How long is the flight from London to Delaware?

Scandinavian Airlines, United Airlines, and British Airways can get you from London to Delaware in just under 12h 35m. Your travel time can differ by up to 8h 08m. London and Delaware are separated by a distance of 3533 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 City - Philadelphia or London Gatwick - 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.

£346+ 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 21 August 2026.

Sun 6/914:00 -

1 stop14h 59m

Sun 20/915:30 -

1 stop13h 30m

Deal found 18/8£575

Wed 23/907:30 -

1 stop13h 35m

Sun 27/910:50 -

2 stops53h 10m

Deal found 17/8£576

Mon 5/1007:30 -

1 stop13h 35m

Mon 12/1007:00 -

2 stops33h 00m

Deal found 18/8£577

Wed 9/1217:45 -

2 stops27h 15m

Mon 14/1217:30 -

1 stop10h 00m

Deal found 18/8£578

Wed 28/1009:00 -

2 stops17h 56m

Mon 2/1117:05 -

2 stops22h 55m

Deal found 17/8£578

Tue 8/1215:20 -

2 stops29h 40m

Mon 14/1217:30 -

1 stop10h 00m

Deal found 18/8£578

Mon 14/912:00 -

1 stop11h 55m

Mon 21/920:25 -

1 stop9h 45m

Deal found 17/8£578

Tue 22/907:30 -

2 stops36h 17m

Sun 27/910:50 -

2 stops29h 10m

Deal found 18/8£579

Sun 4/1014:00 -

1 stop15h 09m

Sun 11/1006:40 -

2 stops22h 20m

Deal found 19/8£579

Tue 13/1020:15 -

2 stops27h 40m

Tue 3/1117:30 -

1 stop9h 45m

Deal found 20/8£580

Tue 15/907:25 -

2 stops16h 29m

Tue 22/907:00 -

2 stops33h 00m

Deal found 16/8£580

Thu 5/1115:40 -

2 stops29h 20m

Mon 9/1117:30 -

1 stop10h 00m

Deal found 19/8£580

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 21 August 2026.

Tue 13/1020:15 -

2 stops27h 40m

Tue 3/1117:30 -

1 stop9h 45m

Deal found 20/8£580

Fri 25/906:40 -

2 stops20h 43m

Mon 28/909:25 -

2 stops25h 35m

Deal found 18/8£594

Sun 22/1107:30 -

2 stops19h 08m

Thu 3/1209:15 -

2 stops19h 05m

Deal found 17/8£610

Wed 11/1106:30 -

1 stop12h 35m

Wed 18/1119:50 -

Nonstop7h 00m

Deal found 17/8£619

Mon 28/909:15 -

1 stop11h 50m

Tue 6/1017:40 -

1 stop19h 15m

Deal found 16/8£649

Wed 30/909:55 -

2 stops17h 26m

Wed 7/1012:32 -

2 stops13h 43m

Deal found 16/8£660

Wed 21/1010:35 -

2 stops28h 15m

Sun 25/1015:30 -

2 stops20h 15m

Deal found 19/8£670

Fri 4/915:40 -

2 stops21h 42m

Mon 7/909:23 -

2 stops24h 17m

Deal found 16/8£852

Wed 23/915:30 -

3 stops28h 17m

Sun 27/915:25 -

2 stops15h 30m

Deal found 18/8£584

Wed 7/1007:05 -

3 stops20h 02m

Wed 14/1009:20 -

2 stops28h 10m

Deal found 16/8£594

Wed 30/906:15 -

1 stop17h 40m

Wed 7/1010:42 -

2 stops17h 18m

Deal found 16/8£588

Wed 30/909:15 -

1 stop11h 50m

Wed 7/1017:40 -

1 stop19h 15m

Deal found 16/8£649

Wed 30/909:15 -

Nonstop7h 55m

Wed 7/1017:32 -

1 stop9h 28m

Deal found 16/8£654

Tue 20/1010:35 -

2 stops28h 15m

Fri 6/1118:30 -

3 stops32h 50m

Deal found 18/8£681

Tue 20/1007:05 -

3 stops20h 02m

Fri 6/1111:00 -

2 stops24h 00m

Deal found 17/8£619

Mon 14/909:15 -

1 stop11h 50m

Mon 21/917:40 -

1 stop19h 15m

Deal found 17/8£649

Fri 2/1009:30 -

1 stop10h 17m

Fri 9/1019:30 -

1 stop10h 10m

Deal found 18/8£716

Thu 17/908:00 -

3 stops19h 46m

Thu 24/916:20 -

2 stops16h 45m

Deal found 19/8£592

Fri 25/909:55 -

2 stops17h 26m

Fri 9/1017:29 -

2 stops13h 36m

Deal found 19/8£720

Wed 30/908:00 -

2 stops30h 31m

Wed 7/1018:48 -

3 stops17h 57m

Deal found 16/8£682

Sat 7/1107:45 -

1 stop11h 20m

Wed 11/1120:50 -

1 stop10h 30m

Deal found 20/8£697

Thu 15/1015:50 -

2 stops31h 09m

Mon 19/1020:25 -

1 stop11h 20m

Deal found 21/8£606

Fri 18/909:15 -

1 stop11h 50m

Mon 21/917:40 -

1 stop19h 15m

Deal found 19/8£678

Sun 22/1106:40 -

2 stops23h 07m

Thu 3/1213:20 -

3 stops22h 05m

Deal found 17/8£691

Mon 26/1011:00 -

3 stops26h 39m

Mon 2/1118:30 -

3 stops21h 05m

Deal found 17/8£693

Thu 24/914:45 -

1 stop26h 10m

Mon 28/918:30 -

1 stop22h 05m

Deal found 16/8£704

Fri 18/906:35 -

2 stops22h 34m

Fri 25/920:25 -

1 stop16h 10m

Deal found 21/8£607

Sun 4/1018:30 -

1 stop26h 35m

Sun 11/1017:40 -

1 stop19h 15m

Deal found 20/8£695

Wed 16/1208:40 -

1 stop11h 55m

Sat 16/121:10 -

1 stop10h 30m

Deal found 21/8£724

Thu 19/1110:40 -

2 stops26h 40m

Mon 30/1113:25 -

2 stops21h 20m

Deal found 19/8£729

Find flight deals from London to Delaware

Round-trip from	£575
One-way from	£346
Popular in	August
Cheapest in	January
Average price	£802

6/9-20/9
2 total stops
28h 29m total
London to Delaware

Search Deals

23/9
3 total stops
39h 00m total
London to Delaware

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£51 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 August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Tue 13/10

20:15-18:55

2 stops27h 40m

Philadelphia

Tue 3/11

17:30-08:15

1 stop9h 45m

£580

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Wed 23/9

15:30-14:47

3 stops28h 17m

Philadelphia

Sun 27/9

15:25-11:55

2 stops15h 30m

£584

LondonPhiladelphia

LTN London Luton - PHL Philadelphia

LTNPHL

London Luton

Wed 30/9

06:15-18:55

1 stop17h 40m

Philadelphia

Wed 7/10

10:42-09:00

2 stops17h 18m

£588

LondonPhiladelphia

LTN London Luton - PHL Philadelphia

LTNPHL

London Luton

Thu 17/9

08:00-22:46

3 stops19h 46m

Philadelphia

Thu 24/9

16:20-14:05

2 stops16h 45m

£592

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Fri 25/9

06:40-22:23

2 stops20h 43m

Philadelphia

Mon 28/9

09:25-16:00

2 stops25h 35m

£594

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Wed 7/10

07:05-22:07

3 stops20h 02m

Philadelphia

Wed 14/10

09:20-18:30

2 stops28h 10m

£594

LondonPhiladelphia

LTN London Luton - PHL Philadelphia

LTNPHL

London Luton

Thu 15/10

15:50-17:59

2 stops31h 09m

Philadelphia

Mon 19/10

20:25-12:45

1 stop11h 20m

£606

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Fri 18/9

06:35-00:09

2 stops22h 34m

Philadelphia

Fri 25/9

20:25-17:35

1 stop16h 10m

£607

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Sun 22/11

07:30-21:38

2 stops19h 08m

Philadelphia

Thu 3/12

09:15-09:20

2 stops19h 05m

£610

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Wed 11/11

06:30-14:05

1 stop12h 35m

Philadelphia

Wed 18/11

19:50-07:50

Nonstop7h 00m

£619

Flights are sorted by cheapest return flights first.

Deals found on 19/8

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.

LGW-PHL

LHR-PHL

STN-PHL

LTN-PHL

LCY-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

LGW-PHL

LHR-PHL

STN-PHL

LTN-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?
Scandinavian Airlines, United Airlines, and British Airways can get you from London to Delaware in just under 12h 35m. Your travel time can differ by up to 8h 08m. London and Delaware are separated by a distance of 3533 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 City - Philadelphia or London Gatwick - 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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Edinburgh to Newark flights

Heathrow to Ontario flights

Gatwick to Boston flights

Heathrow to George Bush Intcntl flights

Luton to Miami flights

London City to Las Vegas flights

Edinburgh to John F Kennedy Intl flights

London City to Boston flights

Stansted to Las Vegas flights

Heathrow to Austin 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 £346

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 23/9. 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 21 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 21 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 21 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 21 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 21 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 21 August 2026.

Last-minute flights from London to DelawareDiscover last-minute flight deals from London to Delaware. Data last updated 21 August 2026 and is based on user searches.

Discover last-minute flight deals from London to Delaware. Data last updated 21 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 21 August 2026.

Search for one-way flight options from London to Delaware. Find affordable one-way fares based on user searches. Data last updated 21 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 21 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 21 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 21 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 21 August 2026.

Last-minute flights from London to Delaware
Discover last-minute flight deals from London to Delaware. Data last updated 21 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 21 August 2026.