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Cheap flights from Graz to London Heathrow Airport from £121

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 18/6. Fares are subject to change and may not be available on all flights or dates of travel.
GRZ — LHR
28 Jun — 5 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Graz to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Graz to Heathrow
Explore the most affordable flight options available from Graz to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 May 2026.

Mon 10/809:50
GRZ
-
LHR
1 stop4h 00m
Lufthansa
Wed 19/809:00
LHR
-
GRZ
1 stop6h 10m
Lufthansa
Deal found 29/5£197
Fri 21/813:15
GRZ
-
LHR
1 stop4h 50m
Lufthansa
Mon 24/806:55
LHR
-
GRZ
1 stop8h 15m
Lufthansa
Deal found 27/5£198
Fri 16/1016:50
GRZ
-
LHR
1 stop6h 50m
Lufthansa
Mon 19/1006:55
LHR
-
GRZ
1 stop8h 15m
Lufthansa
Deal found 28/5£198
Wed 5/813:15
GRZ
-
LHR
1 stop4h 50m
Lufthansa
Wed 12/806:55
LHR
-
GRZ
1 stop4h 40m
Lufthansa
Deal found 29/5£199
Sat 17/1009:50
GRZ
-
LHR
1 stop6h 50m
Lufthansa
Mon 19/1006:55
LHR
-
GRZ
1 stop4h 40m
Lufthansa
Deal found 28/5£200
Thu 5/1116:20
GRZ
-
LHR
1 stop4h 15m
Lufthansa
Sun 8/1108:45
LHR
-
GRZ
1 stop5h 55m
Lufthansa
Deal found 29/5£201
Sun 9/816:50
GRZ
-
LHR
1 stop4h 55m
Lufthansa
Mon 10/807:25
LHR
-
GRZ
1 stop4h 10m
Lufthansa
Deal found 27/5£202
Tue 18/816:50
GRZ
-
LHR
1 stop4h 55m
Lufthansa
Wed 2/909:00
LHR
-
GRZ
1 stop6h 10m
Lufthansa
Deal found 29/5£203
Tue 23/606:15
GRZ
-
LHR
1 stop7h 25m
Lufthansa
Tue 30/607:25
LHR
-
GRZ
1 stop7h 45m
Lufthansa
Deal found 24/5£206
Mon 2/1114:35
GRZ
-
LHR
1 stop5h 10m
Lufthansa
Fri 6/1117:50
LHR
-
GRZ
1 stop3h 50m
Lufthansa
Deal found 29/5£207
Fri 24/714:55
GRZ
-
LHR
1 stop6h 45m
Lufthansa
Fri 7/806:55
LHR
-
GRZ
1 stop4h 40m
Lufthansa
Deal found 28/5£208

Find flight deals from Graz to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Graz (GRZ) to Heathrow (LHR). 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 29 May 2026.

Round-trip from

£197

One-way from

£121

Popular in

September

Cheapest in

February

Average price

£306
Lufthansa
  • Lufthansa
  • 10/8-19/8
  • 2 total stops
  • 10h 10m total
  • Graz to London
Search Deals
Eurowings
  • Eurowings
  • 18/6
  • 1 total stop
  • 6h 30m total
  • Graz to London
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£26 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Graz to Heathrow 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 29 May 2026.
Use the filters below to find and compare flights from Graz to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Sat 22/8

16:50-20:45

1 stop4h 55m

London Heathrow

Tue 25/8

09:00-16:10

1 stop6h 10m

£201

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Fri 21/8

09:50-15:40

1 stop6h 50m

London Heathrow

Mon 24/8

07:25-12:35

1 stop4h 10m

£201

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Sat 27/6

16:50-20:45

1 stop4h 55m

London Heathrow

Tue 30/6

06:55-12:35

1 stop4h 40m

£215

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Sun 30/8

06:15-12:40

1 stop7h 25m

London Heathrow

Mon 31/8

07:25-12:35

1 stop4h 10m

£222
Fastest return journey

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Mon 13/7

14:45-18:40

1 stop4h 55m

London Heathrow

Wed 15/7

07:25-12:35

1 stop4h 10m

£222

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Sat 1/8

06:00-12:40

1 stop7h 40m

London Heathrow

Thu 6/8

07:25-12:35

1 stop4h 10m

£223

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Fri 25/9

14:55-18:40

1 stop4h 45m

London Heathrow

Mon 28/9

08:30-13:55

1 stop4h 25m

£224

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Tue 22/9

14:45-18:40

1 stop4h 55m

London Heathrow

Thu 24/9

08:30-14:00

1 stop4h 30m

£224

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Tue 27/10

13:40-17:05

1 stop4h 25m

London Heathrow

Sat 31/10

06:35-15:40

1 stop8h 05m

£237

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Thu 5/11

19:00-17:50

1 stop23h 50m

London Heathrow

Tue 10/11

20:05-14:30

2 stops17h 25m

£252

Flights are sorted by cheapest return flights first.

Deals found on 29/5

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Graz to Heathrow

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

What is the cheapest month to book a flight from Graz to London Heathrow Airport?

Currently, February is the cheapest month in which you can book a flight from Graz to London Heathrow Airport (average of £205). Flying from Graz to London Heathrow Airport in September is currently the most expensive (average of £329). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Graz to London Heathrow Airport?

Related info for your journey

Find useful and relevant information for your journey from Graz to Heathrow. 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 from for flights from Graz to London Heathrow?

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

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

    For as low as £201, Lufthansa can have you in London Heathrow Airport from Graz in 4h 55m. There are 779 mi between Graz and London Heathrow Airport.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Graz to London Heathrow Airport?

    Currently, February is the cheapest month in which you can book a flight from Graz to London Heathrow Airport (average of £205). Flying from Graz to London Heathrow Airport in September is currently the most expensive (average of £329). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Northampton
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Ipswich
Watford
Swindon
Romford
Guildford
Borehamwood

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

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 Graz to Heathrow.

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

Need flexible booking options for your flight to Heathrow from Graz? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Graz today and book when prices fit your budget.

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