How long is the flight from London to Delaware?

Scandinavian Airlines, Delta, and United Airlines can get you from London to Delaware in just under 16h 24m. Your travel time can differ by up to 3h 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 £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.

£344+ Cheap Flights from London to Delaware

Cheap flight deals from London to Delaware

Enter your travel dates to find the best prices.

Cheapest

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 28 August 2026.

Wed 21/1019:30 -

2 stops31h 37m

Mon 26/1009:20 -

2 stops20h 00m

Deal found 23/8£581

Wed 23/909:30 -

1 stop11h 35m

Wed 30/910:50 -

2 stops29h 10m

Deal found 24/8£582

Thu 8/1006:55 -

3 stops19h 37m

Thu 15/1015:25 -

2 stops24h 35m

Deal found 24/8£583

Mon 21/908:15 -

3 stops35h 32m

Mon 28/916:20 -

2 stops19h 30m

Deal found 24/8£585

Mon 21/909:30 -

1 stop11h 35m

Mon 28/906:15 -

1 stop19h 40m

Deal found 24/8£585

Thu 8/1007:30 -

1 stop13h 35m

Thu 15/1010:40 -

1 stop15h 15m

Deal found 24/8£586

Wed 11/1106:50 -

2 stops12h 54m

Wed 18/1109:15 -

2 stops16h 55m

Deal found 23/8£586

Wed 23/914:00 -

1 stop15h 09m

Wed 30/906:00 -

2 stops23h 00m

Deal found 24/8£586

Fri 9/1008:40 -

2 stops17h 52m

Fri 16/1015:25 -

1 stop10h 05m

Deal found 24/8£587

Mon 28/907:30 -

1 stop13h 35m

Sun 4/1010:05 -

1 stop18h 55m

Deal found 24/8£588

Fri 9/1006:10 -

3 stops21h 36m

Fri 16/1017:40 -

2 stops21h 50m

Deal found 25/8£589

Thu 8/1008:45 -

2 stops17h 47m

Thu 15/1016:20 -

2 stops15h 40m

Deal found 24/8£589

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 28 August 2026.

Thu 22/1007:05 -

3 stops20h 02m

Sun 25/1014:48 -

2 stops26h 52m

Deal found 26/8£595

Thu 8/1006:30 -

1 stop17h 25m

Thu 15/1010:45 -

2 stops16h 05m

Deal found 24/8£599

Mon 12/1009:55 -

2 stops17h 12m

Mon 19/1017:29 -

2 stops13h 36m

Deal found 27/8£635

Sat 19/907:30 -

2 stops16h 24m

Thu 24/906:15 -

1 stop23h 25m

Deal found 25/8£648

Thu 19/1106:30 -

1 stop12h 30m

Mon 30/1120:55 -

1 stop10h 35m

Deal found 23/8£652

Wed 23/909:15 -

1 stop11h 50m

Mon 28/917:40 -

1 stop19h 15m

Deal found 23/8£655

Wed 9/1216:35 -

2 stops31h 08m

Mon 14/1209:30 -

3 stops30h 05m

Deal found 25/8£667

Thu 15/1014:00 -

1 stop14h 47m

Fri 16/1005:15 -

1 stop23h 45m

Deal found 25/8£610

Wed 11/1107:05 -

3 stops22h 50m

Wed 18/1114:12 -

2 stops20h 48m

Deal found 27/8£632

Mon 12/1018:30 -

1 stop26h 35m

Mon 19/1017:40 -

1 stop19h 15m

Deal found 27/8£658

Mon 28/909:15 -

Nonstop7h 55m

Mon 5/1017:32 -

1 stop9h 28m

Deal found 24/8£660

Thu 17/907:30 -

1 stop13h 35m

Sun 18/1007:00 -

2 stops33h 00m

Deal found 23/8£670

Thu 22/1010:35 -

2 stops27h 57m

Sun 25/1010:27 -

2 stops19h 23m

Deal found 26/8£677

Mon 28/910:25 -

2 stops17h 47m

Mon 5/1017:00 -

2 stops18h 00m

Deal found 24/8£684

Fri 9/1006:35 -

1 stop17h 20m

Mon 12/1020:25 -

1 stop11h 25m

Deal found 28/8£626

Mon 28/909:15 -

1 stop11h 50m

Mon 5/1017:40 -

1 stop19h 15m

Deal found 26/8£659

Thu 17/914:30 -

1 stop25h 33m

Tue 22/920:05 -

1 stop33h 35m

Deal found 27/8£665

Mon 2/1116:35 -

2 stops35h 01m

Mon 16/1118:30 -

2 stops16h 15m

Deal found 23/8£678

Fri 4/908:40 -

2 stops18h 36m

Sat 19/917:00 -

1 stop11h 15m

Deal found 27/8£685

Wed 7/1012:40 -

2 stops32h 25m

Wed 14/1017:40 -

2 stops24h 40m

Deal found 23/8£645

Thu 15/1006:40 -

3 stops20h 27m

Wed 11/1114:12 -

2 stops26h 28m

Deal found 24/8£731

Mon 2/1108:40 -

1 stop11h 45m

Mon 16/1120:50 -

1 stop16h 45m

Deal found 23/8£683

Mon 14/909:15 -

1 stop11h 50m

Mon 21/917:40 -

1 stop19h 15m

Deal found 26/8£688

Thu 17/906:00 -

2 stops32h 31m

Sun 18/1010:22 -

3 stops31h 33m

Deal found 23/8£689

Wed 16/906:15 -

1 stop17h 40m

Tue 22/920:25 -

1 stop12h 00m

Deal found 27/8£648

Wed 30/907:00 -

1 stop11h 45m

Wed 28/1018:40 -

1 stop11h 45m

Deal found 27/8£688

Wed 9/1216:35 -

2 stops31h 08m

Sun 13/1209:30 -

2 stops30h 05m

Deal found 25/8£690

Wed 23/909:15 -

1 stop11h 50m

Wed 30/917:40 -

1 stop19h 15m

Deal found 24/8£714

Thu 8/1013:00 -

3 stops32h 05m

Thu 15/1017:40 -

3 stops24h 45m

Deal found 24/8£661

Wed 14/1012:05 -

2 stops26h 27m

Sun 1/1110:27 -

2 stops29h 08m

Deal found 24/8£705

Find flight deals from London to Delaware

Round-trip from	£581
One-way from	£344
Popular in	August
Cheapest in	January
Average price	£825

Scandinavian Airlines
21/10-26/10
4 total stops
51h 37m 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

Thu 22/10

07:05-22:07

3 stops20h 02m

Philadelphia

Sun 25/10

14:48-21:40

2 stops26h 52m

£595

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Thu 8/10

06:30-18:55

1 stop17h 25m

Philadelphia

Thu 15/10

10:45-07:50

2 stops16h 05m

£599

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Thu 15/10

14:00-23:47

1 stop14h 47m

Philadelphia

Fri 16/10

05:15-10:00

1 stop23h 45m

£610

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Fri 9/10

06:35-18:55

1 stop17h 20m

Philadelphia

Mon 12/10

20:25-12:50

1 stop11h 25m

£626

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Wed 11/11

07:05-00:55

3 stops22h 50m

Philadelphia

Wed 18/11

14:12-16:00

2 stops20h 48m

£632

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Mon 12/10

09:55-22:07

2 stops17h 12m

Philadelphia

Mon 19/10

17:29-12:05

2 stops13h 36m

£635

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Wed 7/10

12:40-16:05

2 stops32h 25m

Philadelphia

Wed 14/10

17:40-23:20

2 stops24h 40m

£645

LondonPhiladelphia

LTN London Luton - PHL Philadelphia

LTNPHL

London Luton

Wed 16/9

06:15-18:55

1 stop17h 40m

Philadelphia

Tue 22/9

20:25-13:25

1 stop12h 00m

£648

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Sat 19/9

07:30-18:54

2 stops16h 24m

Philadelphia

Thu 24/9

06:15-10:40

1 stop23h 25m

£648

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Thu 19/11

06:30-14:00

1 stop12h 30m

Philadelphia

Mon 30/11

20:55-12:30

1 stop10h 35m

£652

Flights are sorted by cheapest return flights first.

Deals found on 27/8

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?
Scandinavian Airlines, Delta, and United Airlines can get you from London to Delaware in just under 16h 24m. Your travel time can differ by up to 3h 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 £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

Alternative routes

Complete your trip

Direct flights to United States

Flights by cabin class

Other flight options

Popular flights

Top destinations

Alternative routes for London to Delaware

Heathrow to John F Kennedy Intl flights

Heathrow to Newark flights

Heathrow to LaGuardia flights

Gatwick to John F Kennedy Intl flights

Stansted to John F Kennedy Intl flights

London City to John F Kennedy Intl flights

Gatwick to Newark flights

Heathrow to Miami flights

Luton to John F Kennedy Intl flights

Gatwick to LaGuardia flights

Heathrow to Orlando flights

London City to Newark flights

Stansted to Newark flights

Heathrow to Los Angeles flights

Luton to Newark flights

Heathrow to O'Hare Intl flights

Manchester to John F Kennedy Intl flights

Heathrow to Atlanta flights

Heathrow to Dallas/Fort Worth flights

Heathrow to Boston flights

Heathrow to San Francisco flights

Manchester to Orlando flights

Heathrow to Las Vegas flights

Gatwick to Miami flights

Heathrow to Dulles Intl flights

Gatwick to Orlando flights

London City to Miami flights

Stansted to Miami flights

Heathrow to Seattle flights

Heathrow to Baltimore flights

Stansted to Orlando flights

Heathrow to Hobby flights

Manchester to Newark flights

Gatwick to Los Angeles flights

Luton to Miami flights

London City to Orlando flights

Manchester to LaGuardia flights

Gatwick to Boston flights

London City to Los Angeles flights

Stansted to Los Angeles flights

Heathrow to Tampa flights

Edinburgh to Newark flights

Gatwick to Fort Lauderdale flights

Heathrow to George Bush Intcntl flights

Heathrow to Nashville flights

London City to Boston flights

Gatwick to San Francisco flights

Gatwick to O'Hare Intl flights

Edinburgh to John F Kennedy Intl flights

Heathrow to Sky Harbor Intl flights

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from London to Delaware from £344

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 28 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 28 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 28 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 28 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 28 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 28 August 2026.

Last-minute flights from London to DelawareDiscover last-minute flight deals from London to Delaware. Data last updated 28 August 2026 and is based on user searches.

Discover last-minute flight deals from London to Delaware. Data last updated 28 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 28 August 2026.

Search for one-way flight options from London to Delaware. Find affordable one-way fares based on user searches. Data last updated 28 August 2026.

Find flight deals from London to Delaware

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Delaware that are best for you.

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.

Cheapflights Insights

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 28 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.

Fly with Cheapflights

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

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 28 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 28 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 28 August 2026.

Last-minute flights from London to Delaware
Discover last-minute flight deals from London to Delaware. Data last updated 28 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 28 August 2026.