How long is the flight from Chiang Mai to Seattle?

A quick flight from Chiang Mai to Seattle can take about 23h 45m. STARLUX Airlines provides one of the quickest options available for as low as ฿29,413. The distance from Chiang Mai to Seattle is about 11571 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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.

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).

What is the cheapest time of day to fly from CNX to SEA?

When flying from Chiang Mai to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

฿17,365+ Cheap Flights from Chiang Mai to Seattle

Cheap flight deals from Chiang Mai to Seattle

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 8 October 2026.

Sun 20/1217:15 -

1 stop36h 50m

Thu 31/1223:45 -

1 stop25h 15m

Deal found 6/10฿29,009

Sun 22/1117:15 -

1 stop36h 50m

Sun 29/1123:45 -

1 stop25h 15m

Deal found 8/10฿29,043

Sat 19/1217:15 -

1 stop36h 50m

Thu 31/1223:45 -

1 stop25h 15m

Deal found 6/10฿29,177

Sun 25/1000:20 -

1 stop23h 45m

Mon 9/1111:00 -

1 stop20h 45m

Deal found 7/10฿29,413

Thu 17/1217:15 -

1 stop36h 50m

Mon 28/1223:45 -

1 stop25h 15m

Deal found 6/10฿30,254

Wed 4/1100:20 -

1 stop23h 45m

Sun 8/1100:10 -

1 stop31h 35m

Deal found 7/10฿30,355

Mon 26/1009:30 -

2 stops23h 40m

Sun 8/1100:10 -

1 stop19h 25m

Deal found 7/10฿31,499

Sat 19/1210:10 -

2 stops22h 20m

Tue 29/1200:10 -

1 stop19h 25m

Deal found 6/10฿31,668

Sun 22/1111:50 -

1 stop21h 20m

Sat 28/1100:10 -

2 stops27h 50m

Deal found 8/10฿31,802

Tue 17/1119:45 -

2 stops34h 20m

Tue 24/1123:45 -

1 stop25h 15m

Deal found 3/10฿32,038

Find flight deals from Chiang Mai to Seattle

Round-trip from	฿29,009
One-way from	฿17,365

STARLUX Airlines
20/12-31/12
2 total stops
62h 05m total
Chiang Mai to Seattle

Search Deals

STARLUX Airlines
22/12-31/12
1 total stop
36h 50m total
Chiang Mai to Seattle

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Chiang MaiSeattle

CNX Chiang Mai - SEA Seattle/Tacoma Intl

CNXSEA

Chiang Mai

Tue 22/12

17:15-15:05

1 stop36h 50m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,365

Chiang MaiSeattle

CNX Chiang Mai - SEA Seattle/Tacoma Intl

CNXSEA

Chiang Mai

Thu 19/11

17:15-15:05

1 stop36h 50m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,365

Fastest return journey

Chiang MaiSeattle

CNX Chiang Mai - SEA Seattle/Tacoma Intl

CNXSEA

Chiang Mai

Mon 21/12

00:20-11:56

1 stop26h 36m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,836

Chiang MaiSeattle

CNX Chiang Mai - SEA Seattle/Tacoma Intl

CNXSEA

Chiang Mai

Thu 24/12

00:20-11:56

1 stop26h 36m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,836

Chiang MaiSeattle

CNX Chiang Mai - SEA Seattle/Tacoma Intl

CNXSEA

Chiang Mai

Thu 24/12

00:20-14:10

1 stop28h 50m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,870

Chiang MaiSeattle

CNX Chiang Mai - SEA Seattle/Tacoma Intl

CNXSEA

Chiang Mai

Mon 21/12

00:20-14:10

1 stop28h 50m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,870

Chiang MaiSeattle

CNX Chiang Mai - SEA Seattle/Tacoma Intl

CNXSEA

Chiang Mai

Wed 18/11

00:20-23:53

2 stops38h 33m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿19,788

Chiang MaiSeattle

CNX Chiang Mai - SEA Seattle/Tacoma Intl

CNXSEA

Chiang Mai

Wed 4/11

00:20-09:05

1 stop23h 45m

Seattle/Tacoma Intl

Sun 8/11

00:10-22:45

1 stop31h 35m

฿30,355

Chiang MaiSeattle

CNX Chiang Mai - SEA Seattle/Tacoma Intl

CNXSEA

Chiang Mai

Sun 22/11

11:50-18:10

1 stop21h 20m

Seattle/Tacoma Intl

Sat 28/11

00:10-19:00

2 stops27h 50m

฿31,802

Chiang MaiSeattle

CNX Chiang Mai - SEA Seattle/Tacoma Intl

CNXSEA

Chiang Mai

Tue 17/11

19:45-15:05

2 stops34h 20m

Seattle/Tacoma Intl

Tue 24/11

23:45-16:00

1 stop25h 15m

฿32,038

Flights are sorted by cheapest return flights first.

Deals found on 5/10

Showing 1-10 of 15 resultsSorted by cheapest first

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.

CNX-SEA

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.

Related info for your journey

How long is the flight from Chiang Mai to Seattle?
A quick flight from Chiang Mai to Seattle can take about 23h 45m. STARLUX Airlines provides one of the quickest options available for as low as ฿29,413. The distance from Chiang Mai to Seattle is about 11571 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
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.

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Can Cheapflights find flights from Chiang Mai to Seattle with no change fees?

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Cheap flights from Chiang Mai to Seattle from ฿17,365

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Chiang Mai to Seattle

Cheapest flights from Chiang Mai to SeattleExplore 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 8 October 2026.

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 8 October 2026.

Best flights from Chiang Mai to SeattleDiscover carefully curated flight deals from Chiang Mai to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 October 2026.

Discover carefully curated flight deals from Chiang Mai to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 October 2026.

Last-minute flights from Chiang Mai to SeattleDiscover last-minute flight deals from Chiang Mai to Seattle. Data last updated 8 October 2026 and is based on user searches.

Discover last-minute flight deals from Chiang Mai to Seattle. Data last updated 8 October 2026 and is based on user searches.

One-way flights from Chiang Mai to SeattleSearch for one-way flight options from Chiang Mai to Seattle. Find affordable one-way fares based on user searches. Data last updated 8 October 2026.

Search for one-way flight options from Chiang Mai to Seattle. Find affordable one-way fares based on user searches. Data last updated 8 October 2026.

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Best time to book a flight from Chiang Mai to Seattle

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Related info for your journey

How long is the flight from Chiang Mai to Seattle?

Can I find deals for flights from Chiang Mai to Seattle that include hotel bookings?

How can I find direct flights from Chiang Mai to Seattle?

Can I find deals for business class flights from Chiang Mai to Seattle?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Chiang Mai to Seattle

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Complete your trip

Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Chiang Mai to Seattle by cabin class

Find flights from Chiang Mai to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Chiang Mai and Seattle flights

Browse other Chiang Mai and Seattle flight options. Last updated on 8 October 2026.

Other flights from Chiang Mai

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How does Cheapflights help users find flights from Chiang Mai to Seattle?

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Can Cheapflights notify me if prices for flights from Chiang Mai to Seattle become cheaper?

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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 8 October 2026.

Best flights from Chiang Mai to Seattle
Discover carefully curated flight deals from Chiang Mai to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 October 2026.

Last-minute flights from Chiang Mai to Seattle
Discover last-minute flight deals from Chiang Mai to Seattle. Data last updated 8 October 2026 and is based on user searches.

One-way flights from Chiang Mai to Seattle
Search for one-way flight options from Chiang Mai to Seattle. Find affordable one-way fares based on user searches. Data last updated 8 October 2026.