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Cheap flights from Seattle to Chiang Mai from $427

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Chiang Mai

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:30 pm - 10:45 pmSEA  Seattle/Tacoma Intl-CNX Chiang Mai
19h 15m1 stop Incheon Intl
Delta Logo
12:20 am - 11:56 amCNX  Chiang Mai-SEA Seattle/Tacoma Intl
26h 36m1 stop Incheon Intl
$811Delta
Mon, Nov 9 - Sun, Dec 6
Korean Air Logo
11:00 am - 10:45 pmSEA  Seattle/Tacoma Intl-CNX Chiang Mai
20h 45m1 stop Incheon Intl
Korean Air Logo
12:20 am - 2:10 pmCNX  Chiang Mai-SEA Seattle/Tacoma Intl
28h 50m1 stop Incheon Intl
$846Korean Air
Mon, Jan 18 - Sun, Jan 31
Delta Logo
12:50 pm - 10:45 pmSEA  Seattle/Tacoma Intl-CNX Chiang Mai
18h 55m1 stop Incheon Intl
Delta Logo
12:20 am - 11:50 amCNX  Chiang Mai-SEA Seattle/Tacoma Intl
26h 30m1 stop Incheon Intl
$869Delta
Tue, Feb 9 - Mon, Feb 22
Delta Logo
12:50 pm - 10:45 pmSEA  Seattle/Tacoma Intl-CNX Chiang Mai
18h 55m1 stop Incheon Intl
Delta Logo
12:20 am - 11:50 amCNX  Chiang Mai-SEA Seattle/Tacoma Intl
26h 30m1 stop Incheon Intl
$869Delta
Mon, Feb 8 - Wed, Feb 24
Korean Air Logo
11:00 am - 10:45 pmSEA  Seattle/Tacoma Intl-CNX Chiang Mai
20h 45m1 stop Incheon Intl
Korean Air Logo
12:20 am - 2:10 pmCNX  Chiang Mai-SEA Seattle/Tacoma Intl
28h 50m1 stop Incheon Intl
$872Korean Air
Mon, Feb 8 - Tue, Feb 23
Korean Air Logo
12:10 am - 10:45 pmSEA  Seattle/Tacoma Intl-CNX Chiang Mai
31h 35m1 stop Incheon Intl
Korean Air Logo
12:20 am - 2:10 pmCNX  Chiang Mai-SEA Seattle/Tacoma Intl
28h 50m1 stop Incheon Intl
$872Korean Air
Wed, Feb 10 - Tue, Feb 23
EVA Air Logo
11:30 pm - 10:35 amSEA  Seattle/Tacoma Intl-CNX Chiang Mai
20h 05m1 stop Taipei City Taiwan Taoyuan Intl
EVA Air Logo
11:50 am - 6:10 pmCNX  Chiang Mai-SEA Seattle/Tacoma Intl
21h 20m1 stop Taipei City Taiwan Taoyuan Intl
$917EVA Air
Tue, Feb 9 - Fri, Feb 26
EVA Air Logo
1:10 am - 10:35 amSEA  Seattle/Tacoma Intl-CNX Chiang Mai
19h 25m1 stop Taipei City Taiwan Taoyuan Intl
EVA Air Logo
11:50 am - 6:10 pmCNX  Chiang Mai-SEA Seattle/Tacoma Intl
21h 20m1 stop Taipei City Taiwan Taoyuan Intl
$917EVA Air
Sat, Oct 31 - Mon, Nov 23
China Airlines Logo
1:10 am - 10:25 amSEA  Seattle/Tacoma Intl-CNX Chiang Mai
19h 15m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
11:25 am - 7:10 pmCNX  Chiang Mai-SEA Seattle/Tacoma Intl
21h 45m1 stop Taipei City Taiwan Taoyuan Intl
$1,008China Airlines
Mon, Mar 22 - Thu, Mar 25
China Airlines Logo
1:10 am - 10:25 amSEA  Seattle/Tacoma Intl-CNX Chiang Mai
19h 15m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
11:25 am - 7:10 pmCNX  Chiang Mai-SEA Seattle/Tacoma Intl
21h 45m1 stop Taipei City Taiwan Taoyuan Intl
$1,073China Airlines
Mon, Mar 22 - Thu, Mar 25

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Korean Air flights from Seattle to Chiang Mai

Our best Korean Air deals on Seattle to Chiang Mai flight tickets
Korean Air
Jan 18
SEA11:00 amSeattle/Tacoma Intl
20h 45m
1 stop
CNX10:45 pmChiang Mai
Jan 31
CNX12:20 amChiang Mai
28h 50m
1 stop
SEA2:10 pmSeattle/Tacoma Intl
$846
Korean Air
Jan 27
SEA11:00 amSeattle/Tacoma Intl
20h 45m
1 stop
CNX10:45 pmChiang Mai
Feb 10
CNX12:20 amChiang Mai
23h 45m
1 stop
SEA9:05 amSeattle/Tacoma Intl
$872
Korean Air
Jan 25
SEA11:00 amSeattle/Tacoma Intl
20h 45m
1 stop
CNX10:45 pmChiang Mai
Feb 1
CNX12:20 amChiang Mai
23h 45m
1 stop
SEA9:05 amSeattle/Tacoma Intl
$873

Cathay Pacific flights from Seattle to Chiang Mai

Our best Cathay Pacific deals on Seattle to Chiang Mai flight tickets
Cathay Pacific
Nov 3
SEA10:25 amSeattle/Tacoma Intl
32h 25m
1 stop
CNX9:50 amChiang Mai
Nov 9
CNX10:35 amChiang Mai
37h 10m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$873
Cathay Pacific
Jan 12
SEA10:25 amSeattle/Tacoma Intl
32h 25m
1 stop
CNX9:50 amChiang Mai
Mar 8
CNX10:35 amChiang Mai
37h 10m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$911
Cathay Pacific
Oct 24
SEA11:45 amSeattle/Tacoma Intl
32h 05m
1 stop
CNX9:50 amChiang Mai
Nov 17
CNX10:35 amChiang Mai
37h 10m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$925

momondo Fare Finder

 
Use the filters below to find and compare flights from Seattle to Chiang Mai that are best for you.

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Price

Cheapest round-trip

SeattleChiang Mai

SEA Seattle/Tacoma Intl - CNX Chiang Mai

SEACNX

Seattle/Tacoma Intl

Mon 11/9

12:30 pm-10:45 pm

1 stop19h 15m

Chiang Mai

Sun 12/6

12:20 am-11:56 am

1 stop26h 36m

$811

SeattleChiang Mai

SEA Seattle/Tacoma Intl - CNX Chiang Mai

SEACNX

Seattle/Tacoma Intl

Mon 1/18

11:00 am-10:45 pm

1 stop20h 45m

Chiang Mai

Sun 1/31

12:20 am-2:10 pm

1 stop28h 50m

$846

SeattleChiang Mai

SEA Seattle/Tacoma Intl - CNX Chiang Mai

SEACNX

Seattle/Tacoma Intl

Tue 2/9

12:50 pm-10:45 pm

1 stop18h 55m

Chiang Mai

Mon 2/22

12:20 am-11:50 am

1 stop26h 30m

$869

SeattleChiang Mai

SEA Seattle/Tacoma Intl - CNX Chiang Mai

SEACNX

Seattle/Tacoma Intl

Mon 2/8

12:50 pm-10:45 pm

1 stop18h 55m

Chiang Mai

Wed 2/24

12:20 am-11:50 am

1 stop26h 30m

$869

SeattleChiang Mai

SEA Seattle/Tacoma Intl - CNX Chiang Mai

SEACNX

Seattle/Tacoma Intl

Mon 2/8

11:00 am-10:45 pm

1 stop20h 45m

Chiang Mai

Tue 2/23

12:20 am-2:10 pm

1 stop28h 50m

$872

SeattleChiang Mai

SEA Seattle/Tacoma Intl - CNX Chiang Mai

SEACNX

Seattle/Tacoma Intl

Wed 2/10

12:10 am-10:45 pm

1 stop31h 35m

Chiang Mai

Tue 2/23

12:20 am-2:10 pm

1 stop28h 50m

$872

SeattleChiang Mai

SEA Seattle/Tacoma Intl - CNX Chiang Mai

SEACNX

Seattle/Tacoma Intl

Tue 2/9

11:30 pm-10:35 am

1 stop20h 05m

Chiang Mai

Fri 2/26

11:50 am-6:10 pm

1 stop21h 20m

$917
Quickest round-trip

SeattleChiang Mai

SEA Seattle/Tacoma Intl - CNX Chiang Mai

SEACNX

Seattle/Tacoma Intl

Sat 10/31

1:10 am-10:35 am

1 stop19h 25m

Chiang Mai

Mon 11/23

11:50 am-6:10 pm

1 stop21h 20m

$917

SeattleChiang Mai

SEA Seattle/Tacoma Intl - CNX Chiang Mai

SEACNX

Seattle/Tacoma Intl

Mon 3/22

1:10 am-10:25 am

1 stop19h 15m

Chiang Mai

Thu 3/25

11:25 am-7:10 pm

1 stop21h 45m

$1,008

SeattleChiang Mai

SEA Seattle/Tacoma Intl - CNX Chiang Mai

SEACNX

Seattle/Tacoma Intl

Mon 3/22

1:10 am-10:25 am

1 stop19h 15m

Chiang Mai

Thu 3/25

11:25 am-7:10 pm

1 stop21h 45m

$1,073

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chiang Mai from

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

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

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

Prices are currently low for flights on this route.

Typical prices usually range from $900 to $1,038.
The lowest price recently found on this route was $811.

What is the cheapest month to fly to Chiang Mai?

If you don’t want to visit Chiang Mai in February, then you should wait until April to fly from Seattle, when ticket prices are also cheap, with an average price of $867.

How far in advance should I book a flight from Seattle to Chiang Mai?

You are more likely to see cheaper flights to Chiang Mai from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Chiang Mai for around $1,130 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chiang Mai from Seattle for as low as $838 on momondo.

Can stopping save me money on Seattle to Chiang Mai flights?

You could potentially save up to 1% on your flight if you consider stops on a Seattle to Chiang Mai flight.

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

When to book flights from Seattle to Chiang Mai

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

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

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

Best Price Found

$427

Fastest flight time

21h 58m

Direct flights

None
The best one-way flight to Chiang Mai from Seattle in the past 72 hours is $427. The best round-trip flight deal from Seattle to Chiang Mai found on momondo in the last 72 hours is $811.
The fastest flight from Seattle to Chiang Mai takes 21h 58m
There are no direct flights from Seattle to Chiang Mai. There are no popular flight routes from Seattle to Chiang Mai.
Search flight deals

Frequently asked questions about flying from Seattle to Chiang Mai

  • How far is Seattle/Tacoma Intl to Chiang Mai by plane?

    The distance between Seattle/Tacoma Intl and Chiang Mai is about 7178.6 mi. 21h 58m is a normal flight duration for this route.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Chiang Mai Airport refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Chiang Mai Airport.

  • What documentation or ID do you need to fly to Chiang Mai Airport?

    The necessary travel and health documents for your Chiang Mai Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Chiang Mai?

Best airlines flying from Seattle to Chiang Mai

Compare and see reviews for airlines that fly from Seattle to Chiang Mai with momondo
Airline
Rating
Free Cancellation
Price
Korean AirPriceFrom $752Free CancellationRating
8.4
1,218 reviews
Search Korean Air flights
China AirlinesPriceFrom $800Free CancellationRating
8.3
853 reviews
Search China Airlines flights
EVA AirPriceFrom $813Free CancellationRating
8.5
1,550 reviews
Search EVA Air flights

Why use momondo?

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

Finding the right flight to Chiang Mai from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chiang Mai quick and easy, saving you time and money.

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

Flights from Seattle to Chiang Mai 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 Seattle to Chiang Mai?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Chiang Mai.

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

Price alerts on flights to Chiang Mai from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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