LON - GNB

Find cheap flights from London to Grenoble - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Nonstop flights
2 days a week
You can fly direct with easyJet, Ryanair and others. Average duration is 1h 48m.
Direct flights
+1
Direct flights
+1
Top routes
STN - GNB
Cheapest • 20% average savings
LGW - GNB
Most popular
Insights
Insights
Avoid delays
British Airways
Most punctual • 97% on-time
Evening
Best time • Fewest delays
Insights
Insights
When to book
16 weeks
in advance
Our data shows that travelers who book at least 16 weeks in advance save around 43% compared to booking last minute.
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Grenoble!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from London to Grenoble (LON-GNB)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from London to Grenoble

Multiple Airlines Logo
LON  London All airports-GNB Grenoble
492 mimulti-stop
Multiple Airlines Logo
GNB  Grenoble-LON London All airports
492 mimulti-stop
Multiple Airlines
Booking Insights

Price, demand and travel trends for London to Grenoble flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from London to Grenoble with more confidence.

What is the cheapest London to Grenoble flight route?

London Stansted Airport (STN) to Grenoble (GNB) is the cheapest London to Grenoble route, averaging $135 round-trip. Other London to Grenoble routes average $181, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from London to Grenoble?

Thursday is the cheapest day of the week to fly from London to Grenoble, it is 32% cheaper than the average day. Wednesday is the most expensive day with flight prices 95% higher than average. Based on deals found by KAYAK users in the last 12 months.

When are prices from London to Grenoble the cheapest?

Flights from London to Grenoble are cheapest 16 weeks before departure. Booking in this window typically costs about 43% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals
Expert advice

Expert advice for your flight from London to Grenoble

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Duncan Madden

Duncan Madden

Expert on Ryanair and British Airways

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Read more
Blane Bachelor

Blane Bachelor

Expert on easyJet

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more

When to book flights from London to Grenoble

Are your dates flexible? Find out the best times to travel from London to Grenoble based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your London to Grenoble flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airlines offer extra legroom and free seat selection on London to Grenoble flights?

    Among airlines operating London to Grenoble flights:

    • easyJet: offers free seat selection
    • Ryanair: offers free seat selection
    • Wizz Air: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from London to Grenoble?

    4 airlines operate flights between London and Grenoble. The airlines offering nonstop flights on this route include:

    • easyJet
    • Ryanair
    • British Airways
    • Jet2

  • Which airports can I use when flying from London to Grenoble?

    Flights from London to Grenoble may depart from several airports in London area, including London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN). Flights usually arrive at Grenoble (GNB).

  • Which airlines include bags at no extra cost on London to Grenoble flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Wizz Air: a cabin bag and a checked bag in Economy Class
    • easyJet: a checked bag in Economy Class class
    • Ryanair: a checked bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What is the standard checked-bag allowance on flights from London to Grenoble?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $70–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Can I save money by using flexible dates for flights from London to Grenoble?

    Yes. Being flexible with your travel dates can save you up to 66% on the London to Grenoble route. Thursday is the cheapest departure day at $102 round-trip on average, while Wednesday is the most expensive at $292, a difference of $190. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • At what point is a flight considered delayed from London to Grenoble?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the London to Grenoble route, 11% of flights were delayed in the past 3 months, with delays averaging 1 hour 36 minutes.

  • What popular places can I visit in Grenoble?

    Some of the most popular sights in Grenoble are WTC Grenoble and Grenoble-Bastille Cable Car. These are among the most viewed places in Grenoble on KAYAK.

  • What are the earliest and latest flights from London to Grenoble?

    These are the earliest and latest flight times available from London to Grenoble:

    • Earliest: departs at 6:00 am and lands at 7:48 am
    • Latest: departs at 4:00 pm and lands at 5:48 pm.

    The flight takes about 1h 48m.

  • How expensive are last-minute London to Grenoble flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 29% above the route average of $149. Book 16 weeks before departure for the lowest fares.

  • How long is a flight from London to Grenoble?

    A nonstop flight from London to Grenoble takes 1h 48m, covering 492 miles.

  • Do I need a passport to fly from London to Grenoble?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How does British Airways’s on-time performance compare to other airlines on London to Grenoble flights?

    British Airways is slightly above the route average for timely arrivals, while Ryanair has a lower on-time arrival rate. On-time arrival rates on London to Grenoble flights are:

    • British Airways: 97% on time
    • Ryanair: 88% on time
    • easyJet: 86% on time

    Overall, flights on this route are on time 89% of the time on average.

  • How do delay rates compare for morning and evening flights from London to Grenoble?

    Evening flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • What is the time difference between London and Grenoble?

    Grenoble is 1 hour ahead of London (Central European Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

  • How much should I expect to pay for a London to Grenoble flight?

    Round-trip flights from London to Grenoble range from $84 to $318, with an average of $149 over the past 12 months. Anything below $84 counts as a good deal.

Your guide to booking London to Grenoble flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Thursday departure instead of Wednesday. On this route, Thursday flights average $102 - about $190 less than Wednesday (65% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 16 weeks before you fly. On this route, that window historically saves about 43% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If arriving on time is high on your priority list, British Airways is the strongest pick on this route. 97% of British Airways flights from London to Grenoble arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 89%. When flights on this route do arrive late, the average delay is 1 hour 36 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.

More options for your flight from London to Grenoble

Complete your trip to Grenoble with a hotel stay or car rental

Car rentals in Grenoble
Hotels in Grenoble