What airlines fly to Seattle?

Korean Air, China Airlines and EVA Air are the top three most popular airlines that fly to Seattle from Chiang Mai according to our data. Korean Air is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

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

China Airlines 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 June 2026, there are 3 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.

$501 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 $940 to $750. The lowest price recently found on this route was $861.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chiang Mai to Seattle

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:20 pm - 4:35 pm

CNX

SEA

37h 15m

1 stop

1:15 am - 4:20 pm

SEA

CNX

25h 05m

1 stop

$861STARLUX Airlines

Thu, Jul 9 - Tue, Jul 14

11:30 am - 10:42 pm

CNX

SEA

49h 12m

2 stops

5:40 am - 4:35 pm

SEA

CNX

44h 55m

2 stops

$970Air Canada

Fri, Oct 16 - Tue, Oct 20

8:00 pm - 7:50 pm

CNX

SEA

37h 50m

2 stops

1:30 am - 10:25 am

SEA

CNX

18h 55m

1 stop

$973EVA Air

Fri, Jul 10 - Wed, Sep 9

8:00 pm - 7:10 pm

CNX

SEA

37h 10m

2 stops

1:30 am - 10:25 am

SEA

CNX

18h 55m

1 stop

$974EVA Air

Fri, Jul 10 - Wed, Sep 9

1:40 pm - 7:50 pm

CNX

SEA

20h 10m

2 stops

1:30 am - 10:25 am

SEA

CNX

18h 55m

1 stop

$976Multiple Airlines

Wed, Jul 8 - Wed, Sep 9

8:00 pm - 7:50 pm

CNX

SEA

37h 50m

2 stops

1:30 am - 10:25 am

SEA

CNX

18h 55m

1 stop

$977EVA Air

Wed, Jul 8 - Wed, Sep 9

8:00 pm - 7:50 pm

CNX

SEA

37h 50m

2 stops

1:30 am - 10:25 am

SEA

CNX

18h 55m

1 stop

$978EVA Air

Wed, Jul 8 - Wed, Sep 9

5:20 pm - 4:35 pm

CNX

SEA

37h 15m

1 stop

8:42 pm - 4:20 pm

SEA

CNX

29h 38m

2 stops

$993Multiple Airlines

Thu, Jul 9 - Wed, Jul 15

11:35 am - 7:50 pm

CNX

SEA

22h 15m

1 stop

1:30 am - 10:25 am

SEA

CNX

18h 55m

1 stop

$1,001EVA Air

Wed, Jul 8 - Wed, Sep 9

11:35 am - 7:50 pm

CNX

SEA

22h 15m

1 stop

1:30 am - 10:25 am

SEA

CNX

18h 55m

1 stop

$1,002EVA Air

Wed, Jul 8 - Wed, Sep 9

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STARLUX Airlines flights from Chiang Mai to Seattle

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

STARLUX Airlines

Jul 9

CNX5:20 pmChiang Mai

37h 15m

1 stop

SEA4:35 pmSeattle/Tacoma Intl

Jul 14

SEA1:15 amSeattle/Tacoma Intl

25h 05m

1 stop

CNX4:20 pmChiang Mai

$861

STARLUX Airlines

Jul 23

CNX5:20 pmChiang Mai

37h 15m

1 stop

SEA4:35 pmSeattle/Tacoma Intl

Sep 22

SEA1:15 amSeattle/Tacoma Intl

25h 05m

1 stop

CNX4:20 pmChiang Mai

$1,085

China Airlines flights from Chiang Mai to Seattle

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

China Airlines

Aug 6

CNX11:20 amChiang Mai

22h 25m

1 stop

SEA7:45 pmSeattle/Tacoma Intl

Sep 29

SEA1:15 amSeattle/Tacoma Intl

19h 05m

1 stop

CNX10:20 amChiang Mai

$1,018

China Airlines

Aug 6

CNX11:20 amChiang Mai

22h 25m

1 stop

SEA7:45 pmSeattle/Tacoma Intl

Sep 29

SEA1:15 amSeattle/Tacoma Intl

19h 05m

1 stop

CNX10:20 amChiang Mai

$1,020

China Airlines

Aug 6

CNX11:20 amChiang Mai

22h 25m

1 stop

SEA7:45 pmSeattle/Tacoma Intl

Sep 29

SEA1:15 amSeattle/Tacoma Intl

19h 05m

1 stop

CNX10:20 amChiang Mai

$1,021

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 7/9

5:20 pm-4:35 pm

1 stop37h 15m

Seattle/Tacoma Intl

Tue 7/14

1:15 am-4:20 pm

1 stop25h 05m

$861

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Fri 10/16

11:30 am-10:42 pm

2 stops49h 12m

Seattle/Tacoma Intl

Tue 10/20

5:40 am-4:35 pm

2 stops44h 55m

$970

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Fri 7/10

8:00 pm-7:50 pm

2 stops37h 50m

Seattle/Tacoma Intl

Wed 9/9

1:30 am-10:25 am

1 stop18h 55m

$973

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Fri 7/10

8:00 pm-7:10 pm

2 stops37h 10m

Seattle/Tacoma Intl

Wed 9/9

1:30 am-10:25 am

1 stop18h 55m

$974

Quickest round-trip

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 7/8

1:40 pm-7:50 pm

2 stops20h 10m

Seattle/Tacoma Intl

Wed 9/9

1:30 am-10:25 am

1 stop18h 55m

$976

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 7/8

8:00 pm-7:50 pm

2 stops37h 50m

Seattle/Tacoma Intl

Wed 9/9

1:30 am-10:25 am

1 stop18h 55m

$977

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 7/8

8:00 pm-7:50 pm

2 stops37h 50m

Seattle/Tacoma Intl

Wed 9/9

1:30 am-10:25 am

1 stop18h 55m

$978

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 7/9

5:20 pm-4:35 pm

1 stop37h 15m

Seattle/Tacoma Intl

Wed 7/15

8:42 pm-4:20 pm

2 stops29h 38m

$993

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 7/8

11:35 am-7:50 pm

1 stop22h 15m

Seattle/Tacoma Intl

Wed 9/9

1:30 am-10:25 am

1 stop18h 55m

$1,001

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 7/8

11:35 am-7:50 pm

1 stop22h 15m

Seattle/Tacoma Intl

Wed 9/9

1:30 am-10:25 am

1 stop18h 55m

$1,002

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?

What is the cheapest month to fly to Seattle?

In general, October is the cheapest month to fly from Chiang Mai to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you don’t want to visit Seattle in October, then you should wait until January to fly from Chiang Mai, when ticket prices are also cheap, with an average price of $0.

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

As of June 2026, prices for Chiang Mai to Seattle flights are approximately 10% 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	21h 55m
Direct flights	None

The fastest flight from Chiang Mai to Seattle takes 21h 55m

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. 21h 55m 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 June 2026, there are 3 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 38% of all bookings. The subsequent popular airlines are China Airlines at 34% and EVA Air at 28%.

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
EVA Air	PriceFrom $770	Free Cancellation	Rating 8.5 1,470 reviews	Search EVA Air flights
Korean Air	PriceFrom $814	Free Cancellation	Rating 8.4 1,218 reviews	Search Korean Air flights
China Airlines	PriceFrom $902	Free Cancellation	Rating 8.3 828 reviews	Search China Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Redmond

Kent

Lakewood

Puyallup

Tukwila

Marysville

Cle Elum

Federal Way

Fife

Centralia

Shoreline

Westport

Kirkland

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.