What is the cheapest airline that flies from Chiang Mai to Washington?

Delta, Korean Air, and STARLUX Airlines are the most popular carriers operating from Chiang Mai to Washington

When did momondo last update prices for flights from Chiang Mai Airport to Washington?

Prices for flights from Chiang Mai Airport to Washington refresh daily.

How many operators does momondo search for flights from Chiang Mai Airport to Washington?

As of September 2026, there are 2 operators available to choose from for flights from Chiang Mai Airport to Washington.

How old do you have to be to fly from Chiang Mai Airport to Washington?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chiang Mai Airport to Washington.

What documentation or ID do you need to fly to Washington?

The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$473 Cheap Flights from Chiang Mai to Washington in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chiang Mai to Washington

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:20 am - 9:05 amCNX Chiang Mai-SEA Seattle/Tacoma Intl

23h 45m1 stop Incheon Intl

12:10 am - 10:45 pmSEA Seattle/Tacoma Intl-CNX Chiang Mai

31h 35m1 stop Incheon Intl

$782Korean Air

Fri, Nov 6 - Fri, Dec 4

12:20 am - 9:05 amCNX Chiang Mai-SEA Seattle/Tacoma Intl

23h 45m1 stop Incheon Intl

11:00 am - 10:45 pmSEA Seattle/Tacoma Intl-CNX Chiang Mai

20h 45m1 stop Incheon Intl

$784Korean Air

Tue, Nov 10 - Sun, Dec 6

12:20 am - 2:10 pmCNX Chiang Mai-SEA Seattle/Tacoma Intl

28h 50m1 stop Incheon Intl

11:00 am - 10:45 pmSEA Seattle/Tacoma Intl-CNX Chiang Mai

20h 45m1 stop Incheon Intl

$785Korean Air

Mon, Nov 9 - Tue, Nov 17

12:20 am - 9:05 amCNX Chiang Mai-SEA Seattle/Tacoma Intl

23h 45m1 stop Incheon Intl

12:10 am - 10:45 pmSEA Seattle/Tacoma Intl-CNX Chiang Mai

31h 35m1 stop Incheon Intl

$793Korean Air

Tue, Nov 3 - Tue, Dec 1

11:35 am - 7:20 pmCNX Chiang Mai-SEA Seattle/Tacoma Intl

21h 45m1 stop Taipei City Taiwan Taoyuan Intl

11:50 pm - 10:35 amSEA Seattle/Tacoma Intl-CNX Chiang Mai

20h 45m1 stop Taipei City Taiwan Taoyuan Intl

$889EVA Air

Tue, Oct 20 - Tue, Oct 27

11:50 am - 6:10 pmCNX Chiang Mai-SEA Seattle/Tacoma Intl

21h 20m1 stop Taipei City Taiwan Taoyuan Intl

12:10 am - 10:35 amSEA Seattle/Tacoma Intl-CNX Chiang Mai

19h 25m1 stop Taipei City Taiwan Taoyuan Intl

$891EVA Air

Wed, Nov 11 - Sun, Dec 6

11:50 am - 6:10 pmCNX Chiang Mai-SEA Seattle/Tacoma Intl

21h 20m1 stop Taipei City Taiwan Taoyuan Intl

12:10 am - 10:35 amSEA Seattle/Tacoma Intl-CNX Chiang Mai

19h 25m1 stop Taipei City Taiwan Taoyuan Intl

$891EVA Air

Mon, Nov 9 - Fri, Dec 4

11:25 am - 6:10 pmCNX Chiang Mai-SEA Seattle/Tacoma Intl

21h 45m1 stop Taipei City Taiwan Taoyuan Intl

12:10 am - 10:25 amSEA Seattle/Tacoma Intl-CNX Chiang Mai

19h 15m1 stop Taipei City Taiwan Taoyuan Intl

$937China Airlines

Thu, Dec 24 - Sat, Jan 2

11:25 am - 6:10 pmCNX Chiang Mai-SEA Seattle/Tacoma Intl

21h 45m1 stop Taipei City Taiwan Taoyuan Intl

12:10 am - 10:25 amSEA Seattle/Tacoma Intl-CNX Chiang Mai

19h 15m1 stop Taipei City Taiwan Taoyuan Intl

$937China Airlines

Thu, Dec 24 - Sun, Jan 3

11:25 am - 6:10 pmCNX Chiang Mai-SEA Seattle/Tacoma Intl

21h 45m1 stop Taipei City Taiwan Taoyuan Intl

12:10 am - 10:25 amSEA Seattle/Tacoma Intl-CNX Chiang Mai

19h 15m1 stop Taipei City Taiwan Taoyuan Intl

$1,000China Airlines

Sat, Nov 14 - Sun, Dec 6

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Korean Air flights from Chiang Mai to State of Washington

Our best Korean Air deals on Chiang Mai to State of Washington flight tickets

Korean Air

Nov 6

CNX12:20 amChiang Mai

23h 45m

1 stop

SEA9:05 amSeattle/Tacoma Intl

Dec 4

SEA12:10 amSeattle/Tacoma Intl

31h 35m

1 stop

CNX10:45 pmChiang Mai

$782

Korean Air

Nov 10

CNX12:20 amChiang Mai

23h 45m

1 stop

SEA9:05 amSeattle/Tacoma Intl

Dec 6

SEA11:00 amSeattle/Tacoma Intl

20h 45m

1 stop

CNX10:45 pmChiang Mai

$784

Korean Air

Nov 9

CNX12:20 amChiang Mai

28h 50m

1 stop

SEA2:10 pmSeattle/Tacoma Intl

Nov 17

SEA11:00 amSeattle/Tacoma Intl

20h 45m

1 stop

CNX10:45 pmChiang Mai

$785

Delta flights from Chiang Mai to State of Washington

Our best Delta deals on Chiang Mai to State of Washington flight tickets

Delta

Nov 8

CNX12:20 amChiang Mai

26h 31m

1 stop

SEA11:51 amSeattle/Tacoma Intl

Dec 6

SEA12:35 pmSeattle/Tacoma Intl

19h 10m

1 stop

CNX10:45 pmChiang Mai

$798

Delta

Nov 6

CNX12:20 amChiang Mai

23h 45m

1 stop

SEA9:05 amSeattle/Tacoma Intl

Dec 7

SEA11:00 amSeattle/Tacoma Intl

20h 45m

1 stop

CNX10:45 pmChiang Mai

$902

Delta

Nov 9

CNX12:20 amChiang Mai

26h 31m

1 stop

SEA11:51 amSeattle/Tacoma Intl

Nov 17

SEA7:20 amSeattle/Tacoma Intl

24h 25m

2 stops

CNX10:45 pmChiang Mai

$903

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Chiang MaiSeattle

CNX Chiang Mai - SEA Seattle/Tacoma Intl

CNXSEA

Chiang Mai

Fri 11/6

12:20 am-9:05 am

1 stop23h 45m

Seattle/Tacoma Intl

Fri 12/4

12:10 am-10:45 pm

1 stop31h 35m

$782

Chiang MaiSeattle

CNX Chiang Mai - SEA Seattle/Tacoma Intl

CNXSEA

Chiang Mai

Tue 11/10

12:20 am-9:05 am

1 stop23h 45m

Seattle/Tacoma Intl

Sun 12/6

11:00 am-10:45 pm

1 stop20h 45m

$784

Chiang MaiSeattle

CNX Chiang Mai - SEA Seattle/Tacoma Intl

CNXSEA

Chiang Mai

Mon 11/9

12:20 am-2:10 pm

1 stop28h 50m

Seattle/Tacoma Intl

Tue 11/17

11:00 am-10:45 pm

1 stop20h 45m

$785

Chiang MaiSeattle

CNX Chiang Mai - SEA Seattle/Tacoma Intl

CNXSEA

Chiang Mai

Tue 11/3

12:20 am-9:05 am

1 stop23h 45m

Seattle/Tacoma Intl

Tue 12/1

12:10 am-10:45 pm

1 stop31h 35m

$793

Chiang MaiSeattle

CNX Chiang Mai - SEA Seattle/Tacoma Intl

CNXSEA

Chiang Mai

Tue 10/20

11:35 am-7:20 pm

1 stop21h 45m

Seattle/Tacoma Intl

Tue 10/27

11:50 pm-10:35 am

1 stop20h 45m

$889

Quickest round-trip

Chiang MaiSeattle

CNX Chiang Mai - SEA Seattle/Tacoma Intl

CNXSEA

Chiang Mai

Wed 11/11

11:50 am-6:10 pm

1 stop21h 20m

Seattle/Tacoma Intl

Sun 12/6

12:10 am-10:35 am

1 stop19h 25m

$891

Chiang MaiSeattle

CNX Chiang Mai - SEA Seattle/Tacoma Intl

CNXSEA

Chiang Mai

Mon 11/9

11:50 am-6:10 pm

1 stop21h 20m

Seattle/Tacoma Intl

Fri 12/4

12:10 am-10:35 am

1 stop19h 25m

$891

Chiang MaiSeattle

CNX Chiang Mai - SEA Seattle/Tacoma Intl

CNXSEA

Chiang Mai

Thu 12/24

11:25 am-6:10 pm

1 stop21h 45m

Seattle/Tacoma Intl

Sat 1/2

12:10 am-10:25 am

1 stop19h 15m

$937

Chiang MaiSeattle

CNX Chiang Mai - SEA Seattle/Tacoma Intl

CNXSEA

Chiang Mai

Thu 12/24

11:25 am-6:10 pm

1 stop21h 45m

Seattle/Tacoma Intl

Sun 1/3

12:10 am-10:25 am

1 stop19h 15m

$937

Chiang MaiSeattle

CNX Chiang Mai - SEA Seattle/Tacoma Intl

CNXSEA

Chiang Mai

Sat 11/14

11:25 am-6:10 pm

1 stop21h 45m

Seattle/Tacoma Intl

Sun 12/6

12:10 am-10:25 am

1 stop19h 15m

$1,000

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 State of Washington

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

Can stopping save me money on Chiang Mai to State of Washington flights?

You could potentially save up to 18% on your flight if you consider stops on a Chiang Mai to State of Washington flight.

Cheap Chiang Mai to State of Washington flight deals and tips

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

Best Price Found	$473
Fastest flight time	21h 45m
Direct flights	None

The best one-way flight to State of Washington from Chiang Mai in the past 72 hours is $473. The best round-trip flight deal from Chiang Mai to State of Washington found on momondo in the last 72 hours is $782.

The fastest flight from Chiang Mai to State of Washington takes 21h 45m

There are no direct flights from Chiang Mai to State of Washington. There are no popular flight routes from Chiang Mai to State of Washington.

Search flight deals

Frequently asked questions about flying from Chiang Mai to Washington

When did momondo last update prices for flights from Chiang Mai Airport to Washington?
Prices for flights from Chiang Mai Airport to Washington refresh daily.
How many operators does momondo search for flights from Chiang Mai Airport to Washington?
As of September 2026, there are 2 operators available to choose from for flights from Chiang Mai Airport to Washington.
How old do you have to be to fly from Chiang Mai Airport to Washington?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chiang Mai Airport to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Chiang Mai to State of Washington

Compare and see reviews for airlines that fly from Chiang Mai to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
EVA Air	PriceFrom $816	Free Cancellation	Rating 8.5 1,535 reviews		Search EVA Air flights
China Airlines	PriceFrom $898	Free Cancellation	Rating 8.3 847 reviews		Search China Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chiang Mai to Washington. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Washington from Chiang Mai with this policy.

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

Once you have performed a search for Chiang Mai to Washington flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Washington, momondo offers a useful price alert feature which will track prices for flights to Washington from Chiang Mai and alert you when they change.