This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
GNB — LON
2 Dec — 9 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Grenoble to London are usually found in January or February, booked 8 days in advance, depart on a Monday or Tuesday and return on a Thursday
Cheap flight deals from Grenoble to London
Enter your travel dates to find the best prices.
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Best
Direct
Last-minute
One-way
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 2 November 2026.
Sun 13/1212:20 -
Nonstop1h 50m
Sat 19/1206:05 -
Nonstop1h 45m
Deal found 1/11£60
Sun 13/1212:20 -
Nonstop1h 50m
Mon 14/1208:10 -
Nonstop1h 45m
Deal found 29/10£61
Sun 13/1211:05 -
Nonstop1h 50m
Thu 17/1207:25 -
Nonstop1h 45m
Deal found 1/11£62
Sat 19/1209:45 -
Nonstop1h 50m
Mon 21/1208:10 -
Nonstop1h 45m
Deal found 2/11£63
Sun 27/1217:55 -
Nonstop1h 40m
Thu 31/1207:15 -
Nonstop1h 45m
Deal found 29/10£63
Sat 5/1217:05 -
Nonstop1h 50m
Sun 6/1208:00 -
Nonstop1h 55m
Deal found 29/10£65
Sun 27/1211:05 -
Nonstop1h 50m
Sun 3/108:10 -
Nonstop1h 50m
Deal found 1/11£66
Sat 5/1209:50 -
Nonstop1h 40m
Mon 7/1208:10 -
Nonstop1h 45m
Deal found 29/10£66
Fri 11/1216:00 -
Nonstop1h 45m
Sun 13/1207:15 -
Nonstop1h 50m
Deal found 29/10£67
Sat 12/1212:55 -
Nonstop1h 45m
Sun 13/1208:00 -
Nonstop1h 55m
Deal found 2/11£68
Sat 26/1218:25 -
Nonstop1h 40m
Thu 31/1207:15 -
Nonstop1h 45m
Deal found 29/10£69
Sun 13/1211:40 -
Nonstop1h 50m
Sat 19/1212:30 -
Nonstop1h 50m
Deal found 31/10£69
Best flights from Grenoble to London
Discover carefully curated flight deals from Grenoble to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 November 2026.
Sat 5/1217:05 -
Nonstop1h 50m
Sun 13/1208:00 -
Nonstop1h 55m
Deal found 1/11£70
Sat 26/1212:55 -
Nonstop1h 45m
Sun 3/108:00 -
Nonstop1h 55m
Deal found 31/10£75
Thu 17/1211:05 -
Nonstop1h 45m
Sun 20/1207:00 -
Nonstop1h 45m
Deal found 28/10£77
Sat 30/109:45 -
Nonstop1h 45m
Sun 31/113:10 -
Nonstop1h 50m
Deal found 28/10£84
Mon 15/211:40 -
Nonstop1h 45m
Fri 19/212:30 -
Nonstop1h 45m
Deal found 29/10£80
Thu 25/211:05 -
Nonstop1h 45m
Sat 27/215:35 -
Nonstop1h 40m
Deal found 1/11£80
Sun 10/117:15 -
Nonstop1h 40m
Sun 17/113:50 -
Nonstop1h 45m
Deal found 28/10£80
Sat 12/1209:50 -
Nonstop1h 40m
Tue 15/1212:20 -
Nonstop1h 45m
Deal found 28/10£83
Sun 27/1211:40 -
Nonstop1h 50m
Sun 3/108:00 -
Nonstop1h 55m
Deal found 31/10£84
Sun 6/1210:25 -
Nonstop1h 40m
Mon 7/1208:10 -
Nonstop1h 45m
Deal found 29/10£84
Fri 11/1216:00 -
Nonstop1h 45m
Sun 13/1207:00 -
Nonstop1h 45m
Deal found 2/11£85
Thu 17/1211:05 -
Nonstop1h 45m
Mon 21/1208:10 -
Nonstop1h 45m
Deal found 29/10£88
Sat 6/209:45 -
Nonstop1h 45m
Sat 6/213:30 -
Nonstop1h 45m
Deal found 30/10£90
Sat 9/109:50 -
Nonstop1h 40m
Sat 16/115:35 -
Nonstop1h 40m
Deal found 28/10£96
Sat 13/309:50 -
Nonstop1h 40m
Mon 15/308:10 -
Nonstop1h 45m
Deal found 2/11£97
Sun 13/1211:40 -
Nonstop1h 50m
Sun 20/1208:00 -
Nonstop1h 55m
Deal found 29/10£98
Sun 24/117:15 -
Nonstop1h 40m
Sun 31/113:50 -
Nonstop1h 45m
Deal found 28/10£99
Sat 26/1209:45 -
Nonstop1h 45m
Sun 3/108:00 -
Nonstop1h 55m
Deal found 29/10£103
Sat 19/1211:10 -
1 stop11h 45m
Sun 3/108:00 -
Nonstop1h 55m
Deal found 30/10£104
Direct flights from Grenoble to London
Explore direct flight options from Grenoble to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 2 November 2026.
Sun 13/1212:20 -
Nonstop1h 50m
Sat 19/1206:05 -
Nonstop1h 45m
Deal found 1/11£60
Sat 27/212:55 -
Nonstop1h 45m
Sun 7/313:10 -
Nonstop1h 50m
Deal found 1/11£60
Sun 13/1212:20 -
Nonstop1h 50m
Mon 14/1208:10 -
Nonstop1h 45m
Deal found 29/10£61
Sun 13/1211:05 -
Nonstop1h 50m
Thu 17/1207:25 -
Nonstop1h 45m
Deal found 1/11£62
Sat 19/1209:45 -
Nonstop1h 50m
Mon 21/1208:10 -
Nonstop1h 45m
Deal found 2/11£63
Sun 27/1217:55 -
Nonstop1h 40m
Thu 31/1207:15 -
Nonstop1h 45m
Deal found 29/10£63
Sat 27/212:55 -
Nonstop1h 45m
Sun 28/213:10 -
Nonstop1h 50m
Deal found 1/11£63
Sat 27/218:25 -
Nonstop1h 40m
Sun 28/214:10 -
Nonstop1h 55m
Deal found 29/10£64
Sun 14/216:50 -
Nonstop1h 50m
Sat 20/212:30 -
Nonstop1h 50m
Deal found 30/10£64
Sat 5/1217:05 -
Nonstop1h 50m
Sun 6/1208:00 -
Nonstop1h 55m
Deal found 29/10£65
Sun 27/1211:05 -
Nonstop1h 50m
Sun 3/108:10 -
Nonstop1h 50m
Deal found 1/11£66
Sat 5/1209:50 -
Nonstop1h 40m
Mon 7/1208:10 -
Nonstop1h 45m
Deal found 29/10£66
Last-minute flights from Grenoble to London
Discover last-minute flight deals from Grenoble to London. Data last updated 2 November 2026 and is based on user searches.
Sat 5/1209:50 -
Nonstop1h 40m
Mon 7/1208:10 -
Nonstop1h 45m
Deal found 29/10£66
Fri 11/1216:00 -
Nonstop1h 45m
Sun 13/1207:15 -
Nonstop1h 50m
Deal found 29/10£67
Sun 13/1212:20 -
Nonstop1h 50m
Sat 19/1206:05 -
Nonstop1h 45m
Deal found 1/11£60
Sun 13/1212:20 -
Nonstop1h 50m
Mon 14/1208:10 -
Nonstop1h 45m
Deal found 29/10£61
Sun 13/1211:05 -
Nonstop1h 50m
Thu 17/1207:25 -
Nonstop1h 45m
Deal found 1/11£62
Sat 19/1209:45 -
Nonstop1h 50m
Mon 21/1208:10 -
Nonstop1h 45m
Deal found 2/11£63
Sat 26/1218:25 -
Nonstop1h 40m
Thu 31/1207:15 -
Nonstop1h 45m
Deal found 29/10£69
Sun 27/1217:55 -
Nonstop1h 40m
Thu 31/1207:15 -
Nonstop1h 45m
Deal found 29/10£63
Sun 27/1211:05 -
Nonstop1h 50m
Sun 3/108:10 -
Nonstop1h 50m
Deal found 1/11£66
One-way flights from Grenoble to London
Search for one-way flight options from Grenoble to London. Find affordable one-way fares based on user searches. Data last updated 2 November 2026.
Sat 12/1212:55 -
Nonstop1h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 2/11£19
Sat 27/212:55 -
Nonstop1h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 1/11£28
Sun 7/216:50 -
Nonstop1h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 30/10£30
Sun 14/217:55 -
Nonstop1h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 28/10£31
Sun 14/216:50 -
Nonstop1h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 28/10£31
Sat 16/109:45 -
Nonstop1h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 1/11£32
Sun 27/1217:55 -
Nonstop1h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 29/10£33
Sat 5/1217:05 -
Nonstop1h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/10£33
Sat 19/1209:45 -
Nonstop1h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 2/11£34
Sun 20/1216:50 -
Nonstop1h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 29/10£34
Sat 26/1212:55 -
Nonstop1h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 28/10£35
Sat 23/118:25 -
Nonstop1h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 2/11£37
Find 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 2 November 2026.
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 7,457,451 searches. Data last updated 2 November 2026.
Use the filters below to find and compare flights from Grenoble to London that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
GrenobleLondon
GNB Grenoble - LTN London Luton
GNBLTN
Grenoble
Sat 12/12
12:55-13:40
Nonstop1h 45m
London Luton
Wed 31/12
00:00-00:00
Nonstop0h 00m
£19
GrenobleLondon
GNB Grenoble - LTN London Luton
GNBLTN
Grenoble
Sun 14/2
16:50-17:40
Nonstop1h 50m
London Luton
Wed 31/12
00:00-00:00
Nonstop0h 00m
£31
GrenobleLondon
GNB Grenoble - LTN London Luton
GNBLTN
Grenoble
Sat 23/1
16:10-17:00
Nonstop1h 50m
London Luton
Wed 31/12
00:00-00:00
Nonstop0h 00m
£32
GrenobleLondon
GNB Grenoble - LTN London Luton
GNBLTN
Grenoble
Sun 21/3
16:50-17:40
Nonstop1h 50m
London Luton
Wed 31/12
00:00-00:00
Nonstop0h 00m
£33
GrenobleLondon
GNB Grenoble - LTN London Luton
GNBLTN
Grenoble
Sun 20/12
16:50-17:40
Nonstop1h 50m
London Luton
Wed 31/12
00:00-00:00
Nonstop0h 00m
£34
Fastest return journey
GrenobleLondon
GNB Grenoble - LGW London Gatwick
GNBLGW
Grenoble
Sat 19/12
18:25-19:05
Nonstop1h 40m
London Gatwick
Wed 31/12
00:00-00:00
Nonstop0h 00m
£39
GrenobleLondon
GNB Grenoble - LGW London Gatwick
GNBLGW
Grenoble
Tue 22/12
15:55-16:40
Nonstop1h 45m
London Gatwick
Wed 31/12
00:00-00:00
Nonstop0h 00m
£40
GrenobleLondon
GNB Grenoble - LTN London Luton
GNBLTN
Grenoble
Sat 5/12
17:05-17:55
Nonstop1h 50m
London Luton
Wed 31/12
00:00-00:00
Nonstop0h 00m
£40
GrenobleLondon
GNB Grenoble - LGW London Gatwick
GNBLGW
Grenoble
Mon 14/12
11:40-12:25
Nonstop1h 45m
London Gatwick
Wed 31/12
00:00-00:00
Nonstop0h 00m
£41
GrenobleLondon
GNB Grenoble - LTN London Luton
GNBLTN
Grenoble
Sat 26/12
16:10-17:00
Nonstop1h 50m
London Luton
Wed 31/12
00:00-00:00
Nonstop0h 00m
£41
Flights are sorted by cheapest return flights first.
Deals found on 2/11
Showing 1-10 of 38 resultsSorted by cheapest first
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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.
GNB-LON
GNB-LGW
GNB-LTN
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 Grenoble to London
GNB-LON
GNB-LGW
GNB-LTN
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 2 November 2026.
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 evening could potentially save you up to 81% on airfare.
How much does it cost for a return flight from Grenoble to London?
Airfare is below average for this route at the moment.
Grenoble to London flights typically cost between £80 and £100 in December.The cheapest return price found within the last 5 days was £60 on Jet2 (13 Dec–19 Dec).
How far ahead should I book a flight from Grenoble to London?
Booking 4 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.
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.
How long is the flight from Grenoble to London?
There are many flights that can get you from Grenoble to London in 1h 50m. Fly via easyJet to get the fastest option. Airlines will cover a distance of 519 mi. Generally, flights for this route are direct.
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.
Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 2 November 2026.
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 Grenoble to London?
When you search for this flight from Grenoble to London, 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 Grenoble to London?
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 London from Grenoble.
Can Cheapflights find flights from Grenoble to London with no change fees?
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.
Can Cheapflights notify me if prices for flights from Grenoble to London become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!
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