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Cheap flights from London Heathrow Airport to Heidelberg from £40

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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — FRA
16 juil. — 23 juil.1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Heidelberg are usually found in March or January, booked 88 days in advance, depart on a Friday or Thursday and return on a Sunday

Cheap flight deals from Heathrow to Heidelberg

Keep the following information in mind while searching for Heathrow to Heidelberg flight deals. Data was last updated 11 juillet 2025.

Round-trip from

£108

One-way from

£40

Popular in

April

Cheapest in

March

Average price

£166
British Airways
  • British Airways
  • 8/10-22/10
  • Nonstop
  • 3h 25m total
  • London to Heidelberg
British Airways
  • British Airways
  • 17/9
  • Nonstop
  • 1h 40m total
  • London to Heidelberg
Highest demand for flights based on searches. 1% potential increase in price (£1 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Heathrow to Heidelberg

Cheapest flights from Heathrow to Heidelberg
Explore the most affordable flight options available from Heathrow to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 juillet 2025.

mer. 8/1017:10LHR - FRA
Nonstop1h 40mBritish Airways
mer. 22/1006:35FRA - LHR
Nonstop1h 45mBritish Airways
Deal found 9/7£108
jeu. 14/818:30LHR - FRA
Nonstop1h 35mLufthansa
mar. 19/820:00FRA - LHR
Nonstop1h 40mLufthansa
Deal found 9/7£122
dim. 31/808:30LHR - FRA
Nonstop1h 35mMultiple Airlines
mar. 9/914:50FRA - LHR
1 stop4h 00mMultiple Airlines
Deal found 9/7£138

Cheapflights Fare Finder

Customise your flight search to find flights from Heathrow 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 11 juillet 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Heidelberg that are best for you.

Fly from

Heathrow

Fly to

Heidelberg

Route

Depart

Return

Price

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

mer. 8/10

17:10-19:50

Nonstop1h 40m

Frankfurt am Main

mer. 22/10

06:35-07:20

Nonstop1h 45m

£108

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

jeu. 14/8

19:30-22:05

Nonstop1h 35m

Frankfurt am Main

sam. 16/8

07:00-07:40

Nonstop1h 40m

£122

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

dim. 31/8

08:30-11:05

Nonstop1h 35m

Frankfurt am Main

mar. 9/9

14:50-17:50

1 stop4h 00m

£138

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

mer. 17/9

17:10-19:50

Nonstop1h 40m

£40

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

dim. 20/7

19:25-19:30

1 stop23h 05m

£67

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

mar. 14/10

06:30-09:05

Nonstop1h 35m

£68

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

sam. 20/9

07:45-15:35

1 stop6h 50m

£82

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

mer. 27/8

12:15-10:15

1 stop21h 00m

£87

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

mer. 17/9

20:45-08:20

1 stop10h 35m

£88

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Best time to book a flight from Heathrow to Heidelberg

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

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Heidelberg. Price data was last updated on 27 June 2025.

The price you pay for your flight from London Heathrow Airport to Heidelberg may vary depending on when you book. For the best chance of a lower fare, look to book 88 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Heidelberg (average of £187). Flying from London Heathrow Airport to Heidelberg in July is currently the most expensive (average of £255). 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 LHR to HE1?

Find hourly flight availability from Heathrow 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 11 juillet 2025.

When flying from London Heathrow Airport to Heidelberg, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Use this chart to determine the cheapest time to fly return from Heathrow to Heidelberg. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London Heathrow Airport to Heidelberg flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London Heathrow Airport to Heidelberg

Explore weekly flight availability from Heathrow 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 11 juillet 2025.

The most flights from LHR to HE1 are scheduled on a Thursday (44 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (26 on average).

How much does it cost for a return flight from London Heathrow Airport 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 11 juillet 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Heidelberg, such as Aegean Airlines, Brussels Airlines, andLufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

6.9

Crew

8.6

Comfort

7.8

Food

7.4

Overall

8.2

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Entertainment

6.9

Crew

8.6

Comfort

7.8

Food

7.4

Overall

8.2

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Entertainment

6.9

Crew

8.6

Comfort

7.8

Food

7.4

Overall

8.2

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Entertainment

6.9

Crew

8.6

Comfort

7.8

Food

7.4

Overall

8.2

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Entertainment

6.9

Crew

8.6

Comfort

7.8

Food

7.4

Overall

8.2

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Entertainment

6.9

Crew

8.6

Comfort

7.8

Food

7.4

Overall

8.2

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Heidelberg. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from London Heathrow Airport to Heidelberg one-way?

    £40 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on Air Serbia and Lufthansa, with prices starting from £67 and £68, respectively.

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

    No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Heidelberg consider choosing Aegean Airlines (85%), British Airways (82%) or United Airlines (81%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London Heathrow Airport to Heidelberg?

    While on average a flight from London Heathrow Airport to Heidelberg is generally £2,120, our data shows the cheapest flight currently is £85. When looking at the most popular route, (London Heathrow - Frankfurt am Main), you can expect to pay £108 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow Airport to Heidelberg?

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Heidelberg (average of £187). Flying from London Heathrow Airport to Heidelberg in July is currently the most expensive (average of £255). 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

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.

Top 6 airlines flying from Heathrow to Heidelberg

Discover the top 6 airlines that operate flights from Heathrow 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 11 juillet 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£93Average£142FlexibilityNo cancel feeOn-time70%
Search British Airways flights
EurowingsCheapest£95Average£157FlexibilityNo cancel feeOn-time87%
Search Eurowings flights
FinnairCheapest£106Average£179FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£121Average£193FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
SWISSCheapest£140Average£212FlexibilityNo cancel feeOn-time79%
Search SWISS flights
KLMCheapest£150Average£238FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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

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

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 Heidelberg.

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

Need flexible booking options for your flight to Heidelberg from Heathrow? 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 Heathrow to Heidelberg become cheaper?

Of course! You can now track prices for flights from Heathrow to Heidelberg and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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