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

£50 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 Scandinavian Airlines, with prices starting from £57 and £77, respectively.

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

While on average a flight from London Heathrow Airport to Heidelberg is generally £1,029, our data shows the cheapest flight currently is £87. When looking at the most popular route, (London Heathrow - Frankfurt am Main), you can expect to pay £103 for that flight.

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 JetBlue (75%), Qatar Airways (74%) or Aegean Airlines (69%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from London Heathrow Airport to Heidelberg?

Finnair, British Airways and KLM are the most popular airlines when flying from London Heathrow Airport to Heidelberg.

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

Flights from London Heathrow Airport to Heidelberg lean towards being more expensive in June. Prices are generally better when you fly from London Heathrow Airport to Heidelberg in September, with the cheapest ticket starting at £33.

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.

£50+ Flights from London Heathrow Airport to Heidelberg

The best prices from London Heathrow to Heidelberg are usually found in February or March, booked 73 days in advance, depart on a Wednesday or Thursday and return on a Saturday

Cheap flight deals from Heathrow to Heidelberg

Round-trip from	£106
One-way from	£50
Popular in	June
Cheapest in	February
Average price	£165

British Airways
23/4-13/5
Nonstop
3h 20m total
London to Heidelberg

Search Deals

British Airways
30/4
Nonstop
1h 35m total
London to Heidelberg

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£14 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 January 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 22 January 2025.

Wed 23/407:10LHR - FRA

Nonstop1h 35mBritish Airways

Tue 13/506:40FRA - LHR

Nonstop1h 45mBritish Airways

Deal found 20/1£106

Tue 12/813:30LHR - FRA

Nonstop1h 35mLufthansa

Tue 26/817:00FRA - LHR

Nonstop1h 40mLufthansa

Deal found 21/1£111

Fri 5/906:55LHR - FRA

Nonstop1h 35mMultiple Airlines

Sun 7/916:00FRA - LHR

Nonstop1h 40mMultiple Airlines

Deal found 21/1£130

Sat 1/317:25LHR - FRA

1 stop15h 35mSWISS

Sun 2/316:20FRA - LHR

1 stop19h 55mSWISS

Deal found 21/1£177

Thu 20/210:20LHR - FRA

1 stop8h 25mScandinavian Airlines

Mon 24/216:05FRA - LHR

1 stop6h 35mScandinavian Airlines

Deal found 21/1£183

Tue 18/206:30LHR - FRA

1 stop3h 35mKLM

Tue 25/210:15FRA - LHR

1 stop4h 35mKLM

Deal found 21/1£184

Thu 5/611:05LHR - FRA

1 stop3h 30mBrussels Airlines

Sun 8/619:35FRA - LHR

1 stop22h 30mBrussels Airlines

Deal found 21/1£198

Thu 30/114:45LHR - FRA

1 stop6h 20mAir France

Mon 24/212:00FRA - LHR

1 stop5h 35mAir France

Deal found 21/1£217

Best flights from Heathrow to Heidelberg
Discover carefully curated flight deals from Heathrow to Heidelberg that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 January 2025.

Wed 23/407:10LHR - FRA

Nonstop1h 35mBritish Airways

Tue 13/506:40FRA - LHR

Nonstop1h 45mBritish Airways

Deal found 20/1£106

Tue 15/715:30LHR - FRA

Nonstop1h 35mLufthansa

Tue 29/707:00FRA - LHR

Nonstop1h 40mLufthansa

Deal found 21/1£112

Tue 15/406:55LHR - FRA

Nonstop1h 35mMultiple Airlines

Tue 29/416:00FRA - LHR

Nonstop1h 40mMultiple Airlines

Deal found 21/1£133

Sat 1/317:25LHR - FRA

1 stop15h 35mSWISS

Sun 2/316:20FRA - LHR

1 stop19h 55mSWISS

Deal found 21/1£177

Thu 20/210:20LHR - FRA

1 stop8h 25mScandinavian Airlines

Mon 24/216:05FRA - LHR

1 stop6h 35mScandinavian Airlines

Deal found 21/1£183

Tue 18/211:45LHR - FRA

1 stop5h 55mKLM

Tue 4/314:15FRA - LHR

1 stop3h 45mKLM

Deal found 21/1£184

Thu 5/611:05LHR - FRA

1 stop3h 30mBrussels Airlines

Sun 8/619:35FRA - LHR

1 stop22h 30mBrussels Airlines

Deal found 21/1£198

Direct flights from Heathrow to Heidelberg
Explore direct flight options from Heathrow to Heidelberg based on user searches, and compare prices and availability for your desired travel dates. Data last updated 22 January 2025.

Wed 23/407:10LHR - FRA

Nonstop1h 35mBritish Airways

Tue 13/506:40FRA - LHR

Nonstop1h 45mBritish Airways

Deal found 20/1£106

Tue 15/715:30LHR - FRA

Nonstop1h 35mLufthansa

Tue 29/707:00FRA - LHR

Nonstop1h 40mLufthansa

Deal found 21/1£112

Tue 15/406:55LHR - FRA

Nonstop1h 35mMultiple Airlines

Tue 29/416:00FRA - LHR

Nonstop1h 40mMultiple Airlines

Deal found 21/1£133

Last-minute flights from Heathrow to Heidelberg
Discover last-minute flight deals from Heathrow to Heidelberg. Data last updated 22 January 2025 and is based on user searches.

Tue 21/122:15LHR - FRA

1 stop11h 10mAegean Airlines

Sat 25/111:15FRA - LHR

1 stop11h 00mAegean Airlines

Deal found 21/1£262

Mon 27/116:30LHR - FRA

Nonstop1h 35mLufthansa

Wed 29/109:00FRA - LHR

Nonstop1h 45mLufthansa

Deal found 21/1£167

Mon 27/114:50LHR - FRA

1 stop5h 50mAustrian Airlines

Wed 29/109:20FRA - LHR

1 stop5h 45mAustrian Airlines

Deal found 21/1£254

Tue 28/111:05LHR - FRA

2 stops24h 10mBrussels Airlines

Thu 30/108:50FRA - LHR

1 stop13h 30mBrussels Airlines

Deal found 21/1£287

Thu 30/118:30LHR - FRA

Nonstop1h 35mMultiple Airlines

Mon 24/214:45FRA - LHR

1 stop4h 05mMultiple Airlines

Deal found 21/1£188

Thu 30/114:45LHR - FRA

1 stop6h 20mAir France

Mon 24/212:00FRA - LHR

1 stop5h 35mAir France

Deal found 21/1£217

Thu 30/118:40LHR - FRA

1 stop12h 30mSWISS

Thu 6/212:40FRA - LHR

1 stop6h 10mSWISS

Deal found 21/1£223

Fri 31/115:45LHR - FRA

1 stop5h 40mKLM

Mon 10/206:55FRA - LHR

1 stop4h 50mKLM

Deal found 21/1£209

Sat 1/214:05LHR - FRA

Nonstop1h 45mBritish Airways

Sat 8/208:05FRA - LHR

Nonstop1h 55mBritish Airways

Deal found 21/1£131

Thu 6/211:05LHR - FRA

1 stop22h 25mBrussels Airlines

Fri 7/221:40FRA - LHR

2 stops24h 10mBrussels Airlines

Deal found 21/1£250

Fri 7/218:40LHR - FRA

1 stop24h 15mSWISS

Sun 9/207:25FRA - LHR

1 stop12h 50mSWISS

Deal found 21/1£210

Tue 11/214:45LHR - FRA

1 stop6h 20mAir France

Tue 25/212:00FRA - LHR

1 stop10h 25mAir France

Deal found 21/1£185

One-way flights from Heathrow to Heidelberg
Search for one-way flight options from Heathrow to Heidelberg. Find affordable one-way fares based on user searches. Data last updated 22 January 2025.

Wed 30/407:10LHR - FRA

Nonstop1h 35mBritish Airways

Deal found 21/1£50

Mon 24/316:30LHR - FRA

Nonstop1h 35mLufthansa

Deal found 21/1£57

Thu 19/606:40LHR - FRA

1 stop7h 00mScandinavian Airlines

Deal found 21/1£77

Thu 20/206:30LHR - FRA

1 stop3h 35mKLM

Deal found 21/1£81

Mon 24/318:40LHR - FRA

1 stop20h 10mSWISS

Deal found 21/1£87

Wed 19/320:50LHR - FRA

2 stops20h 00mMultiple Airlines

Deal found 21/1£100

Wed 12/214:45LHR - FRA

1 stop6h 20mAir France

Deal found 21/1£114

Sun 9/219:00LHR - FRA

1 stop22h 05mAegean Airlines

Deal found 21/1£117

Fri 7/306:50LHR - FRA

2 stops24h 00mBrussels Airlines

Deal found 21/1£128

Thu 30/113:20LHR - FRA

1 stop18h 45mAir Serbia

Deal found 21/1£138

Sat 26/416:40LHR - FRA

2 stops15h 35mCroatia Airlines

Deal found 21/1£146

Fri 2/506:00LHR - FRA

2 stops25h 00mAustrian Airlines

Deal found 21/1£150

Find flights from Heathrow to Heidelberg within your budget

Fly from

Fly to

Route

Depart

Return

Price

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

Wed 23/4

07:10-09:45

Nonstop1h 35m

Frankfurt am Main

Tue 13/5

06:40-07:25

Nonstop1h 45m

£106

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

Tue 15/7

15:30-18:05

Nonstop1h 35m

Frankfurt am Main

Tue 29/7

07:00-07:40

Nonstop1h 40m

£112

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

Tue 15/4

06:55-09:30

Nonstop1h 35m

Frankfurt am Main

Tue 29/4

16:00-16:40

Nonstop1h 40m

£133

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

Sat 1/3

17:25-10:00

1 stop15h 35m

Frankfurt am Main

Sun 2/3

16:20-11:15

1 stop19h 55m

£177

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

Thu 20/2

10:20-19:45

1 stop8h 25m

Frankfurt am Main

Mon 24/2

16:05-21:40

1 stop6h 35m

£183

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

Tue 18/2

06:30-11:05

1 stop3h 35m

Frankfurt am Main

Tue 25/2

10:15-13:50

1 stop4h 35m

£184

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

Thu 5/6

11:05-15:35

1 stop3h 30m

Frankfurt am Main

Sun 8/6

19:35-17:05

1 stop22h 30m

£198

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

Wed 30/4

07:10-09:45

Nonstop1h 35m

£50

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

Mon 24/3

16:30-19:05

Nonstop1h 35m

£57

LondonFrankfurt am Main

LHR - FRA

LHRFRA

London Heathrow

Thu 19/6

06:40-14:40

1 stop7h 00m

£77

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 19 results

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.

Travel insights for flights from Heathrow to Heidelberg

Get recent, data-driven insights about flights from Heathrow to Heidelberg including ideal travel times, pricing trends, and more.

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

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?

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?

Travellers seeking maximum savings on their London Heathrow Airport to Heidelberg flight should consider departing on Friday at midday when fares are most often at their lowest. Sunday 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

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

Rainfall in Heidelberg 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

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

Read through reviews of airlines operating flights from London to Heidelberg, such as British Airways, Lufthansa and SWISS. 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

741 reviews

Check prices

Reviews

1 / 10

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

Aegean Airlines

8.1

Very Good

741 reviews

Aegean Airlines

8.1

Very Good

741 reviews

Check prices

Reviews

1 / 10

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

KLM

7.8

Good

1,341 reviews

Aegean Airlines

8.1

Very Good

741 reviews

Check prices

Reviews

1 / 10

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

Austrian Airlines

7.6

Good

786 reviews

Aegean Airlines

8.1

Very Good

741 reviews

Check prices

Reviews

1 / 10

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

SWISS

7.5

Good

1,600 reviews

Aegean Airlines

8.1

Very Good

741 reviews

Check prices

Reviews

1 / 10

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

Air France

7.4

Good

1,490 reviews

Aegean Airlines

8.1

Very Good

741 reviews

Check prices

Reviews

1 / 10

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

Related info for your journey

What are the cheapest airlines to fly from London Heathrow Airport to Heidelberg one-way?
£50 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 Scandinavian Airlines, with prices starting from £57 and £77, 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 JetBlue (75%), Qatar Airways (74%) or Aegean Airlines (69%) 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 £1,029, our data shows the cheapest flight currently is £87. When looking at the most popular route, (London Heathrow - Frankfurt am Main), you can expect to pay £103 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

Alternative routes for Heathrow to Heidelberg

Top 6 airlines flying from Heathrow to Heidelberg

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£100	Average£155	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Finnair	Cheapest£117	Average£198	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Eurowings	Cheapest£120	Average£180	FlexibilityNo cancel fee	On-time87%	Search Eurowings flights
Lufthansa	Cheapest£128	Average£207	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
SWISS	Cheapest£150	Average£224	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
KLM	Cheapest£165	Average£231	FlexibilityNo cancel fee	On-time75%	Search KLM flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Heidelberg. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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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Cheap flights from London Heathrow Airport to Heidelberg from £50

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 30/4. Fares are subject to change and may not be available on all flights or dates of travel.

The best prices from London Heathrow to Heidelberg are usually found in February or March, booked 73 days in advance, depart on a Wednesday or Thursday and return on a Saturday

Cheap flight deals from Heathrow to Heidelberg

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Heathrow to Heidelberg

Cheapest flights from Heathrow to HeidelbergExplore 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 22 January 2025.

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 22 January 2025.

Find flights from Heathrow to Heidelberg within your budget

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.

Travel insights for flights from Heathrow to Heidelberg

Get recent, data-driven insights about flights from Heathrow to Heidelberg including ideal travel times, pricing trends, and more.

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 17 January 2025.

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

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 22 January 2025.

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.

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 22 January 2025.

Rainfall in Heidelberg by month

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

Temperature in Heidelberg by month

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

Reviews of airlines servicing Heidelberg

Read through reviews of airlines operating flights from London to Heidelberg, such as British Airways, Lufthansa and SWISS. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

How can I find direct flights from Heathrow to Heidelberg?

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

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

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 Heathrow to Heidelberg

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

Top 6 airlines flying from Heathrow to Heidelberg

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 Heathrow to Heidelberg?

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

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

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

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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 22 January 2025.