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Cheap flights from Chiang Mai to Seattle from ฿26,149

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/12. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SEA
20 Jun — 27 Jun1
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 15 June 2025.

Round-trip from

฿36,028

Popular in

August

Cheapest in

November

Average price

฿30,411
Asiana Airlines
  • Asiana Airlines
  • 30/7-6/8
  • 3 total stops
  • 68h 11m total
  • Chiang Mai to Seattle
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (฿432,151 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (฿99,486 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 15 June 2025.

Sat 20/1211:25CNX - SEA
1 stop21h 50mChina Airlines
Thu 1/100:10SEA - CNX
1 stop19h 15mChina Airlines
Deal found 13/6฿26,149
Thu 18/1200:15CNX - SEA
1 stop23h 45mKorean Air
Tue 20/111:00SEA - CNX
1 stop21h 05mKorean Air
Deal found 14/6฿26,311
Fri 19/1211:50CNX - SEA
1 stop21h 20mEVA Air
Mon 19/100:10SEA - CNX
1 stop19h 25mEVA Air
Deal found 14/6฿27,150
Fri 19/1210:10CNX - SEA
2 stops19h 55mMultiple Airlines
Tue 20/123:45SEA - CNX
1 stop25h 10mMultiple Airlines
Deal found 13/6฿28,990
Thu 18/1200:15CNX - SEA
1 stop23h 45mเดลต้า
Tue 20/106:15SEA - CNX
2 stops25h 50mเดลต้า
Deal found 13/6฿30,830
Fri 13/600:15CNX - SEA
1 stop26h 15mAsiana Airlines
Sat 6/914:15SEA - CNX
1 stop19h 25mAsiana Airlines
Deal found 13/6฿31,089
Tue 30/1216:55CNX - SEA
1 stop37h 10mSTARLUX Airlines
Sun 1/223:45SEA - CNX
1 stop25h 10mSTARLUX Airlines
Deal found 15/6฿147,081
Wed 31/1212:00CNX - SEA
1 stop34h 10mSingapore Airlines
Sun 1/208:45SEA - CNX
1 stop41h 05mSingapore Airlines
Deal found 15/6฿156,831
Tue 30/1212:10CNX - SEA
2 stops40h 10mลุฟท์ฮันซ่า
Sun 1/215:10SEA - CNX
2 stops36h 45mลุฟท์ฮันซ่า
Deal found 14/6฿159,446
Mon 29/1219:45CNX - SEA
2 stops31h 50mEmirates
Sun 1/216:05SEA - CNX
2 stops35h 50mEmirates
Deal found 15/6฿212,874

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 15 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

Wed 30/7

11:15-22:16

2 stops49h 01m

Seattle/Tacoma Intl

Wed 6/8

14:30-23:40

1 stop19h 10m

฿36,028

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 29/7

00:45-12:45

1 stop26h 00m

Seattle/Tacoma Intl

Wed 6/8

14:30-23:40

1 stop19h 10m

฿42,032

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 30/7

11:35-19:50

1 stop22h 15m

Seattle/Tacoma Intl

Tue 5/8

01:10-10:25

1 stop19h 15m

฿48,683

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Fri 1/8

10:10-13:25

2 stops41h 15m

Seattle/Tacoma Intl

Sat 2/8

17:15-11:15

2 stops28h 00m

฿226,530

Flights are sorted by cheapest return flights first.

Deals found on 15/6

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.

Cheapflights Insights

Everything you need to know about your flight from Chiang Mai to Seattle

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 15 June 2025.
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Crew

8.6

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very Good
1,204 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Crew

8.6

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Asiana Airlines
8.2
Very Good
440 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Crew

8.6

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Emirates
8.1
Very Good
3,266 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Crew

8.6

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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 ฿42,032, Asiana Airlines will fly you from Chiang Mai to Seattle and back. In addition to Asiana Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from EVA Air and Emirates - these airlines can fly you to your destination from ฿48,683 and ฿226,530, respectively.

  • 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 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 15 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest฿23,072Average฿25,735FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
เดลต้าCheapest฿26,751Average฿30,696FlexibilityNo cancel feeOn-timeN/A
Search เดลต้า flights
EVA AirCheapest฿28,104Average฿31,244FlexibilityNo 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.

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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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