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Delaware

$109+ Cheap flights from Reagan-National (DCA) to Delaware

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — ILG
May 18 — May 251
Mon 5/18
Mon 5/25
1 adult, Economy
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Cheap flight deals from Reagan-National to Delaware

Cheapest flights from Reagan-National to Delaware
Explore the most affordable flight options available from Reagan-National to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 18, 2026.

This KAYAK deal was found by Cheapflights users on 4/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/13:39 pm
DCA
-
PHL
1 stop7h 08m
JetBlue
Thu 6/49:21 am
PHL
-
DCA
1 stop5h 22m
JetBlue
Deal found 4/13$219
This Expedia deal was found by Cheapflights users on 4/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/143:35 pm
DCA
-
PHL
1 stop8h 16m
JetBlue
Thu 7/168:28 am
PHL
-
DCA
1 stop6h 02m
JetBlue
Deal found 4/16$221
This JetBlue deal was found by Cheapflights users on 4/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:35 pm
DCA
-
PHL
1 stop8h 16m
JetBlue
Wed 8/268:28 am
PHL
-
DCA
1 stop6h 02m
JetBlue
Deal found 4/16$234
This American Airlines deal was found by Cheapflights users on 4/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:45 pm
DCA
-
PHL
Nonstop1h 15m
American Airlines
Wed 5/206:53 pm
PHL
-
DCA
Nonstop1h 26m
American Airlines
Deal found 4/15$239
This American Airlines deal was found by Cheapflights users on 4/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/281:39 pm
DCA
-
PHL
Nonstop1h 12m
American Airlines
Thu 6/47:34 pm
PHL
-
DCA
Nonstop1h 21m
American Airlines
Deal found 4/13$240
This American Airlines deal was found by Cheapflights users on 4/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/71:45 pm
DCA
-
PHL
Nonstop1h 15m
American Airlines
Sun 5/106:53 pm
PHL
-
DCA
Nonstop1h 26m
American Airlines
Deal found 4/13$241
This KAYAK deal was found by Cheapflights users on 4/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:30 am
DCA
-
PHL
1 stop9h 17m
JetBlue
Mon 5/46:00 am
PHL
-
DCA
1 stop7h 33m
JetBlue
Deal found 4/13$247
This American Airlines deal was found by Cheapflights users on 4/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/301:39 pm
DCA
-
PHL
Nonstop1h 09m
American Airlines
Sat 6/68:20 am
PHL
-
DCA
1 stop4h 39m
American Airlines
Deal found 4/15$251
This KAYAK deal was found by Cheapflights users on 4/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/261:25 pm
DCA
-
PHL
1 stop6h 35m
JetBlue
Mon 6/298:28 am
PHL
-
DCA
1 stop6h 17m
JetBlue
Deal found 4/14$260
This American Airlines deal was found by Cheapflights users on 4/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:42 am
DCA
-
SBY
1 stop6h 39m
American Airlines
Mon 5/186:26 pm
SBY
-
DCA
1 stop5h 33m
American Airlines
Deal found 4/13$538
This American Airlines deal was found by Cheapflights users on 4/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:22 pm
DCA
-
SBY
1 stop5h 32m
American Airlines
Mon 5/186:26 pm
SBY
-
DCA
1 stop5h 33m
American Airlines
Deal found 4/13$576
This American Airlines deal was found by Cheapflights users on 4/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:22 pm
DCA
-
SBY
1 stop5h 32m
American Airlines
Mon 4/206:26 pm
SBY
-
DCA
1 stop5h 33m
American Airlines
Deal found 4/14$643

Find flight deals from Reagan-National to Delaware

Keep the following information in mind while searching for Reagan-National to Delaware flight deals. Data was last updated April 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$219
(KAYAK)

One-way from

$109
(KAYAK)

Popular in

March

Cheapest in

December

Average price

$504
Provider with most accurate pricing for Washington, D.C. (WAS)-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Philadelphia flights.
Search Deals
From Washington, D.C. Reagan-National to Delaware
Search Deals
One-way flight from Washington, D.C. Reagan-National to Delaware
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($116 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Delaware 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 April 18, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Delaware that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Wed 5/13

1:45 pm-3:00 pm

Nonstop1h 15m

Philadelphia

Wed 5/20

3:20 pm-4:42 pm

Nonstop1h 22m

$239

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Wed 6/10

11:35 am-6:50 pm

1 stop7h 15m

Philadelphia

Thu 6/11

8:28 am-2:45 pm

1 stop6h 17m

$247

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Thu 5/28

1:10 pm-6:52 pm

1 stop5h 42m

Philadelphia

Thu 6/4

6:00 am-10:44 am

1 stop4h 44m

$249

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Sat 6/20

3:20 pm-7:56 pm

1 stop4h 36m

Philadelphia

Fri 7/3

12:07 pm-4:13 pm

1 stop4h 06m

$259

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Mon 5/11

4:59 pm-9:41 pm

1 stop4h 42m

Philadelphia

Mon 5/18

6:00 am-11:10 am

1 stop5h 10m

$302

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Sat 5/30

1:10 pm-6:52 pm

1 stop5h 42m

Philadelphia

Wed 6/3

9:21 am-3:43 pm

1 stop6h 22m

$304

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Fri 5/1

7:30 am-4:23 pm

1 stop8h 53m

Philadelphia

Sun 5/3

6:00 am-11:10 am

1 stop5h 10m

$305

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Thu 5/7

7:30 am-4:23 pm

1 stop8h 53m

Philadelphia

Sun 5/10

6:00 am-11:10 am

1 stop5h 10m

$306
Quickest round-trip

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Wed 7/15

1:32 pm-2:40 pm

Nonstop1h 08m

Philadelphia

Wed 7/22

3:29 pm-4:44 pm

Nonstop1h 15m

$309

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Wed 7/15

1:32 pm-2:40 pm

Nonstop1h 08m

Philadelphia

Thu 7/23

7:35 pm-8:51 pm

Nonstop1h 16m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

Showing 1-10 of 30 resultsSorted by cheapest first
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Best time to book a flight from Reagan-National to Delaware

Have a flexible travel schedule? Discover the best time to fly to Delaware from Reagan-National 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. Reagan-National Airport to Delaware
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Delaware. 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 Washington, D.C. Reagan-National Airport to Delaware?

    There are many flights that can get you from Washington, D.C. Reagan-National Airport to Delaware in 1h 15m. Fly via American Airlines or JetBlue to get the fastest option. The distance from Washington, D.C. Reagan-National Airport to Delaware is about 119 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Reagan-National to Delaware that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Delaware flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Delaware?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Delaware.

  • Can I find deals for business class flights from Reagan-National to Delaware?

    Yes. Cheapflights offers flight deals from Reagan-National to Delaware 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

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Alternative routes for Reagan-National to Delaware

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