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Cheap flights from Chiang Mai to Seattle from ฿14,855

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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SEA
5 Apr — 12 Apr1
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 6 March 2026.

Tue 29/906:35
CNX
-
SEA
2 stops27h 30m
Multiple Airlines
Tue 6/1023:10
SEA
-
CNX
2 stops27h 45m
Multiple Airlines
Deal found 4/3฿21,217
Thu 24/911:20
CNX
-
SEA
1 stop21h 55m
China Airlines
Sun 27/901:15
SEA
-
CNX
1 stop19h 05m
China Airlines
Deal found 5/3฿24,207
Tue 29/911:20
CNX
-
SEA
1 stop21h 55m
China Airlines
Mon 5/1001:15
SEA
-
CNX
1 stop19h 05m
China Airlines
Deal found 4/3฿24,366
Mon 20/423:30
CNX
-
SEA
3 stops33h 53m
Multiple Airlines
Tue 5/505:40
SEA
-
CNX
2 stops27h 00m
Multiple Airlines
Deal found 5/3฿26,243
Thu 12/310:10
CNX
-
SEA
2 stops23h 00m
EVA Air
Sat 28/323:50
SEA
-
CNX
1 stop20h 35m
EVA Air
Deal found 3/3฿26,529
Wed 13/520:00
CNX
-
SEA
2 stops37h 30m
EVA Air
Tue 30/600:50
SEA
-
CNX
1 stop19h 35m
EVA Air
Deal found 5/3฿26,720

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 6 March 2026.

Round-trip from

฿26,243

One-way from

฿14,855

Popular in

September

Cheapest in

April

Average price

฿27,547
20/4-5/5
  • 20/4-5/5
  • 5 total stops
  • 60h 53m total
  • Chiang Mai to Seattle
Search Deals
China Airlines
  • China Airlines
  • 8/6
  • 1 total stop
  • 21h 55m total
  • Chiang Mai to Seattle
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (฿83,346 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿25,379 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 6 March 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

Sat 18/4

23:55-19:20

2 stops33h 25m

Seattle/Tacoma Intl

Sat 25/4

05:40-22:00

2 stops26h 20m

฿31,173

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 1/7

10:10-16:35

2 stops44h 25m

Seattle/Tacoma Intl

Tue 11/8

01:15-16:20

1 stop25h 05m

฿32,382
Fastest return journey

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 23/7

11:20-19:45

1 stop22h 25m

Seattle/Tacoma Intl

Tue 22/9

01:15-10:20

1 stop19h 05m

฿32,509

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 5/8

11:35-19:50

1 stop22h 15m

Seattle/Tacoma Intl

Thu 3/9

00:30-10:25

1 stop19h 55m

฿33,909

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 6/8

11:20-19:45

1 stop22h 25m

Seattle/Tacoma Intl

Wed 30/9

15:44-10:20

2 stops28h 36m

฿35,213

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sun 19/4

20:00-16:10

2 stops58h 10m

Seattle/Tacoma Intl

Sun 26/4

19:15-16:20

2 stops31h 05m

฿35,690

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 1/7

20:00-19:10

2 stops37h 10m

Seattle/Tacoma Intl

Tue 11/8

02:10-13:45

2 stops21h 35m

฿38,171

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 6/8

11:55-19:10

2 stops21h 15m

Seattle/Tacoma Intl

Tue 29/9

01:30-19:10

2 stops27h 40m

฿38,171

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 23/7

10:10-19:50

2 stops23h 40m

Seattle/Tacoma Intl

Tue 22/9

01:30-13:45

2 stops22h 15m

฿38,935
Cheapest one-way

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Mon 8/6

11:20-19:15

1 stop21h 55m

฿14,855

Flights are sorted by cheapest return flights first.

Deals found on 5/3

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated 6 March 2026.
Get a feel of what it's like to fly with China Airlines and เดลต้า from Chiang Mai to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.3
Very Good
809 reviews
Check prices

Crew

8.5

Entertainment

8.0

Overall

8.3

Comfort

8.0

Food

7.8

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

A,Feb 2026

SEA - TPE

China Airlines has improved significantly over the years. This is the first time we fly on their business class after 20+ years. Both hardware and services impressed us. Will definitely fly with again in the future.
China Airlines
8.3
Very Good
809 reviews
China Airlines
8.3
Very Good
809 reviews
Check prices

Crew

8.5

Entertainment

8.0

Overall

8.3

Comfort

8.0

Food

7.8

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

A,Feb 2026

SEA - TPE

China Airlines has improved significantly over the years. This is the first time we fly on their business class after 20+ years. Both hardware and services impressed us. Will definitely fly with again in the future.
เดลต้า
7.9
Good
8,270 reviews
China Airlines
8.3
Very Good
809 reviews
Check prices

Crew

8.5

Entertainment

8.0

Overall

8.3

Comfort

8.0

Food

7.8

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

A,Feb 2026

SEA - TPE

China Airlines has improved significantly over the years. This is the first time we fly on their business class after 20+ years. Both hardware and services impressed us. Will definitely fly with again in the future.

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 ฿32,509. The distance from Chiang Mai to Seattle is about 11571 km.

  • What are the cheapest airlines flying from Chiang Mai to Seattle round-trip?

    Currently priced at ฿23,866, China Airlines will fly you from Chiang Mai to Seattle and back. In addition to China Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on เดลต้า for as low as ฿26,359. China Airlines is currently priced 12% below the average price you’ll pay for this route.

  • 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

Top 2 airlines flying from Chiang Mai to Seattle

Discover the top 2 airlines that operate flights from Chiang Mai to Seattle. 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 17,341 searches. Data last updated 6 March 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest฿23,866Average฿27,933FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
เดลต้าCheapest฿26,359Average฿30,029FlexibilityNo cancel feeOn-timeN/A
Search เดลต้า 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.

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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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