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Dulles Intl

$72+ Cheap flights from Rhode Island 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
PVD — IAD
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
1 adult, Economy
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Cheap flight deals from Rhode Island to Dulles Intl

Cheapest flights from Rhode Island to Dulles Intl
Explore the most affordable flight options available from Rhode Island to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2026.

This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:00 pm
BOS
-
IAD
1 stop3h 59m
United Airlines
Sun 9/138:35 am
IAD
-
BOS
Nonstop1h 43m
United Airlines
Deal found 7/27$167
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:00 pm
BOS
-
IAD
1 stop3h 59m
United Airlines
Sat 8/2210:15 pm
IAD
-
BOS
Nonstop1h 44m
United Airlines
Deal found 7/27$168
This United Airlines deal was found by Cheapflights users on 7/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:45 am
BOS
-
IAD
Nonstop1h 35m
United Airlines
Mon 8/2410:15 pm
IAD
-
BOS
Nonstop1h 44m
United Airlines
Deal found 7/25$170
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:30 am
BOS
-
IAD
1 stop3h 56m
United Airlines
Sun 9/610:15 pm
IAD
-
BOS
Nonstop1h 44m
United Airlines
Deal found 7/27$171
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:45 am
BOS
-
IAD
Nonstop1h 35m
United Airlines
Sun 9/208:35 am
IAD
-
BOS
Nonstop1h 43m
United Airlines
Deal found 7/27$172
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:00 pm
BOS
-
IAD
1 stop4h 59m
United Airlines
Sun 9/610:15 pm
IAD
-
BOS
Nonstop1h 44m
United Airlines
Deal found 7/27$173
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:00 pm
BOS
-
IAD
1 stop4h 35m
United Airlines
Mon 11/25:15 pm
IAD
-
BOS
Nonstop1h 42m
United Airlines
Deal found 7/26$174
This United Airlines deal was found by Cheapflights users on 7/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:28 pm
BOS
-
IAD
Nonstop1h 41m
United Airlines
Sat 8/2210:15 pm
IAD
-
BOS
Nonstop1h 44m
United Airlines
Deal found 7/25$175
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:38 am
BOS
-
IAD
1 stop3h 47m
United Airlines
Mon 10/2610:19 pm
IAD
-
BOS
Nonstop1h 40m
United Airlines
Deal found 7/27$176
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:30 am
BOS
-
IAD
Nonstop1h 41m
United Airlines
Sun 8/308:35 am
IAD
-
BOS
Nonstop1h 43m
United Airlines
Deal found 7/27$177
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:30 am
BOS
-
IAD
1 stop3h 56m
United Airlines
Sat 9/55:28 pm
IAD
-
BOS
Nonstop1h 51m
United Airlines
Deal found 7/26$179
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:42 pm
PVD
-
IAD
Nonstop1h 53m
United Airlines
Sat 9/55:30 pm
IAD
-
PVD
Nonstop1h 36m
United Airlines
Deal found 7/27$202

Find flight deals from Rhode Island to Dulles Intl

Keep the following information in mind while searching for Rhode Island to Dulles Intl flight deals. Data was last updated July 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$167
(United Airlines)

One-way from

$72
(United Airlines)

Popular in

June

Cheapest in

December

Average price

$279

Good round-trip deal

$388 or less

Good one-way deal

$243 or less
Provider with most accurate pricing for Boston Logan Intl-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Washington, D.C. (WAS) flights.
Search Deals
From Rhode Island to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Rhode Island to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Rhode Island to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Rhode Island to Washington, D.C. Dulles Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Rhode Island to Dulles Intl 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 July 28, 2026.
Use the filters below to find and compare flights from Rhode Island to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Fri 8/21

6:00 pm-10:59 pm

1 stop4h 59m

Washington, D.C. Dulles Intl

Mon 8/24

10:15 pm-11:59 pm

Nonstop1h 44m

$180

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 9/2

7:23 pm-9:08 pm

Nonstop1h 45m

Washington, D.C. Dulles Intl

Sat 9/5

10:15 pm-11:59 pm

Nonstop1h 44m

$187

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Fri 8/21

6:00 am-11:26 am

1 stop5h 26m

Washington, D.C. Dulles Intl

Sun 8/23

10:15 pm-11:59 pm

Nonstop1h 44m

$187

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Fri 9/4

7:00 pm-10:59 pm

1 stop3h 59m

Washington, D.C. Dulles Intl

Mon 9/7

6:15 am-9:48 am

1 stop3h 33m

$192

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Tue 9/15

6:00 am-11:26 am

1 stop5h 26m

Washington, D.C. Dulles Intl

Tue 9/29

5:50 pm-10:45 pm

1 stop4h 55m

$205

ProvidenceWashington, D.C.

PVD - IAD

PVDIAD

Providence-TFGreen

Thu 9/3

5:50 am-7:33 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

Mon 9/7

8:11 am-9:40 am

Nonstop1h 29m

$213

ProvidenceWashington, D.C.

PVD - IAD

PVDIAD

Providence-TFGreen

Wed 9/16

7:45 pm-9:25 pm

Nonstop1h 40m

Washington, D.C. Dulles Intl

Sat 9/19

12:35 pm-2:01 pm

Nonstop1h 26m

$213

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sat 8/15

6:00 pm-10:59 pm

1 stop4h 59m

Washington, D.C. Dulles Intl

Tue 8/18

5:28 pm-7:19 pm

Nonstop1h 51m

$217

ProvidenceWashington, D.C.

PVD - IAD

PVDIAD

Providence-TFGreen

Thu 8/27

5:50 am-7:33 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

Mon 8/31

12:35 pm-2:01 pm

Nonstop1h 26m

$221

ProvidenceWashington, D.C.

PVD - IAD

PVDIAD

Providence-TFGreen

Wed 8/19

5:45 am-10:23 am

1 stop4h 38m

Washington, D.C. Dulles Intl

Sun 8/23

6:10 am-12:03 pm

1 stop5h 53m

$231

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 44 resultsSorted by cheapest first
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Best time to book a flight from Rhode Island to Dulles Intl

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

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

Currently, April is the cheapest month in which you can book a flight from Rhode Island to Washington, D.C. Dulles Intl Airport (average of $278). Flying from Rhode Island to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of $533). 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 RI to IAD?

Find hourly flight availability from Rhode Island to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 28, 2026.

When flying from Rhode Island to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 36% versus a flight at noon.

Weekly flight availability from Rhode Island to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Rhode Island to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 28, 2026.

The most flights from USRI to IAD are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

How much does it cost to fly round-trip from Rhode Island to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment.
Rhode Island to Washington, D.C. Dulles Intl Airport flights typically cost between $285 and $520 in September.
The cheapest round-trip price found within the last 5 days was $202 on United Airlines (Sep 1-Sep 5).

How far ahead should I book a flight from Rhode Island to Washington, D.C. Dulles Intl Airport?

To ensure you get the cheapest price possible for a flight from Rhode Island to Washington, D.C. Dulles Intl Airport, you should look to book at least 56 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Related info for your journey

Find useful and relevant information for your journey from Rhode Island to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Rhode Island to Washington, D.C. Dulles Intl Airport?

    A quick flight from Rhode Island to Washington, D.C. Dulles Intl Airport can take about 4h 38m. United Airlines provides one of the quickest options available for as low as $231. The distance between Rhode Island and Washington, D.C. Dulles Intl Airport is about 370 mi. This flight may include one or multiple stops.

  • What are the most reliable airlines from Rhode Island to Washington, D.C. Dulles Intl Airport?

    Consider ANA (91%), Mesa Airlines (84%) or Copa Airlines (83%) when booking your flight. These represent the most reliable airlines when flying from Rhode Island to Washington, D.C. Dulles Intl Airport.

  • What are the cheapest flights from Rhode Island to Washington, D.C. Dulles Intl Airport?

    The cheapest flight price from Rhode Island to Washington, D.C. Dulles Intl Airport is $145. On average you can expect to pay $1,282. The most popular route, (Boston Logan Intl - Washington, D.C. Dulles Intl), can usually be booked for $117.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Rhode Island 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 Rhode Island to Washington, D.C. Dulles Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from Rhode Island to Washington, D.C. Dulles Intl Airport (average of $278). Flying from Rhode Island to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of $533). 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Tysons
Arlington
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Manassas
Laurel
Sterling
Clinton
Hunt Valley
Cordova

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Rhode Island to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Dulles Intl flights
Dallas/Fort Worth to Baltimore flights
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Dallas/Fort Worth to Reagan-National flights
O'Hare Intl to Baltimore flights
Los Angeles to Reagan-National flights
Seattle to Reagan-National flights
Los Angeles to Baltimore flights
Hobby to Baltimore flights
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Atlanta to Dulles Intl flights
San Francisco to Reagan-National flights
Atlanta to Baltimore flights
O'Hare Intl to Reagan-National flights
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Los Angeles to Dulles Intl flights
San Francisco to Baltimore flights
Boston to Baltimore flights
Boston to Reagan-National flights
Hobby to Dulles Intl flights
Orlando to Dulles Intl flights
Minneapolis to Reagan-National flights
Orlando to Reagan-National flights
Hobby to Reagan-National flights
Orlando to Baltimore flights
Minneapolis to Dulles Intl flights
O'Hare Intl to Dulles Intl flights
George Bush Intcntl to Baltimore flights
Atlanta to Reagan-National flights
Seattle to Baltimore flights
Tampa to Dulles Intl flights
Miami to Reagan-National flights
Tampa to Baltimore flights
Denver to Dulles Intl flights
Fort Lauderdale to Baltimore flights
George Bush Intcntl to Reagan-National flights
Denver to Baltimore flights
Minneapolis to Baltimore flights
Detroit to Baltimore flights
John F Kennedy Intl to Dulles Intl flights
George Bush Intcntl to Dulles Intl flights
Detroit to Reagan-National flights
Ontario to Dulles Intl flights
Midway to Dulles Intl flights
Charlotte to Baltimore flights
Denver to Reagan-National flights
Austin to Dulles Intl flights
Tampa to Reagan-National flights
Miami to Baltimore flights
Sky Harbor Intl to Dulles Intl flights

Top airline flying from Rhode Island to Dulles Intl

Discover the top airline that operate flights from Rhode Island to Dulles Intl. 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 July 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$199Average$356FlexibilityNo cancel feeOn-time69%

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