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Cheap flights from Chiang Mai to Seattle from ฿15,734

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SEA
30 Aug — 6 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Chiang Mai to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Chiang Mai to Seattle
Explore the most affordable flight options available from Chiang Mai to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 July 2026.

Sat 10/1011:35
CNX
-
SEA
1 stop21h 05m
EVA Air
Mon 12/1001:30
SEA
-
CNX
1 stop18h 55m
EVA Air
Deal found 30/7฿28,856
Sat 10/1017:20
CNX
-
SEA
1 stop36h 50m
STARLUX Airlines
Tue 13/1013:55
SEA
-
CNX
2 stops36h 10m
STARLUX Airlines
Deal found 30/7฿29,258
Sun 13/911:20
CNX
-
SEA
1 stop22h 25m
Multiple Airlines
Sat 19/901:15
SEA
-
CNX
2 stops22h 30m
Multiple Airlines
Deal found 30/7฿30,430
Thu 24/911:20
CNX
-
SEA
1 stop21h 55m
China Airlines
Sat 26/901:15
SEA
-
CNX
1 stop19h 05m
China Airlines
Deal found 26/7฿30,731
Tue 29/917:20
CNX
-
SEA
1 stop36h 50m
STARLUX Airlines
Thu 1/1001:15
SEA
-
CNX
1 stop24h 50m
STARLUX Airlines
Deal found 29/7฿31,066
Sun 13/920:00
CNX
-
SEA
2 stops37h 40m
EVA Air
Sat 19/900:30
SEA
-
CNX
2 stops28h 40m
EVA Air
Deal found 30/7฿32,204

Find flight deals from Chiang Mai to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Chiang Mai (CNX) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 31 July 2026.

Round-trip from

฿28,856

One-way from

฿15,734
EVA Air
  • EVA Air
  • 10/10-12/10
  • 2 total stops
  • 40h 00m total
  • Chiang Mai to Seattle
Search Deals
China Airlines
  • China Airlines
  • 1/10
  • 1 total stop
  • 21h 55m total
  • Chiang Mai to Seattle
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Chiang Mai to Seattle 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 17,341 searches. Data last updated 31 July 2026.
Use the filters below to find and compare flights from Chiang Mai to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sun 13/9

11:20-19:45

1 stop22h 25m

Seattle/Tacoma Intl

Sat 19/9

01:15-13:45

2 stops22h 30m

฿30,430
Fastest return journey

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 24/9

11:20-19:15

1 stop21h 55m

Seattle/Tacoma Intl

Sat 26/9

01:15-10:20

1 stop19h 05m

฿30,898

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 29/9

17:20-16:10

1 stop36h 50m

Seattle/Tacoma Intl

Thu 1/10

01:15-16:05

1 stop24h 50m

฿31,099

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 11/8

11:35-19:50

1 stop22h 15m

Seattle/Tacoma Intl

Thu 17/9

01:30-10:25

1 stop18h 55m

฿32,405

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 29/9

11:55-19:00

2 stops21h 05m

Seattle/Tacoma Intl

Thu 1/10

01:30-09:20

2 stops41h 50m

฿34,313

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 11/8

23:00-18:32

2 stops33h 32m

Seattle/Tacoma Intl

Fri 18/9

05:50-22:00

2 stops26h 10m

฿38,899
Cheapest one-way
Fastest single journey

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 12/11

11:25-18:10

1 stop21h 45m

฿15,734

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 22/12

11:25-18:10

1 stop21h 45m

฿15,734

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 19/11

11:25-18:10

1 stop21h 45m

฿15,734

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 1/10

11:20-19:15

1 stop21h 55m

฿15,734

Flights are sorted by cheapest return flights first.

Deals found on 26/7

Sorted by cheapest first

Best time to book a flight from Chiang Mai to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Chiang Mai with our price prediction graph.
Estimated return 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.

Related info for your journey

Find useful and relevant information for your journey from Chiang Mai to Seattle. 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 Chiang Mai to Seattle?

    A quick flight from Chiang Mai to Seattle can take about 21h 55m. China Airlines provides one of the quickest options available for as low as ฿30,898. The distance from Chiang Mai to Seattle is about 11571 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

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

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

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

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

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Chiang Mai to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Chiang Mai to Portland flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Chiang Mai to Seattle?

Cheapflights helps you search for flights from Chiang Mai to Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Chiang Mai to Seattle?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Seattle from Chiang Mai.

Can Cheapflights find flights from Chiang Mai to Seattle with no change fees?

Yes! Cheapflights helps users easily find flights from Chiang Mai to Seattle with no change fees.

Can Cheapflights notify me if prices for flights from Chiang Mai to Seattle become cheaper?

Of course! You can now track prices for flights from Chiang Mai to Seattle and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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