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Cheap flights from London Heathrow Airport to Graz from £110

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 14/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — GRZ
20 Aug — 27 Aug1
1 adult

Cheap flight deals from Heathrow to Graz

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Graz (GRZ). 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 August 2025.

Round-trip from

£185

One-way from

£110

Popular in

May

Cheapest in

February

Average price

£185
Austrian Airlines
  • Austrian Airlines
  • 27/9-4/10
  • 2 total stops
  • 9h 55m total
  • London to Graz
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Eurowings
  • Eurowings
  • 14/12
  • 1 total stop
  • 5h 30m total
  • London to Graz
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (£70 potential increase over avg. return price).
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Cheapest flight prices on average. 12% potential price decrease (£21 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find flight deals from Heathrow to Graz

Cheapest flights from Heathrow to Graz
Explore the most affordable flight options available from Heathrow to Graz. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 August 2025.

Sat 27/909:05LHR - GRZ
1 stop3h 50mAustrian Airlines
Sat 4/1016:35GRZ - LHR
1 stop6h 05mAustrian Airlines
Deal found 13/8£185
Sat 27/906:55LHR - GRZ
1 stop4h 40mMultiple Airlines
Sat 4/1016:35GRZ - LHR
1 stop6h 05mMultiple Airlines
Deal found 12/8£188
Fri 10/1006:00LHR - GRZ
1 stop3h 50mAustrian Airlines
Tue 21/1006:00GRZ - LHR
1 stop3h 45mAustrian Airlines
Deal found 12/8£189
Sat 27/906:00LHR - GRZ
1 stop3h 50mAustrian Airlines
Mon 29/911:25GRZ - LHR
1 stop11h 15mAustrian Airlines
Deal found 14/8£190
Fri 26/912:10LHR - GRZ
1 stop6h 25mEurowings
Tue 30/908:40GRZ - LHR
1 stop8h 45mEurowings
Deal found 14/8£190
Thu 9/1007:25LHR - GRZ
1 stop4h 10mLufthansa
Sun 19/1006:00GRZ - LHR
1 stop5h 40mLufthansa
Deal found 12/8£195
Fri 19/908:40LHR - GRZ
1 stop8h 55mMultiple Airlines
Sun 28/916:35GRZ - LHR
1 stop16h 45mMultiple Airlines
Deal found 13/8£201
Sun 28/906:00LHR - GRZ
1 stop8h 55mMultiple Airlines
Sun 5/1019:00GRZ - LHR
1 stop4h 10mMultiple Airlines
Deal found 14/8£202
Fri 26/912:10LHR - GRZ
1 stop6h 25mMultiple Airlines
Tue 30/911:55GRZ - LHR
2 stops22h 15mMultiple Airlines
Deal found 14/8£216
Sun 28/906:00LHR - GRZ
1 stop8h 55mAustrian Airlines
Sun 5/1011:25GRZ - LHR
1 stop22h 35mAustrian Airlines
Deal found 14/8£218

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Graz 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 August 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Graz that are best for you.

Fly from

Heathrow

Fly to

Graz

Route

Depart

Return

Price

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Sat 27/9

09:05-13:55

1 stop3h 50m

Graz Thalerhof

Sat 4/10

16:35-21:40

1 stop6h 05m

£185

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Sat 27/9

06:55-12:35

1 stop4h 40m

Graz Thalerhof

Sat 4/10

16:35-21:40

1 stop6h 05m

£188

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Sun 28/9

06:00-15:55

1 stop8h 55m

Graz Thalerhof

Sun 5/10

16:35-08:20

1 stop16h 45m

£188

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Thu 9/10

10:50-16:15

1 stop4h 25m

Graz Thalerhof

Mon 20/10

11:25-14:20

1 stop3h 55m

£188

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Fri 10/10

06:00-10:50

1 stop3h 50m

Graz Thalerhof

Mon 20/10

11:25-14:20

1 stop3h 55m

£188

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Sat 27/9

06:55-12:35

1 stop4h 40m

Graz Thalerhof

Mon 6/10

11:25-14:20

1 stop3h 55m

£188

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Thu 9/10

10:50-16:15

1 stop4h 25m

Graz Thalerhof

Tue 21/10

16:35-21:40

1 stop6h 05m

£188

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Sat 11/10

09:00-16:15

1 stop6h 15m

Graz Thalerhof

Tue 21/10

06:00-08:45

1 stop3h 45m

£188

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Sat 11/10

07:25-12:35

1 stop4h 10m

Graz Thalerhof

Mon 20/10

11:25-14:20

1 stop3h 55m

£188

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Sun 14/12

06:00-13:10

1 stop6h 10m

Graz Thalerhof

Fri 19/12

18:40-21:40

1 stop4h 00m

£189

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Showing 1-10 of 24 results
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2
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Best time to book a flight from Heathrow to Graz

Have a flexible travel schedule? Discover the best time to fly to Graz from Heathrow 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 London Heathrow Airport to Graz

What is the cheapest time of day to fly from LHR to GRZ?

Find hourly flight availability from Heathrow to Graz. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 August 2025.

When flying from London Heathrow Airport to Graz, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 32% versus a flight at midday.

What’s the top stopover airport for flights from London Heathrow Airport to Graz?

Share of one-stop return flights from London Heathrow Airport to Graz chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Vienna (VIE) – chosen by Cheapflights users on 53% of one-stop itineraries from London Heathrow Airport to Graz on Cheapflights.

What’s the cheapest stopover airport for flights from London Heathrow Airport to Graz?

Average return fare for one-stop flights from London Heathrow Airport to Graz, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Vienna (VIE) is the most affordable one-stop option, with an average return flight price of £242.

What’s the fastest stopover option from London Heathrow Airport to Graz?

Shortest average travel time for one-stop one-way flights from London Heathrow Airport to Graz, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Munich (MUC) have the shortest average one-way travel time for one-stop routes: 4h 26m.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Graz?

Average stopover duration for one-stop one-way flights from London Heathrow Airport to Graz, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average stopover time of 1h 26m.

Reviews of airlines servicing Graz

Get insights into the airlines that provide service to Graz. 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 Graz. Reviews last updated 15 August 2025.
Get a feel of what it's like to fly with Austrian Airlines and Lufthansa from London Heathrow Airport to Graz by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
829 reviews
Check prices

Crew

8.1

Boarding

7.6

Food

6.8

Overall

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
829 reviews
Austrian Airlines
7.6
Good
829 reviews
Check prices

Crew

8.1

Boarding

7.6

Food

6.8

Overall

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
7,321 reviews
Austrian Airlines
7.6
Good
829 reviews
Check prices

Crew

8.1

Boarding

7.6

Food

6.8

Overall

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 Heathrow to Graz. 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 into for flights to Graz from London Heathrow?

    Graz Thalerhof (GRZ) is the airport you will fly into if you book a flight from London Heathrow to Graz. You should not have trouble finding flights to Thalerhof from London Heathrow; the airport handles an average of 0 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the Graz airport from London Heathrow. It is only a 5.2 mi journey from Thalerhof (GRZ) to Graz’s city center.

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

    Cheapflights users have booked flights from London Heathrow Airport to Graz round-trip from £151. Another airline that can offer you cheap pricing is Lufthansa. Users have found that Austrian Airlines is 39% cheaper than the other options available to this destination.

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

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

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

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

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

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

See more FAQs

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Alternative routes for Heathrow to Graz

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Heathrow to Graz

Discover the top 2 airlines that operate flights from Heathrow to Graz. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 15 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest£151Average£190FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LufthansaCheapest£170Average£206FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

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

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

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 Heathrow to Graz.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Graz flexibly with Cheapflights today.

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

Of course! You can now track prices for flights from Heathrow to Graz and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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