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Delaware

$78+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ILG
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
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Cheap 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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$149
(Kiwi.com)

One-way from

$78
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$407
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. (WAS) to Delaware
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One-way flight from Washington, D.C. (WAS) to Delaware
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Highest demand for flights based on searches. 13% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/12. 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 11/118:40 amIAD - PHL
1 stop7h 10mFrontier
Wed 11/129:30 pmPHL - IAD
1 stop19h 04mFrontier
Deal found 10/12$149
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/124:52 pmBWI - PHL
1 stop15h 43mMultiple Airlines
Thu 11/1310:32 pmPHL - BWI
1 stop10h 02mMultiple Airlines
Deal found 10/14$151
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 11/1110:00 amBWI - PHL
1 stop5h 50mFrontier
Wed 11/129:30 pmPHL - BWI
1 stop10h 48mFrontier
Deal found 10/12$167
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/265:37 pmBWI - PHL
1 stop17h 01mMultiple Airlines
Mon 10/279:53 pmPHL - BWI
1 stop12h 27mMultiple Airlines
Deal found 10/13$169
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/254:22 pmIAD - PHL
1 stop7h 35mFrontier
Tue 10/289:30 pmPHL - IAD
1 stop22h 50mFrontier
Deal found 10/13$170
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:38 pmBWI - PHL
1 stop14h 42mMultiple Airlines
Thu 12/410:22 amPHL - BWI
1 stop21h 46mMultiple Airlines
Deal found 10/13$174
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 11/1110:00 amBWI - PHL
2 stops13h 26mMultiple Airlines
Wed 11/129:30 pmPHL - BWI
1 stop10h 48mMultiple Airlines
Deal found 10/12$175
This American Airlines deal was found by Cheapflights users on 10/13. 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 11/61:44 pmDCA - PHL
Nonstop1h 09mAmerican Airlines
Mon 11/107:50 pmPHL - DCA
Nonstop1h 08mAmerican Airlines
Deal found 10/13$179
This United Airlines deal was found by Cheapflights users on 10/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:20 pmIAD - PHL
Nonstop1h 10mUnited Airlines
Mon 12/296:00 amPHL - IAD
Nonstop1h 15mUnited Airlines
Deal found 10/14$179
This American Airlines deal was found by Cheapflights users on 10/13. 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 11/278:19 amDCA - PHL
Nonstop1h 05mAmerican Airlines
Thu 12/47:49 pmPHL - DCA
Nonstop1h 09mAmerican Airlines
Deal found 10/13$180
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 12/510:40 amBWI - PHL
1 stop13h 58mMultiple Airlines
Sun 12/710:22 amPHL - BWI
1 stop21h 46mMultiple Airlines
Deal found 10/12$181
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/128:40 amIAD - PHL
1 stop7h 10mFrontier
Thu 11/136:24 pmPHL - IAD
1 stop19h 54mFrontier
Deal found 10/14$181

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 October 14, 2025.
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

Wed 11/12

4:52 pm-8:35 am

1 stop15h 43m

Philadelphia

Thu 11/13

10:32 pm-8:34 am

1 stop10h 02m

$151

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Tue 11/11

10:00 am-3:50 pm

1 stop5h 50m

Philadelphia

Wed 11/12

9:30 pm-8:18 am

1 stop10h 48m

$167

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Thu 11/27

6:38 pm-9:20 am

1 stop14h 42m

Philadelphia

Thu 12/4

10:22 am-8:08 am

1 stop21h 46m

$174

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Tue 11/11

10:00 am-11:26 pm

2 stops13h 26m

Philadelphia

Wed 11/12

9:30 pm-8:18 am

1 stop10h 48m

$175

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Thu 11/6

1:44 pm-2:53 pm

Nonstop1h 09m

Philadelphia

Mon 11/10

7:50 pm-8:58 pm

Nonstop1h 08m

$179

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Sat 12/27

12:55 pm-2:07 pm

Nonstop1h 12m

Philadelphia

Fri 1/2

10:39 am-11:55 am

Nonstop1h 16m

$179

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Sat 12/27

10:20 pm-11:30 pm

Nonstop1h 10m

Philadelphia

Mon 12/29

6:00 am-7:15 am

Nonstop1h 15m

$179

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Thu 11/27

8:19 am-9:24 am

Nonstop1h 05m

Philadelphia

Thu 12/4

7:49 pm-8:58 pm

Nonstop1h 09m

$180

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Thu 11/27

6:38 pm-9:20 am

1 stop14h 42m

Philadelphia

Thu 12/4

9:09 pm-9:35 am

1 stop12h 26m

$188

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Wed 11/12

6:20 am-2:15 pm

1 stop7h 55m

Philadelphia

Thu 11/13

8:51 pm-10:38 am

1 stop13h 47m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/13

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 09m. There are 119 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 Frontier. According to our data, you can fly for as low as $89. Users have also found prices from $90 and $116 on Spirit Airlines and JetBlue, respectively.

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

    Most travelers choose Washington, D.C. Reagan-National - Philadelphia, Washington, D.C. Dulles Intl - 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

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