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Cheap flights from London Heathrow Airport to Karlsruhe from £105

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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — FKB
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheap 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 18 September 2025.

Round-trip from

£240

One-way from

£105

Popular in

December

Cheapest in

November

Average price

£94
8/10-11/10
  • 8/10-11/10
  • 4 total stops
  • 33h 05m total
  • London to Karlsruhe
Search Deals
3/11
  • 3/11
  • 1 total stop
  • 14h 10m total
  • London to Karlsruhe
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Heathrow to Karlsruhe

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 18 September 2025.

Wed 8/1016:10LHR - FKB
2 stops18h 55mMultiple Airlines
Sat 11/1018:50FKB - LHR
2 stops14h 10mMultiple Airlines
Deal found 16/9£240
Tue 14/1009:55LHR - FKB
1 stop8h 00mMultiple Airlines
Tue 21/1019:20FKB - LHR
1 stop14h 35mMultiple Airlines
Deal found 16/9£244
Thu 27/1106:35LHR - FKB
2 stops10h 55mMultiple Airlines
Sat 29/1106:40FKB - LHR
2 stops13h 00mMultiple Airlines
Deal found 17/9£257
Fri 28/1106:00LHR - FKB
2 stops15h 45mMultiple Airlines
Sun 30/1110:10FKB - LHR
2 stops9h 30mMultiple Airlines
Deal found 17/9£274
Fri 31/1016:50LHR - FKB
1 stop19h 45mMultiple Airlines
Fri 7/1108:45FKB - LHR
2 stops11h 05mMultiple Airlines
Deal found 16/9£310
Fri 19/921:05LHR - FKB
2 stops23h 15mMultiple Airlines
Sun 21/917:00FKB - LHR
3 stops26h 50mMultiple Airlines
Deal found 16/9£370
Wed 15/1008:45LHR - FKB
2 stops11h 40mMultiple Airlines
Thu 16/1006:50FKB - LHR
2 stops13h 15mMultiple Airlines
Deal found 16/9£424

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 18 September 2025.
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

Wed 8/10

16:10-12:05

2 stops18h 55m

Karlsruhe Söllingen

Sat 11/10

18:50-08:00

2 stops14h 10m

£240

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Tue 14/10

09:55-18:55

1 stop8h 00m

Karlsruhe Söllingen

Tue 21/10

19:20-08:55

1 stop14h 35m

£244

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Thu 27/11

06:35-18:30

2 stops10h 55m

Karlsruhe Söllingen

Sat 29/11

06:40-18:40

2 stops13h 00m

£257

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Fri 28/11

06:00-22:45

2 stops15h 45m

Karlsruhe Söllingen

Sun 30/11

10:10-18:40

2 stops9h 30m

£274

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Fri 31/10

16:50-13:35

1 stop19h 45m

Karlsruhe Söllingen

Fri 7/11

08:45-18:50

2 stops11h 05m

£310

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Wed 15/10

08:45-21:25

2 stops11h 40m

Karlsruhe Söllingen

Thu 16/10

06:50-19:05

2 stops13h 15m

£424

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Wed 15/10

14:45-10:40

2 stops18h 55m

Karlsruhe Söllingen

Sun 19/10

15:50-08:10

2 stops17h 20m

£739

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Wed 8/10

14:45-10:40

2 stops18h 55m

Karlsruhe Söllingen

Sat 11/10

17:50-14:05

2 stops21h 15m

£780

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Fri 10/10

06:00-17:35

2 stops10h 35m

Karlsruhe Söllingen

Mon 13/10

11:25-08:10

2 stops21h 45m

£858

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Mon 3/11

06:40-21:50

1 stop14h 10m

£105

Flights are sorted by cheapest return flights first.

Deals found on 16/9

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.

Reviews of airlines servicing Karlsruhe

Get insights into the airlines that provide service to Karlsruhe. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Karlsruhe. Reviews last updated 18 September 2025.
Read reviews from past customers who have flown with Lufthansa from London Heathrow Airport to Karlsruhe. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Lufthansa
6.8
Okay
7,409 reviews
Check prices

Comfort

6.8

Entertainment

6.4

Food

6.3

Overall

6.8

Crew

7.6

Boarding

7.0

Reviews

1 / 20
4.0
Okay

Louise,Sept 2025

HER - FRA

Discover airlines is a budget airline, which has you pay for everything. On a flight that was just over 3 hrs, they offered one glass of water. You pay for everything else.
Lufthansa
6.8
Okay
7,409 reviews
Lufthansa
6.8
Okay
7,409 reviews
Check prices

Comfort

6.8

Entertainment

6.4

Food

6.3

Overall

6.8

Crew

7.6

Boarding

7.0

Reviews

1 / 20
4.0
Okay

Louise,Sept 2025

HER - FRA

Discover airlines is a budget airline, which has you pay for everything. On a flight that was just over 3 hrs, they offered one glass of water. You pay for everything else.

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 1 airline. Karlsruhe Söllingen is conveniently located just 21.7 mi from Karlsruhe’s city center.

  • What is the cheapest airline to fly from London Heathrow Airport to Karlsruhe round-trip?

    Flying on Lufthansa is currently your cheapest option to Karlsruhe, with prices starting at £173. You may be able to fly from London Heathrow Airport to Karlsruhe for 14% less than the average price by searching for this airline.

  • 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.

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 Karlsruhe flights

Top airline flying from Heathrow to Karlsruhe

Discover the top airline that operate flights from Heathrow to Karlsruhe. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£173Average£205FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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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