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Cheap flights from Chiang Mai to Seattle from ฿18,899

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SEA
4 Jul — 11 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 29 June 2025.

Round-trip from

฿26,478

One-way from

฿18,899

Popular in

August

Cheapest in

November

Average price

฿30,641
Korean Air
  • Korean Air
  • 18/12-20/1
  • 2 total stops
  • 44h 50m total
  • Chiang Mai to Seattle
Search Deals
5/7
  • 5/7
  • 3 total stops
  • 57h 25m total
  • Chiang Mai to Seattle
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (฿438,704 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (฿101,000 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
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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 29 June 2025.

Thu 18/1200:15CNX - SEA
1 stop23h 45mKorean Air
Tue 20/111:00SEA - CNX
1 stop21h 05mKorean Air
Deal found 27/6฿26,478
Tue 16/1211:25CNX - SEA
1 stop21h 50mChina Airlines
Sun 4/100:10SEA - CNX
1 stop19h 15mChina Airlines
Deal found 29/6฿26,706
Fri 19/1211:50CNX - SEA
1 stop21h 20mEVA Air
Tue 20/123:30SEA - CNX
1 stop20h 05mEVA Air
Deal found 27/6฿27,356
Thu 18/1200:15CNX - SEA
1 stop28h 40mMultiple Airlines
Mon 19/100:10SEA - CNX
1 stop31h 55mMultiple Airlines
Deal found 27/6฿29,048
Sat 20/1216:55CNX - SEA
1 stop37h 10mSTARLUX Airlines
Thu 8/123:45SEA - CNX
1 stop25h 10mSTARLUX Airlines
Deal found 29/6฿29,731
Wed 17/1200:15CNX - SEA
1 stop28h 05mเดลต้า
Sat 3/111:25SEA - CNX
1 stop20h 40mเดลต้า
Deal found 29/6฿29,926

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 29 June 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 18/12

00:15-09:00

1 stop23h 45m

Seattle/Tacoma Intl

Tue 20/1

11:00-23:05

1 stop21h 05m

฿26,478

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 16/12

11:25-18:15

1 stop21h 50m

Seattle/Tacoma Intl

Sun 4/1

00:10-10:25

1 stop19h 15m

฿26,706

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Fri 19/12

11:50-18:10

1 stop21h 20m

Seattle/Tacoma Intl

Tue 20/1

23:30-10:35

1 stop20h 05m

฿27,356

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 18/12

00:15-13:55

1 stop28h 40m

Seattle/Tacoma Intl

Mon 19/1

00:10-23:05

1 stop31h 55m

฿29,048

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sat 20/12

16:55-15:05

1 stop37h 10m

Seattle/Tacoma Intl

Thu 8/1

23:45-15:55

1 stop25h 10m

฿29,731

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 17/12

00:15-13:20

1 stop28h 05m

Seattle/Tacoma Intl

Sat 3/1

11:25-23:05

1 stop20h 40m

฿29,926

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sat 5/7

17:20-12:45

3 stops57h 25m

฿18,899

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sat 5/7

23:15-14:00

1 stop28h 45m

฿18,964

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Fri 4/7

00:15-12:45

1 stop26h 30m

฿21,826

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sat 5/7

11:20-19:45

1 stop22h 25m

฿94,461

Flights are sorted by cheapest return flights first.

Deals found on 27/6

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 29 June 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
Check prices

Comfort

9.0

Crew

9.3

Overall

9.0

Entertainment

9.0

Boarding

9.0

Food

8.8

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
Check prices

Comfort

9.0

Crew

9.3

Overall

9.0

Entertainment

9.0

Boarding

9.0

Food

8.8

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.
EVA Air
8.4
Very Good
1,209 reviews
STARLUX Airlines
9.0
Wonderful
Check prices

Comfort

9.0

Crew

9.3

Overall

9.0

Entertainment

9.0

Boarding

9.0

Food

8.8

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.
Korean Air
8.4
Very Good
1,101 reviews
STARLUX Airlines
9.0
Wonderful
Check prices

Comfort

9.0

Crew

9.3

Overall

9.0

Entertainment

9.0

Boarding

9.0

Food

8.8

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.
China Airlines
8.3
Very Good
745 reviews
STARLUX Airlines
9.0
Wonderful
Check prices

Comfort

9.0

Crew

9.3

Overall

9.0

Entertainment

9.0

Boarding

9.0

Food

8.8

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.
Asiana Airlines
8.2
Very Good
450 reviews
STARLUX Airlines
9.0
Wonderful
Check prices

Comfort

9.0

Crew

9.3

Overall

9.0

Entertainment

9.0

Boarding

9.0

Food

8.8

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 ฿26,478, 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 China Airlines and EVA Air - these airlines can fly you to your destination from ฿26,706 and ฿27,356, respectively. Korean Air is currently priced 22% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Chiang Mai to Seattle one-way?

    The cheapest airline one-way is เดลต้า, with whom users have recently found tickets for as low as ฿18,964. However, be on the lookout for offers from Asiana Airlines and China Airlines, as they are both options that can get you from Chiang Mai to Seattle for a low price.

  • 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 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 29 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest฿23,247Average฿25,930FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
เดลต้าCheapest฿26,954Average฿30,929FlexibilityNo cancel feeOn-timeN/A
Search เดลต้า flights
EVA AirCheapest฿27,516Average฿31,586FlexibilityNo 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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