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Cheap flights from Graz to London Heathrow Airport from £109

GRZ — LHR
15 Oct — 22 Oct1
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

Mon 23/1106:00 -
1 stop8h 00m
Sun 29/1108:45 -
1 stop6h 00m
Deal found 14/9£173
Wed 25/1116:25 -
1 stop4h 10m
Fri 4/1206:35 -
1 stop5h 30m
Deal found 12/9£174
Wed 25/1116:25 -
1 stop4h 10m
Sun 29/1108:45 -
1 stop6h 00m
Deal found 11/9£175
Fri 11/1213:50 -
1 stop5h 40m
Mon 14/1216:40 -
1 stop4h 40m
Deal found 10/9£176
Thu 26/1116:25 -
1 stop7h 30m
Thu 3/1208:45 -
1 stop6h 00m
Deal found 12/9£178
Sat 21/1109:50 -
1 stop7h 00m
Sun 22/1108:45 -
1 stop6h 00m
Deal found 14/9£181
Mon 16/1114:35 -
1 stop7h 15m
Tue 17/1117:50 -
1 stop3h 45m
Deal found 13/9£182
Fri 27/1113:50 -
1 stop5h 40m
Mon 30/1120:15 -
1 stop11h 55m
Deal found 11/9£182
Sun 15/1114:35 -
1 stop4h 10m
Tue 17/1106:35 -
1 stop5h 30m
Deal found 13/9£183
Mon 16/1114:35 -
1 stop5h 10m
Fri 20/1107:40 -
1 stop4h 25m
Deal found 10/9£184
Fri 13/1118:45 -
1 stop3h 55m
Sun 15/1107:40 -
1 stop7h 05m
Deal found 12/9£186

Find flight deals from Graz to Heathrow

Round-trip from

£170

One-way from

£109

Popular in

June

Cheapest in

February

Average price

£270
Lufthansa
  • Lufthansa
  • 11/1-22/1
  • 2 total stops
  • 8h 35m total
  • Graz to London
Search Deals
Eurowings
  • Eurowings
  • 11/12-31/12
  • 1 total stop
  • 4h 05m total
  • Graz to London
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£25 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
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 Graz Thalerhof - LHR London Heathrow

GRZLHR

Graz Thalerhof

Thu 10/12

16:25-21:00

1 stop5h 35m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£114

GrazLondon

GRZ Graz Thalerhof - LHR London Heathrow

GRZLHR

Graz Thalerhof

Tue 29/12

13:50-21:00

1 stop8h 10m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£136

GrazLondon

GRZ Graz Thalerhof - LHR London Heathrow

GRZLHR

Graz Thalerhof

Mon 19/10

16:50-20:45

1 stop4h 55m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£146

GrazLondon

GRZ Graz Thalerhof - LHR London Heathrow

GRZLHR

Graz Thalerhof

Wed 21/10

16:50-20:45

1 stop4h 55m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£146

GrazLondon

GRZ Graz Thalerhof - LHR London Heathrow

GRZLHR

Graz Thalerhof

Sat 31/10

16:25-21:00

1 stop5h 35m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£147
Fastest return journey

GrazLondon

GRZ Graz Thalerhof - LHR London Heathrow

GRZLHR

Graz Thalerhof

Sun 18/10

13:15-17:05

1 stop4h 50m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£147

GrazLondon

GRZ Graz Thalerhof - LHR London Heathrow

GRZLHR

Graz Thalerhof

Thu 15/10

16:50-22:40

1 stop6h 50m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£147

GrazLondon

GRZ Graz Thalerhof - LHR London Heathrow

GRZLHR

Graz Thalerhof

Wed 14/10

13:15-18:25

1 stop6h 10m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£147

GrazLondon

GRZ Graz Thalerhof - LHR London Heathrow

GRZLHR

Graz Thalerhof

Mon 12/10

16:50-20:45

1 stop4h 55m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£147

GrazLondon

GRZ Graz Thalerhof - LHR London Heathrow

GRZLHR

Graz Thalerhof

Mon 26/10

10:45-16:20

1 stop6h 35m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£151

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 22 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

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 £209). Flying from Graz to London Heathrow Airport in June is currently the most expensive (average of £313). 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?

Airfare is below average for this route at the moment.

Graz to London Heathrow Airport flights typically cost between £233 and £327 in January.
The cheapest return price found within the last 5 days was £170 on Lufthansa (11 Jan–22 Jan).

Related info for your journey

  • 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 £177, Lufthansa can have you in London Heathrow Airport from Graz in 5h 35m. 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 £209). Flying from Graz to London Heathrow Airport in June is currently the most expensive (average of £313). 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
Luton
Milton Keynes
Gatwick
Wembley
Slough
Ilford
Hayes
Northampton
Croydon
Colchester
Eastbourne
Brentford
Enfield
Southend-on-Sea
Barnet
Southall
Watford
Swindon
Kingston upon Thames

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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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