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Delaware

$96+ 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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ILG
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$179
(American Airlines)

One-way from

$96
(Trip.com)

Popular in

August

Cheapest in

April

Average price

$538
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. 22% potential increase in price ($99 potential increase over avg. RT price).
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Cheapest flight prices on average. 15% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/106:10 amDCA - PHL
Nonstop1h 11mAmerican Airlines
Thu 7/175:53 amPHL - DCA
Nonstop1h 06mAmerican Airlines
Deal found 6/12$179
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 7/38:45 amIAD - PHL
Nonstop1h 10mUnited Airlines
Sun 7/66:05 amPHL - IAD
Nonstop1h 10mUnited Airlines
Deal found 6/10$179
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Thu 6/267:55 amBWI - PHL
1 stop9h 22mSpirit Airlines
Mon 6/3012:19 pmPHL - BWI
1 stop20h 02mSpirit Airlines
Deal found 6/11$191
This JetBlue deal was found by Cheapflights users on 6/9. 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.
Thu 9/251:35 pmDCA - PHL
1 stop4h 10mJetBlue
Sun 9/287:00 amPHL - DCA
1 stop4h 08mJetBlue
Deal found 6/9$201
This Frontier deal was found by Cheapflights users on 6/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2111:53 amBWI - PHL
1 stop12h 50mFrontier
Wed 9/248:00 amPHL - BWI
1 stop7h 30mFrontier
Deal found 6/11$239
This Frontier deal was found by Cheapflights users on 6/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/186:00 amIAD - PHL
1 stop5h 02mFrontier
Wed 9/246:10 pmPHL - IAD
1 stop5h 35mFrontier
Deal found 6/11$251
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 9/207:17 pmIAD - PHL
1 stop4h 00mAmerican Airlines
Sat 9/276:02 amPHL - IAD
1 stop4h 05mAmerican Airlines
Deal found 6/11$288
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/246:50 pmDCA - PHL
1 stop4h 35mSouthwest
Thu 6/266:00 pmPHL - DCA
1 stop4h 45mSouthwest
Deal found 6/10$325
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Thu 7/311:58 amIAD - PHL
2 stops21h 49mMultiple Airlines
Mon 7/712:06 pmPHL - IAD
1 stop24h 07mMultiple Airlines
Deal found 6/10$372
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/236:00 amIAD - PHL
1 stop8h 59mDelta
Fri 10/247:20 pmPHL - IAD
1 stop18h 37mDelta
Deal found 6/10$402
This American Airlines deal was found by Cheapflights users on 6/11. 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 7/165:14 pmDCA - SBY
1 stop4h 57mAmerican Airlines
Wed 7/235:25 pmSBY - DCA
1 stop4h 34mAmerican Airlines
Deal found 6/11$440
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Sat 7/51:19 pmIAD - SBY
1 stop7h 11mAmerican Airlines
Sat 7/125:00 amSBY - IAD
1 stop5h 37mAmerican Airlines
Deal found 6/10$442

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 June 12, 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

Thu 7/10

6:10 am-7:21 am

Nonstop1h 11m

Philadelphia

Thu 7/17

5:53 am-6:59 am

Nonstop1h 06m

$179

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Thu 7/3

8:45 am-9:55 am

Nonstop1h 10m

Philadelphia

Sun 7/6

6:05 am-7:15 am

Nonstop1h 10m

$179

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Thu 6/26

7:55 am-5:17 pm

1 stop9h 22m

Philadelphia

Mon 6/30

12:19 pm-8:21 am

1 stop20h 02m

$191

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Wed 7/9

11:45 am-4:45 pm

1 stop5h 00m

Philadelphia

Wed 7/16

11:42 am-8:59 pm

1 stop9h 17m

$201

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Fri 8/1

4:24 pm-12:35 am

1 stop8h 11m

Philadelphia

Mon 8/4

5:25 am-5:17 pm

1 stop11h 52m

$251

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Fri 8/22

11:22 am-3:51 pm

1 stop4h 29m

Philadelphia

Sat 8/23

6:25 pm-12:08 am

1 stop5h 43m

$253

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Mon 6/30

6:55 am-10:38 am

1 stop3h 43m

Philadelphia

Mon 9/1

8:30 am-12:37 pm

1 stop4h 07m

$289

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Tue 6/24

6:50 pm-11:25 pm

1 stop4h 35m

Philadelphia

Thu 6/26

6:00 pm-10:45 pm

1 stop4h 45m

$325

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Thu 7/3

11:58 am-9:47 am

2 stops21h 49m

Philadelphia

Mon 7/7

12:06 pm-12:13 pm

1 stop24h 07m

$372

Washington, D.C.Salisbury

DCA - SBY

DCASBY

Washington, D.C. Reagan-National

Wed 7/16

5:14 pm-10:11 pm

1 stop4h 57m

Salisbury-Ocean City

Wed 7/23

5:25 pm-9:59 pm

1 stop4h 34m

$440

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 34 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 June 12, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Delaware, such as Alaska Airlines, Southwest and Delta. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Qatar Airways
7.4
Good
3,584 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $96. Users have also found prices from $111 and $158 on JetBlue and Frontier, respectively.

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

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