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Cheap flights from Chiang Mai to Seattle from ฿14,483

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SEA
20 Feb — 27 Feb1
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 21 January 2026.

Tue 17/208:05
CNX
-
SEA
2 stops44h 50m
Multiple Airlines
Mon 23/200:10
SEA
-
CNX
2 stops31h 40m
Multiple Airlines
Deal found 20/1฿24,274
Thu 24/911:20
CNX
-
SEA
1 stop21h 55m
China Airlines
Sun 27/901:15
SEA
-
CNX
1 stop19h 05m
China Airlines
Deal found 18/1฿24,771
Wed 19/811:35
CNX
-
SEA
2 stops34h 31m
Multiple Airlines
Mon 28/901:30
SEA
-
CNX
1 stop18h 55m
Multiple Airlines
Deal found 20/1฿26,263
Mon 16/200:15
CNX
-
SEA
1 stop23h 45m
Korean Air
Tue 24/211:00
SEA
-
CNX
1 stop20h 55m
Korean Air
Deal found 20/1฿26,884
Thu 6/811:20
CNX
-
SEA
1 stop22h 25m
China Airlines
Tue 29/901:15
SEA
-
CNX
1 stop19h 05m
China Airlines
Deal found 19/1฿27,288
Sun 16/811:20
CNX
-
SEA
1 stop22h 25m
China Airlines
Sun 27/901:15
SEA
-
CNX
1 stop19h 05m
China Airlines
Deal found 20/1฿27,320
Wed 19/811:35
CNX
-
SEA
1 stop22h 15m
EVA Air
Mon 28/901:30
SEA
-
CNX
1 stop18h 55m
EVA Air
Deal found 20/1฿27,630
Wed 19/811:35
CNX
-
SEA
1 stop22h 15m
EVA Air
Tue 29/900:30
SEA
-
CNX
1 stop19h 55m
EVA Air
Deal found 20/1฿27,661

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 21 January 2026.

Round-trip from

฿24,274

One-way from

฿14,483

Popular in

September

Cheapest in

April
17/2-23/2
  • 17/2-23/2
  • 4 total stops
  • 76h 30m total
  • Chiang Mai to Seattle
Search Deals
4/3
  • 4/3
  • 3 total stops
  • 36h 35m total
  • Chiang Mai to Seattle
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (฿76,685 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿23,890 potential savings vs. average return price).
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 21 January 2026.
Use the filters below to find and compare flights from Chiang Mai to Seattle that are best for you.

Fly from

Chiang Mai

Fly to

Seattle

Route

Depart

Return

Price

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Mon 16/2

00:15-09:00

1 stop23h 45m

Seattle/Tacoma Intl

Tue 24/2

11:00-22:55

1 stop20h 55m

฿26,884

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 26/3

11:50-18:30

1 stop20h 40m

Seattle/Tacoma Intl

Wed 29/4

01:30-10:25

1 stop18h 55m

฿28,470

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 26/3

11:25-19:10

1 stop21h 45m

Seattle/Tacoma Intl

Thu 30/4

20:05-10:20

2 stops24h 15m

฿28,532

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 1/7

11:35-19:50

1 stop22h 15m

Seattle/Tacoma Intl

Tue 11/8

01:10-10:25

1 stop19h 15m

฿28,625

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 1/7

11:35-19:50

1 stop22h 15m

Seattle/Tacoma Intl

Wed 12/8

19:59-10:25

2 stops24h 26m

฿30,738

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Mon 2/3

22:50-18:52

3 stops35h 02m

฿17,032

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 5/3

16:40-17:09

3 stops39h 29m

฿17,032

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sun 1/2

21:40-22:06

2 stops39h 26m

฿17,094

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 3/3

19:40-18:52

3 stops38h 12m

฿17,156

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 10/2

00:15-09:00

1 stop23h 45m

฿17,250

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 15 results
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 21 January 2026.
Get a feel of what it's like to fly with EVA Air 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.
EVA Air
8.4
Very Good
1,327 reviews
Check prices

Food

8.1

Entertainment

8.0

Comfort

8.3

Crew

8.6

Overall

8.4

Boarding

8.4

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
EVA Air
8.4
Very Good
1,327 reviews
EVA Air
8.4
Very Good
1,327 reviews
Check prices

Food

8.1

Entertainment

8.0

Comfort

8.3

Crew

8.6

Overall

8.4

Boarding

8.4

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
เดลต้า
7.9
Good
8,085 reviews
EVA Air
8.4
Very Good
1,327 reviews
Check prices

Food

8.1

Entertainment

8.0

Comfort

8.3

Crew

8.6

Overall

8.4

Boarding

8.4

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.

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 20h 40m. Korean Air provides one of the quickest options available for as low as ฿28,470. 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.

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

    Currently priced at ฿24,984, EVA Air will fly you from Chiang Mai to Seattle and back. In addition to EVA Air, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on เดลต้า for as low as ฿25,754. EVA Air is currently priced 6% 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

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

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 21 January 2026.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest฿24,984Average฿30,080FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
เดลต้าCheapest฿25,754Average฿29,341FlexibilityNo 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.

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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