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

One-way options have recently been found by users for as low as $662 on Delta. Other airlines that offer cheap prices include Korean Air from $752 and Qatar Airways from $827 one-way.

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

Currently, August is the cheapest month in which you can book a flight from Chiang Mai to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Chiang Mai to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). 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 Chiang Mai to Washington, D.C. Dulles Intl Airport?

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

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

It’s generally more expensive to depart on a Sunday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

When flying from Chiang Mai to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

If you book a flight to Washington, D.C. Dulles Intl from Chiang Mai, you will be flying from Chiang Mai, which is the city’s only airport. Chiang Mai (CNX) is located 1.9 mi from the center of Chiang Mai. There are 0 flights from Chiang Mai to Washington, D.C. Dulles Intl per day from 1 airline.

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

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

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

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

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

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

$617+ Flights from Chiang Mai to Washington, D.C. Dulles Intl Airport

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

Find cheap flights from Chiang Mai to Dulles Intl 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.

Cheap flight deals from Chiang Mai to Dulles Intl

Round-trip from	$1,180 (oojo)
One-way from	$617 (Kiwi.com)

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

Search Deals

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

Search Deals

Find flight deals from Chiang Mai to Dulles Intl

Cheapest flights from Chiang Mai to Dulles Intl
Explore the most affordable flight options available from Chiang Mai to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juin 30, 2025.

mer. 9/1711:15 pmCNX - IAD

1 stop22h 40mMultiple Airlines

lun. 10/131:15 pmIAD - CNX

1 stop23h 25mMultiple Airlines

Deal found 6/27

$1,180

lun. 8/411:05 pmCNX - IAD

1 stop31h 25mAir China

mar. 9/911:00 pmIAD - CNX

1 stop35h 50mAir China

Deal found 6/30

$1,220

lun. 8/411:15 pmCNX - IAD

2 stops41h 42mDelta

mar. 9/97:35 amIAD - CNX

2 stops27h 20mDelta

Deal found 6/30

$1,409

mer. 9/179:10 pmCNX - IAD

3 stops29h 20mAustrian Airlines

lun. 10/136:40 pmIAD - CNX

3 stops38h 50mAustrian Airlines

Deal found 6/27

$1,510

dim. 8/312:45 amCNX - IAD

2 stops41h 08mAsiana Airlines

mar. 9/95:40 pmIAD - CNX

2 stops43h 00mAsiana Airlines

Deal found 6/28

$1,807

Best flights from Chiang Mai to Dulles Intl
Discover carefully curated flight deals from Chiang Mai to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated juin 30, 2025.

mer. 9/1711:15 pmCNX - IAD

1 stop22h 40mMultiple Airlines

lun. 10/131:15 pmIAD - CNX

1 stop23h 25mMultiple Airlines

Deal found 6/27

$1,180

lun. 8/411:05 pmCNX - IAD

1 stop31h 25mAir China

mar. 9/911:00 pmIAD - CNX

1 stop35h 50mAir China

Deal found 6/30

$1,220

lun. 8/411:15 pmCNX - IAD

2 stops41h 42mDelta

mar. 9/97:35 amIAD - CNX

2 stops27h 20mDelta

Deal found 6/30

$1,409

mer. 9/179:10 pmCNX - IAD

3 stops29h 20mAustrian Airlines

lun. 10/136:40 pmIAD - CNX

3 stops38h 50mAustrian Airlines

Deal found 6/27

$1,510

dim. 8/312:45 amCNX - IAD

2 stops41h 08mAsiana Airlines

mar. 9/95:40 pmIAD - CNX

2 stops43h 00mAsiana Airlines

Deal found 6/28

$1,807

One-way flights from Chiang Mai to Dulles Intl
Search for one-way flight options from Chiang Mai to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated juin 30, 2025.

mer. 9/39:10 amCNX - IAD

3 stops42h 00mMultiple Airlines

Deal found 6/28

$617

lun. 9/111:15 pmCNX - IAD

2 stops41h 40mDelta

Deal found 6/28

$662

mer. 9/311:15 pmCNX - IAD

1 stop22h 40mKorean Air

Deal found 6/28

$752

ven. 9/58:00 pmCNX - IAD

2 stops47h 40mQatar Airways

Deal found 6/28

$827

lun. 9/112:45 amCNX - IAD

2 stops28h 53mAsiana Airlines

Deal found 6/28

$941

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

mer. 9/17

11:15 pm-10:55 am

1 stop22h 40m

Washington, D.C. Dulles Intl

lun. 10/13

1:15 pm-11:40 pm

1 stop23h 25m

$1,180

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

lun. 8/4

11:05 pm-7:30 pm

1 stop31h 25m

Washington, D.C. Dulles Intl

mar. 9/9

11:00 pm-9:50 pm

1 stop35h 50m

$1,220

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

lun. 8/4

11:15 pm-5:57 am

2 stops41h 42m

Washington, D.C. Dulles Intl

mar. 9/9

7:35 am-9:55 pm

2 stops27h 20m

$1,409

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

mer. 9/17

9:10 pm-3:30 pm

3 stops29h 20m

Washington, D.C. Dulles Intl

lun. 10/13

6:40 pm-8:30 pm

3 stops38h 50m

$1,510

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

dim. 8/3

12:45 am-6:53 am

2 stops41h 08m

Washington, D.C. Dulles Intl

mar. 9/9

5:40 pm-11:40 pm

2 stops43h 00m

$1,807

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

mer. 9/3

9:10 am-4:10 pm

3 stops42h 00m

$617

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

lun. 9/1

11:15 pm-5:55 am

2 stops41h 40m

$662

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

mer. 9/3

11:15 pm-10:55 am

1 stop22h 40m

$752

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

ven. 9/5

8:00 pm-8:40 am

2 stops47h 40m

$827

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

lun. 9/1

12:45 am-6:38 pm

2 stops28h 53m

$941

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

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

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Chiang Mai 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.

Reviews of airlines servicing Dulles Intl

Peruse reviews from past customers who have flown with Korean Air, Asiana Airlines, and Delta from Chiang Mai to Washington, D.C. Dulles Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Korean Air

8.4

Very good

1,101 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Korean Air

8.4

Very good

1,101 reviews

Korean Air

8.4

Very good

1,101 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Asiana Airlines

8.2

Very good

449 reviews

Korean Air

8.4

Very good

1,101 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Delta

8.0

Very good

7,973 reviews

Korean Air

8.4

Very good

1,101 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Austrian Airlines

7.6

Good

807 reviews

Korean Air

8.4

Very good

1,101 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Qatar Airways

7.4

Good

3,596 reviews

Korean Air

8.4

Very good

1,101 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Related info for your journey

What airport do you fly from for flights from Chiang Mai to Washington, D.C. Dulles Intl?
If you book a flight to Washington, D.C. Dulles Intl from Chiang Mai, you will be flying from Chiang Mai, which is the city’s only airport. Chiang Mai (CNX) is located 1.9 mi from the center of Chiang Mai. There are 0 flights from Chiang Mai to Washington, D.C. Dulles Intl per day from 1 airline.
What are the cheapest airlines to fly from Chiang Mai to Washington, D.C. Dulles Intl Airport one-way?
One-way options have recently been found by users for as low as $662 on Delta. Other airlines that offer cheap prices include Korean Air from $752 and Qatar Airways from $827 one-way.
Can I find deals for flights from Chiang Mai to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Chiang Mai to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Chiang Mai to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chiang Mai to Dulles Intl.
Can I find deals for business class flights from Chiang Mai to Dulles Intl?
Yes. Cheapflights offers flight deals from Chiang Mai to Dulles Intl 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 Chiang Mai to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Chiang Mai to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Chiang Mai to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). 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

Arlington

Woodbridge

Alexandria

Tysons

Silver Spring

Linthicum Heights

Fredericksburg

Gaithersburg

Fairfax

Easton

Towson

Falls Church

Rockville

Springfield

National Harbor

Manassas

Dundalk

Waldorf

Bowie

Hanover

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Chiang Mai to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$854	Average$1,302	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.

$617+ Cheap flights from Chiang Mai (CNX) to Dulles Intl (IAD)

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Chiang Mai to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Chiang Mai to Dulles Intl

Round-trip from

One-way from

Find flight deals from Chiang Mai to Dulles Intl

Cheapest flights from Chiang Mai to Dulles IntlExplore the most affordable flight options available from Chiang Mai to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juin 30, 2025.

Explore the most affordable flight options available from Chiang Mai to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juin 30, 2025.

Cheapflights Fare Finder

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

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

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

Reviews of airlines servicing Dulles Intl

Related info for your journey

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

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

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

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

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

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

Traveling to a place near 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 Chiang Mai to Dulles Intl

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

Top airline flying from Chiang Mai to Dulles Intl

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Chiang Mai to Dulles Intl
Explore the most affordable flight options available from Chiang Mai to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juin 30, 2025.