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Cheap flights from Graz to London Heathrow Airport from £121

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/6. Fares are subject to change and may not be available on all flights or dates of travel.
GRZ — LHR
30 Mar — 6 Apr1
1 adult

Cheap flight deals from Graz to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Graz (GRZ) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 25 March 2025.

Round-trip from

£179

One-way from

£121

Popular in

July

Cheapest in

February

Average price

£189
SWISS
  • SWISS
  • 9/5-14/5
  • 2 total stops
  • 15h 00m total
  • Graz to London
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Eurowings
  • Eurowings
  • 22/6
  • 1 total stop
  • 23h 15m total
  • Graz to London
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
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Find flight deals from Graz to Heathrow

Cheapest flights from Graz to Heathrow
Explore the most affordable flight options available from Graz to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.

Fri 9/516:55GRZ - LHR
1 stop6h 45mMultiple Airlines
Wed 14/508:40LHR - GRZ
1 stop8h 15mMultiple Airlines
Deal found 24/3£179
Fri 9/519:20GRZ - LHR
1 stop22h 05mSWISS
Wed 14/508:40LHR - GRZ
1 stop8h 15mSWISS
Deal found 24/3£179
Wed 7/511:25GRZ - LHR
1 stop11h 15mAustrian Airlines
Sun 11/506:00LHR - GRZ
1 stop3h 50mAustrian Airlines
Deal found 25/3£183
Wed 2/716:55GRZ - LHR
1 stop6h 45mLufthansa
Thu 3/706:55LHR - GRZ
1 stop4h 40mLufthansa
Deal found 24/3£188
Fri 18/411:15GRZ - LHR
1 stop8h 30mEurowings
Sun 20/419:25LHR - GRZ
1 stop14h 10mEurowings
Deal found 25/3£325

Cheapflights Fare Finder

Customise your flight search to find flights from Graz to Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 25 March 2025.
Use the filters below to find and compare flights from Graz to London Heathrow Airport that are best for you.

Fly from

Graz

Fly to

Heathrow

Route

Depart

Return

Price

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Fri 9/5

16:55-22:40

1 stop6h 45m

London Heathrow

Wed 14/5

08:40-17:55

1 stop8h 15m

£179

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Fri 9/5

19:20-16:25

1 stop22h 05m

London Heathrow

Wed 14/5

08:40-17:55

1 stop8h 15m

£179

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Wed 7/5

11:25-21:40

1 stop11h 15m

London Heathrow

Sun 11/5

06:00-10:50

1 stop3h 50m

£183

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Wed 2/7

16:55-22:40

1 stop6h 45m

London Heathrow

Thu 3/7

06:55-12:35

1 stop4h 40m

£188

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Fri 18/4

11:15-18:45

1 stop8h 30m

London Heathrow

Sun 20/4

19:25-10:35

1 stop14h 10m

£325

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Sun 22/6

20:30-18:45

1 stop23h 15m

£121

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Fri 30/5

16:55-22:40

1 stop6h 45m

£137

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Wed 23/4

07:25-12:00

1 stop5h 35m

£147

GrazLondon

GRZ - LHR

GRZLHR

Graz Thalerhof

Tue 17/6

16:35-21:40

1 stop6h 05m

£175

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Best time to book a flight from Graz to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Graz with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Graz to London Heathrow Airport

How far ahead should I book a flight from Graz to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Graz to Heathrow. Price data was last updated on 21 March 2025.

The best time to book flights from Graz to London Heathrow Airport is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Graz to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Graz to London Heathrow Airport (average of £112). Flying from Graz to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 25 March 2025.
Peruse reviews from past customers who have flown with Austrian Airlines, SWISS and Lufthansa from Graz to London to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.5
Good
769 reviews
Check prices

Crew

8.1

Entertainment

6.7

Overall

7.5

Boarding

7.6

Comfort

7.3

Food

6.8

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Austrian Airlines
7.5
Good
769 reviews
Austrian Airlines
7.5
Good
769 reviews
Check prices

Crew

8.1

Entertainment

6.7

Overall

7.5

Boarding

7.6

Comfort

7.3

Food

6.8

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
SWISS
7.5
Good
1,569 reviews
Austrian Airlines
7.5
Good
769 reviews
Check prices

Crew

8.1

Entertainment

6.7

Overall

7.5

Boarding

7.6

Comfort

7.3

Food

6.8

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Lufthansa
6.7
Okay
6,949 reviews
Austrian Airlines
7.5
Good
769 reviews
Check prices

Crew

8.1

Entertainment

6.7

Overall

7.5

Boarding

7.6

Comfort

7.3

Food

6.8

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Eurowings
6.6
Okay
274 reviews
Austrian Airlines
7.5
Good
769 reviews
Check prices

Crew

8.1

Entertainment

6.7

Overall

7.5

Boarding

7.6

Comfort

7.3

Food

6.8

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

Related info for your journey

Find useful and relevant information for your journey from Graz to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Graz to London Heathrow?

    Graz Thalerhof (GRZ) is the airport you will fly out of if you book a flight from Graz to London Heathrow. You should not have trouble finding flights to London Heathrow from Thalerhof; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Graz airport to London Heathrow. It is only a 5.2 mi journey to Thalerhof (GRZ) from Graz’s city center.

  • What are the cheapest airlines flying from Graz to London Heathrow Airport round-trip?

    According to our current data, SWISS (£179), Austrian Airlines (£183), and Lufthansa (£188) offers the cheapest pricing from Graz to London Heathrow Airport. SWISS is 23% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Graz to London Heathrow Airport one-way?

    One-way options have recently been found by users for as low as £121 on Eurowings. Other airlines that offer cheap prices include Austrian Airlines from £179 and Lufthansa from £196 one-way.

  • Can I find deals for flights from Graz to Heathrow that include hotel bookings?

    Yes. In addition to deals on Graz to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Graz to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Graz to Heathrow.

  • Can I find deals for business class flights from Graz to Heathrow?

    Yes. Cheapflights offers flight deals from Graz to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Graz to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Graz to London Heathrow Airport (average of £112). Flying from Graz to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Graz?

Book flights to Graz if you plan to visit one of these locations
Hounslow
Deal
Milton Keynes
Gatwick
Croydon
Luton
Slough
Eastbourne
Wembley
Northampton
Swindon
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Ilford
Crawley
Southend-on-Sea
Winchester
Maidstone
Ipswich
Watford
Southall

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Fly with Cheapflights

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Cheapflights makes it easy to find Graz to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Graz to Heathrow?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Graz to Heathrow.

Can Cheapflights find flights from Graz to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from Graz? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Graz to Heathrow become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Graz today and book when prices fit your budget.

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