:00 pm-11:20 am

1 stop32h 20m

Hong Kong Intl

Tue 3/10

12:55 am-2:39 pm

2 stops28h 44m

$608

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Mon 2/23

12:32 pm-5:45 am

1 stop25h 13m

Taipei City Taiwan Taoyuan Intl

Thu 3/5

3:50 pm-6:32 pm

1 stop18h 42m

$609

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Tue 2/24

5:00 am-7:50 pm

2 stops22h 50m

Taipei City Taiwan Taoyuan Intl

Tue 3/3

11:10 am-9:49 am

2 stops38h 39m

$614

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Wed 2/25

7:15 am-7:50 pm

1 stop20h 35m

Taipei City Taiwan Taoyuan Intl

Wed 3/4

11:10 am-4:21 pm

2 stops21h 11m

$614

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Sun 3/8

7:10 pm-6:50 pm

2 stops32h 40m

Taipei City Taiwan Taoyuan Intl

Thu 3/19

10:10 am-4:14 pm

1 stop21h 04m

$614

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Sun 2/15

5:20 pm-7:50 pm

1 stop34h 30m

Taipei City Taiwan Taoyuan Intl

Tue 2/24

3:50 pm-6:26 pm

1 stop18h 36m

$615

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Sun 5/3

4:30 pm-7:00 pm

Nonstop10h 30m

Tokyo Haneda

Sun 5/17

9:15 pm-2:25 pm

Nonstop9h 10m

$616

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Fri 4/17

1:00 pm-10:55 am

1 stop30h 55m

Hong Kong Intl

Sun 4/26

5:55 pm-1:07 pm

1 stop34h 12m

$624

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 3/10

12:35 pm-11:20 am

1 stop31h 45m

Hong Kong Intl

Tue 3/31

12:45 am-1:07 pm

1 stop27h 22m

$624

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Washington to Asia

Have a flexible travel schedule? Discover the best time to fly to Asia from Washington 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 Washington to Asia

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

Currently, April is the cheapest month in which you can book a flight from State of Washington to Asia (average of $335). Flying from State of Washington to Asia in December is currently the most expensive (average of $590). 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 WA to AS?

Find hourly flight availability from Washington to Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 27, 2026.

It’s optimal to fly from State of Washington to Asia in the morning. By choosing this option you can save up to 14% on the cost of your flight, compared to a flight in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Washington to Asia. Price data was last updated on September 28, 2025.

Travelers seeking maximum savings on their State of Washington to Asia flight should consider departing on Wednesday at noon when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

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

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

    A quick flight from State of Washington to Asia can take about 26h 09m. United Airlines provides one of the quickest options available for as low as $596. Airlines will cover a distance of 6484 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airlines for a one-way flight from State of Washington to Asia are Hawaiian Airlines ($160), Alaska Airlines ($168), and Air Canada ($219).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington to Asia 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 State of Washington to Asia?

    Currently, April is the cheapest month in which you can book a flight from State of Washington to Asia (average of $335). Flying from State of Washington to Asia in December is currently the most expensive (average of $590). 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

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

Alternative routes for Washington to Asia

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Fort Lauderdale flights
John F Kennedy Intl to Miami flights
Newark to Fort Lauderdale flights
Newark to Miami flights
LaGuardia to Miami flights
John F Kennedy Intl to Cancún flights
LaGuardia to Fort Lauderdale flights
Newark to Cancún flights
John F Kennedy Intl to Las Vegas flights
Newark to West Palm Beach flights
John F Kennedy Intl to Los Angeles flights
John F Kennedy Intl to Orlando flights
John F Kennedy Intl to West Palm Beach flights
Newark to Las Vegas flights
O'Hare Intl to Cancún flights
Minneapolis to Sky Harbor Intl flights
O'Hare Intl to Sky Harbor Intl flights
Los Angeles to John F Kennedy Intl flights
Newark to Orlando flights
O'Hare Intl to Las Vegas flights
John F Kennedy Intl to Luis Munoz Marin Intl flights
Seattle to Los Angeles flights
Dallas/Fort Worth to John F Kennedy Intl flights
John F Kennedy Intl to Tampa flights
LaGuardia to Orlando flights
Los Angeles to Haneda flights
Seattle to Las Vegas flights
John F Kennedy Intl to Mexico City flights
Dulles Intl to Miami flights
Los Angeles to Seattle flights
Newark to Tampa flights
LaGuardia to Tampa flights
John F Kennedy Intl to Heathrow flights
John F Kennedy Intl to San Francisco flights
San Francisco to John F Kennedy Intl flights
John F Kennedy Intl to Charles de Gaulle flights
Boston to San Francisco flights
Dallas/Fort Worth to Cancún flights
Newark to Mexico City flights
Detroit to Fort Lauderdale flights
O'Hare Intl to Dallas/Fort Worth flights
San Francisco to Las Vegas flights
John F Kennedy Intl to Haneda flights
Miami to John F Kennedy Intl flights
Minneapolis to Orlando flights
Los Angeles to Honolulu flights
John F Kennedy Intl to Sky Harbor Intl flights
Los Angeles to Narita flights
Boston to Fort Lauderdale flights
Seattle to Sky Harbor Intl flights

Top 10 airlines flying from Washington to Asia

Discover the top 10 airlines that operate flights from Washington to Asia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$282Average$870FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$440Average$1,044FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$450Average$1,026FlexibilityNo cancel feeOn-time67%
Singapore AirlinesCheapest$520Average$798FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$569Average$921FlexibilityNo cancel feeOn-time79%
Cathay PacificCheapest$622Average$896FlexibilityNo cancel feeOn-time72%
Vietnam AirlinesCheapest$654Average$799FlexibilityNo cancel feeOn-time81%
STARLUX AirlinesCheapest$669Average$940FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$677Average$1,063FlexibilityNo cancel feeOn-time77%
SWISSCheapest$706Average$906FlexibilityNo cancel feeOn-time79%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.