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Cheap flights from Chiang Mai to Seattle from ฿14,598

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 23/12. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SEA
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

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 5 November 2025.

Mon 10/1121:00CNX - SEA
2 stops36h 10mEVA Air
Thu 4/1200:10SEA - CNX
1 stop19h 25mEVA Air
Deal found 5/11฿26,822
Mon 10/1117:35CNX - SEA
1 stop15h 35mChina Airlines
Thu 4/1200:10SEA - CNX
1 stop19h 15mChina Airlines
Deal found 5/11฿30,529
Fri 19/1212:10CNX - SEA
2 stops21h 00mEVA Air
Thu 25/1200:10SEA - CNX
2 stops29h 50mEVA Air
Deal found 4/11฿30,984
Sun 9/1100:45CNX - SEA
2 stops36h 21mMultiple Airlines
Fri 5/1210:05SEA - CNX
2 stops22h 40mMultiple Airlines
Deal found 5/11฿36,999

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 5 November 2025.

Round-trip from

฿25,099

One-way from

฿14,598

Popular in

January

Cheapest in

April

Average price

฿27,148
EVA Air
  • EVA Air
  • 11/3-6/4
  • 2 total stops
  • 40h 15m total
  • Chiang Mai to Seattle
Search Deals
23/12
  • 23/12
  • 2 total stops
  • 50h 50m total
  • Chiang Mai to Seattle
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (฿80,785 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿22,896 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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 5 November 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

Thu 12/3

12:10-18:30

2 stops20h 20m

Seattle/Tacoma Intl

Sat 4/4

00:30-10:25

1 stop19h 55m

฿26,822

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 10/3

12:10-19:10

2 stops21h 00m

Seattle/Tacoma Intl

Mon 6/4

01:30-10:25

1 stop18h 55m

฿27,115

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 26/3

10:10-19:10

2 stops23h 00m

Seattle/Tacoma Intl

Sat 28/3

01:10-19:10

2 stops28h 00m

฿30,041

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 4/2

21:40-17:30

2 stops34h 50m

Seattle/Tacoma Intl

Tue 10/2

00:10-21:00

2 stops29h 50m

฿30,139

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sat 14/3

10:10-19:10

2 stops23h 00m

Seattle/Tacoma Intl

Sun 5/4

01:30-13:45

2 stops22h 15m

฿30,139

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Fri 13/3

10:10-19:10

2 stops23h 00m

Seattle/Tacoma Intl

Sun 5/4

01:30-13:45

2 stops22h 15m

฿30,139

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 4/2

21:40-17:30

2 stops34h 50m

Seattle/Tacoma Intl

Thu 12/2

23:30-21:00

2 stops30h 30m

฿30,139

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sun 8/3

10:10-18:10

2 stops23h 00m

Seattle/Tacoma Intl

Sun 5/4

01:30-13:45

2 stops22h 15m

฿30,139

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sun 8/3

10:10-18:10

2 stops23h 00m

Seattle/Tacoma Intl

Tue 7/4

00:30-13:45

2 stops23h 15m

฿30,139

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sun 8/2

10:10-18:10

2 stops23h 00m

Seattle/Tacoma Intl

Thu 12/2

23:30-09:25

2 stops42h 55m

฿30,139

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 21 results
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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

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 83% 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 17m.

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 17m.

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 29m.

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 5 November 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
1,270 reviews
Check prices

Overall

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
EVA Air
8.4
Very Good
1,270 reviews
EVA Air
8.4
Very Good
1,270 reviews
Check prices

Overall

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Korean Air
8.4
Very Good
1,160 reviews
EVA Air
8.4
Very Good
1,270 reviews
Check prices

Overall

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
เดลต้า
7.9
Good
8,004 reviews
EVA Air
8.4
Very Good
1,270 reviews
Check prices

Overall

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

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 20m. EVA Air provides one of the quickest options available for as low as ฿26,822. 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 ฿26,309, 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 ฿26,941 and ฿27,502, 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 5 November 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 5 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest฿26,309Average฿27,441FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
เดลต้าCheapest฿26,941Average฿30,692FlexibilityNo cancel feeOn-timeN/A
Search เดลต้า flights
EVA AirCheapest฿27,502Average฿31,660FlexibilityNo 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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