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Cheap flights from Chiang Mai to Seattle from ฿19,534

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SEA
2 May — 9 May1
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 27 April 2025.

Round-trip from

฿28,350

One-way from

฿19,534

Popular in

August

Cheapest in

November

Average price

฿28,751
เดลต้า
  • เดลต้า
  • 1/6-26/6
  • 2 total stops
  • 47h 25m total
  • Chiang Mai to Seattle
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3/5
  • 3/5
  • 2 total stops
  • 35h 10m total
  • Chiang Mai to Seattle
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (฿180,057 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿26,539 potential savings vs. average return price).
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Average for round-trip flights in April 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 27 April 2025.

Sun 18/511:20CNX - SEA
1 stop22h 10mChina Airlines
Sun 8/601:10SEA - CNX
1 stop19h 10mChina Airlines
Deal found 27/4฿27,548
Sun 1/623:15CNX - SEA
1 stop28h 25mเดลต้า
Sat 13/912:45SEA - CNX
1 stop19h 10mเดลต้า
Deal found 26/4฿28,350
Thu 5/623:15CNX - SEA
1 stop25h 35mKorean Air
Tue 15/713:20SEA - CNX
1 stop18h 35mKorean Air
Deal found 26/4฿28,483
Sat 17/517:20CNX - SEA
1 stop36h 50mSTARLUX Airlines
Sun 8/601:15SEA - CNX
1 stop25h 05mSTARLUX Airlines
Deal found 27/4฿28,617
Wed 14/500:45CNX - SEA
1 stop25h 45mAsiana Airlines
Thu 10/714:30SEA - CNX
1 stop19h 10mAsiana Airlines
Deal found 26/4฿30,420
Sun 18/512:20CNX - SEA
2 stops21h 10mMultiple Airlines
Sun 8/601:10SEA - CNX
2 stops32h 15mMultiple Airlines
Deal found 27/4฿30,787
Tue 20/511:55CNX - SEA
2 stops20h 55mEVA Air
Mon 9/600:50SEA - CNX
1 stop19h 35mEVA Air
Deal found 27/4฿33,826
Sat 31/520:00CNX - SEA
2 stops56h 55mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Mon 23/616:25SEA - CNX
2 stops31h 20mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Deal found 26/4฿36,932

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 27 April 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

Sun 18/5

11:20-19:30

1 stop22h 10m

Seattle/Tacoma Intl

Sun 8/6

01:10-10:20

1 stop19h 10m

฿27,548

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sun 1/6

23:15-13:40

1 stop28h 25m

Seattle/Tacoma Intl

Sat 13/9

12:45-21:55

1 stop19h 10m

฿28,350

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 5/6

23:15-10:50

1 stop25h 35m

Seattle/Tacoma Intl

Tue 15/7

13:20-21:55

1 stop18h 35m

฿28,483

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sat 17/5

17:20-16:10

1 stop36h 50m

Seattle/Tacoma Intl

Sun 8/6

01:15-16:20

1 stop25h 05m

฿28,617

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 14/5

00:45-12:30

1 stop25h 45m

Seattle/Tacoma Intl

Thu 10/7

14:30-23:40

1 stop19h 10m

฿30,420

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sun 18/5

12:20-19:30

2 stops21h 10m

Seattle/Tacoma Intl

Sun 8/6

01:10-23:25

2 stops32h 15m

฿30,787

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 20/5

11:55-18:50

2 stops20h 55m

Seattle/Tacoma Intl

Mon 9/6

00:50-10:25

1 stop19h 35m

฿33,826

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sat 31/5

20:00-14:55

2 stops56h 55m

Seattle/Tacoma Intl

Mon 8/9

16:25-13:45

2 stops31h 20m

฿36,932

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sat 3/5

22:20-19:30

2 stops35h 10m

฿19,534

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Fri 2/5

00:45-12:30

1 stop25h 45m

฿20,803

Flights are sorted by cheapest return flights first.

Deals found on 26/4

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.

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 27 April 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

9.0

Comfort

9.0

Crew

9.3

Entertainment

9.0

Food

8.9

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
STARLUX Airlines
9.1
Wonderful
STARLUX Airlines
9.1
Wonderful
Check prices

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Entertainment

9.0

Food

8.9

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
EVA Air
8.4
Very Good
1,182 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Entertainment

9.0

Food

8.9

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Korean Air
8.4
Very Good
1,063 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Entertainment

9.0

Food

8.9

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
China Airlines
8.3
Very Good
729 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Entertainment

9.0

Food

8.9

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Asiana Airlines
8.2
Very Good
443 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Entertainment

9.0

Food

8.9

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

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 ฿28,350, เดลต้า will fly you from Chiang Mai to Seattle and back. In addition to เดลต้า, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Korean Air and China Airlines - these airlines can fly you to your destination from ฿28,483 and ฿28,984, respectively. เดลต้า is currently priced 12% 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 Asiana Airlines, with whom users have recently found tickets for as low as ฿20,803. However, be on the lookout for offers from เดลต้า 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 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 27 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest฿23,865Average฿26,619FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
EVA AirCheapest฿30,126Average฿31,788FlexibilityNo 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?

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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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