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Cheap flights from London Heathrow Airport to Vienna from £95

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 Vienna departing on 17/12. 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 Vienna

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:05 - 13:45
LHR
-
GRZ
3h 40m1 stop
Multiple Airlines Logo
15:05 - 17:50
GRZ
-
LHR
3h 45m1 stop
£181Multiple Airlines
Fri, 23 Jan - Fri, 30 Jan
Austrian Airlines Logo
14:50 - 23:30
LHR
-
GRZ
7h 40m1 stop
Austrian Airlines Logo
13:55 - 18:40
GRZ
-
LHR
5h 45m1 stop
£182Austrian Airlines
Fri, 30 Jan - Mon, 2 Feb
SWISS Logo
06:00 - 14:20
LHR
-
GRZ
7h 20m1 stop
SWISS Logo
15:05 - 21:40
GRZ
-
LHR
7h 35m1 stop
£185SWISS
Fri, 23 Jan - Fri, 30 Jan
Multiple Airlines Logo
12:05 - 18:05
LHR
-
GRZ
5h 00m1 stop
Multiple Airlines Logo
14:55 - 21:40
GRZ
-
LHR
7h 45m1 stop
£188Multiple Airlines
Wed, 21 Jan - Sun, 25 Jan
Multiple Airlines Logo
12:05 - 18:05
LHR
-
GRZ
5h 00m1 stop
Multiple Airlines Logo
13:55 - 18:40
GRZ
-
LHR
5h 45m1 stop
£188Multiple Airlines
Wed, 4 Feb - Mon, 9 Feb
Austrian Airlines Logo
06:00 - 13:45
LHR
-
GRZ
6h 45m1 stop
Austrian Airlines Logo
06:00 - 14:05
GRZ
-
LHR
9h 05m1 stop
£189Austrian Airlines
Wed, 4 Feb - Sat, 7 Feb
Multiple Airlines Logo
06:00 - 10:50
LHR
-
GRZ
3h 50m1 stop
Multiple Airlines Logo
16:55 - 22:40
GRZ
-
LHR
6h 45m1 stop
£191Multiple Airlines
Thu, 28 May - Fri, 5 Jun
Multiple Airlines Logo
06:00 - 13:55
LHR
-
GRZ
6h 55m1 stop
Multiple Airlines Logo
16:55 - 20:45
GRZ
-
LHR
4h 50m1 stop
£197Multiple Airlines
Fri, 29 May - Thu, 4 Jun
Lufthansa Logo
07:25 - 12:35
LHR
-
GRZ
4h 10m1 stop
Lufthansa Logo
16:55 - 20:45
GRZ
-
LHR
4h 50m1 stop
£204Lufthansa
Thu, 28 May - Thu, 4 Jun
Multiple Airlines Logo
17:50 - 22:40
LHR
-
GRZ
3h 50m1 stop
Multiple Airlines Logo
18:55 - 21:40
GRZ
-
LHR
3h 45m1 stop
£207Multiple Airlines
Wed, 7 Jan - Wed, 14 Jan

SWISS flights from London Heathrow Airport to Graz

Our best SWISS deals on London Heathrow Airport to Graz flight tickets
SWISS
21 Jan
LHR06:00London Heathrow
6h 45m
2 stops
GRZ13:45Graz Thalerhof
28 Jan
GRZ18:55Graz Thalerhof
3h 45m
1 stop
LHR21:40London Heathrow
£206
Find similar
SWISS
22 Jan
LHR06:00London Heathrow
6h 20m
2 stops
GRZ13:20Graz Thalerhof
29 Jan
GRZ19:00Graz Thalerhof
3h 40m
1 stop
LHR21:40London Heathrow
£213
Find similar
SWISS
13 Mar
LHR06:00London Heathrow
6h 40m
2 stops
GRZ13:40Graz Thalerhof
16 Mar
GRZ10:45Graz Thalerhof
9h 30m
1 stop
LHR19:15London Heathrow
£226
Find similar

Austrian Airlines flights from London Heathrow Airport to Graz

Our best Austrian Airlines deals on London Heathrow Airport to Graz flight tickets
Austrian Airlines
23 Jan
LHR14:50London Heathrow
7h 40m
1 stop
GRZ23:30Graz Thalerhof
30 Jan
GRZ15:05Graz Thalerhof
7h 35m
1 stop
LHR21:40London Heathrow
£185
Find similar
Austrian Airlines
4 Feb
LHR06:00London Heathrow
6h 45m
1 stop
GRZ13:45Graz Thalerhof
8 Feb
GRZ14:55Graz Thalerhof
7h 45m
1 stop
LHR21:40London Heathrow
£189
Find similar
Austrian Airlines
15 Jan
LHR06:00London Heathrow
6h 20m
1 stop
GRZ13:20Graz Thalerhof
17 Jan
GRZ06:00Graz Thalerhof
16h 40m
1 stop
LHR21:40London Heathrow
£306
Find similar

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 10 December 2025.
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

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Fri 23/1

09:05-13:45

1 stop3h 40m

Graz Thalerhof

Fri 30/1

15:05-17:50

1 stop3h 45m

£181

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Fri 30/1

14:50-23:30

1 stop7h 40m

Graz Thalerhof

Mon 2/2

13:55-18:40

1 stop5h 45m

£182

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Fri 23/1

06:00-14:20

1 stop7h 20m

Graz Thalerhof

Fri 30/1

15:05-21:40

1 stop7h 35m

£185

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Wed 21/1

12:05-18:05

1 stop5h 00m

Graz Thalerhof

Sun 25/1

14:55-21:40

1 stop7h 45m

£188

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Wed 4/2

12:05-18:05

1 stop5h 00m

Graz Thalerhof

Mon 9/2

13:55-18:40

1 stop5h 45m

£188

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Wed 4/2

06:00-13:45

1 stop6h 45m

Graz Thalerhof

Sat 7/2

06:00-14:05

1 stop9h 05m

£189

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Thu 28/5

06:00-10:50

1 stop3h 50m

Graz Thalerhof

Fri 5/6

16:55-22:40

1 stop6h 45m

£191

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Fri 29/5

06:00-13:55

1 stop6h 55m

Graz Thalerhof

Thu 4/6

16:55-20:45

1 stop4h 50m

£197

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Thu 28/5

07:25-12:35

1 stop4h 10m

Graz Thalerhof

Thu 4/6

16:55-20:45

1 stop4h 50m

£204

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Wed 7/1

17:50-22:40

1 stop3h 50m

Graz Thalerhof

Wed 14/1

18:55-21:40

1 stop3h 45m

£207

Flights are sorted by cheapest return flights first.

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

See travel insights to Vienna 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 month to fly to Graz?

If you don’t want to visit Graz in February, then you should wait until September to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £179.

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 Friday. Travellers who choose to depart for Graz on a Friday will often find tickets for as low as £178. Flights from London Heathrow Airport to Graz on a Sunday will generally be more expensive and average around £309. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

  • 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 3h 50m.

  • 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 £153Free CancellationRating
7.6
879 reviews
Search Austrian Airlines flights
LufthansaPriceFrom £173Free CancellationRating
6.8
7,619 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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