CNX - WAS

฿15,909 Find Cheap Flights from Chiang Mai to Washington, D.C. – Compare and Save

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Everything you should know

Cheapest return flight
฿40,364
Typical prices: ฿35,397-฿47,469
ออสเตรียนแอร์ไลน์
Thu 18/1Thu 25/1
CNX - IAD • 2 stops
Cheapest one-way flight
฿15,909
Typical prices: ฿23,041-฿33,353
Air China
Mon 10/12
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.
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Top routes
CNX - IAD
Cheapest • 14% average savings
CNX - DCA
Most popular
Insights
Insights
When to travel
June
Cheapest • 8% price drop
May
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Incheon Intl (ICN)
Cheapest • Avg ฿43,993 (return)
Taipei City Taiwan Taoyuan Intl (TPE)
Shortest trip • 21h 46m (one-way)
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Insights
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We hope you enjoy your trip to Washington, D.C.!
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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.

Mon 18 Jan - Mon 25 Jan
ออสเตรียนแอร์ไลน์ Logo
19:45 - 14:10CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
30h 25m2 stops Bangkok Suvarnabhumi Vienna Intl
ออสเตรียนแอร์ไลน์ Logo
18:10 - 19:00IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
36h 50m2 stops Vienna Intl Bangkok Suvarnabhumi
฿40,364ออสเตรียนแอร์ไลน์
3 hours ago
Mon 18 Jan - Mon 25 Jan
ออสเตรียนแอร์ไลน์ Logo
19:45 - 14:10CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
30h 25m2 stops Bangkok Suvarnabhumi Vienna Intl
ออสเตรียนแอร์ไลน์ Logo
18:20 - 19:00IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
36h 40m3 stops London Heathrow Vienna Intl Bangkok Suvarnabhumi
฿41,107ออสเตรียนแอร์ไลน์
3 hours ago
Mon 18 Jan - Mon 25 Jan
ออสเตรียนแอร์ไลน์ Logo
19:45 - 15:40CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
31h 55m3 stops Bangkok Suvarnabhumi Vienna Intl London Heathrow
ออสเตรียนแอร์ไลน์ Logo
18:20 - 19:00IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
36h 40m3 stops London Heathrow Vienna Intl Bangkok Suvarnabhumi
฿42,762ออสเตรียนแอร์ไลน์
3 hours ago
Mon 18 Jan - Mon 25 Jan
Multiple Airlines Logo
23:05 - 18:30CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
31h 25m1 stop Beijing Capital
Multiple Airlines Logo
23:55 - 14:40IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
26h 45m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
฿48,369Multiple Airlines
3 hours ago
Mon 18 Jan - Mon 25 Jan
Multiple Airlines Logo
23:05 - 18:30CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
31h 25m1 stop Beijing Capital
Multiple Airlines Logo
23:35 - 23:35IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
36h 00m1 stop Incheon Intl
฿51,240Multiple Airlines
3 hours ago
Wed 9 Dec - Thu 17 Dec
เดลต้า Logo
00:20 - 09:50CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
21h 30m1 stop Incheon Intl
เดลต้า Logo
07:00 - 22:45IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
27h 45m2 stops Seattle/Tacoma Intl Incheon Intl
฿66,237เดลต้า
23 hours ago
Wed 9 Dec - Thu 17 Dec
เดลต้า Logo
00:20 - 00:41CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
36h 21m2 stops Incheon Intl Atlanta Hartsfield-Jackson
เดลต้า Logo
07:00 - 22:45IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
27h 45m2 stops Seattle/Tacoma Intl Incheon Intl
฿66,406เดลต้า
23 hours ago
Thu 10 Dec - Thu 17 Dec
Multiple Airlines Logo
22:35 - 18:30CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
31h 55m2 stops Bangkok Suvarnabhumi Beijing Capital
Multiple Airlines Logo
09:55 - 09:25IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
35h 30m3 stops Toronto Pearson Intl Abu Dhabi Zayed Intl Bangkok Suvarnabhumi
฿73,094Multiple Airlines
23 hours ago
Wed 27 Jan - Mon 1 Feb
Korean Air Logo
00:20 - 15:53CNX  Chiang Mai-BWI Baltimore/Washington
27h 33m2 stops Incheon Intl Atlanta Hartsfield-Jackson
Korean Air Logo
06:00 - 22:45BWI  Baltimore/Washington-CNX Chiang Mai
28h 45m2 stops Atlanta Hartsfield-Jackson Incheon Intl
฿76,202Korean Air
18 hours ago
Wed 27 Jan - Mon 1 Feb
Korean Air Logo
00:20 - 17:54CNX  Chiang Mai-BWI Baltimore/Washington
53h 34m2 stops Incheon Intl Atlanta Hartsfield-Jackson
Korean Air Logo
06:00 - 22:45BWI  Baltimore/Washington-CNX Chiang Mai
28h 45m2 stops Atlanta Hartsfield-Jackson Incheon Intl
฿76,269Korean Air
1 day ago
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 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. typically range from ฿35,397 to ฿47,469. The lowest price found in the past 5 days was ฿40,364 on ออสเตรียนแอร์ไลน์.

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 ฿35,874 return. Other Chiang Mai to Washington, D.C. routes average ฿47,469, 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

฿15,909
Beat the crowds with an average 77% drop in travellers.
The most popular month to fly with an average 62% increase in travellers.
One-way flight 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 answers about this route, including flight times, airports, airlines, and booking tips.

  • 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..

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

    A direct flight from Chiang Mai to Washington, D.C. takes 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.

  • 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 ฿35,397 to ฿47,469, with an average of ฿38,621 over the past 12 months. Anything below ฿35,397 counts as a good deal.

  • 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 ฿40,364 to ฿88,868. That means the highest observed fare was about 2x 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 ฿18,898, which is 32% below the typical average for this route.

  • 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 ฿827:

    • Sixt
    • Dollar
    • Thrifty
    • Hertz
    • Alamo

    Near Washington, D.C. Dulles Intl Airport (IAD) – daily rates from around ฿805:

    • Dollar
    • Hertz
    • Budget
    • Sixt
    • Thrifty

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

    Connecting flights from Chiang Mai to Washington, D.C. most commonly pass through:

    • Incheon Intl (ICN) – 50% of one-stop connections
    • Taipei City Taiwan Taoyuan Intl (TPE) – 50% of one-stop connections

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

    Yes. Flexible dates can save you up to 31% on flights from Chiang Mai to Washington, D.C.. Tuesday is the cheapest departure day at ฿35,804 return on average, while Monday is the most expensive at ฿51,206, a difference of ฿15,402.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different stopover airport from Chiang Mai to Washington, D.C.?

    Flying via Taipei City Taiwan Taoyuan Intl (TPE) gives the shortest average 1-stop total travel time of 21h 46m, compared to 22h 16m via Incheon Intl (ICN).

  • 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 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.

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 and avoid flying on Monday. On this route, Tuesday flights average ฿35,804, which is about ฿15,402 less than Monday fares (30% 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 ฿35,399 return in that month – typically ฿17,666 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.