What is the cheapest airline that flies from Chiang Mai to Seattle/Tacoma Intl?

China Airlines, Qatar Airways, and STARLUX Airlines are the most popular carriers operating from Chiang Mai to Seattle/Tacoma Intl

When did momondo last update prices for flights from Chiang Mai Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Chiang Mai Airport to Seattle/Tacoma Intl Airport were last updated today.

How many operators does momondo search for flights from Chiang Mai Airport to Seattle/Tacoma Intl Airport?

As of April 2026, there are 2 operators available to choose from for flights from Chiang Mai Airport to Seattle/Tacoma Intl Airport.

How old do you have to be to fly from Chiang Mai Airport to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chiang Mai Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$525 Cheap Flights from Chiang Mai to Seattle in 2026

Q: What is the typical price of a round-trip flight between Chiang Mai and Seattle?

Prices are currently low for flights on this route. Typical prices usually range from $1,056 to $1,045. The lowest price recently found on this route was $948.

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Find the cheapest flights from Chiang Mai to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:30 am - 2:22 pm

CNX

SEA

40h 52m

2 stops

10:30 am - 4:35 pm

SEA

CNX

40h 05m

2 stops

$948Air Canada

Wed, Oct 14 - Sun, Oct 18

11:30 am - 2:22 pm

CNX

SEA

40h 52m

2 stops

7:20 pm - 4:35 pm

SEA

CNX

31h 15m

2 stops

$960Air Canada

Wed, Oct 14 - Sun, Oct 18

11:20 am - 7:15 pm

CNX

SEA

21h 55m

1 stop

1:55 am - 10:20 am

SEA

CNX

18h 25m

1 stop

$970China Airlines

Sun, Jun 21 - Sun, Aug 30

5:20 pm - 4:10 pm

CNX

SEA

36h 50m

1 stop

1:15 am - 4:20 pm

SEA

CNX

25h 05m

1 stop

$975STARLUX Airlines

Tue, Jun 23 - Sun, Aug 30

11:20 am - 7:45 pm

CNX

SEA

22h 25m

1 stop

1:55 am - 10:20 am

SEA

CNX

18h 25m

1 stop

$983China Airlines

Sun, Jul 5 - Mon, Sep 7

11:30 am - 10:07 am

CNX

SEA

36h 37m

2 stops

3:00 pm - 11:15 am

SEA

CNX

30h 15m

2 stops

$987Multiple Airlines

Wed, Jun 24 - Mon, Aug 31

5:20 pm - 4:10 pm

CNX

SEA

36h 50m

1 stop

1:15 am - 4:20 pm

SEA

CNX

25h 05m

1 stop

$999STARLUX Airlines

Tue, May 5 - Sun, Jul 12

5:20 pm - 4:10 pm

CNX

SEA

36h 50m

1 stop

1:15 am - 4:20 pm

SEA

CNX

25h 05m

1 stop

$1,011STARLUX Airlines

Sat, Jun 27 - Sun, Aug 30

5:35 pm - 10:48 pm

CNX

SEA

43h 13m

2 stops

3:00 pm - 4:35 pm

SEA

CNX

35h 35m

2 stops

$1,018Air Canada

Mon, Jul 6 - Sun, Sep 13

1:30 pm - 2:22 pm

CNX

SEA

38h 52m

2 stops

7:20 pm - 4:35 pm

SEA

CNX

31h 15m

2 stops

$1,019Air Canada

Mon, Jun 22 - Sun, Aug 30

Air Canada flights from Chiang Mai to Seattle

Our best Air Canada deals on Chiang Mai to Seattle flight tickets

Air Canada

Oct 14

CNX11:30 amChiang Mai

40h 52m

2 stops

SEA2:22 pmSeattle/Tacoma Intl

Oct 18

SEA10:30 amSeattle/Tacoma Intl

40h 05m

2 stops

CNX4:35 pmChiang Mai

$948

Air Canada

Oct 14

CNX11:30 amChiang Mai

40h 52m

2 stops

SEA2:22 pmSeattle/Tacoma Intl

Oct 18

SEA7:20 pmSeattle/Tacoma Intl

31h 15m

2 stops

CNX4:35 pmChiang Mai

$960

Air Canada

Jul 6

CNX5:35 pmChiang Mai

43h 13m

2 stops

SEA10:48 pmSeattle/Tacoma Intl

Sep 13

SEA3:00 pmSeattle/Tacoma Intl

35h 35m

2 stops

CNX4:35 pmChiang Mai

$1,018

China Airlines flights from Chiang Mai to Seattle

Our best China Airlines deals on Chiang Mai to Seattle flight tickets

China Airlines

Jun 21

CNX11:20 amChiang Mai

21h 55m

1 stop

SEA7:15 pmSeattle/Tacoma Intl

Aug 30

SEA1:55 amSeattle/Tacoma Intl

18h 25m

1 stop

CNX10:20 amChiang Mai

$970

China Airlines

Jul 5

CNX11:20 amChiang Mai

22h 25m

1 stop

SEA7:45 pmSeattle/Tacoma Intl

Sep 8

SEA1:55 amSeattle/Tacoma Intl

18h 25m

1 stop

CNX10:20 amChiang Mai

$983

China Airlines

Jul 9

CNX11:20 amChiang Mai

22h 25m

1 stop

SEA7:45 pmSeattle/Tacoma Intl

Sep 7

SEA1:55 amSeattle/Tacoma Intl

18h 25m

1 stop

CNX10:20 amChiang Mai

$1,036

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 10/14

11:30 am-2:22 pm

2 stops40h 52m

Seattle/Tacoma Intl

Sun 10/18

10:30 am-4:35 pm

2 stops40h 05m

$948

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 10/14

11:30 am-2:22 pm

2 stops40h 52m

Seattle/Tacoma Intl

Sun 10/18

7:20 pm-4:35 pm

2 stops31h 15m

$960

Quickest round-trip

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sun 6/21

11:20 am-7:15 pm

1 stop21h 55m

Seattle/Tacoma Intl

Sun 8/30

1:55 am-10:20 am

1 stop18h 25m

$970

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 6/23

5:20 pm-4:10 pm

1 stop36h 50m

Seattle/Tacoma Intl

Sun 8/30

1:15 am-4:20 pm

1 stop25h 05m

$975

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sun 7/5

11:20 am-7:45 pm

1 stop22h 25m

Seattle/Tacoma Intl

Mon 9/7

1:55 am-10:20 am

1 stop18h 25m

$983

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 6/24

11:30 am-10:07 am

2 stops36h 37m

Seattle/Tacoma Intl

Mon 8/31

3:00 pm-11:15 am

2 stops30h 15m

$987

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 5/5

5:20 pm-4:10 pm

1 stop36h 50m

Seattle/Tacoma Intl

Sun 7/12

1:15 am-4:20 pm

1 stop25h 05m

$999

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sat 6/27

5:20 pm-4:10 pm

1 stop36h 50m

Seattle/Tacoma Intl

Sun 8/30

1:15 am-4:20 pm

1 stop25h 05m

$1,011

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Mon 7/6

5:35 pm-10:48 pm

2 stops43h 13m

Seattle/Tacoma Intl

Sun 9/13

3:00 pm-4:35 pm

2 stops35h 35m

$1,018

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Mon 6/22

1:30 pm-2:22 pm

2 stops38h 52m

Seattle/Tacoma Intl

Sun 8/30

7:20 pm-4:35 pm

2 stops31h 15m

$1,019

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chiang Mai to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Chiang Mai and Seattle?

How have Chiang Mai to Seattle flight prices changed over time?

As of April 2026, prices for Chiang Mai to Seattle flights are approximately 13% cheaper when compared to flights at the same time last year.

When to book flights from Chiang Mai to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Chiang Mai to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chiang Mai to Seattle (CNX to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chiang Mai to Seattle

Fastest flight time	20h 00m
Direct flights	None

The fastest flight from Chiang Mai to Seattle takes 20h 00m

There are no direct flights from Chiang Mai to Seattle. There are no popular flight routes from Chiang Mai to Seattle.

Search flight deals

Frequently asked questions about flying from Chiang Mai to Seattle

How far is Chiang Mai to Seattle/Tacoma Intl by plane?
Seattle/Tacoma Intl is 7178.6 mi away from Chiang Mai. 20h 00m is a normal flight duration for this route.
When did momondo last update prices for flights from Chiang Mai Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Chiang Mai Airport to Seattle/Tacoma Intl Airport were last updated today.
How many operators does momondo search for flights from Chiang Mai Airport to Seattle/Tacoma Intl Airport?
As of April 2026, there are 2 operators available to choose from for flights from Chiang Mai Airport to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Chiang Mai Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chiang Mai Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Chiang Mai to Seattle?
momondo data reveals that the most frequently booked airline on the route from Chiang Mai to Seattle is Korean Air, representing 59% of all bookings. The subsequent popular airline is China Airlines at 41%.

Best airlines flying from Chiang Mai to Seattle

Compare and see reviews for airlines that fly from Chiang Mai to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Korean Air	PriceFrom $793	Free Cancellation	Rating 8.4 1,208 reviews		Search Korean Air flights
China Airlines	PriceFrom $902	Free Cancellation	Rating 8.3 817 reviews		Search China Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Redmond

Marysville

Lakewood

Tukwila

Puyallup

Cle Elum

Federal Way

Centralia

Fife

Westport

Shoreline

Tumwater

Why use momondo?

Why should I use momondo to find a flight deal from Chiang Mai to Seattle?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chiang Mai to Seattle. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Chiang Mai to Seattle with flexible booking policies on momondo?

Flights from Chiang Mai to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Chiang Mai to Seattle?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Chiang Mai.

I’m not ready to book a flight from Chiang Mai to Seattle right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Chiang Mai to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.