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Cheap flights from London Heathrow Airport to Frankfurt am Main from £101

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 14/7. 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
1 adult, Economy, 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
20:50 - 13:05
LHR
-
FKB
15h 15m
2 stops
Multiple Airlines Logo
21:05 - 14:45
FKB
-
LHR
18h 40m
2 stops
£202Multiple Airlines
Wed, 29 Jul - Wed, 5 Aug
Multiple Airlines Logo
20:50 - 14:25
LHR
-
FKB
16h 35m
2 stops
Multiple Airlines Logo
07:40 - 16:10
FKB
-
LHR
9h 30m
1 stop
£210Multiple Airlines
Tue, 7 Jul - Wed, 15 Jul
Multiple Airlines Logo
20:50 - 15:30
LHR
-
FKB
17h 40m
2 stops
Multiple Airlines Logo
06:00 - 14:15
FKB
-
LHR
9h 15m
2 stops
£233Multiple Airlines
Mon, 20 Jul - Wed, 29 Jul
Multiple Airlines Logo
20:50 - 14:25
LHR
-
FKB
16h 35m
2 stops
Multiple Airlines Logo
07:40 - 16:10
FKB
-
LHR
9h 30m
1 stop
£234Multiple Airlines
Tue, 7 Jul - Wed, 15 Jul
Multiple Airlines Logo
11:45 - 07:15
LHR
-
FKB
18h 30m
2 stops
Multiple Airlines Logo
07:40 - 20:55
FKB
-
LHR
14h 15m
2 stops
£237Multiple Airlines
Tue, 7 Jul - Wed, 15 Jul
Multiple Airlines Logo
20:50 - 13:05
LHR
-
FKB
15h 15m
2 stops
Multiple Airlines Logo
07:40 - 16:10
FKB
-
LHR
9h 30m
1 stop
£238Multiple Airlines
Wed, 8 Jul - Wed, 15 Jul
Multiple Airlines Logo
09:55 - 22:45
LHR
-
FKB
11h 50m
2 stops
Multiple Airlines Logo
07:40 - 16:10
FKB
-
LHR
9h 30m
1 stop
£239Multiple Airlines
Wed, 8 Jul - Wed, 15 Jul
Multiple Airlines Logo
09:55 - 20:40
LHR
-
FKB
9h 45m
2 stops
Multiple Airlines Logo
06:00 - 14:15
FKB
-
LHR
9h 15m
2 stops
£245Multiple Airlines
Wed, 22 Jul - Wed, 29 Jul
Multiple Airlines Logo
06:30 - 22:20
LHR
-
FKB
14h 50m
2 stops
Multiple Airlines Logo
21:30 - 12:45
FKB
-
LHR
16h 15m
2 stops
£268Multiple Airlines
Tue, 8 Sep - Mon, 14 Sep
Multiple Airlines Logo
20:50 - 15:30
LHR
-
FKB
17h 40m
2 stops
Multiple Airlines Logo
07:35 - 14:25
FKB
-
LHR
7h 50m
1 stop
£269Multiple Airlines
Mon, 20 Jul - Mon, 27 Jul

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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 14 June 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 29/7

20:50-13:05

2 stops15h 15m

Karlsruhe Söllingen

Wed 5/8

21:05-14:45

2 stops18h 40m

£202

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Tue 7/7

20:50-14:25

2 stops16h 35m

Karlsruhe Söllingen

Wed 15/7

07:40-16:10

1 stop9h 30m

£210

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Mon 20/7

20:50-15:30

2 stops17h 40m

Karlsruhe Söllingen

Wed 29/7

06:00-14:15

2 stops9h 15m

£233

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Tue 7/7

20:50-14:25

2 stops16h 35m

Karlsruhe Söllingen

Wed 15/7

07:40-16:10

1 stop9h 30m

£234

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Tue 7/7

11:45-07:15

2 stops18h 30m

Karlsruhe Söllingen

Wed 15/7

07:40-20:55

2 stops14h 15m

£237

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Wed 8/7

20:50-13:05

2 stops15h 15m

Karlsruhe Söllingen

Wed 15/7

07:40-16:10

1 stop9h 30m

£238

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Wed 8/7

09:55-22:45

2 stops11h 50m

Karlsruhe Söllingen

Wed 15/7

07:40-16:10

1 stop9h 30m

£239
Fastest return journey

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Wed 22/7

09:55-20:40

2 stops9h 45m

Karlsruhe Söllingen

Wed 29/7

06:00-14:15

2 stops9h 15m

£245

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Tue 8/9

06:30-22:20

2 stops14h 50m

Karlsruhe Söllingen

Mon 14/9

21:30-12:45

2 stops16h 15m

£268

LondonKarlsruhe

LHR - FKB

LHRFKB

London Heathrow

Mon 20/7

20:50-15:30

2 stops17h 40m

Karlsruhe Söllingen

Mon 27/7

07:35-14:25

1 stop7h 50m

£269

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 Saturday when prices can be found for as low as £63. 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 £97.

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 £65. 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 £91. 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 25m

Direct flights

None
The fastest flight from London Heathrow Airport to Karlsruhe takes 9h 25m
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 25m 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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