What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Chiang Mai round-trip?

Air China, at $614, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Chiang Mai.Alternate airlines to your destination round-trip include EVA Air and Qatar Airways. These flights start at 63% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Chiang Mai one-way?

For one-way options, check prices for China Airlines. According to our data, you can fly for as low as $897. Users have also found prices from $1,092 and $1,173 on Qatar Airways and Asiana Airlines, respectively.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Chiang Mai?

Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Chiang Mai (average of $1,016). Flying from Washington, D.C. Dulles Intl Airport 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.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Chiang Mai?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Chiang Mai flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Chiang Mai?

Friday flights are found to be more expensive to fly from Washington, D.C. Dulles Intl Airport to Chiang Mai. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Chiang Mai.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Chiang Mai?

March is one of the best times of the year to fly to Chiang Mai from Washington, D.C. Dulles Intl Airport. Prices for March average $1,724 per person but you can even find prices for as low as $1,054. The most expensive prices can be found in the month of April. Opting for a March flight can save you 44% on your journey compared to booking in April

Most accurate provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Chiang Mai flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Dulles Intl Airport-Chiang Mai flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Chiang Mai flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Chiang Mai flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Chiang Mai flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Chiang Mai from Washington, D.C. Dulles Intl?

Chiang Mai (CNX) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Chiang Mai. You should not have trouble finding flights to Chiang Mai from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the Chiang Mai airport from Washington, D.C. Dulles Intl. 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 Dulles Intl to Chiang Mai that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Chiang Mai flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Chiang Mai?

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

Can I find deals for business class flights from Dulles Intl to Chiang Mai?

Yes. Cheapflights offers flight deals from Dulles Intl 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.

$598+ Flights from Washington, D.C. Dulles Intl Airport to Chiang Mai

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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

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Cheap flight deals from Dulles Intl to Chiang Mai

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$614 (Ovago)
One-way from	$598 (Kiwi.com)
Popular in	December
Cheapest in	September
Average price	$2,486

Provider with most accurate pricing for Washington, D.C. Dulles Intl-Chiang Mai flight deals.

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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Chiang Mai flights.

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From Washington, D.C. Dulles Intl to Chiang Mai

Search Deals

One-way flight from Washington, D.C. Dulles Intl to Chiang Mai

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($217 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($45 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Find flight deals from Dulles Intl to Chiang Mai

Cheapest flights from Dulles Intl to Chiang Mai
Explore the most affordable flight options available from Dulles Intl to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

Tue 4/2211:00 pmIAD - CNX

1 stop35h 50mAir China

Thu 5/2211:05 pmCNX - IAD

1 stop31h 25mAir China

Deal found 4/14

$614

Sat 9/138:29 pmIAD - CNX

2 stops50h 51mChina Airlines

Sat 9/2711:20 amCNX - IAD

2 stops31h 12mChina Airlines

Deal found 4/14

$1,113

Thu 5/19:00 pmIAD - CNX

2 stops25h 20mMultiple Airlines

Sun 5/1111:55 amCNX - IAD

2 stops31h 45mMultiple Airlines

Deal found 4/14

$1,119

Tue 5/137:00 amIAD - CNX

2 stops40h 25mEVA Air

Tue 5/2011:35 amCNX - IAD

2 stops31h 01mEVA Air

Deal found 4/13

$1,163

Wed 4/239:00 pmIAD - CNX

2 stops25h 20mQatar Airways

Sat 5/2411:55 amCNX - IAD

2 stops31h 45mQatar Airways

Deal found 4/14

$1,180

Sun 4/2710:05 pmIAD - CNX

2 stops28h 40mEtihad Airways

Thu 5/228:00 pmCNX - IAD

2 stops31h 10mEtihad Airways

Deal found 4/14

$1,258

Thu 5/16:00 amIAD - CNX

2 stops30h 40mAsiana Airlines

Sat 5/1012:45 amCNX - IAD

2 stops31h 29mAsiana Airlines

Deal found 4/14

$1,584

Fri 5/301:30 pmIAD - CNX

2 stops62h 20mTurkish Airlines

Fri 6/209:10 pmCNX - IAD

2 stops49h 35mTurkish Airlines

Deal found 4/14

$1,602

Thu 11/2711:50 amIAD - CNX

1 stop23h 15mKorean Air

Sun 12/73:20 pmCNX - IAD

1 stop30h 30mKorean Air

Deal found 4/15

$1,754

Sat 9/138:45 pmIAD - CNX

2 stops30h 00mSWISS

Sat 9/278:00 pmCNX - IAD

3 stops52h 55mSWISS

Deal found 4/14

$1,756

Thu 12/257:30 amIAD - CNX

2 stops27h 35mDelta

Fri 1/1612:15 amCNX - IAD

1 stop21h 35mDelta

Deal found 4/15

$1,836

Best flights from Dulles Intl to Chiang Mai
Discover carefully curated flight deals from Dulles Intl to Chiang Mai that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 15, 2025.

Tue 4/2211:00 pmIAD - CNX

1 stop35h 50mAir China

Thu 5/2211:05 pmCNX - IAD

1 stop31h 25mAir China

Deal found 4/14

$614

Thu 5/19:00 pmIAD - CNX

2 stops25h 20mMultiple Airlines

Sun 5/1111:55 amCNX - IAD

2 stops31h 45mMultiple Airlines

Deal found 4/14

$1,119

Tue 5/137:00 amIAD - CNX

2 stops40h 25mEVA Air

Tue 5/2011:35 amCNX - IAD

2 stops31h 01mEVA Air

Deal found 4/13

$1,163

Wed 4/239:00 pmIAD - CNX

2 stops25h 20mQatar Airways

Sat 5/2411:55 amCNX - IAD

2 stops31h 45mQatar Airways

Deal found 4/14

$1,180

Sun 4/2710:05 pmIAD - CNX

2 stops28h 40mEtihad Airways

Thu 5/228:00 pmCNX - IAD

2 stops31h 10mEtihad Airways

Deal found 4/14

$1,258

Wed 7/28:19 pmIAD - CNX

2 stops27h 01mChina Airlines

Sat 7/1211:20 amCNX - IAD

2 stops31h 07mChina Airlines

Deal found 4/14

$1,429

Thu 5/16:00 amIAD - CNX

2 stops30h 40mAsiana Airlines

Sat 5/1012:45 amCNX - IAD

2 stops31h 29mAsiana Airlines

Deal found 4/14

$1,584

Fri 5/301:30 pmIAD - CNX

2 stops62h 20mTurkish Airlines

Fri 6/209:10 pmCNX - IAD

2 stops49h 35mTurkish Airlines

Deal found 4/14

$1,602

Thu 4/2410:05 pmIAD - CNX

3 stops28h 40mSWISS

Thu 5/228:00 pmCNX - IAD

3 stops53h 05mSWISS

Deal found 4/14

$1,948

Wed 7/27:40 amIAD - CNX

2 stops27h 15mDelta

Sat 7/1211:15 pmCNX - IAD

1 stop23h 00mDelta

Deal found 4/14

$2,911

Sun 4/275:25 pmIAD - CNX

2 stops40h 05mAustrian Airlines

Thu 5/229:10 pmCNX - IAD

2 stops28h 25mAustrian Airlines

Deal found 4/14

$3,946

Mon 6/239:40 amIAD - CNX

2 stops25h 15mKorean Air

Fri 8/159:45 pmCNX - IAD

1 stop24h 30mKorean Air

Deal found 4/14

$4,161

Last-minute flights from Dulles Intl to Chiang Mai
Discover last-minute flight deals from Dulles Intl to Chiang Mai. Data last updated April 15, 2025 and is based on user searches.

Mon 4/2111:05 pmIAD - CNX

2 stops34h 25mLufthansa

Thu 5/2211:55 amCNX - IAD

2 stops42h 30mLufthansa

Deal found 4/14

$4,607

Tue 4/2211:00 pmIAD - CNX

1 stop35h 50mAir China

Thu 5/2211:05 pmCNX - IAD

1 stop31h 25mAir China

Deal found 4/14

$614

Wed 4/239:00 pmIAD - CNX

2 stops25h 20mQatar Airways

Sat 5/2411:55 amCNX - IAD

2 stops31h 45mQatar Airways

Deal found 4/14

$1,180

Thu 4/249:00 pmIAD - CNX

2 stops25h 20mMultiple Airlines

Sat 5/248:00 pmCNX - IAD

2 stops54h 40mMultiple Airlines

Deal found 4/14

$1,137

Thu 4/246:10 amIAD - CNX

2 stops30h 30mAsiana Airlines

Fri 5/2312:45 amCNX - IAD

2 stops31h 05mAsiana Airlines

Deal found 4/14

$1,635

Thu 4/2410:05 pmIAD - CNX

3 stops28h 40mSWISS

Thu 5/228:00 pmCNX - IAD

3 stops53h 05mSWISS

Deal found 4/14

$1,948

Sat 4/2611:00 pmIAD - CNX

1 stop35h 50mAir China

Thu 5/2211:05 pmCNX - IAD

1 stop31h 25mAir China

Deal found 4/14

$728

Sun 4/2710:05 pmIAD - CNX

2 stops28h 40mEtihad Airways

Thu 5/228:00 pmCNX - IAD

2 stops31h 10mEtihad Airways

Deal found 4/14

$1,258

Sun 4/275:25 pmIAD - CNX

2 stops40h 05mAustrian Airlines

Thu 5/229:10 pmCNX - IAD

2 stops28h 25mAustrian Airlines

Deal found 4/14

$3,946

Thu 5/19:00 pmIAD - CNX

2 stops25h 20mMultiple Airlines

Sun 5/1111:55 amCNX - IAD

2 stops31h 45mMultiple Airlines

Deal found 4/14

$1,119

Thu 5/16:00 amIAD - CNX

2 stops30h 40mAsiana Airlines

Sat 5/1012:45 amCNX - IAD

2 stops31h 29mAsiana Airlines

Deal found 4/14

$1,584

Tue 5/137:00 amIAD - CNX

2 stops40h 25mEVA Air

Tue 5/2011:35 amCNX - IAD

2 stops31h 01mEVA Air

Deal found 4/13

$1,163

One-way flights from Dulles Intl to Chiang Mai
Search for one-way flight options from Dulles Intl to Chiang Mai. Find affordable one-way fares based on user searches. Data last updated April 15, 2025.

Thu 5/1511:00 amIAD - CNX

3 stops32h 40mMultiple Airlines

Deal found 4/15

$598

Wed 7/28:19 pmIAD - CNX

2 stops27h 01mChina Airlines

Deal found 4/14

$897

Wed 5/289:00 pmIAD - CNX

2 stops27h 40mQatar Airways

Deal found 4/14

$1,092

Sun 6/18:15 amIAD - CNX

2 stops28h 25mAsiana Airlines

Deal found 4/14

$1,173

Tue 5/2011:00 pmIAD - CNX

1 stop35h 50mAir China

Deal found 4/15

$1,716

Wed 7/21:30 pmIAD - CNX

1 stop44h 15mKorean Air

Deal found 4/14

$2,090

Fri 5/305:40 pmIAD - CNX

3 stops38h 30mLufthansa

Deal found 4/14

$2,659

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport 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

Tue 4/22

11:00 pm-9:50 pm

1 stop35h 50m

Chiang Mai

Thu 5/22

11:05 pm-7:30 pm

1 stop31h 25m

$614

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Thu 5/1

9:00 pm-9:20 am

2 stops25h 20m

Chiang Mai

Sun 5/11

11:55 am-8:40 am

2 stops31h 45m

$1,119

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Tue 5/13

7:00 am-10:25 am

2 stops40h 25m

Chiang Mai

Tue 5/20

11:35 am-7:36 am

2 stops31h 01m

$1,163

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Wed 4/23

9:00 pm-9:20 am

2 stops25h 20m

Chiang Mai

Sat 5/24

11:55 am-8:40 am

2 stops31h 45m

$1,180

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Sun 4/27

10:05 pm-1:45 pm

2 stops28h 40m

Chiang Mai

Thu 5/22

8:00 pm-4:10 pm

2 stops31h 10m

$1,258

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Wed 7/2

8:19 pm-10:20 am

2 stops27h 01m

Chiang Mai

Sat 7/12

11:20 am-7:27 am

2 stops31h 07m

$1,429

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-11:45 am

2 stops49h 35m

$1,602

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Thu 4/24

10:05 pm-1:45 pm

3 stops28h 40m

Chiang Mai

Thu 5/22

8:00 pm-2:05 pm

3 stops53h 05m

$1,948

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Wed 7/2

7:40 am-9:55 pm

2 stops27h 15m

Chiang Mai

Sat 7/12

11:15 pm-11:15 am

1 stop23h 00m

$2,911

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 20 results

Compare providers for flights from Dulles Intl to Chiang Mai

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Chiang Mai in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Chiang Mai flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Dulles Intl Airport-Chiang Mai flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Chiang Mai flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Chiang Mai flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Chiang Mai flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Chiang Mai

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

When flying from Washington, D.C. Dulles Intl Airport 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 36% versus a flight in the afternoon.

Rainfall in Chiang Mai 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

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

EVA Air

8.4

Very good

1,176 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

EVA Air

8.4

Very good

1,176 reviews

EVA Air

8.4

Very good

1,176 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Korean Air

8.4

Very good

1,063 reviews

EVA Air

8.4

Very good

1,176 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

China Airlines

8.2

Very good

729 reviews

EVA Air

8.4

Very good

1,176 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Asiana Airlines

8.2

Very good

438 reviews

EVA Air

8.4

Very good

1,176 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Delta

8.0

Very good

7,917 reviews

EVA Air

8.4

Very good

1,176 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Related info for your journey

What airport do you fly into for flights to Chiang Mai from Washington, D.C. Dulles Intl?
Chiang Mai (CNX) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Chiang Mai. You should not have trouble finding flights to Chiang Mai from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the Chiang Mai airport from Washington, D.C. Dulles Intl. It is only a 1.9 mi journey from Chiang Mai (CNX) to Chiang Mai’s city center.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Chiang Mai round-trip?
Air China, at $614, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Chiang Mai.Alternate airlines to your destination round-trip include EVA Air and Qatar Airways. These flights start at 63% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Chiang Mai one-way?
For one-way options, check prices for China Airlines. According to our data, you can fly for as low as $897. Users have also found prices from $1,092 and $1,173 on Qatar Airways and Asiana Airlines, respectively.
Can I find deals for flights from Dulles Intl to Chiang Mai that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Chiang Mai flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Chiang Mai?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Chiang Mai.
Can I find deals for business class flights from Dulles Intl to Chiang Mai?
Yes. Cheapflights offers flight deals from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Chiang Mai?
Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Chiang Mai (average of $1,016). Flying from Washington, D.C. Dulles Intl Airport 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

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Dulles Intl to Chiang Mai

Airline	Cheapest	Average	Flexibility	On-time
Qatar Airways	Cheapest$1,256	Average$1,464	FlexibilityNo cancel fee	On-time68%
Korean Air	Cheapest$1,420	Average$1,753	FlexibilityNo cancel fee	On-time81%
Delta	Cheapest$1,729	Average$2,161	FlexibilityNo cancel fee	On-timeN/A

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$598+ Cheap flights from Dulles Intl (IAD) 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Chiang Mai with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Dulles Intl to Chiang Mai

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dulles Intl to Chiang Mai

Cheapest flights from Dulles Intl to Chiang MaiExplore the most affordable flight options available from Dulles Intl to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

Explore the most affordable flight options available from Dulles Intl to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Chiang Mai that are best for you.

Compare providers for flights from Dulles Intl to Chiang Mai

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Chiang Mai in April.

Best time to book a flight from Dulles Intl to Chiang Mai

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Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Chiang Mai

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

Find hourly flight availability from Dulles Intl 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 April 15, 2025.

Rainfall in Chiang Mai by month

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

Temperature in Chiang Mai by month

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

Reviews of airlines servicing Chiang Mai

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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 Washington, D.C. Dulles Intl?

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Chiang Mai round-trip?

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Chiang Mai one-way?

Can I find deals for flights from Dulles Intl to Chiang Mai that include hotel bookings?

How can I find direct flights from Dulles Intl to Chiang Mai?

Can I find deals for business class flights from Dulles Intl to Chiang Mai?

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Chiang Mai?

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Alternative routes for Dulles Intl to Chiang Mai

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Top 3 airlines flying from Dulles Intl to Chiang Mai

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Cheapest flights from Dulles Intl to Chiang Mai
Explore the most affordable flight options available from Dulles Intl to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.