Delaware

$105+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ILG
may. 5 — may. 121
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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 abril 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$179
(American Airlines)

One-way from

$105
(Mytrip)

Popular in

August

Cheapest in

April

Average price

$179
Provider with most accurate pricing for Washington, D.C. (WAS)-Philadelphia flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Philadelphia flights.
From Washington, D.C. (WAS) to Delaware
One-way flight from Washington, D.C. (WAS) to Delaware
Highest demand for flights based on searches. 11% potential increase in price ($38 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in April 2025

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 abril 30, 2025.

This American Airlines deal was found by Cheapflights users on 4/29. 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.
sáb. 6/216:10 amDCA - PHL
Nonstop1h 10mAmerican Airlines
sáb. 6/287:48 pmPHL - DCA
Nonstop1h 21mAmerican Airlines
Deal found 4/29$179
This United Airlines deal was found by Cheapflights users on 4/28. 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.
sáb. 6/2112:55 pmIAD - PHL
Nonstop1h 14mUnited Airlines
sáb. 6/286:05 amPHL - IAD
Nonstop1h 10mUnited Airlines
Deal found 4/28$179
This Mytrip deal was found by Cheapflights users on 4/29. 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.
mar. 5/132:59 pmBWI - PHL
2 stops31h 37mSpirit Airlines
mar. 5/207:12 pmPHL - BWI
1 stop25h 17mSpirit Airlines
Deal found 4/29$195
This JetBlue deal was found by Cheapflights users on 4/29. 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.
mar. 5/135:40 pmDCA - PHL
1 stop4h 41mJetBlue
mar. 5/2010:16 amPHL - DCA
1 stop3h 58mJetBlue
Deal found 4/29$258
This American Airlines deal was found by Cheapflights users on 4/29. 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.
sáb. 6/218:14 pmIAD - PHL
1 stop3h 54mAmerican Airlines
sáb. 6/286:08 amPHL - IAD
1 stop4h 40mAmerican Airlines
Deal found 4/29$289
This eDestinos deal was found by Cheapflights users on 4/29. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/134:24 pmIAD - PHL
1 stop18h 51mFrontier
vie. 6/206:54 pmPHL - IAD
1 stop20h 22mFrontier
Deal found 4/29$304
This Mytrip deal was found by Cheapflights users on 4/29. 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.
sáb. 6/219:42 pmIAD - PHL
2 stops34h 06mMultiple Airlines
sáb. 6/2812:00 pmPHL - IAD
1 stop9h 37mMultiple Airlines
Deal found 4/29$392
This Mytrip deal was found by Cheapflights users on 4/29. 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.
dom. 5/49:46 pmBWI - PHL
2 stops23h 26mMultiple Airlines
dom. 5/117:06 amPHL - BWI
3 stops28h 40mMultiple Airlines
Deal found 4/29$402
This American Airlines deal was found by Cheapflights users on 4/28. 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.
mié. 6/111:08 pmIAD - SBY
1 stop7h 18mAmerican Airlines
mar. 6/175:00 amSBY - IAD
1 stop3h 38mAmerican Airlines
Deal found 4/28$440
This American Airlines deal was found by Cheapflights users on 4/29. 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.
mar. 5/271:44 pmDCA - SBY
1 stop6h 49mAmerican Airlines
mar. 6/35:03 amSBY - DCA
1 stop4h 25mAmerican Airlines
Deal found 4/29$460
This United Airlines deal was found by Cheapflights users on 4/28. 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.
sáb. 6/285:20 pmBWI - PHL
1 stop17h 27mUnited Airlines
vie. 7/45:11 pmPHL - BWI
1 stop16h 52mUnited Airlines
Deal found 4/28$581
This KAYAK deal was found by Cheapflights users on 4/29. 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.
lun. 5/59:15 pmBWI - PHL
1 stop16h 25mSouthwest
jue. 5/811:50 amPHL - BWI
1 stop10h 50mSouthwest
Deal found 4/29$772

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 abril 30, 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

lun. 5/26

10:15 pm-11:31 pm

Nonstop1h 16m

Philadelphia

lun. 6/2

6:00 am-7:00 am

Nonstop1h 00m

$179

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

sáb. 6/21

12:55 pm-2:09 pm

Nonstop1h 14m

Philadelphia

sáb. 6/28

6:05 am-7:15 am

Nonstop1h 10m

$179

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

mar. 5/13

2:59 pm-10:36 pm

2 stops31h 37m

Philadelphia

mar. 5/20

7:12 pm-8:29 pm

1 stop25h 17m

$195

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

sáb. 6/21

8:14 pm-12:08 am

1 stop3h 54m

Philadelphia

sáb. 6/28

6:08 am-10:48 am

1 stop4h 40m

$289

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

vie. 6/13

4:24 pm-11:15 am

1 stop18h 51m

Philadelphia

vie. 6/20

6:54 pm-3:16 pm

1 stop20h 22m

$304

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

mié. 5/14

3:15 pm-10:21 pm

1 stop7h 06m

Philadelphia

jue. 5/15

6:00 am-1:14 pm

1 stop7h 14m

$339

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

sáb. 6/21

9:42 pm-7:48 am

2 stops34h 06m

Philadelphia

sáb. 6/28

12:00 pm-9:37 pm

1 stop9h 37m

$392

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

dom. 5/4

9:46 pm-9:12 pm

2 stops23h 26m

Philadelphia

dom. 5/11

7:06 am-11:46 am

3 stops28h 40m

$402

Washington, D.C.Salisbury

IAD - SBY

IADSBY

Washington, D.C. Dulles Intl

mié. 6/11

1:08 pm-8:26 pm

1 stop7h 18m

Salisbury-Ocean City

mar. 6/17

5:00 am-8:38 am

1 stop3h 38m

$440

Washington, D.C.Salisbury

DCA - SBY

DCASBY

Washington, D.C. Reagan-National

mar. 5/27

1:44 pm-8:33 pm

1 stop6h 49m

Salisbury-Ocean City

mar. 6/3

5:03 am-9:28 am

1 stop4h 25m

$460

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 29 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 abril 30, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Delaware, such as Delta, Qatar Airways 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.
8.0
Very good

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good
8.0
Very good

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 Spirit Airlines. According to our data, you can fly for as low as $105. Users have also found prices from $111 and $188 on JetBlue and American Airlines, respectively.

  • What are the most popular routes 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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