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Cheap flights from Graz to London Heathrow Airport from £117

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 18/6. Fares are subject to change and may not be available on all flights or dates of travel.
GRZ — LHR
20 Apr — 27 Apr1
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 15 April 2025.

Round-trip from

£187

One-way from

£117

Popular in

July

Cheapest in

March

Average price

£229
Austrian Airlines
  • Austrian Airlines
  • 30/5-8/6
  • 2 total stops
  • 29h 55m total
  • Graz to London
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Eurowings
  • Eurowings
  • 18/6
  • 1 total stop
  • 23h 30m total
  • Graz to London
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£16 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£4 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 15 April 2025.

Fri 30/519:20GRZ - LHR
1 stop13h 35mMultiple Airlines
Sun 8/606:00LHR - GRZ
1 stop16h 20mMultiple Airlines
Deal found 14/4£187
Sat 5/716:55GRZ - LHR
1 stop4h 50mLufthansa
Fri 11/709:30LHR - GRZ
1 stop7h 50mLufthansa
Deal found 14/4£191
Thu 12/606:00GRZ - LHR
1 stop3h 45mAustrian Airlines
Sun 15/606:00LHR - GRZ
1 stop8h 55mAustrian Airlines
Deal found 15/4£192
Mon 22/910:55GRZ - LHR
1 stop7h 55mSWISS
Mon 29/920:05LHR - GRZ
1 stop12h 50mSWISS
Deal found 14/4£201
Sun 18/520:30GRZ - LHR
1 stop12h 35mEurowings
Fri 23/508:05LHR - GRZ
1 stop10h 30mEurowings
Deal found 14/4£228

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 15 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

Fri 30/5

19:20-07:55

1 stop13h 35m

London Heathrow

Sun 8/6

06:00-23:20

1 stop16h 20m

£187

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Sat 5/7

16:55-20:45

1 stop4h 50m

London Heathrow

Fri 11/7

09:30-18:20

1 stop7h 50m

£191

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Thu 12/6

06:00-08:45

1 stop3h 45m

London Heathrow

Sun 15/6

06:00-15:55

1 stop8h 55m

£192

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Mon 22/9

10:55-17:50

1 stop7h 55m

London Heathrow

Mon 29/9

20:05-09:55

1 stop12h 50m

£201

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Sun 18/5

20:30-08:05

1 stop12h 35m

London Heathrow

Fri 23/5

08:05-19:35

1 stop10h 30m

£228

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Wed 18/6

20:20-18:50

1 stop23h 30m

£117

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Sun 8/6

19:00-22:10

1 stop4h 10m

£147

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Thu 15/5

06:00-08:45

1 stop3h 45m

£161

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Tue 22/4

19:00-08:55

2 stops38h 55m

£246

Flights are sorted by cheapest return flights first.

Deals found on 15/4

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 11 April 2025.

The best time to book flights from Graz to London Heathrow Airport is 69 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 15 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
775 reviews
Check prices

Boarding

7.6

Crew

8.1

Food

6.7

Entertainment

6.8

Overall

7.6

Comfort

7.3

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
775 reviews
Austrian Airlines
7.6
Good
775 reviews
Check prices

Boarding

7.6

Crew

8.1

Food

6.7

Entertainment

6.8

Overall

7.6

Comfort

7.3

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
1,578 reviews
Austrian Airlines
7.6
Good
775 reviews
Check prices

Boarding

7.6

Crew

8.1

Food

6.7

Entertainment

6.8

Overall

7.6

Comfort

7.3

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
7,004 reviews
Austrian Airlines
7.6
Good
775 reviews
Check prices

Boarding

7.6

Crew

8.1

Food

6.7

Entertainment

6.8

Overall

7.6

Comfort

7.3

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
275 reviews
Austrian Airlines
7.6
Good
775 reviews
Check prices

Boarding

7.6

Crew

8.1

Food

6.7

Entertainment

6.8

Overall

7.6

Comfort

7.3

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 (£191), Austrian Airlines (£192), and SWISS (£201) offers the cheapest pricing from Graz to London Heathrow Airport. Lufthansa is 16% 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 £117 on Eurowings. Other airlines that offer cheap prices include Lufthansa from £147 and Austrian Airlines from £161 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
Deal
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Wembley
Northampton
Hayes
Crawley
Southend-on-Sea
Maidstone
Swindon
Ipswich
Southall
Ilford
Winchester
Folkestone

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Fly with Cheapflights

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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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