$20 Cheap Flights from Grenoble (GNB) to London (STN)

View $20 flight on Thu, Dec 18, 2025Opens in a new window

Popular airlines from Grenoble (GNB-Grenoble - Isere) to Stansted Airport (STN)

Cheap Flights from Grenoble to London (GNB-STN)

Prices were available within the past 7 days and start at $20 for one-way flights and $42 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Sun, Jan 11 - Sun, Jan 18
GNB
Grenoble
STN
London
$42 Roundtrip, found 5 days ago
$42
Roundtrip
found 5 days ago
Select Ryanair flight, departing Sun, Jan 11 from Grenoble to London, returning Sun, Jan 18, priced at $42 found 5 days ago
Ryanair
Thu, Jan 15 - Thu, Jan 22
GNB
Grenoble
STN
London
$44 Roundtrip, found 5 days ago
$44
Roundtrip
found 5 days ago
Select Ryanair flight, departing Thu, Jan 15 from Grenoble to London, returning Thu, Jan 22, priced at $44 found 5 days ago
Ryanair
Sun, Feb 1 - Thu, Feb 5
GNB
Grenoble
STN
London
$49 Roundtrip, found 3 days ago
$49
Roundtrip
found 3 days ago
Select Ryanair flight, departing Sun, Feb 1 from Grenoble to London, returning Thu, Feb 5, priced at $49 found 3 days ago
Ryanair
Sat, Feb 28 - Sun, Mar 8
GNB
Grenoble
STN
London
$62 Roundtrip, found 4 days ago
$62
Roundtrip
found 4 days ago
Select Ryanair flight, departing Sat, Feb 28 from Grenoble to London, returning Sun, Mar 8, priced at $62 found 4 days ago
Ryanair
Sat, Feb 28 - Sun, Mar 8
GNB
Grenoble
STN
London
$63 Roundtrip, found 4 days ago
$63
Roundtrip
found 4 days ago
Select Ryanair flight, departing Sat, Feb 28 from Grenoble to London, returning Sun, Mar 8, priced at $63 found 4 days ago
Ryanair
Thu, Jan 22 - Sun, Jan 25
GNB
Grenoble
STN
London
$64 Roundtrip, found 1 day ago
$64
Roundtrip
found 1 day ago
Select Ryanair flight, departing Thu, Jan 22 from Grenoble to London, returning Sun, Jan 25, priced at $64 found 1 day ago
Ryanair
Thu, Jan 1 - Thu, Jan 8
GNB
Grenoble
STN
London
$110 Roundtrip, found 3 days ago
$110
Roundtrip
found 3 days ago
Select Ryanair flight, departing Thu, Jan 1 from Grenoble to London, returning Thu, Jan 8, priced at $110 found 3 days ago
Ryanair
Sun, Dec 28 - Thu, Jan 1
GNB
Grenoble
STN
London
$181 Roundtrip, found 3 days ago
$181
Roundtrip
found 3 days ago
Select Ryanair flight, departing Sun, Dec 28 from Grenoble to London, returning Thu, Jan 1, priced at $181 found 3 days ago
Ryanair
Thu, Jan 1 - Sun, Jan 4
GNB
Grenoble
STN
London
$215 Roundtrip, found 2 days ago
$215
Roundtrip
found 2 days ago
Select Ryanair flight, departing Thu, Jan 1 from Grenoble to London, returning Sun, Jan 4, priced at $215 found 2 days ago
Ryanair
Sun, Dec 28 - Sat, Jan 3
GNB
Grenoble
STN
London
$257 Roundtrip, found 3 hours ago
$257
Roundtrip
found 3 hours ago
Select Ryanair flight, departing Sun, Dec 28 from Grenoble to London, returning Sat, Jan 3, priced at $257 found 3 hours ago

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Luton LTN. Average driving time to city center is 45 minutes. Flights from $270
LTN
Luton
Average driving time to city center45 min
Flights from $270
Select flight to Southend SEN. Cheapest option available. Average driving time to city center is 59 minutes. Flights from $242
SEN
Southend
Cheapest
Average driving time to city center59 min
Flights from $242
0
Flights from Grenoble (GNB) to London (STN)
Origin airport
Grenoble - Isere
Destination airport
Stansted
Airlines serving
Ryanair
Roundtrip price
$42
Distance
506 mi

Grenoble to London Flights

The cheapest times to fly from Grenoble to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Grenoble to London are during the month of January. You can find some of the cheapest flights from Grenoble to London with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Grenoble to London

Sunday is one of the best days to book for cheap flights from Grenoble to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Grenoble to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Grenoble to London in 2026. You can also book with separate airlines for your outbound and return journeys, from $20 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Grenoble to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Grenoble to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Grenoble - Isere Airport (GNB) to Stansted Airport (STN) cost?
Grab a cheap one-way flight from $20 or cheap return flight from $42 from Grenoble - Isere Airport (GNB) to Stansted Airport (STN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Grenoble - Isere Airport (GNB) to Stansted Airport (STN)?
January is the least expensive month to fly from GNB to STN. Traveling during an off-peak travel window is often the key to scoring lower fares.
Which airlines fly direct from Grenoble - Isere Airport (GNB) to Stansted Airport (STN)?
Fly directly from Grenoble - Isere Airport (GNB) to Stansted Airport (STN) on a Jet2 flight.
What is the cheapest airline that flies from Grenoble - Isere Airport (GNB) to Stansted Airport (STN)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from GNB to STN. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Grenoble - Isere Airport (GNB) to Stansted Airport (STN)?
On average, you can choose from 6 direct flights each week from Grenoble - Isere Airport (GNB) to Stansted Airport (STN). To broaden your travel options, consider a flight with a layover. Just enter your dates on Expedia and then filter your search to show one or more stops.
What are the most popular departure times for flights from Grenoble - Isere Airport (GNB) to Stansted Airport (STN)?
The 10 AM departures from GNB to STN are the busiest. Prices can be higher for these popular slots. If you want to save on your trip, choose a less crowded time to fly.
What day of the week has the most flights from GNB to STN?
If you fly on a Saturday, you'll get the greatest range of options for flights from Grenoble - Isere Airport (GNB) to Stansted Airport (STN).
What is the earliest flight from Grenoble - Isere Airport (GNB) to Stansted Airport (STN)?
Grenoble - Isere Airport (GNB)'s first flight to Stansted Airport (STN) leaves at approximately 10:40AM UTC+1. With a total journey time of 1h 50m, you'll arrive at around 11:30AM UTC+0.
How long does it take to fly from Grenoble - Isere Airport (GNB) to Stansted Airport (STN)?
Flights from GNB to STN have an average travel time of 1 hour and 50 minutes. The distance between the two is 510 mi.
What is the best time to fly from Grenoble - Isere Airport (GNB) to Stansted Airport (STN)?
To land at Stansted Airport (STN) on time, pick a flight that takes off from Grenoble - Isere Airport (GNB) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for London from Grenoble - Isere Airport (GNB)?
Grenoble - Isere Airport (GNB) has direct flights to London. These are a few of the airports you can fly to without detours:

  • Gatwick Airport (LGW)
  • Stansted Airport (STN)
  • Heathrow Airport (LHR)

Is it cheaper to buy a plane ticket from Grenoble - Isere Airport (GNB) to Stansted Airport (STN) last-minute?
Waiting until just before your departure to book a ticket from GNB to STN often results in higher prices. While you may find some last-minute discounts, they aren't always guaranteed. Be flexible with your itinerary to boost your chances of snagging a bargain.
Is it cheaper to book a GNB to STN flight and hotel package?
Securing a GNB to STN flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our wide range of accommodations and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Grenoble - Isere Airport (GNB) to Stansted Airport (STN)?
In most cases, you can modify or cancel your GNB to STN flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you need more information, head to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.