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Cheap flights from Chiang Mai to Seattle from ฿15,836

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 19/11. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SEA
15 Aug — 22 Aug1
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 16 July 2026.

Thu 29/1000:15
CNX
-
SEA
1 stop23h 45m
Korean Air
Sat 31/1012:00
SEA
-
CNX
1 stop20h 55m
Korean Air
Deal found 11/7฿26,069
Thu 1/1011:20
CNX
-
SEA
1 stop21h 55m
China Airlines
Sat 17/1001:15
SEA
-
CNX
1 stop19h 05m
China Airlines
Deal found 13/7฿26,740
Sun 19/717:20
CNX
-
SEA
1 stop37h 15m
STARLUX Airlines
Tue 15/901:15
SEA
-
CNX
1 stop24h 50m
STARLUX Airlines
Deal found 13/7฿28,283
Thu 16/711:35
CNX
-
SEA
1 stop22h 15m
EVA Air
Fri 11/901:30
SEA
-
CNX
1 stop18h 55m
EVA Air
Deal found 15/7฿28,585
Wed 30/911:35
CNX
-
SEA
1 stop22h 05m
EVA Air
Sun 18/1001:30
SEA
-
CNX
1 stop18h 55m
EVA Air
Deal found 13/7฿28,853
Wed 30/911:35
CNX
-
SEA
1 stop22h 05m
EVA Air
Mon 19/1001:30
SEA
-
CNX
1 stop18h 55m
EVA Air
Deal found 13/7฿29,122
Fri 28/811:35
CNX
-
SEA
1 stop22h 15m
EVA Air
Thu 3/901:30
SEA
-
CNX
1 stop18h 55m
EVA Air
Deal found 14/7฿29,323
Thu 1/1017:20
CNX
-
SEA
2 stops29h 48m
Multiple Airlines
Sun 18/1001:15
SEA
-
CNX
1 stop24h 50m
Multiple Airlines
Deal found 13/7฿29,759
Sun 4/1021:10
CNX
-
SEA
2 stops26h 42m
แอร์แคนาดา
Mon 19/1019:20
SEA
-
CNX
2 stops25h 55m
แอร์แคนาดา
Deal found 13/7฿30,732
Sun 4/1011:20
CNX
-
SEA
1 stop21h 55m
China Airlines
Sun 18/1001:15
SEA
-
CNX
1 stop19h 05m
China Airlines
Deal found 13/7฿30,833
Fri 24/717:20
CNX
-
SEA
1 stop37h 15m
STARLUX Airlines
Tue 15/901:15
SEA
-
CNX
1 stop24h 50m
STARLUX Airlines
Deal found 13/7฿30,934

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 16 July 2026.

Round-trip from

฿26,069

One-way from

฿15,836
Korean Air
  • Korean Air
  • 29/10-31/10
  • 2 total stops
  • 44h 40m total
  • Chiang Mai to Seattle
Search Deals
China Airlines
  • China Airlines
  • 19/11
  • 1 total stop
  • 21h 45m 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 16 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
Fastest return journey

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sun 4/10

11:20-19:15

1 stop21h 55m

Seattle/Tacoma Intl

Sun 18/10

01:15-10:20

1 stop19h 05m

฿30,833

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sun 4/10

11:20-19:15

1 stop21h 55m

Seattle/Tacoma Intl

Mon 19/10

01:15-10:20

1 stop19h 05m

฿30,833

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Fri 30/10

10:10-19:10

2 stops23h 00m

Seattle/Tacoma Intl

Thu 5/11

00:10-19:00

2 stops27h 50m

฿33,047

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Mon 21/9

11:55-19:40

2 stops21h 45m

Seattle/Tacoma Intl

Tue 22/9

01:30-19:10

2 stops27h 40m

฿34,255

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Mon 21/9

11:20-19:15

1 stop21h 55m

Seattle/Tacoma Intl

Tue 22/9

01:15-10:20

1 stop19h 05m

฿34,960

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Fri 2/10

19:25-10:05

1 stop28h 40m

Seattle/Tacoma Intl

Tue 20/10

11:45-09:45

1 stop32h 00m

฿37,174

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 5/8

11:35-19:50

1 stop22h 15m

Seattle/Tacoma Intl

Thu 3/9

01:30-10:25

1 stop18h 55m

฿37,543

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 11/8

13:40-19:50

2 stops20h 10m

Seattle/Tacoma Intl

Thu 17/9

00:30-13:45

2 stops23h 15m

฿38,046

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 6/8

11:20-19:45

1 stop22h 25m

Seattle/Tacoma Intl

Tue 29/9

01:15-13:45

2 stops22h 30m

฿38,248
Cheapest one-way
Fastest single journey

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 19/11

11:25-18:10

1 stop21h 45m

฿15,836

Flights are sorted by cheapest return flights first.

Deals found on 15/7

Showing 1-10 of 13 resultsSorted by cheapest first
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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 ฿30,833. 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

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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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