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$116+ 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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — ILG
Oct 23 — Oct 301
Thu 10/23
Thu 10/30
1 adult, Economy
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Cheap 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 September 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$178
(American Airlines)

One-way from

$116
(JetBlue)

Popular in

June

Cheapest in

April

Average price

$249
Provider with most accurate pricing for Washington, D.C. (WAS)-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Philadelphia flights.
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From Washington, D.C. Reagan-National to Delaware
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One-way flight from Washington, D.C. Reagan-National to Delaware
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Highest demand for flights based on searches. 15% potential increase in price ($60 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 23, 2025.

This American Airlines deal was found by Cheapflights users on 9/21. 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 11/51:44 pmDCA - PHL
Nonstop1h 09mAmerican Airlines
Wed 11/122:54 pmPHL - DCA
Nonstop1h 02mAmerican Airlines
Deal found 9/21$178
This American Airlines deal was found by Cheapflights users on 9/22. 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 10/2212:54 pmDCA - PHL
Nonstop1h 05mAmerican Airlines
Wed 10/294:35 pmPHL - DCA
Nonstop1h 04mAmerican Airlines
Deal found 9/22$179
This American Airlines deal was found by Cheapflights users on 9/20. 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 10/44:40 pmDCA - PHL
Nonstop1h 07mAmerican Airlines
Tue 10/78:20 amPHL - DCA
Nonstop1h 09mAmerican Airlines
Deal found 9/20$189
This American Airlines deal was found by Cheapflights users on 9/22. 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 10/34:40 pmDCA - PHL
Nonstop1h 07mAmerican Airlines
Sun 10/59:34 amPHL - DCA
Nonstop1h 15mAmerican Airlines
Deal found 9/22$209
This American Airlines deal was found by Cheapflights users on 9/22. 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 10/245:00 amDCA - PHL
1 stop4h 30mAmerican Airlines
Sun 10/268:20 amPHL - DCA
Nonstop1h 09mAmerican Airlines
Deal found 9/22$223
This JetBlue deal was found by Cheapflights users on 9/21. 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.
Wed 11/53:50 pmDCA - PHL
1 stop7h 08mJetBlue
Wed 11/126:00 amPHL - DCA
1 stop7h 53mJetBlue
Deal found 9/21$231
This JetBlue deal was found by Cheapflights users on 9/20. 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.
Sat 10/410:41 amDCA - PHL
1 stop8h 19mJetBlue
Tue 10/73:31 pmPHL - DCA
1 stop5h 28mJetBlue
Deal found 9/20$253
This Expedia deal was found by Cheapflights users on 9/22. 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.
Mon 10/202:59 pmDCA - PHL
1 stop6h 56mJetBlue
Mon 10/277:00 amPHL - DCA
1 stop11h 59mJetBlue
Deal found 9/22$263
This JetBlue deal was found by Cheapflights users on 9/22. 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.
Wed 10/159:59 amDCA - PHL
1 stop7h 49mJetBlue
Mon 10/274:52 pmPHL - DCA
1 stop4h 11mJetBlue
Deal found 9/22$282
This American Airlines deal was found by Cheapflights users on 9/22. 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.
Tue 10/73:25 pmDCA - SBY
1 stop5h 40mAmerican Airlines
Sat 10/115:19 amSBY - DCA
1 stop5h 40mAmerican Airlines
Deal found 9/22$460
This American Airlines deal was found by Cheapflights users on 9/21. 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 9/263:28 pmDCA - SBY
1 stop5h 37mAmerican Airlines
Sat 9/274:07 pmSBY - DCA
1 stop6h 57mAmerican Airlines
Deal found 9/21$508
This American Airlines deal was found by Cheapflights users on 9/22. 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 9/264:40 pmDCA - SBY
1 stop5h 31mAmerican Airlines
Sun 9/285:00 amSBY - DCA
1 stop5h 59mAmerican Airlines
Deal found 9/22$556

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 September 23, 2025.
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

Reagan-National

Fly to

Delaware

Route

Depart

Return

Price

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Tue 10/21

6:10 am-7:21 am

Nonstop1h 11m

Philadelphia

Tue 10/28

6:41 pm-7:55 pm

Nonstop1h 14m

$179

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Wed 11/12

1:44 pm-2:53 pm

Nonstop1h 09m

Philadelphia

Wed 11/19

2:54 pm-3:56 pm

Nonstop1h 02m

$179

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Wed 10/22

4:38 pm-5:43 pm

Nonstop1h 05m

Philadelphia

Wed 10/29

4:35 pm-5:39 pm

Nonstop1h 04m

$179

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Wed 11/5

4:51 pm-5:59 pm

Nonstop1h 08m

Philadelphia

Wed 11/12

7:50 pm-8:58 pm

Nonstop1h 08m

$179

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Thu 10/16

12:19 pm-1:25 pm

Nonstop1h 06m

Philadelphia

Sun 10/19

6:44 pm-7:58 pm

Nonstop1h 14m

$179

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Sat 10/4

4:40 pm-5:47 pm

Nonstop1h 07m

Philadelphia

Tue 10/7

8:20 am-9:29 am

Nonstop1h 09m

$189

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Thu 11/27

11:30 am-12:55 pm

1 stop25h 25m

Philadelphia

Fri 11/28

3:05 pm-4:07 pm

Nonstop1h 02m

$223

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Wed 11/12

3:31 pm-10:55 pm

1 stop7h 24m

Philadelphia

Wed 11/19

9:22 am-5:00 pm

1 stop7h 38m

$231

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Wed 11/5

3:50 pm-10:58 pm

1 stop7h 08m

Philadelphia

Wed 11/12

6:00 am-1:53 pm

1 stop7h 53m

$231

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Tue 10/21

8:00 am-2:36 pm

1 stop6h 36m

Philadelphia

Tue 10/28

6:00 am-10:00 am

1 stop4h 00m

$231

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/21

Showing 1-10 of 22 results
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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 11m. Fly via American Airlines to get the fastest option. The distance from Washington, D.C. Reagan-National Airport to Delaware is about 119 mi. All flights are typically nonstop.

  • 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

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