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

The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $74. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Cape Cod and the Islands to Washington, D.C. for a low price.

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

Currently, August is the cheapest month in which you can book a flight from Cape Cod and the Islands to Washington, D.C. (average of $241). Flying from Cape Cod and the Islands to Washington, D.C. in March is currently the most expensive (average of $290). 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 are the most popular routes from Cape Cod and the Islands to Washington, D.C.?

The most popular flight routes from Cape Cod and the Islands to Washington, D.C. are Hyannis Barnstable - Washington, D.C. Reagan-National, West Tisbury Martha's Vineyard - Washington, D.C. Reagan-National and Nantucket Memorial - Washington, D.C. Reagan-National.

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

To save up to 76% on this flight, we recommend booking at least 36 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Cape Cod and the Islands to Washington, D.C. from $177 1-2 weeks out and tickets from $344 for flights departing within the next 72 hours.

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

The best pricing can be found in the month of January. Prices to Washington, D.C. from Cape Cod and the Islands average $187. You can even find prices in January for less than $187, as users have found deals to Washington, D.C. from as low as $66. The month of November appears to be one of the more expensive times to travel to Washington, D.C. from Cape Cod and the Islands. Flying in the targeted month can save you up to 18%.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Cape Cod and the Islands to Washington, D.C. as you normally would.

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

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

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

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

$74+ Flights from Cape Cod and the Islands to Washington, D.C.

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

Round-trip from	$168 (JetBlue)
One-way from	$74 (JetBlue)
Popular in	November
Cheapest in	January
Average price	$209

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

Search Deals

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

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Highest demand for flights based on searches. 6% potential increase in price ($12 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($3 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 Cape Cod and the Islands to Washington, D.C.

Cheapest flights from Cape Cod and the Islands to Washington, D.C.
Explore the most affordable flight options available from Cape Cod and the Islands to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Wed 7/23:26 pmMVY - DCA

Nonstop1h 34mJetBlue

Wed 7/91:05 pmDCA - MVY

Nonstop1h 23mJetBlue

Deal found 6/12

$168

Fri 7/1110:40 amACK - DCA

Nonstop1h 38mJetBlue

Sat 7/123:40 pmDCA - ACK

Nonstop1h 29mJetBlue

Deal found 6/12

$187

Wed 7/212:10 pmMVY - DCA

Nonstop1h 39mAmerican Airlines

Sun 7/611:30 amDCA - MVY

1 stop5h 15mAmerican Airlines

Deal found 6/11

$213

Mon 7/285:19 pmACK - DCA

Nonstop1h 45mAmerican Airlines

Mon 7/2810:20 pmDCA - ACK

1 stop14h 48mAmerican Airlines

Deal found 6/12

$217

Tue 6/174:45 pmACK - DCA

1 stop4h 14mDelta

Tue 6/2411:00 amDCA - ACK

1 stop3h 40mDelta

Deal found 6/11

$226

Wed 7/211:55 amMVY - DCA

1 stop4h 17mDelta

Wed 7/96:00 amDCA - MVY

1 stop5h 02mDelta

Deal found 6/12

$247

Sat 6/213:31 pmHYA - DCA

Nonstop1h 42mAmerican Airlines

Wed 6/2512:42 pmDCA - HYA

Nonstop1h 28mAmerican Airlines

Deal found 6/11

$308

Tue 7/156:15 amHYA - DCA

1 stop10h 45mMultiple Airlines

Fri 7/181:05 pmDCA - HYA

1 stop10h 00mMultiple Airlines

Deal found 6/12

$352

Thu 6/2612:54 pmHYA - BWI

1 stop10h 19mMultiple Airlines

Mon 6/305:45 amBWI - HYA

1 stop6h 21mMultiple Airlines

Deal found 6/11

$419

Sat 6/284:05 pmACK - IAD

1 stop6h 33mUnited Airlines

Mon 6/308:35 amIAD - ACK

1 stop6h 35mUnited Airlines

Deal found 6/12

$434

Tue 7/155:15 pmHYA - DCA

1 stop5h 44mJetBlue

Fri 7/181:44 pmDCA - HYA

1 stop3h 54mJetBlue

Deal found 6/11

$493

Fri 6/201:44 pmACK - IAD

2 stops10h 15mAmerican Airlines

Sun 6/226:55 amIAD - ACK

2 stops11h 03mAmerican Airlines

Deal found 6/12

$509

Best flights from Cape Cod and the Islands to Washington, D.C.
Discover carefully curated flight deals from Cape Cod and the Islands to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Wed 7/23:26 pmMVY - DCA

Nonstop1h 34mJetBlue

Wed 7/91:05 pmDCA - MVY

Nonstop1h 23mJetBlue

Deal found 6/12

$168

Wed 7/212:10 pmMVY - DCA

Nonstop1h 39mAmerican Airlines

Sun 7/611:30 amDCA - MVY

1 stop5h 15mAmerican Airlines

Deal found 6/11

$213

Wed 7/23:23 pmMVY - DCA

1 stop5h 36mDelta

Wed 7/96:00 amDCA - MVY

1 stop5h 02mDelta

Deal found 6/12

$247

Tue 7/156:15 amHYA - DCA

1 stop10h 45mMultiple Airlines

Fri 7/181:05 pmDCA - HYA

1 stop10h 00mMultiple Airlines

Deal found 6/12

$352

Fri 7/114:19 pmACK - DCA

1 stop6h 40mJetBlue

Sat 7/123:40 pmDCA - ACK

Nonstop1h 29mJetBlue

Deal found 6/12

$187

Mon 7/285:19 pmACK - DCA

Nonstop1h 45mAmerican Airlines

Mon 7/2810:20 pmDCA - ACK

1 stop14h 48mAmerican Airlines

Deal found 6/12

$217

Sat 6/284:05 pmACK - IAD

1 stop6h 33mUnited Airlines

Mon 6/308:35 amIAD - ACK

1 stop6h 35mUnited Airlines

Deal found 6/12

$434

Sat 6/284:47 pmACK - DCA

1 stop17h 01mDelta

Mon 6/3011:00 amDCA - ACK

1 stop3h 40mDelta

Deal found 6/12

$291

Sat 6/213:31 pmHYA - DCA

Nonstop1h 42mAmerican Airlines

Wed 6/2512:42 pmDCA - HYA

Nonstop1h 28mAmerican Airlines

Deal found 6/11

$308

Thu 6/2612:54 pmHYA - BWI

1 stop10h 19mMultiple Airlines

Mon 6/305:45 amBWI - HYA

1 stop6h 21mMultiple Airlines

Deal found 6/11

$419

Tue 7/155:15 pmHYA - DCA

1 stop5h 44mJetBlue

Fri 7/181:44 pmDCA - HYA

1 stop3h 54mJetBlue

Deal found 6/11

$493

Sun 6/2910:36 amHYA - IAD

1 stop20h 28mMultiple Airlines

Tue 7/18:35 amIAD - HYA

2 stops9h 03mMultiple Airlines

Deal found 6/10

$531

Last-minute flights from Cape Cod and the Islands to Washington, D.C.
Discover last-minute flight deals from Cape Cod and the Islands to Washington, D.C.. Data last updated June 12, 2025 and is based on user searches.

Tue 6/174:45 pmACK - DCA

1 stop4h 14mDelta

Mon 6/2311:00 amDCA - ACK

1 stop5h 05mDelta

Deal found 6/11

$226

Thu 6/192:16 pmMVY - DCA

1 stop3h 57mDelta

Mon 6/2311:00 amDCA - MVY

1 stop3h 41mDelta

Deal found 6/12

$348

Thu 6/196:00 amHYA - DCA

1 stop6h 18mJetBlue

Thu 6/261:45 pmDCA - HYA

1 stop3h 53mJetBlue

Deal found 6/12

$621

Fri 6/2010:40 amACK - DCA

Nonstop1h 38mJetBlue

Tue 6/244:00 pmDCA - ACK

Nonstop1h 26mJetBlue

Deal found 6/11

$207

Fri 6/203:54 pmACK - DCA

1 stop4h 05mAmerican Airlines

Sun 6/222:59 pmDCA - ACK

Nonstop1h 45mAmerican Airlines

Deal found 6/12

$234

Fri 6/201:44 pmACK - IAD

2 stops10h 15mAmerican Airlines

Sun 6/226:55 amIAD - ACK

2 stops11h 03mAmerican Airlines

Deal found 6/12

$509

Fri 6/206:48 amHYA - IAD

1 stop24h 16mMultiple Airlines

Mon 6/2310:18 pmIAD - HYA

1 stop13h 48mMultiple Airlines

Deal found 6/12

$627

Fri 6/202:35 pmACK - BWI

1 stop7h 33mMultiple Airlines

Sun 6/225:45 amBWI - ACK

2 stops32h 40mMultiple Airlines

Deal found 6/9

$691

Fri 6/2012:19 pmHYA - IAD

2 stops11h 40mAmerican Airlines

Mon 6/238:14 pmIAD - HYA

2 stops16h 52mAmerican Airlines

Deal found 6/12

$700

Sat 6/213:31 pmHYA - DCA

Nonstop1h 42mAmerican Airlines

Wed 6/2512:42 pmDCA - HYA

Nonstop1h 28mAmerican Airlines

Deal found 6/11

$308

Sat 6/216:48 amHYA - BWI

2 stops15h 28mMultiple Airlines

Wed 6/252:15 pmBWI - HYA

1 stop21h 34mMultiple Airlines

Deal found 6/11

$522

Sat 6/216:48 amHYA - DCA

2 stops5h 37mMultiple Airlines

Wed 6/257:00 amDCA - HYA

2 stops8h 10mMultiple Airlines

Deal found 6/11

$566

One-way flights from Cape Cod and the Islands to Washington, D.C.
Search for one-way flight options from Cape Cod and the Islands to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Tue 6/2410:40 amACK - DCA

Nonstop1h 38mJetBlue

Deal found 6/10

$74

Wed 7/95:03 pmMVY - DCA

Nonstop1h 43mAmerican Airlines

Deal found 6/10

$85

Wed 7/233:26 pmMVY - DCA

Nonstop1h 34mJetBlue

Deal found 6/12

$90

Fri 7/412:05 pmACK - DCA

1 stop6h 50mDelta

Deal found 6/10

$94

Fri 7/43:20 pmACK - IAD

1 stop4h 30mDelta

Deal found 6/10

$94

Wed 7/232:13 pmMVY - DCA

1 stop4h 01mDelta

Deal found 6/11

$99

Thu 7/32:16 pmMVY - IAD

1 stop5h 34mDelta

Deal found 6/11

$123

Mon 6/303:54 pmACK - DCA

1 stop4h 05mAmerican Airlines

Deal found 6/9

$144

Mon 7/144:05 pmHYA - DCA

1 stop24h 55mMultiple Airlines

Deal found 6/10

$175

Tue 7/84:46 pmACK - IAD

1 stop5h 41mUnited Airlines

Deal found 6/11

$179

Thu 7/31:15 pmHYA - DCA

1 stop3h 45mJetBlue

Deal found 6/10

$199

Tue 6/241:01 pmHYA - BWI

1 stop18h 29mMultiple Airlines

Deal found 6/10

$200

Cheapflights Fare Finder

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

West TisburyWashington, D.C.

MVY - DCA

MVYDCA

West Tisbury Martha's Vineyard

Wed 7/2

3:26 pm-5:00 pm

Nonstop1h 34m

Washington, D.C. Reagan-National

Wed 7/9

1:05 pm-2:28 pm

Nonstop1h 23m

$168

NantucketWashington, D.C.

ACK - DCA

ACKDCA

Nantucket Memorial

Fri 7/11

10:40 am-12:18 pm

Nonstop1h 38m

Washington, D.C. Reagan-National

Sat 7/12

3:40 pm-5:09 pm

Nonstop1h 29m

$187

West TisburyWashington, D.C.

MVY - DCA

MVYDCA

West Tisbury Martha's Vineyard

Wed 7/2

12:10 pm-1:49 pm

Nonstop1h 39m

Washington, D.C. Reagan-National

Sun 7/6

11:30 am-4:45 pm

1 stop5h 15m

$213

NantucketWashington, D.C.

ACK - DCA

ACKDCA

Nantucket Memorial

Mon 7/28

5:19 pm-7:04 pm

Nonstop1h 45m

Washington, D.C. Reagan-National

Mon 7/28

10:20 pm-1:08 pm

1 stop14h 48m

$217

West TisburyWashington, D.C.

MVY - DCA

MVYDCA

West Tisbury Martha's Vineyard

Wed 7/2

11:55 am-4:12 pm

1 stop4h 17m

Washington, D.C. Reagan-National

Wed 7/9

6:00 am-11:02 am

1 stop5h 02m

$247

NantucketWashington, D.C.

ACK - DCA

ACKDCA

Nantucket Memorial

Sat 6/28

4:47 pm-9:48 am

1 stop17h 01m

Washington, D.C. Reagan-National

Mon 6/30

11:00 am-2:40 pm

1 stop3h 40m

$291

HyannisWashington, D.C.

HYA - DCA

HYADCA

Hyannis Barnstable

Wed 6/25

2:42 pm-4:24 pm

Nonstop1h 42m

Washington, D.C. Reagan-National

Sun 6/29

2:59 pm-4:42 pm

Nonstop1h 43m

$351

HyannisWashington, D.C.

HYA - DCA

HYADCA

Hyannis Barnstable

Tue 7/15

6:15 am-5:00 pm

1 stop10h 45m

Washington, D.C. Reagan-National

Fri 7/18

1:05 pm-11:05 pm

1 stop10h 00m

$352

HyannisBaltimore

HYA - BWI

HYABWI

Hyannis Barnstable

Thu 6/26

12:54 pm-11:13 pm

1 stop10h 19m

Baltimore/Washington

Mon 6/30

5:45 am-12:06 pm

1 stop6h 21m

$419

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Sat 6/28

4:05 pm-10:38 pm

1 stop6h 33m

Washington, D.C. Dulles Intl

Mon 6/30

8:35 am-3:10 pm

1 stop6h 35m

$434

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 57 results

...

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

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

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

The most flights from zzKDT to WAS 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 Washington, D.C. by month

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

If weather is an important factor for your trip to Washington, D.C., 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Read through reviews of airlines operating flights from Cape Cod and the Islands to Washington, D.C., such as Delta, United Airlines and JetBlue. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,950 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

7,950 reviews

Delta

8.0

Very good

7,950 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

8,790 reviews

Delta

8.0

Very good

7,950 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

2,925 reviews

Delta

8.0

Very good

7,950 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

7,950 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 Cape Cod and the Islands to Washington, D.C. one-way?
The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $74. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Cape Cod and the Islands to Washington, D.C. for a low price.
What are the most popular routes from Cape Cod and the Islands to Washington, D.C.?
The most popular flight routes from Cape Cod and the Islands to Washington, D.C. are Hyannis Barnstable - Washington, D.C. Reagan-National, West Tisbury Martha's Vineyard - Washington, D.C. Reagan-National and Nantucket Memorial - Washington, D.C. Reagan-National.
Can I find deals for flights from Cape Cod and the Islands to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Cape Cod and the Islands to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Cape Cod and the Islands to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cape Cod and the Islands to Washington, D.C..
Can I find deals for business class flights from Cape Cod and the Islands to Washington, D.C.?
Yes. Cheapflights offers flight deals from Cape Cod and the Islands to Washington, D.C. 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 Cape Cod and the Islands to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Cape Cod and the Islands to Washington, D.C. (average of $241). Flying from Cape Cod and the Islands to Washington, D.C. in March is currently the most expensive (average of $290). 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

Arlington

Alexandria

Woodbridge

Tysons

Silver Spring

Linthicum Heights

Fredericksburg

Gaithersburg

Fairfax

Falls Church

Easton

Herndon

Towson

Bowie

Rockville

Reston

National Harbor

Springfield

Manassas

Dundalk

Browse thousands of different options on Cheapflights for your next trip

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

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest$123	Average$345	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$123	Average$294	FlexibilityNo cancel fee	On-time71%

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$74+ Cheap flights from Cape Cod and the Islands to Washington, D.C. (WAS)

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 6/24. Fares are subject to change and may not be available on all flights or dates of travel.

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Keep the following information in mind while searching for Cape Cod and the Islands to Washington, D.C. flight deals. Data was last updated June 12, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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

Cheapest flights from Cape Cod and the Islands to Washington, D.C.Explore the most affordable flight options available from Cape Cod and the Islands to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Explore the most affordable flight options available from Cape Cod and the Islands to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Cheapflights Fare Finder

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

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

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

Cheapflights Insights

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

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

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

Read through reviews of airlines operating flights from Cape Cod and the Islands to Washington, D.C., such as Delta, United Airlines and JetBlue. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Cape Cod and the Islands to Washington, D.C.. 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 Cape Cod and the Islands to Washington, D.C. one-way?

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

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

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

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

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

Traveling to a place near 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 Cape Cod and the Islands to Washington, D.C.

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

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

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Cheapest flights from Cape Cod and the Islands to Washington, D.C.
Explore the most affordable flight options available from Cape Cod and the Islands to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.