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Chiang Mai

$497+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — CNX
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,170
(EVA Air)

One-way from

$497
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$1,415
Provider with most accurate pricing for Washington, D.C. (WAS)-Chiang Mai flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Chiang Mai flights.
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From District of Columbia to Chiang Mai
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One-way flight from District of Columbia to Chiang Mai
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Highest demand for flights based on searches. 14% potential increase in price ($282 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 31, 2025.

This EVA Air deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/307:17 pmIAD - CNX
2 stops28h 08mMultiple Airlines
Tue 10/1411:35 amCNX - IAD
2 stops29h 20mMultiple Airlines
Deal found 3/30$1,145
This oojo deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/110:05 pmIAD - CNX
2 stops26h 10mEtihad Airways
Sun 5/1111:55 amCNX - IAD
2 stops39h 15mEtihad Airways
Deal found 3/30$1,214
This KAYAK deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:00 pmIAD - CNX
2 stops29h 40mMalaysia Airlines
Wed 10/1512:35 pmCNX - IAD
2 stops38h 35mMalaysia Airlines
Deal found 3/30$1,299
This Orbitz deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/186:58 pmDCA - CNX
2 stops28h 27mMultiple Airlines
Sun 8/3111:35 amCNX - DCA
2 stops44h 24mMultiple Airlines
Deal found 3/30$1,335
This oojo deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/289:00 pmIAD - CNX
2 stops51h 40mQatar Airways
Sat 12/207:45 pmCNX - IAD
2 stops32h 10mQatar Airways
Deal found 3/30$1,365
This Turkish Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/271:30 pmIAD - CNX
2 stops38h 20mTurkish Airlines
Tue 10/149:10 pmCNX - IAD
2 stops33h 35mTurkish Airlines
Deal found 3/30$1,435
This Emirates deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2710:55 amIAD - CNX
2 stops37h 20mEmirates
Wed 10/158:00 pmCNX - IAD
2 stops47h 40mEmirates
Deal found 3/30$1,532
This Air China deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/25:30 pmIAD - CNX
2 stops41h 20mAir China
Mon 10/1311:05 pmCNX - IAD
1 stop31h 25mAir China
Deal found 3/30$1,536
This FlightHub deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/308:30 amIAD - CNX
2 stops28h 10mAsiana Airlines
Tue 8/1212:45 amCNX - IAD
2 stops39h 33mAsiana Airlines
Deal found 3/30$1,584
This Austrian Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:40 pmIAD - CNX
3 stops37h 30mAustrian Airlines
Tue 10/149:10 pmCNX - IAD
2 stops28h 25mAustrian Airlines
Deal found 3/30$1,600
This oojo deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/281:30 pmIAD - CNX
1 stop44h 15mKorean Air
Sat 12/203:20 pmCNX - IAD
1 stop30h 30mKorean Air
Deal found 3/30$1,747
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:15 pmIAD - CNX
2 stops42h 50mDelta
Sun 1/1812:15 amCNX - IAD
1 stop21h 35mDelta
Deal found 3/30$1,786

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated March 31, 2025.
Use the filters below to find and compare flights from District of Columbia to Chiang Mai that are best for you.

Fly from

District of Columbia

Fly to

Chiang Mai

Route

Depart

Return

Price

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Thu 5/1

10:05 pm-11:15 am

2 stops26h 10m

Chiang Mai

Sun 5/11

11:55 am-4:10 pm

2 stops39h 15m

$1,214

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Fri 5/9

9:40 pm-7:10 pm

2 stops34h 30m

Chiang Mai

Sat 5/17

9:10 pm-11:45 am

2 stops49h 35m

$1,315

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Mon 8/18

6:58 pm-10:25 am

2 stops28h 27m

Chiang Mai

Sun 8/31

11:35 am-8:59 pm

2 stops44h 24m

$1,335

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Thu 5/1

6:00 am-11:40 pm

2 stops30h 40m

Chiang Mai

Sat 5/10

12:45 am-9:14 pm

2 stops31h 29m

$1,584

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Fri 5/30

1:30 pm-2:50 pm

2 stops62h 20m

Chiang Mai

Fri 6/20

9:10 pm-7:45 pm

2 stops33h 35m

$1,605

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Tue 5/13

11:00 pm-9:50 pm

1 stop35h 50m

Chiang Mai

Tue 5/20

11:05 pm-1:09 am

2 stops37h 04m

$1,682

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Thu 8/7

8:20 am-8:45 pm

2 stops49h 25m

Chiang Mai

Tue 8/26

9:45 pm-10:22 pm

2 stops35h 37m

$1,802

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Thu 8/7

7:30 pm-9:55 pm

2 stops39h 25m

Chiang Mai

Mon 8/25

11:15 pm-4:25 pm

2 stops52h 10m

$1,811

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Thu 5/1

7:46 pm-9:55 pm

2 stops39h 09m

Chiang Mai

Sun 5/11

11:15 pm-11:15 am

1 stop23h 00m

$2,386

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Sun 8/10

7:45 pm-7:10 pm

3 stops36h 25m

Chiang Mai

Sat 8/23

10:10 am-4:24 pm

3 stops41h 14m

$2,428

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 12 results
1
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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?

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 March 31, 2025.

When flying from District of Columbia to Chiang Mai, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average rainfall totals by month.

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.

Temperature in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Chiang Mai

Get insights into the airlines that provide service to Chiang Mai. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chiang Mai. Reviews last updated March 31, 2025.
Korean Air
8.4
Very good
1,051 reviews

Crew

8.7

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,051 reviews
Korean Air
8.4
Very good
1,051 reviews

Crew

8.7

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Asiana Airlines
8.2
Very good
440 reviews
Korean Air
8.4
Very good
1,051 reviews

Crew

8.7

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Emirates
8.0
Very good
3,192 reviews
Korean Air
8.4
Very good
1,051 reviews

Crew

8.7

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Delta
8.0
Very good
7,899 reviews
Korean Air
8.4
Very good
1,051 reviews

Crew

8.7

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
SWISS
7.5
Good
1,570 reviews
Korean Air
8.4
Very good
1,051 reviews

Crew

8.7

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

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?

    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.

  • 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.

  • What is the cheapest month to book a flight from District of Columbia to Chiang Mai?

    Currently, February is the cheapest month in which you can book a flight from District of Columbia to Chiang Mai (average of $1,015). Flying from District of Columbia to Chiang Mai in December is currently the most expensive (average of $1,678). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for District of Columbia to Chiang Mai

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from District of Columbia to Chiang Mai

Discover the top 3 airlines that operate flights from District of Columbia to Chiang Mai. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,256Average$1,464FlexibilityNo cancel feeOn-time68%
Korean AirCheapest$1,386Average$1,735FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,425Average$2,161FlexibilityNo cancel feeOn-timeN/A
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