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Cheap flights from London Heathrow Airport to Graz from £125

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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — GRZ
31 Jul — 7 Aug1
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 1 July 2026.

Wed 12/809:05
LHR
-
GRZ
1 stop5h 50m
Multiple Airlines
Wed 19/810:50
GRZ
-
LHR
1 stop6h 35m
Multiple Airlines
Deal found 26/6£214
Tue 11/806:00
LHR
-
GRZ
1 stop8h 55m
Multiple Airlines
Tue 18/810:10
GRZ
-
LHR
1 stop7h 15m
Multiple Airlines
Deal found 27/6£215
Fri 14/807:25
LHR
-
GRZ
1 stop4h 10m
Lufthansa
Fri 21/816:50
GRZ
-
LHR
1 stop4h 55m
Lufthansa
Deal found 30/6£216
Wed 2/912:10
LHR
-
GRZ
1 stop4h 40m
SWISS
Wed 16/918:50
GRZ
-
LHR
1 stop3h 55m
SWISS
Deal found 28/6£221
Wed 2/906:55
LHR
-
GRZ
1 stop8h 15m
Multiple Airlines
Wed 16/910:50
GRZ
-
LHR
1 stop6h 35m
Multiple Airlines
Deal found 1/7£222
Thu 30/719:10
LHR
-
GRZ
1 stop13h 00m
Lufthansa
Tue 4/813:15
GRZ
-
LHR
1 stop4h 50m
Lufthansa
Deal found 29/6£223
Wed 29/720:25
LHR
-
GRZ
1 stop11h 45m
Lufthansa
Thu 6/813:15
GRZ
-
LHR
1 stop8h 30m
Lufthansa
Deal found 29/6£224
Fri 14/820:05
LHR
-
GRZ
1 stop12h 20m
SWISS
Mon 17/810:50
GRZ
-
LHR
1 stop22h 05m
SWISS
Deal found 28/6£225
Thu 8/1006:00
LHR
-
GRZ
1 stop8h 35m
Austrian Airlines
Tue 13/1016:15
GRZ
-
LHR
1 stop6h 25m
Austrian Airlines
Deal found 29/6£226
Thu 8/1006:55
LHR
-
GRZ
1 stop4h 40m
Lufthansa
Tue 13/1013:15
GRZ
-
LHR
1 stop6h 10m
Lufthansa
Deal found 29/6£227

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 1 July 2026.

Round-trip from

£212

One-way from

£125

Popular in

September

Cheapest in

January

Average price

£219
SWISS
  • SWISS
  • 2/9-16/9
  • 2 total stops
  • 8h 35m total
  • London to Graz
Search Deals
8/7
  • 8/7
  • 2 total stops
  • 18h 05m total
  • London to Graz
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£41 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 1 July 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 - GRZ

LHRGRZ

London Heathrow

Wed 12/8

09:05-15:55

1 stop5h 50m

Graz Thalerhof

Wed 19/8

10:50-16:25

1 stop6h 35m

£214

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Thu 13/8

09:05-15:55

1 stop5h 50m

Graz Thalerhof

Thu 20/8

16:35-21:40

1 stop6h 05m

£222

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Wed 2/9

06:55-16:10

1 stop8h 15m

Graz Thalerhof

Wed 16/9

10:50-16:25

1 stop6h 35m

£222

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Thu 20/8

06:00-15:55

1 stop8h 55m

Graz Thalerhof

Mon 24/8

16:15-08:20

1 stop17h 05m

£222
Fastest return journey

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Fri 14/8

07:25-12:35

1 stop4h 10m

Graz Thalerhof

Fri 21/8

13:15-17:05

1 stop4h 50m

£224

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Tue 11/8

06:00-15:55

1 stop8h 55m

Graz Thalerhof

Tue 18/8

10:10-16:25

1 stop7h 15m

£224

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Fri 28/8

18:40-09:25

1 stop13h 45m

Graz Thalerhof

Fri 4/9

19:55-16:25

1 stop21h 30m

£225

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Mon 14/9

06:00-15:35

1 stop8h 35m

Graz Thalerhof

Mon 21/9

16:15-21:40

1 stop6h 25m

£226

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Mon 21/9

06:00-15:35

1 stop8h 35m

Graz Thalerhof

Mon 28/9

16:15-21:40

1 stop6h 25m

£226

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Wed 9/9

09:05-15:55

1 stop5h 50m

Graz Thalerhof

Sun 13/9

06:15-10:40

1 stop5h 25m

£228

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 24 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 60% 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 £212.

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 16m.

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 40m.

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 1 July 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
8,109 reviews
Check prices

Food

6.3

Overall

6.8

Entertainment

6.4

Comfort

6.8

Boarding

7.0

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
8,109 reviews
Lufthansa
6.8
Okay
8,109 reviews
Check prices

Food

6.3

Overall

6.8

Entertainment

6.4

Comfort

6.8

Boarding

7.0

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

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, Lufthansa, and SWISS fly from London Heathrow Airport to Graz in about 4h 10m. The time it takes to get you to your destination can typically vary by up to 15h. 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

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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 1 July 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£189Average£309FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Graz from Heathrow today with Cheapflights!

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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