Best time to go: what is the RIGHT price for a round-trip flight to Grenoble (Isère) (from: London)

The average price to go to Grenoble (Isère) from London airport is $ 155 (round trip). However, there are variations depending on the departure month. Thus, it is possible to pay for your plane ticket on average between $ 75 (in january) and $ 348 (in april), which is a saving of $ 81 or a surplus of $ 194 (compared to the average price) depending on the period you leave.

The analysis of all the prices reveals that the most frequent price is between $54 to $107 and that it is generally more economical to leave on a sunday and return on a thursday on a direct flight.

Be careful, the cheapest months may correspond to unfavorable weather periods . Check out our page best time to go to Grenoble (Isère) before booking your flight.

If you want to know when to book your flight at the best price, go straight to the second part of this page: When to buy your London-Grenoble (Isère) plane ticket.

How are these data calculated?

We have studied a sample of 21164 airfare prices from previous years for flights to Grenoble (Isère) from London and can thus establish precise and credible price variation trends based on different parameters. Of course, prices can vary from year to year, but the seasonal aspect of this data (recurrence of school holidays, events... from year to year) makes these statistics quite reliable.

Average price depending on the departure month

Data analysis:

By leaving in january, the price of the plane ticket will statistically be the cheapest ($ 75, saving $ 81 compared to the average price over the year which is $ 155). Conversely, april will be the most expensive ($ 348).

Flight London-Grenoble (Isère): when is the best time to go for the best price?

Month Good price* Average price Our opinion
January$ 57 $ 75 very good price
February$ 78 $ 151 good price
March$ 68 $ 99 good price
April$ 246 $ 348 very high price
November$ 114 $ 118 good price
December$ 100 $ 135 good price

*great price to buy your plane ticket: if you see this price or cheaper during your flight search, go for it and buy it!

Price breakdown to travel from London to Grenoble (Isère)

Data analysis:

The prices for flights from London to Grenoble (Isère) range from $0 to $481. 20% of tickets were purchased at the minimum price (from $0 to $54), 1% at the maximum price (from $427 to $481). The majority of plane tickets were purchased in the range of $54 to $107 (41% of tickets).

Cheapest airlines for the London->Grenoble (Isère) flight

There are 6 companies that serve London from Grenoble (Isère) airport: Ryanair, EasyJet, Wizz Air Uk, British Airways, Jet2 and Wizz Air.

Data analysis:

Of the 21164 flights analyzed in previous years, Ryanair was the airline that offered the best fare most often in the flight ticket search results (41% of the time) on the London->Grenoble (Isère) route.

Direct flight or flight with layover?

Data analysis:

To get the best price for the London-Grenoble (Isère) flight, you should take a direct flight (saving an average of $ 139 compared to a flight with one or more layovers).

Which day of the week to leave?

Data analysis:

Statistically, London-Grenoble (Isère) flights departing on a sunday are cheaper than on other days of the week. By choosing a sunday as your departure date, you can save an average of $27. On the other hand, departing on a wednesday may cost you an additional $171.

Which day of the week to come back?

Data analysis:

Statistically, return flights from Grenoble (Isère) to London departing on a thursday are cheaper than on other days of the week. By choosing a thursday for your return date, you will save an average of $9. Conversely, departing from Grenoble (Isère) on a wednesday may cost you an additional $150.

Top prices London-Grenoble (Isère)

Round tripDatesPrice
London → Grenoble (Isère)04-01 to 11-01-2025$ 66 
London → Grenoble (Isère)11-01 to 19-01-2025$ 58 
London → Grenoble (Isère)12-01 to 26-01-2025$ 60 
London → Grenoble (Isère)19-01 to 26-01-2025$ 65 
London → Grenoble (Isère)21-01 to 26-01-2025$ 65 
London → Grenoble (Isère)13-02 to 25-02-2025$ 58 
London → Grenoble (Isère)08-03 to 15-03-2025$ 61 
London → Grenoble (Isère)09-03 to 22-03-2025$ 54 
London → Grenoble (Isère)13-03 to 22-03-2025$ 65 
London → Grenoble (Isère)16-03 to 22-03-2025$ 60 

When to book your flight London - Grenoble (Isère) to get the cheapest price?

Statistically, you will make the biggest savings by buying your plane ticket between 2 to 3 months in advance. However, you may end up paying a high price if you book between 11 to 12 months in advance.

Did you know: the price of plane tickets not only varies depending on how far in advance you book, but also on the day of the week you book! So, to maximize your chances of getting the best price for a London-Grenoble (Isère) flight, it is recommended to book your ticket on a monday.

How far in advance should I buy my flight?

Data analysis:

To get the cheapest flight ticket from London to Grenoble (Isère), it is recommended to buy it 2 to 3 months before departure (it is then on average 104 $, which is a saving of 51 $ compared to the overall average price). On the other hand, if you buy your ticket 11 to 12 months in advance, you will pay the full price (62 $ more than the average price).

Depending on the departure month

The best time to buy your London to Grenoble (Isère) flight ticket may vary depending on your departure month. Therefore, we offer you statistics on when to book your flight month by month.

Departure on... How far in advance should I book?

Best time: 5 to 6 months before departure (average price: 54 $)

Other interesting period(s): 2 to 3 months ($ 69), 3 to 4 months ($ 61), 4 to 5 months ($ 65), 6 to 7 months ($ 65), 7 to 8 months ($ 70)


Best time: 2 to 3 months before departure (average price: 99 $)

Other interesting period(s): 1 to 2 months ($ 132), 3 to 4 months ($ 105), 4 to 5 months ($ 140), 6 to 7 months ($ 129)


Best time: 8 to 9 months before departure (average price: 76 $)

Other interesting period(s): 2 to 3 months ($ 88), 3 to 4 months ($ 77), 4 to 5 months ($ 90), 5 to 6 months ($ 92), 6 to 7 months ($ 85), 7 to 8 months ($ 81), 9 to 10 months ($ 83), 10 to 11 months ($ 95), 11 to 12 months ($ 95)


Best time: 3 to 4 months before departure (average price: 300 $)

Other interesting period(s): 1 to 2 months ($ 343), 2 to 3 months ($ 321), 5 to 6 months ($ 307), 6 to 7 months ($ 300)


Best time: 2 to 3 months before departure (average price: 114 $)

Other interesting period(s): 1 to 2 months ($ 115), 3 to 4 months ($ 135), 4 to 5 months ($ 120), 5 to 6 months ($ 122)

What day of the week should I book my flight ticket?

Data analysis:

Statistically, monday is the day when plane tickets for London->Grenoble (Isère) are the cheapest. So, by buying your plane ticket on a monday, you will save $4. Conversely, by buying it on a sunday, you may end up paying $8 more.

London to Grenoble (Isère): flight price when booking today

Information: this data is not statistics but comes from real prices collected less than 7 days ago. Some months may not be available as we do not have enough data for them.

Month Current price
December 2024$ 154
$91 to $373
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January 2025$ 79
$55 to $136
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February 2025$ 314
$58 to $617
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March 2025$ 106
$54 to $344
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Data analysis:

Compared to the average price, no month is currently cheaper. We therefore advise you to wait for prices to drop before booking your flight to Grenoble (Isère).

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