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Cheap flights from Cape Cod and the Islands to Washington, D.C. from $77

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cape Cod and the Islands to Washington, D.C. departing on 6/30. 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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Find the cheapest flights from Cape Cod and the Islands to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
10:52 am - 12:29 pm
ACK
-
DCA
1h 37mnonstop
JetBlue Logo
3:40 pm - 5:12 pm
DCA
-
ACK
1h 32mnonstop
$155JetBlue
Sat, Jun 13 - Mon, Jun 15
JetBlue Logo
10:52 am - 12:29 pm
ACK
-
DCA
1h 37mnonstop
JetBlue Logo
3:25 pm - 4:56 pm
DCA
-
ACK
1h 31mnonstop
$157JetBlue
Thu, Aug 13 - Mon, Aug 17
JetBlue Logo
2:54 pm - 4:32 pm
MVY
-
DCA
1h 38mnonstop
JetBlue Logo
12:36 pm - 1:59 pm
DCA
-
MVY
1h 23mnonstop
$202JetBlue
Thu, Jun 25 - Mon, Jun 29
American Airlines Logo
5:31 pm - 7:15 pm
MVY
-
DCA
1h 44mnonstop
American Airlines Logo
6:57 am - 1:21 pm
DCA
-
MVY
6h 24m
1 stop
$226American Airlines
Thu, Jun 25 - Mon, Jun 29
American Airlines Logo
3:13 pm - 5:00 pm
ACK
-
DCA
1h 47mnonstop
American Airlines Logo
2:40 pm - 4:21 pm
DCA
-
ACK
1h 41mnonstop
$227American Airlines
Sat, Jul 11 - Tue, Jul 14
Delta Logo
1:18 pm - 4:59 pm
MVY
-
DCA
3h 41m
1 stop
Delta Logo
6:02 am - 12:38 pm
DCA
-
MVY
6h 36m
1 stop
$246Delta
Thu, Jul 9 - Sun, Jul 12
Delta Logo
4:40 pm - 8:59 pm
ACK
-
DCA
4h 19m
1 stop
Delta Logo
11:00 am - 3:48 pm
DCA
-
ACK
4h 48m
1 stop
$271Delta
Sat, Jul 11 - Tue, Jul 14
United Airlines Logo
3:49 pm - 9:09 pm
ACK
-
IAD
5h 20m
1 stop
United Airlines Logo
8:29 am - 2:47 pm
IAD
-
ACK
6h 18m
1 stop
$552United Airlines
Sat, Aug 29 - Tue, Sep 1
Multiple Airlines Logo
7:05 am - 11:54 pm
HYA
-
BWI
16h 49m
1 stop
Multiple Airlines Logo
6:35 am - 11:02 am
BWI
-
HYA
4h 27m
1 stop
$553Multiple Airlines
Thu, Apr 16 - Mon, Apr 20
Multiple Airlines Logo
7:05 am - 11:54 pm
HYA
-
BWI
16h 49m
1 stop
Multiple Airlines Logo
2:30 pm - 11:02 am
BWI
-
HYA
20h 32m
2 stops
$589Multiple Airlines
Thu, Apr 16 - Mon, Apr 20

United Airlines flights from Cape Cod and the Islands to Washington, D.C.

Our best United Airlines deals on Cape Cod and the Islands to Washington, D.C. flight tickets
United Airlines
Aug 29
ACK3:49 pmNantucket Memorial
5h 20m
1 stop
IAD9:09 pmWashington, D.C. Dulles Intl
Sep 1
IAD8:29 amWashington, D.C. Dulles Intl
6h 18m
1 stop
ACK2:47 pmNantucket Memorial
$552
United Airlines
Aug 29
ACK4:32 pmNantucket Memorial
19h 16m
2 stops
IAD11:48 amWashington, D.C. Dulles Intl
Sep 1
IAD8:29 amWashington, D.C. Dulles Intl
6h 18m
1 stop
ACK2:47 pmNantucket Memorial
$597
United Airlines
Jun 25
ACK10:53 amNantucket Memorial
20h 14m
2 stops
IAD7:07 amWashington, D.C. Dulles Intl
Jun 29
IAD8:25 amWashington, D.C. Dulles Intl
6h 39m
1 stop
ACK3:04 pmNantucket Memorial
$643

Delta flights from Cape Cod and the Islands to Washington, D.C.

Our best Delta deals on Cape Cod and the Islands to Washington, D.C. flight tickets
Delta
Jul 9
MVY1:18 pmWest Tisbury Martha's Vineyard
3h 41m
1 stop
DCA4:59 pmWashington, D.C. Reagan-National
Jul 12
DCA6:02 amWashington, D.C. Reagan-National
6h 36m
1 stop
MVY12:38 pmWest Tisbury Martha's Vineyard
$246
Delta
Jul 11
ACK4:40 pmNantucket Memorial
4h 19m
1 stop
DCA8:59 pmWashington, D.C. Reagan-National
Jul 14
DCA11:00 amWashington, D.C. Reagan-National
4h 48m
1 stop
ACK3:48 pmNantucket Memorial
$271
Delta
Jun 13
ACK4:40 pmNantucket Memorial
6h 16m
1 stop
DCA10:56 pmWashington, D.C. Reagan-National
Jun 15
DCA6:20 amWashington, D.C. Reagan-National
5h 06m
1 stop
ACK11:26 amNantucket Memorial
$302

momondo Fare Finder

 
Customize your flight search to find flights from Cape Cod and the Islands to Washington, D.C. 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 April 5, 2026.
Use the filters below to find and compare flights from Cape Cod and the Islands to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NantucketWashington, D.C.

ACK - DCA

ACKDCA

Nantucket Memorial

Sat 6/13

10:52 am-12:29 pm

Nonstop1h 37m

Washington, D.C. Reagan-National

Mon 6/15

3:40 pm-5:12 pm

Nonstop1h 32m

$155

NantucketWashington, D.C.

ACK - DCA

ACKDCA

Nantucket Memorial

Thu 8/13

10:52 am-12:29 pm

Nonstop1h 37m

Washington, D.C. Reagan-National

Mon 8/17

3:25 pm-4:56 pm

Nonstop1h 31m

$157
Quickest round-trip

West TisburyWashington, D.C.

MVY - DCA

MVYDCA

West Tisbury Martha's Vineyard

Thu 6/25

2:54 pm-4:32 pm

Nonstop1h 38m

Washington, D.C. Reagan-National

Mon 6/29

12:36 pm-1:59 pm

Nonstop1h 23m

$202

West TisburyWashington, D.C.

MVY - DCA

MVYDCA

West Tisbury Martha's Vineyard

Thu 6/25

5:31 pm-7:15 pm

Nonstop1h 44m

Washington, D.C. Reagan-National

Mon 6/29

6:57 am-1:21 pm

1 stop6h 24m

$226

NantucketWashington, D.C.

ACK - DCA

ACKDCA

Nantucket Memorial

Sat 7/11

3:13 pm-5:00 pm

Nonstop1h 47m

Washington, D.C. Reagan-National

Tue 7/14

2:40 pm-4:21 pm

Nonstop1h 41m

$227

West TisburyWashington, D.C.

MVY - DCA

MVYDCA

West Tisbury Martha's Vineyard

Thu 7/9

1:18 pm-4:59 pm

1 stop3h 41m

Washington, D.C. Reagan-National

Sun 7/12

6:02 am-12:38 pm

1 stop6h 36m

$246

NantucketWashington, D.C.

ACK - DCA

ACKDCA

Nantucket Memorial

Sat 7/11

4:40 pm-8:59 pm

1 stop4h 19m

Washington, D.C. Reagan-National

Tue 7/14

11:00 am-3:48 pm

1 stop4h 48m

$271

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Sat 8/29

3:49 pm-9:09 pm

1 stop5h 20m

Washington, D.C. Dulles Intl

Tue 9/1

8:29 am-2:47 pm

1 stop6h 18m

$552

HyannisBaltimore

HYA - BWI

HYABWI

Hyannis Barnstable

Thu 4/16

7:05 am-11:54 pm

1 stop16h 49m

Baltimore/Washington

Mon 4/20

6:35 am-11:02 am

1 stop4h 27m

$553

HyannisBaltimore

HYA - BWI

HYABWI

Hyannis Barnstable

Thu 4/16

7:05 am-11:54 pm

1 stop16h 49m

Baltimore/Washington

Mon 4/20

2:30 pm-11:02 am

2 stops20h 32m

$589

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Cape Cod and the Islands to Washington, D.C.

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.?

The month of September is, on average, the cheapest month to fly to Washington, D.C. from Cape Cod and the Islands, with most prices found around $189. If you’re not able to fly to Washington, D.C. in September, then July is your next best option. Flight prices from Cape Cod and the Islands to Washington, D.C. during July average around $203.

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

On average, the least expensive day to fly to Washington, D.C. from Cape Cod and the Islands is on a Friday. momondo users have found tickets for Friday departures for as low as $292. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Cape Cod and the Islands to Washington, D.C. for around $395.

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

In the afternoon is the cheapest time of day to fly from Cape Cod and the Islands to Washington, D.C. when you can find flight prices for as low as $305. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $377. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Cape Cod and the Islands to Washington, D.C. flight route?

Fly from West Tisbury Martha's Vineyard to Washington, D.C. Reagan-National for the best Cape Cod and the Islands - Washington, D.C. flight prices

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

You are more likely to see cheaper flights to Washington, D.C. from Cape Cod and the Islands when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $295 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Cape Cod and the Islands for as low as $241 on momondo.

What cabin class options are available on Cape Cod and the Islands to Washington, D.C. flights?

There are 3 cabin classes available to choose from on Cape Cod and the Islands to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Cape Cod and the Islands to Washington, D.C. flights?

No. A direct flight is the cheapest option for a flight between Cape Cod and the Islands to Washington, D.C..

Cheap Cape Cod and the Islands to Washington, D.C. flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cape Cod and the Islands to Washington, D.C.

Fastest flight time

1h 37m

Direct flights

Every day

Airports in Washington, D.C.

2 airports
The fastest flight from Cape Cod and the Islands to Washington, D.C. takes 1h 37m
Direct flights go from Cape Cod and the Islands to Washington, D.C. every day.
There are 2 airports in Washington, D.C.. From Cape Cod and the Islands there are direct flights to Washington, D.C. Reagan-National (DCA).
Search flight deals

Frequently asked questions about flying from Cape Cod and the Islands to Washington, D.C.

  • When did momondo last update prices for flights from Cape Cod and the Islands to Washington, D.C.?

    Prices for flights from Cape Cod and the Islands to Washington, D.C. were last updated today.

  • How many operators does momondo search for flights from Cape Cod and the Islands to Washington, D.C.?

  • How old do you have to be to fly from Cape Cod and the Islands to Washington, D.C.?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Cape Cod and the Islands to Washington, D.C..

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

    The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Cape Cod and the Islands to Washington, D.C.?

Best airlines flying from Cape Cod and the Islands to Washington, D.C.

Compare and see reviews for airlines that fly from Cape Cod and the Islands to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $157Free CancellationRating
7.2
2,913 reviews
Search JetBlue flights
American AirlinesPriceFrom $289Free CancellationRating
7.1
11,554 reviews
Search American 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
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Linthicum Heights
Springfield
Bethesda
Fairfax
College Park

Why use momondo?

Why should I use momondo to find a flight deal from Cape Cod and the Islands to Washington, D.C.?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Cape Cod and the Islands to Washington, D.C. for you.

Can I find flights from Cape Cod and the Islands to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Cape Cod and the Islands to Washington, D.C. flights to just show those with flexible booking policies.

How can momondo help me find flights from Cape Cod and the Islands to Washington, D.C.?

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Cape Cod and the Islands. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Cape Cod and the Islands to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Cape Cod and the Islands. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport