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Cheap flights from Graz to London Heathrow Airport from £99

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 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
GRZ — LHR
13 Jul — 20 Jul1
1 adult

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 8 July 2025.

Round-trip from

£189

One-way from

£99

Popular in

August

Cheapest in

February

Average price

£245
Lufthansa
  • Lufthansa
  • 14/12-16/12
  • 2 total stops
  • 9h 15m total
  • Graz to London
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Eurowings
  • Eurowings
  • 29/9
  • 1 total stop
  • 13h 35m total
  • Graz to London
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£14 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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Find flight deals from Graz to Heathrow

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 8 July 2025.

Sun 14/1216:20GRZ - LHR
1 stop4h 15mLufthansa
Tue 16/1216:40LHR - GRZ
1 stop5h 00mLufthansa
Deal found 6/7£189
Fri 12/1218:40GRZ - LHR
1 stop4h 00mMultiple Airlines
Tue 16/1207:40LHR - GRZ
1 stop4h 10mMultiple Airlines
Deal found 7/7£194
Mon 18/808:40GRZ - LHR
1 stop8h 45mEurowings
Wed 27/814:50LHR - GRZ
1 stop7h 15mEurowings
Deal found 6/7£195
Sat 22/1106:00GRZ - LHR
1 stop9h 05mAustrian Airlines
Tue 25/1106:00LHR - GRZ
1 stop6h 40mAustrian Airlines
Deal found 7/7£203

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 8 July 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

Sun 14/12

16:20-19:35

1 stop4h 15m

London Heathrow

Tue 16/12

16:40-22:40

1 stop5h 00m

£189

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Fri 12/12

18:40-21:40

1 stop4h 00m

London Heathrow

Tue 16/12

07:40-12:50

1 stop4h 10m

£194

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Mon 18/8

08:40-16:25

1 stop8h 45m

London Heathrow

Wed 27/8

14:50-23:05

1 stop7h 15m

£195

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Sat 22/11

06:00-14:05

1 stop9h 05m

London Heathrow

Tue 25/11

06:00-13:40

1 stop6h 40m

£203

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Mon 29/9

06:10-18:45

1 stop13h 35m

£99

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Mon 29/9

06:10-19:55

2 stops14h 45m

£147

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Sat 4/10

14:50-20:40

1 stop6h 50m

£167

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Wed 30/7

06:00-09:00

1 stop4h 00m

£203

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Sat 4/10

11:25-21:45

2 stops11h 20m

£545

Flights are sorted by cheapest return flights first.

Deals found on 6/7

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 27 June 2025.

The best time to book flights from Graz to London Heathrow Airport is 47 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, January is the cheapest month in which you can book a flight from Graz to London Heathrow Airport (average of £112). Flying from Graz to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 8 July 2025.
Read reviews from past customers who have flown with Austrian Airlines, SWISS, andLufthansa from Graz to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
806 reviews
Check prices

Food

6.8

Overall

7.6

Crew

8.1

Boarding

7.6

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Austrian Airlines
7.6
Good
806 reviews
Austrian Airlines
7.6
Good
806 reviews
Check prices

Food

6.8

Overall

7.6

Crew

8.1

Boarding

7.6

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
SWISS
7.5
Good
1,650 reviews
Austrian Airlines
7.6
Good
806 reviews
Check prices

Food

6.8

Overall

7.6

Crew

8.1

Boarding

7.6

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Lufthansa
6.8
Okay
7,193 reviews
Austrian Airlines
7.6
Good
806 reviews
Check prices

Food

6.8

Overall

7.6

Crew

8.1

Boarding

7.6

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Eurowings
6.7
Okay
282 reviews
Austrian Airlines
7.6
Good
806 reviews
Check prices

Food

6.8

Overall

7.6

Crew

8.1

Boarding

7.6

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

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.

  • What are the cheapest airlines flying from Graz to London Heathrow Airport round-trip?

    According to our current data, Lufthansa (£189), Eurowings (£195), and Austrian Airlines (£203) offers the cheapest pricing from Graz to London Heathrow Airport. Lufthansa is 15% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Graz to London Heathrow Airport one-way?

    One-way options have recently been found by users for as low as £99 on Eurowings. Other airlines that offer cheap prices include Lufthansa from £167 and Austrian Airlines from £203 one-way.

  • 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, January is the cheapest month in which you can book a flight from Graz to London Heathrow Airport (average of £112). Flying from Graz to London Heathrow Airport in August is currently the most expensive (average of £164). 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 Graz?

Book flights to Graz if you plan to visit one of these locations
Hounslow
Croydon
Milton Keynes
Deal
Northampton
Gatwick
Slough
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Wembley
Crawley
Eastbourne
Ilford
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Ipswich
Folkestone
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Watford
Winchester
Swindon
Maidstone

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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