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Cheap flights from London Heathrow Airport to Graz from £98

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Graz departing on 18/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from London Heathrow Airport to Graz

Cheap return flights

Enter your travel dates to find the best prices.
Eurowings Logo
12:10 - 20:05
LHR
-
GRZ
6h 55m
1 stop
Eurowings Logo
08:30 - 14:05
GRZ
-
LHR
6h 35m
1 stop
£200Eurowings
Wed, 10 Jun - Mon, 15 Jun
Multiple Airlines Logo
06:55 - 16:10
LHR
-
GRZ
8h 15m
1 stop
Multiple Airlines Logo
10:10 - 16:25
GRZ
-
LHR
7h 15m
1 stop
£216Multiple Airlines
Tue, 9 Jun - Tue, 16 Jun
Multiple Airlines Logo
06:00 - 15:35
LHR
-
GRZ
8h 35m
1 stop
Multiple Airlines Logo
10:50 - 16:25
GRZ
-
LHR
6h 35m
1 stop
£217Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Lufthansa Logo
07:25 - 16:10
LHR
-
GRZ
7h 45m
1 stop
Lufthansa Logo
16:50 - 22:40
GRZ
-
LHR
6h 50m
1 stop
£219Lufthansa
Thu, 11 Jun - Thu, 18 Jun
Austrian Airlines Logo
06:00 - 15:35
LHR
-
GRZ
8h 35m
1 stop
Austrian Airlines Logo
16:15 - 21:40
GRZ
-
LHR
6h 25m
1 stop
£221Austrian Airlines
Fri, 12 Jun - Fri, 19 Jun
Multiple Airlines Logo
07:25 - 16:10
LHR
-
GRZ
7h 45m
1 stop
Multiple Airlines Logo
15:00 - 21:40
GRZ
-
LHR
7h 40m
1 stop
£222Multiple Airlines
Mon, 1 Jun - Sat, 13 Jun
Multiple Airlines Logo
07:25 - 16:10
LHR
-
GRZ
7h 45m
1 stop
Multiple Airlines Logo
15:00 - 18:40
GRZ
-
LHR
4h 40m
1 stop
£222Multiple Airlines
Mon, 1 Jun - Sat, 13 Jun
SWISS Logo
20:05 - 19:05
LHR
-
GRZ
22h 00m
1 stop
SWISS Logo
19:55 - 07:55
GRZ
-
LHR
13h 00m
1 stop
£223SWISS
Thu, 11 Jun - Fri, 19 Jun
Austrian Airlines Logo
09:05 - 13:45
LHR
-
GRZ
3h 40m
1 stop
Austrian Airlines Logo
16:15 - 21:40
GRZ
-
LHR
6h 25m
1 stop
£224Austrian Airlines
Sat, 13 Jun - Fri, 19 Jun
Lufthansa Logo
07:25 - 16:10
LHR
-
GRZ
7h 45m
1 stop
Lufthansa Logo
16:50 - 20:45
GRZ
-
LHR
4h 55m
1 stop
£224Lufthansa
Thu, 4 Jun - Mon, 8 Jun

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Lufthansa flights from London Heathrow Airport to Graz

Our best Lufthansa deals on London Heathrow Airport to Graz flight tickets
Lufthansa
11 Jun
LHR07:25London Heathrow
7h 45m
1 stop
GRZ16:10Graz Thalerhof
18 Jun
GRZ16:50Graz Thalerhof
6h 50m
1 stop
LHR22:40London Heathrow
£219
Lufthansa
4 Jun
LHR07:25London Heathrow
7h 45m
1 stop
GRZ16:10Graz Thalerhof
8 Jun
GRZ16:50Graz Thalerhof
4h 55m
1 stop
LHR20:45London Heathrow
£224
Lufthansa
27 May
LHR07:25London Heathrow
4h 10m
1 stop
GRZ12:35Graz Thalerhof
3 Jun
GRZ16:50Graz Thalerhof
4h 55m
1 stop
LHR20:45London Heathrow
£244

Austrian Airlines flights from London Heathrow Airport to Graz

Our best Austrian Airlines deals on London Heathrow Airport to Graz flight tickets
Austrian Airlines
12 Jun
LHR06:00London Heathrow
8h 35m
1 stop
GRZ15:35Graz Thalerhof
19 Jun
GRZ16:15Graz Thalerhof
6h 25m
1 stop
LHR21:40London Heathrow
£221
Austrian Airlines
13 Jun
LHR09:05London Heathrow
3h 40m
1 stop
GRZ13:45Graz Thalerhof
19 Jun
GRZ16:15Graz Thalerhof
6h 25m
1 stop
LHR21:40London Heathrow
£224
Austrian Airlines
13 Jun
LHR06:00London Heathrow
6h 45m
1 stop
GRZ13:45Graz Thalerhof
18 Jun
GRZ16:15Graz Thalerhof
6h 25m
1 stop
LHR21:40London Heathrow
£241

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Graz 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, momondo users made 279,928 searches. Data last updated 28 April 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Graz that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Wed 10/6

12:10-20:05

1 stop6h 55m

Graz Thalerhof

Mon 15/6

08:30-14:05

1 stop6h 35m

£200

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Tue 9/6

06:55-16:10

1 stop8h 15m

Graz Thalerhof

Tue 16/6

10:10-16:25

1 stop7h 15m

£216

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Mon 8/6

06:00-15:35

1 stop8h 35m

Graz Thalerhof

Mon 15/6

10:50-16:25

1 stop6h 35m

£217

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Thu 11/6

07:25-16:10

1 stop7h 45m

Graz Thalerhof

Thu 18/6

16:50-22:40

1 stop6h 50m

£219

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Fri 12/6

06:00-15:35

1 stop8h 35m

Graz Thalerhof

Fri 19/6

16:15-21:40

1 stop6h 25m

£221

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Mon 1/6

07:25-16:10

1 stop7h 45m

Graz Thalerhof

Sat 13/6

15:00-21:40

1 stop7h 40m

£222

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Mon 1/6

07:25-16:10

1 stop7h 45m

Graz Thalerhof

Sat 13/6

15:00-18:40

1 stop4h 40m

£222

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Thu 11/6

20:05-19:05

1 stop22h 00m

Graz Thalerhof

Fri 19/6

19:55-07:55

1 stop13h 00m

£223
Fastest return journey

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Sat 13/6

09:05-13:45

1 stop3h 40m

Graz Thalerhof

Fri 19/6

16:15-21:40

1 stop6h 25m

£224

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Thu 4/6

07:25-16:10

1 stop7h 45m

Graz Thalerhof

Mon 8/6

16:50-20:45

1 stop4h 55m

£224

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Graz from

How to get the cheapest flight ticket from London Heathrow Airport to Graz

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London Heathrow Airport and Graz?

What is the cheapest month to fly to Graz?

If you don’t want to visit Graz in April, then you should wait until January to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £0.

What is the cheapest day to depart on your flight to Graz?

The cheapest day to depart from London Heathrow Airport to Graz is on a Wednesday. Travellers who choose to depart for Graz on a Wednesday will often find tickets for as low as £56. Flights from London Heathrow Airport to Graz on a Monday will generally be more expensive and average around £189. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Graz?

Our most recent data shows that the best time of day to fly to Graz is in the morning. Flights from London Heathrow Airport to Graz during this time can be as low as £147. Flights to Graz are more costly in the afternoon, with an average ticket price of £167. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from London Heathrow Airport to Graz

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Graz according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Graz (LHR to GRZ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Graz

Fastest flight time

4h 20m

Direct flights

None
The fastest flight from London Heathrow Airport to Graz takes 4h 20m
There are no direct flights from London Heathrow Airport to Graz. There are no popular flight routes from London Heathrow Airport to Graz.
Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Graz

  • How far is London Heathrow to Graz Thalerhof by plane?

    Graz Thalerhof is 776.4 mi away from London Heathrow. A reasonable flight in good conditions will take 4h 20m.

  • When did momondo last update prices for flights from London Heathrow Airport to Graz Thalerhof Airport?

    Prices for flights from London Heathrow Airport to Graz Thalerhof Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from London Heathrow Airport to Graz Thalerhof Airport?

  • How old do you have to be to fly from London Heathrow Airport to Graz Thalerhof Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Graz Thalerhof Airport.

  • What documentation or ID do you need to fly to Graz Thalerhof Airport?

    The required travel and health documents for your Graz Thalerhof Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Graz Thalerhof Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from London Heathrow Airport to Graz?

Best airlines flying from London Heathrow Airport to Graz

Compare and see reviews for airlines that fly from London Heathrow Airport to Graz with momondo
Airline
Rating
Free Cancellation
Price
Austrian AirlinesPriceFrom £150Free CancellationRating
7.6
911 reviews
Search Austrian Airlines flights
LufthansaPriceFrom £178Free CancellationRating
6.8
7,956 reviews
Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Graz?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Graz . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Graz with flexible booking policies on momondo?

Yes. All flights to Graz from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to Graz?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Graz from London.

I’m not ready to book a flight from London to Graz right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to Graz now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Graz and let you know when they change.

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