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$513+ 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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SEA
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$803
(Korean Air)

One-way from

$513
(Expedia)

Popular in

August

Cheapest in

November

Average price

$838
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. 14% potential increase in price ($162 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Korean Air deal was found by Cheapflights users on 4/30. 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.
Tue 6/1011:15 pmCNX - SEA
1 stop25h 35mKorean Air
Tue 8/121:20 pmSEA - CNX
1 stop18h 35mKorean Air
Deal found 4/30$803
This oojo deal was found by Cheapflights users on 4/30. 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 6/111:20 amCNX - SEA
1 stop22h 10mChina Airlines
Sun 6/291:10 amSEA - CNX
1 stop19h 10mChina Airlines
Deal found 4/30$826
This FlightHub deal was found by Cheapflights users on 4/30. 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 6/211:35 amCNX - SEA
1 stop21h 55mEVA Air
Mon 6/301:50 amSEA - CNX
1 stop18h 35mEVA Air
Deal found 4/30$827
This Trip.com deal was found by Cheapflights users on 4/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/149:20 amCNX - SEA
2 stops23h 55mMultiple Airlines
Wed 7/911:35 pmSEA - CNX
2 stops27h 15mMultiple Airlines
Deal found 4/30$834
This Delta deal was found by Cheapflights users on 4/30. 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.
Sun 6/111:15 pmCNX - SEA
1 stop28h 25mDelta
Sat 9/1312:45 pmSEA - CNX
1 stop19h 10mDelta
Deal found 4/30$850
This STARLUX Airlines deal was found by Cheapflights users on 4/30. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/315:20 pmCNX - SEA
1 stop36h 50mSTARLUX Airlines
Sun 6/291:15 amSEA - CNX
1 stop25h 05mSTARLUX Airlines
Deal found 4/30$893
This Asiana Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 6/412:45 amCNX - SEA
1 stop25h 45mAsiana Airlines
Wed 9/102:15 pmSEA - CNX
1 stop19h 25mAsiana Airlines
Deal found 4/30$915
This EVA Air deal was found by Cheapflights users on 4/30. 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.
Wed 5/711:35 amCNX - PDX
2 stops34h 56mMultiple Airlines
Mon 6/308:59 pmPDX - CNX
2 stops23h 26mMultiple Airlines
Deal found 4/30$1,017
This Qatar Airways deal was found by Cheapflights users on 4/30. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/68:00 pmCNX - PDX
3 stops36h 58mQatar Airways
Wed 8/271:24 pmPDX - CNX
3 stops34h 21mQatar Airways
Deal found 4/30$2,218
This Delta deal was found by Cheapflights users on 4/30. 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.
Wed 5/711:15 pmCNX - PDX
2 stops31h 44mDelta
Sun 6/2912:52 amPDX - CNX
2 stops31h 03mDelta
Deal found 4/30$2,241

Cheapflights Fare Finder

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 May 1, 2025.
Use the filters below to find and compare flights from Chiang Mai to Washington that are best for you.

Fly from

Chiang Mai

Fly to

Washington

Route

Depart

Return

Price

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 6/10

11:15 pm-10:50 am

1 stop25h 35m

Seattle/Tacoma Intl

Tue 8/12

1:20 pm-9:55 pm

1 stop18h 35m

$803

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sun 6/1

11:20 am-7:30 pm

1 stop22h 10m

Seattle/Tacoma Intl

Sun 6/29

1:10 am-10:20 am

1 stop19h 10m

$826

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Mon 6/2

11:35 am-7:30 pm

1 stop21h 55m

Seattle/Tacoma Intl

Mon 6/30

1:50 am-10:25 am

1 stop18h 35m

$827

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 5/14

9:20 am-7:15 pm

2 stops23h 55m

Seattle/Tacoma Intl

Wed 7/9

11:35 pm-4:50 pm

2 stops27h 15m

$834

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sun 6/1

11:15 pm-1:40 pm

1 stop28h 25m

Seattle/Tacoma Intl

Fri 9/12

12:45 pm-9:55 pm

1 stop19h 10m

$850

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sat 5/31

5:20 pm-4:10 pm

1 stop36h 50m

Seattle/Tacoma Intl

Sun 6/29

1:15 am-4:20 pm

1 stop25h 05m

$893

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 6/4

12:45 am-12:30 pm

1 stop25h 45m

Seattle/Tacoma Intl

Wed 9/10

2:15 pm-11:40 pm

1 stop19h 25m

$915

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Wed 8/6

11:20 am-9:23 am

2 stops36h 03m

Portland

Wed 8/27

10:30 am-10:20 am

2 stops33h 50m

$1,335

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Wed 8/6

8:00 pm-6:58 pm

3 stops36h 58m

Portland

Wed 8/27

1:24 pm-1:45 pm

3 stops34h 21m

$2,218

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 6/10

5:20 pm-4:10 pm

1 stop36h 50m

$513

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 20 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.

Cheapflights Insights

Everything you need to know about your flight from Chiang Mai to Washington

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 $405). 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 May 1, 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, EVA Air and Korean Air from Chiang Mai to Washington to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
162 reviews

Overall

9.1

Boarding

9.0

Comfort

9.0

Food

8.9

Entertainment

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
STARLUX Airlines
9.1
Wonderful
162 reviews
STARLUX Airlines
9.1
Wonderful
162 reviews

Overall

9.1

Boarding

9.0

Comfort

9.0

Food

8.9

Entertainment

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
EVA Air
8.4
Very good
1,186 reviews
STARLUX Airlines
9.1
Wonderful
162 reviews

Overall

9.1

Boarding

9.0

Comfort

9.0

Food

8.9

Entertainment

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Korean Air
8.4
Very good
1,069 reviews
STARLUX Airlines
9.1
Wonderful
162 reviews

Overall

9.1

Boarding

9.0

Comfort

9.0

Food

8.9

Entertainment

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
China Airlines
8.3
Very good
732 reviews
STARLUX Airlines
9.1
Wonderful
162 reviews

Overall

9.1

Boarding

9.0

Comfort

9.0

Food

8.9

Entertainment

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Asiana Airlines
8.2
Very good
442 reviews
STARLUX Airlines
9.1
Wonderful
162 reviews

Overall

9.1

Boarding

9.0

Comfort

9.0

Food

8.9

Entertainment

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

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 $513 on STARLUX Airlines. Other airlines that offer cheap prices include China Airlines from $536 and Delta from $563 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 $405). 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest$622Average$783FlexibilityNo cancel feeOn-time76%
EVA AirCheapest$788Average$1,089FlexibilityNo cancel feeOn-time74%
Korean AirCheapest$802Average$886FlexibilityNo cancel feeOn-time81%

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