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Cheap flights from London Heathrow Airport to Graz from £123

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 2/10. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London Heathrow Airport to Graz

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:10 - 17:50
LHR
-
GRZ
4h 40m
1 stop
Multiple Airlines Logo
13:15 - 18:25
GRZ
-
LHR
6h 10m
1 stop
£188Multiple Airlines
Wed, 2 Sep - Fri, 11 Sep
Multiple Airlines Logo
06:55 - 16:10
LHR
-
GRZ
8h 15m
1 stop
Multiple Airlines Logo
10:50 - 17:50
GRZ
-
LHR
8h 00m
1 stop
£189Multiple Airlines
Wed, 2 Sep - Wed, 16 Sep
SWISS Logo
08:40 - 17:50
LHR
-
GRZ
8h 10m
1 stop
SWISS Logo
10:50 - 17:50
GRZ
-
LHR
8h 00m
1 stop
£192SWISS
Wed, 2 Sep - Wed, 16 Sep
Multiple Airlines Logo
06:00 - 15:55
LHR
-
GRZ
8h 55m
1 stop
Multiple Airlines Logo
10:10 - 19:20
GRZ
-
LHR
10h 10m
1 stop
£193Multiple Airlines
Sat, 5 Sep - Sat, 12 Sep
Lufthansa Logo
10:50 - 16:10
LHR
-
GRZ
4h 20m
1 stop
Lufthansa Logo
13:15 - 19:40
GRZ
-
LHR
7h 25m
1 stop
£195Lufthansa
Wed, 2 Sep - Fri, 11 Sep
Lufthansa Logo
10:50 - 16:10
LHR
-
GRZ
4h 20m
1 stop
Lufthansa Logo
16:50 - 20:45
GRZ
-
LHR
4h 55m
1 stop
£197Lufthansa
Thu, 3 Sep - Thu, 10 Sep
SWISS Logo
18:40 - 09:25
LHR
-
GRZ
13h 45m
1 stop
SWISS Logo
10:50 - 16:25
GRZ
-
LHR
6h 35m
1 stop
£198SWISS
Fri, 4 Sep - Mon, 7 Sep
SWISS Logo
20:05 - 10:05
LHR
-
GRZ
13h 00m
1 stop
SWISS Logo
10:10 - 21:45
GRZ
-
LHR
12h 35m
1 stop
£200SWISS
Tue, 1 Sep - Tue, 8 Sep
SWISS Logo
20:05 - 10:05
LHR
-
GRZ
13h 00m
1 stop
SWISS Logo
10:50 - 17:50
GRZ
-
LHR
8h 00m
1 stop
£200SWISS
Tue, 1 Sep - Mon, 7 Sep
SWISS Logo
08:40 - 17:50
LHR
-
GRZ
8h 10m
1 stop
SWISS Logo
10:50 - 17:50
GRZ
-
LHR
8h 00m
1 stop
£201SWISS
Wed, 2 Sep - Wed, 16 Sep

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SWISS flights from London Heathrow Airport to Graz

Our best SWISS deals on London Heathrow Airport to Graz flight tickets
SWISS
4 Sept
LHR18:40London Heathrow
13h 45m
1 stop
GRZ09:25Graz Thalerhof
7 Sept
GRZ10:50Graz Thalerhof
6h 35m
1 stop
LHR16:25London Heathrow
£198
SWISS
1 Sept
LHR20:05London Heathrow
13h 00m
1 stop
GRZ10:05Graz Thalerhof
8 Sept
GRZ10:10Graz Thalerhof
12h 35m
1 stop
LHR21:45London Heathrow
£200
SWISS
1 Sept
LHR20:05London Heathrow
13h 00m
1 stop
GRZ10:05Graz Thalerhof
7 Sept
GRZ10:50Graz Thalerhof
8h 00m
1 stop
LHR17:50London Heathrow
£200

Lufthansa flights from London Heathrow Airport to Graz

Our best Lufthansa deals on London Heathrow Airport to Graz flight tickets
Lufthansa
2 Sept
LHR10:50London Heathrow
4h 20m
1 stop
GRZ16:10Graz Thalerhof
11 Sept
GRZ13:15Graz Thalerhof
7h 25m
1 stop
LHR19:40London Heathrow
£195
Lufthansa
3 Sept
LHR10:50London Heathrow
4h 20m
1 stop
GRZ16:10Graz Thalerhof
10 Sept
GRZ16:50Graz Thalerhof
4h 55m
1 stop
LHR20:45London Heathrow
£197
Lufthansa
2 Sept
LHR09:00London Heathrow
6h 10m
1 stop
GRZ16:10Graz Thalerhof
6 Sept
GRZ16:50Graz Thalerhof
4h 55m
1 stop
LHR20:45London Heathrow
£202

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 23 July 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 2/9

12:10-17:50

1 stop4h 40m

Graz Thalerhof

Fri 11/9

13:15-18:25

1 stop6h 10m

£188

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Wed 2/9

06:55-16:10

1 stop8h 15m

Graz Thalerhof

Wed 16/9

10:50-17:50

1 stop8h 00m

£189

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Wed 2/9

08:40-17:50

1 stop8h 10m

Graz Thalerhof

Wed 16/9

10:50-17:50

1 stop8h 00m

£192

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Sat 5/9

06:00-15:55

1 stop8h 55m

Graz Thalerhof

Sat 12/9

10:10-19:20

1 stop10h 10m

£193

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Wed 2/9

10:50-16:10

1 stop4h 20m

Graz Thalerhof

Fri 11/9

13:15-19:40

1 stop7h 25m

£195
Fastest return journey

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Thu 3/9

10:50-16:10

1 stop4h 20m

Graz Thalerhof

Thu 10/9

16:50-20:45

1 stop4h 55m

£197

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Fri 4/9

18:40-09:25

1 stop13h 45m

Graz Thalerhof

Mon 7/9

10:50-16:25

1 stop6h 35m

£198

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Tue 1/9

20:05-10:05

1 stop13h 00m

Graz Thalerhof

Tue 8/9

10:10-21:45

1 stop12h 35m

£200

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Tue 1/9

20:05-10:05

1 stop13h 00m

Graz Thalerhof

Mon 7/9

10:50-17:50

1 stop8h 00m

£200

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Wed 2/9

08:40-17:50

1 stop8h 10m

Graz Thalerhof

Wed 16/9

10:50-17:50

1 stop8h 00m

£201

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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 £144. Flights from London Heathrow Airport to Graz on a Monday will generally be more expensive and average around £178. 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 £153. Flights to Graz are more costly in the afternoon, with an average ticket price of £178. 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 10m

Direct flights

None
The fastest flight from London Heathrow Airport to Graz takes 4h 10m
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 10m.

  • 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
LufthansaPriceFrom £187Free CancellationRating
6.8
8,159 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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