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Cheap flights from Grenoble to London from £20

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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
GNB — LON
26 Jan — 2 Feb1
1 adult

Cheap flight deals from Grenoble to London

Discover tips and strategies to find the most affordable flight options for your journey from Grenoble (GNB) to London (LON). 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 21 January 2025.

Round-trip from

£48

One-way from

£20

Popular in

August

Cheapest in

November

Average price

£83
Ryanair
  • Ryanair
  • 1/2-6/2
  • Nonstop
  • 3h 40m total
  • Grenoble to London
Ryanair
  • Ryanair
  • 6/3
  • Nonstop
  • 1h 50m total
  • Grenoble to London
Highest demand for flights based on searches. 29% potential increase in price (£38 potential increase over avg. return price).
Cheapest flight prices on average. 9% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in January 2025

Find flight deals from Grenoble to London

Cheapest flights from Grenoble to London
Explore the most affordable flight options available from Grenoble to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2025.

Sat 1/219:25GNB - STN
Nonstop1h 50mRyanair
Thu 6/211:30STN - GNB
Nonstop1h 50mRyanair
Deal found 20/1£48
Fri 7/211:10GNB - STN
2 stops13h 25mMultiple Airlines
Sun 9/212:20STN - GNB
Nonstop1h 50mMultiple Airlines
Deal found 20/1£107
Sat 1/310:40GNB - STN
Nonstop1h 50mJet2
Sat 8/306:50STN - GNB
Nonstop1h 50mJet2
Deal found 21/1£137

Find flights from Grenoble to London within your budget

Customise your flight search to find flights from Grenoble to London 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 21 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

GrenobleLondon

GNB - STN

GNBSTN

Grenoble

Sat 1/2

19:25-20:15

Nonstop1h 50m

London Stansted

Thu 6/2

11:30-14:20

Nonstop1h 50m

£48

GrenobleLondon

GNB - STN

GNBSTN

Grenoble

Fri 7/2

11:10-23:35

2 stops13h 25m

London Stansted

Sun 9/2

12:20-15:10

Nonstop1h 50m

£107

GrenobleLondon

GNB - STN

GNBSTN

Grenoble

Sat 1/3

10:40-11:30

Nonstop1h 50m

London Stansted

Sat 8/3

06:50-09:40

Nonstop1h 50m

£137

GrenobleLondon

GNB - STN

GNBSTN

Grenoble

Thu 6/3

15:00-15:50

Nonstop1h 50m

£20

GrenobleLondon

GNB - STN

GNBSTN

Grenoble

Sat 8/2

10:40-11:30

Nonstop1h 50m

£34

GrenobleLondon

GNB - STN

GNBSTN

Grenoble

Sun 26/1

10:30-09:35

1 stop24h 05m

£59

GrenobleLondon

GNB - STN

GNBSTN

Grenoble

Thu 10/4

11:35-20:30

1 stop9h 55m

£87

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Best time to book a flight from Grenoble to London

Have a flexible travel schedule? Discover the best time to fly to London from Grenoble 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.

Travel insights for flights from Grenoble to London

Get recent, data-driven insights about flights from Grenoble to London including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Grenoble to London?

Use this chart to determine the optimal time to book a return flight from Grenoble to London. Price data was last updated on 17 January 2025.

Booking 41 days in advance of your planned departure date is, on average, the best time to get cheap flights from Grenoble to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Grenoble to London?

Currently, January is the cheapest month in which you can book a flight from Grenoble to London (average of £112). Flying from Grenoble to London in August is currently the most expensive (average of £161). 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.

What is the cheapest time of day to fly from GNB to LON?

Find hourly flight availability from Grenoble to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 January 2025.

One of the essential ways to save on airfare from Grenoble to London is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 52% on airfare.

Rainfall in London by month

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

In terms of precipitation, rainfall in London 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 when rainfall is around 40.0 mm.

Temperature in London by month

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

If weather is an important factor for your trip to London, 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 London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 21 January 2025.
8.3
Very Good
155 reviews

Comfort

7.7

Overall

8.3

Crew

8.8

Food

7.2

Entertainment

6.2

Boarding

8.2

Reviews

1 / 10

Late arrival meant 1 and1/2 hour delay made up some time on way home Baggage at Edinburgh a disgrace

8.3
Very Good
155 reviews
8.3
Very Good
155 reviews

Comfort

7.7

Overall

8.3

Crew

8.8

Food

7.2

Entertainment

6.2

Boarding

8.2

Reviews

1 / 10

Late arrival meant 1 and1/2 hour delay made up some time on way home Baggage at Edinburgh a disgrace

6.9
Okay
1,859 reviews
8.3
Very Good
155 reviews

Comfort

7.7

Overall

8.3

Crew

8.8

Food

7.2

Entertainment

6.2

Boarding

8.2

Reviews

1 / 10

Late arrival meant 1 and1/2 hour delay made up some time on way home Baggage at Edinburgh a disgrace

6.9
Okay
5,194 reviews
8.3
Very Good
155 reviews

Comfort

7.7

Overall

8.3

Crew

8.8

Food

7.2

Entertainment

6.2

Boarding

8.2

Reviews

1 / 10

Late arrival meant 1 and1/2 hour delay made up some time on way home Baggage at Edinburgh a disgrace

Related info for your journey

Find useful and relevant information for your journey from Grenoble to London. 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 Grenoble to London?

    Most people fly from Grenoble (GNB) if they book a flight from Grenoble to London. On average, Grenoble has 0 outbound flights to London per day from 0 airlines. Grenoble is conveniently located just 22.6 mi from Grenoble’s city center.

  • What are the cheapest airlines flying from Grenoble to London round-trip?

    Flying on Ryanair is currently your cheapest option to London, with prices starting at £48. Another option worth looking into is Jet2, starting at £137 return. Ryanair is 56% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Grenoble to London one-way?

    The cheapet airlines for a one-way flight from Grenoble to London are Ryanair (£20), Jet2 (£34), and easyJet (£87).

  • What are the cheapest flights from Grenoble to London?

    Looking for the cheapest flight from Grenoble to London? While on average our users pay £120, our data indicates the cheapest price to be £90. The most popular route (Grenoble - London Stansted), is priced around £28.

  • Can I find deals for flights from Grenoble to London that include hotel bookings?

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

  • How can I find direct flights from Grenoble to London?

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

  • Can I find deals for business class flights from Grenoble to London?

    Yes. Cheapflights offers flight deals from Grenoble to London 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 Grenoble to London?

    Currently, January is the cheapest month in which you can book a flight from Grenoble to London (average of £112). Flying from Grenoble to London in August is currently the most expensive (average of £161). 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 Grenoble?

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

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Certainly. Search results for flights to London from Grenoble shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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