Find flights
When to book
Airlines
FAQs

Cheap flights from Chiang Mai to Seattle from ฿16,122

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SEA
23 Mar — 30 Mar1
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 18 March 2025.

Round-trip from

฿27,106

One-way from

฿16,122

Popular in

August

Cheapest in

November

Average price

฿29,490
Korean Air
  • Korean Air
  • 20/5-9/7
  • 2 total stops
  • 44h 00m total
  • Chiang Mai to Seattle
Search Deals
China Airlines
  • China Airlines
  • 10/5
  • 1 total stop
  • 22h 10m total
  • Chiang Mai to Seattle
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (฿178,502 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿26,519 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 18 March 2025.

Tue 20/523:15CNX - SEA
1 stop25h 25mKorean Air
Wed 9/713:20SEA - CNX
1 stop18h 35mKorean Air
Deal found 18/3฿27,173
Mon 19/500:45CNX - SEA
1 stop25h 45mAsiana Airlines
Wed 9/714:30SEA - CNX
1 stop19h 10mAsiana Airlines
Deal found 18/3฿30,196
Thu 1/510:10CNX - SEA
2 stops23h 20mEVA Air
Fri 9/501:50SEA - CNX
1 stop18h 35mEVA Air
Deal found 17/3฿30,296
Tue 20/517:20CNX - SEA
1 stop36h 50mSTARLUX Airlines
Tue 8/701:15SEA - CNX
1 stop25h 05mSTARLUX Airlines
Deal found 18/3฿31,069
Tue 20/511:20CNX - SEA
1 stop22h 10mMultiple Airlines
Tue 8/701:40SEA - CNX
2 stops22h 05mMultiple Airlines
Deal found 18/3฿31,203
Wed 19/315:20CNX - SEA
2 stops38h 42mเดลต้า
Wed 16/412:40SEA - CNX
1 stop19h 15mเดลต้า
Deal found 18/3฿31,606
Thu 27/312:10CNX - SEA
2 stops21h 05mChina Airlines
Mon 28/401:10SEA - CNX
1 stop19h 10mChina Airlines
Deal found 18/3฿48,871
Wed 21/511:15CNX - SEA
1 stop35h 30mSingapore Airlines
Thu 10/710:15SEA - CNX
1 stop40h 25mSingapore Airlines
Deal found 18/3฿59,787
Tue 3/611:55CNX - SEA
3 stops40h 59mCathay Pacific
Wed 18/611:44SEA - CNX
3 stops36h 01mCathay Pacific
Deal found 17/3฿73,222

Find flights from Chiang Mai to Seattle within your budget

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 March 2025.

Fly from

Chiang Mai

Fly to

Seattle

Route

Depart

Return

Price

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 20/5

23:15-10:40

1 stop25h 25m

Seattle/Tacoma Intl

Wed 9/7

13:20-21:55

1 stop18h 35m

฿27,173

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Mon 19/5

00:45-12:30

1 stop25h 45m

Seattle/Tacoma Intl

Wed 9/7

14:30-23:40

1 stop19h 10m

฿30,196

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 1/5

10:10-19:30

2 stops23h 20m

Seattle/Tacoma Intl

Fri 9/5

01:50-10:25

1 stop18h 35m

฿30,296

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 20/5

17:20-16:10

1 stop36h 50m

Seattle/Tacoma Intl

Tue 8/7

01:15-16:20

1 stop25h 05m

฿31,069

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 20/5

11:20-19:30

1 stop22h 10m

Seattle/Tacoma Intl

Tue 8/7

01:40-13:45

2 stops22h 05m

฿31,203

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 20/5

23:15-23:08

2 stops37h 53m

Seattle/Tacoma Intl

Wed 9/7

13:20-21:55

1 stop18h 35m

฿31,606

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 21/5

11:15-08:45

1 stop35h 30m

Seattle/Tacoma Intl

Thu 10/7

10:15-16:40

1 stop40h 25m

฿59,787

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 3/6

11:55-14:54

3 stops40h 59m

Seattle/Tacoma Intl

Wed 18/6

11:44-13:45

3 stops36h 01m

฿73,222

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sat 10/5

11:20-19:30

1 stop22h 10m

฿16,122

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sat 10/5

22:20-19:15

2 stops34h 55m

฿16,223

Flights are sorted by cheapest return flights first.

Deals found on 18/3

Showing 1-10 of 13 results
1
2

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.

Travel insights for flights from Chiang Mai to Seattle

Get recent, data-driven insights about flights from Chiang Mai to Seattle including ideal travel times, pricing trends, and more.

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 18 March 2025.
Get a feel of what it's like to fly with STARLUX Airlines, EVA Air and Korean Air from Chiang Mai to Seattle by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
Check prices

Overall

9.1

Boarding

9.1

Food

9.0

Entertainment

9.1

Crew

9.3

Comfort

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
STARLUX Airlines
9.1
Wonderful
STARLUX Airlines
9.1
Wonderful
Check prices

Overall

9.1

Boarding

9.1

Food

9.0

Entertainment

9.1

Crew

9.3

Comfort

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
EVA Air
8.4
Very Good
1,176 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Overall

9.1

Boarding

9.1

Food

9.0

Entertainment

9.1

Crew

9.3

Comfort

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Korean Air
8.4
Very Good
1,045 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Overall

9.1

Boarding

9.1

Food

9.0

Entertainment

9.1

Crew

9.3

Comfort

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
China Airlines
8.2
Very Good
725 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Overall

9.1

Boarding

9.1

Food

9.0

Entertainment

9.1

Crew

9.3

Comfort

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Asiana Airlines
8.2
Very Good
441 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Overall

9.1

Boarding

9.1

Food

9.0

Entertainment

9.1

Crew

9.3

Comfort

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

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 ฿27,106, 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 Asiana Airlines - these airlines can fly you to your destination from ฿29,793 and ฿30,128, respectively. Korean Air is currently priced 16% 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 China Airlines, with whom users have recently found tickets for as low as ฿16,122. However, be on the lookout for offers from STARLUX Airlines and Korean Air, 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

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 2 airlines flying from Chiang Mai to Seattle

Discover the top 2 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 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest฿24,005Average฿26,775FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
EVA AirCheapest฿30,303Average฿31,974FlexibilityNo 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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.