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Cheap flights from Karlsruhe to London Heathrow Airport from £102

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
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap 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 December 2025.

Mon 29/1207:40FKB - LHR
2 stops29h 40mMultiple Airlines
Wed 31/1206:35LHR - FKB
2 stops15h 25mMultiple Airlines
Deal found 10/12£342
Sat 27/1207:30FKB - LHR
2 stops27h 05mMultiple Airlines
Tue 30/1206:30LHR - FKB
2 stops14h 10mMultiple Airlines
Deal found 11/12£385
Wed 31/1219:35FKB - LHR
2 stops16h 10mMultiple Airlines
Sun 4/117:05LHR - FKB
2 stops13h 10mMultiple Airlines
Deal found 11/12£400
Sat 20/1206:40FKB - LHR
2 stops9h 20mMultiple Airlines
Mon 22/1206:40LHR - FKB
1 stop14h 10mMultiple Airlines
Deal found 11/12£461
Sun 28/1215:45FKB - LHR
2 stops21h 35mMultiple Airlines
Sun 4/117:05LHR - FKB
2 stops13h 10mMultiple Airlines
Deal found 10/12£495
Sun 14/1207:35FKB - LHR
2 stops10h 30mMultiple Airlines
Tue 16/1213:20LHR - FKB
1 stop17h 45mMultiple Airlines
Deal found 10/12£572
Sat 13/1219:40FKB - LHR
1 stop14h 15mMultiple Airlines
Mon 15/1206:40LHR - FKB
2 stops14h 10mMultiple Airlines
Deal found 12/12£579
Tue 30/1206:30FKB - LHR
2 stops16h 10mMultiple Airlines
Mon 12/113:55LHR - FKB
1 stop6h 50mMultiple Airlines
Deal found 11/12£663
Mon 15/1207:40FKB - LHR
1 stop9h 25mMultiple Airlines
Wed 17/1210:35LHR - FKB
2 stops34h 05mMultiple Airlines
Deal found 12/12£669
Fri 19/1220:40FKB - LHR
2 stops13h 40mMultiple Airlines
Mon 22/1221:05LHR - FKB
1 stop13h 40mMultiple Airlines
Deal found 10/12£674

Find 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 December 2025.

Round-trip from

£167

One-way from

£102

Popular in

December

Cheapest in

March

Average price

£151
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
  • 27h 00m 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 December 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 12 December 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 24/1

19:40-08:55

1 stop14h 15m

London Heathrow

Mon 26/1

06:40-21:45

1 stop14h 05m

£167

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Sat 24/1

19:40-08:55

1 stop14h 15m

London Heathrow

Sat 31/1

16:50-15:20

1 stop21h 30m

£187

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Thu 22/1

16:25-12:20

2 stops20h 55m

London Heathrow

Mon 26/1

06:40-21:45

1 stop14h 05m

£212

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Mon 2/2

22:15-08:55

1 stop11h 40m

London Heathrow

Fri 6/2

18:10-19:15

2 stops24h 05m

£214

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Sat 10/1

06:40-17:05

2 stops11h 25m

London Heathrow

Mon 12/1

11:10-20:55

2 stops8h 45m

£222

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Wed 7/1

16:55-18:55

2 stops27h 00m

£102

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Wed 13/5

07:45-16:10

1 stop9h 25m

£108

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Fri 9/1

15:40-09:10

2 stops18h 30m

£112

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Fri 23/1

08:40-19:15

2 stops11h 35m

£120

KarlsruheLondon

FKB - LHR

FKBLHR

Karlsruhe Söllingen

Mon 29/12

07:40-12:20

2 stops29h 40m

£143

Flights are sorted by cheapest return flights first.

Deals found on 11/12

Showing 1-10 of 12 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 £116). 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 £116). 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
Northampton
Hounslow
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Watford
Hayes
Crawley
Winchester
Swindon
Deal
Bedford
Romford
Chichester

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Alternative routes for Karlsruhe to Heathrow

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Fly with Cheapflights

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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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