Flights from Washington, D.C. to Chiang Mai from USD1,399
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1 Passenger, Economy
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Popular Flights from Washington, D.C. to Chiang Mai for Your Next Trip
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*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.
Plan Ahead with Flight Deals from Washington, D.C. to Chiang Mai
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Washington, D.C. (IAD)to
Chiang Mai (CNX)
15 Jan 2026 - 29 Jan 2026
Round-trip
Economy
From
USD1,399
Last Seen 13 hours ago
Washington, D.C. (IAD)to
Chiang Mai (CNX)
17 Jan 2026 - 31 Jan 2026
Round-trip
Economy
From
USD1,399
Last Seen 13 hours ago
Washington, D.C. (IAD)to
Chiang Mai (CNX)
20 Jan 2026 - 3 Feb 2026
Round-trip
Economy
From
USD1,399
Last Seen 13 hours ago
Washington, D.C. (IAD)to
Chiang Mai (CNX)
24 Jan 2026 - 7 Feb 2026
Round-trip
Economy
From
USD1,399
Last Seen 13 hours ago
Washington, D.C. (IAD)to
Chiang Mai (CNX)
25 Jan 2026 - 8 Feb 2026
Round-trip
Economy
From
USD1,399
Last Seen 13 hours ago
Washington, D.C. (IAD)to
Chiang Mai (CNX)
18 Jan 2026 - 1 Feb 2026
Round-trip
Economy
From
USD1,399
Last Seen 13 hours ago
Washington, D.C. (IAD)to
Chiang Mai (CNX)
1 Feb 2026 - 15 Feb 2026
Round-trip
Economy
From
USD1,399
Last Seen 13 hours ago
Washington, D.C. (IAD)to
Chiang Mai (CNX)
3 Feb 2026 - 17 Feb 2026
Round-trip
Economy
From
USD1,399
Last Seen 13 hours ago
Washington, D.C. (IAD)to
Chiang Mai (CNX)
22 Jan 2026 - 5 Feb 2026
Round-trip
Economy
From
USD1,399
Last Seen 13 hours ago
Washington, D.C. (IAD)to
Chiang Mai (CNX)
31 Jan 2026 - 14 Feb 2026
Round-trip
Economy
From
USD1,399
Last Seen 13 hours ago
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.
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