฿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 ฿37,570 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
฿37,570 Return, found 1 day ago
฿37,570
Return
found 1 day ago
Select Korean Air flight, departing Mon, 26 Oct from Chiang Mai to Washington, returning Fri, 6 Nov, priced at ฿37,570 found 1 day ago
Air China
Mon, 26 Oct - Fri, 6 Nov
CNX
Chiang Mai
IAD
Washington
฿37,795 Return, found 1 day ago
฿37,795
Return
found 1 day ago
Select Air China flight, departing Mon, 26 Oct from Chiang Mai to Washington, returning Fri, 6 Nov, priced at ฿37,795 found 1 day ago
Delta
Mon, 26 Oct - Fri, 6 Nov
CNX
Chiang Mai
IAD
Washington
฿40,950 Return, found 1 day ago
฿40,950
Return
found 1 day ago
Select Delta flight, departing Mon, 26 Oct from Chiang Mai to Washington, returning Fri, 6 Nov, priced at ฿40,950 found 1 day ago
Delta
Mon, 26 Oct - Fri, 6 Nov
CNX
Chiang Mai
IAD
Washington
฿41,010 Return, found 1 day ago
฿41,010
Return
found 1 day ago
Select Delta flight, departing Mon, 26 Oct from Chiang Mai to Washington, returning Fri, 6 Nov, priced at ฿41,010 found 1 day ago
Korean Air
Mon, 26 Oct - Fri, 6 Nov
CNX
Chiang Mai
IAD
Washington
฿41,070 Return, found 1 day ago
฿41,070
Return
found 1 day ago
Select Korean Air flight, departing Mon, 26 Oct from Chiang Mai to Washington, returning Fri, 6 Nov, priced at ฿41,070 found 1 day ago
Delta
Mon, 26 Oct - Fri, 6 Nov
CNX
Chiang Mai
IAD
Washington
฿41,135 Return, found 1 day ago
฿41,135
Return
found 1 day ago
Select Delta flight, departing Mon, 26 Oct from Chiang Mai to Washington, returning Fri, 6 Nov, priced at ฿41,135 found 1 day ago
Korean Air
Mon, 26 Oct - Fri, 6 Nov
CNX
Chiang Mai
IAD
Washington
฿41,165 Return, found 1 day ago
฿41,165
Return
found 1 day ago
Select Korean Air flight, departing Mon, 26 Oct from Chiang Mai to Washington, returning Fri, 6 Nov, priced at ฿41,165 found 1 day ago
Delta
Mon, 26 Oct - Fri, 6 Nov
CNX
Chiang Mai
IAD
Washington
฿41,195 Return, found 1 day ago
฿41,195
Return
found 1 day ago
Select Delta flight, departing Mon, 26 Oct from Chiang Mai to Washington, returning Fri, 6 Nov, priced at ฿41,195 found 1 day ago
Qatar Airways
Thu, 23 Apr - Thu, 7 May
CNX
Chiang Mai
IAD
Washington
฿43,070 Return, found 13 hours ago
฿43,070
Return
found 13 hours ago
Select Qatar Airways flight, departing Thu, 23 Apr from Chiang Mai to Washington, returning Thu, 7 May, priced at ฿43,070 found 13 hours ago
Bangkok Airways
Thu, 23 Apr - Thu, 7 May
CNX
Chiang Mai
IAD
Washington
฿44,810 Return, found 13 hours ago
฿44,810
Return
found 13 hours ago
Select Bangkok Airways flight, departing Thu, 23 Apr from Chiang Mai to Washington, returning Thu, 7 May, priced at ฿44,810 found 13 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 ฿37,570. 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
฿37,570
Distance
13506 km
*Available to Expedia members.