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Cheap flights from London to Heidelberg from £42

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — FRA
8 Feb — 15 Feb1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Heidelberg are usually found in September or May, booked 62 days in advance, depart on a Friday or Monday and return on a Sunday

Cheap flight deals from London to Heidelberg

Keep the following information in mind while searching for London to Heidelberg flight deals. Data was last updated 9 January 2026.

Round-trip from

£103

One-way from

£42

Popular in

December

Cheapest in

September

Average price

£121
British Airways
  • British Airways
  • 3/7-6/7
  • Nonstop
  • 3h 25m total
  • London to Heidelberg
Search Deals
easyJet
  • easyJet
  • 4/3
  • 1 total stop
  • 11h 40m total
  • London to Heidelberg
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£16 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find flight deals from London to Heidelberg

Enter your travel dates to find the best prices.

Cheapest flights from London to Heidelberg
Explore the most affordable flight options available from London to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 January 2026.

Fri 3/720:00LHR - FRA
Nonstop1h 40mBritish Airways
Mon 6/706:35FRA - LHR
Nonstop1h 45mBritish Airways
Deal found 7/1£103
Thu 19/206:40LGW - FRA
1 stop11h 40measyJet
Mon 23/220:10FRA - LGW
1 stop16h 05measyJet
Deal found 8/1£104
Mon 23/219:15LHR - FRA
Nonstop1h 45mBritish Airways
Thu 26/211:25FRA - LHR
Nonstop1h 55mBritish Airways
Deal found 8/1£107
Mon 2/210:25LGW - FRA
1 stop7h 55measyJet
Thu 5/209:10FRA - LGW
1 stop6h 45measyJet
Deal found 7/1£107
Fri 20/215:35LGW - FRA
1 stop15h 45measyJet
Tue 24/220:10FRA - LGW
1 stop16h 05measyJet
Deal found 7/1£109
Tue 27/115:25LHR - FRA
Nonstop1h 45mBritish Airways
Tue 3/211:25FRA - LHR
Nonstop1h 55mBritish Airways
Deal found 8/1£110
Tue 3/210:25LGW - FRA
1 stop7h 55measyJet
Tue 10/209:10FRA - LGW
1 stop6h 45measyJet
Deal found 6/1£110
Tue 3/210:25LGW - FRA
1 stop7h 55measyJet
Thu 5/209:10FRA - LGW
1 stop6h 45measyJet
Deal found 6/1£111
Mon 2/210:25LGW - FRA
1 stop7h 55measyJet
Wed 4/209:10FRA - LGW
1 stop6h 45measyJet
Deal found 7/1£112
Mon 23/215:45LGW - FRA
1 stop15h 35measyJet
Sun 1/320:20FRA - LGW
1 stop19h 35measyJet
Deal found 6/1£112
Fri 18/919:40LGW - FRA
Nonstop1h 30mCondor
Sun 20/908:20FRA - LGW
Nonstop1h 35mCondor
Deal found 6/1£113
Tue 3/210:25LGW - FRA
1 stop7h 55measyJet
Wed 11/209:10FRA - LGW
1 stop6h 45measyJet
Deal found 8/1£114

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Heidelberg that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 9 January 2026.
Use the filters below to find and compare flights from London to Heidelberg that are best for you.

Fly from

London

Fly to

Heidelberg

Route

Depart

Return

Price

LondonFrankfurt am Main

LGW - FRA

LGWFRA

London Gatwick

Thu 19/2

06:40-19:20

1 stop11h 40m

Frankfurt am Main

Mon 23/2

20:10-11:15

1 stop16h 05m

£104

LondonFrankfurt am Main

LGW - FRA

LGWFRA

London Gatwick

Fri 20/2

15:35-08:20

1 stop15h 45m

Frankfurt am Main

Tue 24/2

20:10-11:15

1 stop16h 05m

£109

LondonFrankfurt am Main

LGW - FRA

LGWFRA

London Gatwick

Tue 3/2

10:25-19:20

1 stop7h 55m

Frankfurt am Main

Tue 10/2

09:10-14:55

1 stop6h 45m

£110

LondonFrankfurt am Main

LGW - FRA

LGWFRA

London Gatwick

Tue 3/2

10:25-19:20

1 stop7h 55m

Frankfurt am Main

Thu 5/2

09:10-14:55

1 stop6h 45m

£111

LondonFrankfurt am Main

LGW - FRA

LGWFRA

London Gatwick

Mon 23/2

15:45-08:20

1 stop15h 35m

Frankfurt am Main

Sun 1/3

20:20-14:55

1 stop19h 35m

£112

LondonFrankfurt am Main

STN - FRA

STNFRA

London Stansted

Thu 22/1

06:30-19:20

1 stop11h 50m

Frankfurt am Main

Mon 26/1

10:45-23:00

1 stop13h 15m

£115

LondonFrankfurt am Main

LGW - FRA

LGWFRA

London Gatwick

Mon 23/2

15:45-08:20

1 stop15h 35m

Frankfurt am Main

Wed 4/3

09:10-14:55

1 stop6h 45m

£115

LondonFrankfurt am Main

LGW - FRA

LGWFRA

London Gatwick

Sat 21/2

10:25-18:35

1 stop7h 10m

Frankfurt am Main

Mon 23/2

20:10-11:15

1 stop16h 05m

£118

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

Fri 6/2

13:30-16:05

Nonstop1h 35m

Frankfurt am Main

Mon 9/2

18:05-18:45

Nonstop1h 40m

£120

LondonFrankfurt am Main

LTN - FRA

LTNFRA

London Luton

Wed 21/1

20:50-08:20

1 stop10h 30m

Frankfurt am Main

Thu 22/1

10:45-17:05

1 stop7h 20m

£122

Flights are sorted by cheapest return flights first.

Deals found on 7/1

Showing 1-10 of 60 results
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Best time to book a flight from London to Heidelberg

Have a flexible travel schedule? Discover the best time to fly to Heidelberg from London 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 to Heidelberg

How far ahead should I book a flight from London to Heidelberg?

Use this chart to determine the optimal time to book a return flight from London to Heidelberg. Price data was last updated on 2 January 2026.

To ensure you get the cheapest price possible for a flight from London to Heidelberg, you should look to book at least 30 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London to Heidelberg?

Currently, March is the cheapest month in which you can book a flight from London to Heidelberg (average of £14). Flying from London to Heidelberg in August is currently the most expensive (average of £36). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LON to HE1?

Find hourly flight availability from London to Heidelberg. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 9 January 2026.

It’s optimal to fly from London to Heidelberg at midday. By choosing this option you can save up to 51% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from London to Heidelberg?

Use this chart to determine the cheapest time to fly return from London to Heidelberg. Price data was last updated on 3 January 2026.

Travellers seeking maximum savings on their London to Heidelberg flight should consider departing on Thursday at midday when fares are most often at their lowest. Monday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London to Heidelberg

Explore weekly flight availability from London to Heidelberg. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 9 January 2026.

The most flights from LON to HE1 are scheduled on a Friday (52 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (28 on average).

How much does it cost for a return flight from London to Heidelberg?

Reviews of airlines servicing Heidelberg

Get insights into the airlines that provide service to Heidelberg. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heidelberg. Reviews last updated 9 January 2026.
Check out reviews from past customers who have flown with Ryanair, Lufthansa, andBritish Airways from London to Heidelberg to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Ryanair
6.9
Okay
5,245 reviews
Check prices

Overall

6.9

Comfort

6.5

Boarding

6.7

Food

6.0

Crew

7.5

Entertainment

5.6

Reviews

1 / 20
2.0
Mediocre

brendan,Sept 2025

MAN - NTE

It would have been better if I had a flown with Ryanair but I was ill and warm be coming back on the return flight
Ryanair
6.9
Okay
5,245 reviews
Ryanair
6.9
Okay
5,245 reviews
Check prices

Overall

6.9

Comfort

6.5

Boarding

6.7

Food

6.0

Crew

7.5

Entertainment

5.6

Reviews

1 / 20
2.0
Mediocre

brendan,Sept 2025

MAN - NTE

It would have been better if I had a flown with Ryanair but I was ill and warm be coming back on the return flight
Lufthansa
6.8
Okay
7,698 reviews
Ryanair
6.9
Okay
5,245 reviews
Check prices

Overall

6.9

Comfort

6.5

Boarding

6.7

Food

6.0

Crew

7.5

Entertainment

5.6

Reviews

1 / 20
2.0
Mediocre

brendan,Sept 2025

MAN - NTE

It would have been better if I had a flown with Ryanair but I was ill and warm be coming back on the return flight
British Airways
6.7
Okay
7,659 reviews
Ryanair
6.9
Okay
5,245 reviews
Check prices

Overall

6.9

Comfort

6.5

Boarding

6.7

Food

6.0

Crew

7.5

Entertainment

5.6

Reviews

1 / 20
2.0
Mediocre

brendan,Sept 2025

MAN - NTE

It would have been better if I had a flown with Ryanair but I was ill and warm be coming back on the return flight
Ryanair
6.4
Okay
Ryanair
6.9
Okay
5,245 reviews
Check prices

Overall

6.9

Comfort

6.5

Boarding

6.7

Food

6.0

Crew

7.5

Entertainment

5.6

Reviews

1 / 20
2.0
Mediocre

brendan,Sept 2025

MAN - NTE

It would have been better if I had a flown with Ryanair but I was ill and warm be coming back on the return flight

Related info for your journey

Find useful and relevant information for your journey from London to Heidelberg. 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 to Heidelberg?

    Departing from London to Heidelberg will take you 1h 35m. The distance between London and Heidelberg is about 406 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    To fly one-way, consider booking your trip with Ryanair, which is currently one of the cheapest options available, starting at £15. British Airways flights start at £49 while deals on Air Serbia start at £66 one-way.

  • What are the most popular routes from London to Heidelberg?

    The most popular route from London to Heidelberg is London Gatwick - Frankfurt am Main. You may also consider London Luton - Frankfurt am Main or London City - Frankfurt am Main.

  • What are the most reliable airlines from London to Heidelberg?

    No one likes to see their flight delayed. When booking a flight from London to Heidelberg consider choosing JetBlue (90%), Japan Airlines (87%) or American Airlines (84%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London to Heidelberg?

    On average you can expect to pay £1,801 for a flight from London to Heidelberg. The cheapest flight overall is £65 while the most popular route, (London Gatwick - Frankfurt am Main) is currently priced at £97.

  • Can I find deals for flights from London to Heidelberg that include hotel bookings?

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

  • How can I find direct flights from London to Heidelberg?

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

  • Can I find deals for business class flights from London to Heidelberg?

    Yes. Cheapflights offers flight deals from London to Heidelberg by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London to Heidelberg?

    Currently, March is the cheapest month in which you can book a flight from London to Heidelberg (average of £14). Flying from London to Heidelberg in August is currently the most expensive (average of £36). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for London to Heidelberg

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from London to Heidelberg

Discover the top 9 airlines that operate flights from London to Heidelberg. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 9 January 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£26Average£62FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£52Average£162FlexibilityNo cancel feeOn-time70%
Search British Airways flights
EurowingsCheapest£96Average£159FlexibilityNo cancel feeOn-time87%
Search Eurowings flights
CondorCheapest£111Average£124FlexibilityNo cancel feeOn-time76%
Search Condor flights
LufthansaCheapest£122Average£186FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£139Average£241FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air DolomitiCheapest£147Average£189FlexibilityNo cancel feeOn-time87%
Search Air Dolomiti flights
SWISSCheapest£170Average£219FlexibilityNo cancel feeOn-time79%
Search SWISS flights
VuelingCheapest£195Average£280FlexibilityNo cancel feeOn-time88%
Search Vueling flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find London to Heidelberg 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 London to Heidelberg?

Cheapflights helps you find that perfect flight to Heidelberg from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

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

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

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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