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Cheap flights from London Heathrow Airport to Vienna from £97

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 9/4. 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

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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
06:00 - 13:55
LHR
-
GRZ
6h 55m
1 stop
Austrian Airlines Logo
15:40 - 21:40
GRZ
-
LHR
7h 00m
1 stop
£177Austrian Airlines
Thu, 7 May - Sat, 9 May
Austrian Airlines Logo
06:00 - 13:55
LHR
-
GRZ
6h 55m
1 stop
Austrian Airlines Logo
15:40 - 21:40
GRZ
-
LHR
7h 00m
1 stop
£182Austrian Airlines
Wed, 22 Apr - Wed, 29 Apr
Multiple Airlines Logo
06:00 - 13:55
LHR
-
GRZ
6h 55m
1 stop
Multiple Airlines Logo
13:20 - 18:25
GRZ
-
LHR
6h 05m
1 stop
£183Multiple Airlines
Wed, 3 Jun - Sat, 6 Jun
Multiple Airlines Logo
12:10 - 17:50
LHR
-
GRZ
4h 40m
1 stop
Multiple Airlines Logo
15:40 - 21:40
GRZ
-
LHR
7h 00m
1 stop
£183Multiple Airlines
Wed, 22 Apr - Wed, 29 Apr
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
£184Multiple Airlines
Sat, 11 Jul - Mon, 20 Jul
Multiple Airlines Logo
06:00 - 13:55
LHR
-
GRZ
6h 55m
1 stop
Multiple Airlines Logo
19:55 - 07:55
GRZ
-
LHR
13h 00m
1 stop
£186Multiple Airlines
Fri, 24 Apr - Fri, 1 May
Austrian Airlines Logo
06:00 - 15:35
LHR
-
GRZ
8h 35m
1 stop
Austrian Airlines Logo
15:40 - 21:40
GRZ
-
LHR
7h 00m
1 stop
£186Austrian Airlines
Sun, 26 Apr - Sun, 3 May
Multiple Airlines Logo
06:55 - 12:40
LHR
-
GRZ
4h 45m
1 stop
Multiple Airlines Logo
15:40 - 08:20
GRZ
-
LHR
17h 40m
1 stop
£189Multiple Airlines
Sat, 2 May - Mon, 4 May
Austrian Airlines Logo
06:00 - 15:35
LHR
-
GRZ
8h 35m
1 stop
Austrian Airlines Logo
11:25 - 18:40
GRZ
-
LHR
8h 15m
1 stop
£189Austrian Airlines
Sat, 25 Apr - Sat, 2 May
SWISS Logo
12:10 - 18:00
LHR
-
GRZ
4h 50m
1 stop
SWISS Logo
18:55 - 17:50
GRZ
-
LHR
23h 55m
1 stop
£190SWISS
Thu, 23 Apr - Thu, 30 Apr

SWISS flights from London Heathrow Airport to Graz

Our best SWISS deals on London Heathrow Airport to Graz flight tickets
SWISS
23 Apr
LHR12:10London Heathrow
4h 50m
1 stop
GRZ18:00Graz Thalerhof
30 Apr
GRZ18:55Graz Thalerhof
23h 55m
1 stop
LHR17:50London Heathrow
£190
SWISS
8 Apr
LHR18:40London Heathrow
22h 20m
1 stop
GRZ18:00Graz Thalerhof
17 Apr
GRZ19:55Graz Thalerhof
24h 25m
1 stop
LHR19:20London Heathrow
£215
SWISS
21 Mar
LHR19:30London Heathrow
17h 10m
2 stops
GRZ13:40Graz Thalerhof
23 Mar
GRZ10:45Graz Thalerhof
25h 30m
1 stop
LHR11:15London Heathrow
£637

Austrian Airlines flights from London Heathrow Airport to Graz

Our best Austrian Airlines deals on London Heathrow Airport to Graz flight tickets
Austrian Airlines
7 May
LHR06:00London Heathrow
6h 55m
1 stop
GRZ13:55Graz Thalerhof
9 May
GRZ15:40Graz Thalerhof
7h 00m
1 stop
LHR21:40London Heathrow
£177
Austrian Airlines
22 Apr
LHR06:00London Heathrow
6h 55m
1 stop
GRZ13:55Graz Thalerhof
29 Apr
GRZ15:40Graz Thalerhof
7h 00m
1 stop
LHR21:40London Heathrow
£182
Austrian Airlines
26 Apr
LHR06:00London Heathrow
8h 35m
1 stop
GRZ15:35Graz Thalerhof
3 May
GRZ15:40Graz Thalerhof
7h 00m
1 stop
LHR21:40London Heathrow
£186

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 12 March 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

Thu 7/5

06:00-13:55

1 stop6h 55m

Graz Thalerhof

Sat 9/5

15:40-21:40

1 stop7h 00m

£177

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Wed 22/4

06:00-13:55

1 stop6h 55m

Graz Thalerhof

Wed 29/4

15:40-21:40

1 stop7h 00m

£182

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Wed 3/6

06:00-13:55

1 stop6h 55m

Graz Thalerhof

Sat 6/6

13:20-18:25

1 stop6h 05m

£183
Fastest return journey

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Wed 22/4

12:10-17:50

1 stop4h 40m

Graz Thalerhof

Wed 29/4

15:40-21:40

1 stop7h 00m

£183

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Sat 11/7

06:00-13:55

1 stop6h 55m

Graz Thalerhof

Mon 20/7

16:50-22:40

1 stop6h 50m

£184

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Fri 24/4

06:00-13:55

1 stop6h 55m

Graz Thalerhof

Fri 1/5

19:55-07:55

1 stop13h 00m

£186

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Sun 26/4

06:00-15:35

1 stop8h 35m

Graz Thalerhof

Sun 3/5

15:40-21:40

1 stop7h 00m

£186

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Sat 2/5

06:55-12:40

1 stop4h 45m

Graz Thalerhof

Mon 4/5

15:40-08:20

1 stop17h 40m

£188

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Sat 25/4

06:00-15:35

1 stop8h 35m

Graz Thalerhof

Sat 2/5

11:25-18:40

1 stop8h 15m

£189

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Thu 23/4

12:10-18:00

1 stop4h 50m

Graz Thalerhof

Thu 30/4

18:55-17:50

1 stop23h 55m

£190

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 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 £57. Flights from London Heathrow Airport to Graz on a Monday will generally be more expensive and average around £192. 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 45m

Direct flights

None
The fastest flight from London Heathrow Airport to Graz takes 3h 45m
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 45m.

  • 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 £152Free CancellationRating
7.6
901 reviews
Search Austrian Airlines flights
LufthansaPriceFrom £179Free CancellationRating
6.8
7,844 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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