CNX - WAS

$572 Find Cheap Flights from Chiang Mai to Washington, D.C.

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, D.C. departing on 5/15. 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, D.C.

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chiang Mai to Washington, D.C., 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, D.C., as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$1,056
Multiple Airlines
Tue 4/14Thu 4/30
CNX - IAD • 2 stops
Cheapest one-way
$572
Typical prices: $830-$1,133
Multiple Airlines
Fri 5/15
CNX - IAD • 3 stops
Top airlines
EVA Air
Cheapest • from $1,089 (round-trip)
Delta
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
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We hope you love your trip to Washington, D.C.!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Chiang Mai to Washington, D.C. (CNX-WAS)

 
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, D.C. 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, D.C.

Tue, Apr 14 - Thu, Apr 30
Multiple Airlines Logo
11:35 am - 5:40 am
CNX
-
IAD
29h 05m
2 stops
Multiple Airlines Logo
7:20 pm - 10:25 am
IAD
-
CNX
28h 05m
2 stops
$1,056Multiple Airlines
Tue, Apr 14 - Thu, Apr 30
EVA Air Logo
11:35 am - 5:41 pm
CNX
-
DCA
41h 06m
2 stops
EVA Air Logo
6:59 pm - 10:25 am
DCA
-
CNX
28h 26m
2 stops
$1,089EVA Air
Tue, May 26 - Tue, Jun 2
Multiple Airlines Logo
11:20 am - 7:34 am
CNX
-
IAD
31h 14m
2 stops
Multiple Airlines Logo
5:33 pm - 10:20 am
IAD
-
CNX
29h 47m
2 stops
$1,130Multiple Airlines
Tue, Feb 24 - Tue, Mar 3
EVA Air Logo
11:50 am - 5:59 pm
CNX
-
DCA
42h 09m
2 stops
EVA Air Logo
9:59 am - 10:35 am
DCA
-
CNX
36h 36m
2 stops
$1,140EVA Air
Tue, Feb 24 - Tue, Mar 3
Multiple Airlines Logo
5:10 pm - 3:55 pm
CNX
-
IAD
34h 45m
3 stops
Multiple Airlines Logo
2:35 pm - 7:55 am
IAD
-
CNX
29h 20m
3 stops
$1,156Multiple Airlines
Tue, May 26 - Tue, Jun 2
EVA Air Logo
11:35 am - 7:34 am
CNX
-
IAD
30h 59m
2 stops
EVA Air Logo
5:33 pm - 10:25 am
IAD
-
CNX
29h 52m
2 stops
$1,165EVA Air
Tue, Apr 14 - Thu, Apr 30
Multiple Airlines Logo
11:20 am - 6:11 pm
CNX
-
BWI
41h 51m
2 stops
Multiple Airlines Logo
7:16 pm - 10:20 am
BWI
-
CNX
28h 04m
2 stops
$1,179Multiple Airlines
Tue, May 26 - Tue, Jun 2
Etihad Airways Logo
9:30 am - 9:45 am
CNX
-
IAD
35h 15m
1 stop
Etihad Airways Logo
3:10 pm - 6:25 am
IAD
-
CNX
28h 15m
1 stop
$1,257Etihad Airways
Tue, Feb 24 - Tue, Mar 3
Multiple Airlines Logo
11:50 am - 5:46 pm
CNX
-
BWI
41h 56m
2 stops
Multiple Airlines Logo
6:46 pm - 10:35 am
BWI
-
CNX
27h 49m
2 stops
$1,295Multiple Airlines
Tue, Feb 24 - Tue, Mar 3
Multiple Airlines Logo
5:10 pm - 3:55 pm
CNX
-
IAD
34h 45m
3 stops
Multiple Airlines Logo
8:05 pm - 11:20 am
IAD
-
CNX
27h 15m
2 stops
$1,305Multiple Airlines
Booking Insights

KAYAK's insights & trends for Chiang Mai to Washington, D.C. flights

Get data-powered insights and trends into flights from Chiang Mai to Washington, D.C. 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, D.C.?

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, D.C. were found on EVA Air ($1,089) and Etihad Airways ($1,257).

Find deals

Good to know

Cheapest flight$572
Flight from Chiang Mai to Washington Dulles Airport

When to book flights from Chiang Mai to Washington, D.C.

Are your dates flexible? Find out the best times to travel from Chiang Mai to Washington, D.C. based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Chiang Mai to Washington, D.C.

  • What is the cheapest flight from Chiang Mai to Washington, D.C.?

    In the last 3 days, the lowest price for a flight from Chiang Mai to Washington, D.C. was $572 for a one-way ticket and $1,056 for a round-trip.

  • Do I need a passport to fly between Chiang Mai and Washington, D.C.?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Chiang Mai and on arrival in Washington, D.C..

  • Which airports will I be using when flying from Chiang Mai to Washington, D.C.?

    When flying out of Chiang Mai you will be using Chiang Mai. You will be landing at one of these airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl.

  • Which aircraft models fly most regularly from Chiang Mai to Washington, D.C.?

    We unfortunately don’t have that data for this specific route.

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

    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, D.C..

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Chiang Mai 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, D.C.?

    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 to Washington, D.C. with an airline and back to Chiang Mai 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, D.C.?

    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 to Washington, D.C. from Chiang Mai up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Chiang Mai to Washington, D.C.

 
See real verified KAYAK customer reviews for airlines flying from Chiang Mai to Washington, D.C.. 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, D.C.? 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.
7.9
DeltaOverall score based on 8124 reviews
8.1Boarding
8.5Crew
7.9Comfort
7.8Entertainment
7.2Food
Airline reviews

Timing, quality of service, promptness and courtesy of the staff

10.0 ExcellentAjai, Jan 2026
DFW - ATL
Read more Delta reviews

Timing, quality of service, promptness and courtesy of the staff

It was last minute due to weather - considering - it was amazing! Good smiles, friendly staff and they were making sure we knew what was going on when and where.

delta last minute gave me a boarding pass for a different flight with no confirmation that they were changing it

The service from the flight attendants were of supreme quality. They greeted and treated everyone with a wide smile. This is totally absent nowadays. Kudos to them!!!!

Excellent flight and got us around tough weather. Only issue was seat TV did not work and crew tried to reboot.

Very large passenger too space from my own seat. Arm board couldn’t be lowered because of his size. It wads very uncomfortable trip, as the flight was full couldn’t move anywhere having back pain because of the position in which I was the entire flight.

was sitting in the jet bridge for 10 minutes in -20 degree weather waiting for my bag

Very convenient considering that is a non-stop flight, but the Aeromexico still has old model planes, so the entertainment was very poor and the space for carry-on luggage was very limited.

Flight taking off must have been behind, because there was no pre-departure drink for first class like normal. Also, person in front of mine’s seat got stuck in the as far back as it normally goes position for the whole flight even during landing, flight attendant unable to fix it. Gate was not empty when we arrived, but that is MSP’s fault since was overdue for push back, not Delta’s, so had to sit on tarmac for a while and international flight so then still had to go through customs. Flight crew was excellent throughout though!

Flight from MEX to ATL had to divert to Tampa. When we got off the plane, there were non directions on what to do. Nearly 30 minutes just standing around. Finally told to go through security with no boarding passes, and turned away. Then told to to go back. Took forever to leave Tampa for ATL. Missed my connection to Harrisburg.

Everything you need to know for your flight from Chiang Mai to Washington, D.C.

Information on your arrival and departure airports

Chiang Mai (CNX)