How long is the flight from District of Columbia to Chiang Mai?

Departing from District of Columbia to Chiang Mai will take you 27h 56m. There are 8441 mi between District of Columbia and Chiang Mai. Both multi-stop and nonstop flights can be found to your destination and back.

In terms of precipitation, rainfall in Chiang Mai ranges from 0.0 - 9.8 inches per month. September is typically the wettest month, when rainfall can reach 9.8 in. January is typically the driest time to visit Chiang Mai when rainfall is around 0.0 in.

If weather is an important factor for your trip to Chiang Mai, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

What airport do you fly into for flights to Chiang Mai from District of Columbia?

Chiang Mai (CNX) is the airport you will fly into if you book a flight from District of Columbia to Chiang Mai. It is only a 1.9 mi journey from Chiang Mai (CNX) to Chiang Mai’s city center.

How can I find direct flights from District of Columbia to Chiang Mai?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Chiang Mai.

Can I find deals for business class flights from District of Columbia to Chiang Mai?

Yes. Cheapflights offers flight deals from District of Columbia to Chiang Mai by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$528+ Cheap Flights from District of Columbia to Chiang Mai

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from District of Columbia to Chiang Mai with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from District of Columbia to Chiang Mai

Cheapest flights from District of Columbia to Chiang Mai
Explore the most affordable flight options available from District of Columbia to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.

Sun 11/97:43 amIAD - CNX

2 stops38h 42mChina Airlines

Sun 11/1611:25 amCNX - IAD

2 stops30h 58mChina Airlines

Deal found 10/30

$1,074

Tue 12/211:10 amIAD - CNX

2 stops36h 10mMultiple Airlines

Tue 12/912:10 pmCNX - IAD

2 stops33h 00mMultiple Airlines

Deal found 11/1

$1,076

Tue 12/29:15 pmIAD - CNX

2 stops53h 30mTurkish Airlines

Mon 2/239:05 pmCNX - IAD

2 stops58h 15mTurkish Airlines

Deal found 11/1

$1,087

Wed 11/266:59 amDCA - CNX

2 stops27h 56mKorean Air

Fri 12/512:15 amCNX - DCA

2 stops29h 47mKorean Air

Deal found 10/31

$1,118

Tue 12/27:15 amIAD - CNX

2 stops27h 40mDelta

Mon 12/812:15 amCNX - IAD

1 stop21h 35mDelta

Deal found 11/1

$1,137

Sun 11/96:13 pmIAD - CNX

2 stops28h 22mEVA Air

Sun 11/1611:50 amCNX - IAD

2 stops30h 33mEVA Air

Deal found 11/1

$1,148

Wed 11/2611:50 amIAD - CNX

1 stop23h 05mDelta

Fri 12/512:15 amCNX - IAD

2 stops35h 12mDelta

Deal found 10/31

$1,158

Sun 11/97:15 amIAD - CNX

2 stops27h 40mDelta

Sat 11/1512:15 amCNX - IAD

2 stops36h 39mDelta

Deal found 11/1

$1,177

Wed 11/2610:40 amIAD - CNX

2 stops34h 45mQatar Airways

Sat 12/67:45 pmCNX - IAD

2 stops56h 10mQatar Airways

Deal found 10/31

$1,213

Tue 12/211:10 amIAD - CNX

2 stops34h 15mMultiple Airlines

Mon 2/238:50 amCNX - IAD

1 stop36h 15mMultiple Airlines

Deal found 11/1

$1,292

Wed 11/266:46 pmDCA - CNX

2 stops51h 49mEVA Air

Sat 12/611:50 amCNX - DCA

2 stops44h 10mEVA Air

Deal found 10/31

$1,393

Sun 11/301:44 pmDCA - CNX

2 stops45h 11mDelta

Sat 12/612:15 amCNX - DCA

2 stops32h 25mDelta

Deal found 11/2

$1,452

Best flights from District of Columbia to Chiang Mai
Discover carefully curated flight deals from District of Columbia to Chiang Mai that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 2, 2025.

Sun 1/118:05 pmIAD - CNX

2 stops49h 20mMultiple Airlines

Sun 5/33:30 pmCNX - IAD

2 stops28h 10mMultiple Airlines

Deal found 10/31

$1,069

Tue 12/29:15 pmIAD - CNX

2 stops53h 30mTurkish Airlines

Mon 2/239:05 pmCNX - IAD

2 stops58h 15mTurkish Airlines

Deal found 11/1

$1,087

Wed 11/266:59 amDCA - CNX

2 stops27h 56mKorean Air

Fri 12/512:15 amCNX - DCA

2 stops29h 47mKorean Air

Deal found 10/31

$1,118

Tue 1/206:56 pmDCA - CNX

2 stops51h 39mEVA Air

Sun 1/2511:50 amCNX - DCA

2 stops42h 06mEVA Air

Deal found 11/1

$1,135

Sun 11/97:15 amIAD - CNX

2 stops27h 40mDelta

Sat 11/1512:15 amCNX - IAD

2 stops36h 39mDelta

Deal found 10/30

$1,177

Sun 11/98:05 pmIAD - CNX

3 stops34h 55mMalaysia Airlines

Sun 11/1612:25 pmCNX - IAD

2 stops39h 30mMalaysia Airlines

Deal found 10/30

$1,888

Tue 12/29:59 amDCA - CNX

2 stops36h 26mChina Airlines

Tue 12/911:25 amCNX - DCA

2 stops40h 43mChina Airlines

Deal found 11/1

$2,045

Sun 11/96:13 pmIAD - CNX

2 stops28h 22mEVA Air

Sun 11/1611:50 amCNX - IAD

2 stops30h 33mEVA Air

Deal found 11/1

$1,148

Mon 1/128:05 pmIAD - CNX

2 stops25h 20mMultiple Airlines

Mon 1/268:50 amCNX - IAD

1 stop36h 15mMultiple Airlines

Deal found 10/31

$1,269

Tue 1/206:04 pmIAD - CNX

2 stops28h 31mEVA Air

Sun 1/2511:50 amCNX - IAD

2 stops40h 36mEVA Air

Deal found 11/1

$1,160

Sun 11/301:44 pmDCA - CNX

2 stops45h 11mDelta

Sat 12/612:15 amCNX - DCA

2 stops32h 25mDelta

Deal found 11/2

$1,452

Mon 1/56:57 pmDCA - CNX

2 stops51h 38mMultiple Airlines

Sun 1/1111:50 amCNX - DCA

2 stops40h 19mMultiple Airlines

Deal found 11/2

$1,422

Mon 1/126:15 pmIAD - CNX

2 stops40h 40mDelta

Sun 1/2512:15 amCNX - IAD

2 stops34h 55mDelta

Deal found 10/31

$1,479

Wed 11/266:46 pmDCA - CNX

2 stops51h 49mEVA Air

Sat 12/611:50 amCNX - DCA

2 stops44h 10mEVA Air

Deal found 10/31

$1,393

Wed 11/2611:50 amIAD - CNX

1 stop23h 05mKorean Air

Sat 12/69:40 pmCNX - IAD

1 stop24h 10mKorean Air

Deal found 10/31

$1,788

Sun 11/304:10 pmDCA - CNX

3 stops34h 10mMultiple Airlines

Sat 12/612:45 amCNX - DCA

2 stops33h 50mMultiple Airlines

Deal found 11/2

$1,724

Mon 12/19:40 amDCA - CNX

3 stops34h 15mMultiple Airlines

Mon 12/296:50 pmCNX - DCA

3 stops32h 41mMultiple Airlines

Deal found 10/31

$1,772

Fri 12/266:57 pmDCA - CNX

2 stops51h 38mEVA Air

Fri 1/911:50 amCNX - DCA

2 stops44h 10mEVA Air

Deal found 10/31

$2,065

Sun 11/308:00 amDCA - CNX

2 stops38h 35mEVA Air

Sun 12/711:50 amCNX - DCA

2 stops42h 09mEVA Air

Deal found 11/2

$2,105

Wed 12/179:59 amDCA - CNX

2 stops36h 36mEVA Air

Wed 12/2411:50 amCNX - DCA

2 stops44h 49mEVA Air

Deal found 11/2

$2,169

Last-minute flights from District of Columbia to Chiang Mai
Discover last-minute flight deals from District of Columbia to Chiang Mai. Data last updated November 2, 2025 and is based on user searches.

Sun 11/97:43 amIAD - CNX

2 stops38h 42mChina Airlines

Sun 11/1611:25 amCNX - IAD

2 stops30h 58mChina Airlines

Deal found 10/30

$1,074

Sun 11/96:13 pmIAD - CNX

2 stops28h 22mEVA Air

Sun 11/1611:50 amCNX - IAD

2 stops30h 33mEVA Air

Deal found 11/1

$1,148

Sun 11/97:15 amIAD - CNX

2 stops27h 40mDelta

Sat 11/1512:15 amCNX - IAD

2 stops36h 39mDelta

Deal found 11/1

$1,177

Sun 11/98:05 pmIAD - CNX

3 stops34h 55mMalaysia Airlines

Sun 11/1612:25 pmCNX - IAD

2 stops39h 30mMalaysia Airlines

Deal found 10/30

$1,888

Wed 11/266:59 amDCA - CNX

2 stops27h 56mKorean Air

Fri 12/512:15 amCNX - DCA

2 stops29h 47mKorean Air

Deal found 10/31

$1,118

Wed 11/2611:50 amIAD - CNX

1 stop23h 05mDelta

Fri 12/512:15 amCNX - IAD

2 stops35h 12mDelta

Deal found 10/31

$1,158

Wed 11/2610:40 amIAD - CNX

2 stops34h 45mQatar Airways

Sat 12/67:45 pmCNX - IAD

2 stops56h 10mQatar Airways

Deal found 10/31

$1,213

Wed 11/266:46 pmDCA - CNX

2 stops51h 49mEVA Air

Sat 12/611:50 amCNX - DCA

2 stops44h 10mEVA Air

Deal found 10/31

$1,393

Wed 11/269:10 pmIAD - CNX

2 stops26h 10mEtihad Airways

Sat 12/68:50 amCNX - IAD

1 stop42h 40mEtihad Airways

Deal found 10/31

$1,648

Wed 11/2611:50 amIAD - CNX

1 stop23h 05mKorean Air

Fri 12/512:15 amCNX - IAD

1 stop21h 35mKorean Air

Deal found 10/31

$1,788

Sun 11/301:44 pmDCA - CNX

2 stops45h 11mDelta

Sat 12/612:15 amCNX - DCA

2 stops32h 25mDelta

Deal found 11/2

$1,452

Sun 11/304:10 pmDCA - CNX

3 stops34h 10mMultiple Airlines

Sun 12/710:35 amCNX - DCA

3 stops34h 20mMultiple Airlines

Deal found 11/2

$1,700

One-way flights from District of Columbia to Chiang Mai
Search for one-way flight options from District of Columbia to Chiang Mai. Find affordable one-way fares based on user searches. Data last updated November 2, 2025.

Tue 11/186:13 pmIAD - CNX

2 stops33h 42mSTARLUX Airlines

Deal found 10/31

$528

Thu 11/136:13 pmIAD - CNX

2 stops33h 42mSTARLUX Airlines

Deal found 11/1

$556

Thu 11/136:13 pmIAD - CNX

3 stops40h 22mMultiple Airlines

Deal found 11/1

$563

Tue 11/187:40 pmIAD - CNX

3 stops38h 55mMultiple Airlines

Deal found 10/31

$573

Thu 11/135:00 pmDCA - CNX

2 stops34h 55mMultiple Airlines

Deal found 11/1

$580

Tue 11/189:59 amDCA - CNX

2 stops36h 26mChina Airlines

Deal found 10/31

$585

Tue 12/25:30 pmIAD - CNX

3 stops30h 20mMultiple Airlines

Deal found 11/1

$587

Tue 12/27:15 amIAD - CNX

2 stops27h 40mDelta

Deal found 11/1

$601

Sun 12/79:59 amDCA - CNX

3 stops47h 41mMultiple Airlines

Deal found 11/2

$618

Mon 11/176:58 pmDCA - CNX

2 stops51h 37mMultiple Airlines

Deal found 11/2

$620

Wed 11/191:30 pmIAD - CNX

2 stops59h 15mMultiple Airlines

Deal found 10/31

$637

Tue 11/1811:50 amIAD - CNX

1 stop23h 05mKorean Air

Deal found 10/31

$677

Cheap flight deals from District of Columbia to Chiang Mai

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$957 (FlightHub)
One-way from	$528 (oojo)
Popular in	April
Cheapest in	January
Average price	$1,787

Provider with most accurate pricing for Washington, D.C. (WAS)-Chiang Mai flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Chiang Mai flights.

Search Deals

From District of Columbia to Chiang Mai

Search Deals

One-way flight from District of Columbia to Chiang Mai

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($227 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($89 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 2025

Search Deals

Cheapflights Fare Finder

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

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Sun 1/11

8:05 pm-9:25 am

2 stops49h 20m

Chiang Mai

Sun 5/3

3:30 pm-8:40 am

2 stops28h 10m

$1,069

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Tue 12/2

9:15 pm-2:45 pm

2 stops53h 30m

Chiang Mai

Mon 2/23

9:05 pm-7:20 pm

2 stops58h 15m

$1,087

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Wed 11/26

6:59 am-10:55 pm

2 stops27h 56m

Chiang Mai

Fri 12/5

12:15 am-6:02 pm

2 stops29h 47m

$1,118

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Tue 1/20

6:56 pm-10:35 am

2 stops51h 39m

Chiang Mai

Sun 1/25

11:50 am-5:56 pm

2 stops42h 06m

$1,135

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Sun 11/9

6:13 pm-10:35 am

2 stops28h 22m

Chiang Mai

Sun 11/16

11:50 am-6:23 am

2 stops30h 33m

$1,148

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Tue 1/20

6:04 pm-10:35 am

2 stops28h 31m

Chiang Mai

Sun 1/25

11:50 am-4:26 pm

2 stops40h 36m

$1,160

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Sun 11/9

7:15 am-10:55 pm

2 stops27h 40m

Chiang Mai

Sat 11/15

12:15 am-12:54 am

2 stops36h 39m

$1,177

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Mon 1/12

8:05 pm-9:25 am

2 stops25h 20m

Chiang Mai

Mon 1/26

8:50 am-9:05 am

1 stop36h 15m

$1,269

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Wed 11/26

6:46 pm-10:35 am

2 stops51h 49m

Chiang Mai

Sat 12/6

11:50 am-8:00 pm

2 stops44h 10m

$1,393

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Mon 1/5

6:57 pm-10:35 am

2 stops51h 38m

Chiang Mai

Sun 1/11

11:50 am-4:09 pm

2 stops40h 19m

$1,422

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Showing 1-10 of 39 results

Best time to book a flight from District of Columbia to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from District of Columbia with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Chiang Mai

What is the cheapest time of day to fly from DC to CNX?

When flying from District of Columbia to Chiang Mai, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 25% versus a flight in the afternoon.

Related info for your journey

What airport do you fly into for flights to Chiang Mai from District of Columbia?
Chiang Mai (CNX) is the airport you will fly into if you book a flight from District of Columbia to Chiang Mai. It is only a 1.9 mi journey from Chiang Mai (CNX) to Chiang Mai’s city center.
How long is the flight from District of Columbia to Chiang Mai?
Departing from District of Columbia to Chiang Mai will take you 27h 56m. There are 8441 mi between District of Columbia and Chiang Mai. Both multi-stop and nonstop flights can be found to your destination and back.
Can I find deals for flights from District of Columbia to Chiang Mai that include hotel bookings?
Yes. In addition to deals on District of Columbia to Chiang Mai flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from District of Columbia to Chiang Mai?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Chiang Mai.
Can I find deals for business class flights from District of Columbia to Chiang Mai?
Yes. Cheapflights offers flight deals from District of Columbia to Chiang Mai by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from District of Columbia to Chiang Mai

Airline	Cheapest	Average	Flexibility	On-time
Korean Air	Cheapest$743	Average$1,729	FlexibilityNo cancel fee	On-time81%
Delta	Cheapest$798	Average$1,135	FlexibilityNo cancel fee	On-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$528+ Cheap flights from District of Columbia to Chiang Mai (CNX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from District of Columbia to Chiang Mai with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from District of Columbia to Chiang Mai

Cheapest flights from District of Columbia to Chiang MaiExplore the most affordable flight options available from District of Columbia to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.

Explore the most affordable flight options available from District of Columbia to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.

Cheap flight deals from District of Columbia to Chiang Mai

Keep the following information in mind while searching for District of Columbia to Chiang Mai flight deals. Data was last updated November 2, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from District of Columbia to Chiang Mai that are best for you.

Best time to book a flight from District of Columbia to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from District of Columbia with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Chiang Mai

What is the cheapest time of day to fly from DC to CNX?

Find hourly flight availability from District of Columbia to Chiang Mai. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 2, 2025.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Chiang Mai. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Chiang Mai from District of Columbia?

How long is the flight from District of Columbia to Chiang Mai?

Can I find deals for flights from District of Columbia to Chiang Mai that include hotel bookings?

How can I find direct flights from District of Columbia to Chiang Mai?

Can I find deals for business class flights from District of Columbia to Chiang Mai?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for District of Columbia to Chiang Mai

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from District of Columbia to Chiang Mai

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from District of Columbia to Chiang Mai
Explore the most affordable flight options available from District of Columbia to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.