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Delaware

$81+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ILG
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 April 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$179
(American Airlines)

One-way from

$111
(JetBlue)

Popular in

August

Cheapest in

April

Average price

$179
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. 10% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 24, 2025.

This American Airlines deal was found by Cheapflights users on 4/21. 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.
Tue 5/203:54 pmDCA - PHL
Nonstop1h 05mAmerican Airlines
Tue 5/276:00 amPHL - DCA
Nonstop1h 00mAmerican Airlines
Deal found 4/21$161
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Wed 5/218:35 amIAD - PHL
Nonstop1h 10mUnited Airlines
Wed 5/287:59 pmPHL - IAD
Nonstop1h 10mUnited Airlines
Deal found 4/23$179
This Mytrip deal was found by Cheapflights users on 4/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/295:55 amBWI - PHL
1 stop5h 03mSpirit Airlines
Tue 4/298:41 pmPHL - BWI
1 stop21h 51mSpirit Airlines
Deal found 4/22$187
This JetBlue deal was found by Cheapflights users on 4/22. 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 6/43:15 pmDCA - PHL
1 stop7h 14mJetBlue
Wed 6/1110:42 amPHL - DCA
1 stop6h 10mJetBlue
Deal found 4/22$201
This Trip.com deal was found by Cheapflights users on 4/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2412:14 pmBWI - PHL
1 stop12h 42mFrontier
Sat 5/318:00 amPHL - BWI
1 stop8h 53mFrontier
Deal found 4/23$220
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/235:02 amIAD - PHL
1 stop3h 55mAmerican Airlines
Fri 5/303:38 pmPHL - IAD
1 stop3h 54mAmerican Airlines
Deal found 4/23$289
This Mytrip deal was found by Cheapflights users on 4/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/111:54 amIAD - PHL
1 stop27h 08mMultiple Airlines
Fri 6/64:00 pmPHL - IAD
1 stop22h 32mMultiple Airlines
Deal found 4/23$293
This American Airlines deal was found by Cheapflights users on 4/22. 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 6/115:41 pmIAD - SBY
1 stop4h 17mAmerican Airlines
Tue 6/175:00 amSBY - IAD
1 stop3h 38mAmerican Airlines
Deal found 4/22$440
This American Airlines deal was found by Cheapflights users on 4/22. 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 4/296:30 amDCA - SBY
1 stop5h 02mAmerican Airlines
Tue 5/64:36 pmSBY - DCA
1 stop5h 44mAmerican Airlines
Deal found 4/22$460
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Wed 5/2810:05 amBWI - PHL
1 stop13h 19mUnited Airlines
Thu 5/296:25 amPHL - BWI
1 stop11h 12mUnited Airlines
Deal found 4/23$546
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Wed 5/147:25 amDCA - PHL
2 stops16h 10mUnited Airlines
Thu 5/156:30 amPHL - DCA
1 stop6h 26mUnited Airlines
Deal found 4/23$548
This KAYAK deal was found by Cheapflights users on 4/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/297:30 amBWI - PHL
1 stop5h 25mAmerican Airlines
Thu 5/15:00 amPHL - BWI
1 stop5h 19mAmerican Airlines
Deal found 4/22$727

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 24, 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

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Tue 5/20

3:54 pm-4:59 pm

Nonstop1h 05m

Philadelphia

Tue 5/27

6:00 am-7:00 am

Nonstop1h 00m

$161

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Wed 5/21

8:35 am-9:45 am

Nonstop1h 10m

Philadelphia

Wed 5/28

7:59 pm-9:09 pm

Nonstop1h 10m

$179

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Wed 6/4

3:15 pm-10:29 pm

1 stop7h 14m

Philadelphia

Wed 6/11

10:42 am-4:52 pm

1 stop6h 10m

$201

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Tue 5/13

6:43 pm-7:48 am

1 stop13h 05m

Philadelphia

Fri 5/16

7:06 am-11:46 am

3 stops28h 40m

$217

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Sat 5/24

12:14 pm-12:56 am

1 stop12h 42m

Philadelphia

Sat 5/31

8:00 am-4:53 pm

1 stop8h 53m

$220

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Fri 5/23

5:02 am-8:57 am

1 stop3h 55m

Philadelphia

Fri 5/30

3:38 pm-7:32 pm

1 stop3h 54m

$289

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Sun 6/1

11:54 am-3:02 pm

1 stop27h 08m

Philadelphia

Fri 6/6

4:00 pm-2:32 pm

1 stop22h 32m

$293

Washington, D.C.Salisbury

IAD - SBY

IADSBY

Washington, D.C. Dulles Intl

Wed 6/11

5:41 pm-9:58 pm

1 stop4h 17m

Salisbury-Ocean City

Tue 6/17

5:00 am-8:38 am

1 stop3h 38m

$440

Washington, D.C.Salisbury

DCA - SBY

DCASBY

Washington, D.C. Reagan-National

Tue 4/29

6:30 am-11:32 am

1 stop5h 02m

Salisbury-Ocean City

Tue 5/6

4:36 pm-10:20 pm

1 stop5h 44m

$460

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Wed 5/28

10:05 am-11:24 pm

1 stop13h 19m

Philadelphia

Thu 5/29

6:25 am-5:37 pm

1 stop11h 12m

$546

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 22 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

Rainfall in Delaware by month

Plan your trip to Delaware by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Delaware ranges from 2.9 - 4.3 inches per month. July is typically the wettest month, when rainfall can reach 4.3 in. February is typically the driest time to visit Delaware when rainfall is around 2.9 in.

Temperature in Delaware by month

Plan your trip to Delaware by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Delaware, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Delaware

Get insights into the airlines that provide service to Delaware. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Delaware. Reviews last updated April 24, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Delaware, such as Southwest, Delta and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Crew

8.6

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Crew

8.6

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,920 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Crew

8.6

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,685 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Crew

8.6

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
JetBlue
7.3
Good
2,924 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Crew

8.6

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Crew

8.6

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

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.

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

    For one-way options, check prices for JetBlue. According to our data, you can fly for as low as $111. Users have also found prices from $118 and $171 on Spirit Airlines and Delta, 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

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