฿21,000 Cheap Flights from Chiang Mai (CNX) to Washington (IAD)

View ฿21,000 flight on Mon, 9 Mar 2026Opens in a new window

Popular airlines from Chiang Mai Intl. Airport (CNX) to Washington Dulles International Airport (IAD)

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Cheap Flights from Chiang Mai (CNX) to Washington (IAD)

Prices were available within the past 7 days and start at ฿21,000 for one-way flights and ฿37,180 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Airlines
Thu, 27 Nov - Tue, 3 Mar
CNX
Chiang Mai
IAD
Washington
฿37,180 Return, found 1 day ago
฿37,180
Return
found 1 day ago
Select China Airlines flight, departing Thu, 27 Nov from Chiang Mai to Washington, returning Tue, 3 Mar, priced at ฿37,180 found 1 day ago
Korean Air
Wed, 3 Sep - Thu, 4 Dec
CNX
Chiang Mai
IAD
Washington
฿39,551 Return, found 1 day ago
฿39,551
Return
found 1 day ago
Select Korean Air flight, departing Wed, 3 Sep from Chiang Mai to Washington, returning Thu, 4 Dec, priced at ฿39,551 found 1 day ago
Delta
Mon, 8 Sep - Fri, 12 Sep
CNX
Chiang Mai
IAD
Washington
฿39,665 Return, found 1 day ago
฿39,665
Return
found 1 day ago
Select Delta flight, departing Mon, 8 Sep from Chiang Mai to Washington, returning Fri, 12 Sep, priced at ฿39,665 found 1 day ago
EVA Airways
Wed, 3 Sep - Thu, 4 Dec
CNX
Chiang Mai
IAD
Washington
฿40,545 Return, found 1 day ago
฿40,545
Return
found 1 day ago
Select EVA Airways flight, departing Wed, 3 Sep from Chiang Mai to Washington, returning Thu, 4 Dec, priced at ฿40,545 found 1 day ago
EVA Airways
Mon, 8 Sep - Fri, 12 Sep
CNX
Chiang Mai
IAD
Washington
฿40,960 Return, found 1 day ago
฿40,960
Return
found 1 day ago
Select EVA Airways flight, departing Mon, 8 Sep from Chiang Mai to Washington, returning Fri, 12 Sep, priced at ฿40,960 found 1 day ago
Delta
Mon, 8 Sep - Fri, 12 Sep
CNX
Chiang Mai
IAD
Washington
฿41,665 Return, found 1 day ago
฿41,665
Return
found 1 day ago
Select Delta flight, departing Mon, 8 Sep from Chiang Mai to Washington, returning Fri, 12 Sep, priced at ฿41,665 found 1 day ago
Scoot
Thu, 27 Nov - Tue, 3 Mar
CNX
Chiang Mai
IAD
Washington
฿41,725 Return, found 1 day ago
฿41,725
Return
found 1 day ago
Select Scoot flight, departing Thu, 27 Nov from Chiang Mai to Washington, returning Tue, 3 Mar, priced at ฿41,725 found 1 day ago
Scoot
Thu, 27 Nov - Tue, 3 Mar
CNX
Chiang Mai
IAD
Washington
฿42,105 Return, found 1 day ago
฿42,105
Return
found 1 day ago
Select Scoot flight, departing Thu, 27 Nov from Chiang Mai to Washington, returning Tue, 3 Mar, priced at ฿42,105 found 1 day ago
Scoot
Thu, 27 Nov - Tue, 3 Mar
CNX
Chiang Mai
IAD
Washington
฿42,110 Return, found 1 day ago
฿42,110
Return
found 1 day ago
Select Scoot flight, departing Thu, 27 Nov from Chiang Mai to Washington, returning Tue, 3 Mar, priced at ฿42,110 found 1 day ago
EVA Airways
Mon, 8 Sep - Fri, 12 Sep
CNX
Chiang Mai
IAD
Washington
฿42,285 Return, found 1 day ago
฿42,285
Return
found 1 day ago
Select EVA Airways flight, departing Mon, 8 Sep from Chiang Mai to Washington, returning Fri, 12 Sep, priced at ฿42,285 found 1 day ago

Find the cheapest month to fly from Chiang Mai (CNX) to Washington (IAD)

October is typically the cheapest month to fly

From ฿34,808 - ฿52,655 per traveller.

Graph displaying average flight prices per month

Flight from Chiang Mai to Washington route information
Origin airport
Chiang Mai Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Air Canada, Air China, Asiana Airlines, Austrian Airlines, Delta, Etihad Airways, KLM, Korean Air, Lufthansa, Qatar Airways, Swiss International Air Lines
Return price
฿37,180
Distance
13506 km

Perfect flights from Chiang Mai to Washington

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Chiang Mai to Washington. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Chiang Mai Intl. to Washington Dulles Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿21,000 and roundtrip prices from ฿37,180. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Washington Dulles Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Washington.

Frequently asked questions

How much is a flight from Chiang Mai Intl. Airport (CNX) to IAD?
Based on fares quoted within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between Chiang Mai Intl. Airport (CNX) and IAD start from ฿37,180. Make your booking today to secure the best price for your trip. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Chiang Mai Airport to Washington Dulles Intl. Airport (IAD)?
When it comes to cancellation fees, every airline has different terms and conditions. If you decide to cancel your escape, visit our Customer Service Portal.
How do I find cheap flights from CNX to Washington Dulles Intl. Airport (IAD) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Chiang Mai Airport to Washington Dulles Intl. Airport (IAD) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from CNX to Dulles Intl. Airport?
The distance is around 13,600 kilometres, so pack your carry-on luggage with all you need to make your journey comfortable. Not sure what to take on board your Chiang Mai to Chantilly flight? A neck pillow, earplugs and a sleep mask are among the essentials.
Which airlines fly direct from CNX to IAD?
Unfortunately, there aren't any airlines that fly direct between CNX and Dulles Intl. Airport. You'll need to book a flight with at least one stop.
Are CNX to Dulles Intl. Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to get an awesome last-minute deal from Chiang Mai Airport to Dulles Intl. Airport, but there's no guarantee. As many airlines release seats up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to book when you spot a bargain. Expedia compares air carrier prices and updates flight deals all the time, so you can rest assured you're always seeing the latest offers.

Explore a world of travel with Expedia

Washington Airports

Washington

Chiang Mai to Ronald Reagan Washington National
฿39,350.00

Baltimore

*Available to Expedia members.