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Cheap flights from Karlsruhe to London Heathrow Airport from £47

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 23/2. Fares are subject to change and may not be available on all flights or dates of travel.
FKB — LHR
11 Feb — 18 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Karlsruhe to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Karlsruhe (FKB) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 January 2026.

Round-trip from

£150

One-way from

£47

Popular in

December

Cheapest in

March

Average price

£128
24/1-26/1
  • 24/1-26/1
  • 2 total stops
  • 28h 20m total
  • Karlsruhe to London
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23/2
  • 23/2
  • 2 total stops
  • 18h 25m total
  • Karlsruhe to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£2 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in January 2026
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Find flight deals from Karlsruhe to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Karlsruhe to Heathrow
Explore the most affordable flight options available from Karlsruhe to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 January 2026.

Mon 19/122:10
FKB
-
LHR
1 stop11h 45m
Multiple Airlines
Mon 26/106:40
LHR
-
FKB
1 stop14h 05m
Multiple Airlines
Deal found 11/1£142
Sat 24/119:40
FKB
-
LHR
1 stop14h 15m
Multiple Airlines
Mon 26/106:40
LHR
-
FKB
1 stop14h 05m
Multiple Airlines
Deal found 10/1£150
Sat 14/219:40
FKB
-
LHR
1 stop14h 15m
Multiple Airlines
Mon 16/206:40
LHR
-
FKB
1 stop14h 10m
Multiple Airlines
Deal found 12/1£168
Mon 2/307:40
FKB
-
LHR
1 stop9h 25m
Multiple Airlines
Fri 6/320:50
LHR
-
FKB
2 stops17h 35m
Multiple Airlines
Deal found 12/1£194
Thu 29/106:20
FKB
-
LHR
2 stops31h 00m
Multiple Airlines
Sun 1/222:15
LHR
-
FKB
2 stops23h 35m
Multiple Airlines
Deal found 11/1£202
Mon 2/220:35
FKB
-
LHR
2 stops24h 30m
Multiple Airlines
Sat 7/220:50
LHR
-
FKB
2 stops20h 15m
Multiple Airlines
Deal found 12/1£204
Tue 10/216:25
FKB
-
LHR
2 stops44h 55m
Multiple Airlines
Tue 17/213:20
LHR
-
FKB
2 stops49h 30m
Multiple Airlines
Deal found 11/1£212

Cheapflights Fare Finder

 
Customise your flight search to find flights from Karlsruhe to Heathrow 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 12 January 2026.
Use the filters below to find and compare flights from Karlsruhe to London Heathrow Airport that are best for you.

Fly from

Karlsruhe

Fly to

Heathrow

Route

Depart

Return

Price

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Sat 24/1

19:40-08:55

1 stop14h 15m

London Heathrow

Mon 26/1

06:40-21:45

1 stop14h 05m

£150

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Mon 2/3

07:40-16:05

1 stop9h 25m

London Heathrow

Fri 6/3

20:50-15:25

2 stops17h 35m

£194

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Thu 29/1

06:20-12:20

2 stops31h 00m

London Heathrow

Sun 1/2

22:15-22:50

2 stops23h 35m

£202

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Sat 14/2

18:45-09:10

2 stops15h 25m

London Heathrow

Mon 16/2

06:40-21:50

1 stop14h 10m

£212

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Mon 2/2

22:15-08:55

1 stop11h 40m

£64

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Mon 16/2

22:15-12:55

1 stop15h 40m

£66

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Sat 17/1

19:40-08:55

1 stop14h 15m

£99

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Mon 23/2

22:15-08:55

1 stop11h 40m

£108

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Fri 13/2

08:40-20:50

2 stops13h 10m

£109

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Thu 22/1

06:05-09:05

2 stops28h 00m

£120

Flights are sorted by cheapest return flights first.

Deals found on 11/1

Showing 1-10 of 14 results
1
2

Best time to book a flight from Karlsruhe to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Karlsruhe 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 Karlsruhe to London Heathrow Airport

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

Currently, August is the cheapest month in which you can book a flight from Karlsruhe to London Heathrow Airport (average of £89). Flying from Karlsruhe to London Heathrow Airport in December is currently the most expensive (average of £114). 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.

Related info for your journey

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

  • What airport do you fly from for flights from Karlsruhe to London Heathrow?

    If you book a flight to London Heathrow from Karlsruhe, you will be flying from Söllingen, which is the city’s only airport. Karlsruhe Söllingen (FKB) is located 21.7 mi from the center of Karlsruhe. There are 0 flights from Söllingen to London Heathrow per day from 0 different airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Karlsruhe to Heathrow 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 Karlsruhe to London Heathrow Airport?

    Currently, August is the cheapest month in which you can book a flight from Karlsruhe to London Heathrow Airport (average of £89). Flying from Karlsruhe to London Heathrow Airport in December is currently the most expensive (average of £114). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Luton
Northampton
Slough
Gatwick
Hounslow
Wembley
Ilford
Brentford
Hayes
Colchester
Watford
Crawley
Kingston upon Thames
Swindon
Bedford
Chelmsford
Eastbourne
Romford

Browse thousands of different options on Cheapflights for your next trip

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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 Karlsruhe to Heathrow?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Karlsruhe to Heathrow. 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 Karlsruhe to Heathrow?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Karlsruhe to Heathrow for you. Better yet — we are completely free to use.

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

Yes! Cheapflights helps users easily find flights from Karlsruhe to Heathrow with no change fees.

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

Of course! You can now track prices for flights from Karlsruhe to Heathrow 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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