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Cheap flights from London Heathrow Airport to Karlsruhe from £96

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 20/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — FKB
4 Mar — 11 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Karlsruhe

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Karlsruhe
Explore the most affordable flight options available from Heathrow to Karlsruhe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 February 2026.

Thu 12/320:05
LHR
-
FKB
2 stops25h 40m
Multiple Airlines
Sun 15/310:10
FKB
-
LHR
2 stops9h 30m
Multiple Airlines
Deal found 2/2£246
Wed 18/220:50
LHR
-
FKB
2 stops20h 00m
Multiple Airlines
Sun 22/212:45
FKB
-
LHR
2 stops22h 40m
Multiple Airlines
Deal found 2/2£248
Fri 6/219:55
LHR
-
FKB
2 stops21h 20m
Multiple Airlines
Sun 8/206:20
FKB
-
LHR
2 stops31h 20m
Multiple Airlines
Deal found 1/2£249
Sat 7/206:00
LHR
-
FKB
2 stops11h 15m
Multiple Airlines
Sun 8/206:20
FKB
-
LHR
2 stops10h 10m
Multiple Airlines
Deal found 2/2£256
Sun 1/319:55
LHR
-
FKB
2 stops22h 10m
Multiple Airlines
Sun 8/306:20
FKB
-
LHR
2 stops10h 10m
Multiple Airlines
Deal found 1/2£259
Sat 14/306:00
LHR
-
FKB
2 stops11h 15m
Multiple Airlines
Sun 15/306:20
FKB
-
LHR
2 stops10h 10m
Multiple Airlines
Deal found 31/1£264
Sat 28/206:00
LHR
-
FKB
2 stops11h 00m
Multiple Airlines
Wed 4/312:15
FKB
-
LHR
2 stops21h 30m
Multiple Airlines
Deal found 1/2£275
Wed 18/220:50
LHR
-
FKB
2 stops20h 00m
Multiple Airlines
Sat 21/207:30
FKB
-
LHR
2 stops27h 05m
Multiple Airlines
Deal found 2/2£288
Fri 6/220:50
LHR
-
FKB
2 stops17h 35m
Multiple Airlines
Mon 9/207:40
FKB
-
LHR
1 stop9h 25m
Multiple Airlines
Deal found 1/2£288

Find flight deals from Heathrow to Karlsruhe

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Karlsruhe (FKB). 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 2 February 2026.

Round-trip from

£246

One-way from

£96

Popular in

April

Cheapest in

November

Average price

£173
12/3-15/3
  • 12/3-15/3
  • 4 total stops
  • 35h 10m total
  • London to Karlsruhe
Search Deals
20/3
  • 20/3
  • 2 total stops
  • 19h 40m total
  • London to Karlsruhe
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Karlsruhe 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 2 February 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Karlsruhe that are best for you.

Fly from

Heathrow

Fly to

Karlsruhe

Route

Depart

Return

Price

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Thu 12/3

20:05-22:45

2 stops25h 40m

Karlsruhe Söllingen

Sun 15/3

10:10-18:40

2 stops9h 30m

£246

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Wed 18/2

20:50-17:50

2 stops20h 00m

Karlsruhe Söllingen

Sun 22/2

12:45-10:25

2 stops22h 40m

£248

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Sat 28/2

20:05-17:50

2 stops20h 45m

Karlsruhe Söllingen

Sat 7/3

07:30-19:35

2 stops13h 05m

£256

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Sun 1/3

19:55-19:05

2 stops22h 10m

Karlsruhe Söllingen

Sun 8/3

06:20-15:30

2 stops10h 10m

£259

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Thu 19/3

06:35-16:05

2 stops8h 30m

Karlsruhe Söllingen

Thu 26/3

12:40-22:55

2 stops11h 15m

£264

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Sat 14/3

06:00-18:15

2 stops11h 15m

Karlsruhe Söllingen

Sun 15/3

06:20-15:30

2 stops10h 10m

£264

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Sat 28/2

06:00-18:00

2 stops11h 00m

Karlsruhe Söllingen

Wed 4/3

12:15-08:45

2 stops21h 30m

£275

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Wed 18/2

20:50-17:50

2 stops20h 00m

Karlsruhe Söllingen

Sat 21/2

07:30-09:35

2 stops27h 05m

£288

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Fri 20/3

20:50-17:30

2 stops19h 40m

£96

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Mon 9/2

13:55-21:50

1 stop6h 55m

£104

Flights are sorted by cheapest return flights first.

Deals found on 1/2

Showing 1-10 of 18 results
1
2

Best time to book a flight from Heathrow to Karlsruhe

Have a flexible travel schedule? Discover the best time to fly to Karlsruhe 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.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Karlsruhe

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

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Karlsruhe (average of £30). Flying from London Heathrow Airport to Karlsruhe in January is currently the most expensive (average of £104). 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 Heathrow to Karlsruhe. 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 into for flights to Karlsruhe from London Heathrow?

    Most people fly into Karlsruhe Söllingen (FKB) if they book a flight to Karlsruhe from London Heathrow. On average, Söllingen has 0 inbound flights from London Heathrow per day from 0 airlines. Karlsruhe Söllingen is conveniently located just 21.7 mi from Karlsruhe’s city center.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Karlsruhe (average of £30). Flying from London Heathrow Airport to Karlsruhe in January is currently the most expensive (average of £104). 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 Karlsruhe?

Book flights to Karlsruhe if you plan to visit one of these locations
Freiburg im Breisgau

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Alternative routes for Heathrow to Karlsruhe

See prices for flight routes from nearby airports that may be better suited for you.
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London City to Friedrichshafen 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 Heathrow to Karlsruhe?

When you search for this flight from Heathrow to Karlsruhe, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Karlsruhe by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Karlsruhe from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

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