CNX - IAD

฿12,359 Find Cheap Flights from Chiang Mai to Washington Dulles Airport – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
฿36,945
Typical prices: ฿34,596-฿43,786
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. Dulles Intl Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
June
Cheapest • 1% price drop
May
Most popular
Good to know
+1
Good to know
+1
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We hope you enjoy your trip to Washington, D.C. Dulles Intl Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Chiang Mai to Dulles Intl (CNX-IAD)

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

Recent return flight deals from Chiang Mai to Dulles Intl

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
ออสเตรีย��นแอร์ไลน์ 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. Dulles Intl Airport 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. Dulles Intl Airport with more confidence.

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

Return flights from Chiang Mai to Washington, D.C. Dulles Intl Airport start at ฿36,945. Prices are typical for this route right now, with typical return fares ranging from ฿34,596 to ฿43,786. The lowest price found in the past 5 days was ฿36,945 on เอทิฮัดแอร์เวย์.

Find deals

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

Low season

November

Cheapest flight

฿12,359
Most popular time to fly (2% more expensive on average)
Flights from Chiang Mai to Washington, D.C. Dulles Intl Airport

When to book flights from Chiang Mai to Dulles Intl

Are your dates flexible? Find out the best times to travel from Chiang Mai to Dulles Intl 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. Dulles Intl Airport 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. Dulles Intl Airport?

    Flights from Chiang Mai to Washington, D.C. Dulles Intl Airport usually depart from Chiang Mai (CNX) and arrive at Washington, D.C. Dulles Intl (IAD).

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

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

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

    Most connecting flights from Chiang Mai to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport?

    Yes. Being flexible with your travel dates can save you up to 39% on the Chiang Mai to Washington, D.C. Dulles Intl Airport route. Wednesday is the cheapest departure day at ฿34,632 return on average, while Monday is the most expensive at ฿56,740, a difference of ฿22,108. 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. Dulles Intl Airport?

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

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

    A direct flight from Chiang Mai to Washington, D.C. Dulles Intl Airport takes 0h 00m, covering 21,850 km.

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

    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. Dulles Intl Airport 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 ฿108,288. 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. Dulles Intl Airport looking right now?

    One-way fares from Chiang Mai to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about ฿17,461, which is 35% below the typical average for this route.

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

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

  • Which car hire options are available at Washington, D.C. Dulles Intl Airport (IAD)?

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car hire companies, with daily rates starting from around ฿787 for economy cars. Top options include:
    • Dollar
    • Budget
    • Hertz
    • Sixt
    • Thrifty

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

    Return flights from Chiang Mai to Washington, D.C. Dulles Intl Airport range from ฿34,596 to ฿43,786, with an average of ฿35,042 over the past 12 months. Anything below ฿34,596 counts as a good deal.

Your guide to booking Chiang Mai to Washington, D.C. Dulles Intl Airport 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 Wednesday departure instead of Monday. On this route, Wednesday flights average ฿34,632 – about ฿22,108 less than Monday (39% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Chiang Mai to Washington, D.C. Dulles Intl Airport 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).

More options for your flight from Chiang Mai to Dulles Intl

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.