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Cheap flights from the United Kingdom to Delaware from £290

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ILG
3 Sep — 10 Sep1
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 4 August 2026.

Tue 15/908:30 -
1 stop15h 25m
Tue 22/920:25 -
1 stop9h 55m
Deal found 1/8£516
Thu 17/906:05 -
1 stop17h 50m
Mon 21/920:25 -
1 stop9h 35m
Deal found 4/8£520
Tue 1/908:30 -
1 stop15h 25m
Tue 8/920:25 -
1 stop9h 55m
Deal found 2/8£527
Tue 15/913:05 -
1 stop10h 50m
Tue 22/920:25 -
1 stop16h 00m
Deal found 4/8£530
Tue 1/906:15 -
1 stop17h 40m
Tue 8/920:25 -
1 stop18h 15m
Deal found 2/8£531
Thu 3/911:30 -
1 stop13h 31m
Mon 7/909:23 -
1 stop19h 37m
Deal found 1/8£534
Mon 14/910:30 -
1 stop13h 25m
Mon 21/920:25 -
1 stop12h 35m
Deal found 31/7£535
Sat 29/812:05 -
1 stop11h 50m
Sun 6/920:25 -
1 stop12h 30m
Deal found 3/8£544
Wed 16/907:20 -
1 stop16h 35m
Wed 23/920:25 -
1 stop13h 10m
Deal found 2/8£546
Thu 27/808:35 -
1 stop15h 20m
Wed 9/920:25 -
1 stop15h 25m
Deal found 30/7£565
Tue 15/919:15 -
2 stops32h 06m
Tue 22/913:24 -
2 stops24h 11m
Deal found 1/8£569
Thu 1/1019:10 -
2 stops32h 11m
Mon 12/1015:40 -
2 stops21h 45m
Deal found 31/7£570

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 4 August 2026.

Round-trip from

£508

One-way from

£290

Popular in

July

Cheapest in

September

Average price

£751
JetBlue
  • JetBlue
  • 1/9-29/9
  • 2 total stops
  • 38h 55m total
  • United Kingdom to Delaware
Search Deals
1/9
  • 1/9
  • 3 total stops
  • 54h 19m total
  • United Kingdom to Delaware
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£76 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 4 August 2026.
Use the filters below to find and compare flights from the United Kingdom to Delaware that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LeedsPhiladelphia

LBA - PHL

LBAPHL

Leeds/Bradford

Thu 17/9

06:05-18:55

1 stop17h 50m

Philadelphia

Mon 21/9

10:42-11:00

2 stops19h 18m

£584

BirminghamPhiladelphia

BHX - PHL

BHXPHL

Birmingham

Fri 16/10

19:15-21:40

2 stops31h 25m

Philadelphia

Sat 24/10

07:10-19:30

2 stops31h 20m

£592

BirminghamPhiladelphia

BHX - PHL

BHXPHL

Birmingham

Thu 15/10

19:15-00:56

2 stops34h 41m

Philadelphia

Sat 24/10

07:10-19:30

2 stops31h 20m

£592

LeedsPhiladelphia

LBA - PHL

LBAPHL

Leeds/Bradford

Thu 17/9

08:45-18:55

1 stop15h 10m

Philadelphia

Wed 23/9

20:25-15:35

1 stop14h 10m

£600

ManchesterPhiladelphia

MAN - PHL

MANPHL

Manchester

Thu 1/10

09:35-22:21

2 stops17h 46m

Philadelphia

Thu 15/10

09:20-12:05

3 stops21h 45m

£602

ManchesterPhiladelphia

MAN - PHL

MANPHL

Manchester

Thu 24/9

09:35-22:21

2 stops17h 46m

Philadelphia

Mon 28/9

13:24-08:55

2 stops14h 31m

£607

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Sun 13/9

08:40-15:02

1 stop11h 22m

Philadelphia

Sun 20/9

10:42-06:30

1 stop14h 48m

£613

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Tue 6/10

07:05-22:07

3 stops20h 02m

Philadelphia

Tue 3/11

07:05-09:20

2 stops21h 15m

£616

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Wed 11/11

06:30-14:05

1 stop12h 35m

Philadelphia

Wed 18/11

19:50-07:50

Nonstop7h 00m

£618

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Fri 18/9

06:20-18:55

1 stop17h 35m

Philadelphia

Fri 25/9

10:37-08:25

2 stops16h 48m

£619

Flights are sorted by cheapest return flights first.

Deals found on 4/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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 Scandinavian Airlines, Aer Lingus, and JetBlue fly from United Kingdom to Delaware in about 11h 22m. The time it takes to get you to your destination can typically vary by up to 20h 44m. The distance from United Kingdom to Delaware is about 3533 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from United Kingdom to Delaware one-way?

    The cheapet airlines for a one-way flight from United Kingdom to Delaware are Wizz Air (£40), Ryanair (£41), and Wizz Air (£64).

  • 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

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Alternative routes for United Kingdom to Delaware

See prices for flight routes from nearby airports that may be better suited for you.
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Heathrow to Newark flights
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Gatwick to Miami flights
Heathrow to Dulles Intl flights
Heathrow to Hobby flights
Manchester to Newark flights
Stansted to Orlando flights
Stansted to Miami flights
Manchester to LaGuardia flights
Heathrow to Seattle flights
London City to Miami flights
Heathrow to Baltimore flights
Edinburgh to Newark flights
Gatwick to Los Angeles flights
Stansted to Los Angeles flights
London City to Los Angeles flights
London City to Orlando flights
Luton to Los Angeles flights
Heathrow to George Bush Intcntl flights
Heathrow to Ontario flights
Edinburgh to John F Kennedy Intl flights
Gatwick to Boston flights
Heathrow to Tampa flights
Luton to Miami flights
Heathrow to Denver flights
London City to Boston flights
Glasgow Intl to Newark flights
Gatwick to Las Vegas flights

Fly with Cheapflights

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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.

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