How long is the flight from London Heathrow Airport to Delaware?

Departing from London Heathrow Airport to Delaware will take you 11h 50m. Airlines will cover a distance of 3533 mi. Both multi-stop and direct flights can be found to your destination and back.

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

The cheapet airlines for a one-way flight from London Heathrow Airport to Delaware are Lufthansa (£134), Aegean Airlines (£140), and British Airways (£172).

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 airlines that fly from London Heathrow Airport to Delaware?

The most popular airlines flying from London Heathrow Airport to Delaware are Royal Jordanian, British Airways and Austrian Airlines. Something to consider prior to booking your flight.

What is the cheapest time of day to fly from LHR to DE?

When flying from London Heathrow Airport 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 Heathrow to Delaware that include hotel bookings?

Yes. In addition to deals on Heathrow to Delaware flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Heathrow to Delaware?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Delaware.

Can I find deals for business class flights from Heathrow to Delaware?

Yes. Cheapflights offers flight deals from Heathrow 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.

£282+ Flights from London Heathrow Airport to Delaware

Cheap flight deals from Heathrow to Delaware

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Delaware
Explore the most affordable flight options available from Heathrow to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 December 2025.

Thu 25/1218:30LHR - PHL

2 stops48h 05mMultiple Airlines

Thu 1/119:05PHL - LHR

1 stop30h 50mMultiple Airlines

Deal found 24/12£687

Mon 29/1209:20LHR - PHL

1 stop13h 50mJetBlue

Mon 12/113:30PHL - LHR

1 stop12h 25mJetBlue

Deal found 25/12£711

Sat 27/1209:20LHR - PHL

1 stop27h 35mJetBlue

Mon 5/119:05PHL - LHR

1 stop30h 50mJetBlue

Deal found 24/12£765

Mon 29/1206:30LHR - PHL

1 stop12h 25mBritish Airways

Mon 12/119:50PHL - LHR

Nonstop7h 00mBritish Airways

Deal found 24/12£827

Sat 27/1209:20LHR - PHL

1 stop27h 35mJetBlue

Wed 31/1208:40PHL - LHR

1 stop17h 15mJetBlue

Deal found 24/12£839

Sat 27/1207:50LHR - PHL

1 stop11h 05mBritish Airways

Mon 29/1215:08PHL - LHR

1 stop10h 52mBritish Airways

Deal found 24/12£857

Mon 29/1213:25LHR - PHL

1 stop30h 25mAir Canada

Mon 12/116:35PHL - LHR

2 stops23h 00mAir Canada

Deal found 24/12£867

Sat 27/1207:50LHR - PHL

1 stop11h 05mAmerican Airlines

Tue 6/121:25PHL - LHR

1 stop12h 10mAmerican Airlines

Deal found 25/12£867

Mon 29/1220:05LHR - PHL

2 stops30h 26mSWISS

Mon 12/113:10PHL - LHR

2 stops17h 05mSWISS

Deal found 24/12£881

Thu 25/1209:20LHR - PHL

1 stop13h 50mJetBlue

Thu 1/119:05PHL - LHR

1 stop30h 50mJetBlue

Deal found 24/12£882

Best flights from Heathrow to Delaware
Discover carefully curated flight deals from Heathrow to Delaware that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 December 2025.

Tue 17/209:20LHR - PHL

1 stop17h 47mJetBlue

Fri 20/214:52PHL - LHR

1 stop11h 03mJetBlue

Deal found 24/12£520

Thu 19/210:45LHR - PHL

1 stop13h 07mDelta

Sat 21/217:59PHL - LHR

1 stop31h 26mDelta

Deal found 23/12£531

Fri 12/616:40LHR - PHL

1 stop11h 50mUnited Airlines

Sat 27/606:10PHL - LHR

1 stop19h 45mUnited Airlines

Deal found 24/12£533

Sat 13/610:05LHR - PHL

1 stop12h 50mBritish Airways

Wed 1/715:35PHL - LHR

1 stop10h 20mBritish Airways

Deal found 24/12£546

Thu 2/406:30LHR - PHL

2 stops15h 23mVirgin Atlantic

Mon 6/411:08PHL - LHR

1 stop17h 07mVirgin Atlantic

Deal found 24/12£550

Mon 16/209:20LHR - PHL

1 stop17h 47mJetBlue

Fri 20/214:52PHL - LHR

1 stop11h 03mJetBlue

Deal found 25/12£537

Sat 13/610:05LHR - PHL

1 stop12h 50mBritish Airways

Mon 29/615:35PHL - LHR

1 stop10h 20mBritish Airways

Deal found 24/12£546

Wed 1/408:40LHR - PHL

2 stops17h 43mDelta

Sun 5/417:33PHL - LHR

1 stop12h 07mDelta

Deal found 24/12£550

Fri 13/212:00LHR - PHL

2 stops32h 24mUnited Airlines

Sat 21/220:02PHL - LHR

1 stop9h 48mUnited Airlines

Deal found 23/12£559

Sun 15/212:00LHR - PHL

2 stops32h 24mUnited Airlines

Sun 22/210:35PHL - LHR

1 stop15h 05mUnited Airlines

Deal found 24/12£559

Mon 15/607:30LHR - PHL

2 stops21h 00mUnited Airlines

Wed 1/710:15PHL - LHR

2 stops16h 25mUnited Airlines

Deal found 24/12£586

Thu 18/616:40LHR - PHL

1 stop11h 50mUnited Airlines

Thu 2/720:00PHL - LHR

2 stops16h 05mUnited Airlines

Deal found 24/12£590

Direct flights from Heathrow to Delaware
Explore direct flight options from Heathrow to Delaware based on user searches, and compare prices and availability for your desired travel dates. Data last updated 26 December 2025.

Fri 27/210:15LHR - PHL

Nonstop8h 10mMultiple Airlines

Mon 9/319:35PHL - LHR

Nonstop7h 00mMultiple Airlines

Deal found 26/12£508

Fri 24/412:30LHR - PHL

Nonstop8h 00mBritish Airways

Fri 8/518:45PHL - LHR

Nonstop7h 05mBritish Airways

Deal found 25/12£509

Fri 16/110:15LHR - PHL

Nonstop8h 15mBritish Airways

Fri 23/118:35PHL - LHR

Nonstop7h 00mBritish Airways

Deal found 26/12£510

Sun 8/210:15LHR - PHL

Nonstop8h 15mAmerican Airlines

Sun 15/218:35PHL - LHR

Nonstop7h 00mAmerican Airlines

Deal found 25/12£512

Mon 25/512:30LHR - PHL

Nonstop8h 00mBritish Airways

Fri 29/518:45PHL - LHR

Nonstop7h 05mBritish Airways

Deal found 25/12£525

Sat 14/210:15LHR - PHL

Nonstop8h 10mIberia

Mon 16/218:35PHL - LHR

Nonstop7h 00mIberia

Deal found 23/12£532

Thu 2/413:45LHR - PHL

Nonstop7h 55mBritish Airways

Mon 6/419:40PHL - LHR

Nonstop7h 10mBritish Airways

Deal found 24/12£535

Thu 2/412:30LHR - PHL

Nonstop8h 00mAmerican Airlines

Mon 6/422:20PHL - LHR

Nonstop7h 00mAmerican Airlines

Deal found 24/12£537

Wed 1/413:45LHR - PHL

Nonstop7h 55mFinnair

Tue 7/422:20PHL - LHR

Nonstop7h 00mFinnair

Deal found 24/12£543

Wed 1/413:45LHR - PHL

Nonstop7h 55mFinnair

Sun 5/418:45PHL - LHR

Nonstop7h 05mFinnair

Deal found 24/12£547

Wed 17/613:45LHR - PHL

Nonstop7h 55mBritish Airways

Wed 1/722:20PHL - LHR

Nonstop7h 00mBritish Airways

Deal found 24/12£554

Tue 16/613:45LHR - PHL

Nonstop7h 55mAmerican Airlines

Mon 29/619:55PHL - LHR

Nonstop7h 10mAmerican Airlines

Deal found 25/12£555

Last-minute flights from Heathrow to Delaware
Discover last-minute flight deals from Heathrow to Delaware. Data last updated 26 December 2025 and is based on user searches.

Fri 9/111:40LHR - PHL

1 stop13h 29mAmerican Airlines

Mon 12/118:35PHL - LHR

Nonstop7h 00mAmerican Airlines

Deal found 25/12£581

Fri 9/115:45LHR - PHL

1 stop13h 10mBritish Airways

Tue 28/419:40PHL - LHR

Nonstop7h 10mBritish Airways

Deal found 25/12£599

Sat 10/106:30LHR - PHL

1 stop12h 35mMultiple Airlines

Tue 13/119:50PHL - LHR

Nonstop7h 00mMultiple Airlines

Deal found 24/12£570

Tue 13/110:20LHR - PHL

2 stops32h 45mFinnair

Tue 20/121:25PHL - LHR

2 stops42h 15mFinnair

Deal found 24/12£555

Wed 14/110:20LHR - PHL

2 stops32h 45mFinnair

Tue 20/121:25PHL - LHR

2 stops42h 15mFinnair

Deal found 24/12£591

Thu 15/110:15LHR - PHL

Nonstop8h 15mMultiple Airlines

Fri 23/116:44PHL - LHR

1 stop9h 16mMultiple Airlines

Deal found 24/12£537

Fri 16/110:15LHR - PHL

Nonstop8h 15mBritish Airways

Fri 23/118:35PHL - LHR

Nonstop7h 00mBritish Airways

Deal found 26/12£510

Fri 16/109:15LHR - PHL

1 stop33h 25mFinnair

Tue 20/119:50PHL - LHR

Nonstop7h 00mFinnair

Deal found 24/12£602

Fri 30/112:00LHR - PHL

2 stops31h 47mAir Canada

Wed 13/510:25PHL - LHR

2 stops17h 10mAir Canada

Deal found 24/12£549

Fri 30/119:55LHR - PHL

2 stops27h 43mTAP AIR PORTUGAL

Wed 13/515:15PHL - LHR

3 stops21h 30mTAP AIR PORTUGAL

Deal found 25/12£590

One-way flights from Heathrow to Delaware
Search for one-way flight options from Heathrow to Delaware. Find affordable one-way fares based on user searches. Data last updated 26 December 2025.

Tue 24/220:50LHR - PHL

2 stops51h 01mMultiple Airlines

Deal found 25/12£282

Wed 25/209:55LHR - PHL

2 stops37h 56mMultiple Airlines

Deal found 25/12£283

Tue 27/120:50LHR - PHL

2 stops49h 40mMultiple Airlines

Deal found 25/12£297

Tue 24/209:20LHR - PHL

1 stop18h 16mJetBlue

Deal found 25/12£299

Tue 12/508:40LHR - PHL

1 stop13h 58mJetBlue

Deal found 24/12£312

Fri 27/209:55LHR - PHL

2 stops30h 16mMultiple Airlines

Deal found 25/12£318

Fri 20/209:55LHR - PHL

2 stops30h 16mMultiple Airlines

Deal found 23/12£323

Tue 20/115:15LHR - PHL

3 stops55h 15mMultiple Airlines

Deal found 24/12£325

Find flight deals from Heathrow to Delaware

Round-trip from	£509
One-way from	£282
Popular in	December
Cheapest in	February
Average price	£713

British Airways
24/4-8/5
Nonstop
15h 05m total
London to Delaware

Search Deals

24/2
2 total stops
51h 01m total
London to Delaware

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (£26 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 December 2025

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Tue 17/2

09:20-22:07

1 stop17h 47m

Philadelphia

Fri 20/2

14:52-06:55

1 stop11h 03m

£520

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Thu 19/2

10:45-18:52

1 stop13h 07m

Philadelphia

Sat 21/2

17:59-06:25

1 stop31h 26m

£531

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Fri 12/6

16:40-23:30

1 stop11h 50m

Philadelphia

Sat 27/6

06:10-06:55

1 stop19h 45m

£533

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 16/2

09:20-22:07

1 stop17h 47m

Philadelphia

Fri 20/2

14:52-06:55

1 stop11h 03m

£537

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Sat 13/6

10:05-17:55

1 stop12h 50m

Philadelphia

Wed 1/7

15:35-06:55

1 stop10h 20m

£546

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Sat 13/6

10:05-17:55

1 stop12h 50m

Philadelphia

Mon 29/6

15:35-06:55

1 stop10h 20m

£546

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Thu 2/4

06:30-16:53

2 stops15h 23m

Philadelphia

Mon 6/4

11:08-09:15

1 stop17h 07m

£550

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Wed 1/4

08:40-21:23

2 stops17h 43m

Philadelphia

Sun 5/4

17:33-10:40

1 stop12h 07m

£550

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Fri 13/2

12:00-15:24

2 stops32h 24m

Philadelphia

Sat 21/2

20:02-10:50

1 stop9h 48m

£559

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Sun 15/2

12:00-15:24

2 stops32h 24m

Philadelphia

Sun 22/2

10:35-06:40

1 stop15h 05m

£559

Flights are sorted by cheapest return flights first.

Deals found on 25/12

Showing 1-10 of 19 results

Best time to book a flight from Heathrow to Delaware

Have a flexible travel schedule? Discover the best time to fly to Delaware from Heathrow with our price prediction graph.

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 Heathrow Airport to Delaware

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 Heathrow Airport to Delaware?
Departing from London Heathrow Airport to Delaware will take you 11h 50m. Airlines will cover a distance of 3533 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from London Heathrow Airport to Delaware one-way?
The cheapet airlines for a one-way flight from London Heathrow Airport to Delaware are Lufthansa (£134), Aegean Airlines (£140), and British Airways (£172).
Can I find deals for flights from Heathrow to Delaware that include hotel bookings?
Yes. In addition to deals on Heathrow to Delaware flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Delaware?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Delaware.
Can I find deals for business class flights from Heathrow to Delaware?
Yes. Cheapflights offers flight deals from Heathrow 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

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Alternative routes for Heathrow to Delaware

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Gatwick to O'Hare Intl flights

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Direct flights to United States

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

Cheapflights makes it easy to find Heathrow to Delaware flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Delaware.

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

Need flexible booking options for your flight to Delaware from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from London Heathrow Airport to Delaware from £282

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 24/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Delaware

Cheapest flights from Heathrow to DelawareExplore the most affordable flight options available from Heathrow to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 December 2025.

Explore the most affordable flight options available from Heathrow to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 December 2025.

Find flight deals from Heathrow to Delaware

Keep the following information in mind while searching for Heathrow to Delaware flight deals. Data was last updated 26 December 2025.

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 Heathrow Airport to Delaware that are best for you.

Best time to book a flight from Heathrow to Delaware

Have a flexible travel schedule? Discover the best time to fly to Delaware from Heathrow with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Delaware

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Delaware. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from London Heathrow Airport to Delaware?

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

Can I find deals for flights from Heathrow to Delaware that include hotel bookings?

How can I find direct flights from Heathrow to Delaware?

Can I find deals for business class flights from Heathrow to Delaware?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Delaware

See prices for flight routes from nearby airports that may be better suited for you.

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

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

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

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

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Cheapest flights from Heathrow to Delaware
Explore the most affordable flight options available from Heathrow to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 December 2025.