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 10m. 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.

£108+ Flights from Graz to London Heathrow Airport

Cheap flight deals from Graz to Heathrow

Round-trip from	£166
One-way from	£108
Popular in	August
Cheapest in	February
Average price	£256

Lufthansa
13/2-22/2
2 total stops
11h 40m total
Graz to London

Search Deals

Lufthansa
13/2
1 total stop
5h 15m 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 (£4 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Graz to Heathrow

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 September 2025.

Thu 4/1216:20GRZ - LHR

1 stop4h 15mLufthansa

Wed 10/1207:40LHR - GRZ

1 stop7h 00mLufthansa

Deal found 16/9£189

Tue 14/1011:55GRZ - LHR

2 stops22h 15mMultiple Airlines

Wed 22/1012:10LHR - GRZ

1 stop6h 25mMultiple Airlines

Deal found 16/9£190

Sat 6/1206:10GRZ - LHR

1 stop5h 15mLufthansa

Tue 9/1216:40LHR - GRZ

1 stop5h 00mLufthansa

Deal found 16/9£191

Wed 3/1216:20GRZ - LHR

1 stop4h 15mLufthansa

Tue 9/1216:40LHR - GRZ

1 stop5h 00mLufthansa

Deal found 16/9£191

Thu 4/1216:20GRZ - LHR

1 stop4h 15mLufthansa

Sun 7/1208:45LHR - GRZ

1 stop5h 55mLufthansa

Deal found 17/9£192

Fri 5/1214:15GRZ - LHR

1 stop4h 30mLufthansa

Sun 7/1208:45LHR - GRZ

1 stop5h 55mLufthansa

Deal found 15/9£193

Wed 3/1206:10GRZ - LHR

1 stop5h 15mLufthansa

Sun 7/1208:45LHR - GRZ

1 stop5h 55mLufthansa

Deal found 15/9£194

Mon 22/1214:15GRZ - LHR

1 stop4h 30mLufthansa

Fri 26/1206:35LHR - GRZ

1 stop5h 20mLufthansa

Deal found 16/9£195

Mon 8/1214:15GRZ - LHR

1 stop5h 30mLufthansa

Wed 10/1216:40LHR - GRZ

1 stop5h 00mLufthansa

Deal found 16/9£197

Fri 5/1214:15GRZ - LHR

1 stop4h 30mLufthansa

Tue 9/1217:50LHR - GRZ

1 stop3h 50mLufthansa

Deal found 16/9£197

Tue 30/1209:50GRZ - LHR

1 stop7h 00mLufthansa

Tue 30/1220:15LHR - GRZ

1 stop11h 55mLufthansa

Deal found 15/9£198

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 17 September 2025.

Wed 11/209:50GRZ - LHR

1 stop4h 10mLufthansa

Thu 19/217:50LHR - GRZ

1 stop3h 50mLufthansa

Deal found 15/9£167

Fri 13/313:50GRZ - LHR

1 stop4h 15mMultiple Airlines

Mon 16/306:00LHR - GRZ

1 stop6h 40mMultiple Airlines

Deal found 15/9£178

Tue 10/213:50GRZ - LHR

1 stop4h 15mLufthansa

Tue 17/206:35LHR - GRZ

1 stop5h 20mLufthansa

Deal found 15/9£167

Tue 10/213:50GRZ - LHR

1 stop6h 45mLufthansa

Thu 19/217:50LHR - GRZ

1 stop3h 50mLufthansa

Deal found 15/9£167

Thu 12/216:20GRZ - LHR

1 stop5h 40mLufthansa

Tue 17/206:35LHR - GRZ

1 stop5h 20mLufthansa

Deal found 15/9£167

Tue 10/213:50GRZ - LHR

1 stop4h 15mLufthansa

Wed 18/217:50LHR - GRZ

1 stop3h 50mLufthansa

Deal found 15/9£167

Thu 12/209:50GRZ - LHR

1 stop4h 10mLufthansa

Thu 19/208:45LHR - GRZ

1 stop5h 55mLufthansa

Deal found 15/9£167

Thu 12/216:20GRZ - LHR

1 stop5h 40mLufthansa

Wed 18/217:50LHR - GRZ

1 stop3h 50mLufthansa

Deal found 15/9£167

Tue 3/313:50GRZ - LHR

1 stop5h 45mLufthansa

Tue 10/306:35LHR - GRZ

1 stop5h 20mLufthansa

Deal found 16/9£167

Wed 11/209:50GRZ - LHR

1 stop4h 10mLufthansa

Wed 18/217:50LHR - GRZ

1 stop3h 50mLufthansa

Deal found 15/9£167

Sun 1/316:20GRZ - LHR

1 stop4h 15mLufthansa

Mon 9/317:50LHR - GRZ

1 stop3h 50mLufthansa

Deal found 16/9£167

Fri 13/213:50GRZ - LHR

1 stop5h 45mLufthansa

Sun 22/208:45LHR - GRZ

1 stop5h 55mLufthansa

Deal found 17/9£168

Last-minute flights from Graz to Heathrow
Discover last-minute flight deals from Graz to Heathrow. Data last updated 17 September 2025 and is based on user searches.

Mon 22/906:10GRZ - LHR

1 stop9h 00mEurowings

Wed 1/1014:50LHR - GRZ

1 stop6h 10mEurowings

Deal found 16/9£204

Mon 22/906:10GRZ - LHR

1 stop9h 00mMultiple Airlines

Wed 15/1008:40LHR - GRZ

1 stop8h 15mMultiple Airlines

Deal found 15/9£281

Mon 22/908:40GRZ - LHR

2 stops11h 45mMultiple Airlines

Wed 1/1014:50LHR - GRZ

1 stop6h 10mMultiple Airlines

Deal found 16/9£356

Tue 23/911:55GRZ - LHR

2 stops27h 50mMultiple Airlines

Thu 16/1012:10LHR - GRZ

1 stop5h 50mMultiple Airlines

Deal found 16/9£254

Tue 23/911:55GRZ - LHR

2 stops22h 15mMultiple Airlines

Tue 30/920:50LHR - GRZ

3 stops21h 45mMultiple Airlines

Deal found 16/9£308

Tue 23/908:40GRZ - LHR

1 stop8h 45mEurowings

Tue 30/919:25LHR - GRZ

1 stop25h 35mEurowings

Deal found 16/9£387

Thu 25/910:35GRZ - LHR

1 stop7h 05mLufthansa

Fri 26/910:50LHR - GRZ

1 stop4h 25mLufthansa

Deal found 15/9£370

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 17 September 2025.

Fri 13/206:10GRZ - LHR

1 stop5h 15mLufthansa

Deal found 15/9£108

Thu 25/911:20GRZ - LHR

2 stops22h 50mMultiple Airlines

Deal found 15/9£111

Fri 21/1119:00GRZ - LHR

1 stop13h 25mEurowings

Deal found 16/9£115

Fri 31/1019:00GRZ - LHR

1 stop13h 25mEurowings

Deal found 15/9£125

Mon 10/1107:00GRZ - LHR

1 stop5h 35mEurowings

Deal found 16/9£127

Mon 5/114:15GRZ - LHR

1 stop4h 30mLufthansa

Deal found 16/9£128

Thu 27/1116:25GRZ - LHR

1 stop20h 35mEurowings

Deal found 15/9£133

Thu 27/1116:25GRZ - LHR

2 stops17h 45mMultiple Airlines

Deal found 15/9£153

Mon 10/1110:55GRZ - LHR

3 stops26h 25mMultiple Airlines

Deal found 16/9£154

Fri 31/1006:00GRZ - LHR

2 stops16h 05mMultiple Airlines

Deal found 15/9£177

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

Wed 11/2

09:50-13:00

1 stop4h 10m

London Heathrow

Thu 19/2

17:50-22:40

1 stop3h 50m

£167

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Tue 10/2

13:50-17:05

1 stop4h 15m

London Heathrow

Tue 17/2

06:35-12:55

1 stop5h 20m

£167

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Tue 10/2

13:50-19:35

1 stop6h 45m

London Heathrow

Thu 19/2

17:50-22:40

1 stop3h 50m

£167

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Thu 12/2

16:20-21:00

1 stop5h 40m

London Heathrow

Tue 17/2

06:35-12:55

1 stop5h 20m

£167

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Tue 10/2

13:50-17:05

1 stop4h 15m

London Heathrow

Wed 18/2

17:50-22:40

1 stop3h 50m

£167

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Thu 12/2

09:50-13:00

1 stop4h 10m

London Heathrow

Thu 19/2

08:45-15:40

1 stop5h 55m

£167

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Thu 12/2

16:20-21:00

1 stop5h 40m

London Heathrow

Wed 18/2

17:50-22:40

1 stop3h 50m

£167

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Tue 3/3

13:50-18:35

1 stop5h 45m

London Heathrow

Tue 10/3

06:35-12:55

1 stop5h 20m

£167

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Wed 11/2

09:50-13:00

1 stop4h 10m

London Heathrow

Wed 18/2

17:50-22:40

1 stop3h 50m

£167

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Sun 1/3

16:20-19:35

1 stop4h 15m

London Heathrow

Mon 9/3

17:50-22:40

1 stop3h 50m

£167

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 21 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 62 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, January is the cheapest month in which you can book a flight from Graz to London Heathrow Airport (average of £112). Flying from Graz to London Heathrow Airport in August is currently the most expensive (average of £164). 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 10m. 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, January is the cheapest month in which you can book a flight from Graz to London Heathrow Airport (average of £112). Flying from Graz to London Heathrow Airport in August is currently the most expensive (average of £164). 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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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 £108

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 13/2. 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

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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 17 September 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 17 September 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 17 September 2025.