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Cheap flights from London Heathrow Airport to Graz from £138

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 24/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — GRZ
27 Mar — 3 Apr1
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 22 March 2025.

Round-trip from

£189

One-way from

£138

Popular in

September

Cheapest in

May

Average price

£192
SWISS
  • SWISS
  • 24/4-1/5
  • 2 total stops
  • 31h 00m total
  • London to Graz
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Lufthansa
  • Lufthansa
  • 24/6
  • 1 total stop
  • 6h 15m total
  • London to Graz
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£26 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 March 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 22 March 2025.

Thu 24/408:40LHR - GRZ
1 stop9h 20mSWISS
Thu 1/519:45GRZ - LHR
1 stop21h 40mSWISS
Deal found 21/3£189
Thu 3/420:25LHR - GRZ
1 stop11h 50mLufthansa
Sun 6/416:55GRZ - LHR
1 stop4h 50mLufthansa
Deal found 21/3£207
Thu 24/413:45LHR - GRZ
1 stop4h 15mMultiple Airlines
Thu 1/514:50GRZ - LHR
2 stops8h 50mMultiple Airlines
Deal found 21/3£222
Thu 29/506:00LHR - GRZ
1 stop3h 50mAustrian Airlines
Sun 1/616:35GRZ - LHR
1 stop6h 05mAustrian Airlines
Deal found 21/3£353

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 22 March 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

Thu 24/4

08:40-19:00

1 stop9h 20m

Graz Thalerhof

Thu 1/5

19:45-16:25

1 stop21h 40m

£189

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Thu 3/4

20:25-09:15

1 stop11h 50m

Graz Thalerhof

Sun 6/4

16:55-20:45

1 stop4h 50m

£207

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Thu 24/4

13:45-19:00

1 stop4h 15m

Graz Thalerhof

Thu 1/5

14:50-22:40

2 stops8h 50m

£222

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Thu 29/5

06:00-10:50

1 stop3h 50m

Graz Thalerhof

Sun 1/6

16:35-21:40

1 stop6h 05m

£353

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Tue 24/6

09:00-16:15

1 stop6h 15m

£138

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Fri 25/7

08:05-14:30

1 stop5h 25m

£155

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Tue 24/6

09:05-23:20

1 stop13h 15m

£156

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Tue 24/6

07:00-17:55

2 stops33h 55m

£167

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Fri 25/7

07:10-23:20

2 stops15h 10m

£169

Flights are sorted by cheapest return flights first.

Deals found on 21/3

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 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 22 March 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.

Rainfall in Graz by month

Plan your trip to Graz by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Graz ranges from 30.0 - 130.0 inches per month. July is typically the wettest month, when rainfall can reach 130.0 mm. January is typically the driest time to visit Graz when rainfall is around 30.0 mm.

Temperature in Graz by month

Plan your trip to Graz by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Graz, 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 19.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -2.0 C).

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 22 March 2025.
Austrian Airlines
7.6
Good
768 reviews
Check prices

Boarding

7.6

Entertainment

6.8

Crew

8.1

Comfort

7.3

Food

6.8

Overall

7.6

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
768 reviews
Austrian Airlines
7.6
Good
768 reviews
Check prices

Boarding

7.6

Entertainment

6.8

Crew

8.1

Comfort

7.3

Food

6.8

Overall

7.6

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
1,567 reviews
Austrian Airlines
7.6
Good
768 reviews
Check prices

Boarding

7.6

Entertainment

6.8

Crew

8.1

Comfort

7.3

Food

6.8

Overall

7.6

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
6,944 reviews
Austrian Airlines
7.6
Good
768 reviews
Check prices

Boarding

7.6

Entertainment

6.8

Crew

8.1

Comfort

7.3

Food

6.8

Overall

7.6

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
274 reviews
Austrian Airlines
7.6
Good
768 reviews
Check prices

Boarding

7.6

Entertainment

6.8

Crew

8.1

Comfort

7.3

Food

6.8

Overall

7.6

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 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 £189. Other airlines that can offer you cheap pricing are Lufthansa, from £207, and Austrian Airlines, from £353. Users have found that SWISS is 20% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to Graz one-way?

    The cheapest airline one-way is Lufthansa, with whom users have recently found tickets for as low as £138. However, be on the lookout for offers from Eurowings and Austrian Airlines, as they are both options that can get you from London Heathrow Airport to Graz for a low price.

  • 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 22 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest£158Average£239FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LufthansaCheapest£168Average£231FlexibilityNo 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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