$475 Find Cheap Flights from Chiang Mai to Washington

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Chiang Mai to Washington departing on 9/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Washington

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chiang Mai to Washington, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chiang Mai to Washington, as well as popular online travel agencies
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Flight Deals

Book Cheap Chiang Mai to Washington Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Chiang Mai to Washington that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Chiang Mai to Washington

Mon, Sep 7 - Sun, Sep 27
China Airlines Logo
11:20 am - 7:45 pm
CNX
-
SEA
22h 25m
1 stop
China Airlines Logo
1:15 am - 10:20 am
SEA
-
CNX
19h 05m
1 stop
$766China Airlines
Wed, May 13 - Tue, Jun 30
EVA Air Logo
8:00 pm - 7:30 pm
CNX
-
SEA
37h 30m
2 stops
EVA Air Logo
12:50 am - 10:25 am
SEA
-
CNX
19h 35m
1 stop
$831EVA Air
Wed, May 13 - Tue, Jun 30
EVA Air Logo
8:00 pm - 7:30 pm
CNX
-
SEA
37h 30m
2 stops
EVA Air Logo
12:50 am - 10:25 am
SEA
-
CNX
19h 35m
1 stop
$844EVA Air
Mon, Sep 7 - Mon, Sep 28
Multiple Airlines Logo
11:20 am - 7:45 pm
CNX
-
SEA
22h 25m
1 stop
Multiple Airlines Logo
12:00 pm - 10:20 am
SEA
-
CNX
32h 20m
2 stops
$846Multiple Airlines
Wed, May 13 - Tue, Jun 30
EVA Air Logo
8:00 pm - 7:30 pm
CNX
-
SEA
37h 30m
2 stops
EVA Air Logo
12:50 am - 10:25 am
SEA
-
CNX
19h 35m
1 stop
$847EVA Air
Fri, Jul 10 - Wed, Sep 9
EVA Air Logo
11:35 am - 8:50 am
CNX
-
SEA
35h 15m
2 stops
EVA Air Logo
1:30 am - 10:25 am
SEA
-
CNX
18h 55m
1 stop
$871EVA Air
Tue, May 5 - Mon, May 11
Multiple Airlines Logo
6:35 am - 2:55 pm
CNX
-
SEA
22h 20m
2 stops
Multiple Airlines Logo
12:55 am - 7:30 am
SEA
-
CNX
40h 35m
2 stops
$883Multiple Airlines
Thu, May 28 - Tue, Jul 28
STARLUX Airlines Logo
5:20 pm - 4:10 pm
CNX
-
SEA
36h 50m
1 stop
STARLUX Airlines Logo
1:15 am - 4:20 pm
SEA
-
CNX
25h 05m
1 stop
$886STARLUX Airlines
Tue, Sep 15 - Sat, Sep 19
Air Canada Logo
9:10 pm - 9:31 am
CNX
-
PDX
26h 21m
2 stops
Air Canada Logo
3:30 pm - 11:15 am
PDX
-
CNX
29h 45m
2 stops
$1,183Air Canada
Tue, Sep 15 - Sat, Sep 19
Air Canada Logo
4:55 pm - 7:06 pm
CNX
-
PDX
40h 11m
2 stops
Air Canada Logo
7:45 pm - 11:15 am
PDX
-
CNX
25h 30m
2 stops
$1,253Air Canada
Booking Insights

KAYAK's insights & trends for Chiang Mai to Washington flights

Get data-powered insights and trends into flights from Chiang Mai to Washington to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Chiang Mai to Washington?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Chiang Mai to Washington were found on China Airlines ($766) and EVA Air ($831).

Good to know

Low seasonFebruary
Cheapest flight$475
Best time to beat the crowds with an average 10% drop in price.
Flight from Chiang Mai to Seattle

FAQs - booking Washington flights

  • How does KAYAK find such low prices on flights from Chiang Mai to Washington?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chiang Mai to Washington.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chiang Mai to Washington?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Chiang Mai to Washington is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Chiang Mai to Washington?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Chiang Mai to Washington with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chiang Mai to Washington?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Chiang Mai to Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Chiang Mai to Washington

 
See real verified KAYAK customer reviews for airlines flying from Chiang Mai to Washington. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Chiang Mai to Washington? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.4
Korean AirOverall score based on 1202 reviews
8.3Comfort
8.1Food
8.2Entertainment
8.5Boarding
8.7Crew
Airline reviews

Great service and comfort level. You can have more of vegetarian food options.

10.0 ExcellentAnonymous, Nov 2025
ICN - SFO
Read more Korean Air reviews

Great service and comfort level. You can have more of vegetarian food options.

It’s great, long flight and arrive safe at destination

Korean are so racist and when I ask question or directions they totally ignore me and say racist. Also they give me an rude attitude.

Everything was excellent as I expected. They also had a very caring crew. I had a headache and asked a Tylenol. The crew members kept checking with me how I was doing.

They were trying to get people to check luggage because the over head compartments were full but when we boarded there were lots of empty places that people could have put the luggage.

I can't believe they put my wife and I in the two middle seats! It is a very long flight and we had single flyers on either side of us blocking the way to the bathroom! There's no reason to not give one of us the isle seat so we could have managed bathroom needs and snacks with convenience. So I think very poorly of Korean air to put us both in the middle, I've never had that happen before and will probably avoid this airline in the future because of this. We tried to have them change it but they didn't so you pretty much lost a customer because of it.

One of the flight attendants stepped on my foot. I was on the aisle seat. A lady inside needed to get out. So Instood. Just then, a flight attentendant came wuicklybtheoughbthe aisle and stepprd on my sock covered toes. I let out a small sound. She stopped momentarily, but didn’t ask how I was just took off of the aisle. Never came back to see how I was. Fortunately, I was not really hurt other than a slight soreness in my toes. But I found that to be very negligent.

This was an amazing flight. The crew was great. The service was great. The food provided was great.

Korean Air is unlike any other major airline I have flown with. The grace and respect that the staff has from check in to de-boarding is unmatched. The flight attendants this time were especially wonderful to my five little children. They helped us rearrange to more suitable seating, brought our children’s meals, and patiently waited for them in the aisles when they had to use the bathroom. We felt so welcome and comfortable. I really appreciate the meal voucher when our flight was delayed. I am grateful to have had such an stress-free experience.

It's good overall. Flight was packed. Inflight entertainment choices were lacking.

Everything was fine except the seats were quite compressed and hard for the 12 hour flight

The crew are amazing. Very professional, polite, kind, and accommodating.

Flight attendants. Food, entertainment and most of all, be on time.

Very bad. They don’t allow group people to sit together by blocking most of seats and opening only single seat during online checking in. . By doing so, they can rip off customers at the check-in counter by collecting extra money if we want to sit together in the same row.

Hour late but understandable under the conditions. Taoyuan airport could have clearer signs language wise and more staff to help direct people.

The flat bed full lying position is not comfortable at all, this could be improved, it is at an awkward position which i dont have the same issues with other airlines business class.

I love my Delta crew, they were so welcoming and helpful.

I absolutely loved my flight from Taipei to LAX. I was originally assigned to a different seat, however one of the stewardess noticed I was uncomfortable in my seat. She offered to move me to a more comfortable setting. Although she didn’t have to do what she did, I am more than grateful and thankful for her doing so. My longer flight felt much more comfortable, just by her taking notice. I really appreciate her.

Sat next to a woman who had her period. Blood was on her seat and on the arm rest between us. I ended up having period blood on my jacket and shoes. Very gross!

Been flying with China Airline over years many times. Good experience with them, no issues.

Everything you need to know for your flight from Chiang Mai to Washington

Information on your arrival and departure airports