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$558+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SEA
Jun 22 — Jun 291
Sun 6/22
Sun 6/29
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 June 17, 2025.

Round-trip from

$807
(oojo)

One-way from

$558
(Delta)

Popular in

August

Cheapest in

November

Average price

$942
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. 28% potential increase in price ($415 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($96 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 17, 2025.

This oojo deal was found by Cheapflights users on 6/15. 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.
Tue 11/114:55 pmCNX - SEA
1 stop37h 10mSTARLUX Airlines
Thu 12/1111:45 pmSEA - CNX
1 stop25h 10mSTARLUX Airlines
Deal found 6/15$807
This oojo deal was found by Cheapflights users on 6/17. 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.
Thu 12/1812:15 amCNX - SEA
1 stop23h 45mKorean Air
Tue 1/2011:00 amSEA - CNX
1 stop21h 05mKorean Air
Deal found 6/17$818
This FlightHub deal was found by Cheapflights users on 6/16. 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.
Fri 12/1911:50 amCNX - SEA
1 stop21h 20mEVA Air
Mon 1/1912:10 amSEA - CNX
1 stop19h 25mEVA Air
Deal found 6/16$848
This Trip.com deal was found by Cheapflights users on 6/17. 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.
Sat 12/2011:25 amCNX - SEA
1 stop21h 50mChina Airlines
Thu 1/112:10 amSEA - CNX
1 stop19h 15mChina Airlines
Deal found 6/17$860
This FlightHub deal was found by Cheapflights users on 6/15. 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 11/1010:10 amCNX - SEA
2 stops19h 55mMultiple Airlines
Thu 12/1111:45 pmSEA - CNX
1 stop25h 10mMultiple Airlines
Deal found 6/15$894
This Delta deal was found by Cheapflights users on 6/17. 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 12/1812:15 amCNX - SEA
1 stop23h 45mDelta
Tue 1/206:15 amSEA - CNX
2 stops25h 50mDelta
Deal found 6/17$952
This Qatar Airways deal was found by Cheapflights users on 6/15. 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.
Mon 11/107:45 pmCNX - SEA
2 stops31h 00mQatar Airways
Sat 12/133:40 pmSEA - CNX
2 stops28h 40mQatar Airways
Deal found 6/15$1,457
This Lufthansa deal was found by Cheapflights users on 6/15. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/812:10 pmCNX - SEA
2 stops40h 10mLufthansa
Wed 12/103:10 pmSEA - CNX
2 stops36h 45mLufthansa
Deal found 6/15$1,749
This Singapore Airlines deal was found by Cheapflights users on 6/15. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1412:00 pmCNX - SEA
1 stop34h 10mSingapore Airlines
Thu 12/118:45 amSEA - CNX
1 stop41h 05mSingapore Airlines
Deal found 6/15$1,890
This Air China deal was found by Cheapflights users on 6/15. 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 China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/811:05 pmCNX - SEA
2 stops32h 05mAir China
Mon 12/812:36 pmSEA - CNX
2 stops42h 14mAir China
Deal found 6/15$2,371

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 June 17, 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 11/11

4:55 pm-3:05 pm

1 stop37h 10m

Seattle/Tacoma Intl

Thu 12/11

11:45 pm-3:55 pm

1 stop25h 10m

$807

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 11/11

11:25 am-6:15 pm

1 stop21h 50m

Seattle/Tacoma Intl

Mon 12/8

12:10 am-10:25 am

1 stop19h 15m

$888

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Mon 11/10

10:10 am-3:05 pm

2 stops19h 55m

Seattle/Tacoma Intl

Thu 12/11

11:45 pm-3:55 pm

1 stop25h 10m

$894

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 11/12

11:50 am-6:10 pm

1 stop21h 20m

Seattle/Tacoma Intl

Wed 12/10

12:10 am-10:35 am

1 stop19h 25m

$953

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 11/11

12:15 am-1:20 pm

1 stop28h 05m

Seattle/Tacoma Intl

Sun 12/14

5:10 pm-11:05 pm

2 stops38h 55m

$1,043

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Mon 11/10

12:15 am-9:00 am

1 stop23h 45m

Seattle/Tacoma Intl

Wed 12/10

11:00 am-11:05 pm

1 stop21h 05m

$1,102

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 7/29

12:45 am-12:45 pm

1 stop26h 00m

Seattle/Tacoma Intl

Wed 8/6

2:30 pm-11:40 pm

1 stop19h 10m

$1,302

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Mon 11/10

7:45 pm-11:45 am

2 stops31h 00m

Seattle/Tacoma Intl

Sat 12/13

3:40 pm-11:20 am

2 stops28h 40m

$1,457

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sat 11/8

12:10 pm-1:20 pm

2 stops40h 10m

Seattle/Tacoma Intl

Wed 12/10

3:10 pm-6:55 pm

2 stops36h 45m

$1,749

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Fri 11/14

12:00 pm-7:10 am

1 stop34h 10m

Seattle/Tacoma Intl

Thu 12/11

8:45 am-4:50 pm

1 stop41h 05m

$1,890

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Showing 1-10 of 17 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 June is currently the most expensive (average of $390). 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 June 17, 2025.
STARLUX Airlines
9.1
Wonderful
180 reviews

Entertainment

9.0

Boarding

9.0

Comfort

9.0

Overall

9.1

Crew

9.3

Food

8.9

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
9.1
Wonderful
180 reviews
STARLUX Airlines
9.1
Wonderful
180 reviews

Entertainment

9.0

Boarding

9.0

Comfort

9.0

Overall

9.1

Crew

9.3

Food

8.9

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
1,204 reviews
STARLUX Airlines
9.1
Wonderful
180 reviews

Entertainment

9.0

Boarding

9.0

Comfort

9.0

Overall

9.1

Crew

9.3

Food

8.9

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
1,090 reviews
STARLUX Airlines
9.1
Wonderful
180 reviews

Entertainment

9.0

Boarding

9.0

Comfort

9.0

Overall

9.1

Crew

9.3

Food

8.9

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.
China Airlines
8.3
Very good
742 reviews
STARLUX Airlines
9.1
Wonderful
180 reviews

Entertainment

9.0

Boarding

9.0

Comfort

9.0

Overall

9.1

Crew

9.3

Food

8.9

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.
Asiana Airlines
8.2
Very good
441 reviews
STARLUX Airlines
9.1
Wonderful
180 reviews

Entertainment

9.0

Boarding

9.0

Comfort

9.0

Overall

9.1

Crew

9.3

Food

8.9

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

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 $558 on Delta. Other airlines that offer cheap prices include Korean Air from $721 and Air Canada from $722 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 June is currently the most expensive (average of $390). 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

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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 June 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest$622Average$721FlexibilityNo cancel feeOn-time76%
EVA AirCheapest$788Average$974FlexibilityNo cancel feeOn-time74%
Korean AirCheapest$793Average$829FlexibilityNo cancel feeOn-time81%

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