IAD - CNX

$426 Find Cheap Flights from Washington Dulles Airport to Chiang Mai - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$876
Typical prices: $1,143-$1,472
Korean Air, Etihad Airways
Sun 11/4Sat 11/10
IAD - CNX • 2 stops
Cheapest one-way
$426
Typical prices: $582-$1,001
Korean Air
Sun 11/4
IAD - CNX • 2 stops
Nonstop 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 layover airports
Beijing Capital (PEK)
Cheapest • Avg $922 (round-trip)
Taipei City Taiwan Taoyuan Intl (TPE)
Shortest trip • 21h 50m (one-way)
Insights
Insights
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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 round-trip flight deals from Dulles Intl to Chiang Mai

Wed, Nov 4 - Tue, Nov 10
Multiple Airlines Logo
6:32 pm - 10:45 pmIAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
40h 13m2 stops New York John F Kennedy Intl Incheon Intl
Multiple Airlines Logo
9:10 am - 9:05 amCNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
35h 55m1 stop Abu Dhabi Zayed Intl
$876Multiple Airlines
Tue, Oct 27 - Tue, Nov 3
Multiple Airlines Logo
6:00 am - 10:45 pmIAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
29h 45m2 stops Atlanta Hartsfield-Jackson Incheon Intl
Multiple Airlines Logo
9:10 am - 9:05 amCNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
35h 55m1 stop Abu Dhabi Zayed Intl
$881Multiple Airlines
Tue, Oct 27 - Tue, Nov 3
Multiple Airlines Logo
12:50 pm - 10:45 pmIAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
22h 55m1 stop Incheon Intl
Multiple Airlines Logo
9:10 am - 9:05 amCNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
35h 55m1 stop Abu Dhabi Zayed Intl
$888Multiple Airlines
Tue, Feb 16 - Sat, Mar 13
Korean Air Logo
11:50 am - 10:45 pmIAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
22h 55m1 stop Incheon Intl
Korean Air Logo
12:20 am - 9:50 amCNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
21h 30m1 stop Incheon Intl
$912Korean Air
Wed, Jan 13 - Tue, Mar 2
Korean Air Logo
11:50 am - 10:45 pmIAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
22h 55m1 stop Incheon Intl
Korean Air Logo
12:20 am - 9:50 amCNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
21h 30m1 stop Incheon Intl
$912Korean Air
Tue, Feb 16 - Sat, Mar 13
Korean Air Logo
6:30 pm - 10:45 pmIAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
40h 15m2 stops New York John F Kennedy Intl Incheon Intl
Korean Air Logo
12:20 am - 9:50 amCNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
21h 30m1 stop Incheon Intl
$917Korean Air
Wed, Jan 13 - Tue, Mar 2
Delta Logo
7:05 am - 10:45 pmIAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
27h 40m2 stops Seattle/Tacoma Intl Incheon Intl
Delta Logo
12:20 am - 9:50 amCNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
21h 30m1 stop Incheon Intl
$963Delta
Sun, Nov 1 - Sun, Nov 15
Delta Logo
11:50 am - 10:45 pmIAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
22h 55m1 stop Incheon Intl
Delta Logo
12:20 am - 3:59 pmCNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
27h 39m2 stops Incheon Intl Atlanta Hartsfield-Jackson
$968Delta
Sat, Jan 9 - Wed, Mar 10
EVA Air Logo
11:55 pm - 10:35 amIAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
22h 40m1 stop Taipei City Taiwan Taoyuan Intl
EVA Air Logo
11:50 am - 8:55 pmCNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
21h 05m1 stop Taipei City Taiwan Taoyuan Intl
$1,122EVA Air
Sat, Jan 9 - Wed, Mar 10
EVA Air Logo
11:55 pm - 10:35 amIAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
22h 40m1 stop Taipei City Taiwan Taoyuan Intl
EVA Air Logo
11:50 am - 8:55 pmCNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
21h 05m1 stop Taipei City Taiwan Taoyuan Intl
$1,122EVA 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, it 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 $1,101 round-trip.
  • June ($1,696) and December ($1,486) 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

$426
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly with an average 7% increase in price.
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 round-trip 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).

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

    Two cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to Chiang Mai:

    • Economy Class
    • Business Class

  • 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 $1,120 round-trip on average, while Saturday is the most expensive at $1,383: a $263 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 Chiang Mai Night Bazaar, Tha Phae Gate and Mae Ping River. 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 nonstop flight from Washington, D.C. Dulles Intl Airport to Chiang Mai takes 0h 00m, covering 8,436 miles.

  • 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, round-trip prices on this route showed a wide range, from about $876 to $7,618. 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 $528, which is 25% below the typical average for this route.

  • How much time can I save by choosing a different layover 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 at 21h 50m, compared with 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.

  • What car rental options are available at Chiang Mai Airport (CNX)?

    Chiang Mai Airport (CNX) hosts 5 major car rental companies, with daily rates starting from around $12 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?

    Round-trip flights from Washington, D.C. Dulles Intl Airport to Chiang Mai range from $1,143 to $1,472, with an average of $1,253 over the past 12 months. Anything below $1,143 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 can be flexible, aim for a Sunday departure instead of Saturday. On this route, Sunday flights average $1,120 - about $263 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 $1,101 round-trip in that month - typically $595 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
    - The Inside House

More options for your flight from Dulles Intl to Chiang Mai

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

Car rentals in Chiang Mai
Hotels in Chiang Mai
Vacations in Chiang Mai