Find flights
When to book
FAQs

Cheap flights from Karlsruhe to London Heathrow Airport from £79

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
FKB — LHR
13 Nov — 20 Nov1
1 adult
1 adult, Economy

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 14 October 2025.

Mon 3/1106:55FKB - LHR
2 stops15h 25mMultiple Airlines
Wed 12/1118:50LHR - FKB
2 stops22h 40mMultiple Airlines
Deal found 13/10£211
Sat 8/1119:40FKB - LHR
1 stop14h 15mMultiple Airlines
Mon 10/1106:40LHR - FKB
1 stop14h 10mMultiple Airlines
Deal found 13/10£223
Thu 20/1106:45FKB - LHR
2 stops13h 50mMultiple Airlines
Sun 23/1108:45LHR - FKB
2 stops12h 55mMultiple Airlines
Deal found 12/10£239
Thu 4/1206:20FKB - LHR
2 stops17h 35mMultiple Airlines
Mon 8/1206:35LHR - FKB
2 stops15h 15mMultiple Airlines
Deal found 13/10£245
Mon 10/1117:45FKB - LHR
2 stops19h 35mMultiple Airlines
Fri 14/1113:20LHR - FKB
2 stops16h 45mMultiple Airlines
Deal found 12/10£268
Fri 5/1208:40FKB - LHR
2 stops14h 20mMultiple Airlines
Sun 7/1208:40LHR - FKB
2 stops22h 25mMultiple Airlines
Deal found 13/10£273
Fri 7/1111:05FKB - LHR
2 stops22h 00mMultiple Airlines
Wed 12/1119:30LHR - FKB
2 stops21h 20mMultiple Airlines
Deal found 12/10£274
Sat 8/1119:40FKB - LHR
1 stop14h 15mMultiple Airlines
Sun 9/1118:10LHR - FKB
2 stops26h 40mMultiple Airlines
Deal found 13/10£277

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 14 October 2025.

Round-trip from

£173

One-way from

£79

Popular in

April

Cheapest in

March

Average price

£133
23/2-25/2
  • 23/2-25/2
  • 4 total stops
  • 46h 25m total
  • Karlsruhe to London
Search Deals
8/12
  • 8/12
  • 1 total stop
  • 11h 40m total
  • Karlsruhe to London
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 0% potential price decrease (£1 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 14 October 2025.
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

Mon 23/2

21:20-20:05

2 stops23h 45m

London Heathrow

Wed 25/2

18:50-18:30

2 stops22h 40m

£173

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Fri 9/1

15:40-09:10

2 stops18h 30m

London Heathrow

Sun 11/1

18:50-20:55

2 stops25h 05m

£204

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Mon 3/11

06:55-21:20

2 stops15h 25m

London Heathrow

Wed 12/11

18:50-18:30

2 stops22h 40m

£211

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Sat 8/11

19:40-17:00

2 stops22h 20m

London Heathrow

Mon 10/11

06:40-21:50

1 stop14h 10m

£238

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Thu 20/11

06:45-19:35

2 stops13h 50m

London Heathrow

Sun 23/11

08:45-22:40

2 stops12h 55m

£239

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Thu 4/12

06:20-12:20

2 stops31h 00m

London Heathrow

Mon 8/12

06:35-22:50

2 stops15h 15m

£260

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Mon 10/11

17:45-12:20

2 stops19h 35m

London Heathrow

Fri 14/11

13:20-07:05

2 stops16h 45m

£268

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Fri 5/12

08:40-22:00

2 stops14h 20m

London Heathrow

Sun 7/12

08:40-08:05

2 stops22h 25m

£273

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Fri 6/2

11:05-21:35

2 stops11h 30m

London Heathrow

Mon 9/2

06:00-19:05

2 stops12h 05m

£289

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Sun 9/11

06:00-09:35

2 stops28h 35m

London Heathrow

Wed 12/11

22:15-17:00

2 stops17h 45m

£296

Flights are sorted by cheapest return flights first.

Deals found on 13/10

Showing 1-10 of 20 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 £108). 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 £108). 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
Slough
Gatwick
Hounslow
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Swindon
Romford
Ipswich
Brentford
Dartford

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 Karlsruhe to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Frankfurt to Gatwick flights
Frankfurt to Luton flights
Frankfurt to Heathrow flights
Frankfurt to London City flights
Munich to Heathrow flights
Munich to London City flights
Munich to Gatwick flights
Munich to Luton flights
Munich to Stansted flights
Stuttgart to Stansted flights
Stuttgart to Gatwick flights
Stuttgart to Luton flights
Stuttgart to London City flights
Karlsruhe to Stansted flights
Frankfurt to Stansted flights
Stuttgart to Heathrow flights
Stuttgart to Southend flights
Karlsruhe to Gatwick flights
Frankfurt to Southend flights
Karlsruhe to Luton flights
Munich to Southend flights
Friedrichshafen to Gatwick flights
Friedrichshafen to Heathrow flights
Friedrichshafen to London City 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 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.