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Cheap flights from London Heathrow Airport to Graz from £123

LHR — GRZ
29 Oct — 5 Nov1
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

Fri 13/1112:05 -
1 stop4h 55m
Tue 17/1110:40 -
1 stop12h 00m
Deal found 24/9£189
Wed 11/1109:00 -
1 stop8h 00m
Wed 18/1118:45 -
1 stop3h 55m
Deal found 27/9£194
Fri 27/1106:35 -
1 stop5h 30m
Mon 30/1114:35 -
1 stop7h 15m
Deal found 27/9£198
Wed 28/1008:45 -
1 stop6h 00m
Mon 23/1114:35 -
1 stop5h 10m
Deal found 25/9£199
Fri 6/1106:35 -
1 stop5h 30m
Mon 9/1114:35 -
1 stop4h 10m
Deal found 26/9£200
Fri 6/1112:05 -
1 stop4h 55m
Fri 13/1118:45 -
1 stop3h 55m
Deal found 25/9£203
Fri 6/1118:40 -
1 stop14h 15m
Mon 9/1114:35 -
1 stop5h 10m
Deal found 24/9£204
Fri 4/1206:35 -
1 stop5h 30m
Sun 6/1216:25 -
1 stop7h 30m
Deal found 24/9£206
Thu 29/1009:00 -
1 stop8h 05m
Sat 21/1110:40 -
1 stop6h 40m
Deal found 27/9£207
Fri 27/1106:35 -
1 stop5h 30m
Mon 30/1110:45 -
1 stop8h 05m
Deal found 27/9£208
Mon 9/1120:15 -
1 stop11h 55m
Sun 15/1109:50 -
1 stop7h 00m
Deal found 26/9£209
Mon 16/1116:40 -
1 stop4h 40m
Fri 20/1118:45 -
1 stop3h 55m
Deal found 27/9£211

Find flight deals from Heathrow to Graz

Round-trip from

£189

One-way from

£123

Popular in

May

Cheapest in

January

Average price

£189
SWISS
  • SWISS
  • 13/11-17/11
  • 2 total stops
  • 16h 55m total
  • London to Graz
Search Deals
Eurowings
  • Eurowings
  • 11/2-31/12
  • 1 total stop
  • 15h 50m total
  • London to Graz
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
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

Mon 2/11

12:15-10:15

1 stop21h 00m

Graz Thalerhof

Wed 31/12

00:00-00:00

Nonstop0h 00m

£137

LondonGraz

LHR London Heathrow - GRZ Graz Thalerhof

LHRGRZ

London Heathrow

Tue 17/11

17:10-18:00

1 stop23h 50m

Graz Thalerhof

Wed 31/12

00:00-00:00

Nonstop0h 00m

£142

LondonGraz

LHR London Heathrow - GRZ Graz Thalerhof

LHRGRZ

London Heathrow

Wed 10/2

06:00-18:00

1 stop11h 00m

Graz Thalerhof

Wed 31/12

00:00-00:00

Nonstop0h 00m

£143

LondonGraz

LHR London Heathrow - GRZ Graz Thalerhof

LHRGRZ

London Heathrow

Mon 5/10

08:50-16:20

1 stop6h 30m

Graz Thalerhof

Wed 31/12

00:00-00:00

Nonstop0h 00m

£162

LondonGraz

LHR London Heathrow - GRZ Graz Thalerhof

LHRGRZ

London Heathrow

Tue 3/11

09:00-13:15

2 stops27h 15m

Graz Thalerhof

Wed 31/12

00:00-00:00

Nonstop0h 00m

£169

LondonGraz

LHR London Heathrow - GRZ Graz Thalerhof

LHRGRZ

London Heathrow

Tue 15/12

14:25-18:00

2 stops26h 35m

Graz Thalerhof

Wed 31/12

00:00-00:00

Nonstop0h 00m

£171

LondonGraz

LHR London Heathrow - GRZ Graz Thalerhof

LHRGRZ

London Heathrow

Tue 9/2

14:25-18:00

2 stops26h 35m

Graz Thalerhof

Wed 31/12

00:00-00:00

Nonstop0h 00m

£173

LondonGraz

LHR London Heathrow - GRZ Graz Thalerhof

LHRGRZ

London Heathrow

Wed 27/1

18:50-13:55

2 stops18h 05m

Graz Thalerhof

Wed 31/12

00:00-00:00

Nonstop0h 00m

£177
Fastest return journey

LondonGraz

LHR London Heathrow - GRZ Graz Thalerhof

LHRGRZ

London Heathrow

Sun 1/11

08:45-15:45

1 stop6h 00m

Graz Thalerhof

Wed 31/12

00:00-00:00

Nonstop0h 00m

£187

LondonGraz

LHR London Heathrow - GRZ Graz Thalerhof

LHRGRZ

London Heathrow

Fri 16/10

06:00-19:05

1 stop12h 05m

Graz Thalerhof

Wed 31/12

00:00-00:00

Nonstop0h 00m

£190

Flights are sorted by cheapest return flights first.

Deals found on 27/9

Showing 1-10 of 22 resultsSorted by cheapest first
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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

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?

Munich (MUC) – chosen by Cheapflights users on 71% 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?

Vienna (VIE) is the most affordable one-stop option, with an average return flight price of £220.

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

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?

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 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
8,248 reviews
Check prices

Overall

6.8

Food

6.3

Entertainment

6.5

Boarding

7.0

Comfort

6.8

Crew

7.6

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
8,248 reviews
Lufthansa
6.8
Okay
8,248 reviews
Check prices

Overall

6.8

Food

6.3

Entertainment

6.5

Boarding

7.0

Comfort

6.8

Crew

7.6

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

  • 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 Lufthansa and SWISS fly from London Heathrow Airport to Graz in about 6h. The time it takes to get you to your destination can typically vary by up to 8h 15m. The distance from London Heathrow Airport to Graz is about 779 mi. This flight may include one or multiple stops.

  • 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 £189.

  • 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

Top airline flying from Heathrow to Graz

AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£189Average£275FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

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