CNX - WAS

฿12,359 Find Cheap Flights from Chiang Mai to Washington, D.C. – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 16% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest return flight
฿36,945
Typical prices: ฿34,864-฿42,006
เอทิฮัดแอร์เวย์
Sun 14/1Thu 10/5
CNX - IAD • 1 stop
Cheapest one-way flight
฿12,359
Typical prices: ฿22,708-฿33,271
เอทิฮัดแอร์เวย์
Sat 24/11
CNX - IAD • 1 stop
Direct flights
Not available
There are currently no direct flights between Chiang Mai and Washington, D.C.. You'll need to take a connecting flight to reach the destination.
Insights
Insights
Top routes
CNX - IAD
Cheapest • 6% average savings
CNX - DCA
Most popular
Insights
Insights
When to travel
June
Cheapest • 13% price drop
May
Most popular
Good to know
+1
Good to know
+1
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Washington, D.C.!
Flight Deals
Booking Insights
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Chiang Mai to Washington, D.C.

Wed 18 Nov - Mon 30 Nov
Multiple Airlines Logo
09:10 - 09:05CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
35h 55m1 stop Abu Dhabi Zayed Intl
Multiple Airlines Logo
23:55 - 09:25IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
45h 30m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
฿35,722Multiple Airlines
Wed 18 Nov - Mon 30 Nov
Multiple Airlines Logo
09:10 - 09:05CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
35h 55m1 stop Abu Dhabi Zayed Intl
Multiple Airlines Logo
23:55 - 10:35IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
22h 40m1 stop Taipei City Taiwan Taoyuan Intl
฿35,822Multiple Airlines
Thu 14 Jan - Mon 10 May
เอทิฮัดแอร์เวย์ Logo
09:10 - 09:05CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
35h 55m1 stop Abu Dhabi Zayed Intl
เอทิฮัดแอร์เวย์ Logo
15:10 - 11:15IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
33h 05m2 stops Abu Dhabi Zayed Intl Bangkok Suvarnabhumi
฿36,945เอทิฮัดแอร์เวย์
Wed 4 Nov - Mon 9 Nov
Korean Air Logo
00:20 - 09:50CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
21h 30m1 stop Incheon Intl
Korean Air Logo
11:50 - 22:45IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
22h 55m1 stop Incheon Intl
฿38,102Korean Air
Wed 4 Nov - Mon 9 Nov
Korean Air Logo
00:20 - 09:50CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
21h 30m1 stop Incheon Intl
Korean Air Logo
11:50 - 22:45IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
22h 55m1 stop Incheon Intl
฿38,168Korean Air
Wed 4 Nov - Sun 8 Nov
Korean Air Logo
00:20 - 09:50CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
21h 30m1 stop Incheon Intl
Korean Air Logo
11:50 - 22:45IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
22h 55m1 stop Incheon Intl
฿38,267Korean Air
Wed 4 Nov - Sun 8 Nov
Korean Air Logo
00:20 - 09:50CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
21h 30m1 stop Incheon Intl
Korean Air Logo
11:50 - 22:45IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
22h 55m1 stop Incheon Intl
฿38,300Korean Air
Thu 14 Jan - Thu 6 May
ออสเตรียนแอร์ไลน์ Logo
10:10 - 14:10CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
40h 00m2 stops Bangkok Suvarnabhumi Vienna Intl
ออสเตรียนแอร์ไลน์ Logo
17:45 - 19:10IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
38h 25m2 stops Vienna Intl Bangkok Suvarnabhumi
฿39,093ออสเตรียนแอร์ไลน์
Thu 14 Jan - Fri 7 May
ออสเตรียนแอร์ไลน์ Logo
10:10 - 14:10CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
40h 00m2 stops Bangkok Suvarnabhumi Vienna Intl
ออสเตรียนแอร์ไลน์ Logo
17:45 - 20:30IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
39h 45m2 stops Vienna Intl Bangkok Suvarnabhumi
฿39,093ออสเตรียนแอร์ไลน์
Thu 14 Jan - Wed 5 May
ออสเตรียนแ�อร์ไลน์ Logo
10:10 - 14:10CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
40h 00m2 stops Bangkok Suvarnabhumi Vienna Intl
ออสเตรียนแอร์ไลน์ Logo
17:45 - 19:10IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
38h 25m2 stops Vienna Intl Bangkok Suvarnabhumi
฿39,093ออสเตรียนแอร์ไลน์
Booking Insights

Price, demand, and travel trends for Chiang Mai to Washington, D.C. flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Chiang Mai to Washington, D.C. with more confidence.

How much is a return flight from Chiang Mai to Washington, D.C.?

Return flights from Chiang Mai to Washington, D.C. start at ฿36,945. Prices are typical for this route right now, with typical return fares ranging from ฿34,864 to ฿42,006. The lowest price found in the past 5 days was ฿36,945 on เอทิฮัดแอร์เวย์.

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

Chiang Mai (CNX) to Washington, D.C. Dulles Intl Airport (IAD) is the cheapest Chiang Mai to Washington, D.C. route, averaging ฿35,042 return. Other Chiang Mai to Washington, D.C. routes average ฿39,789, based on KAYAK data over the past 12 months.

Find deals

Key details for Chiang Mai to Washington, D.C. flights

Low season

November

Cheapest flight

฿12,359
Most popular time to fly and prices are also 10% lower on average.
Flights from Chiang Mai to Washington, D.C. Dulles Intl 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 return price

Your Chiang Mai to Washington, D.C. flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from Chiang Mai to Washington, D.C.?

    Flights from Chiang Mai to Washington, D.C. usually depart from Chiang Mai (CNX) and may arrive at several airports in Washington, D.C. area, including Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD).

  • Which cabin classes can I book on flights from Chiang Mai to Washington, D.C.?

    Only Economy class is available on flights from Chiang Mai to Washington, D.C..

  • Which airports do connecting flights from Chiang Mai to Washington, D.C. pass through?

    Most connecting flights from Chiang Mai to Washington, D.C. pass through Incheon Intl (ICN), which handles 100% of one-stop traffic on this route. Other stopover airports each see under 5%.

  • Can I save money by using flexible dates for flights from Chiang Mai to Washington, D.C.?

    Yes. Being flexible with your travel dates can save you up to 39% on the Chiang Mai to Washington, D.C. route. Tuesday is the cheapest departure day at ฿35,028 return on average, while Monday is the most expensive at ฿56,740, a difference of ฿21,711. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Washington, D.C.?

    Some of the most popular sights in Washington, D.C. are Vietnam Veterans Memorial and Nationals Park. These are among the most viewed places in Washington, D.C. on KAYAK.

  • How long is a flight from Chiang Mai to Washington, D.C.?

    A direct flight from Chiang Mai to Washington, D.C. takes 0h 00m, covering 21,854 km.

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

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Chiang Mai to Washington, D.C. changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about ฿36,945 to ฿107,223. That means the highest observed fare was about 3x higher than the lowest one.

  • How are flight prices from Chiang Mai to Washington, D.C. looking right now?

    One-way fares from Chiang Mai to Washington, D.C. are currently lower than usual. Average one-way flight prices are about ฿17,260, which is 37% below the typical average for this route.

  • What is the time difference between Chiang Mai and Washington, D.C.?

    Washington, D.C. is 11 hours behind Chiang Mai (Eastern Time vs Indochina Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available in Washington, D.C.?

    Since Washington, D.C. is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near Washington, D.C. Reagan-National Airport (DCA) – daily rates from around ฿749:

    • Sixt
    • Dollar
    • Thrifty
    • Alamo
    • Budget

    Near Washington, D.C. Dulles Intl Airport (IAD) – daily rates from around ฿787:

    • Dollar
    • Budget
    • Hertz
    • Sixt
    • Thrifty

  • How much should I expect to pay for a Chiang Mai to Washington, D.C. flight?

    Return flights from Chiang Mai to Washington, D.C. range from ฿34,864 to ฿42,006, with an average of ฿39,789 over the past 12 months. Anything below ฿34,864 counts as a good deal.

Your guide to booking Chiang Mai to Washington, D.C. flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure instead of Monday. On this route, Tuesday flights average ฿35,028 – about ฿21,711 less than Monday (38% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Chiang Mai to Washington, D.C. trip for June. Fares historically average ฿34,632 return in that month – typically ฿17,283 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Washington, D.C. Reagan-National Airport.
    - Hyatt House Washington DC The Wharf
    - Intercontinental Hotels Washington D.C. - The Wharf By IHG
    - Canopy by Hilton Washington D.C - The Wharf

More options for your flight from Chiang Mai to Washington, D.C.

Complete your trip to Washington, D.C. with a hotel stay or car hire

Car rentals in Washington, D.C.
Hotels in Washington, D.C.