Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Chiang Mai to Washington from $415

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chiang Mai to Washington departing on 4/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Chiang Mai to Washington

Cheap round-trip flights

Enter your travel dates to find the best prices.
EVA Air Logo
11:50 am - 6:30 pm
CNX
-
SEA
20h 40m1 stop
EVA Air Logo
1:10 am - 10:35 am
SEA
-
CNX
19h 25m1 stop
$779EVA Air
Tue, Mar 10 - Thu, Mar 19
EVA Air Logo
11:50 am - 7:10 pm
CNX
-
SEA
21h 20m1 stop
EVA Air Logo
1:30 am - 10:25 am
SEA
-
CNX
18h 55m1 stop
$811EVA Air
Thu, Mar 26 - Wed, Apr 29
EVA Air Logo
11:50 am - 7:10 pm
CNX
-
SEA
21h 20m1 stop
EVA Air Logo
1:30 am - 10:25 am
SEA
-
CNX
18h 55m1 stop
$812EVA Air
Thu, Mar 26 - Wed, Apr 29
EVA Air Logo
11:50 am - 7:10 pm
CNX
-
SEA
21h 20m1 stop
EVA Air Logo
1:10 am - 1:45 pm
SEA
-
CNX
22h 35m2 stops
$834EVA Air
Tue, Mar 10 - Thu, Mar 19
EVA Air Logo
8:00 pm - 7:30 pm
CNX
-
SEA
37h 30m2 stops
EVA Air Logo
12:50 am - 10:25 am
SEA
-
CNX
19h 35m1 stop
$861EVA Air
Wed, May 27 - Sat, May 30
Multiple Airlines Logo
11:50 am - 7:10 pm
CNX
-
SEA
21h 20m1 stop
Multiple Airlines Logo
8:00 pm - 10:25 am
SEA
-
CNX
24h 25m2 stops
$876Multiple Airlines
Thu, Mar 26 - Thu, Apr 30
Multiple Airlines Logo
11:50 am - 7:10 pm
CNX
-
SEA
21h 20m1 stop
Multiple Airlines Logo
7:04 pm - 10:25 am
SEA
-
CNX
25h 21m2 stops
$877Multiple Airlines
Thu, Mar 26 - Thu, Apr 30
Korean Air Logo
12:15 am - 12:44 pm
CNX
-
PDX
27h 29m2 stops
Korean Air Logo
7:10 am - 10:55 pm
PDX
-
CNX
24h 45m2 stops
$890Korean Air
Tue, Jan 20 - Wed, Jan 28
Qatar Airways Logo
9:40 pm - 5:59 pm
CNX
-
PDX
35h 19m3 stops
Qatar Airways Logo
10:52 am - 11:20 am
PDX
-
CNX
33h 28m3 stops
$1,650Qatar Airways
Wed, Jan 21 - Wed, Jan 28
KLM Logo
7:45 pm - 12:25 pm
CNX
-
PDX
54h 40m2 stops
KLM Logo
2:25 pm - 7:00 pm
PDX
-
CNX
38h 35m2 stops
$3,559KLM
Wed, Mar 18 - Wed, Mar 25

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 10
CNX11:50 amChiang Mai
20h 40m
1 stop
SEA6:30 pmSeattle/Tacoma Intl
Mar 19
SEA1:10 amSeattle/Tacoma Intl
19h 25m
1 stop
CNX10:35 amChiang Mai
$779
Find similar
EVA Air
Mar 26
CNX11:50 amChiang Mai
21h 20m
1 stop
SEA7:10 pmSeattle/Tacoma Intl
Apr 29
SEA1:30 amSeattle/Tacoma Intl
18h 55m
1 stop
CNX10:25 amChiang Mai
$811
Find similar
EVA Air
Mar 26
CNX11:50 amChiang Mai
21h 20m
1 stop
SEA7:10 pmSeattle/Tacoma Intl
Apr 29
SEA1:30 amSeattle/Tacoma Intl
18h 55m
1 stop
CNX10:25 amChiang Mai
$812
Find similar

China Airlines flights from Chiang Mai to State of Washington

Our best China Airlines deals on Chiang Mai to State of Washington flight tickets
China Airlines
Dec 23
CNX11:25 amChiang Mai
21h 45m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Jan 13
SEA12:10 amSeattle/Tacoma Intl
19h 15m
1 stop
CNX10:25 amChiang Mai
$951
Find similar
China Airlines
Dec 23
CNX11:25 amChiang Mai
21h 45m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Jan 15
SEA12:10 amSeattle/Tacoma Intl
19h 15m
1 stop
CNX10:25 amChiang Mai
$990
Find similar
China Airlines
Dec 25
CNX11:25 amChiang Mai
21h 45m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Jan 10
SEA12:10 amSeattle/Tacoma Intl
25h 25m
1 stop
CNX4:35 pmChiang Mai
$1,037
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chiang Mai to State of Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 22, 2025.
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

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 3/10

11:50 am-6:30 pm

1 stop20h 40m

Seattle/Tacoma Intl

Thu 3/19

1:10 am-10:35 am

1 stop19h 25m

$779

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 3/26

11:50 am-7:10 pm

1 stop21h 20m

Seattle/Tacoma Intl

Wed 4/29

1:30 am-10:25 am

1 stop18h 55m

$811

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 3/26

11:50 am-7:10 pm

1 stop21h 20m

Seattle/Tacoma Intl

Wed 4/29

1:30 am-10:25 am

1 stop18h 55m

$812

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 3/10

11:50 am-7:10 pm

1 stop21h 20m

Seattle/Tacoma Intl

Thu 3/19

1:10 am-1:45 pm

2 stops22h 35m

$834

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 5/27

8:00 pm-7:30 pm

2 stops37h 30m

Seattle/Tacoma Intl

Sat 5/30

12:50 am-10:25 am

1 stop19h 35m

$861

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 3/26

11:50 am-7:10 pm

1 stop21h 20m

Seattle/Tacoma Intl

Thu 4/30

8:00 pm-10:25 am

2 stops24h 25m

$876

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 3/26

11:50 am-7:10 pm

1 stop21h 20m

Seattle/Tacoma Intl

Thu 4/30

7:04 pm-10:25 am

2 stops25h 21m

$877

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Tue 1/20

12:15 am-12:44 pm

2 stops27h 29m

Portland

Wed 1/28

7:10 am-10:55 pm

2 stops24h 45m

$890

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Wed 1/21

9:40 pm-5:59 pm

3 stops35h 19m

Portland

Wed 1/28

10:52 am-11:20 am

3 stops33h 28m

$1,650

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Wed 3/18

7:45 pm-12:25 pm

2 stops54h 40m

Portland

Wed 3/25

2:25 pm-7:00 pm

2 stops38h 35m

$3,559

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington from

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

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.

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

You could potentially save up to 56% 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

21h 20m

Direct flights

None
The fastest flight from Chiang Mai to State of Washington takes 21h 20m
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?

  • 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 AirPriceFrom $803Free CancellationRating
8.4
1,185 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.

An easier way to manage your State of Washington trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 1/21
Wed 1/28
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington

Popular cities in Washington

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom $45
Flights to Los Angelesfrom $38
Flights to Miamifrom $49
Flights to Chicagofrom $44
Flights to Orlandofrom $29
Flights to San Franciscofrom $49
Flights to Las Vegasfrom $39
Flights to Washington, D.C.from $58
Flights to Bostonfrom $50
Flights to Atlantafrom $46
Flights to Dallasfrom $51
Flights to Seattlefrom $62