CNX - IAD

฿15,909 Find Cheap Flights from Chiang Mai to Washington Dulles Airport – Compare and Save

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Everything you should know

Cheapest return flight
฿40,364
Typical prices: ฿35,397-฿49,608
ออสเตรียนแอร์ไลน์
Thu 18/1Thu 25/1
CNX - IAD • 2 stops
Cheapest one-way flight
฿15,909
Typical prices: ฿22,791-฿33,663
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. 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
Top stopover airports
Incheon Intl (ICN)
Cheapest • Avg ฿43,993 (return)
Taipei City Taiwan Taoyuan Intl (TPE)
Shortest trip • 21h 46m (one-way)
Insights
Insights
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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

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
Thu 10 Dec - Thu 17 Dec
Multiple Airlines Logo
18:50 - 18:30CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
35h 40m3 stops Guangzhou Baiyun Shanghai Hongqiao Intl 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
฿77,418Multiple Airlines
23 hours ago
Thu 10 Dec - Thu 17 Dec
เอทิฮัดแอร์เวย์ Logo
09:10 - 09:00CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
35h 50m1 stop Abu Dhabi Zayed Intl
เอทิฮัดแอร์เวย์ Logo
14:25 - 17:55IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
39h 30m1 stop Abu Dhabi Zayed Intl
฿88,868เอทิฮัดแอร์เวย์
23 hours ago
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 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 typically range from ฿35,397 to ฿49,608. The lowest price found in the past 5 days was ฿40,364 on ออสเตรียนแอร์ไลน์.

Find deals

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

Cheapest flight

฿15,909
The most popular month to fly with an average 63% increase in travellers.
One-way flight 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 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. Dulles Intl Airport?

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

  • 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 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.

  • 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 ฿35,397 to ฿49,608, with an average of ฿35,874 over the past 12 months. Anything below ฿35,397 counts as a good deal.

  • 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 ฿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. 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 ฿20,263, which is 28% below the typical average for this route.

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

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

    Yes. Flexible dates can save you up to 31% on flights from Chiang Mai to Washington, D.C. Dulles Intl Airport. Wednesday is the cheapest departure day at ฿35,399 return on average, while Monday is the most expensive at ฿51,206, a difference of ฿15,808.

    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. Dulles Intl Airport?

    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. 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.

  • 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.

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 and avoid flying on Monday. On this route, Wednesday flights average ฿35,399, which is about ฿15,808 less than Monday fares (31% 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 ฿35,399 return in that month – typically ฿17,666 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

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