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Cheap flights from London Heathrow Airport to Graz from £108

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 16/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — GRZ
14 Sep — 21 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Graz

Enter your travel dates to find the best prices.

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 2026.

Mon 28/906:00 -
1 stop8h 35m
Mon 5/1016:15 -
1 stop6h 25m
Deal found 14/8£184
Wed 30/907:25 -
1 stop4h 10m
Wed 7/1016:15 -
1 stop6h 25m
Deal found 10/8£185
Fri 4/1213:50 -
1 stop7h 45m
Sun 6/1216:25 -
1 stop5h 35m
Deal found 13/8£187
Thu 24/906:00 -
1 stop8h 35m
Thu 1/1016:15 -
1 stop6h 25m
Deal found 10/8£189
Thu 8/1009:00 -
1 stop6h 10m
Sun 11/1013:15 -
1 stop4h 50m
Deal found 10/8£191
Mon 14/1220:05 -
1 stop12h 50m
Wed 13/118:45 -
1 stop3h 55m
Deal found 11/8£193
Sun 27/906:00 -
1 stop8h 35m
Sun 4/1014:55 -
1 stop8h 15m
Deal found 12/8£194
Fri 2/1006:00 -
1 stop8h 35m
Mon 5/1016:15 -
1 stop6h 25m
Deal found 13/8£195
Wed 16/907:25 -
1 stop7h 45m
Wed 23/910:50 -
1 stop6h 35m
Deal found 10/8£196
Fri 25/920:05 -
1 stop12h 20m
Sun 27/916:15 -
1 stop17h 05m
Deal found 10/8£197
Sat 26/906:00 -
1 stop6h 55m
Sat 3/1015:40 -
1 stop7h 00m
Deal found 12/8£198

Find 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 2026.

Round-trip from

£184

One-way from

£108

Popular in

September

Cheapest in

January

Average price

£191
Austrian Airlines
  • Austrian Airlines
  • 28/9-5/10
  • 2 total stops
  • 15h 00m total
  • London to Graz
Search Deals
Eurowings
  • Eurowings
  • 16/10
  • 1 total stop
  • 5h 30m total
  • London to Graz
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£25 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Graz that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonGraz

LHR London Heathrow - GRZ Graz Thalerhof

LHRGRZ

London Heathrow

Tue 29/9

06:00-15:35

1 stop8h 35m

Graz Thalerhof

Tue 6/10

16:15-21:40

1 stop6h 25m

£196

LondonGraz

LHR London Heathrow - GRZ Graz Thalerhof

LHRGRZ

London Heathrow

Sun 27/9

06:00-15:35

1 stop8h 35m

Graz Thalerhof

Sun 4/10

16:15-08:20

1 stop17h 05m

£199

LondonGraz

LHR London Heathrow - GRZ Graz Thalerhof

LHRGRZ

London Heathrow

Fri 2/10

06:00-15:35

1 stop8h 35m

Graz Thalerhof

Mon 5/10

16:15-21:40

1 stop6h 25m

£199

LondonGraz

LHR London Heathrow - GRZ Graz Thalerhof

LHRGRZ

London Heathrow

Thu 24/9

06:00-15:35

1 stop8h 35m

Graz Thalerhof

Thu 1/10

16:15-21:40

1 stop6h 25m

£200
Fastest return journey

LondonGraz

LHR London Heathrow - GRZ Graz Thalerhof

LHRGRZ

London Heathrow

Sat 31/10

11:10-15:45

1 stop3h 35m

Graz Thalerhof

Sun 1/11

16:25-19:35

1 stop4h 10m

£210

LondonGraz

LHR London Heathrow - GRZ Graz Thalerhof

LHRGRZ

London Heathrow

Fri 22/1

09:00-18:00

1 stop8h 00m

Graz Thalerhof

Sun 24/1

09:50-17:05

1 stop8h 15m

£221

LondonGraz

LHR London Heathrow - GRZ Graz Thalerhof

LHRGRZ

London Heathrow

Mon 28/9

20:05-15:35

2 stops18h 30m

Graz Thalerhof

Mon 5/10

16:15-21:40

1 stop6h 25m

£223

LondonGraz

LHR London Heathrow - GRZ Graz Thalerhof

LHRGRZ

London Heathrow

Sun 27/9

06:00-15:35

2 stops8h 35m

Graz Thalerhof

Sun 4/10

16:15-08:20

1 stop17h 05m

£223

LondonGraz

LHR London Heathrow - GRZ Graz Thalerhof

LHRGRZ

London Heathrow

Tue 29/9

06:00-15:35

2 stops8h 35m

Graz Thalerhof

Tue 6/10

16:15-21:40

1 stop6h 25m

£223

LondonGraz

LHR London Heathrow - GRZ Graz Thalerhof

LHRGRZ

London Heathrow

Sat 26/9

20:05-15:35

2 stops18h 30m

Graz Thalerhof

Sat 3/10

10:10-21:45

1 stop12h 35m

£224

Flights are sorted by cheapest return flights first.

Deals found on 12/8

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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’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.

Munich (MUC) – chosen by Cheapflights users on 63% 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 £227.

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 14m.

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 Munich (MUC) offer the fastest connection on this route, with an average stopover time of 1h 09m.

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 2026.
Get a feel of what it's like to fly with 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.
Lufthansa
6.8
Okay
8,194 reviews
Check prices

Boarding

7.0

Overall

6.8

Crew

7.6

Entertainment

6.5

Comfort

6.8

Food

6.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

LHR - FRA

Cut open our bags and stole out items. Broke the locks
Lufthansa
6.8
Okay
8,194 reviews
Lufthansa
6.8
Okay
8,194 reviews
Check prices

Boarding

7.0

Overall

6.8

Crew

7.6

Entertainment

6.5

Comfort

6.8

Food

6.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

LHR - FRA

Cut open our bags and stole out items. Broke the locks

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 1 airline has flights to the Graz airport from London Heathrow. It is only a 5.2 mi journey from Thalerhof (GRZ) to Graz’s city center.

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

    Airlines like Austrian Airlines fly from London Heathrow Airport to Graz in about 8h 35m. The time it takes to get you to your destination can typically vary by up to . The distance from London Heathrow Airport to Graz is about 779 mi.

  • What is the cheapest airline to fly from London Heathrow Airport to Graz round-trip?

    Cheapflights users have booked flights from London Heathrow Airport to Graz round-trip from £185.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Heathrow to Graz

Discover the top airline 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 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£185Average£269FlexibilityNo 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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