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Cheap flights from Graz to London Heathrow Airport from £103

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 24/4. Fares are subject to change and may not be available on all flights or dates of travel.
GRZ — LHR
17 May — 24 May1
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 17 April 2026.

Mon 20/408:30
GRZ
-
LHR
1 stop6h 35m
Eurowings
Wed 22/414:45
LHR
-
GRZ
1 stop4h 20m
Eurowings
Deal found 12/4£201
Mon 27/408:30
GRZ
-
LHR
1 stop6h 35m
Eurowings
Thu 30/414:45
LHR
-
GRZ
1 stop4h 20m
Eurowings
Deal found 16/4£210
Fri 24/413:20
GRZ
-
LHR
1 stop6h 25m
Eurowings
Wed 29/408:05
LHR
-
GRZ
1 stop5h 10m
Eurowings
Deal found 15/4£210
Wed 2/1210:10
GRZ
-
LHR
1 stop3h 55m
Eurowings
Mon 7/1208:05
LHR
-
GRZ
1 stop6h 05m
Eurowings
Deal found 16/4£213
Wed 28/1010:10
GRZ
-
LHR
1 stop5h 50m
Eurowings
Mon 2/1108:05
LHR
-
GRZ
1 stop6h 05m
Eurowings
Deal found 15/4£218
Mon 20/408:30
GRZ
-
LHR
1 stop6h 35m
Eurowings
Wed 29/408:05
LHR
-
GRZ
1 stop5h 10m
Eurowings
Deal found 15/4£235
Mon 9/1107:00
GRZ
-
LHR
1 stop7h 05m
Eurowings
Fri 13/1115:50
LHR
-
GRZ
1 stop5h 05m
Eurowings
Deal found 15/4£237
Wed 16/910:25
GRZ
-
LHR
1 stop8h 15m
Multiple Airlines
Mon 21/920:05
LHR
-
GRZ
1 stop11h 40m
Multiple Airlines
Deal found 14/4£241
Fri 20/1115:25
GRZ
-
LHR
1 stop4h 50m
SWISS
Sun 22/1107:00
LHR
-
GRZ
2 stops6h 40m
SWISS
Deal found 14/4£241

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 17 April 2026.

Round-trip from

£210

One-way from

£103

Popular in

March

Cheapest in

February

Average price

£232
Eurowings
  • Eurowings
  • 27/4-30/4
  • 2 total stops
  • 10h 55m total
  • Graz to London
Search Deals
Eurowings
  • Eurowings
  • 24/4
  • 1 total stop
  • 6h 25m total
  • Graz to London
Search Deals
High demand for flights, 3% potential price rise
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 April 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 17 April 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

Sun 31/5

16:50-22:40

1 stop6h 50m

London Heathrow

Thu 4/6

06:55-12:35

1 stop4h 40m

£271

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Sun 26/7

13:15-17:05

1 stop4h 50m

London Heathrow

Thu 30/7

10:50-16:10

1 stop4h 20m

£271

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Thu 7/5

16:50-22:40

1 stop6h 50m

London Heathrow

Mon 11/5

09:00-16:10

1 stop6h 10m

£271

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Mon 15/6

16:50-20:45

1 stop4h 55m

London Heathrow

Sun 21/6

07:25-12:35

1 stop4h 10m

£271

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Thu 6/8

13:15-18:25

1 stop6h 10m

London Heathrow

Thu 13/8

09:00-16:10

1 stop6h 10m

£271
Fastest return journey

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Wed 17/6

09:50-12:50

1 stop4h 00m

London Heathrow

Sun 21/6

07:25-12:35

1 stop4h 10m

£271

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Sat 1/8

16:50-20:45

1 stop4h 55m

London Heathrow

Sat 8/8

06:55-12:40

1 stop4h 45m

£271

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Fri 8/5

16:50-20:45

1 stop4h 55m

London Heathrow

Tue 12/5

09:00-16:10

1 stop6h 10m

£272

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Fri 8/5

13:15-18:25

1 stop6h 10m

London Heathrow

Mon 11/5

06:55-12:35

1 stop4h 40m

£272

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Fri 28/8

16:50-22:40

1 stop6h 50m

London Heathrow

Wed 2/9

07:25-12:35

1 stop4h 10m

£272

Flights are sorted by cheapest return flights first.

Deals found on 12/4

Showing 1-10 of 24 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 £203). Flying from Graz to London Heathrow Airport in March 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 £271, Lufthansa can have you in London Heathrow Airport from Graz in 6h 50m. 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 £203). Flying from Graz to London Heathrow Airport in March 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
Milton Keynes
Wembley
Croydon
Northampton
Hounslow
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Chelmsford
Ipswich
Southend-on-Sea

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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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