$54 Cheap Flights from Reykjavik (KEF) to London (LGW)

Popular airlines from Reykjavik–Keflavik Intl. Airport (KEF) to Gatwick Airport (LGW)

Find available prices by choosing your travel dates.

Cheap Flights from Reykjavik to London (KEF-LGW)

Prices were available within the past 7 days and start at $54 for one-way flights and $147 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

easyJet
easyJet
easyJet
easyJet
Norwegian Air Shuttle
Norwegian Air Shuttle
Norwegian Air Shuttle
Icelandair
Swiss International Air Lines
Air Baltic
Flights from Reykjavik (KEF) to London (LGW)
Origin airport
Keflavik Intl.
Destination airport
Gatwick
Airlines serving
Air Baltic, Iberia, Icelandair, Norwegian Air Shuttle, Swiss International Air Lines, easyJet
Roundtrip price
$146
Distance
1203 mi

Reykjavik to London Flights

The cheapest times to fly from Reykjavik 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 Reykjavik to London are during the month of March. You can find some of the cheapest flights from Reykjavik to London with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Reykjavik to London

Sunday is one of the best days to book for cheap flights from Reykjavik 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 Reykjavik 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 Reykjavik to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $54 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 Reykjavik 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 Reykjavik 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 Keflavik Intl. Airport (KEF) to Gatwick Airport (LGW) cost?
Cheap return fares from Keflavik Intl. Airport (KEF) to Gatwick Airport (LGW) start at $256. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Icelandair and Fly Play flight leaving KEF on May 7 2025 and touching down at LGW. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from KEF to LGW?
The cheapest flights from KEF to LGW are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Keflavik Intl. Airport (KEF) to Gatwick Airport (LGW)?
Fly straight to Gatwick Airport (LGW). 3 airlines operate direct flights from Keflavik Intl. Airport (KEF), including:

  • EasyJet
  • Icelandair
  • TUI Airways

What is the cheapest airline that flies from KEF to LGW?
Journey from KEF to LGW with Icelandair. This airline currently offers the lowest one-way fare for this route, starting at $151. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from KEF on May 20 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Keflavik Intl. Airport (KEF) to Gatwick Airport (LGW)?
With an average of 2 direct flights departing from Keflavik Intl. Airport (KEF) to Gatwick Airport (LGW) every day, you’ll be up in the air in no time.
What are the most popular departure times for flights from Keflavik Intl. Airport (KEF) to Gatwick Airport (LGW)?
The 7 AM departures from KEF to LGW see the highest demand. These flights can come with a higher price due to their popularity. If you’re looking to save, pick a less crowded time to fly.
What day of the week has the most flights from KEF to LGW?
If you travel on a Sunday, you’ll get the widest range of choices for flights from Keflavik Intl. Airport (KEF) to Gatwick Airport (LGW).
What is the earliest flight from Keflavik Intl. Airport (KEF) to Gatwick Airport (LGW)?
Catch the earliest flight at around 7:40AM UTC+0, heading out of Keflavik Intl. Airport (KEF). You’ll be in the air for around 3h 15m, touching down at Gatwick Airport (LGW) at approximately 10:55AM UTC+0.
How long does it take to fly from Keflavik Intl. Airport (KEF) to Gatwick Airport (LGW)?
It takes roughly 3 hours and 13 minutes to cover the 1,200 mi from KEF to LGW.
What is the best time to fly from Keflavik Intl. Airport (KEF) to Gatwick Airport (LGW)?
Select a flight from Keflavik Intl. Airport (KEF) to Gatwick Airport (LGW) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**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 Keflavik Intl. Airport (KEF)?
Catch a direct flight from Keflavik Intl. Airport (KEF) to London and touch down at one of these hubs:

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

Is it cheaper to buy a plane ticket from Keflavik Intl. Airport (KEF) to Gatwick Airport (LGW) last-minute?
Last-minute bookings from KEF to LGW are generally more expensive. For the lowest prices, start searching for flights as soon as possible. That being said, if you can play around with your travel dates, it’s possible to land a cheap fare just before your departure.
Is it cheaper to book a KEF to LGW flight and hotel package?
Compared with arranging hotels and flights separately, booking a KEF to LGW flight and hotel package with Expedia could lead to significant savings. What’s more, having it all in one place will take the stress out of travel planning. Just secure your flights and select from our extensive range of stays, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Keflavik Intl. Airport (KEF) to Gatwick Airport (LGW)?
Typically, it’s possible to reschedule or cancel your KEF to LGW flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are possible and if any costs are involved. You’ll also find more details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.