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Cheap flights from Chiang Mai to Seattle from ฿13,559

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 25/11. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SEA
17 Nov — 24 Nov1
1 adult
1 adult, Economy

Find 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 18 October 2025.

Mon 10/1117:35CNX - SEA
1 stop15h 35mChina Airlines
Thu 4/1200:10SEA - CNX
1 stop19h 15mChina Airlines
Deal found 16/10฿26,693
Mon 10/1119:45CNX - SEA
2 stops37h 25mEVA Air
Thu 4/1200:10SEA - CNX
1 stop19h 25mEVA Air
Deal found 16/10฿26,824
Sun 9/1100:15CNX - SEA
1 stop23h 45mKorean Air
Fri 5/1211:00SEA - CNX
1 stop20h 55mKorean Air
Deal found 16/10฿34,632
Sun 9/1100:15CNX - SEA
2 stops36h 54mเดลต้า
Fri 5/1211:00SEA - CNX
1 stop20h 55mเดลต้า
Deal found 16/10฿38,455

Cheap 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 18 October 2025.

Round-trip from

฿26,693

One-way from

฿13,559

Popular in

January

Cheapest in

April

Average price

฿26,954
China Airlines
  • China Airlines
  • 10/11-4/12
  • 2 total stops
  • 34h 50m total
  • Chiang Mai to Seattle
Search Deals
25/11
  • 25/11
  • 3 total stops
  • 32h 16m total
  • Chiang Mai to Seattle
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (฿81,608 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿23,138 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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 18 October 2025.
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 10/11

17:35-18:10

1 stop15h 35m

Seattle/Tacoma Intl

Thu 4/12

00:10-10:25

1 stop19h 15m

฿26,693

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Mon 10/11

19:45-18:10

2 stops37h 25m

Seattle/Tacoma Intl

Thu 4/12

00:10-10:35

1 stop19h 25m

฿26,824

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sun 9/11

00:15-09:00

1 stop23h 45m

Seattle/Tacoma Intl

Fri 5/12

11:00-22:55

1 stop20h 55m

฿34,632

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sun 9/11

00:15-22:09

2 stops36h 54m

Seattle/Tacoma Intl

Fri 5/12

11:00-22:55

1 stop20h 55m

฿38,455

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 25/11

21:15-14:31

3 stops32h 16m

฿13,559

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 25/11

16:55-15:05

1 stop37h 10m

฿16,695

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Mon 24/11

00:15-09:00

1 stop23h 45m

฿17,643

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Mon 24/11

00:15-22:00

2 stops36h 45m

฿19,701

Flights are sorted by cheapest return flights first.

Deals found on 15/10

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

What’s the top stopover airport for flights from Chiang Mai to Seattle?

Share of one-stop return flights from Chiang Mai to Seattle chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Taipei City (TPE) – chosen by Cheapflights users on 86% of one-stop itineraries from Chiang Mai to Seattle on Cheapflights.

What’s the fastest stopover option from Chiang Mai to Seattle?

Shortest average travel time for one-stop one-way flights from Chiang Mai to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Taipei City (TPE) have the shortest average one-way travel time for one-stop routes: 21h 11m.

What’s the fastest stopover option from Chiang Mai to Seattle?

Shortest average travel time for one-stop one-way flights from Chiang Mai to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Taipei City (TPE) have the shortest average one-way travel time for one-stop routes: 21h 11m.

Which airport typically offers the quickest stopover for flights from Chiang Mai to Seattle?

Average stopover duration for one-stop one-way flights from Chiang Mai to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Taipei City (TPE) offer the fastest connection on this route, with an average stopover time of 4h 28m.

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 18 October 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air, andเดลต้า 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
1,251 reviews
Check prices

Overall

8.4

Food

8.0

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
EVA Air
8.4
Very Good
1,251 reviews
EVA Air
8.4
Very Good
1,251 reviews
Check prices

Overall

8.4

Food

8.0

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Korean Air
8.4
Very Good
1,150 reviews
EVA Air
8.4
Very Good
1,251 reviews
Check prices

Overall

8.4

Food

8.0

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
เดลต้า
7.9
Good
7,977 reviews
EVA Air
8.4
Very Good
1,251 reviews
Check prices

Overall

8.4

Food

8.0

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

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 15h 35m. China Airlines provides one of the quickest options available for as low as ฿26,693. 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 ฿26,438, Korean Air will fly you from Chiang Mai to Seattle and back. In addition to Korean Air, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from เดลต้า and EVA Air - these airlines can fly you to your destination from ฿27,073 and ฿27,637, respectively. Korean Air is currently priced 9% 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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Fly from Chiang Mai to Seattle on these airlines

Choose from the following airlines for your flight from Chiang Mai to Seattle. Flights are based on user searches made on Cheapflights and were last updated on 18 October 2025.
Korean Air flights from Chiang Mai to Seattle/Tacoma Intl

Top 3 airlines flying from Chiang Mai to Seattle

Discover the top 3 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 18 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest฿26,438Average฿27,576FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
เดลต้าCheapest฿27,073Average฿30,843FlexibilityNo cancel feeOn-timeN/A
Search เดลต้า flights
EVA AirCheapest฿27,637Average฿31,724FlexibilityNo cancel feeOn-time74%
Search EVA Air 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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