Find flights
When to book
FAQs

Cheap flights from Karlsruhe to London Heathrow Airport from £107

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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
FKB — LHR
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

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 27 November 2025.

Sat 13/1219:40FKB - LHR
1 stop14h 15mMultiple Airlines
Sun 14/1219:00LHR - FKB
2 stops25h 50mMultiple Airlines
Deal found 26/11£235
Tue 23/1206:30FKB - LHR
2 stops33h 05mMultiple Airlines
Fri 26/1213:30LHR - FKB
2 stops16h 35mMultiple Airlines
Deal found 26/11£300
Thu 4/1206:20FKB - LHR
2 stops16h 40mMultiple Airlines
Fri 5/1206:30LHR - FKB
2 stops23h 35mMultiple Airlines
Deal found 26/11£305
Sun 28/1206:05FKB - LHR
2 stops31h 15mMultiple Airlines
Wed 31/1213:20LHR - FKB
2 stops21h 05mMultiple Airlines
Deal found 25/11£308
Mon 29/1207:40FKB - LHR
2 stops29h 40mMultiple Airlines
Thu 1/108:40LHR - FKB
2 stops12h 00mMultiple Airlines
Deal found 26/11£331
Tue 30/1212:00FKB - LHR
2 stops22h 35mMultiple Airlines
Thu 1/106:30LHR - FKB
2 stops14h 10mMultiple Airlines
Deal found 26/11£335
Wed 10/1206:50FKB - LHR
2 stops9h 45mMultiple Airlines
Fri 12/1221:05LHR - FKB
1 stop21h 10mMultiple Airlines
Deal found 26/11£339
Mon 29/1217:45FKB - LHR
2 stops19h 35mMultiple Airlines
Fri 2/113:20LHR - FKB
2 stops16h 45mMultiple Airlines
Deal found 26/11£363
Tue 23/1206:00FKB - LHR
2 stops16h 35mMultiple Airlines
Tue 30/1206:00LHR - FKB
2 stops15h 20mMultiple Airlines
Deal found 25/11£366

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 27 November 2025.

Round-trip from

£144

One-way from

£107

Popular in

December

Cheapest in

March

Average price

£124
24/1-26/1
  • 24/1-26/1
  • 2 total stops
  • 28h 20m total
  • Karlsruhe to London
Search Deals
7/1
  • 7/1
  • 2 total stops
  • 26h 05m 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).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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 27 November 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

Sat 10/1

19:40-08:55

1 stop14h 15m

London Heathrow

Mon 12/1

06:40-21:45

1 stop14h 05m

£154

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Sat 24/1

19:40-14:35

2 stops19h 55m

London Heathrow

Mon 26/1

06:40-21:45

1 stop14h 05m

£157

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Mon 26/1

07:40-16:05

1 stop9h 25m

London Heathrow

Thu 29/1

20:50-15:15

2 stops17h 25m

£174

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Fri 30/1

21:05-14:45

2 stops18h 40m

London Heathrow

Tue 3/2

20:50-20:05

2 stops22h 15m

£175

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Mon 26/1

22:10-12:55

1 stop15h 45m

London Heathrow

Fri 30/1

18:40-19:15

2 stops23h 35m

£183

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Sat 10/1

19:40-08:55

1 stop14h 15m

London Heathrow

Sat 17/1

09:55-17:50

2 stops30h 55m

£186

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Fri 9/1

15:40-09:10

2 stops18h 30m

London Heathrow

Fri 16/1

09:55-22:25

2 stops11h 30m

£192

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Sat 10/1

19:40-08:55

1 stop14h 15m

London Heathrow

Fri 16/1

17:00-19:15

2 stops25h 15m

£207

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Wed 7/1

16:55-18:00

2 stops26h 05m

£107

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Fri 30/1

07:35-20:05

2 stops13h 30m

£112

Flights are sorted by cheapest return flights first.

Deals found on 26/11

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 £90). Flying from Karlsruhe to London Heathrow Airport in December is currently the most expensive (average of £115). 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 £90). Flying from Karlsruhe to London Heathrow Airport in December is currently the most expensive (average of £115). 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
Slough
Croydon
Hounslow
Northampton
Gatwick
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Brentford
Winchester
Swindon
Crawley
Romford
Chichester
Bedford

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 Stansted flights
Frankfurt to Southend flights
Frankfurt to Heathrow flights
Munich to Gatwick flights
Munich to Heathrow flights
Frankfurt to London City flights
Munich to Stansted flights
Munich to Luton flights
Munich to London City flights
Stuttgart to Heathrow flights
Stuttgart to Stansted flights
Stuttgart to Gatwick flights
Stuttgart to London City flights
Karlsruhe to Stansted flights
Stuttgart to Luton flights
Stuttgart to Southend flights
Munich to Southend flights
Karlsruhe to Gatwick flights
Karlsruhe to Luton 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.