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

For as low as £167, Lufthansa can have you in London Heathrow Airport from Graz in 4h 15m. There are 779 mi between Graz and London Heathrow Airport.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What is the cheapest time of day to fly from GRZ to LHR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Graz to London Heathrow Airport as you normally would.

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.

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.

£103+ Flights from Graz to London Heathrow Airport

Cheap flight deals from Graz to Heathrow

Round-trip from	£160
One-way from	£103
Popular in	August
Cheapest in	February
Average price	£287

Lufthansa
20/3-22/3
2 total stops
12h 45m total
Graz to London

Search Deals

Eurowings
24/11
1 total stop
7h 05m total
Graz to London

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£20 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 October 2025

Search Deals

Find 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 22 October 2025.

Tue 2/1213:50GRZ - LHR

1 stop6h 45mLufthansa

Thu 4/1207:40LHR - GRZ

1 stop7h 00mLufthansa

Deal found 22/10£165

Fri 14/1113:50GRZ - LHR

1 stop5h 45mLufthansa

Mon 17/1116:40LHR - GRZ

1 stop5h 00mLufthansa

Deal found 22/10£166

Sat 15/1109:50GRZ - LHR

1 stop4h 10mLufthansa

Mon 17/1116:40LHR - GRZ

1 stop5h 00mLufthansa

Deal found 22/10£167

Wed 31/1216:20GRZ - LHR

1 stop5h 40mLufthansa

Thu 1/107:40LHR - GRZ

1 stop7h 00mLufthansa

Deal found 22/10£168

Wed 24/1209:50GRZ - LHR

1 stop7h 00mLufthansa

Thu 1/108:45LHR - GRZ

1 stop5h 55mLufthansa

Deal found 20/10£169

Fri 21/1113:50GRZ - LHR

1 stop6h 45mLufthansa

Mon 24/1117:50LHR - GRZ

1 stop3h 50mLufthansa

Deal found 20/10£171

Sat 22/1106:10GRZ - LHR

1 stop7h 50mLufthansa

Mon 24/1117:50LHR - GRZ

1 stop3h 50mLufthansa

Deal found 20/10£172

Wed 19/1106:10GRZ - LHR

1 stop7h 50mLufthansa

Sun 23/1108:45LHR - GRZ

1 stop5h 55mLufthansa

Deal found 20/10£172

Wed 3/1214:15GRZ - LHR

1 stop4h 30mLufthansa

Sat 6/1208:45LHR - GRZ

1 stop5h 55mLufthansa

Deal found 21/10£173

Thu 4/1214:15GRZ - LHR

1 stop4h 30mLufthansa

Wed 10/1217:50LHR - GRZ

1 stop3h 50mLufthansa

Deal found 21/10£174

Fri 21/1113:50GRZ - LHR

1 stop6h 45mLufthansa

Sun 23/1108:45LHR - GRZ

1 stop5h 55mLufthansa

Deal found 21/10£174

Sat 15/1109:50GRZ - LHR

1 stop4h 10mLufthansa

Sun 16/1108:45LHR - GRZ

1 stop5h 55mLufthansa

Deal found 22/10£175

Best flights from Graz to Heathrow
Discover carefully curated flight deals from Graz to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 October 2025.

Tue 9/1213:50GRZ - LHR

1 stop4h 15mLufthansa

Wed 10/1217:50LHR - GRZ

1 stop3h 50mLufthansa

Deal found 20/10£167

Thu 11/1216:20GRZ - LHR

1 stop4h 15mLufthansa

Tue 16/1206:35LHR - GRZ

1 stop5h 20mLufthansa

Deal found 20/10£167

Sat 15/1109:50GRZ - LHR

1 stop4h 10mLufthansa

Mon 17/1116:40LHR - GRZ

1 stop5h 00mLufthansa

Deal found 20/10£167

Mon 9/216:20GRZ - LHR

1 stop4h 15mLufthansa

Wed 11/217:50LHR - GRZ

1 stop3h 50mLufthansa

Deal found 22/10£169

Sun 8/209:50GRZ - LHR

1 stop7h 00mLufthansa

Wed 11/217:50LHR - GRZ

1 stop3h 50mLufthansa

Deal found 22/10£169

Thu 5/316:20GRZ - LHR

1 stop4h 15mLufthansa

Sun 8/316:40LHR - GRZ

1 stop5h 00mLufthansa

Deal found 20/10£169

Tue 17/309:50GRZ - LHR

1 stop4h 10mLufthansa

Sat 21/308:45LHR - GRZ

1 stop5h 55mLufthansa

Deal found 20/10£169

Tue 17/309:50GRZ - LHR

1 stop4h 10mLufthansa

Sun 22/316:40LHR - GRZ

1 stop5h 00mLufthansa

Deal found 20/10£169

Sun 8/216:20GRZ - LHR

1 stop5h 40mLufthansa

Tue 10/206:35LHR - GRZ

1 stop5h 20mLufthansa

Deal found 21/10£169

Wed 18/316:20GRZ - LHR

1 stop4h 15mLufthansa

Sat 21/307:40LHR - GRZ

1 stop7h 00mLufthansa

Deal found 20/10£169

Thu 12/216:20GRZ - LHR

1 stop5h 40mLufthansa

Mon 16/217:50LHR - GRZ

1 stop3h 50mLufthansa

Deal found 21/10£169

Sun 15/316:20GRZ - LHR

1 stop5h 40mLufthansa

Sun 22/316:40LHR - GRZ

1 stop5h 00mLufthansa

Deal found 20/10£169

Last-minute flights from Graz to Heathrow
Discover last-minute flight deals from Graz to Heathrow. Data last updated 22 October 2025 and is based on user searches.

Fri 14/1113:50GRZ - LHR

1 stop5h 45mLufthansa

Mon 17/1116:40LHR - GRZ

1 stop5h 00mLufthansa

Deal found 22/10£166

Sat 15/1109:50GRZ - LHR

1 stop4h 10mLufthansa

Mon 17/1116:40LHR - GRZ

1 stop5h 00mLufthansa

Deal found 22/10£167

Sat 15/1109:50GRZ - LHR

1 stop7h 00mLufthansa

Sat 15/1120:15LHR - GRZ

1 stop11h 55mLufthansa

Deal found 22/10£174

Sat 15/1109:50GRZ - LHR

1 stop4h 10mLufthansa

Sun 16/1108:45LHR - GRZ

1 stop5h 55mLufthansa

Deal found 22/10£175

Wed 19/1106:10GRZ - LHR

1 stop7h 50mLufthansa

Sun 23/1108:45LHR - GRZ

1 stop5h 55mLufthansa

Deal found 20/10£172

Wed 19/1106:05GRZ - LHR

1 stop4h 40mLufthansa

Sat 22/1106:35LHR - GRZ

1 stop8h 05mLufthansa

Deal found 20/10£173

Fri 21/1113:50GRZ - LHR

1 stop6h 45mLufthansa

Mon 24/1117:50LHR - GRZ

1 stop3h 50mLufthansa

Deal found 20/10£171

Fri 21/1113:50GRZ - LHR

1 stop6h 45mLufthansa

Sun 23/1108:45LHR - GRZ

1 stop5h 55mLufthansa

Deal found 21/10£174

Sat 22/1106:10GRZ - LHR

1 stop7h 50mLufthansa

Mon 24/1117:50LHR - GRZ

1 stop3h 50mLufthansa

Deal found 20/10£172

Sat 22/1106:10GRZ - LHR

1 stop7h 50mLufthansa

Sat 22/1120:15LHR - GRZ

1 stop11h 55mLufthansa

Deal found 20/10£178

Fri 28/1113:50GRZ - LHR

1 stop5h 45mLufthansa

Wed 3/1208:45LHR - GRZ

1 stop5h 55mLufthansa

Deal found 20/10£177

One-way flights from Graz to Heathrow
Search for one-way flight options from Graz to Heathrow. Find affordable one-way fares based on user searches. Data last updated 22 October 2025.

Mon 24/1107:00GRZ - LHR

1 stop7h 05mEurowings

Deal found 22/10£103

Fri 12/1213:50GRZ - LHR

1 stop6h 45mLufthansa

Deal found 21/10£106

Sat 6/1206:10GRZ - LHR

1 stop10h 40mLufthansa

Deal found 21/10£107

Wed 7/116:20GRZ - LHR

1 stop7h 35mLufthansa

Deal found 20/10£109

Wed 26/1110:15GRZ - LHR

1 stop5h 30mLufthansa

Deal found 22/10£111

Tue 28/1006:10GRZ - LHR

1 stop5h 15mLufthansa

Deal found 21/10£122

Thu 13/1109:50GRZ - LHR

1 stop7h 00mLufthansa

Deal found 22/10£123

Sat 15/1116:20GRZ - LHR

1 stop5h 40mLufthansa

Deal found 21/10£124

Thu 6/1106:10GRZ - LHR

1 stop14h 25mLufthansa

Deal found 20/10£126

Sat 6/1215:05GRZ - LHR

1 stop18h 15mAustrian Airlines

Deal found 22/10£128

Fri 14/1115:05GRZ - LHR

1 stop18h 00mSWISS

Deal found 20/10£130

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

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Tue 9/12

13:50-17:05

1 stop4h 15m

London Heathrow

Wed 10/12

17:50-22:40

1 stop3h 50m

£167

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Thu 11/12

16:20-19:35

1 stop4h 15m

London Heathrow

Tue 16/12

06:35-12:55

1 stop5h 20m

£167

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Sat 15/11

09:50-13:00

1 stop4h 10m

London Heathrow

Mon 17/11

16:40-22:40

1 stop5h 00m

£167

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Mon 9/2

16:20-19:35

1 stop4h 15m

London Heathrow

Wed 11/2

17:50-22:40

1 stop3h 50m

£169

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Sun 8/2

09:50-15:50

1 stop7h 00m

London Heathrow

Wed 11/2

17:50-22:40

1 stop3h 50m

£169

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Thu 5/3

16:20-19:35

1 stop4h 15m

London Heathrow

Sun 8/3

16:40-22:40

1 stop5h 00m

£169

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Tue 17/3

09:50-13:00

1 stop4h 10m

London Heathrow

Sat 21/3

08:45-15:40

1 stop5h 55m

£169

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Tue 17/3

09:50-13:00

1 stop4h 10m

London Heathrow

Sun 22/3

16:40-22:40

1 stop5h 00m

£169

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Sun 8/2

16:20-21:00

1 stop5h 40m

London Heathrow

Tue 10/2

06:35-12:55

1 stop5h 20m

£169

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Wed 18/3

16:20-19:35

1 stop4h 15m

London Heathrow

Sat 21/3

07:40-15:40

1 stop7h 00m

£169

Flights are sorted by cheapest return flights first.

Deals found on 22/10

Showing 1-10 of 23 results

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

How far ahead should I book a flight from Graz to London Heathrow Airport?

The best time to book flights from Graz to London Heathrow Airport is 84 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, May is the cheapest month in which you can book a flight from Graz to London Heathrow Airport (average of £100). Flying from Graz to London Heathrow Airport in December is currently the most expensive (average of £131). 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.

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 £167, Lufthansa can have you in London Heathrow Airport from Graz in 4h 15m. 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, May is the cheapest month in which you can book a flight from Graz to London Heathrow Airport (average of £100). Flying from Graz to London Heathrow Airport in December is currently the most expensive (average of £131). 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

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

Cheapflights makes it easy to find Graz to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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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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 24/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Graz to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Graz to Heathrow

Cheapest flights from Graz to HeathrowExplore 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 22 October 2025.

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 22 October 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Graz to London Heathrow Airport that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Graz to London Heathrow Airport

How far ahead should I book a flight from Graz to London Heathrow Airport?

What is the cheapest month to book a 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?

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

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

How can I find direct flights from Graz to Heathrow?

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

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

Travelling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Graz to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

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 Graz to Heathrow?

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

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

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

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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 22 October 2025.