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฿19,475 Cheap Flights from Washington (IAD) to Chiang Mai (CNX)

View ฿19,475 flight on Sun, 25 Oct 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at ฿19,475 for one-way flights and ฿39,355 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Thu, 5 Nov - Mon, 7 Dec
IAD
Washington
CNX
Chiang Mai
฿39,355 Return, found 1 day ago
฿39,355
Return
found 1 day ago
Select Korean Air flight, departing Thu, 5 Nov from Washington to Chiang Mai, returning Mon, 7 Dec, priced at ฿39,355 found 1 day ago
Qatar Airways
Thu, 3 Sept - Wed, 21 Oct
IAD
Washington
CNX
Chiang Mai
฿40,020 Return, found 1 day ago
฿40,020
Return
found 1 day ago
Select Qatar Airways flight, departing Thu, 3 Sept from Washington to Chiang Mai, returning Wed, 21 Oct, priced at ฿40,020 found 1 day ago
Qatar Airways
Sun, 29 Nov - Tue, 26 Jan
IAD
Washington
CNX
Chiang Mai
฿40,110 Return, found 3 days ago
฿40,110
Return
found 3 days ago
Select Qatar Airways flight, departing Sun, 29 Nov from Washington to Chiang Mai, returning Tue, 26 Jan, priced at ฿40,110 found 3 days ago
Qatar Airways
Sun, 29 Nov - Tue, 26 Jan
IAD
Washington
CNX
Chiang Mai
฿40,150 Return, found 3 days ago
฿40,150
Return
found 3 days ago
Select Qatar Airways flight, departing Sun, 29 Nov from Washington to Chiang Mai, returning Tue, 26 Jan, priced at ฿40,150 found 3 days ago
Qatar Airways
Thu, 3 Sept - Wed, 21 Oct
IAD
Washington
CNX
Chiang Mai
฿40,390 Return, found 1 day ago
฿40,390
Return
found 1 day ago
Select Qatar Airways flight, departing Thu, 3 Sept from Washington to Chiang Mai, returning Wed, 21 Oct, priced at ฿40,390 found 1 day ago
Qatar Airways
Sun, 29 Nov - Tue, 26 Jan
IAD
Washington
CNX
Chiang Mai
฿40,480 Return, found 3 days ago
฿40,480
Return
found 3 days ago
Select Qatar Airways flight, departing Sun, 29 Nov from Washington to Chiang Mai, returning Tue, 26 Jan, priced at ฿40,480 found 3 days ago
Qatar Airways
Sun, 29 Nov - Tue, 26 Jan
IAD
Washington
CNX
Chiang Mai
฿40,520 Return, found 3 days ago
฿40,520
Return
found 3 days ago
Select Qatar Airways flight, departing Sun, 29 Nov from Washington to Chiang Mai, returning Tue, 26 Jan, priced at ฿40,520 found 3 days ago
Delta
Thu, 5 Nov - Mon, 7 Dec
IAD
Washington
CNX
Chiang Mai
฿40,900 Return, found 1 day ago
฿40,900
Return
found 1 day ago
Select Delta flight, departing Thu, 5 Nov from Washington to Chiang Mai, returning Mon, 7 Dec, priced at ฿40,900 found 1 day ago
EVA Airways
Thu, 3 Sept - Wed, 21 Oct
IAD
Washington
CNX
Chiang Mai
฿43,065 Return, found 1 day ago
฿43,065
Return
found 1 day ago
Select EVA Airways flight, departing Thu, 3 Sept from Washington to Chiang Mai, returning Wed, 21 Oct, priced at ฿43,065 found 1 day ago
Swiss International Air Lines
Sun, 29 Nov - Tue, 26 Jan
IAD
Washington
CNX
Chiang Mai
฿44,335 Return, found 3 days ago
฿44,335
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Sun, 29 Nov from Washington to Chiang Mai, returning Tue, 26 Jan, priced at ฿44,335 found 3 days ago

Frequently asked questions

How much is a flight from Washington Dulles Intl. Airport (IAD) to Chiang Mai Intl. Airport (CNX)?
If you're travelling between Washington Dulles Intl. Airport (IAD) and CNX, round-trip journeys start from ฿39,355. This figure is based on airfares listed within the last 7 days on Expedia for flights departing within the next year, so don't hang around. Book now and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from IAD to Chiang Mai Airport?
We understand that things crop up unexpectedly, so we've made it as simple as possible for you to cancel your trip online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Dulles Intl. Airport to Chiang Mai Airport 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 Washington Dulles Intl. Airport (IAD) to Chiang Mai Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Dulles Intl. Airport to Chiang Mai Airport?
Chantilly to Chiang Mai is around 13,600 kilometres, so be prepared to spend a while in the air. Make sure you pack all the essentials, from your hoodie to your headphones. Take some snacks to munch on throughout your journey too.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Chiang Mai Intl. Airport (CNX)?
Direct flights aren't available, so you'll need to make at least one stop between Washington Dulles Intl. Airport (IAD) and Chiang Mai Airport. Make the most of the layover time to stretch your legs and grab a coffee.
Are Washington Dulles Intl. Airport (IAD) to Chiang Mai Intl. Airport (CNX) flight tickets cheaper when they're purchased at the last minute?
It is possible to pick up a fantastic last-minute deal from Washington Dulles Intl. Airport (IAD) to Chiang Mai Intl. Airport (CNX), but there's no guarantee. As many airlines release seats up to a year in advance, it's worthwhile keeping an eye on fares early and being ready to book when you see a bargain. Expedia compares air carrier prices and updates flight deals all the time, so you can be sure you're always seeing the latest offers.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Chiang Mai Intl.
Airlines serving
Austrian Airlines, China Airlines, Delta, EVA Airways, Etihad Airways, KLM, Korean Air, Lufthansa, Malaysia Airlines, Qatar Airways, Swiss International Air Lines
Return price
฿39,355
Distance
13506 km

Book with confidence

Perfect flights from Washington to Chiang Mai

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Washington to Chiang Mai. 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 Washington Dulles Intl. to Chiang Mai Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿19,475 and roundtrip prices from ฿39,355. 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 Chiang Mai 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 Chiang Mai.
Perfect flights from Washington to Chiang Mai
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