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Cheap flights from Graz to London from £121

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 14/10. 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

Find the cheapest flights from Graz to London

Cheap return flights

Enter your travel dates to find the best prices.
Lufthansa Logo
14:45 - 20:40
GRZ
-
LHR
6h 55m
1 stop
Lufthansa Logo
07:25 - 16:10
LHR
-
GRZ
7h 45m
1 stop
£183Lufthansa
Wed, 23 Sep - Sat, 26 Sep
Lufthansa Logo
13:15 - 17:05
GRZ
-
LHR
4h 50m
1 stop
Lufthansa Logo
07:25 - 16:10
LHR
-
GRZ
7h 45m
1 stop
£188Lufthansa
Wed, 16 Sep - Sat, 19 Sep
Lufthansa Logo
13:15 - 18:25
GRZ
-
LHR
6h 10m
1 stop
Lufthansa Logo
07:25 - 12:35
LHR
-
GRZ
4h 10m
1 stop
£189Lufthansa
Thu, 10 Sep - Mon, 14 Sep
Lufthansa Logo
13:15 - 18:25
GRZ
-
LHR
6h 10m
1 stop
Lufthansa Logo
09:00 - 16:10
LHR
-
GRZ
6h 10m
1 stop
£190Lufthansa
Tue, 8 Sep - Tue, 15 Sep
Lufthansa Logo
16:50 - 22:40
GRZ
-
LHR
6h 50m
1 stop
Lufthansa Logo
07:25 - 16:10
LHR
-
GRZ
7h 45m
1 stop
£190Lufthansa
Wed, 9 Sep - Fri, 11 Sep
Lufthansa Logo
13:15 - 17:05
GRZ
-
LHR
4h 50m
1 stop
Lufthansa Logo
07:25 - 16:10
LHR
-
GRZ
7h 45m
1 stop
£192Lufthansa
Wed, 9 Sep - Fri, 11 Sep
Lufthansa Logo
14:45 - 18:40
GRZ
-
LHR
4h 55m
1 stop
Lufthansa Logo
10:50 - 16:10
LHR
-
GRZ
4h 20m
1 stop
£196Lufthansa
Tue, 15 Sep - Wed, 16 Sep
Multiple Airlines Logo
10:25 - 14:40
GRZ
-
LHR
5h 15m
1 stop
Multiple Airlines Logo
06:00 - 15:35
LHR
-
GRZ
8h 35m
1 stop
£196Multiple Airlines
Tue, 29 Sep - Sun, 4 Oct
Lufthansa Logo
16:50 - 20:45
GRZ
-
LHR
4h 55m
1 stop
Lufthansa Logo
06:55 - 12:35
LHR
-
GRZ
4h 40m
1 stop
£197Lufthansa
Sat, 19 Sep - Mon, 28 Sep
SWISS Logo
10:50 - 17:50
GRZ
-
LHR
8h 00m
1 stop
SWISS Logo
18:40 - 19:05
LHR
-
GRZ
23h 25m
1 stop
£198SWISS
Mon, 7 Sep - Thu, 10 Sep

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Lufthansa flights from Graz to London Heathrow Airport

Our best Lufthansa deals on Graz to London Heathrow Airport flight tickets
Lufthansa
23 Sept
GRZ14:45Graz Thalerhof
6h 55m
1 stop
LHR20:40London Heathrow
26 Sept
LHR07:25London Heathrow
7h 45m
1 stop
GRZ16:10Graz Thalerhof
£183
Lufthansa
16 Sept
GRZ13:15Graz Thalerhof
4h 50m
1 stop
LHR17:05London Heathrow
19 Sept
LHR07:25London Heathrow
7h 45m
1 stop
GRZ16:10Graz Thalerhof
£188
Lufthansa
10 Sept
GRZ13:15Graz Thalerhof
6h 10m
1 stop
LHR18:25London Heathrow
14 Sept
LHR07:25London Heathrow
4h 10m
1 stop
GRZ12:35Graz Thalerhof
£189

SWISS flights from Graz to London Heathrow Airport

Our best SWISS deals on Graz to London Heathrow Airport flight tickets
SWISS
7 Sept
GRZ10:50Graz Thalerhof
8h 00m
1 stop
LHR17:50London Heathrow
10 Sept
LHR18:40London Heathrow
23h 25m
1 stop
GRZ19:05Graz Thalerhof
£198
SWISS
16 Sept
GRZ18:50Graz Thalerhof
14h 05m
1 stop
LHR07:55London Heathrow
18 Sept
LHR20:05London Heathrow
12h 20m
1 stop
GRZ09:25Graz Thalerhof
£210
SWISS
18 Sept
GRZ19:55Graz Thalerhof
22h 55m
1 stop
LHR17:50London Heathrow
22 Sept
LHR18:40London Heathrow
14h 25m
1 stop
GRZ10:05Graz Thalerhof
£225

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 23 July 2026.
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

Cheapest return flight

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Wed 23/9

14:45-20:40

1 stop6h 55m

London Heathrow

Sat 26/9

07:25-16:10

1 stop7h 45m

£183

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Wed 16/9

13:15-17:05

1 stop4h 50m

London Heathrow

Sat 19/9

07:25-16:10

1 stop7h 45m

£188

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Thu 10/9

13:15-18:25

1 stop6h 10m

London Heathrow

Mon 14/9

07:25-12:35

1 stop4h 10m

£189

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Tue 8/9

13:15-18:25

1 stop6h 10m

London Heathrow

Tue 15/9

09:00-16:10

1 stop6h 10m

£190

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Wed 9/9

16:50-22:40

1 stop6h 50m

London Heathrow

Fri 11/9

07:25-16:10

1 stop7h 45m

£190

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Wed 9/9

13:15-17:05

1 stop4h 50m

London Heathrow

Fri 11/9

07:25-16:10

1 stop7h 45m

£192
Fastest return journey

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Tue 15/9

14:45-18:40

1 stop4h 55m

London Heathrow

Wed 16/9

10:50-16:10

1 stop4h 20m

£196

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Tue 29/9

10:25-14:40

1 stop5h 15m

London Heathrow

Sun 4/10

06:00-15:35

1 stop8h 35m

£196

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Sat 19/9

16:50-20:45

1 stop4h 55m

London Heathrow

Mon 28/9

06:55-12:35

1 stop4h 40m

£197

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Mon 7/9

10:50-17:50

1 stop8h 00m

London Heathrow

Thu 10/9

18:40-19:05

1 stop23h 25m

£198

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 typical price of a round-trip flight between Graz and London Heathrow Airport?

Prices are currently low for flights on this route.

Typical prices usually range from £274 to £367.
The lowest price recently found on this route was £183.

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 £208. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Graz averaging around £224.

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

Fastest flight time

4h 10m

Direct flights

None
The fastest flight from Graz to London Heathrow Airport takes 4h 10m
There are no direct flights from Graz to London Heathrow Airport. There are no popular flight routes from Graz to London Heathrow Airport.
Search flight deals

Frequently asked questions about flying from Graz to London Heathrow Airport

  • How far is Graz Thalerhof to London Heathrow by plane?

    A flight from Graz Thalerhof to London Heathrow will travel around 776.4 mi. 4h 10m 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?

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Ilford
Hastings
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Canterbury
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Chichester
Hayes

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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