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Cheap flights from London Heathrow Airport to Heidelberg from £45

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 20/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — FRA
5 May — 12 May1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Heidelberg are usually found in March or January, booked 73 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

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 30 April 2025.

Round-trip from

£116

One-way from

£45

Popular in

April

Cheapest in

March

Average price

£195
British Airways
  • British Airways
  • 18/6-22/6
  • Nonstop
  • 3h 20m total
  • London to Heidelberg
Search Deals
British Airways
  • British Airways
  • 20/8
  • Nonstop
  • 1h 40m total
  • London to Heidelberg
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£1 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 30 April 2025.

Tue 28/1012:45LHR - FRA
Nonstop1h 45mBritish Airways
Tue 11/1119:05FRA - LHR
Nonstop1h 50mBritish Airways
Deal found 29/4£108
Tue 17/606:55LHR - FRA
Nonstop1h 35mMultiple Airlines
Sat 21/607:00FRA - LHR
Nonstop1h 40mMultiple Airlines
Deal found 29/4£134
Tue 15/709:30LHR - FRA
Nonstop1h 35mLufthansa
Fri 25/708:00FRA - LHR
Nonstop1h 40mLufthansa
Deal found 29/4£149
Tue 10/606:40LHR - FRA
1 stop12h 05mScandinavian Airlines
Wed 11/615:20FRA - LHR
1 stop4h 10mScandinavian Airlines
Deal found 29/4£182
Fri 13/611:45LHR - FRA
1 stop4h 30mKLM
Fri 20/611:45FRA - LHR
1 stop5h 30mKLM
Deal found 29/4£191
Tue 29/419:45LHR - FRA
1 stop12h 15mAir France
Tue 27/507:05FRA - LHR
1 stop4h 25mAir France
Deal found 29/4£195
Wed 7/518:40LHR - FRA
1 stop12h 25mSWISS
Sat 17/516:30FRA - LHR
1 stop6h 15mSWISS
Deal found 29/4£213
Sat 12/707:45LHR - FRA
1 stop6h 50mBrussels Airlines
Sun 13/711:40FRA - LHR
1 stop10h 15mBrussels Airlines
Deal found 28/4£232

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 30 April 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

Wed 1/10

07:10-09:45

Nonstop1h 35m

Frankfurt am Main

Wed 1/10

20:45-21:25

Nonstop1h 40m

£116

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

Tue 17/6

06:55-09:30

Nonstop1h 35m

Frankfurt am Main

Sat 21/6

07:00-07:40

Nonstop1h 40m

£134

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

Tue 15/7

09:30-12:05

Nonstop1h 35m

Frankfurt am Main

Fri 25/7

08:00-08:40

Nonstop1h 40m

£149

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

Tue 10/6

06:40-19:45

1 stop12h 05m

Frankfurt am Main

Wed 11/6

15:20-18:30

1 stop4h 10m

£182

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

Fri 13/6

11:45-17:15

1 stop4h 30m

Frankfurt am Main

Fri 20/6

11:45-16:15

1 stop5h 30m

£191

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

Thu 3/7

11:05-15:35

1 stop3h 30m

Frankfurt am Main

Sun 6/7

16:25-20:55

1 stop5h 30m

£224

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

Mon 12/5

18:40-13:55

1 stop18h 15m

Frankfurt am Main

Tue 13/5

21:10-08:15

1 stop12h 05m

£224

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

Wed 20/8

17:10-19:50

Nonstop1h 40m

£45

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

Sat 11/10

10:30-13:05

Nonstop1h 35m

£69

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

Wed 16/7

22:15-10:15

1 stop11h 00m

£87

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 20 results
1
2

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 25 April 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 73 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 June is currently the most expensive (average of £281). 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 30 April 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 Tuesday mornings 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 30 April 2025.

The most flights from LHR to HE1 are scheduled on a Tuesday (43 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (22 on average).

Rainfall in Heidelberg by month

Plan your trip to Heidelberg by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Heidelberg ranges from 40.0 - 70.0 inches per month. June is typically the wettest month, when rainfall can reach 70.0 mm. January is typically the driest time to visit Heidelberg when rainfall is around 40.0 mm.

Temperature in Heidelberg by month

Plan your trip to Heidelberg by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Heidelberg, 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 18.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

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 30 April 2025.
Read through reviews of airlines operating flights from London to Heidelberg, such as Aegean Airlines, KLM and LOT. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Overall

8.1

Crew

8.6

Food

7.3

Boarding

7.8

Entertainment

6.9

Comfort

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
Aegean Airlines
8.1
Very Good
739 reviews
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Overall

8.1

Crew

8.6

Food

7.3

Boarding

7.8

Entertainment

6.9

Comfort

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
KLM
7.8
Good
1,333 reviews
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Overall

8.1

Crew

8.6

Food

7.3

Boarding

7.8

Entertainment

6.9

Comfort

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
LOT
7.6
Good
1,069 reviews
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Overall

8.1

Crew

8.6

Food

7.3

Boarding

7.8

Entertainment

6.9

Comfort

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
Finnair
7.6
Good
1,273 reviews
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Overall

8.1

Crew

8.6

Food

7.3

Boarding

7.8

Entertainment

6.9

Comfort

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
Austrian Airlines
7.6
Good
780 reviews
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Overall

8.1

Crew

8.6

Food

7.3

Boarding

7.8

Entertainment

6.9

Comfort

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?

    £45 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 Lufthansa and Aegean Airlines, with prices starting from £69 and £87, 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 (90%), American Airlines (88%) or ANA (88%) 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 £1,670, our data shows the cheapest flight currently is £90. 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 June is currently the most expensive (average of £281). 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

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Alternative routes for Heathrow to Heidelberg

See prices for flight routes from nearby airports that may be better suited for you.
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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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£95Average£146FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£107Average£181FlexibilityNo cancel feeOn-time76%
Search Finnair flights
EurowingsCheapest£109Average£169FlexibilityNo cancel feeOn-time87%
Search Eurowings flights
LufthansaCheapest£120Average£193FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
SWISSCheapest£138Average£205FlexibilityNo cancel feeOn-time79%
Search SWISS flights
KLMCheapest£162Average£212FlexibilityNo 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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