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Cheap flights from Chiang Mai to Seattle from ฿15,660

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SEA
2 Aug — 9 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 3 July 2026.

Wed 8/711:35
CNX
-
SEA
1 stop22h 15m
EVA Air
Wed 9/901:30
SEA
-
CNX
1 stop18h 55m
EVA Air
Deal found 28/6฿30,156
Mon 6/711:35
CNX
-
SEA
1 stop22h 15m
EVA Air
Mon 24/802:10
SEA
-
CNX
1 stop18h 15m
EVA Air
Deal found 30/6฿30,222
Sat 18/717:20
CNX
-
SEA
1 stop37h 15m
STARLUX Airlines
Sun 13/901:15
SEA
-
CNX
1 stop25h 05m
STARLUX Airlines
Deal found 30/6฿31,486
Sat 4/711:35
CNX
-
SEA
1 stop21h 35m
Multiple Airlines
Thu 10/919:24
SEA
-
CNX
2 stops25h 01m
Multiple Airlines
Deal found 29/6฿32,051
Mon 6/711:35
CNX
-
SEA
1 stop22h 15m
Multiple Airlines
Tue 25/820:35
SEA
-
CNX
2 stops23h 50m
Multiple Airlines
Deal found 30/6฿32,117
Thu 16/710:10
CNX
-
SEA
2 stops23h 40m
EVA Air
Sat 12/901:30
SEA
-
CNX
1 stop18h 55m
EVA Air
Deal found 30/6฿32,151
Wed 1/721:00
CNX
-
SEA
2 stops36h 50m
EVA Air
Tue 11/802:10
SEA
-
CNX
1 stop18h 15m
EVA Air
Deal found 30/6฿32,284
Wed 15/720:00
CNX
-
SEA
2 stops37h 50m
EVA Air
Tue 15/901:30
SEA
-
CNX
1 stop18h 55m
EVA Air
Deal found 2/7฿32,317
Thu 23/717:20
CNX
-
SEA
1 stop37h 15m
STARLUX Airlines
Tue 22/901:15
SEA
-
CNX
1 stop25h 05m
STARLUX Airlines
Deal found 30/6฿32,583

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 3 July 2026.

Round-trip from

฿31,486

One-way from

฿15,660
STARLUX Airlines
  • STARLUX Airlines
  • 18/7-13/9
  • 2 total stops
  • 62h 20m 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 3 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

Fri 17/7

20:00-19:50

2 stops37h 50m

Seattle/Tacoma Intl

Fri 11/9

01:30-10:25

1 stop18h 55m

฿32,151

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 16/7

11:35-19:50

1 stop22h 15m

Seattle/Tacoma Intl

Fri 11/9

01:30-10:25

1 stop18h 55m

฿33,680

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 15/7

20:00-19:50

2 stops37h 50m

Seattle/Tacoma Intl

Tue 15/9

00:30-19:10

2 stops28h 40m

฿34,012

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Mon 28/9

10:10-19:40

2 stops23h 30m

Seattle/Tacoma Intl

Thu 1/10

01:30-19:10

2 stops27h 40m

฿35,376

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 22/7

20:00-19:50

2 stops37h 50m

Seattle/Tacoma Intl

Wed 16/9

01:30-19:10

2 stops27h 40m

฿35,509
Fastest return journey

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Mon 28/9

11:55-19:15

2 stops21h 20m

Seattle/Tacoma Intl

Thu 1/10

01:15-10:20

1 stop19h 05m

฿40,030

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sun 19/7

10:10-19:45

2 stops47h 35m

Seattle/Tacoma Intl

Mon 14/9

01:55-13:45

2 stops21h 50m

฿42,358
Cheapest one-way
Fastest single journey

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 19/11

11:25-18:10

1 stop21h 45m

฿15,660

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 22/9

11:20-19:15

1 stop21h 55m

฿15,660

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 1/10

11:20-19:15

1 stop21h 55m

฿15,660

Flights are sorted by cheapest return flights first.

Deals found on 1/7

Showing 1-10 of 15 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 37h 50m. EVA Air provides one of the quickest options available for as low as ฿32,151. The distance from Chiang Mai to Seattle is about 11571 km.

  • 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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