What are the cheapest airlines to fly from Washington, D.C. to Cape Cod and the Islands one-way?

One-way options have recently been found by users for as low as $85 on JetBlue. Other airlines that offer cheap prices include American Airlines from $90 and Delta from $94 one-way.

What are the most popular routes from Washington, D.C. to Cape Cod and the Islands?

Most travelers choose Washington, D.C. Reagan-National - Nantucket Memorial, Washington, D.C. Dulles Intl - Nantucket Memorial or Washington, D.C. Reagan-National - West Tisbury Martha's Vineyard when deciding on the best route from Washington, D.C. to Cape Cod and the Islands.

How far in advance should I book a flight from Washington, D.C. to Cape Cod and the Islands?

Users have found that booking a flight from Washington, D.C. to Cape Cod and the Islands at least 31 days early can save you up to 175% on average compared to booking a flight this week. If booking 31 days before your flight isn’t an option for you, users have found flights from Washington, D.C. to Cape Cod and the Islands for as little as $187 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $344 for flights departing within the next 3 days.

What is the cheapest month to fly from Washington, D.C. to Cape Cod and the Islands?

Due to multiple factors, expect to potentially pay more when booking in April. For low rates, January can be a great choice for travel to Cape Cod and the Islands. Flights to Cape Cod and the Islands from Washington, D.C. in January are about $197 on average during January, but can be found for as low as $67.

How can I find direct flights from Washington, D.C. to Cape Cod and the Islands?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Cape Cod and the Islands.

Can I find deals for business class flights from Washington, D.C. to Cape Cod and the Islands?

Yes. Cheapflights offers flight deals from Washington, D.C. to Cape Cod and the Islands by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$85+ Flights from Washington, D.C. to Cape Cod and the Islands

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

Round-trip from	$188 (JetBlue)
One-way from	$85 (JetBlue)
Popular in	April
Cheapest in	January
Average price	$223

From Washington, D.C. (WAS) to Cape Cod and the Islands

Search Deals

One-way flight from Washington, D.C. (WAS) to Cape Cod and the Islands

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($22 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Find flight deals from Washington, D.C. to Cape Cod and the Islands

Cheapest flights from Washington, D.C. to Cape Cod and the Islands
Explore the most affordable flight options available from Washington, D.C. to Cape Cod and the Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2025.

Mon 6/3011:00 amDCA - ACK

1 stop3h 40mDelta

Fri 7/412:05 pmACK - DCA

1 stop6h 50mDelta

Deal found 6/16

$188

Sat 7/123:40 pmDCA - ACK

Nonstop1h 29mJetBlue

Wed 7/1610:40 amACK - DCA

Nonstop1h 38mJetBlue

Deal found 6/14

$193

Mon 8/41:05 pmDCA - MVY

Nonstop1h 23mJetBlue

Thu 8/73:15 pmMVY - DCA

Nonstop1h 34mJetBlue

Deal found 6/16

$207

Tue 7/156:05 amDCA - MVY

2 stops8h 37mDelta

Wed 7/162:13 pmMVY - DCA

1 stop4h 01mDelta

Deal found 6/16

$208

Tue 7/810:05 amDCA - MVY

Nonstop1h 36mAmerican Airlines

Thu 7/102:17 pmMVY - DCA

1 stop4h 08mAmerican Airlines

Deal found 6/14

$213

Tue 7/1510:06 amDCA - ACK

Nonstop1h 38mAmerican Airlines

Mon 7/215:19 pmACK - DCA

Nonstop1h 45mAmerican Airlines

Deal found 6/16

$214

Mon 6/306:00 amIAD - ACK

2 stops10h 05mDelta

Fri 7/43:20 pmACK - IAD

1 stop4h 30mDelta

Deal found 6/16

$254

Tue 7/86:35 amIAD - MVY

2 stops7h 12mAmerican Airlines

Tue 7/152:17 pmMVY - IAD

2 stops9h 41mAmerican Airlines

Deal found 6/14

$257

Sat 7/1910:00 amDCA - HYA

Nonstop1h 40mAmerican Airlines

Sat 8/23:14 pmHYA - DCA

Nonstop1h 45mAmerican Airlines

Deal found 6/14

$280

Sat 8/165:02 amBWI - ACK

1 stop6h 09mAmerican Airlines

Wed 8/201:41 pmACK - BWI

2 stops9h 28mAmerican Airlines

Deal found 6/15

$282

Wed 7/305:00 amBWI - MVY

2 stops8h 47mAmerican Airlines

Wed 8/62:03 pmMVY - BWI

2 stops9h 06mAmerican Airlines

Deal found 6/15

$316

Sat 7/128:31 pmIAD - MVY

1 stop17h 02mDelta

Sat 7/192:13 pmMVY - IAD

1 stop5h 38mDelta

Deal found 6/15

$327

Best flights from Washington, D.C. to Cape Cod and the Islands
Discover carefully curated flight deals from Washington, D.C. to Cape Cod and the Islands that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 16, 2025.

Mon 6/304:00 pmDCA - ACK

Nonstop1h 26mJetBlue

Thu 7/310:40 amACK - DCA

Nonstop1h 38mJetBlue

Deal found 6/15

$188

Mon 6/3011:00 amDCA - ACK

1 stop3h 40mDelta

Fri 7/412:05 pmACK - DCA

2 stops10h 52mDelta

Deal found 6/16

$194

Tue 7/810:05 amDCA - MVY

Nonstop1h 36mAmerican Airlines

Thu 7/102:17 pmMVY - DCA

1 stop4h 08mAmerican Airlines

Deal found 6/14

$213

Mon 7/76:15 amIAD - ACK

1 stop5h 03mUnited Airlines

Thu 7/104:46 pmACK - IAD

1 stop5h 41mUnited Airlines

Deal found 6/14

$327

Sat 7/53:40 pmDCA - HYA

1 stop7h 38mMultiple Airlines

Tue 7/84:05 pmHYA - DCA

1 stop24h 55mMultiple Airlines

Deal found 6/15

$348

Mon 8/41:05 pmDCA - MVY

Nonstop1h 23mJetBlue

Thu 8/73:15 pmMVY - DCA

Nonstop1h 34mJetBlue

Deal found 6/16

$207

Tue 7/156:05 amDCA - MVY

2 stops8h 37mDelta

Wed 7/162:13 pmMVY - DCA

1 stop4h 01mDelta

Deal found 6/16

$208

Sun 8/31:50 pmDCA - ACK

1 stop4h 31mAmerican Airlines

Wed 8/61:41 pmACK - DCA

1 stop4h 57mAmerican Airlines

Deal found 6/14

$246

Mon 6/306:00 amIAD - ACK

2 stops10h 05mDelta

Fri 7/43:20 pmACK - IAD

1 stop4h 30mDelta

Deal found 6/16

$254

Tue 7/86:35 amIAD - MVY

2 stops7h 12mAmerican Airlines

Tue 7/152:17 pmMVY - IAD

2 stops9h 41mAmerican Airlines

Deal found 6/14

$257

Sat 7/1910:00 amDCA - HYA

Nonstop1h 40mAmerican Airlines

Sat 8/212:50 pmHYA - DCA

Nonstop1h 45mAmerican Airlines

Deal found 6/16

$280

Sat 8/165:02 amBWI - ACK

1 stop6h 09mAmerican Airlines

Wed 8/201:41 pmACK - BWI

2 stops9h 28mAmerican Airlines

Deal found 6/15

$282

Last-minute flights from Washington, D.C. to Cape Cod and the Islands
Discover last-minute flight deals from Washington, D.C. to Cape Cod and the Islands. Data last updated June 16, 2025 and is based on user searches.

Sat 6/213:40 pmDCA - ACK

Nonstop1h 29mJetBlue

Sat 7/1210:40 amACK - DCA

Nonstop1h 38mJetBlue

Deal found 6/14

$207

Sat 6/215:50 amIAD - MVY

1 stop5h 20mAmerican Airlines

Tue 6/242:42 pmMVY - IAD

2 stops9h 17mAmerican Airlines

Deal found 6/14

$354

Sat 6/2112:30 pmDCA - HYA

Nonstop1h 29mAmerican Airlines

Sun 6/222:42 pmHYA - DCA

Nonstop1h 42mAmerican Airlines

Deal found 6/14

$546

Sat 6/215:00 amBWI - ACK

1 stop6h 15mAmerican Airlines

Wed 6/251:14 pmACK - BWI

2 stops11h 01mAmerican Airlines

Deal found 6/13

$552

Sat 6/215:45 amBWI - HYA

1 stop7h 00mMultiple Airlines

Sun 6/226:48 amHYA - BWI

1 stop24h 42mMultiple Airlines

Deal found 6/14

$552

Mon 6/2311:00 amDCA - ACK

1 stop5h 05mDelta

Thu 6/264:45 pmACK - DCA

1 stop6h 14mDelta

Deal found 6/14

$226

Mon 6/239:00 amDCA - ACK

1 stop3h 38mAmerican Airlines

Thu 6/2612:15 pmACK - DCA

Nonstop1h 44mAmerican Airlines

Deal found 6/14

$234

Mon 6/238:14 pmIAD - ACK

3 stops16h 24mAmerican Airlines

Mon 6/303:54 pmACK - IAD

3 stops16h 44mAmerican Airlines

Deal found 6/15

$528

Wed 6/251:05 pmDCA - MVY

Nonstop1h 23mJetBlue

Sat 7/193:26 pmMVY - DCA

Nonstop1h 34mJetBlue

Deal found 6/14

$268

Wed 6/256:00 amDCA - MVY

1 stop5h 15mDelta

Sat 7/192:13 pmMVY - DCA

1 stop4h 01mDelta

Deal found 6/14

$287

Wed 6/2510:00 amDCA - MVY

1 stop4h 08mAmerican Airlines

Thu 7/312:10 pmMVY - DCA

Nonstop1h 39mAmerican Airlines

Deal found 6/14

$314

Thu 6/266:15 amIAD - ACK

1 stop3h 40mUnited Airlines

Mon 6/304:10 pmACK - IAD

1 stop6h 17mUnited Airlines

Deal found 6/15

$566

One-way flights from Washington, D.C. to Cape Cod and the Islands
Search for one-way flight options from Washington, D.C. to Cape Cod and the Islands. Find affordable one-way fares based on user searches. Data last updated June 16, 2025.

Wed 7/94:00 pmDCA - ACK

Nonstop1h 26mJetBlue

Deal found 6/14

$85

Tue 7/81:05 pmDCA - MVY

Nonstop1h 23mJetBlue

Deal found 6/15

$85

Tue 7/1510:06 amDCA - ACK

Nonstop1h 38mAmerican Airlines

Deal found 6/15

$90

Wed 7/911:00 amDCA - ACK

1 stop3h 42mDelta

Deal found 6/14

$94

Tue 7/811:00 amDCA - MVY

1 stop3h 42mDelta

Deal found 6/15

$94

Wed 7/96:00 amIAD - ACK

2 stops8h 42mDelta

Deal found 6/14

$100

Sat 7/126:35 amIAD - MVY

1 stop4h 44mAmerican Airlines

Deal found 6/16

$123

Sat 7/512:30 pmDCA - HYA

Nonstop1h 30mAmerican Airlines

Deal found 6/14

$141

Sun 7/1311:30 amDCA - MVY

1 stop5h 15mAmerican Airlines

Deal found 6/14

$153

Tue 7/156:00 amIAD - MVY

2 stops8h 42mDelta

Deal found 6/14

$160

Wed 7/161:05 pmDCA - HYA

1 stop23h 55mMultiple Airlines

Deal found 6/14

$174

Wed 7/166:35 amIAD - ACK

2 stops6h 33mAmerican Airlines

Deal found 6/13

$204

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Cape Cod and the Islands that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Nantucket

DCA - ACK

DCAACK

Washington, D.C. Reagan-National

Mon 6/30

11:00 am-2:40 pm

1 stop3h 40m

Nantucket Memorial

Fri 7/4

12:05 pm-6:55 pm

1 stop6h 50m

$188

Washington, D.C.Nantucket

DCA - ACK

DCAACK

Washington, D.C. Reagan-National

Sat 7/12

3:40 pm-5:09 pm

Nonstop1h 29m

Nantucket Memorial

Wed 7/16

10:40 am-12:18 pm

Nonstop1h 38m

$193

Washington, D.C.West Tisbury

DCA - MVY

DCAMVY

Washington, D.C. Reagan-National

Mon 8/4

1:05 pm-2:28 pm

Nonstop1h 23m

West Tisbury Martha's Vineyard

Thu 8/7

3:15 pm-4:49 pm

Nonstop1h 34m

$207

Washington, D.C.West Tisbury

DCA - MVY

DCAMVY

Washington, D.C. Reagan-National

Tue 7/15

6:05 am-2:42 pm

2 stops8h 37m

West Tisbury Martha's Vineyard

Wed 7/16

2:13 pm-6:14 pm

1 stop4h 01m

$208

Washington, D.C.West Tisbury

DCA - MVY

DCAMVY

Washington, D.C. Reagan-National

Tue 7/8

10:05 am-11:41 am

Nonstop1h 36m

West Tisbury Martha's Vineyard

Thu 7/10

2:17 pm-6:25 pm

1 stop4h 08m

$213

Washington, D.C.Nantucket

DCA - ACK

DCAACK

Washington, D.C. Reagan-National

Tue 7/15

10:06 am-11:44 am

Nonstop1h 38m

Nantucket Memorial

Mon 7/21

5:19 pm-7:04 pm

Nonstop1h 45m

$214

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Mon 6/30

6:00 am-4:05 pm

2 stops10h 05m

Nantucket Memorial

Fri 7/4

3:20 pm-7:50 pm

1 stop4h 30m

$254

Washington, D.C.West Tisbury

IAD - MVY

IADMVY

Washington, D.C. Dulles Intl

Tue 7/8

6:35 am-1:47 pm

2 stops7h 12m

West Tisbury Martha's Vineyard

Tue 7/15

2:17 pm-11:58 pm

2 stops9h 41m

$257

Washington, D.C.Hyannis

DCA - HYA

DCAHYA

Washington, D.C. Reagan-National

Sat 7/19

10:00 am-11:40 am

Nonstop1h 40m

Hyannis Barnstable

Sat 8/2

3:14 pm-4:59 pm

Nonstop1h 45m

$280

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Sat 8/16

5:02 am-11:11 am

1 stop6h 09m

Nantucket Memorial

Wed 8/20

1:41 pm-11:09 pm

2 stops9h 28m

$282

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Showing 1-10 of 59 results

...

Best time to book a flight from Washington, D.C. to Cape Cod and the Islands

Have a flexible travel schedule? Discover the best time to fly to Cape Cod and the Islands from Washington, D.C. 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. to Cape Cod and the Islands

What is the cheapest time of day to fly from WAS to KDT?

When flying from Washington, D.C. to Cape Cod and the Islands, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Washington, D.C. to Cape Cod and the Islands

The most flights from WAS to zzKDT are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Cape Cod and the Islands by month

In terms of precipitation, rainfall in Cape Cod and the Islands ranges from 1.6 - 4.3 inches per month. January is typically the wettest month, when rainfall can reach 4.3 in. June is typically the driest time to visit Cape Cod and the Islands when rainfall is around 1.6 in.

Temperature in Cape Cod and the Islands by month

If weather is an important factor for your trip to Cape Cod and the Islands, 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 66.2 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Cape Cod and the Islands

Peruse reviews from past customers who have flown with Delta, United Airlines and JetBlue from Washington, D.C. to Cape Cod and the Islands to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,963 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,963 reviews

Delta

8.0

Very good

7,963 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,801 reviews

Delta

8.0

Very good

7,963 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

JetBlue

7.3

Good

2,922 reviews

Delta

8.0

Very good

7,963 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,963 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines to fly from Washington, D.C. to Cape Cod and the Islands one-way?
One-way options have recently been found by users for as low as $85 on JetBlue. Other airlines that offer cheap prices include American Airlines from $90 and Delta from $94 one-way.
What are the most popular routes from Washington, D.C. to Cape Cod and the Islands?
Most travelers choose Washington, D.C. Reagan-National - Nantucket Memorial, Washington, D.C. Dulles Intl - Nantucket Memorial or Washington, D.C. Reagan-National - West Tisbury Martha's Vineyard when deciding on the best route from Washington, D.C. to Cape Cod and the Islands.
Can I find deals for flights from Washington, D.C. to Cape Cod and the Islands that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Cape Cod and the Islands flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Cape Cod and the Islands?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Cape Cod and the Islands.
Can I find deals for business class flights from Washington, D.C. to Cape Cod and the Islands?
Yes. Cheapflights offers flight deals from Washington, D.C. to Cape Cod and the Islands by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Washington, D.C. to Cape Cod and the Islands

Reagan-National to Boston flights

Dulles Intl to Boston flights

Reagan-National to Hartford flights

Reagan-National to Nantucket flights

Dulles Intl to Hartford flights

Reagan-National to West Tisbury flights

Dulles Intl to Albany flights

Reagan-National to Albany flights

Dulles Intl to West Tisbury flights

Dulles Intl to Nantucket flights

Reagan-National to Hyannis flights

Dulles Intl to Hyannis flights

Reagan-National to Provincetown flights

Dulles Intl to Provincetown flights

Dulles Intl to Worcester flights

Dulles Intl to New Bedford flights

Complete your trip

Massachusetts car rentals

Boston Logan Intl Airport car rentals

Nantucket Memorial Airport car rentals

Worcester Airport car rentals

Hyannis Barnstable Airport car rentals

Provincetown Airport car rentals

New Bedford Regional Airport car rentals

Bedford Hanscom Field Airport car rentals

Boston car rentals

Worcester car rentals

Springfield car rentals

Hyannis car rentals

Top 2 airlines flying from Washington, D.C. to Cape Cod and the Islands

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest$116	Average$458	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$137	Average$344	FlexibilityNo cancel fee	On-time71%

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$85+ Cheap flights from Washington, D.C. (WAS) to Cape Cod and the Islands

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Cape Cod and the Islands with Cheapflights

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

Keep the following information in mind while searching for Washington, D.C. to Cape Cod and the Islands flight deals. Data was last updated June 16, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Washington, D.C. to Cape Cod and the Islands

Cheapest flights from Washington, D.C. to Cape Cod and the IslandsExplore the most affordable flight options available from Washington, D.C. to Cape Cod and the Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2025.

Explore the most affordable flight options available from Washington, D.C. to Cape Cod and the Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Cape Cod and the Islands that are best for you.

Best time to book a flight from Washington, D.C. to Cape Cod and the Islands

Have a flexible travel schedule? Discover the best time to fly to Cape Cod and the Islands from Washington, D.C. with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Cape Cod and the Islands

What is the cheapest time of day to fly from WAS to KDT?

Find hourly flight availability from Washington, D.C. to Cape Cod and the Islands. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 16, 2025.

Weekly flight availability from Washington, D.C. to Cape Cod and the Islands

Rainfall in Cape Cod and the Islands by month

Plan your trip to Cape Cod and the Islands by taking into account the average rainfall totals by month.

Temperature in Cape Cod and the Islands by month

Plan your trip to Cape Cod and the Islands by taking into account the average temperature totals by month.

Reviews of airlines servicing Cape Cod and the Islands

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Cape Cod and the Islands. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from Washington, D.C. to Cape Cod and the Islands one-way?

What are the most popular routes from Washington, D.C. to Cape Cod and the Islands?

Can I find deals for flights from Washington, D.C. to Cape Cod and the Islands that include hotel bookings?

How can I find direct flights from Washington, D.C. to Cape Cod and the Islands?

Can I find deals for business class flights from Washington, D.C. to Cape Cod and the Islands?

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 Washington, D.C. to Cape Cod and the Islands

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

Top 2 airlines flying from Washington, D.C. to Cape Cod and the Islands

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Cheapest flights from Washington, D.C. to Cape Cod and the Islands
Explore the most affordable flight options available from Washington, D.C. to Cape Cod and the Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2025.