How long is the flight from London to Delaware?

United Airlines, Lufthansa, and Virgin Atlantic can get you from London to Delaware in just under 11h 50m. Your travel time can differ by up to 5h 57m. London and Delaware are separated by a distance of 3553 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Delaware ranges from 73.0 - 108.0 inches per month. July is typically the wettest month, when rainfall can reach 108.0 mm. February is typically the driest time to visit Delaware when rainfall is around 73.0 mm.

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 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

What are the most popular routes from London to Delaware?

The most popular route from London to Delaware is London Heathrow - Philadelphia. You may also consider London Gatwick - Philadelphia or London City - Philadelphia.

What are the most popular airlines that fly from London to Delaware?

The most popular airlines flying from London to Delaware are Royal Jordanian, British Airways and Turkish Airlines. Something to consider prior to booking your flight.

What is the cheapest time of day to fly from LON to DE?

When flying from London to Delaware, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from London to Delaware that include hotel bookings?

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

How can I find direct flights from London to Delaware?

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

Can I find deals for business class flights from London to Delaware?

Yes. Cheapflights offers flight deals from London 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.

£342+ Cheap Flights from London to Delaware

Cheap flight deals from London to Delaware

Enter your travel dates to find the best prices.

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Best

Direct

Last-minute

One-way

Cheapest flights from London to Delaware
Explore the most affordable flight options available from London to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2026.

Mon 5/1009:30 -

1 stop11h 35m

Mon 12/1007:00 -

2 stops18h 30m

Deal found 21/8£579

Wed 23/909:30 -

1 stop11h 35m

Wed 30/910:50 -

2 stops29h 10m

Deal found 24/8£580

Thu 8/1006:55 -

3 stops19h 37m

Thu 15/1015:25 -

2 stops24h 35m

Deal found 24/8£581

Fri 9/1008:40 -

1 stop19h 22m

Mon 12/1006:00 -

1 stop19h 30m

Deal found 22/8£581

Tue 6/1010:00 -

2 stops35h 05m

Sun 18/1017:40 -

2 stops19h 45m

Deal found 22/8£581

Tue 6/1007:10 -

3 stops19h 22m

Tue 13/1017:40 -

2 stops25h 30m

Deal found 22/8£582

Sun 27/909:00 -

1 stop14h 55m

Sat 3/1020:25 -

1 stop14h 40m

Deal found 21/8£582

Wed 16/914:00 -

1 stop24h 05m

Wed 23/908:41 -

2 stops20h 19m

Deal found 21/8£582

Mon 21/908:15 -

3 stops35h 32m

Mon 28/916:20 -

2 stops19h 30m

Deal found 24/8£583

Mon 21/909:30 -

1 stop11h 35m

Mon 28/906:15 -

1 stop19h 40m

Deal found 24/8£583

Thu 8/1007:30 -

1 stop13h 35m

Thu 15/1010:40 -

1 stop15h 15m

Deal found 24/8£584

Mon 5/1008:15 -

2 stops14h 34m

Mon 12/1020:25 -

1 stop11h 20m

Deal found 21/8£584

Best flights from London to Delaware
Discover carefully curated flight deals from London to Delaware that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 August 2026.

Mon 5/1007:30 -

1 stop13h 35m

Mon 12/1007:00 -

2 stops33h 00m

Deal found 24/8£580

Fri 9/1006:10 -

3 stops21h 36m

Fri 16/1017:40 -

2 stops21h 50m

Deal found 25/8£587

Wed 11/1106:30 -

1 stop12h 35m

Wed 18/1118:38 -

1 stop9h 37m

Deal found 21/8£622

Tue 13/1009:15 -

1 stop11h 50m

Tue 20/1017:40 -

1 stop19h 15m

Deal found 26/8£642

Mon 5/1010:25 -

2 stops17h 47m

Tue 20/1009:20 -

2 stops19h 05m

Deal found 21/8£648

Wed 9/1216:35 -

2 stops31h 08m

Mon 14/1209:30 -

3 stops30h 05m

Deal found 25/8£664

Tue 6/1008:30 -

1 stop15h 25m

Tue 13/1010:45 -

2 stops16h 05m

Deal found 22/8£589

Fri 9/1007:25 -

2 stops16h 59m

Fri 16/1010:05 -

1 stop15h 25m

Deal found 25/8£589

Tue 6/1009:40 -

1 stop14h 15m

Tue 13/1010:45 -

2 stops17h 30m

Deal found 22/8£589

Sat 3/1006:50 -

2 stops16h 52m

Fri 16/1010:05 -

1 stop18h 55m

Deal found 25/8£591

Wed 23/909:15 -

1 stop11h 50m

Mon 28/917:40 -

1 stop19h 15m

Deal found 23/8£653

Wed 4/1116:35 -

2 stops35h 01m

Wed 11/1110:30 -

2 stops18h 20m

Deal found 22/8£675

Mon 2/1108:40 -

1 stop11h 45m

Mon 16/1120:50 -

1 stop16h 45m

Deal found 23/8£680

Mon 21/909:15 -

1 stop11h 50m

Mon 28/917:40 -

1 stop19h 15m

Deal found 22/8£653

Mon 5/1006:30 -

2 stops16h 19m

Mon 12/1020:25 -

1 stop11h 25m

Deal found 21/8£594

Sun 27/914:05 -

1 stop12h 27m

Mon 5/1015:08 -

2 stops13h 12m

Deal found 24/8£610

Wed 7/1016:25 -

2 stops35h 18m

Fri 23/1010:45 -

3 stops28h 40m

Deal found 21/8£684

Sat 21/1107:45 -

1 stop11h 20m

Tue 1/1220:40 -

1 stop10h 40m

Deal found 22/8£702

Wed 7/1009:15 -

1 stop11h 50m

Wed 14/1017:40 -

1 stop19h 15m

Deal found 23/8£653

Mon 21/908:15 -

2 stops14h 33m

Mon 28/920:25 -

1 stop11h 20m

Deal found 22/8£598

Thu 15/1009:30 -

1 stop11h 35m

Sun 25/1009:45 -

2 stops16h 35m

Deal found 25/8£612

Mon 2/1116:35 -

2 stops35h 01m

Mon 16/1118:30 -

3 stops21h 05m

Deal found 23/8£685

Wed 9/1218:15 -

1 stop26h 50m

Sun 13/1217:40 -

1 stop10h 35m

Deal found 25/8£672

Fri 9/1007:25 -

2 stops16h 59m

Mon 12/1007:00 -

2 stops18h 30m

Deal found 22/8£613

Wed 30/907:00 -

1 stop11h 45m

Wed 28/1021:45 -

1 stop10h 55m

Deal found 22/8£743

Fri 18/912:50 -

1 stop11h 05m

Mon 21/920:25 -

1 stop11h 20m

Deal found 22/8£618

Wed 30/910:35 -

2 stops27h 56m

Wed 28/1015:35 -

3 stops38h 25m

Deal found 24/8£705

Sat 21/1107:45 -

1 stop11h 15m

Sun 29/1121:20 -

1 stop14h 05m

Deal found 24/8£748

Thu 1/1009:15 -

1 stop11h 50m

Thu 5/1117:40 -

1 stop10h 35m

Deal found 21/8£682

Thu 1/1015:20 -

2 stops23h 23m

Thu 8/1010:40 -

2 stops21h 20m

Deal found 22/8£622

Find flight deals from London to Delaware

Round-trip from	£579
One-way from	£342
Popular in	August
Cheapest in	January
Average price	£822

United Airlines
5/10-12/10
3 total stops
30h 05m total
London to Delaware

Search Deals

8/10
2 total stops
30h 40m total
London to Delaware

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£56 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Mon 5/10

07:30-16:05

1 stop13h 35m

Philadelphia

Mon 12/10

07:00-21:00

2 stops33h 00m

£580

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Fri 9/10

06:10-22:46

3 stops21h 36m

Philadelphia

Fri 16/10

17:40-20:30

2 stops21h 50m

£587

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Tue 6/10

08:30-18:55

1 stop15h 25m

Philadelphia

Tue 13/10

10:45-07:50

2 stops16h 05m

£589

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Fri 9/10

07:25-19:24

2 stops16h 59m

Philadelphia

Fri 16/10

10:05-06:30

1 stop15h 25m

£589

LondonPhiladelphia

LTN London Luton - PHL Philadelphia

LTNPHL

London Luton

Tue 6/10

09:40-18:55

1 stop14h 15m

Philadelphia

Tue 13/10

10:45-09:15

2 stops17h 30m

£589

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Sat 3/10

06:50-18:42

2 stops16h 52m

Philadelphia

Fri 16/10

10:05-10:00

1 stop18h 55m

£591

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Mon 5/10

06:30-17:49

2 stops16h 19m

Philadelphia

Mon 12/10

20:25-12:50

1 stop11h 25m

£594

LondonPhiladelphia

LTN London Luton - PHL Philadelphia

LTNPHL

London Luton

Mon 21/9

08:15-17:48

2 stops14h 33m

Philadelphia

Mon 28/9

20:25-12:45

1 stop11h 20m

£598

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Sun 27/9

14:05-21:32

1 stop12h 27m

Philadelphia

Mon 5/10

15:08-09:20

2 stops13h 12m

£610

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Thu 15/10

09:30-16:05

1 stop11h 35m

Philadelphia

Sun 25/10

09:45-06:20

2 stops16h 35m

£612

Flights are sorted by cheapest return flights first.

Deals found on 22/8

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from London to Delaware

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

SEN-PHL

LHR-PHL

LGW-PHL

STN-PHL

LTN-PHL

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 London to Delaware

LON-USDE

SEN-PHL

LHR-PHL

LGW-PHL

STN-PHL

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from London to Delaware?
United Airlines, Lufthansa, and Virgin Atlantic can get you from London to Delaware in just under 11h 50m. Your travel time can differ by up to 5h 57m. London and Delaware are separated by a distance of 3553 mi. This flight may include one or multiple stops.
What are the most popular routes from London to Delaware?
The most popular route from London to Delaware is London Heathrow - Philadelphia. You may also consider London Gatwick - Philadelphia or London City - Philadelphia.
Can I find deals for flights from London to Delaware that include hotel bookings?
Yes. In addition to deals on London to Delaware flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Delaware?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Delaware.
Can I find deals for business class flights from London to Delaware?
Yes. Cheapflights offers flight deals from London 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 London to Delaware

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Heathrow to Seattle flights

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Heathrow to Baltimore flights

Heathrow to George Bush Intcntl flights

London City to Orlando flights

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Heathrow to Tampa flights

Manchester to LaGuardia flights

Luton to Miami flights

London City to Boston flights

Heathrow to Ontario flights

Edinburgh to Newark flights

Luton to Orlando flights

Gatwick to Las Vegas flights

Luton to Los Angeles flights

Edinburgh to John F Kennedy Intl flights

Stansted to Boston flights

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How does Cheapflights help users find flights from London to Delaware?

Deals for London to Delaware flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals from London to Delaware for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Delaware from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Delaware from London today and book when prices fit your budget.

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Cheap flights from London to Delaware from £342

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Delaware

Cheapest flights from London to DelawareExplore the most affordable flight options available from London to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2026.

Explore the most affordable flight options available from London to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2026.

Best flights from London to DelawareDiscover carefully curated flight deals from London to Delaware that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 August 2026.

Discover carefully curated flight deals from London to Delaware that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 August 2026.

Direct flights from London to DelawareExplore direct flight options from London to Delaware based on user searches, and compare prices and availability for your desired travel dates. Data last updated 26 August 2026.

Explore direct flight options from London to Delaware based on user searches, and compare prices and availability for your desired travel dates. Data last updated 26 August 2026.

Last-minute flights from London to DelawareDiscover last-minute flight deals from London to Delaware. Data last updated 26 August 2026 and is based on user searches.

Discover last-minute flight deals from London to Delaware. Data last updated 26 August 2026 and is based on user searches.

One-way flights from London to DelawareSearch for one-way flight options from London to Delaware. Find affordable one-way fares based on user searches. Data last updated 26 August 2026.

Search for one-way flight options from London to Delaware. Find affordable one-way fares based on user searches. Data last updated 26 August 2026.

Find flight deals from London to Delaware

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Best time to book a flight from London to Delaware

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Related info for your journey

How long is the flight from London to Delaware?

What are the most popular routes from London to Delaware?

Can I find deals for flights from London to Delaware that include hotel bookings?

How can I find direct flights from London to Delaware?

Can I find deals for business class flights from London to Delaware?

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 London to Delaware

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Delaware by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from London to Delaware by cabin class

Find flights from London to Delaware, based on your preferred cabin class, be it economy, premium economy, business, or first class.

London and Delaware flights

Browse other London and Delaware flight options. Last updated on 26 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

London to Delaware flights

Consider these flights travelling from London to Delaware.

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Cheapest flights from London to Delaware
Explore the most affordable flight options available from London to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2026.

Best flights from London to Delaware
Discover carefully curated flight deals from London to Delaware that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 August 2026.

Direct flights from London to Delaware
Explore direct flight options from London to Delaware based on user searches, and compare prices and availability for your desired travel dates. Data last updated 26 August 2026.

Last-minute flights from London to Delaware
Discover last-minute flight deals from London to Delaware. Data last updated 26 August 2026 and is based on user searches.

One-way flights from London to Delaware
Search for one-way flight options from London to Delaware. Find affordable one-way fares based on user searches. Data last updated 26 August 2026.