What airlines fly to State of Washington?

EVA Air, Korean Air and Asiana Airlines are the top three most popular airlines that fly to State of Washington from Chiang Mai according to our data. EVA Air is the first choice among our users, with 37% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 3 different airlines that fly to State of Washington 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 Washington?

Delta, Asiana Airlines, and Korean Air 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 July 2025, there are 3 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.

$584 Cheap Flights from Chiang Mai to Washington in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Chiang Mai to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

12:15 am - 9:00 amCNX-SEA

23h 45m1 stop

11:00 am - 11:05 pmSEA-CNX

21h 05m1 stop

$808Korean Air

Find Deal

Thu, Dec 18 - Tue, Jan 20

12:15 am - 9:00 amCNX-SEA

23h 45m1 stop

11:00 am - 11:05 pmSEA-CNX

21h 05m1 stop

$809Korean Air

Find Deal

Thu, Dec 18 - Tue, Jan 20

12:45 am - 12:45 pmCNX-SEA

26h 00m1 stop

2:30 pm - 11:40 pmSEA-CNX

19h 10m1 stop

$835Asiana Airlines

Find Deal

Sun, Aug 17 - Tue, Aug 26

11:50 am - 6:10 pmCNX-SEA

21h 20m1 stop

12:10 am - 10:35 amSEA-CNX

19h 25m1 stop

$845EVA Air

Find Deal

Fri, Dec 19 - Mon, Jan 19

10:10 am - 3:05 pmCNX-SEA

19h 55m2 stops

11:45 pm - 3:55 pmSEA-CNX

25h 10m1 stop

$870

Find Deal

Fri, Dec 19 - Tue, Jan 20

10:10 am - 3:05 pmCNX-SEA

19h 55m2 stops

11:45 pm - 3:55 pmSEA-CNX

25h 10m1 stop

$874

Find Deal

Fri, Dec 19 - Tue, Jan 20

12:10 pm - 6:10 pmCNX-SEA

21h 00m2 stops

12:10 am - 10:35 amSEA-CNX

19h 25m1 stop

$899EVA Air

Find Deal

Fri, Dec 19 - Mon, Jan 19

7:45 pm - 5:40 pmCNX-SEA

36h 55m2 stops

12:10 am - 10:35 amSEA-CNX

19h 25m1 stop

$903EVA Air

Find Deal

Fri, Dec 19 - Mon, Jan 19

5:20 pm - 4:35 pmCNX-SEA

37h 15m1 stop

1:15 am - 4:20 pmSEA-CNX

25h 05m1 stop

$919STARLUX Airlines

Find Deal

Tue, Aug 19 - Tue, Aug 26

12:45 am - 12:45 pmCNX-SEA

26h 00m1 stop

2:30 pm - 11:40 pmSEA-CNX

19h 10m1 stop

$1,249Asiana Airlines

Find Deal

Sat, Aug 16 - Tue, Aug 26

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

Dec 18

CNX12:15 amChiang Mai

23h 45m

1 stop

SEA9:00 amSeattle/Tacoma Intl

Jan 20

SEA11:00 amSeattle/Tacoma Intl

21h 05m

1 stop

CNX11:05 pmChiang Mai

$808

Find similar

Korean Air

Dec 18

CNX12:15 amChiang Mai

23h 45m

1 stop

SEA9:00 amSeattle/Tacoma Intl

Jan 20

SEA11:00 amSeattle/Tacoma Intl

21h 05m

1 stop

CNX11:05 pmChiang Mai

$809

Find similar

Korean Air

Jul 27

CNX9:45 pmChiang Mai

33h 20m

2 stops

PDX5:05 pmPortland

Aug 17

PDX7:00 amPortland

24h 55m

2 stops

CNX9:55 pmChiang Mai

$1,602

Find similar

EVA Air flights from Chiang Mai to State of Washington

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

EVA Air

Dec 19

CNX11:50 amChiang Mai

21h 20m

1 stop

SEA6:10 pmSeattle/Tacoma Intl

Jan 19

SEA12:10 amSeattle/Tacoma Intl

19h 25m

1 stop

CNX10:35 amChiang Mai

$845

Find similar

EVA Air

Dec 19

CNX12:10 pmChiang Mai

21h 00m

2 stops

SEA6:10 pmSeattle/Tacoma Intl

Jan 19

SEA12:10 amSeattle/Tacoma Intl

19h 25m

1 stop

CNX10:35 amChiang Mai

$899

Find similar

EVA Air

Dec 19

CNX7:45 pmChiang Mai

36h 55m

2 stops

SEA5:40 pmSeattle/Tacoma Intl

Jan 19

SEA12:10 amSeattle/Tacoma Intl

19h 25m

1 stop

CNX10:35 amChiang Mai

$903

Find similar

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

What is the cheapest month to fly to State of Washington?

The month of November is, on average, the cheapest month to fly to State of Washington from Chiang Mai, with most prices found around $797. If you aren’t able to travel to State of Washington during the month of November, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $829.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Chiang Mai to State of Washington is on a Sunday. Travelers who choose to depart for State of Washington on a Sunday will often find tickets for as low as $946. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Chiang Mai to State of Washington for around $1,147.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is in the evening when flights can be purchased for as low as $950. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,095 on average. Flights to State of Washington from Chiang Mai in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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	$584
Fastest flight time	19h 55m
Direct flights	None
Airports in State of Washington	2 airports

The best one-way flight to State of Washington from Chiang Mai in the past 72 hours is $584. The best round-trip flight deal from Chiang Mai to State of Washington found on momondo in the last 72 hours is $808.

The fastest flight from Chiang Mai to State of Washington takes 19h 55m

There are no direct flights from Chiang Mai to State of Washington. Popular non-direct routes for this connection are Chiang Mai Airport - Portland Airport and Chiang Mai Airport - Seattle/Tacoma Intl Airport.

There are 2 airports near State of Washington: Portland (PDX), Seattle/Tacoma Intl (SEA)

Search flight deals

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 July 2025, there are 3 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
Asiana Airlines	PriceFrom $622	Free Cancellation	Rating 8.2 454 reviews	Search Asiana Airlines flights
EVA Air	PriceFrom $788	Free Cancellation	Rating 8.4 1,215 reviews	Search EVA Air flights
Korean Air	PriceFrom $793	Free Cancellation	Rating 8.4 1,105 reviews	Search Korean Air 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.