How long is the flight from London to Delaware?

United Airlines, British Airways, and TAP AIR PORTUGAL can get you from London to Delaware in just under 12h 35m. Your travel time can differ by up to 28h 16m. 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 £135 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.

£348+ 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 10 August 2026.

Wed 2/906:00 -

2 stops20h 34m

Wed 16/910:30 -

2 stops15h 00m

Deal found 5/8£585

Wed 2/909:30 -

1 stop11h 35m

Wed 16/910:30 -

2 stops15h 00m

Deal found 5/8£586

Sun 27/914:00 -

1 stop24h 05m

Wed 7/1014:50 -

1 stop14h 10m

Deal found 5/8£587

Mon 28/907:45 -

2 stops20h 45m

Mon 5/1015:08 -

1 stop14h 32m

Deal found 5/8£590

Wed 9/1206:30 -

1 stop12h 35m

Mon 14/1221:10 -

1 stop10h 20m

Deal found 5/8£591

Fri 25/914:00 -

1 stop24h 05m

Sat 3/1015:30 -

1 stop13h 30m

Deal found 5/8£591

Tue 29/909:30 -

2 stops19h 00m

Wed 7/1011:20 -

1 stop14h 25m

Deal found 5/8£592

Tue 29/909:30 -

2 stops19h 00m

Mon 5/1009:34 -

1 stop16h 11m

Deal found 6/8£593

Sat 26/914:00 -

1 stop15h 09m

Wed 7/1014:50 -

1 stop14h 10m

Deal found 5/8£593

Wed 7/1009:30 -

1 stop10h 17m

Wed 21/1010:40 -

2 stops17h 55m

Deal found 5/8£594

Fri 25/914:00 -

1 stop15h 09m

Wed 7/1014:50 -

1 stop14h 10m

Deal found 6/8£594

Wed 9/1213:00 -

1 stop30h 44m

Sun 13/1210:15 -

2 stops39h 55m

Deal found 5/8£595

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 August 2026.

Mon 2/1111:10 -

2 stops17h 20m

Sat 28/1109:15 -

2 stops30h 45m

Deal found 7/8£612

Wed 11/1106:30 -

1 stop12h 35m

Wed 18/1118:38 -

1 stop9h 37m

Deal found 6/8£623

Sat 24/1011:20 -

3 stops34h 45m

Sat 31/1017:05 -

2 stops19h 35m

Deal found 7/8£633

Fri 13/1110:45 -

3 stops40h 51m

Sun 15/1118:30 -

2 stops21h 05m

Deal found 5/8£665

Wed 16/1210:00 -

2 stops38h 28m

Tue 5/117:38 -

2 stops34h 22m

Deal found 7/8£708

Wed 16/1207:30 -

2 stops19h 02m

Sat 16/120:00 -

2 stops30h 10m

Deal found 5/8£613

Mon 2/1106:30 -

1 stop12h 35m

Mon 16/1119:50 -

Nonstop7h 00m

Deal found 9/8£625

Mon 21/905:40 -

3 stops20h 52m

Mon 28/915:25 -

2 stops17h 55m

Deal found 7/8£639

Wed 30/910:35 -

2 stops27h 56m

Wed 7/1018:48 -

2 stops20h 42m

Deal found 5/8£674

Mon 5/1009:30 -

1 stop11h 35m

Mon 12/1015:08 -

1 stop10h 47m

Deal found 5/8£632

Thu 24/910:25 -

2 stops17h 47m

Thu 1/1013:24 -

2 stops15h 01m

Deal found 7/8£710

Thu 10/909:25 -

1 stop14h 30m

Wed 23/920:25 -

1 stop14h 00m

Deal found 9/8£654

Wed 30/909:35 -

1 stop13h 10m

Wed 28/1021:45 -

1 stop16h 50m

Deal found 8/8£682

Tue 22/916:25 -

2 stops34h 38m

Tue 29/915:57 -

3 stops23h 28m

Deal found 7/8£684

Thu 8/1007:30 -

1 stop13h 35m

Sat 24/1006:15 -

2 stops20h 55m

Deal found 5/8£638

Fri 13/1112:55 -

2 stops32h 05m

Sun 15/1115:20 -

2 stops18h 05m

Deal found 5/8£655

Sun 27/919:05 -

1 stop23h 40m

Wed 7/1018:35 -

1 stop10h 45m

Deal found 5/8£685

Thu 24/910:35 -

2 stops27h 56m

Thu 15/1015:25 -

3 stops24h 00m

Deal found 7/8£691

Wed 2/909:30 -

1 stop11h 35m

Sun 6/918:56 -

1 stop32h 34m

Deal found 4/8£650

Mon 7/906:30 -

1 stop17h 25m

Mon 14/920:25 -

1 stop18h 00m

Deal found 8/8£656

Mon 5/1010:35 -

2 stops27h 57m

Mon 19/1006:00 -

2 stops22h 45m

Deal found 8/8£694

Thu 1/1015:50 -

1 stop26h 20m

Wed 7/1018:20 -

1 stop21h 50m

Deal found 5/8£705

Fri 13/1114:10 -

2 stops30h 50m

Sun 15/1115:20 -

2 stops26h 40m

Deal found 5/8£657

Mon 2/1121:35 -

3 stops30h 01m

Mon 16/1118:30 -

3 stops21h 05m

Deal found 9/8£697

Wed 16/1208:40 -

1 stop11h 55m

Sat 16/121:10 -

1 stop10h 30m

Deal found 6/8£723

Fri 11/906:20 -

1 stop17h 35m

Thu 17/920:25 -

1 stop11h 00m

Deal found 7/8£669

Fri 23/1010:35 -

2 stops28h 15m

Fri 30/1018:30 -

3 stops33h 50m

Deal found 6/8£709

Mon 2/1106:50 -

1 stop12h 15m

Mon 16/1121:10 -

1 stop10h 30m

Deal found 9/8£729

Sun 30/822:05 -

3 stops21h 44m

Sun 6/916:20 -

2 stops23h 05m

Deal found 6/8£671

Wed 9/1208:40 -

1 stop11h 55m

Sun 13/1221:10 -

1 stop11h 40m

Deal found 5/8£738

Find flight deals from London to Delaware

Round-trip from	£585
One-way from	£348
Popular in	August
Cheapest in	January
Average price	£808

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

Search Deals

27/10
3 total stops
32h 02m total
London to Delaware

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£49 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 2/11

11:10-23:30

2 stops17h 20m

Philadelphia

Sat 28/11

09:15-21:00

2 stops30h 45m

£612

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Wed 16/12

07:30-21:32

2 stops19h 02m

Philadelphia

Sat 16/1

20:00-07:10

2 stops30h 10m

£613

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Wed 11/11

06:30-14:05

1 stop12h 35m

Philadelphia

Wed 18/11

18:38-09:15

1 stop9h 37m

£623

Fastest return journey

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Mon 2/11

06:30-14:05

1 stop12h 35m

Philadelphia

Mon 16/11

19:50-07:50

Nonstop7h 00m

£625

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

£632

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Sat 24/10

11:20-17:05

3 stops34h 45m

Philadelphia

Sat 31/10

17:05-16:40

2 stops19h 35m

£633

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Thu 8/10

07:30-16:05

1 stop13h 35m

Philadelphia

Sat 24/10

06:15-08:10

2 stops20h 55m

£638

LondonPhiladelphia

LTN London Luton - PHL Philadelphia

LTNPHL

London Luton

Mon 21/9

05:40-21:32

3 stops20h 52m

Philadelphia

Mon 28/9

15:25-14:20

2 stops17h 55m

£639

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Wed 2/9

09:30-16:05

1 stop11h 35m

Philadelphia

Sun 6/9

18:56-08:30

1 stop32h 34m

£650

LondonPhiladelphia

LTN London Luton - PHL Philadelphia

LTNPHL

London Luton

Thu 10/9

09:25-18:55

1 stop14h 30m

Philadelphia

Wed 23/9

20:25-15:25

1 stop14h 00m

£654

Flights are sorted by cheapest return flights first.

Deals found on 5/8

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

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

LHR-PHL

LGW-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?
United Airlines, British Airways, and TAP AIR PORTUGAL can get you from London to Delaware in just under 12h 35m. Your travel time can differ by up to 28h 16m. 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 £135 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

London City to John F Kennedy Intl flights

Gatwick to Newark flights

Stansted to John F Kennedy Intl flights

Heathrow to Orlando flights

Heathrow to Los Angeles flights

Gatwick to LaGuardia flights

Heathrow to Miami flights

Luton to John F Kennedy Intl flights

Heathrow to Boston flights

Stansted to Newark flights

Manchester to John F Kennedy Intl flights

Manchester to Orlando flights

Luton to Newark flights

London City to Newark flights

Heathrow to San Francisco flights

Gatwick to Orlando flights

Heathrow to Dallas/Fort Worth flights

Heathrow to Dulles Intl flights

Heathrow to O'Hare Intl flights

Heathrow to Las Vegas flights

Stansted to Orlando flights

Heathrow to Baltimore flights

Gatwick to Los Angeles flights

Gatwick to Miami flights

Heathrow to Seattle flights

London City to Los Angeles flights

Heathrow to Hobby flights

Heathrow to Atlanta flights

Stansted to Los Angeles flights

London City to Orlando flights

Stansted to Miami flights

London City to Miami flights

Heathrow to Tampa flights

Gatwick to Boston flights

Luton to Los Angeles flights

Heathrow to Ontario flights

Manchester to Newark flights

London City to Boston flights

Heathrow to George Bush Intcntl flights

Manchester to LaGuardia flights

Luton to Miami flights

Luton to Orlando flights

Gatwick to Las Vegas flights

Gatwick to San Francisco flights

Stansted to Boston flights

Heathrow to Nashville 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 £348

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 27/10. 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 10 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 10 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 10 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 10 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 10 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 10 August 2026.

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

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

Search for one-way flight options from London to Delaware. Find affordable one-way fares based on user searches. Data last updated 10 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 10 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 10 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 10 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 10 August 2026.

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