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Cheap flights from London Heathrow Airport to Frankfurt am Main from £102

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 18/6. 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
21:05 - 08:05
LHR
-
FKB
10h 00m
1 stop
Multiple Airlines Logo
21:05 - 14:45
FKB
-
LHR
18h 40m
2 stops
£183Multiple Airlines
Mon, 8 Jun - Wed, 10 Jun
Multiple Airlines Logo
21:05 - 08:05
LHR
-
FKB
10h 00m
1 stop
Multiple Airlines Logo
07:40 - 16:10
FKB
-
LHR
9h 30m
1 stop
£238Multiple Airlines
Mon, 8 Jun - Wed, 10 Jun
Multiple Airlines Logo
20:50 - 20:25
LHR
-
FKB
22h 35m
3 stops
Multiple Airlines Logo
07:40 - 16:10
FKB
-
LHR
9h 30m
1 stop
£259Multiple Airlines
Mon, 8 Jun - Wed, 10 Jun
Multiple Airlines Logo
15:50 - 07:10
LHR
-
FKB
14h 20m
2 stops
Multiple Airlines Logo
17:55 - 09:10
FKB
-
LHR
16h 15m
2 stops
£293Multiple Airlines
Fri, 15 May - Sun, 17 May
Multiple Airlines Logo
18:40 - 20:45
LHR
-
FKB
25h 05m
2 stops
Multiple Airlines Logo
08:25 - 22:40
FKB
-
LHR
15h 15m
2 stops
£304Multiple Airlines
Wed, 27 May - Sun, 31 May
Multiple Airlines Logo
17:50 - 16:55
LHR
-
FKB
22h 05m
2 stops
Multiple Airlines Logo
06:00 - 21:35
FKB
-
LHR
16h 35m
2 stops
£307Multiple Airlines
Tue, 26 May - Thu, 11 Jun
Multiple Airlines Logo
13:55 - 21:20
LHR
-
FKB
6h 25m
1 stop
Multiple Airlines Logo
08:30 - 17:35
FKB
-
LHR
10h 05m
2 stops
£319Multiple Airlines
Sat, 9 May - Tue, 12 May
Multiple Airlines Logo
21:10 - 15:20
LHR
-
FKB
17h 10m
2 stops
Multiple Airlines Logo
20:05 - 14:15
FKB
-
LHR
19h 10m
2 stops
£327Multiple Airlines
Sat, 23 May - Mon, 15 Jun
Multiple Airlines Logo
17:50 - 16:55
LHR
-
FKB
22h 05m
2 stops
Multiple Airlines Logo
06:00 - 21:35
FKB
-
LHR
16h 35m
2 stops
£335Multiple Airlines
Tue, 26 May - Thu, 11 Jun
Multiple Airlines Logo
22:25 - 11:20
LHR
-
FKB
35h 55m
2 stops
Multiple Airlines Logo
07:35 - 14:25
FKB
-
LHR
7h 50m
1 stop
£344Multiple Airlines
Sat, 23 May - Mon, 15 Jun

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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 30 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

Mon 8/6

21:05-08:05

1 stop10h 00m

Karlsruhe Söllingen

Wed 10/6

21:05-14:45

2 stops18h 40m

£183

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Mon 8/6

21:05-08:05

1 stop10h 00m

Karlsruhe Söllingen

Wed 10/6

07:40-16:10

1 stop9h 30m

£238

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Mon 8/6

20:50-20:25

3 stops22h 35m

Karlsruhe Söllingen

Wed 10/6

07:40-16:10

1 stop9h 30m

£259

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Fri 15/5

15:50-07:10

2 stops14h 20m

Karlsruhe Söllingen

Sun 17/5

17:55-09:10

2 stops16h 15m

£293

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Wed 27/5

18:40-20:45

2 stops25h 05m

Karlsruhe Söllingen

Sun 31/5

08:25-22:40

2 stops15h 15m

£304

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Tue 26/5

17:50-16:55

2 stops22h 05m

Karlsruhe Söllingen

Thu 11/6

06:00-21:35

2 stops16h 35m

£307
Fastest return journey

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Sat 9/5

13:55-21:20

1 stop6h 25m

Karlsruhe Söllingen

Tue 12/5

08:30-17:35

2 stops10h 05m

£319

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Sat 23/5

21:10-15:20

2 stops17h 10m

Karlsruhe Söllingen

Mon 15/6

20:05-14:15

2 stops19h 10m

£327

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Tue 26/5

17:50-16:55

2 stops22h 05m

Karlsruhe Söllingen

Thu 11/6

06:00-21:35

2 stops16h 35m

£335

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Sat 23/5

22:25-11:20

2 stops35h 55m

Karlsruhe Söllingen

Mon 15/6

07:35-14:25

1 stop7h 50m

£344

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 £66. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday 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 £94.

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

In the evening is the cheapest time of day to fly from London Heathrow Airport to Karlsruhe when you can find flight prices for as low as £79. Flying to Karlsruhe in the evening 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 £92. 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 30m

Direct flights

None
The fastest flight from London Heathrow Airport to Karlsruhe takes 9h 30m
There are no direct flights from London Heathrow Airport to Karlsruhe. There are no popular flight routes from London Heathrow Airport to Karlsruhe.
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Frequently asked questions about flying from London Heathrow Airport to Karlsruhe

  • 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 30m 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
Offenburg
Lörrach

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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