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

Delta is the most popular carrier 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 March 2026, there is 1 operator 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.

$462 Cheap Flights from Chiang Mai to Washington in 2026

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Find the cheapest flights from Chiang Mai to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 pm - 6:50 pm

CNX

SEA

36h 50m

2 stops

1:50 am - 10:25 am

SEA

CNX

18h 35m

1 stop

$845EVA Air

Wed, May 13 - Tue, Jun 30

8:00 pm - 6:50 pm

CNX

SEA

36h 50m

2 stops

1:50 am - 10:25 am

SEA

CNX

18h 35m

1 stop

$848EVA Air

Wed, May 13 - Tue, Jun 30

8:00 pm - 7:30 pm

CNX

SEA

37h 30m

2 stops

1:30 am - 10:25 am

SEA

CNX

18h 55m

1 stop

$868EVA Air

Mon, Apr 13 - Sun, Apr 19

11:20 am - 7:45 pm

CNX

SEA

22h 25m

1 stop

1:15 am - 10:20 am

SEA

CNX

19h 05m

1 stop

$895China Airlines

Thu, Aug 6 - Tue, Sep 29

10:30 am - 10:05 am

CNX

SEA

37h 35m

1 stop

11:45 am - 9:45 am

SEA

CNX

32h 00m

1 stop

$919Cathay Pacific

Wed, Apr 15 - Wed, Apr 22

11:35 am - 4:50 pm

CNX

PDX

43h 15m

2 stops

5:55 pm - 10:25 am

PDX

CNX

26h 30m

2 stops

$1,010Multiple Airlines

Wed, Jul 15 - Wed, Sep 16

11:35 am - 10:25 pm

CNX

PDX

24h 50m

2 stops

8:59 pm - 10:25 am

PDX

CNX

23h 26m

2 stops

$1,030Multiple Airlines

Tue, Jul 14 - Wed, Sep 16

11:25 am - 4:30 pm

CNX

PDX

43h 05m

2 stops

2:37 pm - 10:20 am

PDX

CNX

29h 43m

2 stops

$1,392China Airlines

Wed, Mar 18 - Wed, Apr 1

8:00 pm - 4:59 pm

CNX

PDX

34h 59m

3 stops

9:40 am - 9:20 am

PDX

CNX

33h 40m

3 stops

$1,675Qatar Airways

Wed, Jul 15 - Wed, Sep 16

7:45 pm - 8:50 pm

CNX

PDX

39h 05m

3 stops

10:31 am - 11:15 am

PDX

CNX

34h 44m

3 stops

$1,726Qatar Airways

Wed, Mar 18 - Wed, Apr 1

Cathay Pacific flights from Chiang Mai to State of Washington

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

Cathay Pacific

Apr 15

CNX10:30 amChiang Mai

37h 35m

1 stop

SEA10:05 amSeattle/Tacoma Intl

Apr 22

SEA11:45 amSeattle/Tacoma Intl

32h 00m

1 stop

CNX9:45 amChiang Mai

$919

Cathay Pacific

Apr 13

CNX7:25 pmChiang Mai

28h 40m

1 stop

SEA10:05 amSeattle/Tacoma Intl

Apr 20

SEA11:45 amSeattle/Tacoma Intl

32h 00m

1 stop

CNX9:45 amChiang Mai

$969

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

Mar 5

CNX11:50 amChiang Mai

20h 40m

1 stop

SEA5:30 pmSeattle/Tacoma Intl

Apr 22

SEA1:30 amSeattle/Tacoma Intl

18h 55m

1 stop

CNX10:25 amChiang Mai

$768

EVA Air

Mar 5

CNX11:50 amChiang Mai

20h 40m

1 stop

SEA5:30 pmSeattle/Tacoma Intl

Apr 22

SEA1:30 amSeattle/Tacoma Intl

27h 40m

2 stops

CNX7:10 pmChiang Mai

$845

EVA Air

May 13

CNX8:00 pmChiang Mai

36h 50m

2 stops

SEA6:50 pmSeattle/Tacoma Intl

Jun 30

SEA1:50 amSeattle/Tacoma Intl

18h 35m

1 stop

CNX10:25 amChiang Mai

$848

Fly from

Fly to

Route

Depart

Return

Price

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 5/13

8:00 pm-6:50 pm

2 stops36h 50m

Seattle/Tacoma Intl

Tue 6/30

1:50 am-10:25 am

1 stop18h 35m

$845

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 5/13

8:00 pm-6:50 pm

2 stops36h 50m

Seattle/Tacoma Intl

Tue 6/30

1:50 am-10:25 am

1 stop18h 35m

$848

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Mon 4/13

8:00 pm-7:30 pm

2 stops37h 30m

Seattle/Tacoma Intl

Sun 4/19

1:30 am-10:25 am

1 stop18h 55m

$868

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 8/6

11:20 am-7:45 pm

1 stop22h 25m

Seattle/Tacoma Intl

Tue 9/29

1:15 am-10:20 am

1 stop19h 05m

$895

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 4/15

10:30 am-10:05 am

1 stop37h 35m

Seattle/Tacoma Intl

Wed 4/22

11:45 am-9:45 am

1 stop32h 00m

$919

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Wed 7/15

11:35 am-4:50 pm

2 stops43h 15m

Portland

Wed 9/16

5:55 pm-10:25 am

2 stops26h 30m

$1,010

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Tue 7/14

11:35 am-10:25 pm

2 stops24h 50m

Portland

Wed 9/16

8:59 pm-10:25 am

2 stops23h 26m

$1,030

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Wed 3/18

11:25 am-4:30 pm

2 stops43h 05m

Portland

Wed 4/1

2:37 pm-10:20 am

2 stops29h 43m

$1,392

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Wed 7/15

8:00 pm-4:59 pm

3 stops34h 59m

Portland

Wed 9/16

9:40 am-9:20 am

3 stops33h 40m

$1,675

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Wed 3/18

7:45 pm-8:50 pm

3 stops39h 05m

Portland

Wed 4/1

10:31 am-11:15 am

3 stops34h 44m

$1,726

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 19% 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

Fastest flight time	22h 25m
Direct flights	None

The fastest flight from Chiang Mai to State of Washington takes 22h 25m

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

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 March 2026, there is 1 operator 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
Korean Air	PriceFrom $803	Free Cancellation	Rating 8.4 1,195 reviews		Search Korean Air flights

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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.