Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London Heathrow Airport to Vienna from £99

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 24/10. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from London Heathrow Airport to Vienna

Cheap return flights

Austrian Airlines Logo
06:00 - 13:40LHR-GRZ
6h 40m1 stop
Austrian Airlines Logo
15:05 - 18:40GRZ-LHR
4h 35m1 stop
£181Austrian Airlines
Find Deal
Wed, 5 Nov - Sat, 8 Nov
Austrian Airlines Logo
06:00 - 10:50LHR-GRZ
3h 50m1 stop
Austrian Airlines Logo
11:25 - 14:20GRZ-LHR
3h 55m1 stop
£182Austrian Airlines
Find Deal
Mon, 13 Oct - Mon, 20 Oct
Logo
07:40 - 12:55LHR-GRZ
4h 15m1 stop
Logo
15:05 - 21:40GRZ-LHR
7h 35m1 stop
£184
Find Deal
Fri, 21 Nov - Sat, 22 Nov
Austrian Airlines Logo
10:25 - 15:55LHR-GRZ
4h 30m1 stop
Austrian Airlines Logo
11:25 - 14:20GRZ-LHR
3h 55m1 stop
£188Austrian Airlines
Find Deal
Wed, 15 Oct - Wed, 22 Oct
Logo
06:00 - 15:55LHR-GRZ
8h 55m1 stop
Logo
10:40 - 17:50GRZ-LHR
8h 10m1 stop
£189
Find Deal
Tue, 14 Oct - Tue, 21 Oct
Lufthansa Logo
06:35 - 12:55LHR-GRZ
5h 20m1 stop
Lufthansa Logo
16:20 - 19:35GRZ-LHR
4h 15m1 stop
£190Lufthansa
Find Deal
Fri, 26 Dec - Mon, 29 Dec
Lufthansa Logo
20:25 - 09:20LHR-GRZ
11h 55m1 stop
Lufthansa Logo
09:50 - 18:35GRZ-LHR
9h 45m1 stop
£198Lufthansa
Find Deal
Fri, 24 Oct - Thu, 30 Oct
SWISS Logo
20:05 - 13:45LHR-GRZ
16h 40m2 stops
SWISS Logo
15:45 - 16:20GRZ-LHR
25h 35m1 stop
£217SWISS
Find Deal
Fri, 12 Dec - Sun, 14 Dec
SWISS Logo
20:05 - 13:45LHR-GRZ
16h 40m2 stops
SWISS Logo
10:45 - 21:40GRZ-LHR
11h 55m1 stop
£224SWISS
Find Deal
Fri, 12 Dec - Mon, 15 Dec
Eurowings Logo
08:45 - 19:35LHR-GRZ
9h 50m2 stops
Eurowings Logo
06:10 - 14:10GRZ-LHR
9h 00m1 stop
£287Eurowings
Find Deal
Fri, 26 Sep - Mon, 29 Sep

Austrian Airlines flights from London Heathrow Airport to Graz

Our best Austrian Airlines deals on London Heathrow Airport to Graz flight tickets
Austrian Airlines
5 Nov
LHR06:00London Heathrow
6h 40m
1 stop
GRZ13:40Graz Thalerhof
8 Nov
GRZ15:05Graz Thalerhof
4h 35m
1 stop
LHR18:40London Heathrow
£181
Find similar
Austrian Airlines
13 Oct
LHR06:00London Heathrow
3h 50m
1 stop
GRZ10:50Graz Thalerhof
20 Oct
GRZ11:25Graz Thalerhof
3h 55m
1 stop
LHR14:20London Heathrow
£182
Find similar
Austrian Airlines
15 Oct
LHR10:25London Heathrow
4h 30m
1 stop
GRZ15:55Graz Thalerhof
22 Oct
GRZ11:25Graz Thalerhof
3h 55m
1 stop
LHR14:20London Heathrow
£188
Find similar

Lufthansa flights from London Heathrow Airport to Graz

Our best Lufthansa deals on London Heathrow Airport to Graz flight tickets
Lufthansa
26 Dec
LHR06:35London Heathrow
5h 20m
1 stop
GRZ12:55Graz Thalerhof
29 Dec
GRZ16:20Graz Thalerhof
4h 15m
1 stop
LHR19:35London Heathrow
£190
Find similar
Lufthansa
24 Oct
LHR20:25London Heathrow
11h 55m
1 stop
GRZ09:20Graz Thalerhof
30 Oct
GRZ09:50Graz Thalerhof
9h 45m
1 stop
LHR18:35London Heathrow
£198
Find similar
Lufthansa
9 Oct
LHR06:55London Heathrow
8h 20m
1 stop
GRZ16:15Graz Thalerhof
12 Oct
GRZ10:35Graz Thalerhof
11h 05m
1 stop
LHR20:40London Heathrow
£209
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 1 September 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

Wed 5/11

06:00-13:40

1 stop6h 40m

Graz Thalerhof

Sat 8/11

15:05-18:40

1 stop4h 35m

£181

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Mon 13/10

06:00-10:50

1 stop3h 50m

Graz Thalerhof

Mon 20/10

11:25-14:20

1 stop3h 55m

£182

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Fri 21/11

07:40-12:55

1 stop4h 15m

Graz Thalerhof

Sat 22/11

15:05-21:40

1 stop7h 35m

£184

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Wed 15/10

10:25-15:55

1 stop4h 30m

Graz Thalerhof

Wed 22/10

11:25-14:20

1 stop3h 55m

£188

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Tue 14/10

06:00-15:55

1 stop8h 55m

Graz Thalerhof

Tue 21/10

10:40-17:50

1 stop8h 10m

£189

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Fri 26/12

06:35-12:55

1 stop5h 20m

Graz Thalerhof

Mon 29/12

16:20-19:35

1 stop4h 15m

£190

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Fri 24/10

20:25-09:20

1 stop11h 55m

Graz Thalerhof

Thu 30/10

09:50-18:35

1 stop9h 45m

£198

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Fri 12/12

20:05-13:45

2 stops16h 40m

Graz Thalerhof

Sun 14/12

15:45-16:20

1 stop25h 35m

£217

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Fri 12/12

20:05-13:45

2 stops16h 40m

Graz Thalerhof

Mon 15/12

10:45-21:40

1 stop11h 55m

£224

LondonGraz

LHR - GRZ

LHRGRZ

London Heathrow

Fri 26/9

08:45-19:35

2 stops9h 50m

Graz Thalerhof

Mon 29/9

06:10-14:10

1 stop9h 00m

£287

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 £181.

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 Saturday. Travellers who choose to depart for Graz on a Saturday will often find tickets for as low as £201. Flights from London Heathrow Airport to Graz on a Sunday will generally be more expensive and average around £305. 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 afternoon. Flights from London Heathrow Airport to Graz during this time can be as low as £219. Flights to Graz are more costly in the morning, with an average ticket price of £236. Departure times in the morning 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

Direct flights

None
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 £151Free CancellationRating
7.6
838 reviews
Search Austrian Airlines flights
LufthansaPriceFrom £170Free CancellationRating
6.8
7,379 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.

An easier way to manage your Graz trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 6/9
Sat 13/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Austria