How long is the flight from London to Delaware?

Lufthansa, United Airlines, and British Airways can get you from London to Delaware in just under 11h 50m. Your travel time can differ by up to 5h 02m. London and Delaware are separated by a distance of 3553 mi. This flight may include one or multiple stops.

What are the cheapest airlines to fly from London to Delaware one-way?

For one-way options, check prices for Wizz Air. According to our data, you can fly for as low as £40. Users have also found prices from £61 and £134 on Ryanair and Royal Jordanian, respectively.

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.

£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 10 September 2026.

Wed 23/914:05 -

1 stop12h 27m

Sun 27/915:25 -

1 stop13h 35m

Deal found 10/9£584

Sun 8/1107:30 -

1 stop13h 35m

Sun 15/1116:59 -

1 stop31h 56m

Deal found 9/9£584

Tue 6/1019:15 -

2 stops25h 50m

Tue 13/1017:40 -

1 stop19h 15m

Deal found 8/9£585

Fri 6/1112:35 -

1 stop16h 07m

Mon 9/1119:07 -

2 stops30h 43m

Deal found 9/9£585

Sat 7/1106:50 -

2 stops12h 54m

Wed 11/1115:20 -

1 stop10h 50m

Deal found 8/9£586

Fri 9/1014:00 -

1 stop14h 43m

Sun 18/1007:15 -

1 stop21h 45m

Deal found 8/9£586

Thu 24/914:05 -

1 stop29h 42m

Thu 8/1007:00 -

1 stop18h 35m

Deal found 9/9£587

Wed 7/1009:15 -

1 stop11h 50m

Wed 14/1017:40 -

1 stop19h 15m

Deal found 9/9£587

Sun 18/1008:40 -

1 stop29h 52m

Mon 2/1110:27 -

1 stop15h 28m

Deal found 9/9£587

Fri 9/1014:00 -

1 stop14h 43m

Wed 21/1014:45 -

1 stop14h 15m

Deal found 8/9£587

Tue 15/1209:30 -

1 stop11h 35m

Mon 28/1209:50 -

1 stop17h 05m

Deal found 8/9£588

Wed 23/911:45 -

1 stop12h 10m

Sun 27/920:25 -

1 stop10h 35m

Deal found 10/9£588

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 10 September 2026.

Mon 19/1012:25 -

1 stop11h 30m

Mon 2/1117:40 -

1 stop12h 05m

Deal found 9/9£590

Tue 13/1009:15 -

1 stop11h 50m

Wed 21/1017:40 -

1 stop19h 15m

Deal found 8/9£593

Sat 3/1006:50 -

2 stops16h 52m

Fri 9/1019:30 -

1 stop30h 25m

Deal found 7/9£597

Mon 2/1106:50 -

1 stop12h 10m

Mon 16/1120:50 -

1 stop10h 50m

Deal found 6/9£599

Wed 11/1107:05 -

3 stops22h 50m

Wed 18/1115:40 -

2 stops21h 00m

Deal found 6/9£629

Wed 2/1216:35 -

2 stops31h 08m

Fri 1/109:29 -

3 stops41h 51m

Deal found 6/9£663

Mon 19/1006:30 -

1 stop17h 25m

Mon 2/1117:40 -

1 stop9h 50m

Deal found 8/9£593

Wed 4/1109:50 -

1 stop11h 20m

Tue 10/1118:35 -

Nonstop7h 00m

Deal found 7/9£599

Tue 29/909:15 -

1 stop11h 50m

Wed 7/1017:40 -

1 stop19h 15m

Deal found 8/9£615

Sat 3/1014:05 -

1 stop12h 27m

Wed 7/1015:25 -

1 stop13h 35m

Deal found 9/9£621

Mon 19/1007:05 -

3 stops20h 02m

Mon 2/1116:00 -

2 stops19h 00m

Deal found 8/9£644

Mon 19/1006:30 -

1 stop17h 25m

Sun 1/1117:40 -

1 stop9h 10m

Deal found 5/9£594

Mon 5/1007:40 -

1 stop16h 15m

Mon 12/1022:10 -

Nonstop7h 10m

Deal found 9/9£601

Thu 3/1210:40 -

2 stops26h 59m

Thu 10/1209:30 -

3 stops30h 05m

Deal found 6/9£663

Tue 29/909:15 -

1 stop11h 50m

Sun 4/1017:40 -

1 stop19h 15m

Deal found 7/9£619

Fri 23/1007:45 -

2 stops16h 39m

Fri 30/1010:54 -

2 stops15h 46m

Deal found 8/9£640

Thu 22/1007:05 -

3 stops20h 02m

Thu 29/1009:20 -

3 stops23h 35m

Deal found 7/9£648

Sat 24/1006:35 -

1 stop17h 20m

Sat 31/1018:40 -

1 stop10h 55m

Deal found 9/9£604

Mon 19/1012:05 -

2 stops26h 27m

Mon 2/1106:30 -

2 stops22h 20m

Deal found 9/9£674

Thu 1/1009:15 -

1 stop11h 50m

Sun 4/1017:40 -

1 stop19h 15m

Deal found 7/9£619

Wed 11/1106:50 -

1 stop12h 10m

Wed 18/1120:50 -

1 stop10h 30m

Deal found 7/9£627

Thu 19/1110:40 -

2 stops26h 40m

Mon 30/1113:25 -

3 stops26h 10m

Deal found 6/9£683

Wed 4/1118:15 -

1 stop26h 50m

Tue 17/1117:40 -

1 stop19h 00m

Deal found 8/9£629

Sat 26/914:00 -

1 stop15h 09m

Sun 27/905:15 -

1 stop23h 45m

Deal found 9/9£635

Wed 2/1210:35 -

Nonstop8h 15m

Tue 29/1217:40 -

1 stop9h 25m

Deal found 6/9£637

Mon 2/1110:40 -

2 stops39h 31m

Mon 16/1117:58 -

3 stops21h 37m

Deal found 6/9£683

Mon 12/1018:30 -

1 stop26h 35m

Sun 18/1017:40 -

1 stop19h 15m

Deal found 7/9£635

Mon 19/1007:00 -

1 stop11h 50m

Mon 2/1120:50 -

1 stop10h 50m

Deal found 8/9£644

Sun 27/1208:45 -

1 stop12h 25m

Sat 2/117:40 -

1 stop9h 25m

Deal found 5/9£652

Tue 15/1216:35 -

2 stops31h 08m

Tue 29/1209:29 -

2 stops42h 56m

Deal found 8/9£691

Find flight deals from London to Delaware

Round-trip from	£584
One-way from	£346
Popular in	August
Cheapest in	January
Average price	£649

British Airways
7/10-14/10
1 total stop
17h 35m total
London to Delaware

Search Deals

11/12-31/12
3 total stops
24h 20m total
London to Delaware

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£66 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 September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Wed 21/10

13:45-18:55

3 stops34h 10m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£353

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Thu 29/10

11:00-13:53

1 stop30h 53m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£363

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Wed 14/10

07:45-23:42

3 stops44h 57m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£368

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Tue 15/9

22:00-23:55

3 stops54h 55m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£368

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Thu 29/10

21:45-16:24

3 stops46h 39m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£371

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Sat 28/11

16:05-16:10

3 stops29h 05m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£381

LondonPhiladelphia

SEN London Southend - PHL Philadelphia

SENPHL

London Southend

Thu 29/10

19:00-18:19

3 stops51h 19m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£382

LondonPhiladelphia

LTN London Luton - PHL Philadelphia

LTNPHL

London Luton

Wed 21/10

21:45-18:55

3 stops26h 10m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£386

LondonPhiladelphia

SEN London Southend - PHL Philadelphia

SENPHL

London Southend

Tue 27/10

15:30-17:10

3 stops53h 40m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£387

LondonPhiladelphia

LTN London Luton - PHL Philadelphia

LTNPHL

London Luton

Thu 29/10

18:00-07:21

3 stops41h 21m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£392

Flights are sorted by cheapest return flights first.

Deals found on 5/9

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.

LHR-PHL

LCY-PHL

LGW-PHL

SEN-PHL

STN-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

LHR-PHL

LCY-PHL

LGW-PHL

SEN-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?
Lufthansa, United Airlines, and British Airways can get you from London to Delaware in just under 11h 50m. Your travel time can differ by up to 5h 02m. London and Delaware are separated by a distance of 3553 mi. This flight may include one or multiple stops.
What are the cheapest airlines to fly from London to Delaware one-way?
For one-way options, check prices for Wizz Air. According to our data, you can fly for as low as £40. Users have also found prices from £61 and £134 on Ryanair and Royal Jordanian, respectively.
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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Edinburgh to Newark flights

London City to Boston flights

Luton to LaGuardia flights

Heathrow to Fort Lauderdale flights

Edinburgh to John F Kennedy Intl flights

Luton to Los Angeles 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 retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. 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 10 September 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 10 September 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 10 September 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 10 September 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 10 September 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 10 September 2026.

Last-minute flights from London to DelawareDiscover last-minute flight deals from London to Delaware. Data last updated 10 September 2026 and is based on user searches.

Discover last-minute flight deals from London to Delaware. Data last updated 10 September 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 10 September 2026.

Search for one-way flight options from London to Delaware. Find affordable one-way fares based on user searches. Data last updated 10 September 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 cheapest airlines to fly from London to Delaware one-way?

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 10 September 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 10 September 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 10 September 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 10 September 2026.

Last-minute flights from London to Delaware
Discover last-minute flight deals from London to Delaware. Data last updated 10 September 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 10 September 2026.