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Cheap flights from Graz to London from £104

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Graz to London departing on 3/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

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Lufthansa Logo
09:50 - 13:00GRZ-LHR
4h 10m1 stop
Lufthansa Logo
17:50 - 22:40LHR-GRZ
3h 50m1 stop
£165Lufthansa
Find Deal
Fri, 6 Feb - Wed, 11 Feb
Lufthansa Logo
13:50 - 19:35GRZ-LHR
6h 45m1 stop
Lufthansa Logo
17:50 - 22:40LHR-GRZ
3h 50m1 stop
£166Lufthansa
Find Deal
Fri, 28 Nov - Fri, 5 Dec
Lufthansa Logo
09:50 - 15:50GRZ-LHR
7h 00m1 stop
Lufthansa Logo
06:35 - 15:40LHR-GRZ
8h 05m1 stop
£167Lufthansa
Find Deal
Sat, 29 Nov - Sat, 6 Dec
Lufthansa Logo
16:20 - 21:00GRZ-LHR
5h 40m1 stop
Lufthansa Logo
06:35 - 12:55LHR-GRZ
5h 20m1 stop
£168Lufthansa
Find Deal
Sun, 21 Dec - Fri, 26 Dec
Lufthansa Logo
13:50 - 19:35GRZ-LHR
6h 45m1 stop
Lufthansa Logo
07:40 - 15:40LHR-GRZ
7h 00m1 stop
£168Lufthansa
Find Deal
Fri, 9 Jan - Sun, 11 Jan
Lufthansa Logo
16:20 - 19:35GRZ-LHR
4h 15m1 stop
Lufthansa Logo
17:50 - 22:40LHR-GRZ
3h 50m1 stop
£169Lufthansa
Find Deal
Mon, 16 Feb - Wed, 18 Feb
Lufthansa Logo
16:20 - 22:55GRZ-LHR
7h 35m1 stop
Lufthansa Logo
07:40 - 15:40LHR-GRZ
7h 00m1 stop
£171Lufthansa
Find Deal
Wed, 3 Dec - Sun, 7 Dec
Lufthansa Logo
18:50 - 22:20GRZ-LHR
4h 30m1 stop
Lufthansa Logo
06:35 - 15:40LHR-GRZ
8h 05m1 stop
£173Lufthansa
Find Deal
Thu, 27 Nov - Sat, 6 Dec
Multiple Airlines Logo
09:50 - 13:00GRZ-LHR
4h 10m1 stop
Multiple Airlines Logo
09:00 - 14:20LHR-GRZ
4h 20m1 stop
£179Multiple Airlines
Find Deal
Sat, 22 Nov - Fri, 28 Nov
SWISS Logo
19:00 - 21:40GRZ-LHR
3h 40m1 stop
SWISS Logo
09:00 - 18:05LHR-GRZ
8h 05m1 stop
£191SWISS
Find Deal
Thu, 11 Dec - Thu, 18 Dec

Lufthansa flights from Graz to London Heathrow Airport

Our best Lufthansa deals on Graz to London Heathrow Airport flight tickets
Lufthansa
6 Feb
GRZ09:50Graz Thalerhof
4h 10m
1 stop
LHR13:00London Heathrow
11 Feb
LHR17:50London Heathrow
3h 50m
1 stop
GRZ22:40Graz Thalerhof
£165
Find similar
Lufthansa
28 Nov
GRZ13:50Graz Thalerhof
6h 45m
1 stop
LHR19:35London Heathrow
5 Dec
LHR17:50London Heathrow
3h 50m
1 stop
GRZ22:40Graz Thalerhof
£166
Find similar
Lufthansa
29 Nov
GRZ09:50Graz Thalerhof
7h 00m
1 stop
LHR15:50London Heathrow
6 Dec
LHR06:35London Heathrow
8h 05m
1 stop
GRZ15:40Graz Thalerhof
£167
Find similar

SWISS flights from Graz to London Heathrow Airport

Our best SWISS deals on Graz to London Heathrow Airport flight tickets
SWISS
11 Dec
GRZ19:00Graz Thalerhof
3h 40m
1 stop
LHR21:40London Heathrow
18 Dec
LHR09:00London Heathrow
8h 05m
1 stop
GRZ18:05Graz Thalerhof
£191
Find similar
SWISS
29 Oct
GRZ18:55Graz Thalerhof
14h 10m
1 stop
LHR08:05London Heathrow
31 Oct
LHR20:05London Heathrow
16h 40m
2 stops
GRZ13:45Graz Thalerhof
£325
Find similar
SWISS
21 Oct
GRZ10:40Graz Thalerhof
9h 40m
1 stop
LHR19:20London Heathrow
24 Oct
LHR20:05London Heathrow
42h 10m
2 stops
GRZ15:15Graz Thalerhof
£326
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Graz to London Heathrow Airport 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 15 October 2025.
Use the filters below to find and compare flights from Graz to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Fri 6/2

09:50-13:00

1 stop4h 10m

London Heathrow

Wed 11/2

17:50-22:40

1 stop3h 50m

£165

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Fri 28/11

13:50-19:35

1 stop6h 45m

London Heathrow

Fri 5/12

17:50-22:40

1 stop3h 50m

£166

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Sat 29/11

09:50-15:50

1 stop7h 00m

London Heathrow

Sat 6/12

06:35-15:40

1 stop8h 05m

£167

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Sun 21/12

16:20-21:00

1 stop5h 40m

London Heathrow

Fri 26/12

06:35-12:55

1 stop5h 20m

£168

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Fri 9/1

13:50-19:35

1 stop6h 45m

London Heathrow

Sun 11/1

07:40-15:40

1 stop7h 00m

£168

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Mon 16/2

16:20-19:35

1 stop4h 15m

London Heathrow

Wed 18/2

17:50-22:40

1 stop3h 50m

£169

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Wed 3/12

16:20-22:55

1 stop7h 35m

London Heathrow

Sun 7/12

07:40-15:40

1 stop7h 00m

£171

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Thu 27/11

18:50-22:20

1 stop4h 30m

London Heathrow

Sat 6/12

06:35-15:40

1 stop8h 05m

£173

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Sat 22/11

09:50-13:00

1 stop4h 10m

London Heathrow

Fri 28/11

09:00-14:20

1 stop4h 20m

£179

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Thu 11/12

19:00-21:40

1 stop3h 40m

London Heathrow

Thu 18/12

09:00-18:05

1 stop8h 05m

£191

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 London from

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

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 month to fly to London Heathrow Airport?

In general, February is the cheapest month to fly from Graz to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £177. The month of March is another great option to travel to London Heathrow Airport, with average flight prices from Graz averaging around £180.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Graz is on a Friday. momondo users have found tickets for Friday departures for as low as £239. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Sunday is £420.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Graz to London Heathrow Airport in the evening for as low as £170. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £415 on average. Flights to London Heathrow Airport from Graz in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Graz when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £235 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Graz for as low as £184 on momondo.

When to book flights from Graz to London Heathrow Airport

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

Cheap Graz to London Heathrow Airport (GRZ to LHR) flight deals and tips

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

Direct flights

None
There are no direct flights from Graz to London Heathrow Airport. There are no popular flight routes from Graz to London Heathrow Airport.
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  • How far is Graz Thalerhof to London Heathrow by plane?

    A flight from Graz Thalerhof to London Heathrow will travel around 776.4 mi. 3h 40m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Graz Thalerhof Airport to London Heathrow Airport?

    Prices for flights from Graz Thalerhof Airport to London Heathrow Airport refresh daily.

  • How old do you have to be to fly from Graz Thalerhof Airport to London Heathrow Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Graz Thalerhof Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The necessary travel and health documents for your London Heathrow 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 London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Northampton
Slough
Swindon
Canterbury
Stratford-upon-Avon
Southend-on-Sea
Ipswich
Ilford
Guildford
Poole
Swanage
Colchester
Dover
Hayes
Chelmsford

Why use momondo?

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

It is quick and easy to find Graz to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

Yes. momondo enables you to select and highlight flights to London from Graz with this policy.

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

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 London from Graz.

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

Of course. momondo tracks the price of Graz to London 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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