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Cheap flights from Chiang Mai to Seattle from ฿17,767

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 23/8. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SEA
18 Jul — 25 Jul1
1 adult

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 13 July 2025.

Round-trip from

฿26,084

One-way from

฿17,767

Popular in

August

Cheapest in

May
Korean Air
  • Korean Air
  • 16/12-5/1
  • 2 total stops
  • 44h 50m total
  • Chiang Mai to Seattle
เดลต้า
  • เดลต้า
  • 23/8
  • 1 total stop
  • 28h 46m total
  • Chiang Mai to Seattle
Highest demand for flights based on searches. 33% potential increase in price (฿541,847 potential increase over avg. return price).
Cheapest flight prices on average. 11% potential price decrease (฿111,962 potential savings vs. average return price).

Find flight deals from Chiang Mai to Seattle

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 13 July 2025.

Tue 16/1200:15CNX - SEA
1 stop23h 45mKorean Air
Mon 5/111:00SEA - CNX
1 stop21h 05mKorean Air
Deal found 11/7฿26,084
Sun 30/1111:50CNX - SEA
1 stop21h 20mEVA Air
Wed 14/100:10SEA - CNX
1 stop19h 25mEVA Air
Deal found 11/7฿27,152
Tue 16/1200:15CNX - SEA
1 stop28h 40mMultiple Airlines
Sun 4/100:10SEA - CNX
1 stop31h 55mMultiple Airlines
Deal found 11/7฿29,547
Tue 16/1200:15CNX - SEA
1 stop23h 45mเดลต้า
Mon 5/107:20SEA - CNX
2 stops24h 45mเดลต้า
Deal found 11/7฿30,291
Wed 17/1211:25CNX - SEA
2 stops35h 50mChina Airlines
Mon 5/115:50SEA - CNX
2 stops27h 35mChina Airlines
Deal found 11/7฿32,459
Mon 14/700:45CNX - SEA
1 stop26h 00mAsiana Airlines
Tue 29/714:30SEA - CNX
1 stop19h 10mAsiana Airlines
Deal found 11/7฿37,216
Sun 20/710:10CNX - SEA
3 stops44h 27mCathay Pacific
Thu 25/908:37SEA - CNX
3 stops39h 08mCathay Pacific
Deal found 11/7฿95,403
Tue 2/917:20CNX - SEA
1 stop36h 50mSTARLUX Airlines
Tue 23/1223:45SEA - CNX
1 stop25h 10mSTARLUX Airlines
Deal found 13/7฿116,244

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 13 July 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

Tue 16/12

00:15-09:00

1 stop23h 45m

Seattle/Tacoma Intl

Mon 5/1

11:00-23:05

1 stop21h 05m

฿26,084

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sun 30/11

11:50-18:10

1 stop21h 20m

Seattle/Tacoma Intl

Thu 15/1

23:30-10:35

1 stop20h 05m

฿27,152

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 16/12

00:15-13:55

1 stop28h 40m

Seattle/Tacoma Intl

Sun 4/1

00:10-23:05

1 stop31h 55m

฿29,547

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 16/12

00:15-09:00

1 stop23h 45m

Seattle/Tacoma Intl

Mon 5/1

07:20-23:05

2 stops24h 45m

฿30,291

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 17/12

11:25-08:15

2 stops35h 50m

Seattle/Tacoma Intl

Mon 5/1

15:50-10:25

2 stops27h 35m

฿32,459

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 2/9

17:20-16:10

1 stop36h 50m

Seattle/Tacoma Intl

Tue 23/12

23:45-15:55

1 stop25h 10m

฿116,244

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sat 23/8

23:15-14:01

1 stop28h 46m

฿17,767

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sat 23/8

18:25-19:15

2 stops38h 50m

฿17,799

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Fri 22/8

00:45-12:45

1 stop26h 00m

฿21,715

Flights are sorted by cheapest return flights first.

Deals found on 11/7

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 13 July 2025.
Get a feel of what it's like to fly with STARLUX Airlines, EVA Air, andKorean Air 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.
STARLUX Airlines
9.0
Wonderful

Boarding

9.0

Comfort

9.0

Food

8.9

Crew

9.3

Entertainment

9.0

Overall

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.0
Wonderful
STARLUX Airlines
9.0
Wonderful

Boarding

9.0

Comfort

9.0

Food

8.9

Crew

9.3

Entertainment

9.0

Overall

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.0
Wonderful

Boarding

9.0

Comfort

9.0

Food

8.9

Crew

9.3

Entertainment

9.0

Overall

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.0
Wonderful

Boarding

9.0

Comfort

9.0

Food

8.9

Crew

9.3

Entertainment

9.0

Overall

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.0
Wonderful

Boarding

9.0

Comfort

9.0

Food

8.9

Crew

9.3

Entertainment

9.0

Overall

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.0
Wonderful

Boarding

9.0

Comfort

9.0

Food

8.9

Crew

9.3

Entertainment

9.0

Overall

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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

    Currently priced at ฿26,084, 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 EVA Air and เดลต้า - these airlines can fly you to your destination from ฿27,152 and ฿30,291, respectively. Korean Air is currently priced 21% 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 13 July 2025.

Top 4 airlines flying from Chiang Mai to Seattle

Discover the top 4 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 13 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest฿23,129Average฿25,798FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest฿26,188Average฿27,325FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
เดลต้าCheapest฿26,816Average฿30,771FlexibilityNo cancel feeOn-timeN/A
Search เดลต้า flights
EVA AirCheapest฿27,375Average฿31,425FlexibilityNo cancel feeOn-time74%
Search EVA Air flights

Fly with Cheapflights

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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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