Find flights
Deals
When to book
FAQs

Cheap flights from the United Kingdom to Delaware from £216

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 19/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ILG
20 2월 — 27 2월1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Delaware

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Delaware
Explore the most affordable flight options available from United Kingdom to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 1월 2026.

목 12/206:50
LHR
-
PHL
2 stops13h 00m
Multiple Airlines
목 19/212:55
PHL
-
LHR
2 stops14h 35m
Multiple Airlines
Deal found 20/1£433
토 14/209:20
LHR
-
PHL
1 stop17h 47m
JetBlue
금 20/206:00
PHL
-
LHR
1 stop19h 55m
JetBlue
Deal found 20/1£433
화 29/907:30
LHR
-
PHL
1 stop13h 30m
United Airlines
수 14/1010:10
PHL
-
LHR
2 stops14h 45m
United Airlines
Deal found 20/1£434
금 6/309:20
LHR
-
PHL
1 stop18h 16m
JetBlue
목 12/320:20
PHL
-
LHR
1 stop30h 35m
JetBlue
Deal found 19/1£437
월 2/214:00
LGW
-
PHL
2 stops30h 37m
Multiple Airlines
월 9/205:30
PHL
-
LGW
1 stop23h 30m
Multiple Airlines
Deal found 20/1£438
일 22/214:10
LHR
-
PHL
1 stop30h 10m
Finnair
화 10/313:46
PHL
-
LHR
1 stop13h 14m
Finnair
Deal found 20/1£439
일 22/219:15
LHR
-
PHL
1 stop24h 50m
British Airways
수 11/316:43
PHL
-
LHR
1 stop10h 17m
British Airways
Deal found 20/1£439
월 23/214:00
LGW
-
PHL
2 stops25h 27m
Multiple Airlines
월 9/313:19
PHL
-
LGW
1 stop16h 41m
Multiple Airlines
Deal found 20/1£441
수 29/410:50
LHR
-
PHL
2 stops16h 53m
Multiple Airlines
월 4/515:25
PHL
-
LHR
1 stop13h 35m
Multiple Airlines
Deal found 20/1£442
화 3/306:50
LCY
-
PHL
1 stop12h 05m
British Airways
화 10/321:50
PHL
-
LCY
1 stop19h 40m
British Airways
Deal found 19/1£442
월 23/206:50
LCY
-
PHL
1 stop12h 05m
British Airways
월 9/321:50
PHL
-
LCY
1 stop19h 40m
British Airways
Deal found 20/1£443
화 3/311:45
LGW
-
PHL
2 stops28h 57m
British Airways
화 10/319:45
PHL
-
LGW
1 stop19h 15m
British Airways
Deal found 19/1£444

Find flight deals from United Kingdom to Delaware

Keep the following information in mind while searching for United Kingdom to Delaware flight deals. Data was last updated 21 1월 2026.

Round-trip from

£433

One-way from

£216

Popular in

December

Cheapest in

January

Average price

£476
Finnair
  • Finnair
  • 29/4-12/5
  • 3 total stops
  • 24h 14m total
  • United Kingdom to Delaware
Search Deals
19/2
  • 19/2
  • 1 total stop
  • 14h 16m total
  • United Kingdom to Delaware
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£13 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom 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 858,174 searches. Data last updated 21 1월 2026.
Use the filters below to find and compare flights from the United Kingdom to Delaware that are best for you.

Fly from

United Kingdom

Fly to

Delaware

Route

Depart

Return

Price

LondonPhiladelphia

LCY - PHL

LCYPHL

London City

수 4/3

06:50-16:00

1 stop14h 10m

Philadelphia

화 10/3

21:50-21:30

1 stop19h 40m

£442

LondonPhiladelphia

LCY - PHL

LCYPHL

London City

화 3/3

06:50-13:55

1 stop12h 05m

Philadelphia

화 10/3

21:50-21:30

1 stop19h 40m

£442

LondonPhiladelphia

LCY - PHL

LCYPHL

London City

월 23/2

06:50-13:55

1 stop12h 05m

Philadelphia

월 9/3

21:50-21:30

1 stop19h 40m

£443

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

목 12/2

07:50-13:55

1 stop11h 05m

Philadelphia

목 19/2

16:49-09:20

1 stop11h 31m

£445

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

금 13/2

07:50-13:55

1 stop11h 05m

Philadelphia

화 17/2

15:57-07:00

1 stop10h 03m

£448

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

토 14/3

07:40-21:09

1 stop17h 29m

Philadelphia

화 17/3

12:15-05:55

1 stop13h 40m

£449

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

목 5/2

07:50-14:05

1 stop11h 15m

Philadelphia

월 9/2

19:50-07:50

Nonstop7h 00m

£454

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

월 11/5

08:40-21:33

2 stops17h 53m

Philadelphia

월 18/5

10:05-06:35

2 stops15h 30m

£454

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

월 11/5

09:15-12:00

Nonstop7h 45m

Philadelphia

월 18/5

17:30-09:25

1 stop10h 55m

£455

LondonPhiladelphia

LCY - PHL

LCYPHL

London City

화 3/3

06:50-13:55

1 stop12h 05m

Philadelphia

수 11/3

21:50-17:30

1 stop15h 40m

£457

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from United Kingdom to Delaware

Have a flexible travel schedule? Discover the best time to fly to Delaware from United Kingdom with our price prediction graph.
Estimated return 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 the United Kingdom 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 United Kingdom 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 United Kingdom to Delaware?

    Airlines like British Airways, United Airlines, and Air France fly from United Kingdom to Delaware in about 14h 10m. The time it takes to get you to your destination can typically vary by up to 3h 19m. The distance from United Kingdom to Delaware is about 3553 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from United Kingdom to Delaware that include hotel bookings?

    Yes. In addition to deals on United Kingdom to Delaware flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to Delaware?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Delaware.

  • Can I find deals for business class flights from United Kingdom to Delaware?

    Yes. Cheapflights offers flight deals from United Kingdom 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for United Kingdom to Delaware

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Heathrow to LaGuardia flights
Gatwick to Newark flights
London City to John F Kennedy Intl flights
Gatwick to John F Kennedy Intl flights
Heathrow to Miami flights
Gatwick to LaGuardia flights
Stansted to John F Kennedy Intl flights
Heathrow to Orlando flights
Heathrow to Los Angeles flights
Manchester to John F Kennedy Intl flights
London City to Newark flights
Luton to John F Kennedy Intl flights
Heathrow to Dallas/Fort Worth flights
Manchester to Orlando flights
Heathrow to Las Vegas flights
Heathrow to Seattle flights
Stansted to Newark flights
Heathrow to Boston flights
Gatwick to Orlando flights
Heathrow to San Francisco flights
Heathrow to O'Hare Intl flights
Heathrow to Dulles Intl flights
Gatwick to Miami flights
Luton to Newark flights
London City to Miami flights
Gatwick to Los Angeles flights
Manchester to Newark flights
Stansted to Miami flights
Manchester to LaGuardia flights
Heathrow to Hobby flights
Heathrow to Atlanta flights
Heathrow to Tampa flights
Heathrow to Baltimore flights
London City to Orlando flights
London City to Los Angeles flights
Edinburgh to John F Kennedy Intl flights
Heathrow to Denver flights
Gatwick to Boston flights
Stansted to Los Angeles flights
Luton to Miami flights
Gatwick to Dallas/Fort Worth flights
Heathrow to George Bush Intcntl flights
Edinburgh to Newark flights
Stansted to Orlando flights
Heathrow to Nashville flights
Heathrow to Charlotte flights
Gatwick to Seattle flights
Heathrow to Fort Lauderdale flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from United Kingdom to Delaware?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Delaware from United Kingdom today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Delaware?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from United Kingdom to Delaware.

Can Cheapflights find flights from United Kingdom to Delaware with no change fees?

Need flexible booking options for your flight to Delaware from United Kingdom? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from United Kingdom to Delaware become cheaper?

Yes! Start tracking prices for United Kingdom to Delaware flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.