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Cheap flights from London Heathrow Airport to Frankfurt am Main from £113

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Frankfurt am Main departing on 24/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from London Heathrow Airport to Frankfurt am Main

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
16:30 - 08:10
LHR
-
FKB
14h 40m
2 stops
Multiple Airlines Logo
21:05 - 14:25
FKB
-
LHR
18h 20m
2 stops
£212Multiple Airlines
Wed, 29 Apr - Wed, 6 May
Multiple Airlines Logo
16:30 - 07:10
LHR
-
FKB
13h 40m
2 stops
Multiple Airlines Logo
07:40 - 16:10
FKB
-
LHR
9h 30m
1 stop
£215Multiple Airlines
Wed, 29 Apr - Wed, 6 May
Multiple Airlines Logo
20:50 - 16:55
LHR
-
FKB
19h 05m
2 stops
Multiple Airlines Logo
06:00 - 20:05
FKB
-
LHR
15h 05m
2 stops
£269Multiple Airlines
Tue, 21 Apr - Thu, 23 Apr
Multiple Airlines Logo
14:35 - 10:10
LHR
-
FKB
18h 35m
3 stops
Multiple Airlines Logo
13:30 - 09:10
FKB
-
LHR
20h 40m
2 stops
£280Multiple Airlines
Wed, 1 Apr - Thu, 9 Apr
Multiple Airlines Logo
06:40 - 21:15
LHR
-
FKB
13h 35m
1 stop
Multiple Airlines Logo
16:05 - 10:45
FKB
-
LHR
19h 40m
2 stops
£283Multiple Airlines
Sat, 25 Apr - Sat, 2 May
Multiple Airlines Logo
06:30 - 22:50
LHR
-
FKB
15h 20m
2 stops
Multiple Airlines Logo
20:05 - 14:15
FKB
-
LHR
19h 10m
2 stops
£285Multiple Airlines
Fri, 12 Jun - Mon, 15 Jun
Multiple Airlines Logo
14:35 - 10:10
LHR
-
FKB
18h 35m
3 stops
Multiple Airlines Logo
07:40 - 16:10
FKB
-
LHR
9h 30m
1 stop
£302Multiple Airlines
Wed, 1 Apr - Wed, 8 Apr
Multiple Airlines Logo
10:30 - 15:30
LHR
-
FKB
28h 00m
2 stops
Multiple Airlines Logo
10:35 - 09:20
FKB
-
LHR
23h 45m
2 stops
£317Multiple Airlines
Wed, 3 Jun - Sat, 6 Jun
Multiple Airlines Logo
18:30 - 22:20
LHR
-
FKB
26h 50m
2 stops
Multiple Airlines Logo
07:40 - 16:10
FKB
-
LHR
9h 30m
1 stop
£322Multiple Airlines
Mon, 27 Apr - Wed, 29 Apr
Multiple Airlines Logo
13:55 - 21:15
LHR
-
FKB
6h 20m
1 stop
Multiple Airlines Logo
08:30 - 17:00
FKB
-
LHR
9h 30m
1 stop
£325Multiple Airlines
Sat, 25 Apr - Tue, 28 Apr

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 16 March 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

Wed 29/4

16:30-08:10

2 stops14h 40m

Karlsruhe Söllingen

Wed 6/5

21:05-14:25

2 stops18h 20m

£212

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Wed 29/4

16:30-07:10

2 stops13h 40m

Karlsruhe Söllingen

Wed 6/5

07:40-16:10

1 stop9h 30m

£215

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Tue 21/4

20:50-16:55

2 stops19h 05m

Karlsruhe Söllingen

Thu 23/4

06:00-20:05

2 stops15h 05m

£269

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Wed 1/4

14:35-10:10

3 stops18h 35m

Karlsruhe Söllingen

Thu 9/4

13:30-09:10

2 stops20h 40m

£280

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Sat 25/4

06:40-21:15

1 stop13h 35m

Karlsruhe Söllingen

Sat 2/5

16:05-10:45

2 stops19h 40m

£283

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Fri 12/6

06:30-22:50

2 stops15h 20m

Karlsruhe Söllingen

Mon 15/6

20:05-14:15

2 stops19h 10m

£285

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Wed 1/4

14:35-10:10

3 stops18h 35m

Karlsruhe Söllingen

Wed 8/4

07:40-16:10

1 stop9h 30m

£302

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Wed 3/6

10:30-15:30

2 stops28h 00m

Karlsruhe Söllingen

Sat 6/6

10:35-09:20

2 stops23h 45m

£317

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Mon 27/4

18:30-22:20

2 stops26h 50m

Karlsruhe Söllingen

Wed 29/4

07:40-16:10

1 stop9h 30m

£322
Fastest return journey

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Sat 25/4

13:55-21:15

1 stop6h 20m

Karlsruhe Söllingen

Tue 28/4

08:30-17:00

1 stop9h 30m

£325

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Frankfurt am Main from

How to get the cheapest flight ticket from London Heathrow Airport to Karlsruhe

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Karlsruhe?

The cheapest day to depart on your flight to Karlsruhe is on a Wednesday when prices can be found for as low as £55. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £95.

What is the cheapest time of day to depart on your flight to Karlsruhe?

At midday is the cheapest time of day to fly from London Heathrow Airport to Karlsruhe when you can find flight prices for as low as £60. Flying to Karlsruhe at midday is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around £94. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from London Heathrow Airport to Karlsruhe

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Karlsruhe according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Karlsruhe (LHR to FKB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Karlsruhe

Fastest flight time

9h 50m

Direct flights

None
The fastest flight from London Heathrow Airport to Karlsruhe takes 9h 50m
There are no direct flights from London Heathrow Airport to Karlsruhe. There are no popular flight routes from London Heathrow Airport to Karlsruhe.
Search flight deals

  • How far is London Heathrow to Karlsruhe Söllingen by plane?

    London Heathrow and Karlsruhe Söllingen are 426.3 mi apart from one another. Typically, this will take 9h 50m by plane in normal conditions.

  • When did momondo last update prices for flights from London Heathrow Airport to Karlsruhe Söllingen Airport?

    Prices for flights from London Heathrow Airport to Karlsruhe Söllingen Airport are refreshed on a daily basis.

  • How old do you have to be to fly from London Heathrow Airport to Karlsruhe Söllingen Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Karlsruhe Söllingen Airport.

  • What documentation or ID do you need to fly to Karlsruhe Söllingen Airport?

    The necessary travel and health documents for your Karlsruhe Söllingen Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Frankfurt am Main?

Book flights to Frankfurt am Main if you plan to visit one of these locations
Freiburg im Breisgau
Lörrach
Offenburg

Why use momondo?

Why should I use momondo to find a flight deal from London to Karlsruhe?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Karlsruhe . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Karlsruhe with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Karlsruhe flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Karlsruhe?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Karlsruhe from London.

I’m not ready to book a flight from London to Karlsruhe right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to Karlsruhe flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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