฿21,365 Cheap Flights from Chiang Mai (CNX) to Washington (IAD)

View ฿21,365 flight on Thu, 1 Oct 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 ฿21,365 for one-way flights and ฿37,535 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Mon, 26 Oct - Fri, 6 Nov
CNX
Chiang Mai
IAD
Washington
฿37,535 Return, found 7 hours ago
฿37,535
Return
found 7 hours ago
Select Korean Air flight, departing Mon, 26 Oct from Chiang Mai to Washington, returning Fri, 6 Nov, priced at ฿37,535 found 7 hours ago
Air China
Mon, 26 Oct - Fri, 6 Nov
CNX
Chiang Mai
IAD
Washington
฿37,740 Return, found 7 hours ago
฿37,740
Return
found 7 hours ago
Select Air China flight, departing Mon, 26 Oct from Chiang Mai to Washington, returning Fri, 6 Nov, priced at ฿37,740 found 7 hours ago
China Airlines
Mon, 14 Sept - Mon, 21 Sept
CNX
Chiang Mai
IAD
Washington
฿38,220 Return, found 7 hours ago
฿38,220
Return
found 7 hours ago
Select China Airlines flight, departing Mon, 14 Sept from Chiang Mai to Washington, returning Mon, 21 Sept, priced at ฿38,220 found 7 hours ago
Air Canada
Mon, 14 Sept - Mon, 21 Sept
CNX
Chiang Mai
IAD
Washington
฿39,665 Return, found 7 hours ago
฿39,665
Return
found 7 hours ago
Select Air Canada flight, departing Mon, 14 Sept from Chiang Mai to Washington, returning Mon, 21 Sept, priced at ฿39,665 found 7 hours ago
Delta
Mon, 26 Oct - Fri, 6 Nov
CNX
Chiang Mai
IAD
Washington
฿40,915 Return, found 7 hours ago
฿40,915
Return
found 7 hours ago
Select Delta flight, departing Mon, 26 Oct from Chiang Mai to Washington, returning Fri, 6 Nov, priced at ฿40,915 found 7 hours ago
Delta
Mon, 26 Oct - Fri, 6 Nov
CNX
Chiang Mai
IAD
Washington
฿40,975 Return, found 7 hours ago
฿40,975
Return
found 7 hours ago
Select Delta flight, departing Mon, 26 Oct from Chiang Mai to Washington, returning Fri, 6 Nov, priced at ฿40,975 found 7 hours ago
Qatar Airways
Thu, 30 Apr - Wed, 6 May
CNX
Chiang Mai
IAD
Washington
฿40,990 Return, found 9 hours ago
฿40,990
Return
found 9 hours ago
Select Qatar Airways flight, departing Thu, 30 Apr from Chiang Mai to Washington, returning Wed, 6 May, priced at ฿40,990 found 9 hours ago
Korean Air
Mon, 26 Oct - Fri, 6 Nov
CNX
Chiang Mai
IAD
Washington
฿41,035 Return, found 7 hours ago
฿41,035
Return
found 7 hours ago
Select Korean Air flight, departing Mon, 26 Oct from Chiang Mai to Washington, returning Fri, 6 Nov, priced at ฿41,035 found 7 hours ago
Delta
Mon, 26 Oct - Fri, 6 Nov
CNX
Chiang Mai
IAD
Washington
฿41,100 Return, found 7 hours ago
฿41,100
Return
found 7 hours ago
Select Delta flight, departing Mon, 26 Oct from Chiang Mai to Washington, returning Fri, 6 Nov, priced at ฿41,100 found 7 hours ago
Qatar Airways
Thu, 30 Apr - Wed, 6 May
CNX
Chiang Mai
IAD
Washington
฿41,120 Return, found 9 hours ago
฿41,120
Return
found 9 hours ago
Select Qatar Airways flight, departing Thu, 30 Apr from Chiang Mai to Washington, returning Wed, 6 May, priced at ฿41,120 found 9 hours ago

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 ฿37,535. 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.

Travel information

Origin airport
Chiang Mai Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Austrian Airlines, Etihad Airways, KLM, Korean Air, Qatar Airways, Swiss International Air Lines
Return price
฿37,535
Distance
13506 km
*Available to Expedia members.