IAD - CNX

฿14,077 Find Cheap Flights from Washington Dulles Airport to Chiang Mai – Compare and Save

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Everything you should know

Cheapest return flight
฿28,948
Typical prices: ฿37,765-฿48,640
Korean Air, เอทิฮัดแอร์เวย์
Sun 4/11Sat 10/11
IAD - CNX • 2 stops
Cheapest one-way flight
฿14,077
Typical prices: ฿19,221-฿33,089
Korean Air
Sun 4/11
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
September
Cheapest • 12% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Beijing Capital (PEK)
Cheapest • Avg ฿30,467 (return)
Taipei City Taiwan Taoyuan Intl (TPE)
Shortest trip • 21h 50m (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

Wed 4 Nov - Tue 10 Nov
Multiple Airlines Logo
18:32 - 22:45IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
40h 13m2 stops New York John F Kennedy Intl Incheon Intl
Multiple Airlines Logo
09:10 - 09:05CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
35h 55m1 stop Abu Dhabi Zayed Intl
฿28,948Multiple Airlines
Wed 4 Nov - Tue 10 Nov
Multiple Airlines Logo
12:30 - 22:45IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
46h 15m2 stops New York John F Kennedy Intl Incheon Intl
Multiple Airlines Logo
09:10 - 09:05CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
35h 55m1 stop Abu Dhabi Zayed Intl
฿29,080Multiple Airlines
Wed 4 Nov - Tue 10 Nov
Multiple Airlines Logo
18:32 - 22:45IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
40h 13m2 stops New York John F Kennedy Intl Incheon Intl
Multiple Airlines Logo
09:10 - 09:05CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
35h 55m1 stop Abu Dhabi Zayed Intl
฿29,675Multiple Airlines
Tue 16 Feb - Sat 13 Mar
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
฿30,138Korean Air
Wed 4 Nov - Tue 10 Nov
Multiple Airlines Logo
18:32 - 22:45IAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
40h 13m2 stops New York John F Kennedy Intl Incheon Intl
Multiple Airlines Logo
09:10 - 09:05CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
35h 55m1 stop Abu Dhabi Zayed Intl
฿30,270Multiple Airlines
Tue 16 Feb - Sat 13 Mar
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 - 09:50CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
21h 30m1 stop Incheon Intl
฿30,303Korean Air
Sun 17 Jan - Mon 25 Jan
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
฿30,501Korean Air
Sun 10 Jan - Sat 6 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 - 09:50CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
21h 30m1 stop Incheon Intl
฿30,666Korean Air
Sun 10 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 - 09:50CNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
21h 30m1 stop Incheon Intl
฿30,699Korean Air
Sun 10 Jan - Sat 6 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
฿30,865Korean Air
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 from Washington, D.C. Dulles Intl Airport to Chiang Mai with more confidence.

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

Sunday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Chiang Mai and is 11% cheaper than the average day. Saturday is the most expensive day with flight prices 10% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • September is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Chiang Mai at ฿36,383 return.
  • June (฿56,046) and December (฿49,106) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 54% 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

฿14,077
Best time to beat the crowds (6% less expensive on average)
Most popular time to fly (7% more expensive on average)
Flights 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 route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • 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 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.

  • 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) – 51% of one-stop connections
    • Taipei City Taiwan Taoyuan Intl (TPE) – 38% of one-stop connections
    • Abu Dhabi Zayed Intl (AUH) – 10% of one-stop connections
    • Beijing Capital (PEK) – 1% of one-stop connections

    Incheon Intl (ICN) handles the largest share of one-stop connections on this route.

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

    On the Washington, D.C. Dulles Intl Airport to Chiang Mai route, being flexible with your departure day can save you up to 20%. Sunday is the cheapest day at ฿37,011 return on average, while Saturday is the most expensive at ฿45,702 – a ฿8,691 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What popular places can I visit in Chiang Mai?

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

  • 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 0h 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.

  • Have flight prices from Washington, D.C. Dulles Intl Airport to Chiang Mai 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 ฿28,948 to ฿261,226. That means the highest observed fare was about 9x higher than the lowest one.

  • 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 ฿16,394, which is 29% below the typical average for this route.

  • 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 50m, compared to 22h 22m 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.

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

    Chiang Mai Airport (CNX) hosts 5 major car hire companies, with daily rates starting from around ฿411 for economy cars. Top options include:
    • Drive Car Rental
    • Alamo
    • Sixt
    • Hertz
    • Yesaway

  • 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 ฿37,765 to ฿48,640, with an average of ฿41,418 over the past 12 months. Anything below ฿37,765 counts as a good deal.

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 instead of Saturday. On this route, Sunday flights average ฿37,011 – about ฿8,691 less than Saturday (19% 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 September. Fares historically average ฿36,383 return in that month – typically ฿19,662 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.
    - Le Naview @Prasingh
    - Bodhi Serene, Chiang Mai
    - 99 The Gallery Hotel

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