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Cheap flights from Rhode Island to Washington, D.C. from $56

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rhode Island to Washington, D.C. departing on 5/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
12:42 pm - 12:36 am
BOS
-
IAD
11h 54m
1 stop
Frontier Logo
5:34 pm - 1:26 am
IAD
-
BOS
7h 52m
1 stop
$160Frontier
ter, abr 7 - qui, abr 9
United Airlines Logo
10:30 am - 4:29 pm
BOS
-
IAD
5h 59m
1 stop
United Airlines Logo
6:00 am - 9:21 am
IAD
-
BOS
3h 21m
1 stop
$165United Airlines
ter, mar 3 - qua, mar 11
United Airlines Logo
5:35 am - 7:19 am
BOS
-
IAD
1h 44mnonstop
United Airlines Logo
8:36 am - 12:53 pm
IAD
-
BOS
4h 17m
1 stop
$166United Airlines
sex, fev 27 - qua, mar 4
United Airlines Logo
5:35 am - 7:19 am
BOS
-
IAD
1h 44mnonstop
United Airlines Logo
12:36 pm - 2:12 pm
IAD
-
BOS
1h 36mnonstop
$167United Airlines
qui, fev 26 - ter, mar 3
Multiple Airlines Logo
6:00 am - 5:13 pm
BOS
-
IAD
11h 13m
1 stop
Multiple Airlines Logo
7:05 pm - 1:13 am
IAD
-
BOS
30h 08m
2 stops
$170Multiple Airlines
sex, fev 20 - seg, fev 23
United Airlines Logo
7:36 pm - 9:16 pm
PVD
-
IAD
1h 40mnonstop
United Airlines Logo
10:20 pm - 11:54 pm
IAD
-
PVD
1h 34mnonstop
$171United Airlines
ter, abr 7 - seg, abr 13
United Airlines Logo
5:45 am - 7:29 am
BOS
-
IAD
1h 44mnonstop
United Airlines Logo
6:00 am - 9:21 am
IAD
-
BOS
3h 21m
1 stop
$172United Airlines
qua, mar 11 - sex, mar 13
United Airlines Logo
2:20 pm - 4:04 pm
BOS
-
IAD
1h 44mnonstop
United Airlines Logo
8:36 am - 12:53 pm
IAD
-
BOS
4h 17m
1 stop
$173United Airlines
qua, fev 25 - qui, fev 26
Delta Logo
5:46 am - 9:59 am
PVD
-
IAD
4h 13m
1 stop
Delta Logo
6:00 am - 12:07 pm
IAD
-
PVD
6h 07m
1 stop
$243Delta
qua, mai 13 - sáb, mai 16
Delta Logo
5:20 am - 11:50 am
PVD
-
IAD
6h 30m
1 stop
Delta Logo
5:13 pm - 11:28 pm
IAD
-
PVD
6h 15m
1 stop
$251Delta
sáb, fev 21 - sáb, fev 28

Frontier flights from Rhode Island to Washington, D.C. Dulles Intl Airport

Our best Frontier deals on Rhode Island to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
Apr 7
BOS12:42 pmBoston Logan Intl
11h 54m
1 stop
IAD12:36 amWashington, D.C. Dulles Intl
Apr 9
IAD5:34 pmWashington, D.C. Dulles Intl
7h 52m
1 stop
BOS1:26 amBoston Logan Intl
$160
Frontier
Feb 20
BOS6:00 amBoston Logan Intl
11h 13m
1 stop
IAD5:13 pmWashington, D.C. Dulles Intl
Feb 23
IAD7:05 pmWashington, D.C. Dulles Intl
30h 08m
2 stops
BOS1:13 amBoston Logan Intl
$174
Frontier
Mar 5
BOS6:00 amBoston Logan Intl
10h 43m
1 stop
IAD4:43 pmWashington, D.C. Dulles Intl
Mar 16
IAD6:20 amWashington, D.C. Dulles Intl
29h 21m
1 stop
BOS11:41 amBoston Logan Intl
$179

United Airlines flights from Rhode Island to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Rhode Island to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Mar 3
BOS10:30 amBoston Logan Intl
5h 59m
1 stop
IAD4:29 pmWashington, D.C. Dulles Intl
Mar 11
IAD6:00 amWashington, D.C. Dulles Intl
3h 21m
1 stop
BOS9:21 amBoston Logan Intl
$165
United Airlines
Feb 27
BOS5:35 amBoston Logan Intl
1h 44m
IAD7:19 amWashington, D.C. Dulles Intl
Mar 4
IAD8:36 amWashington, D.C. Dulles Intl
4h 17m
1 stop
BOS12:53 pmBoston Logan Intl
$166
United Airlines
Feb 26
BOS5:35 amBoston Logan Intl
1h 44m
IAD7:19 amWashington, D.C. Dulles Intl
Mar 3
IAD12:36 pmWashington, D.C. Dulles Intl
1h 36m
BOS2:12 pmBoston Logan Intl
$167

momondo Fare Finder

 
Customize your flight search to find flights from Rhode Island to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated fevereiro 2, 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

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

ter 4/7

12:42 pm-12:36 am

1 stop11h 54m

Washington, D.C. Dulles Intl

qui 4/9

5:34 pm-1:26 am

1 stop7h 52m

$160

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

ter 3/3

10:30 am-4:29 pm

1 stop5h 59m

Washington, D.C. Dulles Intl

qua 3/11

6:00 am-9:21 am

1 stop3h 21m

$165

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

sex 2/27

5:35 am-7:19 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

qua 3/4

8:36 am-12:53 pm

1 stop4h 17m

$166

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

qui 2/26

5:35 am-7:19 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

ter 3/3

12:36 pm-2:12 pm

Nonstop1h 36m

$167

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

sex 2/20

6:00 am-5:13 pm

1 stop11h 13m

Washington, D.C. Dulles Intl

seg 2/23

7:05 pm-1:13 am

2 stops30h 08m

$170

ProvidenceWashington, D.C.

PVD - IAD

PVDIAD

Providence-TFGreen

ter 4/7

7:36 pm-9:16 pm

Nonstop1h 40m

Washington, D.C. Dulles Intl

seg 4/13

10:20 pm-11:54 pm

Nonstop1h 34m

$171

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

qua 3/11

5:45 am-7:29 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

sex 3/13

6:00 am-9:21 am

1 stop3h 21m

$172

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

qua 2/25

2:20 pm-4:04 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

qui 2/26

8:36 am-12:53 pm

1 stop4h 17m

$173

ProvidenceWashington, D.C.

PVD - IAD

PVDIAD

Providence-TFGreen

qua 5/13

5:46 am-9:59 am

1 stop4h 13m

Washington, D.C. Dulles Intl

sáb 5/16

6:00 am-12:07 pm

1 stop6h 07m

$243

ProvidenceWashington, D.C.

PVD - IAD

PVDIAD

Providence-TFGreen

sáb 2/21

5:20 am-11:50 am

1 stop6h 30m

Washington, D.C. Dulles Intl

sáb 2/28

5:13 pm-11:28 pm

1 stop6h 15m

$251

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Rhode Island to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

In general, February is the cheapest month to fly from Rhode Island to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $238. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $247.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $434. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Rhode Island to Washington, D.C. Dulles Intl Airport for around $733.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Rhode Island in the evening is the least expensive time of day to depart. momondo users have found prices as low as $540 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $656 on average. Flights to Washington, D.C. Dulles Intl Airport from Rhode Island at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Rhode Island to Washington, D.C. Dulles Intl flight route?

Fly from Providence-TFGreen to Washington, D.C. Dulles Intl for the best Rhode Island - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Rhode Island when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $280 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Rhode Island for as low as $189 on momondo.

What cabin class options are available on Rhode Island to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on Rhode Island to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Rhode Island to Washington, D.C. Dulles Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rhode Island to Washington, D.C. Dulles Intl Airport

Best Price Found

$208

Fastest flight time

1h 34m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Rhode Island in the past 72 hours is $208. The best round-trip flight deal from Rhode Island to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $385.
The fastest flight from Rhode Island to Washington, D.C. Dulles Intl Airport takes 1h 34m
Direct flights go from Rhode Island to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • When did momondo last update prices for flights from Rhode Island to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Rhode Island to Washington, D.C. Dulles Intl Airport are updated daily.

  • How many operators does momondo search for flights from Rhode Island to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Rhode Island to Washington, D.C. Dulles Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Rhode Island to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Rhode Island to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Rhode Island to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Rhode Island to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $198Free CancellationRating
7.4
9,229 reviews
Search United Airlines flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Sterling
Fairfax
Linthicum Heights

Why use momondo?

Why should I use momondo to find a flight deal from Rhode Island to Washington, D.C.?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Rhode Island to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Rhode Island to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Rhode Island which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Rhode Island to Washington, D.C.?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Rhode Island to Washington, D.C..

I’m not ready to book a flight from Rhode Island to Washington, D.C. right now. Can momondo alert me if prices change?

Price alerts on flights to Washington, D.C. from Rhode Island are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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