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Delaware

$73+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ILG
May 4 — May 111
Mon 5/4
Mon 5/11
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 April 4, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/167:54 pm
BWI
-
PHL
1 stop24h 03m
Multiple Airlines
Mon 4/206:10 am
PHL
-
BWI
1 stop5h 38m
Multiple Airlines
Deal found 3/31$138
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 4/167:54 pm
BWI
-
PHL
1 stop4h 35m
Frontier
Mon 4/206:10 am
PHL
-
BWI
1 stop5h 38m
Frontier
Deal found 4/1$140
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 4/237:54 pm
BWI
-
PHL
1 stop12h 27m
Multiple Airlines
Thu 4/307:00 am
PHL
-
BWI
1 stop10h 11m
Multiple Airlines
Deal found 4/3$146
This Kiwi.com deal was found by Cheapflights users on 4/3. 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.
Fri 4/249:46 pm
BWI
-
PHL
1 stop17h 45m
Multiple Airlines
Mon 4/277:00 am
PHL
-
BWI
1 stop28h 22m
Multiple Airlines
Deal found 4/3$151
This Kiwi.com deal was found by Cheapflights users on 3/30. 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.
Fri 5/19:46 pm
BWI
-
PHL
1 stop12h 03m
Multiple Airlines
Sat 5/25:11 pm
PHL
-
BWI
1 stop16h 04m
Multiple Airlines
Deal found 3/30$156
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 4/237:54 pm
BWI
-
PHL
1 stop12h 27m
Multiple Airlines
Sun 4/267:00 am
PHL
-
BWI
1 stop25h 02m
Multiple Airlines
Deal found 4/1$157
This Kiwi.com deal was found by Cheapflights users on 4/3. 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.
Fri 4/179:50 pm
BWI
-
PHL
1 stop11h 59m
Multiple Airlines
Mon 4/206:10 am
PHL
-
BWI
1 stop5h 38m
Multiple Airlines
Deal found 4/3$161
This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Wed 4/295:49 pm
BWI
-
PHL
1 stop14h 21m
Multiple Airlines
Mon 5/44:08 pm
PHL
-
BWI
1 stop23h 20m
Multiple Airlines
Deal found 4/1$162
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 4/239:41 am
IAD
-
PHL
1 stop8h 08m
Multiple Airlines
Thu 4/307:00 am
PHL
-
IAD
1 stop11h 42m
Multiple Airlines
Deal found 4/3$163
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 4/279:21 pm
BWI
-
PHL
1 stop12h 28m
Multiple Airlines
Mon 5/44:08 pm
PHL
-
BWI
1 stop23h 20m
Multiple Airlines
Deal found 3/30$170
This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Wed 4/295:49 pm
BWI
-
PHL
1 stop14h 21m
Frontier
Mon 5/45:01 am
PHL
-
BWI
2 stops26h 42m
Frontier
Deal found 4/1$172
This Kiwi.com deal was found by Cheapflights users on 4/2. 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.
Fri 4/179:50 pm
BWI
-
PHL
1 stop11h 59m
Multiple Airlines
Tue 4/216:12 pm
PHL
-
BWI
1 stop28h 08m
Multiple Airlines
Deal found 4/2$173

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 April 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$138
(Kiwi.com)

One-way from

$73
(Kiwi.com)
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

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 April 4, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Delaware that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Fri 4/24

9:46 pm-3:31 pm

1 stop17h 45m

Philadelphia

Mon 4/27

7:00 am-11:22 am

1 stop28h 22m

$151

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Fri 5/1

9:46 pm-9:49 am

1 stop12h 03m

Philadelphia

Sat 5/2

5:11 pm-9:15 am

1 stop16h 04m

$156

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Mon 4/27

9:21 pm-9:49 am

1 stop12h 28m

Philadelphia

Mon 5/4

4:08 pm-3:28 pm

1 stop23h 20m

$170

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Sun 5/3

10:10 am-9:25 am

1 stop23h 15m

Philadelphia

Sun 5/10

8:44 pm-7:43 am

2 stops34h 59m

$190

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Fri 4/17

10:13 am-11:08 pm

1 stop12h 55m

Philadelphia

Sun 4/19

5:32 pm-8:43 am

1 stop15h 11m

$200

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Wed 4/8

8:39 pm-7:41 am

1 stop11h 02m

Philadelphia

Thu 4/9

11:14 am-9:03 pm

1 stop9h 49m

$204

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Thu 4/23

6:35 am-10:54 am

2 stops28h 19m

Philadelphia

Thu 4/30

7:00 am-10:20 pm

2 stops15h 20m

$220

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Tue 5/5

10:00 am-5:38 pm

1 stop7h 38m

Philadelphia

Wed 5/6

8:24 am-3:47 pm

1 stop7h 23m

$221

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Tue 5/12

3:35 pm-9:41 pm

1 stop6h 06m

Philadelphia

Wed 5/13

8:24 am-3:42 pm

1 stop7h 18m

$221

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Tue 5/26

7:45 am-12:44 am

2 stops16h 59m

Philadelphia

Sun 5/31

6:26 pm-2:18 pm

1 stop19h 52m

$221

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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 15m. There are 134 mi between Washington, D.C. and Delaware. This flight may include one or multiple stops.

  • 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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