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Cheap flights from London Heathrow Airport to Vienna 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 Vienna departing on 25/2. 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.
Austrian Airlines Logo
09:05 - 13:40
LHR
-
GRZ
3h 35m
1 stop
Austrian Airlines Logo
15:45 - 18:40
GRZ
-
LHR
3h 55m
1 stop
£178Austrian Airlines
Wed, 18 Mar - Mon, 23 Mar
Multiple Airlines Logo
09:00 - 18:05
LHR
-
GRZ
8h 05m
1 stop
Multiple Airlines Logo
18:40 - 21:40
GRZ
-
LHR
4h 00m
1 stop
£179Multiple Airlines
Thu, 12 Mar - Thu, 19 Mar
Multiple Airlines Logo
06:00 - 13:40
LHR
-
GRZ
6h 40m
1 stop
Multiple Airlines Logo
18:55 - 21:40
GRZ
-
LHR
3h 45m
1 stop
£180Multiple Airlines
Thu, 19 Mar - Wed, 25 Mar
Multiple Airlines Logo
06:00 - 13:55
LHR
-
GRZ
6h 55m
1 stop
Multiple Airlines Logo
16:50 - 22:40
GRZ
-
LHR
6h 50m
1 stop
£183Multiple Airlines
Wed, 15 Apr - Mon, 20 Apr
SWISS Logo
12:05 - 18:05
LHR
-
GRZ
5h 00m
1 stop
SWISS Logo
18:55 - 21:40
GRZ
-
LHR
3h 45m
1 stop
£184SWISS
Wed, 11 Mar - Wed, 18 Mar
Multiple Airlines Logo
06:00 - 13:55
LHR
-
GRZ
6h 55m
1 stop
Multiple Airlines Logo
16:50 - 20:45
GRZ
-
LHR
4h 55m
1 stop
£189Multiple Airlines
Fri, 24 Apr - Mon, 27 Apr
Lufthansa Logo
06:55 - 12:35
LHR
-
GRZ
4h 40m
1 stop
Lufthansa Logo
13:15 - 18:25
GRZ
-
LHR
6h 10m
1 stop
£191Lufthansa
Sat, 2 May - Tue, 5 May
Multiple Airlines Logo
14:50 - 23:20
LHR
-
GRZ
7h 30m
1 stop
Multiple Airlines Logo
18:55 - 21:40
GRZ
-
LHR
3h 45m
1 stop
£192Multiple Airlines
Wed, 4 Mar - Wed, 11 Mar
Eurowings Logo
15:50 - 21:55
LHR
-
GRZ
5h 05m
1 stop
Eurowings Logo
07:00 - 11:35
GRZ
-
LHR
5h 35m
1 stop
£197Eurowings
Fri, 6 Feb - Mon, 9 Feb
Lufthansa Logo
06:55 - 12:35
LHR
-
GRZ
4h 40m
1 stop
Lufthansa Logo
16:50 - 20:45
GRZ
-
LHR
4h 55m
1 stop
£198Lufthansa
Fri, 12 Jun - Mon, 15 Jun

Austrian Airlines flights from London Heathrow Airport to Graz

Our best Austrian Airlines deals on London Heathrow Airport to Graz flight tickets
Austrian Airlines
18 Mar
LHR09:05London Heathrow
3h 35m
1 stop
GRZ13:40Graz Thalerhof
23 Mar
GRZ15:45Graz Thalerhof
3h 55m
1 stop
LHR18:40London Heathrow
£178
Austrian Airlines
30 Apr
LHR06:00London Heathrow
3h 45m
1 stop
GRZ10:45Graz Thalerhof
5 May
GRZ15:40Graz Thalerhof
7h 00m
1 stop
LHR21:40London Heathrow
£201
Austrian Airlines
9 May
LHR06:00London Heathrow
3h 45m
1 stop
GRZ10:45Graz Thalerhof
10 May
GRZ11:25Graz Thalerhof
21h 55m
1 stop
LHR08:20London Heathrow
£281

SWISS flights from London Heathrow Airport to Graz

Our best SWISS deals on London Heathrow Airport to Graz flight tickets
SWISS
11 Mar
LHR12:05London Heathrow
5h 00m
1 stop
GRZ18:05Graz Thalerhof
18 Mar
GRZ18:55Graz Thalerhof
3h 45m
1 stop
LHR21:40London Heathrow
£184
SWISS
1 May
LHR06:00London Heathrow
12h 05m
1 stop
GRZ19:05Graz Thalerhof
5 May
GRZ10:15Graz Thalerhof
7h 10m
1 stop
LHR16:25London Heathrow
£244
SWISS
4 Apr
LHR20:05London Heathrow
40h 50m
2 stops
GRZ13:55Graz Thalerhof
14 Apr
GRZ10:15Graz Thalerhof
10h 05m
1 stop
LHR19:20London Heathrow
£269

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 27 January 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

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Wed 18/3

09:05-13:40

1 stop3h 35m

Graz Thalerhof

Mon 23/3

15:45-18:40

1 stop3h 55m

£178

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Thu 12/3

09:00-18:05

1 stop8h 05m

Graz Thalerhof

Thu 19/3

18:40-21:40

1 stop4h 00m

£179

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Thu 19/3

06:00-13:40

1 stop6h 40m

Graz Thalerhof

Wed 25/3

18:55-21:40

1 stop3h 45m

£180

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Wed 15/4

06:00-13:55

1 stop6h 55m

Graz Thalerhof

Mon 20/4

16:50-22:40

1 stop6h 50m

£183

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Wed 11/3

12:05-18:05

1 stop5h 00m

Graz Thalerhof

Wed 18/3

18:55-21:40

1 stop3h 45m

£184

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Fri 24/4

06:00-13:55

1 stop6h 55m

Graz Thalerhof

Mon 27/4

16:50-20:45

1 stop4h 55m

£189

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Sat 2/5

06:55-12:35

1 stop4h 40m

Graz Thalerhof

Tue 5/5

13:15-18:25

1 stop6h 10m

£191

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Wed 4/3

14:50-23:20

1 stop7h 30m

Graz Thalerhof

Wed 11/3

18:55-21:40

1 stop3h 45m

£192

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Fri 6/2

15:50-21:55

1 stop5h 05m

Graz Thalerhof

Mon 9/2

07:00-11:35

1 stop5h 35m

£197

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Fri 12/6

06:55-12:35

1 stop4h 40m

Graz Thalerhof

Mon 15/6

16:50-20:45

1 stop4h 55m

£198

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 September, then you should wait until August to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £182.

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 £188. 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

3h 35m

Direct flights

None
The fastest flight from London Heathrow Airport to Graz takes 3h 35m
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 35m.

  • 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 £149Free CancellationRating
7.5
895 reviews
Search Austrian Airlines flights
LufthansaPriceFrom £174Free CancellationRating
6.8
7,749 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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