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Cheap flights from Graz to London Heathrow Airport from £104

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/11. Fares are subject to change and may not be available on all flights or dates of travel.
GRZ — LHR
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Graz to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Graz (GRZ) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 7 November 2025.

Round-trip from

£150

One-way from

£104

Popular in

August

Cheapest in

February

Average price

£236
Lufthansa
  • Lufthansa
  • 7/1-31/3
  • 2 total stops
  • 17h 35m total
  • Graz to London
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Lufthansa
  • Lufthansa
  • 28/11
  • 1 total stop
  • 5h 45m total
  • Graz to London
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£21 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Find flight deals from Graz to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Graz to Heathrow
Explore the most affordable flight options available from Graz to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 November 2025.

Tue 11/1106:10GRZ - LHR
1 stop7h 50mLufthansa
Tue 18/1107:40LHR - GRZ
1 stop4h 15mLufthansa
Deal found 6/11£157
Sat 29/1109:50GRZ - LHR
1 stop8h 15mLufthansa
Wed 3/1207:40LHR - GRZ
1 stop7h 00mLufthansa
Deal found 6/11£161
Fri 5/1213:50GRZ - LHR
1 stop5h 45mLufthansa
Sat 6/1206:35LHR - GRZ
1 stop8h 05mLufthansa
Deal found 6/11£163
Fri 5/1213:50GRZ - LHR
1 stop5h 45mLufthansa
Mon 29/1206:35LHR - GRZ
1 stop8h 05mLufthansa
Deal found 7/11£163
Fri 28/1113:50GRZ - LHR
1 stop5h 45mLufthansa
Sun 30/1107:40LHR - GRZ
1 stop7h 00mLufthansa
Deal found 7/11£164
Wed 31/1216:20GRZ - LHR
1 stop5h 40mLufthansa
Thu 1/108:45LHR - GRZ
1 stop5h 55mLufthansa
Deal found 7/11£165
Tue 2/1206:05GRZ - LHR
1 stop5h 40mLufthansa
Sun 7/1207:40LHR - GRZ
1 stop7h 00mLufthansa
Deal found 5/11£168
Fri 28/1114:15GRZ - LHR
1 stop4h 30mLufthansa
Tue 2/1207:40LHR - GRZ
1 stop4h 15mLufthansa
Deal found 5/11£169
Sun 21/1216:20GRZ - LHR
1 stop7h 35mLufthansa
Sun 28/1220:15LHR - GRZ
1 stop11h 55mLufthansa
Deal found 6/11£170
Wed 19/1109:50GRZ - LHR
1 stop7h 00mLufthansa
Sat 22/1108:45LHR - GRZ
1 stop5h 55mLufthansa
Deal found 5/11£170
Fri 5/1213:50GRZ - LHR
1 stop5h 45mLufthansa
Tue 9/1207:40LHR - GRZ
1 stop4h 15mLufthansa
Deal found 6/11£173
Sat 6/1216:20GRZ - LHR
1 stop4h 15mLufthansa
Sun 7/1207:40LHR - GRZ
1 stop7h 00mLufthansa
Deal found 6/11£173

Cheapflights Fare Finder

 
Customise your flight search to find flights from Graz to Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 7 November 2025.
Use the filters below to find and compare flights from Graz to London Heathrow Airport that are best for you.

Fly from

Graz

Fly to

Heathrow

Route

Depart

Return

Price

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Thu 5/3

16:20-19:35

1 stop4h 15m

London Heathrow

Sun 8/3

08:45-15:40

1 stop5h 55m

£163

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Mon 2/3

16:20-19:35

1 stop4h 15m

London Heathrow

Mon 30/3

09:00-16:15

1 stop6h 15m

£165

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Tue 24/2

06:10-10:25

1 stop5h 15m

London Heathrow

Fri 27/2

07:40-12:55

1 stop4h 15m

£166

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Tue 24/2

06:10-10:25

1 stop5h 15m

London Heathrow

Sat 28/2

08:45-15:40

1 stop5h 55m

£166

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Mon 23/2

16:20-19:35

1 stop4h 15m

London Heathrow

Wed 25/2

08:45-15:40

1 stop5h 55m

£166

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Wed 8/4

13:15-17:05

1 stop4h 50m

London Heathrow

Fri 10/4

06:55-12:35

1 stop4h 40m

£167

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Wed 1/4

13:15-17:05

1 stop4h 50m

London Heathrow

Fri 10/4

06:55-12:35

1 stop4h 40m

£167

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Tue 5/5

13:15-17:05

1 stop4h 50m

London Heathrow

Sun 10/5

10:50-16:15

1 stop4h 25m

£167

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Fri 20/3

13:50-18:35

1 stop5h 45m

London Heathrow

Tue 24/3

06:35-12:55

1 stop5h 20m

£175

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Tue 18/11

06:10-10:25

1 stop5h 15m

London Heathrow

Wed 19/11

17:50-22:40

1 stop3h 50m

£176

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 23 results
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Best time to book a flight from Graz to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Graz with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Graz to London Heathrow Airport

How far ahead should I book a flight from Graz to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Graz to Heathrow. Price data was last updated on 31 October 2025.

The best time to book flights from Graz to London Heathrow Airport is 84 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Graz to London Heathrow Airport?

Currently, May is the cheapest month in which you can book a flight from Graz to London Heathrow Airport (average of £108). Flying from Graz to London Heathrow Airport in December is currently the most expensive (average of £134). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Graz to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Graz to London Heathrow?

    Graz Thalerhof (GRZ) is the airport you will fly out of if you book a flight from Graz to London Heathrow. You should not have trouble finding flights to London Heathrow from Thalerhof; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Graz airport to London Heathrow. It is only a 5.2 mi journey to Thalerhof (GRZ) from Graz’s city center.

  • How long is the flight from Graz to London Heathrow Airport?

    For as low as £163, Lufthansa can have you in London Heathrow Airport from Graz in 4h 15m. There are 779 mi between Graz and London Heathrow Airport.

  • Can I find deals for flights from Graz to Heathrow that include hotel bookings?

    Yes. In addition to deals on Graz to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Graz to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Graz to Heathrow.

  • Can I find deals for business class flights from Graz to Heathrow?

    Yes. Cheapflights offers flight deals from Graz to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Graz to London Heathrow Airport?

    Currently, May is the cheapest month in which you can book a flight from Graz to London Heathrow Airport (average of £108). Flying from Graz to London Heathrow Airport in December is currently the most expensive (average of £134). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Swindon
Crawley
Brentford
Romford
Chichester
Ipswich

Browse thousands of different options on Cheapflights for your next trip

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Fly with Cheapflights

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How does Cheapflights help users find flights from Graz to Heathrow?

Cheapflights makes it easy to find Graz to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Graz to Heathrow?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Graz to Heathrow.

Can Cheapflights find flights from Graz to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from Graz? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Graz to Heathrow become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Graz today and book when prices fit your budget.

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