IAD - CNX

฿13,038 Find Cheap Flights from Washington Dulles Airport to Chiang Mai – Compare and Save

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Everything you should know

Cheapest return flight
฿30,062
Typical prices: ฿38,575-฿50,914
Korean Air
Thu 25/1Wed 7/2
IAD - CNX • 1 stop
Cheapest one-way flight
฿13,038
Typical prices: ฿20,008-฿34,678
Multiple Airlines
Tue 27/11
IAD - CNX • 2 stops
Direct flights
Not available
There are currently no direct flights between Washington, D.C. Dulles Intl Airport and Chiang Mai. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
May
Cheapest • 24% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Beijing Capital (PEK)
Cheapest • Avg ฿31,141 (return)
Taipei City Taiwan Taoyuan Intl (TPE)
Shortest trip • 21h 49m (one-way)
Insights
Insights
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We hope you enjoy your trip to Chiang Mai!
Flight Deals
Booking Insights
Flight Deals

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

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

Recent return flight deals from Dulles Intl to Chiang Mai

Mon 25 Jan - Sun 7 Feb
Korean Air Logo
11:50 - 22:45IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
22h 55m1 stop Incheon Intl
Korean Air Logo
00:20 - 09:50CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
21h 30m1 stop Incheon Intl
฿30,062Korean Air
3+ days ago
Mon 25 Jan - Sun 7 Feb
Korean Air Logo
11:50 - 22:45IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
22h 55m1 stop Incheon Intl
Korean Air Logo
00:20 - 17:30CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
29h 10m2 stops Incheon Intl New York John F Kennedy Intl
฿30,433Korean Air
3+ days ago
Mon 25 Jan - Sun 7 Feb
Korean Air Logo
18:30 - 22:45IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
40h 15m2 stops New York John F Kennedy Intl Incheon Intl
Korean Air Logo
00:20 - 17:30CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
29h 10m2 stops Incheon Intl New York John F Kennedy Intl
฿30,805Korean Air
3+ days ago
Mon 25 Jan - Sun 7 Feb
เดลต้า Logo
07:05 - 22:45IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
27h 40m2 stops Seattle/Tacoma Intl Incheon Intl
เดลต้า Logo
00:20 - 09:50CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
21h 30m1 stop Incheon Intl
฿31,785เดลต้า
3+ days ago
Mon 25 Jan - Sun 7 Feb
เดลต้า Logo
07:05 - 22:45IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
27h 40m2 stops Seattle/Tacoma Intl Incheon Intl
เดลต้า Logo
00:20 - 23:51CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
35h 31m2 stops Incheon Intl Seattle/Tacoma Intl
฿32,122เดลต้า
3+ days ago
Tue 24 Nov - Thu 3 Dec
Air China Logo
22:00 - 21:50IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
35h 50m1 stop Beijing Capital
Air China Logo
23:05 - 18:30CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
31h 25m1 stop Beijing Capital
฿33,068Air China
3+ days ago
Wed 17 Feb - Sat 27 Feb
เดลต้า Logo
11:50 - 22:45IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
22h 55m1 stop Incheon Intl
เดลต้า Logo
00:20 - 23:51CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
35h 31m2 stops Incheon Intl Seattle/Tacoma Intl
฿33,169เดลต้า
1 day ago
Wed 17 Feb - Sat 27 Feb
เดลต้า Logo
06:00 - 22:45IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
28h 45m2 stops Atlanta Hartsfield-Jackson Incheon Intl
เดลต้า Logo
00:20 - 23:51CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
35h 31m2 stops Incheon Intl Seattle/Tacoma Intl
฿33,304เดลต้า
1 day ago
Thu 21 Jan - Mon 22 Feb
เดลต้า Logo
18:30 - 22:45IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
40h 15m2 stops New York John F Kennedy Intl Incheon Intl
เดลต้า Logo
00:20 - 18:26CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
30h 06m2 stops Incheon Intl Atlanta Hartsfield-Jackson
฿33,507เดลต้า
3+ days ago
Fri 27 Nov - Mon 7 Dec
Air China Logo
22:00 - 21:50IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
35h 50m1 stop Beijing Capital
Air China Logo
23:05 - 18:30CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
31h 25m1 stop Beijing Capital
฿33,912Air China
3+ days ago
Booking Insights

Price, demand, and travel trends for Washington, D.C. Dulles Intl Airport to Chiang Mai 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 Washington, D.C. Dulles Intl Airport to Chiang Mai?

Return flights from Washington, D.C. Dulles Intl Airport to Chiang Mai typically range from ฿38,575 to ฿50,914. The lowest price found in the past 5 days was ฿30,062 on Korean Air.

What's the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Chiang Mai?

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Chiang Mai. It's 12% cheaper than the average day, while Friday is the most expensive, with prices 14% higher.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Chiang Mai?

•May is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Chiang Mai at ฿32,224 return.
•June (฿51,679) and July (฿46,376) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 60% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

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

Low season

April

Cheapest flight

฿13,038
Beat the crowds with an average 76% drop in travellers.
The most popular month to fly with an average 116% increase in travellers.
One-way flight from Washington, D.C. Dulles Intl Airport to Chiang Mai

When to book flights from Dulles Intl to Chiang Mai

Are your dates flexible? Find out the best times to travel from Dulles Intl to Chiang Mai based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Washington, D.C. Dulles Intl Airport to Chiang Mai 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 Washington, D.C. Dulles Intl Airport to Chiang Mai?

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

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

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

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

    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 Washington, D.C. Dulles Intl Airport to Chiang Mai flight?

    Return flights from Washington, D.C. Dulles Intl Airport to Chiang Mai range from ฿38,575 to ฿50,914, with an average of ฿42,521 over the past 12 months. Anything below ฿38,575 counts as a good deal.

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

    One-way fares from Washington, D.C. Dulles Intl Airport to Chiang Mai are currently lower than usual. Average one-way flight prices are about ฿16,953, which is 34% below the typical average for this route.

  • Which car hire options are available at Chiang Mai Airport (CNX)?

    Chiang Mai Airport (CNX) hosts 5 major car rental companies, with daily rates starting from around ฿420 for economy cars. Top options include:

    • Drive Car Rental
    • Alamo
    • Sixt
    • Yesaway
    • ASAP Car Rentals

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

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

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

    One-stop flights from Washington, D.C. Dulles Intl Airport to Chiang Mai most commonly connect through:

    • Incheon Intl (ICN) – 49% of one-stop connections
    • Taipei City Taiwan Taoyuan Intl (TPE) – 42% of one-stop connections
    • Abu Dhabi Zayed Intl (AUH) – 8% of one-stop connections
    • Beijing Capital (PEK) – 1% of one-stop connections

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

    Yes. Flexible dates can save you up to 23% on flights from Washington, D.C. Dulles Intl Airport to Chiang Mai. Sunday is the cheapest departure day at ฿37,831 return on average, while Friday is the most expensive at ฿48,639, a difference of ฿10,809.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

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

    Flying via Taipei City Taiwan Taoyuan Intl (TPE) gives the shortest average 1-stop total travel time of 21h 49m, compared to 22h 19m via Incheon Intl (ICN) and 31h 48m via Abu Dhabi Zayed Intl (AUH).

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

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

  • What popular places can I visit in Chiang Mai?

    Some of the most popular sights in Chiang Mai are Tha Phae Gate, Chang Puak Gate, and Chiang Mai Gate. These are among the most viewed places in Chiang Mai on KAYAK.

Your guide to booking Washington, D.C. Dulles Intl Airport to Chiang Mai 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 Sunday departure and avoid flying on Friday. On this route, Sunday flights average ฿37,831, which is about ฿10,809 less than Friday fares (22% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to Chiang Mai trip for May. Fares historically average ฿32,224 return in that month – typically ฿19,456 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Chiang Mai Airport.

    • De Lanna Hotel
    • Le Naview @Prasingh
    • Bodhi Serene, Chiang Mai

More options for your flight from Dulles Intl to Chiang Mai

Complete your trip to Chiang Mai with a hotel stay or car hire

Car rentals in Chiang Mai
Hotels in Chiang Mai