Find flights
When to book
FAQs

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 16/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — FKB
5 May — 12 May1
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 5 April 2026.

Thu 14/509:55
LHR
-
FKB
3 stops23h 30m
Multiple Airlines
Wed 20/506:00
FKB
-
LHR
1 stop9h 25m
Multiple Airlines
Deal found 31/3£181
Sat 16/519:55
LHR
-
FKB
2 stops18h 25m
Multiple Airlines
Sat 23/515:55
FKB
-
LHR
2 stops21h 35m
Multiple Airlines
Deal found 1/4£385
Sat 4/413:55
LHR
-
FKB
1 stop6h 25m
Multiple Airlines
Wed 8/418:10
FKB
-
LHR
2 stops16h 00m
Multiple Airlines
Deal found 3/4£401
Sun 5/412:10
LHR
-
FKB
2 stops8h 25m
Multiple Airlines
Thu 9/411:25
FKB
-
LHR
3 stops22h 55m
Multiple Airlines
Deal found 4/4£423
Sat 2/513:55
LHR
-
FKB
1 stop6h 25m
Multiple Airlines
Sat 9/516:05
FKB
-
LHR
2 stops18h 15m
Multiple Airlines
Deal found 4/4£430
Sat 13/613:55
LHR
-
FKB
1 stop6h 25m
Multiple Airlines
Tue 16/608:30
FKB
-
LHR
1 stop9h 30m
Multiple Airlines
Deal found 4/4£495

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 5 April 2026.

Round-trip from

£181

One-way from

£96

Popular in

April

Cheapest in

September

Average price

£154
14/5-20/5
  • 14/5-20/5
  • 4 total stops
  • 32h 55m total
  • London to Karlsruhe
Search Deals
16/4
  • 16/4
  • 2 total stops
  • 23h 30m total
  • London to Karlsruhe
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£6 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 5 April 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Karlsruhe that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Thu 14/5

09:55-10:25

3 stops23h 30m

Karlsruhe Söllingen

Wed 20/5

06:00-14:25

1 stop9h 25m

£181

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Sat 16/5

19:55-15:20

2 stops18h 25m

Karlsruhe Söllingen

Sat 23/5

15:55-12:30

2 stops21h 35m

£385

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Sat 2/5

13:55-21:20

1 stop6h 25m

Karlsruhe Söllingen

Sat 9/5

16:05-09:20

2 stops18h 15m

£430
Fastest return journey

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Sat 13/6

13:55-21:20

1 stop6h 25m

Karlsruhe Söllingen

Tue 16/6

08:30-17:00

1 stop9h 30m

£495

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Thu 7/5

12:10-10:25

2 stops21h 15m

Karlsruhe Söllingen

Sun 10/5

11:30-16:25

2 stops29h 55m

£593

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Fri 11/9

07:00-09:35

2 stops25h 35m

Karlsruhe Söllingen

Tue 15/9

17:50-17:50

2 stops25h 00m

£613

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Sun 17/5

06:00-10:15

2 stops27h 15m

Karlsruhe Söllingen

Sun 24/5

11:30-21:40

2 stops11h 10m

£888

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Fri 8/5

06:00-17:30

2 stops10h 30m

Karlsruhe Söllingen

Sun 10/5

11:30-19:20

2 stops8h 50m

£2,188
Cheapest one-way

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Fri 8/5

06:30-16:50

2 stops9h 20m

£132

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Sat 16/5

06:30-22:25

2 stops14h 55m

£148

Flights are sorted by cheapest return flights first.

Deals found on 31/3

Showing 1-10 of 19 resultsSorted by cheapest first
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 April is currently the most expensive (average of £123). 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 April is currently the most expensive (average of £123). 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

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.

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.

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.