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$637+ Cheap flights from Dulles Intl (IAD) to Watertown, NY (ART)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ART
Mar 11 — Mar 181
Wed 3/11
Wed 3/18
1 adult, Economy
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Cheap flight deals from Dulles Intl to Watertown

Cheapest flights from Dulles Intl to Watertown
Explore the most affordable flight options available from Dulles Intl to Watertown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 9, 2026.

This American Airlines deal was found by Cheapflights users on 2/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/243:11 pm
IAD
-
ART
2 stops7h 44m
American Airlines
Sat 2/286:00 am
ART
-
IAD
2 stops7h 32m
American Airlines
Deal found 2/8$637
This American Airlines deal was found by Cheapflights users on 2/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/272:03 pm
IAD
-
ART
2 stops8h 52m
American Airlines
Sun 3/16:00 am
ART
-
IAD
2 stops7h 32m
American Airlines
Deal found 2/7$650
This American Airlines deal was found by Cheapflights users on 2/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/142:03 pm
IAD
-
ART
2 stops8h 52m
American Airlines
Mon 2/166:00 am
ART
-
IAD
2 stops7h 32m
American Airlines
Deal found 2/8$871
This American Airlines deal was found by Cheapflights users on 2/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/91:08 pm
IAD
-
ART
2 stops8h 15m
American Airlines
Wed 2/114:31 pm
ART
-
IAD
2 stops6h 41m
American Airlines
Deal found 2/6$901
This American Airlines deal was found by Cheapflights users on 2/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/222:03 pm
IAD
-
ART
2 stops8h 52m
American Airlines
Thu 2/266:00 am
ART
-
IAD
2 stops7h 32m
American Airlines
Deal found 2/7$1,475

Find flight deals from Dulles Intl to Watertown

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Watertown (ART). 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 February 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$637
(American Airlines)
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Watertown flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Watertown flights.
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From Washington, D.C. Dulles Intl to Watertown
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Watertown 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 February 9, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Watertown that are best for you.

Fly from

Dulles Intl

Fly to

Watertown

Route

Depart

Return

Price

Washington, D.C.Watertown

IAD - ART

IADART

Washington, D.C. Dulles Intl

Tue 2/24

3:11 pm-10:55 pm

2 stops7h 44m

Watertown

Sat 2/28

6:00 am-1:32 pm

2 stops7h 32m

$637

Washington, D.C.Watertown

IAD - ART

IADART

Washington, D.C. Dulles Intl

Fri 2/27

2:03 pm-10:55 pm

2 stops8h 52m

Watertown

Sun 3/1

6:00 am-1:32 pm

2 stops7h 32m

$650

Washington, D.C.Watertown

IAD - ART

IADART

Washington, D.C. Dulles Intl

Sun 2/22

2:03 pm-10:55 pm

2 stops8h 52m

Watertown

Thu 2/26

6:00 am-1:32 pm

2 stops7h 32m

$1,475

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Watertown, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Watertown, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Watertown, New York 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-Watertown, New York flights, Cheapflights users trust FlightHub the most. FlightHub 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-Watertown, New York 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 Watertown

Have a flexible travel schedule? Discover the best time to fly to Watertown 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 Watertown

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Watertown, New York?

Currently, June is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Watertown, New York (average of $47). Flying from Washington, D.C. Dulles Intl Airport to Watertown, New York in April is currently the most expensive (average of $65). 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.

Related info for your journey

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

    If you book a flight to Watertown from Washington, D.C. Dulles Intl, you will be flying to Watertown, which is the city’s only airport. Watertown (ART) is located 5.6 mi from the center of Watertown. There are 0 flights from Washington, D.C. Dulles Intl to Watertown per day from 0 different airlines.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Watertown, New York?

    For as low as $637, American Airlines can have you in Watertown, New York from Washington, D.C. Dulles Intl Airport in 7h 44m. Washington, D.C. Dulles Intl Airport and Watertown, New York are separated by a distance of 356 mi.

  • Can I find deals for flights from Dulles Intl to Watertown that include hotel bookings?

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

  • How can I find direct flights from Dulles Intl to Watertown?

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

  • Can I find deals for business class flights from Dulles Intl to Watertown?

    Yes. Cheapflights offers flight deals from Dulles Intl to Watertown 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 Watertown, New York?

    Currently, June is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Watertown, New York (average of $47). Flying from Washington, D.C. Dulles Intl Airport to Watertown, New York in April is currently the most expensive (average of $65). 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

Traveling to a place near Watertown?

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Alternative routes for Dulles Intl to Watertown

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