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Cheap flights from District of Columbia to Chiang Mai from $555

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Chiang Mai departing on 2/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from District of Columbia to Chiang Mai

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:29 am - 8:45 amIAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
37h 16m2 stops Vancouver Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
11:00 pm - 3:25 pmCNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
51h 25m2 stops Incheon Intl Toronto Pearson Intl
$983Multiple Airlines
Wed, Sep 16 - Wed, Sep 30
Korean Air Logo
11:50 am - 10:55 pmIAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
23h 05m1 stop Incheon Intl
Korean Air Logo
12:15 am - 9:50 amCNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
21h 35m1 stop Incheon Intl
$1,040Korean Air
Wed, Dec 2 - Tue, Dec 8
Korean Air Logo
11:50 am - 10:55 pmIAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
23h 05m1 stop Incheon Intl
Korean Air Logo
12:15 am - 9:50 amCNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
21h 35m1 stop Incheon Intl
$1,040Korean Air
Wed, Dec 2 - Sun, Dec 6
Korean Air Logo
11:50 am - 10:55 pmIAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
23h 05m1 stop Incheon Intl
Korean Air Logo
12:15 am - 9:50 amCNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
21h 35m1 stop Incheon Intl
$1,040Korean Air
Thu, Dec 3 - Wed, Dec 9
Delta Logo
6:00 am - 10:55 pmIAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
29h 55m2 stops Atlanta Hartsfield-Jackson Incheon Intl
Delta Logo
12:15 am - 12:39 amCNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
36h 24m2 stops Incheon Intl Atlanta Hartsfield-Jackson
$1,051Delta
Wed, Oct 28 - Tue, Nov 10
Delta Logo
6:10 am - 10:55 pmDCA  Washington, D.C. Reagan-National-CNX Chiang Mai
28h 45m2 stops Detroit Metropolitan Wayne County Incheon Intl
Delta Logo
12:15 am - 10:44 pmCNX  Chiang Mai-DCA Washington, D.C. Reagan-National
34h 29m2 stops Incheon Intl Atlanta Hartsfield-Jackson
$1,051Delta
Wed, Dec 2 - Mon, Dec 7
EVA Air Logo
1:15 am - 7:10 pmIAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
30h 55m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
EVA Air Logo
11:35 am - 10:00 pmCNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
21h 25m1 stop Taipei City Taiwan Taoyuan Intl
$1,070EVA Air
Wed, Sep 9 - Wed, Sep 23
Multiple Airlines Logo
9:00 pm - 11:15 amIAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
27h 15m2 stops Doha Hamad Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
4:55 pm - 8:45 amCNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
26h 50m2 stops Bangkok Suvarnabhumi Doha Hamad Intl
$1,074Multiple Airlines
Wed, Oct 7 - Wed, Oct 21
Multiple Airlines Logo
8:29 am - 11:15 amIAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
39h 46m2 stops Vancouver Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
11:00 pm - 11:21 amCNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
47h 21m2 stops Incheon Intl Toronto Pearson Intl
$1,078Multiple Airlines
Wed, Sep 16 - Wed, Sep 30
EVA Air Logo
11:55 pm - 7:00 pmIAD  Washington, D.C. Dulles Intl-CNX Chiang Mai
31h 05m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
EVA Air Logo
7:45 pm - 8:55 pmCNX  Chiang Mai-IAD Washington, D.C. Dulles Intl
37h 10m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,118EVA Air
Sat, Nov 28 - Sun, Dec 6

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Korean Air flights from District of Columbia to Chiang Mai

Our best Korean Air deals on District of Columbia to Chiang Mai flight tickets
Korean Air
Dec 2
IAD11:50 amWashington, D.C. Dulles Intl
23h 05m
1 stop
CNX10:55 pmChiang Mai
Dec 7
CNX12:15 amChiang Mai
21h 35m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
$1,040
Korean Air
Nov 11
IAD11:50 amWashington, D.C. Dulles Intl
23h 05m
1 stop
CNX10:55 pmChiang Mai
Dec 1
CNX12:15 amChiang Mai
21h 35m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
$1,041
Korean Air
Dec 2
IAD8:00 amWashington, D.C. Dulles Intl
26h 55m
2 stops
CNX10:55 pmChiang Mai
Dec 9
CNX12:15 amChiang Mai
21h 35m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
$1,046

Qatar Airways flights from District of Columbia to Chiang Mai

Our best Qatar Airways deals on District of Columbia to Chiang Mai flight tickets
Qatar Airways
Sep 27
IAD9:00 pmWashington, D.C. Dulles Intl
35h 10m
2 stops
CNX7:10 pmChiang Mai
Oct 12
CNX8:00 pmChiang Mai
54h 40m
2 stops
IAD3:40 pmWashington, D.C. Dulles Intl
$1,104
Qatar Airways
Jan 17
IAD8:05 pmWashington, D.C. Dulles Intl
34h 55m
2 stops
CNX7:00 pmChiang Mai
Jan 31
CNX7:45 pmChiang Mai
32h 10m
2 stops
IAD3:55 pmWashington, D.C. Dulles Intl
$1,124
Qatar Airways
Jan 17
IAD8:05 pmWashington, D.C. Dulles Intl
34h 55m
2 stops
CNX7:00 pmChiang Mai
Jan 31
CNX7:45 pmChiang Mai
32h 10m
2 stops
IAD3:55 pmWashington, D.C. Dulles Intl
$1,160

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia to Chiang Mai that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 8, 2026.
Use the filters below to find and compare flights from District of Columbia to Chiang Mai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Wed 9/16

8:29 am-8:45 am

2 stops37h 16m

Chiang Mai

Wed 9/30

11:00 pm-3:25 pm

2 stops51h 25m

$983
Quickest round-trip

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Wed 12/2

11:50 am-10:55 pm

1 stop23h 05m

Chiang Mai

Tue 12/8

12:15 am-9:50 am

1 stop21h 35m

$1,040

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Wed 12/2

11:50 am-10:55 pm

1 stop23h 05m

Chiang Mai

Sun 12/6

12:15 am-9:50 am

1 stop21h 35m

$1,040

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Thu 12/3

11:50 am-10:55 pm

1 stop23h 05m

Chiang Mai

Wed 12/9

12:15 am-9:50 am

1 stop21h 35m

$1,040

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Wed 10/28

6:00 am-10:55 pm

2 stops29h 55m

Chiang Mai

Tue 11/10

12:15 am-12:39 am

2 stops36h 24m

$1,051

Washington, D.C.Chiang Mai

DCA Washington, D.C. Reagan-National - CNX Chiang Mai

DCACNX

Washington, D.C. Reagan-National

Wed 12/2

6:10 am-10:55 pm

2 stops28h 45m

Chiang Mai

Mon 12/7

12:15 am-10:44 pm

2 stops34h 29m

$1,051

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Wed 9/9

1:15 am-7:10 pm

2 stops30h 55m

Chiang Mai

Wed 9/23

11:35 am-10:00 pm

1 stop21h 25m

$1,070

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Wed 10/7

9:00 pm-11:15 am

2 stops27h 15m

Chiang Mai

Wed 10/21

4:55 pm-8:45 am

2 stops26h 50m

$1,074

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Wed 9/16

8:29 am-11:15 am

2 stops39h 46m

Chiang Mai

Wed 9/30

11:00 pm-11:21 am

2 stops47h 21m

$1,078

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Sat 11/28

11:55 pm-7:00 pm

2 stops31h 05m

Chiang Mai

Sun 12/6

7:45 pm-8:55 pm

2 stops37h 10m

$1,118

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chiang Mai from

How to get the cheapest flight ticket from District of Columbia to Chiang Mai

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Chiang Mai?

If you don’t want to visit Chiang Mai in August, then you should wait until January to fly from District of Columbia, when ticket prices are also cheap, with an average price of $1,219.

Can stopping save me money on District of Columbia to Chiang Mai flights?

You could potentially save up to 11% on your flight if you consider stops on a District of Columbia to Chiang Mai flight.

Cheap District of Columbia to Chiang Mai flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Chiang Mai

Fastest flight time

22h 40m

Direct flights

None
The fastest flight from District of Columbia to Chiang Mai takes 22h 40m
There are no direct flights from District of Columbia to Chiang Mai. There are no popular flight routes from District of Columbia to Chiang Mai.
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Frequently asked questions about flying from District of Columbia to Chiang Mai

  • When did momondo last update prices for flights from District of Columbia to Chiang Mai Airport?

    Prices for flights from District of Columbia to Chiang Mai Airport were last updated today.

  • How many operators does momondo search for flights from District of Columbia to Chiang Mai Airport?

  • How old do you have to be to fly from District of Columbia to Chiang Mai Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from District of Columbia to Chiang Mai Airport.

  • What documentation or ID do you need to fly to Chiang Mai Airport?

    The necessary travel and health documents for your Chiang Mai Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from District of Columbia to Chiang Mai

Compare and see reviews for airlines that fly from District of Columbia to Chiang Mai with momondo
Airline
Rating
Free Cancellation
Price
Korean AirPriceFrom $673Free CancellationRating
8.4
1,222 reviews
Search Korean Air flights
DeltaPriceFrom $798Free CancellationRating
7.8
8,502 reviews
Search Delta flights
EVA AirPriceFrom $1,040Free CancellationRating
8.5
1,513 reviews
Search EVA Air flights

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Chiang Mai?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chiang Mai from District of Columbia.

Can I find flights from District of Columbia to Chiang Mai with flexible booking policies on momondo?

momondo does allow users to show only those flights to Chiang Mai from District of Columbia which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from District of Columbia to Chiang Mai?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from District of Columbia to Chiang Mai.

I’m not ready to book a flight from District of Columbia to Chiang Mai right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Chiang Mai from District of Columbia. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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