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Cheap flights from Graz to London Heathrow Airport from £97

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
GRZ — LHR
4 May — 11 May1
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 29 April 2025.

Round-trip from

£192

One-way from

£97

Popular in

July

Cheapest in

March

Average price

£222
Lufthansa
  • Lufthansa
  • 10/9-14/9
  • 2 total stops
  • 12h 00m total
  • Graz to London
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Eurowings
  • Eurowings
  • 15/6
  • 1 total stop
  • 23h 05m total
  • Graz to London
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£13 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 29 April 2025.

Mon 22/914:50GRZ - LHR
1 stop4h 50mLufthansa
Fri 26/917:30LHR - GRZ
1 stop4h 05mLufthansa
Deal found 29/4£197
Sun 29/620:30GRZ - LHR
1 stop12h 35mEurowings
Wed 2/714:50LHR - GRZ
1 stop6h 10mEurowings
Deal found 29/4£198
Thu 21/806:00GRZ - LHR
1 stop3h 45mAustrian Airlines
Sun 24/806:00LHR - GRZ
1 stop8h 55mAustrian Airlines
Deal found 29/4£224
Mon 22/910:55GRZ - LHR
1 stop7h 55mSWISS
Fri 26/907:00LHR - GRZ
2 stops10h 35mSWISS
Deal found 29/4£228
Mon 16/608:40GRZ - LHR
1 stop8h 45mMultiple Airlines
Wed 25/609:00LHR - GRZ
1 stop6h 15mMultiple Airlines
Deal found 29/4£230

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 29 April 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

Mon 22/9

14:50-18:40

1 stop4h 50m

London Heathrow

Fri 26/9

17:30-22:35

1 stop4h 05m

£197

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Sun 29/6

20:30-08:05

1 stop12h 35m

London Heathrow

Wed 2/7

14:50-22:00

1 stop6h 10m

£198

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Thu 21/8

06:00-08:45

1 stop3h 45m

London Heathrow

Sun 24/8

06:00-15:55

1 stop8h 55m

£224

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Mon 22/9

10:55-17:50

1 stop7h 55m

London Heathrow

Fri 26/9

07:00-18:35

2 stops10h 35m

£228

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Mon 16/6

08:40-16:25

1 stop8h 45m

London Heathrow

Wed 25/6

09:00-16:15

1 stop6h 15m

£230

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Sun 15/6

20:40-18:45

1 stop23h 05m

£97

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Sun 6/7

15:45-07:40

2 stops16h 55m

£145

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Mon 30/6

16:35-08:15

2 stops16h 40m

£246

Flights are sorted by cheapest return flights first.

Deals found on 28/4

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 25 April 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.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 29 April 2025.
Peruse reviews from past customers who have flown with Austrian Airlines, SWISS and Lufthansa from Graz to London to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
780 reviews
Check prices

Crew

8.1

Entertainment

6.7

Comfort

7.3

Overall

7.6

Boarding

7.6

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Austrian Airlines
7.6
Good
780 reviews
Austrian Airlines
7.6
Good
780 reviews
Check prices

Crew

8.1

Entertainment

6.7

Comfort

7.3

Overall

7.6

Boarding

7.6

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
SWISS
7.5
Good
1,588 reviews
Austrian Airlines
7.6
Good
780 reviews
Check prices

Crew

8.1

Entertainment

6.7

Comfort

7.3

Overall

7.6

Boarding

7.6

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Lufthansa
6.7
Okay
7,042 reviews
Austrian Airlines
7.6
Good
780 reviews
Check prices

Crew

8.1

Entertainment

6.7

Comfort

7.3

Overall

7.6

Boarding

7.6

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Eurowings
6.6
Okay
276 reviews
Austrian Airlines
7.6
Good
780 reviews
Check prices

Crew

8.1

Entertainment

6.7

Comfort

7.3

Overall

7.6

Boarding

7.6

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

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 (£192), Austrian Airlines (£196), and Eurowings (£198) 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 £97 on Eurowings. Other airlines that offer cheap prices include Lufthansa from £164 and Austrian Airlines from £192 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
Deal
Hounslow
Milton Keynes
Gatwick
Luton
Slough
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Northampton
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Hayes
Southend-on-Sea
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Wembley
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Maidstone
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Folkestone
Dartford

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Alternative routes for Graz to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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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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