Cheap flights from Graz to London from £100

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 8/9. 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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Find the cheapest flights from Graz to London (GRZ-LHR)

Cheap return flights

Lufthansa Logo
13:50 - 19:35GRZ-LHR
6h 45m1 stop
Lufthansa Logo
07:40 - 15:40LHR-GRZ
7h 00m1 stop
£191Lufthansa
Find Deal
週五, 9 1月 - 週日, 11 1月
Lufthansa Logo
13:50 - 19:35GRZ-LHR
6h 45m1 stop
Lufthansa Logo
20:15 - 09:10LHR-GRZ
11h 55m1 stop
£192Lufthansa
Find Deal
週二, 6 1月 - 週六, 10 1月
Eurowings Logo
06:15 - 14:10GRZ-LHR
8h 55m1 stop
Eurowings Logo
12:10 - 19:35LHR-GRZ
6h 25m1 stop
£194Eurowings
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週五, 10 10月 - 週三, 15 10月
 Logo
13:50 - 19:35GRZ-LHR
6h 45m1 stop
 Logo
06:00 - 13:45LHR-GRZ
6h 45m1 stop
週五, 9 1月 - 週五, 6 2月
 Logo
16:20 - 21:00GRZ-LHR
5h 40m1 stop
 Logo
09:00 - 14:20LHR-GRZ
4h 20m1 stop
週一, 12 1月 - 週五, 16 1月
Eurowings Logo
08:40 - 16:25GRZ-LHR
8h 45m1 stop
Eurowings Logo
14:50 - 22:00LHR-GRZ
6h 10m1 stop
£199Eurowings
Find Deal
週一, 6 10月 - 週三, 8 10月
SWISS Logo
19:00 - 21:40GRZ-LHR
3h 40m1 stop
SWISS Logo
06:00 - 14:25LHR-GRZ
7h 25m1 stop
£212SWISS
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週四, 13 11月 - 週日, 16 11月
Austrian Airlines Logo
18:40 - 21:40GRZ-LHR
4h 00m1 stop
Austrian Airlines Logo
06:00 - 13:40LHR-GRZ
6h 40m1 stop
£225Austrian Airlines
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週五, 12 12月 - 週一, 15 12月
SWISS Logo
15:10 - 11:15GRZ-LHR
21h 05m1 stop
SWISS Logo
20:05 - 13:45LHR-GRZ
16h 40m2 stops
£228SWISS
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週五, 6 2月 - 週六, 21 2月
Austrian Airlines Logo
18:40 - 21:40GRZ-LHR
4h 00m1 stop
Austrian Airlines Logo
06:00 - 13:40LHR-GRZ
6h 40m1 stop
£229Austrian Airlines
Find Deal
週五, 12 12月 - 週一, 15 12月

Austrian Airlines flights from Graz to London Heathrow Airport

Our best Austrian Airlines deals on Graz to London Heathrow Airport flight tickets
Austrian Airlines
12 Dec
GRZ18:40Graz Thalerhof
4h 00m
1 stop
LHR21:40London Heathrow
14 Dec
LHR06:00London Heathrow
6h 10m
1 stop
GRZ13:10Graz Thalerhof
Austrian Airlines
12 Dec
GRZ18:40Graz Thalerhof
4h 00m
1 stop
LHR21:40London Heathrow
15 Dec
LHR06:00London Heathrow
6h 40m
1 stop
GRZ13:40Graz Thalerhof
Austrian Airlines
12 Dec
GRZ18:40Graz Thalerhof
4h 00m
1 stop
LHR21:40London Heathrow
15 Dec
LHR06:00London Heathrow
6h 40m
1 stop
GRZ13:40Graz Thalerhof

SWISS flights from Graz to London Heathrow Airport

Our best SWISS deals on Graz to London Heathrow Airport flight tickets
SWISS
6 Feb
GRZ15:10Graz Thalerhof
21h 05m
1 stop
LHR11:15London Heathrow
21 Feb
LHR20:05London Heathrow
16h 40m
2 stops
GRZ13:45Graz Thalerhof
SWISS
6 Feb
GRZ15:10Graz Thalerhof
7h 15m
2 stops
LHR21:25London Heathrow
22 Feb
LHR12:05London Heathrow
20h 50m
1 stop
GRZ09:55Graz Thalerhof

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 19 8月 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

週五 9/1

13:50-19:35

1 stop6h 45m

London Heathrow

週日 11/1

07:40-15:40

1 stop7h 00m

£191

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

週二 6/1

13:50-19:35

1 stop6h 45m

London Heathrow

週六 10/1

20:15-09:10

1 stop11h 55m

£192

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

週五 10/10

06:15-14:10

1 stop8h 55m

London Heathrow

週三 15/10

12:10-19:35

1 stop6h 25m

£194

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

週五 9/1

13:50-19:35

1 stop6h 45m

London Heathrow

週五 6/2

06:00-13:45

1 stop6h 45m

£196

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

週一 12/1

16:20-21:00

1 stop5h 40m

London Heathrow

週五 16/1

09:00-14:20

1 stop4h 20m

£197

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

週一 6/10

08:40-16:25

1 stop8h 45m

London Heathrow

週三 8/10

14:50-22:00

1 stop6h 10m

£199

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

週四 13/11

19:00-21:40

1 stop3h 40m

London Heathrow

週日 16/11

06:00-14:25

1 stop7h 25m

£212

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

週五 12/12

18:40-21:40

1 stop4h 00m

London Heathrow

週一 15/12

06:00-13:40

1 stop6h 40m

£225

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

週五 6/2

15:10-11:15

1 stop21h 05m

London Heathrow

週六 21/2

20:05-13:45

2 stops16h 40m

£228

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

週五 12/12

18:40-21:40

1 stop4h 00m

London Heathrow

週一 15/12

06:00-13:40

1 stop6h 40m

£229

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 £174. The month of March is another great option to travel to London Heathrow Airport, with average flight prices from Graz averaging around £177.

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 Saturday. momondo users have found tickets for Saturday departures for as low as £231. 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 £414.

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 £171. 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 £408 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 £229 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 £183 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

Best price found

£100

Fastest flight time

3h 40m

Direct flights

None
The best one-way flight to London Heathrow Airport from Graz in the past 72 hours is £100. The best return flight deal from Graz to London Heathrow Airport found on momondo in the last 72 hours is £191.
The fastest flight from Graz to London Heathrow Airport takes 3h 40m
There are no direct flights from Graz to London Heathrow Airport. Popular non-direct route for this connection is Graz Thalerhof Airport - 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. 3h 50m 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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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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1 adult
週日 24/8
週日 31/8

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