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Cheap flights from Seattle to Chiang Mai from $450

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Chiang Mai departing on 3/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seattle to Chiang Mai

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Chiang Mai that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to Chiang Mai.

Cheap last minute flights

Planning a quick getaway from Seattle to Chiang Mai? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Chiang Mai, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to Chiang Mai

Find recent round-trip train or bus tickets from Seattle to Chiang Mai.

All round-trip flight deals from Seattle to Chiang Mai

The cheapest plane tickets from Seattle to Chiang Mai found on KAYAK recently.
1:45 pm - 11:05 pmSEA-CNX
19h 20m1 stop
12:45 am - 12:30 pmCNX-SEA
25h 45m1 stop
$660Asiana Airlines
Find Deal
Mon, Mar 10 - Mon, Apr 28
12:45 pm - 11:05 pmSEA-CNX
19h 20m1 stop
12:25 am - 11:55 amCNX-SEA
25h 30m1 stop
$663Asiana Airlines
Find Deal
Mon, Feb 24 - Wed, Mar 26
12:45 pm - 11:05 pmSEA-CNX
19h 20m1 stop
12:25 am - 10:55 amCNX-SEA
25h 30m1 stop
$679Asiana Airlines
Find Deal
Wed, Feb 26 - Thu, Mar 6
11:00 am - 11:05 pmSEA-CNX
21h 05m1 stop
11:15 pm - 10:40 amCNX-SEA
25h 25m1 stop
$792Korean Air
Find Deal
Wed, Mar 5 - Mon, Apr 7
12:00 pm - 2:05 pmSEA-CNX
36h 05m1 stop
3:20 pm - 10:00 amCNX-SEA
32h 40m1 stop
$819Korean Air
Find Deal
Sun, Mar 9 - Sun, Mar 16
1:10 am - 10:20 amSEA-CNX
19h 10m1 stop
11:20 am - 7:30 pmCNX-SEA
22h 10m1 stop
$840China Airlines
Find Deal
Sun, Apr 6 - Tue, Apr 15
12:10 am - 10:25 amSEA-CNX
19h 15m1 stop
11:20 am - 7:30 pmCNX-SEA
22h 10m1 stop
$869China Airlines
Find Deal
Sun, Mar 2 - Tue, Apr 8
1:10 am - 6:55 pmSEA-CNX
27h 45m2 stops
11:35 am - 7:30 pmCNX-SEA
21h 55m1 stop
$908EVA Air
Find Deal
Tue, Mar 18 - Tue, Apr 8
11:50 pm - 6:55 pmSEA-CNX
29h 05m2 stops
11:35 am - 7:30 pmCNX-SEA
21h 55m1 stop
$909EVA Air
Find Deal
Thu, Mar 20 - Thu, Apr 3
10:44 am - 2:05 pmSEA-CNX
36h 21m1 stop
3:20 pm - 1:40 pmCNX-SEA
37h 20m1 stop
$1,019Delta
Find Deal
Fri, Feb 28 - Sun, Mar 9
1:45 pm - 11:05 pmSEA-CNX
19h 20m1 stop
$450Asiana Airlines
Find Deal
Mon, Mar 17
1:45 pm - 11:55 amSEA-CNX
32h 10m2 stops
Tue, Mar 18
1:45 pm - 7:30 amSEA-CNX
27h 45m2 stops
Mon, Mar 17
12:00 pm - 2:05 pmSEA-CNX
36h 05m1 stop
$473Korean Air
Find Deal
Wed, Mar 19
1:58 pm - 8:30 amSEA-CNX
51h 32m2 stops
Mon, Feb 3
1:05 am - 4:15 pmSEA-CNX
25h 10m1 stop
$485STARLUX Airlines
Find Deal
Tue, Mar 18
1:10 am - 10:25 amSEA-CNX
19h 15m1 stop
$499China Airlines
Find Deal
Sun, Mar 16
1:58 pm - 9:00 amSEA-CNX
52h 02m3 stops
Mon, Feb 3
10:44 am - 11:05 pmSEA-CNX
21h 21m1 stop
$581Delta
Find Deal
Mon, Feb 3
12:10 am - 6:55 pmSEA-CNX
27h 45m2 stops
$727EVA Air
Find Deal
Sun, Feb 2

STARLUX Airlines flights from Seattle to Chiang Mai

Our best STARLUX Airlines deals on Seattle to Chiang Mai flight tickets
STARLUX Airlines
Feb 26
SEA12:05 amSeattle/Tacoma Intl
25h 10m
1 stop
CNX4:15 pmChiang Mai
Mar 11
CNX5:15 pmChiang Mai
36h 50m
1 stop
SEA4:05 pmSeattle/Tacoma Intl
STARLUX Airlines
Mar 6
SEA12:05 amSeattle/Tacoma Intl
25h 10m
1 stop
CNX4:15 pmChiang Mai
Apr 26
CNX5:20 pmChiang Mai
36h 50m
1 stop
SEA4:10 pmSeattle/Tacoma Intl
STARLUX Airlines
Mar 6
SEA12:05 amSeattle/Tacoma Intl
25h 10m
1 stop
CNX4:15 pmChiang Mai
Apr 5
CNX5:20 pmChiang Mai
36h 50m
1 stop
SEA4:10 pmSeattle/Tacoma Intl

Asiana Airlines flights from Seattle to Chiang Mai

Our best Asiana Airlines deals on Seattle to Chiang Mai flight tickets
Asiana Airlines
Mar 10
SEA1:45 pmSeattle/Tacoma Intl
19h 20m
1 stop
CNX11:05 pmChiang Mai
Apr 28
CNX12:45 amChiang Mai
25h 45m
1 stop
SEA12:30 pmSeattle/Tacoma Intl
Asiana Airlines
Feb 24
SEA12:45 pmSeattle/Tacoma Intl
19h 20m
1 stop
CNX11:05 pmChiang Mai
Mar 26
CNX12:25 amChiang Mai
25h 30m
1 stop
SEA11:55 amSeattle/Tacoma Intl
Asiana Airlines
Feb 26
SEA12:45 pmSeattle/Tacoma Intl
19h 20m
1 stop
CNX11:05 pmChiang Mai
Mar 6
CNX12:25 amChiang Mai
25h 30m
1 stop
SEA10:55 amSeattle/Tacoma Intl

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 cheapest month to fly to Chiang Mai?

If you don’t want to visit Chiang Mai in March, then you should wait until October to fly from Seattle, when ticket prices are also cheap, with an average price of $834.

What is the cheapest day to depart on your flight to Chiang Mai?

The cheapest day to depart from Seattle to Chiang Mai is on a Tuesday. Travelers who choose to depart for Chiang Mai on a Tuesday will often find tickets for as low as $882. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Chiang Mai for around $1,415.

What is the cheapest time of day to depart on your flight to Chiang Mai?

Flying to Chiang Mai from Seattle in the morning is the least expensive time of day to depart. momondo users have found prices as low as $929 when looking at flights departing in the morning. Flights to Chiang Mai are more costly in the evening, with an average ticket price of $1,057. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Chiang Mai from Seattle when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to Chiang Mai for around $1,104 when searching 21 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 $820 on momondo.

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

As of January 2025, prices for Seattle to Chiang Mai flights are approximately 36% cheaper when compared to flights at the same time last year.

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

$450

Fastest flight time

18h 55m

Direct flights

None

Airports in Chiang Mai

1 airport
The best one-way flight to Chiang Mai from Seattle in the past 72 hours is $450. The best round-trip flight deal from Seattle to Chiang Mai found on momondo in the last 72 hours is $660.
The fastest flight from Seattle to Chiang Mai takes 18h 55m
There are no direct flights from Seattle to Chiang Mai. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Chiang Mai Airport.
There is 1 airport near Chiang Mai: Chiang Mai (CNX)

  • 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. 18h 55m 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
Asiana AirlinesPriceFrom $672Free CancellationRating
8.2
466 reviews
Search Asiana Airlines flights
China AirlinesPriceFrom $749Free CancellationRating
8.2
732 reviews
Search China Airlines flights
DeltaPriceFrom $822Free CancellationRating
8.0
8,507 reviews
Search Delta flights
EVA AirPriceFrom $908Free CancellationRating
8.4
1,251 reviews
Search EVA Air flights
Korean AirPriceFrom $967Free CancellationRating
8.4
1,037 reviews
Search Korean 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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