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Chiang Mai

$888+ 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CNX
Jan 25 — Feb 11
Sat 1/25
Sat 2/1
1 adult, Economy
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Cheap flight deals from Dulles Intl to Chiang Mai

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Chiang Mai (CNX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 20, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,199
(EVA Air)

One-way from

$888
(FlightHub)

Popular in

December

Cheapest in

April

Average price

$1,724
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
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One-way flight from Washington, D.C. Dulles Intl to Chiang Mai
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High demand for flights, 12% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in January 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 January 20, 2025.

This EVA Air deal was found by Cheapflights users on 1/19. 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.
Wed 3/266:22 pmIAD - CNX
2 stops29h 13mMultiple Airlines
Wed 4/2311:35 amCNX - IAD
2 stops31h 08mMultiple Airlines
Deal found 1/19$1,199
This oojo deal was found by Cheapflights users on 1/19. 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.
Mon 3/38:05 pmIAD - CNX
2 stops27h 15mQatar Airways
Sun 3/912:25 pmCNX - IAD
2 stops39h 30mQatar Airways
Deal found 1/19$1,337
This KAYAK deal was found by Cheapflights users on 1/20. 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.
Mon 2/1011:50 amIAD - CNX
1 stop38h 15mKorean Air
Tue 3/113:20 pmCNX - IAD
1 stop30h 30mKorean Air
Deal found 1/20$1,535
This FlightHub deal was found by Cheapflights users on 1/20. 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.
Mon 2/106:32 amIAD - CNX
2 stops28h 33mAsiana Airlines
Mon 3/1012:25 amCNX - IAD
2 stops35h 40mAsiana Airlines
Deal found 1/20$1,578
This Air Canada deal was found by Cheapflights users on 1/19. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/105:30 pmIAD - CNX
2 stops34h 25mAir Canada
Mon 7/146:05 pmCNX - IAD
2 stops57h 22mAir Canada
Deal found 1/19$1,701
This KAYAK deal was found by Cheapflights users on 1/20. 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 12/258:05 pmIAD - CNX
2 stops29h 45mMalaysia Airlines
Sat 1/32:50 pmCNX - IAD
2 stops37h 05mMalaysia Airlines
Deal found 1/20$1,735
This oojo deal was found by Cheapflights users on 1/20. 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 6/510:00 pmIAD - CNX
2 stops48h 20mEtihad Airways
Sat 6/218:00 pmCNX - IAD
2 stops31h 35mEtihad Airways
Deal found 1/20$1,743
This CheapOair deal was found by Cheapflights users on 1/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/266:50 pmIAD - CNX
3 stops37h 05mAustrian Airlines
Wed 4/239:10 pmCNX - IAD
2 stops28h 25mAustrian Airlines
Deal found 1/20$1,809
This Turkish Airlines deal was found by Cheapflights users on 1/19. 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.
Thu 6/129:40 pmIAD - CNX
2 stops30h 10mTurkish Airlines
Sat 7/199:10 pmCNX - IAD
2 stops33h 35mTurkish Airlines
Deal found 1/19$1,945
This oojo deal was found by Cheapflights users on 1/18. 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.
Mon 1/208:45 amIAD - CNX
2 stops49h 05mAir China
Mon 2/311:05 pmCNX - IAD
1 stop27h 05mAir China
Deal found 1/18$2,096
This Delta deal was found by Cheapflights users on 1/20. 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.
Thu 7/315:30 pmIAD - CNX
2 stops41h 25mDelta
Sat 8/911:15 pmCNX - IAD
1 stop23h 00mDelta
Deal found 1/20$2,136
This Emirates deal was found by Cheapflights users on 1/19. 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.
Sun 6/810:55 amIAD - CNX
2 stops35h 25mEmirates
Tue 7/1510:10 amCNX - IAD
2 stops33h 30mEmirates
Deal found 1/19$2,182

Find flights from Dulles Intl to Chiang Mai within your budget

Customize your flight search to find flights from Dulles Intl 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 January 20, 2025.

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Route

Depart

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Price

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Wed 3/26

6:22 pm-10:35 am

2 stops29h 13m

Chiang Mai

Wed 4/23

11:35 am-7:43 am

2 stops31h 08m

$1,199

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Mon 3/3

8:05 pm-11:20 am

2 stops27h 15m

Chiang Mai

Sun 3/9

12:25 pm-3:55 pm

2 stops39h 30m

$1,337

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Mon 2/10

11:50 am-2:05 pm

1 stop38h 15m

Chiang Mai

Tue 3/11

3:20 pm-10:50 am

1 stop30h 30m

$1,535

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Mon 2/10

6:32 am-11:05 pm

2 stops28h 33m

Chiang Mai

Mon 3/10

12:25 am-1:05 am

2 stops35h 40m

$1,578

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Tue 6/10

5:30 pm-2:55 pm

2 stops34h 25m

Chiang Mai

Wed 7/16

11:15 am-4:27 pm

2 stops64h 12m

$1,701

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Mon 5/12

3:25 pm-8:30 pm

3 stops42h 05m

Chiang Mai

Fri 5/23

8:00 pm-7:25 pm

2 stops34h 25m

$1,730

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Thu 6/5

10:00 pm-9:20 am

2 stops48h 20m

Chiang Mai

Sat 6/21

8:00 pm-4:35 pm

2 stops31h 35m

$1,743

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Wed 3/26

6:50 pm-6:55 pm

3 stops37h 05m

Chiang Mai

Wed 4/23

9:10 pm-2:35 pm

2 stops28h 25m

$1,809

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Thu 6/12

9:40 pm-2:50 pm

2 stops30h 10m

Chiang Mai

Sat 7/19

9:10 pm-7:45 pm

2 stops33h 35m

$1,945

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Sun 6/8

10:55 am-9:20 am

2 stops35h 25m

Chiang Mai

Thu 7/17

10:10 am-8:40 am

2 stops33h 30m

$2,182

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 17 results
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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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust 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.

Travel insights for flights from Dulles Intl to Chiang Mai

Get recent, data-driven insights about flights from Dulles Intl to Chiang Mai including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Chiang Mai (average of $1,041). 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 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 January 20, 2025.

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

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 January 20, 2025.
Read reviews from past customers who have flown Delta, Korean Air and Qatar Airways from Washington, D.C. to Chiang Mai. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,039 reviews

Entertainment

8.2

Food

8.1

Overall

8.5

Boarding

8.5

Comfort

8.3

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very good
1,039 reviews
Korean Air
8.5
Very good
1,039 reviews

Entertainment

8.2

Food

8.1

Overall

8.5

Boarding

8.5

Comfort

8.3

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Asiana Airlines
8.3
Very good
466 reviews
Korean Air
8.5
Very good
1,039 reviews

Entertainment

8.2

Food

8.1

Overall

8.5

Boarding

8.5

Comfort

8.3

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Delta
8.0
Very good
8,521 reviews
Korean Air
8.5
Very good
1,039 reviews

Entertainment

8.2

Food

8.1

Overall

8.5

Boarding

8.5

Comfort

8.3

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Austrian Airlines
7.6
Good
786 reviews
Korean Air
8.5
Very good
1,039 reviews

Entertainment

8.2

Food

8.1

Overall

8.5

Boarding

8.5

Comfort

8.3

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Qatar Airways
7.5
Good
3,754 reviews
Korean Air
8.5
Very good
1,039 reviews

Entertainment

8.2

Food

8.1

Overall

8.5

Boarding

8.5

Comfort

8.3

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

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?

    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 3 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?

    Qatar Airways, at $1,337, 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 Korean Air and Asiana Airlines. These flights start at 14% 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 Asiana Airlines. According to our data, you can fly for as low as $888. Users have also found prices from $1,087 and $1,660 on Air Canada and Korean Air, 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, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Chiang Mai (average of $1,041). 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

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Top 3 airlines flying from Dulles Intl to Chiang Mai

Discover the top 3 airlines that operate flights from Dulles Intl 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 January 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$966Average$1,418FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$975Average$1,431FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,207Average$1,452FlexibilityNo cancel feeOn-time68%
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