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Cheap flights from the United Kingdom to Delaware from £221

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 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ILG
7 Apr — 14 Apr1
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 8 March 2026.

Tue 5/511:30
EDI
-
PHL
1 stop11h 08m
JetBlue
Tue 2/619:45
PHL
-
EDI
1 stop9h 15m
JetBlue
Deal found 3/3£359
Wed 1/409:20
EDI
-
PHL
1 stop14h 35m
Multiple Airlines
Tue 7/420:25
PHL
-
EDI
1 stop14h 15m
Multiple Airlines
Deal found 5/3£409
Thu 12/307:15
GLA
-
PHL
1 stop13h 45m
Multiple Airlines
Mon 16/318:30
PHL
-
GLA
1 stop9h 30m
Multiple Airlines
Deal found 3/3£412
Sat 18/413:40
MAN
-
PHL
1 stop10h 15m
Multiple Airlines
Sat 25/420:25
PHL
-
MAN
1 stop9h 30m
Multiple Airlines
Deal found 4/3£417
Tue 21/412:00
BHX
-
PHL
1 stop11h 55m
Multiple Airlines
Tue 28/420:25
PHL
-
BHX
1 stop15h 50m
Multiple Airlines
Deal found 7/3£417
Sun 19/407:55
EDI
-
PHL
1 stop16h 00m
Multiple Airlines
Sun 26/420:25
PHL
-
EDI
1 stop15h 35m
Multiple Airlines
Deal found 5/3£418
Sat 18/411:10
GLA
-
PHL
1 stop12h 45m
Multiple Airlines
Sat 25/420:25
PHL
-
GLA
1 stop15h 25m
Multiple Airlines
Deal found 4/3£434
Sun 19/408:10
MAN
-
PHL
1 stop15h 45m
Multiple Airlines
Sun 26/420:25
PHL
-
MAN
1 stop15h 15m
Multiple Airlines
Deal found 5/3£439
Thu 9/412:20
EDI
-
PHL
1 stop11h 35m
Aer Lingus
Mon 13/420:25
PHL
-
EDI
1 stop11h 30m
Aer Lingus
Deal found 6/3£447
Mon 13/408:15
LTN
-
PHL
1 stop15h 40m
Multiple Airlines
Mon 20/420:25
PHL
-
LTN
1 stop14h 20m
Multiple Airlines
Deal found 4/3£450
Mon 4/508:40
LHR
-
PHL
1 stop18h 00m
JetBlue
Mon 18/506:00
PHL
-
LHR
1 stop19h 30m
JetBlue
Deal found 3/3£450
Sat 18/412:00
BHX
-
PHL
1 stop11h 55m
Multiple Airlines
Sat 25/420:25
PHL
-
BHX
1 stop9h 50m
Multiple Airlines
Deal found 4/3£452

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 8 March 2026.

Round-trip from

£359

One-way from

£221

Popular in

December

Cheapest in

September

Average price

£602
JetBlue
  • JetBlue
  • 5/5-2/6
  • 2 total stops
  • 20h 23m total
  • United Kingdom to Delaware
Search Deals
29/4
  • 29/4
  • 2 total stops
  • 36h 09m total
  • United Kingdom to Delaware
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 8 March 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

BirminghamPhiladelphia

BHX - PHL

BHXPHL

Birmingham

Tue 21/4

12:00-18:55

1 stop11h 55m

Philadelphia

Tue 28/4

20:25-17:15

1 stop15h 50m

£417

BirminghamPhiladelphia

BHX - PHL

BHXPHL

Birmingham

Sat 18/4

12:00-18:55

1 stop11h 55m

Philadelphia

Sat 25/4

20:25-11:15

1 stop9h 50m

£452

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Mon 13/4

12:25-18:55

1 stop11h 30m

Philadelphia

Mon 20/4

08:25-09:15

2 stops19h 50m

£479

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Sun 19/4

06:35-18:55

1 stop17h 20m

Philadelphia

Sun 26/4

08:25-07:50

2 stops18h 25m

£482

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Mon 13/4

08:30-18:55

1 stop15h 25m

Philadelphia

Mon 20/4

08:25-07:50

2 stops18h 25m

£482

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Wed 22/4

08:40-17:38

1 stop13h 58m

Philadelphia

Wed 29/4

08:25-06:30

1 stop17h 05m

£522

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Wed 22/4

10:50-00:59

2 stops19h 09m

Philadelphia

Wed 29/4

09:15-21:00

2 stops30h 45m

£523

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Thu 2/4

06:30-18:55

1 stop17h 25m

Philadelphia

Thu 16/4

20:25-19:35

1 stop18h 10m

£540

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 13/4

08:50-15:05

1 stop11h 15m

Philadelphia

Mon 20/4

22:05-10:20

Nonstop7h 15m

£553

BirminghamPhiladelphia

BHX - PHL

BHXPHL

Birmingham

Thu 23/4

08:10-18:55

1 stop15h 45m

Philadelphia

Thu 30/4

20:25-12:35

1 stop11h 10m

£554

Flights are sorted by cheapest return flights first.

Deals found on 5/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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 JetBlue, United Airlines, and British Airways fly from United Kingdom to Delaware in about 11h 15m. The time it takes to get you to your destination can typically vary by up to 7h 54m. 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 Ryanair (£41), Wizz Air (£42), and Wizz Air (£56).

  • 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.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Gatwick to John F Kennedy Intl flights
Heathrow to LaGuardia flights
London City to John F Kennedy Intl flights
Gatwick to Newark flights
Stansted to John F Kennedy Intl flights
Heathrow to Orlando flights
Heathrow to Los Angeles flights
Heathrow to Miami flights
Gatwick to LaGuardia flights
Heathrow to Boston flights
Luton to John F Kennedy Intl flights
Heathrow to Las Vegas flights
London City to Newark flights
Manchester to Orlando flights
Stansted to Newark flights
Luton to Newark flights
Gatwick to Orlando flights
Heathrow to O'Hare Intl flights
Heathrow to San Francisco flights
Manchester to John F Kennedy Intl flights
Heathrow to Hobby flights
Heathrow to Dallas/Fort Worth flights
Gatwick to Miami flights
Heathrow to Seattle flights
Heathrow to Dulles Intl flights
Gatwick to Los Angeles flights
Stansted to Miami flights
London City to Miami flights
Stansted to Los Angeles flights
Edinburgh to John F Kennedy Intl flights
Heathrow to George Bush Intcntl flights
Gatwick to Boston flights
Heathrow to Atlanta flights
Stansted to Orlando flights
London City to Los Angeles flights
Heathrow to Tampa flights
Edinburgh to Newark flights
Heathrow to Baltimore flights
Manchester to Newark flights
Heathrow to Ontario flights
Gatwick to Las Vegas flights
London City to Boston flights
Luton to Miami flights
Manchester to LaGuardia flights
London City to Hobby flights
Luton to Los Angeles flights
Gatwick to Hobby flights
Heathrow to Nashville 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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