How long is the flight from London to Delaware?

United Airlines, JetBlue, and TAP AIR PORTUGAL can get you from London to Delaware in just under 14h 23m. Your travel time can differ by up to 20h 38m. London and Delaware are separated by a distance of 3533 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 £137 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.

£347+ 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 7 August 2026.

Wed 2/906:00 -

2 stops20h 34m

Wed 16/910:30 -

2 stops15h 00m

Deal found 5/8£587

Wed 2/909:15 -

Nonstop8h 00m

Wed 9/917:49 -

1 stop13h 26m

Deal found 3/8£588

Wed 2/921:50 -

3 stops29h 56m

Wed 9/915:25 -

2 stops16h 25m

Deal found 3/8£588

Sat 29/808:40 -

1 stop16h 21m

Sun 6/909:12 -

1 stop16h 18m

Deal found 3/8£589

Sun 27/914:00 -

1 stop24h 05m

Sun 4/1015:30 -

1 stop13h 30m

Deal found 4/8£589

Fri 18/913:25 -

1 stop10h 30m

Fri 25/920:25 -

1 stop11h 15m

Deal found 4/8£590

Mon 28/914:00 -

1 stop24h 30m

Wed 7/1014:50 -

1 stop14h 10m

Deal found 4/8£591

Mon 28/907:45 -

2 stops20h 45m

Sun 4/1017:08 -

1 stop32h 37m

Deal found 5/8£591

Wed 30/914:00 -

1 stop15h 09m

Sun 4/1015:30 -

1 stop13h 30m

Deal found 4/8£591

Mon 28/907:45 -

2 stops20h 45m

Thu 8/1010:40 -

1 stop15h 15m

Deal found 4/8£592

Fri 25/914:00 -

1 stop24h 05m

Sat 3/1015:30 -

1 stop13h 30m

Deal found 5/8£592

Sat 12/914:00 -

1 stop15h 09m

Sat 26/917:45 -

2 stops31h 35m

Deal found 4/8£593

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 7 August 2026.

Tue 1/909:30 -

2 stops14h 23m

Tue 8/910:30 -

2 stops15h 00m

Deal found 4/8£594

Fri 4/1209:20 -

1 stop14h 23m

Thu 7/113:30 -

1 stop12h 25m

Deal found 2/8£602

Tue 1/909:40 -

1 stop14h 15m

Tue 8/909:12 -

2 stops19h 03m

Deal found 4/8£618

Mon 16/1106:30 -

1 stop12h 35m

Thu 19/1118:35 -

Nonstop7h 00m

Deal found 2/8£644

Tue 10/1116:35 -

2 stops35h 01m

Tue 17/1110:30 -

2 stops18h 20m

Deal found 6/8£656

Mon 28/908:25 -

2 stops15h 44m

Sun 4/1019:50 -

2 stops31h 05m

Deal found 5/8£695

Wed 9/915:40 -

2 stops22h 51m

Sun 13/918:48 -

2 stops38h 52m

Deal found 2/8£725

Sun 1/1107:30 -

1 stop13h 35m

Mon 9/1106:00 -

2 stops20h 10m

Deal found 2/8£598

Fri 13/1109:40 -

1 stop13h 00m

Sun 15/1117:30 -

1 stop9h 20m

Deal found 5/8£637

Wed 11/1110:35 -

Nonstop8h 15m

Wed 18/1118:35 -

Nonstop7h 00m

Deal found 2/8£655

Fri 13/1106:00 -

2 stops21h 36m

Sun 15/1118:30 -

3 stops18h 00m

Deal found 5/8£674

Mon 5/1009:30 -

1 stop11h 35m

Mon 12/1015:08 -

1 stop10h 47m

Deal found 6/8£634

Mon 7/914:00 -

2 stops27h 26m

Mon 14/915:30 -

1 stop13h 30m

Deal found 1/8£645

Wed 9/913:45 -

Nonstop7h 55m

Wed 23/918:45 -

Nonstop7h 05m

Deal found 6/8£657

Mon 2/1116:35 -

2 stops35h 01m

Mon 16/1110:30 -

2 stops24h 15m

Deal found 2/8£678

Tue 29/909:40 -

1 stop14h 15m

Tue 6/1020:25 -

1 stop12h 00m

Deal found 5/8£652

Sat 12/914:05 -

1 stop12h 27m

Sat 26/906:15 -

2 stops19h 15m

Deal found 4/8£652

Mon 28/920:30 -

1 stop20h 25m

Wed 7/1018:35 -

1 stop10h 45m

Deal found 6/8£661

Sat 19/911:20 -

3 stops27h 11m

Sat 26/915:57 -

2 stops18h 38m

Deal found 5/8£686

Fri 11/906:35 -

1 stop17h 20m

Sun 20/920:25 -

1 stop18h 05m

Deal found 3/8£656

Thu 17/906:15 -

1 stop12h 30m

Thu 24/918:45 -

Nonstop7h 05m

Deal found 3/8£679

Wed 30/910:35 -

2 stops27h 56m

Wed 28/1015:30 -

3 stops38h 30m

Deal found 6/8£686

Mon 7/906:30 -

1 stop17h 25m

Mon 14/920:25 -

1 stop11h 25m

Deal found 1/8£659

Sun 1/1121:25 -

3 stops30h 11m

Mon 9/1106:00 -

2 stops22h 50m

Deal found 2/8£689

Wed 30/907:00 -

1 stop11h 45m

Wed 7/1018:35 -

1 stop10h 45m

Deal found 5/8£698

Mon 7/912:25 -

1 stop11h 30m

Mon 14/920:25 -

1 stop11h 20m

Deal found 1/8£660

Wed 2/909:10 -

1 stop12h 00m

Tue 29/918:30 -

1 stop10h 50m

Deal found 2/8£704

Wed 23/910:35 -

2 stops27h 56m

Mon 28/915:57 -

3 stops23h 28m

Deal found 2/8£709

Thu 10/919:30 -

2 stops31h 02m

Tue 22/915:25 -

2 stops17h 35m

Deal found 3/8£678

Tue 29/910:30 -

1 stop29h 33m

Sat 10/1015:52 -

1 stop13h 48m

Deal found 5/8£716

Find flight deals from London to Delaware

Round-trip from	£587
One-way from	£347
Popular in	August
Cheapest in	September
Average price	£801

Air Canada
2/9-16/9
4 total stops
35h 34m total
London to Delaware

Search Deals

22/9
2 total stops
15h 10m total
London to Delaware

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£47 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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Tue 1/9

09:30-18:53

2 stops14h 23m

Philadelphia

Tue 8/9

10:30-06:30

2 stops15h 00m

£594

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Sun 1/11

07:30-16:05

1 stop13h 35m

Philadelphia

Mon 9/11

06:00-07:10

2 stops20h 10m

£598

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Fri 4/12

09:20-18:43

1 stop14h 23m

Philadelphia

Thu 7/1

13:30-06:55

1 stop12h 25m

£602

LondonPhiladelphia

LTN London Luton - PHL Philadelphia

LTNPHL

London Luton

Tue 1/9

09:40-18:55

1 stop14h 15m

Philadelphia

Tue 8/9

09:12-09:15

2 stops19h 03m

£618

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Mon 5/10

09:30-16:05

1 stop11h 35m

Philadelphia

Mon 12/10

15:08-06:55

1 stop10h 47m

£634

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Fri 13/11

09:40-17:40

1 stop13h 00m

Philadelphia

Sun 15/11

17:30-07:50

1 stop9h 20m

£637

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Mon 16/11

06:30-14:05

1 stop12h 35m

Philadelphia

Thu 19/11

18:35-06:35

Nonstop7h 00m

£644

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Mon 7/9

14:00-12:26

2 stops27h 26m

Philadelphia

Mon 14/9

15:30-10:00

1 stop13h 30m

£645

LondonPhiladelphia

LTN London Luton - PHL Philadelphia

LTNPHL

London Luton

Tue 29/9

09:40-18:55

1 stop14h 15m

Philadelphia

Tue 6/10

20:25-13:25

1 stop12h 00m

£652

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Sat 12/9

14:05-21:32

1 stop12h 27m

Philadelphia

Sat 26/9

06:15-06:30

2 stops19h 15m

£652

Flights are sorted by cheapest return flights first.

Deals found on 6/8

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.

LHR-PHL

LGW-PHL

STN-PHL

LCY-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

LHR-PHL

LGW-PHL

STN-PHL

LCY-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, JetBlue, and TAP AIR PORTUGAL can get you from London to Delaware in just under 14h 23m. Your travel time can differ by up to 20h 38m. London and Delaware are separated by a distance of 3533 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 £137 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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Heathrow to Tampa flights

London City to Orlando flights

Gatwick to Boston flights

Manchester to Newark flights

Heathrow to George Bush Intcntl flights

London City to Boston flights

Manchester to LaGuardia flights

Gatwick to O'Hare Intl flights

Stansted to O'Hare Intl flights

Luton to Miami flights

Gatwick to Las Vegas flights

London City to O'Hare Intl 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 £347

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 22/9. 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 7 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 7 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 7 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 7 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 7 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 7 August 2026.

Last-minute flights from London to DelawareDiscover last-minute flight deals from London to Delaware. Data last updated 7 August 2026 and is based on user searches.

Discover last-minute flight deals from London to Delaware. Data last updated 7 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 7 August 2026.

Search for one-way flight options from London to Delaware. Find affordable one-way fares based on user searches. Data last updated 7 August 2026.

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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

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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 7 August 2026.

Popular flight searches

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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 7 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 7 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 7 August 2026.

Last-minute flights from London to Delaware
Discover last-minute flight deals from London to Delaware. Data last updated 7 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 7 August 2026.