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Delaware

$74+ Cheap flights from Washington, D.C. (WAS) 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ILG
Mar 11 — Mar 181
Wed 3/11
Wed 3/18
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Delaware

Cheapest flights from Washington, D.C. to Delaware
Explore the most affordable flight options available from Washington, D.C. to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 9, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:43 pm
BWI
-
PHL
1 stop25h 27m
Frontier
Wed 4/295:28 pm
PHL
-
BWI
1 stop15h 15m
Frontier
Deal found 2/6$128
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:43 pm
BWI
-
PHL
1 stop25h 27m
Frontier
Wed 4/295:28 pm
PHL
-
BWI
1 stop15h 15m
Frontier
Deal found 2/6$134
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:43 pm
BWI
-
PHL
1 stop25h 27m
Frontier
Mon 5/410:38 pm
PHL
-
BWI
1 stop18h 02m
Frontier
Deal found 2/6$136
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:43 pm
BWI
-
PHL
1 stop25h 27m
Frontier
Mon 5/410:38 pm
PHL
-
BWI
1 stop18h 02m
Frontier
Deal found 2/6$145
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:43 pm
BWI
-
PHL
1 stop11h 01m
Multiple Airlines
Tue 5/56:00 am
PHL
-
BWI
1 stop10h 40m
Multiple Airlines
Deal found 2/6$151
This JetBlue deal was found by Cheapflights users on 2/6. 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 4/154:59 pm
DCA
-
PHL
1 stop4h 41m
JetBlue
Wed 4/296:00 am
PHL
-
DCA
1 stop5h 10m
JetBlue
Deal found 2/6$151
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:43 pm
BWI
-
PHL
1 stop11h 01m
Multiple Airlines
Sat 5/29:17 am
PHL
-
BWI
1 stop7h 42m
Multiple Airlines
Deal found 2/6$153
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/511:22 am
IAD
-
PHL
1 stop6h 49m
Frontier
Thu 3/129:17 am
PHL
-
IAD
1 stop15h 14m
Frontier
Deal found 2/5$154
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/243:19 pm
BWI
-
PHL
1 stop9h 33m
Frontier
Tue 3/315:18 pm
PHL
-
BWI
1 stop16h 55m
Frontier
Deal found 2/7$155
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/219:41 am
BWI
-
PHL
1 stop13h 29m
Multiple Airlines
Tue 5/59:17 am
PHL
-
BWI
1 stop7h 42m
Multiple Airlines
Deal found 2/6$156
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/199:43 pm
BWI
-
PHL
1 stop11h 01m
Multiple Airlines
Tue 5/56:00 am
PHL
-
BWI
1 stop10h 40m
Multiple Airlines
Deal found 2/6$160
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:00 pm
BWI
-
PHL
1 stop6h 54m
Frontier
Sun 5/37:10 pm
PHL
-
BWI
1 stop13h 02m
Frontier
Deal found 2/6$161

Find flight deals from Washington, D.C. to Delaware

Keep the following information in mind while searching for Washington, D.C. to Delaware flight deals. Data was last updated February 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$128
(Kiwi.com)

One-way from

$74
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$427
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. (WAS) to Delaware
Search Deals
One-way flight from Washington, D.C. (WAS) to Delaware
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 February 9, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Delaware that are best for you.

Fly from

Washington, D.C.

Fly to

Delaware

Route

Depart

Return

Price

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Mon 4/20

9:43 pm-11:10 pm

1 stop25h 27m

Philadelphia

Wed 4/29

5:28 pm-8:43 am

1 stop15h 15m

$128

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Thu 4/16

9:43 pm-11:10 pm

1 stop25h 27m

Philadelphia

Wed 4/29

5:28 pm-8:43 am

1 stop15h 15m

$134

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Tue 4/21

5:35 pm-10:38 am

1 stop17h 03m

Philadelphia

Wed 4/29

5:28 pm-8:43 am

1 stop15h 15m

$136

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Wed 4/15

4:59 pm-9:40 pm

1 stop4h 41m

Philadelphia

Wed 4/29

6:00 am-11:10 am

1 stop5h 10m

$151

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Thu 4/16

9:43 pm-8:44 am

1 stop11h 01m

Philadelphia

Fri 5/1

5:05 am-4:13 pm

1 stop11h 08m

$153

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Thu 3/5

11:22 am-6:11 pm

1 stop6h 49m

Philadelphia

Thu 3/12

9:17 am-12:31 am

1 stop15h 14m

$154

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Tue 3/24

3:19 pm-12:52 am

1 stop9h 33m

Philadelphia

Tue 3/31

5:18 pm-10:13 am

1 stop16h 55m

$155

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Tue 4/21

6:00 pm-12:54 am

1 stop6h 54m

Philadelphia

Fri 5/1

5:05 am-4:13 pm

1 stop11h 08m

$161

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Sun 4/19

9:43 pm-8:44 am

1 stop11h 01m

Philadelphia

Sat 5/2

9:17 am-4:59 pm

1 stop7h 42m

$162

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Fri 3/6

4:59 pm-10:36 pm

1 stop5h 37m

Philadelphia

Mon 3/9

3:02 pm-9:00 pm

1 stop5h 58m

$164

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/6

Showing 1-10 of 56 results
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Best time to book a flight from Washington, D.C. to Delaware

Have a flexible travel schedule? Discover the best time to fly to Delaware 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 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 Washington, D.C. 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. to Delaware?

    Departing from Washington, D.C. to Delaware will take you 1h 19m. There are 134 mi between Washington, D.C. and Delaware. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Washington, D.C. to Delaware one-way?

    For one-way options, check prices for Royal Jordanian. According to our data, you can fly for as low as $322. Users have also found prices from $347 and $365 on SAUDIA and Etihad Airways, respectively.

  • What are the most popular routes from Washington, D.C. to Delaware?

    Most travelers choose Washington, D.C. Dulles Intl - Philadelphia, Washington, D.C. Reagan-National - Philadelphia or Baltimore/Washington - Philadelphia when deciding on the best route from Washington, D.C. to Delaware.

  • Can I find deals for flights from Washington, D.C. to Delaware that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Delaware flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Delaware?

    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 Delaware.

  • Can I find deals for business class flights from Washington, D.C. to Delaware?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Delaware

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