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$436+ Cheap flights from Chiang Mai (CNX) 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SEA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Chiang Mai to Washington

Keep the following information in mind while searching for Chiang Mai to Washington flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$661
(Asiana Airlines)

One-way from

$436
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$944
Provider with most accurate pricing for Chiang Mai-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Chiang Mai-Seattle/Tacoma Intl flights.
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From Chiang Mai to Washington
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One-way flight from Chiang Mai to Washington
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Highest demand for flights based on searches. 13% potential increase in price ($155 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Chiang Mai to Washington

Cheapest flights from Chiang Mai to Washington
Explore the most affordable flight options available from Chiang Mai to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Asiana Airlines deal was found by Cheapflights users on 2/20. 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.
Mon 3/1712:25 amCNX - SEA
1 stop25h 30mAsiana Airlines
Tue 4/222:15 pmSEA - CNX
1 stop19h 25mAsiana Airlines
Deal found 2/20$661
This EaseMyTrip deal was found by Cheapflights users on 2/20. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1712:25 amCNX - SEA
2 stops52h 28mMultiple Airlines
Tue 4/222:15 pmSEA - CNX
1 stop19h 25mMultiple Airlines
Deal found 2/20$741
This EVA Air deal was found by Cheapflights users on 2/20. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1811:50 amCNX - SEA
1 stop21h 20mEVA Air
Mon 4/211:30 amSEA - CNX
1 stop18h 55mEVA Air
Deal found 2/20$849
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/133:20 pmCNX - SEA
1 stop37h 20mDelta
Wed 4/2312:50 pmSEA - CNX
1 stop19h 05mDelta
Deal found 2/20$870
This Expedia deal was found by Cheapflights users on 2/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/53:20 pmCNX - SEA
1 stop32h 40mKorean Air
Thu 3/611:00 amSEA - CNX
1 stop21h 05mKorean Air
Deal found 2/20$871
This Vakatrip deal was found by Cheapflights users on 2/19. 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 Vakatrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/135:15 pmCNX - SEA
1 stop36h 50mSTARLUX Airlines
Tue 4/221:15 amSEA - CNX
1 stop25h 05mSTARLUX Airlines
Deal found 2/19$882
This Gurufare deal was found by Cheapflights users on 2/19. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2610:10 amCNX - SEA
3 stops48h 23mCathay Pacific
Tue 7/2211:40 amSEA - CNX
3 stops41h 30mCathay Pacific
Deal found 2/19$2,345

Find flights from Chiang Mai to Washington within your budget

Customize your flight search to find flights from Chiang Mai to Washington 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 February 20, 2025.

Fly from

Chiang Mai

Fly to

Washington

Route

Depart

Return

Price

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Mon 3/17

12:25 am-11:55 am

1 stop25h 30m

Seattle/Tacoma Intl

Tue 4/22

2:15 pm-11:40 pm

1 stop19h 25m

$661

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Mon 3/17

12:25 am-2:53 pm

2 stops52h 28m

Seattle/Tacoma Intl

Tue 4/22

2:15 pm-11:40 pm

1 stop19h 25m

$741

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 3/13

11:50 am-7:10 pm

1 stop21h 20m

Seattle/Tacoma Intl

Tue 4/22

1:30 am-10:25 am

1 stop18h 55m

$849

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 3/13

3:20 pm-2:40 pm

1 stop37h 20m

Seattle/Tacoma Intl

Wed 4/23

12:50 pm-9:55 pm

1 stop19h 05m

$870

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 3/5

3:20 pm-9:00 am

1 stop32h 40m

Seattle/Tacoma Intl

Thu 3/6

11:00 am-11:05 pm

1 stop21h 05m

$871

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Mon 3/17

10:50 pm-9:06 am

3 stops48h 16m

$436

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Wed 3/12

3:20 pm-6:46 pm

2 stops41h 26m

$553

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sat 7/12

12:45 am-12:45 pm

1 stop26h 00m

$621

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sun 7/13

11:20 am-7:45 pm

1 stop22h 25m

$704

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sun 7/13

1:20 pm-7:45 pm

2 stops20h 25m

$708

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 14 results
1
2

Best time to book a flight from Chiang Mai to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Chiang Mai 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.

Travel insights for flights from Chiang Mai to Washington

Get recent, data-driven insights about flights from Chiang Mai to Washington including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Chiang Mai to State of Washington (average of $238). Flying from Chiang Mai to State of Washington in July is currently the most expensive (average of $411). 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.

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

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.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated February 20, 2025.
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Entertainment

9.1

Food

9.0

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

STARLUX Airlines
9.1
Wonderful
140 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Entertainment

9.1

Food

9.0

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

EVA Air
8.4
Very good
1,200 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Entertainment

9.1

Food

9.0

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Korean Air
8.4
Very good
1,037 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Entertainment

9.1

Food

9.0

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Asiana Airlines
8.3
Very good
446 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Entertainment

9.1

Food

9.0

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

China Airlines
8.2
Very good
727 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Entertainment

9.1

Food

9.0

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Related info for your journey

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

  • What airport do you fly from for flights from Chiang Mai to Washington?

    If you book a flight to Washington from Chiang Mai, you will be flying from Chiang Mai, which is the city’s only airport. Chiang Mai (CNX) is located 1.9 mi from the center of Chiang Mai.

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

    One-way options have recently been found by users for as low as $553 on Delta. Other airlines that offer cheap prices include Asiana Airlines from $621 and China Airlines from $704 one-way.

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

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

  • How can I find direct flights from Chiang Mai to Washington?

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Chiang Mai to State of Washington (average of $238). Flying from Chiang Mai to State of Washington in July is currently the most expensive (average of $411). 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

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Alternative routes for Chiang Mai to Washington

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Top 3 airlines flying from Chiang Mai to Washington

Discover the top 3 airlines that operate flights from Chiang Mai to Washington. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest$622Average$783FlexibilityNo cancel feeOn-time76%
EVA AirCheapest$788Average$1,101FlexibilityNo cancel feeOn-time74%
Korean AirCheapest$802Average$1,044FlexibilityNo cancel feeOn-time81%
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