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Cheap flights from Chiang Mai to Seattle from ฿16,346

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 25/6. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SEA
14 Jul — 21 Jul1
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 14 June 2026.

Tue 13/1011:20
CNX
-
SEA
1 stop21h 55m
China Airlines
Sat 24/1001:10
SEA
-
CNX
1 stop19h 15m
China Airlines
Deal found 13/6฿27,953
Tue 13/1017:20
CNX
-
SEA
1 stop36h 50m
STARLUX Airlines
Tue 27/1000:45
SEA
-
CNX
1 stop25h 15m
STARLUX Airlines
Deal found 13/6฿28,083
Thu 9/717:20
CNX
-
SEA
1 stop37h 15m
STARLUX Airlines
Tue 14/701:15
SEA
-
CNX
1 stop25h 05m
STARLUX Airlines
Deal found 10/6฿28,149
Tue 21/711:20
CNX
-
SEA
1 stop22h 25m
China Airlines
Sat 12/901:55
SEA
-
CNX
1 stop18h 25m
China Airlines
Deal found 13/6฿28,476
Thu 1/1017:20
CNX
-
SEA
1 stop36h 50m
STARLUX Airlines
Thu 8/1001:15
SEA
-
CNX
1 stop25h 05m
STARLUX Airlines
Deal found 12/6฿28,999
Tue 13/1017:20
CNX
-
SEA
1 stop36h 50m
STARLUX Airlines
Sun 25/1000:45
SEA
-
CNX
1 stop25h 15m
STARLUX Airlines
Deal found 13/6฿29,129
Thu 6/811:20
CNX
-
SEA
1 stop22h 25m
China Airlines
Tue 29/901:15
SEA
-
CNX
1 stop19h 05m
China Airlines
Deal found 12/6฿29,849
Wed 14/1011:35
CNX
-
SEA
1 stop21h 45m
EVA Air
Tue 27/1001:10
SEA
-
CNX
1 stop19h 25m
EVA Air
Deal found 13/6฿30,045
Wed 14/1011:30
CNX
-
SEA
2 stops36h 22m
Multiple Airlines
Wed 28/1019:05
SEA
-
CNX
2 stops28h 40m
Multiple Airlines
Deal found 13/6฿30,470
Tue 13/1017:20
CNX
-
SEA
2 stops28h 56m
Multiple Airlines
Tue 27/1000:45
SEA
-
CNX
1 stop25h 15m
Multiple Airlines
Deal found 13/6฿30,601
Thu 23/721:10
CNX
-
SEA
2 stops26h 57m
Multiple Airlines
Wed 23/919:20
SEA
-
CNX
2 stops25h 55m
Multiple Airlines
Deal found 13/6฿30,731
Fri 16/1011:35
CNX
-
SEA
1 stop21h 45m
EVA Air
Sat 24/1001:30
SEA
-
CNX
1 stop19h 05m
EVA Air
Deal found 13/6฿30,895

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 14 June 2026.

Round-trip from

฿27,953

One-way from

฿16,346

Popular in

September

Cheapest in

February

Average price

฿30,078
China Airlines
  • China Airlines
  • 13/10-24/10
  • 2 total stops
  • 41h 10m total
  • Chiang Mai to Seattle
Search Deals
STARLUX Airlines
  • STARLUX Airlines
  • 25/6
  • 1 total stop
  • 36h 50m total
  • Chiang Mai to Seattle
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (฿84,616 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿18,923 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
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 14 June 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

Thu 6/8

11:20-19:45

1 stop22h 25m

Seattle/Tacoma Intl

Tue 29/9

01:15-10:20

1 stop19h 05m

฿29,849

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 1/10

11:20-19:15

1 stop21h 55m

Seattle/Tacoma Intl

Thu 8/10

01:15-13:45

2 stops22h 30m

฿31,712

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Mon 6/7

10:10-19:45

2 stops23h 35m

Seattle/Tacoma Intl

Mon 24/8

01:55-10:20

1 stop18h 25m

฿33,576

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 21/7

11:20-19:45

1 stop22h 25m

Seattle/Tacoma Intl

Thu 17/9

01:15-13:45

2 stops22h 30m

฿33,739

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

฿35,014

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Fri 9/10

14:35-19:20

2 stops42h 45m

Seattle/Tacoma Intl

Mon 12/10

01:30-19:10

2 stops27h 40m

฿35,080
Fastest return journey

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Mon 6/7

11:35-19:50

1 stop22h 15m

Seattle/Tacoma Intl

Mon 24/8

02:10-10:25

1 stop18h 15m

฿36,028

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 1/7

20:00-19:10

2 stops37h 10m

Seattle/Tacoma Intl

Tue 11/8

01:10-19:10

2 stops28h 00m

฿36,943

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 5/8

20:00-19:45

2 stops37h 45m

Seattle/Tacoma Intl

Thu 3/9

01:55-13:45

2 stops21h 50m

฿37,499

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 11/8

17:20-16:35

1 stop37h 15m

Seattle/Tacoma Intl

Thu 17/9

01:15-16:20

1 stop25h 05m

฿38,120

Flights are sorted by cheapest return flights first.

Deals found on 13/6

Showing 1-10 of 16 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.

Cheapflights Insights

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

How much does it cost for a return flight from Chiang Mai to Seattle?

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 22h 25m. China Airlines provides one of the quickest options available for as low as ฿29,849. 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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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