Cheap flights from London to Grenoble from £33

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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — GNB
21 Apr — 28 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Grenoble are usually found in January or March, booked 16 days in advance, depart on a Friday or Tuesday and return on a Monday

Cheap flight deals from London to Grenoble

Enter your travel dates to find the best prices.

Cheapest flights from London to Grenoble
Explore the most affordable flight options available from London to Grenoble. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 March 2026.

Sat 21/315:50
STN
-
GNB
Nonstop1h 50m
Ryanair
Sun 22/315:50
GNB
-
STN
Nonstop1h 50m
Ryanair
Deal found 20/3£37
Sun 22/312:20
STN
-
GNB
Nonstop1h 50m
Ryanair
Thu 26/315:00
GNB
-
STN
Nonstop1h 50m
Ryanair
Deal found 20/3£38
Sat 21/315:50
STN
-
GNB
Nonstop1h 50m
Ryanair
Thu 26/315:00
GNB
-
STN
Nonstop1h 50m
Ryanair
Deal found 17/3£42
Sun 22/312:20
STN
-
GNB
Nonstop1h 50m
Ryanair
Sat 28/312:30
GNB
-
STN
Nonstop1h 50m
Ryanair
Deal found 20/3£47
Thu 19/311:15
STN
-
GNB
Nonstop1h 50m
Ryanair
Sun 22/315:50
GNB
-
STN
Nonstop1h 50m
Ryanair
Deal found 18/3£49
Thu 19/311:15
STN
-
GNB
Nonstop1h 50m
Ryanair
Thu 26/315:00
GNB
-
STN
Nonstop1h 50m
Ryanair
Deal found 18/3£51
Sat 21/315:50
STN
-
GNB
Nonstop1h 50m
Ryanair
Sat 28/312:30
GNB
-
STN
Nonstop1h 50m
Ryanair
Deal found 20/3£57
Thu 26/311:15
STN
-
GNB
Nonstop1h 50m
Ryanair
Sat 28/319:25
GNB
-
STN
Nonstop1h 50m
Ryanair
Deal found 19/3£59

Find flight deals from London to Grenoble

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Grenoble (GNB). 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 22 March 2026.

Round-trip from

£139

One-way from

£33

Popular in

October

Cheapest in

January

Average price

£93
11/4-18/4
  • 11/4-18/4
  • 2 total stops
  • 9h 35m total
  • London to Grenoble
Jet2
  • Jet2
  • 11/4
  • Nonstop
  • 1h 50m total
  • London to Grenoble
Highest demand for flights based on searches. 42% potential increase in price (£124 potential increase over avg. return price).
Cheapest flight prices on average. 30% potential price decrease (£40 potential savings vs. average return price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Grenoble 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 22 March 2026.
Use the filters below to find and compare flights from London to Grenoble that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonGrenoble

STN - GNB

STNGNB

London Stansted

Sat 11/4

09:05-11:55

Nonstop1h 50m

Grenoble

Sat 18/4

12:35-19:20

2 stops7h 45m

£139

LondonGrenoble

STN - GNB

STNGNB

London Stansted

Sat 4/4

22:00-13:10

2 stops14h 10m

Grenoble

Sat 11/4

13:20-23:20

2 stops11h 00m

£332
Cheapest one-way
Fastest single journey

LondonGrenoble

STN - GNB

STNGNB

London Stansted

Sat 11/4

09:05-11:55

Nonstop1h 50m

£33

LondonGrenoble

STN - GNB

STNGNB

London Stansted

Sat 28/3

15:50-18:40

Nonstop1h 50m

£47

LondonGrenoble

STN - GNB

STNGNB

London Stansted

Fri 17/4

18:55-11:40

2 stops15h 45m

£85

LondonGrenoble

STN - GNB

STNGNB

London Stansted

Fri 10/4

18:00-09:55

2 stops14h 55m

£115

LondonGrenoble

STN - GNB

STNGNB

London Stansted

Sat 28/3

06:50-09:40

Nonstop1h 50m

£122

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Sorted by cheapest first

Best time to book a flight from London to Grenoble

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

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

Use this chart to determine the optimal time to book a return flight from London to Grenoble. Price data was last updated on 13 March 2026.

Booking 16 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Grenoble. 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 London to Grenoble?

Currently, October is the cheapest month in which you can book a flight from London to Grenoble (average of £22). Flying from London to Grenoble in July is currently the most expensive (average of £88). 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 LON to GNB?

Find hourly flight availability from London to Grenoble. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 March 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to Grenoble as you normally would.

How much does it cost for a return flight from London to Grenoble?

How often are flights from London to Grenoble delayed?

About 16% of weekly flights between London and Grenoble have experienced delays in the past year, with the average delay time being 93 minutes.

What is the most punctual flight time for London to Grenoble flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Grenoble flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 12% of flights being delayed.

Reviews of airlines servicing Grenoble

Get insights into the airlines that provide service to Grenoble. 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 Grenoble. Reviews last updated 22 March 2026.
Check out reviews from past customers who have flown with Jet2,Ryanair, andeasyJet from London to Grenoble to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Food

7.2

Overall

8.2

Crew

8.8

Comfort

7.7

Entertainment

6.2

Reviews

1 / 18
10.0
Excellent

Irene,Feb 2026

ALC - EMA

I always fly with Jet 2...I have never had a bad flight with them. From arriving at the airport, to the checking in has been trouble free. My last flight I booked my seat, I dont normally if im travelling on my own, the plane was full so im pleased I did. The flight was smooth on take off and landing.
8.2
Very Good

Boarding

8.1

Food

7.2

Overall

8.2

Crew

8.8

Comfort

7.7

Entertainment

6.2

Reviews

1 / 18
10.0
Excellent

Irene,Feb 2026

ALC - EMA

I always fly with Jet 2...I have never had a bad flight with them. From arriving at the airport, to the checking in has been trouble free. My last flight I booked my seat, I dont normally if im travelling on my own, the plane was full so im pleased I did. The flight was smooth on take off and landing.

Boarding

8.1

Food

7.2

Overall

8.2

Crew

8.8

Comfort

7.7

Entertainment

6.2

Reviews

1 / 18
10.0
Excellent

Irene,Feb 2026

ALC - EMA

I always fly with Jet 2...I have never had a bad flight with them. From arriving at the airport, to the checking in has been trouble free. My last flight I booked my seat, I dont normally if im travelling on my own, the plane was full so im pleased I did. The flight was smooth on take off and landing.

Boarding

8.1

Food

7.2

Overall

8.2

Crew

8.8

Comfort

7.7

Entertainment

6.2

Reviews

1 / 18
10.0
Excellent

Irene,Feb 2026

ALC - EMA

I always fly with Jet 2...I have never had a bad flight with them. From arriving at the airport, to the checking in has been trouble free. My last flight I booked my seat, I dont normally if im travelling on my own, the plane was full so im pleased I did. The flight was smooth on take off and landing.

Boarding

8.1

Food

7.2

Overall

8.2

Crew

8.8

Comfort

7.7

Entertainment

6.2

Reviews

1 / 18
10.0
Excellent

Irene,Feb 2026

ALC - EMA

I always fly with Jet 2...I have never had a bad flight with them. From arriving at the airport, to the checking in has been trouble free. My last flight I booked my seat, I dont normally if im travelling on my own, the plane was full so im pleased I did. The flight was smooth on take off and landing.

Boarding

8.1

Food

7.2

Overall

8.2

Crew

8.8

Comfort

7.7

Entertainment

6.2

Reviews

1 / 18
10.0
Excellent

Irene,Feb 2026

ALC - EMA

I always fly with Jet 2...I have never had a bad flight with them. From arriving at the airport, to the checking in has been trouble free. My last flight I booked my seat, I dont normally if im travelling on my own, the plane was full so im pleased I did. The flight was smooth on take off and landing.

Related info for your journey

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

    Grenoble (GNB) is the airport you will fly into if you book a flight from London to Grenoble. You should not have trouble finding flights to Grenoble from London; the airport handles an average of 2 inbound flights from London per day. You should also have plenty of airline options to choose from since 4 airlines have flights to the Grenoble airport from London. It is only a 22.6 mi journey from Grenoble (GNB) to Grenoble’s city center.

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

    Currently priced at £29, Wizz Air will fly you from London to Grenoble and back. In addition to Wizz Air, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Ryanair and easyJet - these airlines can fly you to your destination from £35 and £42, respectively. Wizz Air is priced at 86% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from London to Grenoble (average of £22). Flying from London to Grenoble in July is currently the most expensive (average of £88). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from London to Grenoble

Discover the top 4 airlines that operate flights from London to Grenoble. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 22 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£29Average£81FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
RyanairCheapest£35Average£79FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£42Average£204FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£91Average£182FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Grenoble?

When you search for this flight from London to Grenoble, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from London to Grenoble?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Grenoble from London.

Can Cheapflights find flights from London to Grenoble with no change fees?

Yes! Cheapflights helps users easily find flights from London to Grenoble with no change fees.

Can Cheapflights notify me if prices for flights from London to Grenoble become cheaper?

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

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.