$120+ Cheap flights from Dulles Intl (IAD) 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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ILG
Feb 16 — Feb 231
1 adult, Economy
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Find cheap flights from Dulles Intl to Delaware with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Dulles Intl to Delaware
Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Delaware (USDE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 11, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $179 (United Airlines) |
One-way from | $120 (United Airlines) |
Popular in | March |
Cheapest in | December |
Average price | $276 |
Find flight deals from Dulles Intl to Delaware
Cheapest flights from Dulles Intl to DelawareExplore the most affordable flight options available from Dulles Intl to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2025.
Explore the most affordable flight options available from Dulles Intl to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2025.
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/138:40 amIAD - PHL
Nonstop1h 11mUnited Airlines
Sat 3/156:30 amPHL - IAD
Nonstop1h 05mUnited Airlines
Deal found 2/10![United Airlines logo]()
$179
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 3/196:27 amIAD - PHL
1 stop6h 25mAmerican Airlines
Sat 3/2210:30 amPHL - IAD
1 stop6h 27mAmerican Airlines
Deal found 2/10![American Airlines logo]()
$289
This Mytrip deal was found by Cheapflights users on 2/10. 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.
Mon 4/75:40 pmIAD - PHL
3 stops22h 23mMultiple Airlines
Wed 4/97:25 pmPHL - IAD
3 stops20h 50mMultiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$303
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Thu 3/69:20 amIAD - SBY
1 stop6h 45mAmerican Airlines
Mon 3/1012:14 pmSBY - IAD
1 stop4h 43mAmerican Airlines
Deal found 2/10![American Airlines logo]()
$440
Find flights from Dulles Intl to Delaware within your budget
Customize your flight search to find flights from Dulles Intl 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 February 11, 2025.
Fly from
Any airport
Fly to
Any airport
Route
Depart
Return
Price
Washington, D.C.Philadelphia
IAD - PHL
IADPHL
Washington, D.C. Dulles Intl
Thu 3/13
8:40 am-9:51 am
Nonstop1h 11m
Philadelphia
Sat 3/15
6:30 am-7:35 am
Nonstop1h 05m
$179
Washington, D.C.Philadelphia
IAD - PHL
IADPHL
Washington, D.C. Dulles Intl
Wed 3/19
6:27 am-12:52 pm
1 stop6h 25m
Philadelphia
Sat 3/22
10:30 am-4:57 pm
1 stop6h 27m
$289
Washington, D.C.Philadelphia
IAD - PHL
IADPHL
Washington, D.C. Dulles Intl
Mon 4/7
5:40 pm-4:03 pm
3 stops22h 23m
Philadelphia
Wed 4/9
7:25 pm-4:15 pm
3 stops20h 50m
$303
Washington, D.C.Salisbury
IAD - SBY
IADSBY
Washington, D.C. Dulles Intl
Thu 3/6
9:20 am-4:05 pm
1 stop6h 45m
Salisbury-Ocean City
Mon 3/10
12:14 pm-4:57 pm
1 stop4h 43m
$440
Washington, D.C.Philadelphia
IAD - PHL
IADPHL
Washington, D.C. Dulles Intl
Sat 2/22
12:55 pm-2:03 pm
Nonstop1h 08m
$120
Washington, D.C.Philadelphia
IAD - PHL
IADPHL
Washington, D.C. Dulles Intl
Wed 5/7
5:00 am-8:57 am
1 stop3h 57m
$213
Best time to book a flight from Dulles Intl to Delaware
Have a flexible travel schedule? Discover the best time to fly to Delaware from Dulles Intl 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.
Travel insights for flights from Dulles Intl to Delaware
Get recent, data-driven insights about flights from Dulles Intl to Delaware including ideal travel times, pricing trends, and more.
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 February 11, 2025.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Washington, D.C. to Delaware to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Comfort
7.3
Overall
7.4
Crew
8.1
Food
6.7
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDeb,Jan 2025
MKE - ORD
Boarding
7.7
Comfort
7.3
Overall
7.4
Crew
8.1
Food
6.7
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDeb,Jan 2025
MKE - ORD
Boarding
7.7
Comfort
7.3
Overall
7.4
Crew
8.1
Food
6.7
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDeb,Jan 2025
MKE - ORD