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$621+ Cheap flights from Chiang Mai (CNX) to Seattle (SEA)

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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SEA
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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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 febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$661
(Asiana Airlines)

One-way from

$621
(FlightHub)

Popular in

August

Cheapest in

November

Average price

$944
Provider with most accurate pricing for Chiang Mai-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Chiang Mai-Seattle/Tacoma Intl flights.
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From Chiang Mai to Seattle/Tacoma Intl
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One-way flight from Chiang Mai to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 13% potential increase in price ($155 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in February 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 febrero 20, 2025.

This Asiana Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/1712:25 amCNX - SEA
1 stop25h 30mAsiana Airlines
mar. 4/222:15 pmSEA - CNX
1 stop19h 25mAsiana Airlines
Deal found 2/20$661
This EaseMyTrip deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/1712:25 amCNX - SEA
2 stops52h 28mMultiple Airlines
mar. 4/222:15 pmSEA - CNX
1 stop19h 25mMultiple Airlines
Deal found 2/20$741
This EVA Air deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/1811:50 amCNX - SEA
1 stop21h 20mEVA Air
lun. 4/211:30 amSEA - CNX
1 stop18h 55mEVA Air
Deal found 2/20$849
This Delta deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/133:20 pmCNX - SEA
1 stop37h 20mDelta
mié. 4/2312:50 pmSEA - CNX
1 stop19h 05mDelta
Deal found 2/20$870
This Expedia deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/53:20 pmCNX - SEA
1 stop32h 40mKorean Air
jue. 3/611:00 amSEA - CNX
1 stop21h 05mKorean Air
Deal found 2/20$871
This Vakatrip deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vakatrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/135:15 pmCNX - SEA
1 stop36h 50mSTARLUX Airlines
mar. 4/221:15 amSEA - CNX
1 stop25h 05mSTARLUX Airlines
Deal found 2/19$882
This Gurufare deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/2610:10 amCNX - SEA
3 stops48h 23mCathay Pacific
mar. 7/2211:40 amSEA - CNX
3 stops41h 30mCathay Pacific
Deal found 2/19$2,345

Find flights from Chiang Mai to Seattle within your budget

Customize 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 2,558,603 searches. Data last updated febrero 20, 2025.

Fly from

Chiang Mai

Fly to

Seattle

Route

Depart

Return

Price

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

lun. 3/17

12:25 am-11:55 am

1 stop25h 30m

Seattle/Tacoma Intl

mar. 4/22

2:15 pm-11:40 pm

1 stop19h 25m

$661

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

lun. 3/17

12:25 am-2:53 pm

2 stops52h 28m

Seattle/Tacoma Intl

mar. 4/22

2:15 pm-11:40 pm

1 stop19h 25m

$741

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

jue. 3/13

11:50 am-7:10 pm

1 stop21h 20m

Seattle/Tacoma Intl

mar. 4/22

1:30 am-10:25 am

1 stop18h 55m

$849

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

jue. 3/13

3:20 pm-2:40 pm

1 stop37h 20m

Seattle/Tacoma Intl

mié. 4/23

12:50 pm-9:55 pm

1 stop19h 05m

$870

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

mié. 3/5

3:20 pm-9:00 am

1 stop32h 40m

Seattle/Tacoma Intl

jue. 3/6

11:00 am-11:05 pm

1 stop21h 05m

$871

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

sáb. 7/12

12:45 am-12:45 pm

1 stop26h 00m

$621

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

dom. 7/13

11:20 am-7:45 pm

1 stop22h 25m

$704

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

dom. 7/13

1:20 pm-7:45 pm

2 stops20h 25m

$708

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

sáb. 4/26

5:20 pm-4:10 pm

1 stop36h 50m

$2,498

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

sáb. 4/26

10:10 am-7:20 pm

2 stops47h 10m

$2,672

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 11 results
1
2

Compare providers for flights from Chiang Mai to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chiang Mai to Seattle in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
JetabroadPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chiang Mai-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chiang Mai-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chiang Mai-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chiang Mai-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chiang Mai-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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.

What is the cheapest month to book a flight from Chiang Mai to Seattle?

Currently, January is the cheapest month in which you can book a flight from Chiang Mai to Seattle (average of $238). Flying from Chiang Mai to Seattle in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 febrero 20, 2025.
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Entertainment

9.1

Food

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
140 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Entertainment

9.1

Food

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
1,200 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Entertainment

9.1

Food

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
1,037 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Entertainment

9.1

Food

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
8.3
Very good
446 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Entertainment

9.1

Food

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
727 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Entertainment

9.1

Food

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?

    Asiana Airlines, at $661, was found to be the cheapest airline from Chiang Mai to Seattle.Alternate airlines to your destination round-trip include EVA Air and Delta. Users have found that Asiana Airlines is 32% cheaper than the other options available to this destination.

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

    The cheapest airlines for a one-way flight from Chiang Mai to Seattle are Asiana Airlines ($621), China Airlines ($704), and STARLUX Airlines ($2,498).

  • 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 vacation 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.

  • What is the cheapest month to book a flight from Chiang Mai to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Chiang Mai to Seattle (average of $238). Flying from Chiang Mai to Seattle in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chiang Mai?

Book flights to Chiang Mai if you plan to visit one of these locations
SeaTac
Tukwila
Renton
Tacoma
Lacey
Ocean Shores
Leavenworth
Olympia
Federal Way
Centralia
Marysville
Cle Elum
Mukilteo
Aberdeen
Lakewood
Issaquah
Shoreline
Lynnwood
Shelton
Silverdale

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.
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Suvarnabhumi to Portland flights
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Chiang Mai to Portland flights
Suvarnabhumi to Pasco 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 2,558,603 searches. Data last updated febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest$622Average$783FlexibilityNo cancel feeOn-time76%
EVA AirCheapest$788Average$1,101FlexibilityNo cancel feeOn-time74%
Korean AirCheapest$802Average$1,044FlexibilityNo cancel feeOn-time81%
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