$50 Cheap Flights from London (STN) to Reykjavik (KEF)

View $50 flight on Sun, Apr 27, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from London to Reykjavik (STN-KEF)

Prices were available within the past 7 days and start at $50 for one-way flights and $112 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fly Play
Sun, Nov 2 - Thu, Nov 6
STN
London
KEF
Reykjavik
$112 Roundtrip, found 7 hours ago
$112
Roundtrip
found 7 hours ago
Select Fly Play flight, departing Sun, Nov 2 from London to Reykjavik, returning Thu, Nov 6, priced at $112 found 7 hours ago
Fly Play
Mon, Oct 13 - Thu, Oct 16
STN
London
KEF
Reykjavik
$115 Roundtrip, found 5 days ago
$115
Roundtrip
found 5 days ago
Select Fly Play flight, departing Mon, Oct 13 from London to Reykjavik, returning Thu, Oct 16, priced at $115 found 5 days ago
Fly Play
Thu, Sep 25 - Wed, Oct 1
STN
London
KEF
Reykjavik
$118 Roundtrip, found 8 hours ago
$118
Roundtrip
found 8 hours ago
Select Fly Play flight, departing Thu, Sep 25 from London to Reykjavik, returning Wed, Oct 1, priced at $118 found 8 hours ago
Jet2
Sun, Apr 27 - Sun, May 4
STN
London
KEF
Reykjavik
$120 Roundtrip, found 1 day ago
$120
Roundtrip
found 1 day ago
Select Jet2 flight, departing Sun, Apr 27 from London to Reykjavik, returning Sun, May 4, priced at $120 found 1 day ago
Fly Play
Mon, Sep 29 - Thu, Oct 2
STN
London
KEF
Reykjavik
$120 Roundtrip, found 4 days ago
$120
Roundtrip
found 4 days ago
Select Fly Play flight, departing Mon, Sep 29 from London to Reykjavik, returning Thu, Oct 2, priced at $120 found 4 days ago
Fly Play
Sat, Sep 27 - Thu, Oct 2
STN
London
KEF
Reykjavik
$122 Roundtrip, found 22 hours ago
$122
Roundtrip
found 22 hours ago
Select Fly Play flight, departing Sat, Sep 27 from London to Reykjavik, returning Thu, Oct 2, priced at $122 found 22 hours ago
Fly Play
Fri, Nov 14 - Mon, Nov 17
STN
London
KEF
Reykjavik
$125 Roundtrip, found 1 day ago
$125
Roundtrip
found 1 day ago
Select Fly Play flight, departing Fri, Nov 14 from London to Reykjavik, returning Mon, Nov 17, priced at $125 found 1 day ago
Fly Play
Sat, May 10 - Fri, May 16
STN
London
KEF
Reykjavik
$127 Roundtrip, found 6 days ago
$127
Roundtrip
found 6 days ago
Select Fly Play flight, departing Sat, May 10 from London to Reykjavik, returning Fri, May 16, priced at $127 found 6 days ago
Fly Play
Thu, Nov 20 - Sun, Nov 23
STN
London
KEF
Reykjavik
$127 Roundtrip, found 2 days ago
$127
Roundtrip
found 2 days ago
Select Fly Play flight, departing Thu, Nov 20 from London to Reykjavik, returning Sun, Nov 23, priced at $127 found 2 days ago
World Ticket Ltd
Sat, Nov 1 - Fri, Nov 7
STN
London
KEF
Reykjavik
$268 Roundtrip, found 4 days ago
$268
Roundtrip
found 4 days ago
Select World Ticket Ltd flight, departing Sat, Nov 1 from London to Reykjavik, returning Fri, Nov 7, priced at $268 found 4 days ago
Flights from London (STN) to Reykjavik (KEF)
Origin airport
Stansted
Destination airport
Keflavik Intl.
Airlines serving
Fly Play, World Ticket Ltd
Roundtrip price
$112
Distance
1172 mi

London to Reykjavik Flights

The cheapest times to fly from London to Reykjavik

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

The best time to book a flight from London to Reykjavik

Sunday is one of the best days to book for cheap flights from London to Reykjavik: 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 London to Reykjavik

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 London to Reykjavik in 2025. You can also book with separate airlines for your outbound and return journeys, from $50 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 London to Reykjavik 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 London to Reykjavik 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 Stansted Airport (STN) to Keflavik Intl. Airport (KEF) cost?
Snag cheap return fares starting at $116 from Stansted Airport (STN) to Keflavik Intl. Airport (KEF). 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 Fly Play flight leaving STN on May 10 2025 and touching down at KEF. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from STN to KEF?
The cheapest flights from STN to KEF 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 Stansted Airport (STN) to Keflavik Intl. Airport (KEF)?
If you’re departing from Stansted Airport (STN), you can hop on a direct flight to Keflavik Intl. Airport (KEF) with Fly Play.
What is the cheapest airline that flies from STN to KEF?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from STN to KEF. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Stansted Airport (STN) to Keflavik Intl. Airport (KEF)?
On average, you can take your pick of 6 nonstop flights departing from Stansted Airport (STN) to Keflavik Intl. Airport (KEF) per week. If you don’t find one that fits your travel plans, think about catching a flight that includes a layover. Filter your search on Expedia to include one or more stops and choose the best alternative.
What are the most popular departure times for flights from Stansted Airport (STN) to Keflavik Intl. Airport (KEF)?
The 11 AM departures from STN to KEF are the busiest. They can also be more expensive. If you want to save money, choose a less crowded time to fly.
What day of the week has the most flights from STN to KEF?
Friday offers the most flights from Stansted Airport (STN) to Keflavik Intl. Airport (KEF). Consider jetting off on this day and you’ll have the best chance of finding a departure that fits your itinerary.
What is the earliest flight from Stansted Airport (STN) to Keflavik Intl. Airport (KEF)?
Stansted Airport (STN)’s first flight to Keflavik Intl. Airport (KEF) leaves at approximately 11:00AM UTC+0. With a travel time of 3h 5m, you’ll land at around 2:05PM UTC+0.
How long does it take to fly from Stansted Airport (STN) to Keflavik Intl. Airport (KEF)?
Flights from STN to KEF have an average travel time of 3 hours and 5 minutes. The total distance between these two airports is 1,150 mi.
What airline has the least delays from STN to KEF?
Fly Play has the best performance for on-time direct flights from Stansted Airport (STN) to Keflavik Intl. Airport (KEF), with an on-time score of 97%. Use the Expedia App to view your flight schedule before you jet off and get real-time alerts about any trip changes.
What is the best time to fly from Stansted Airport (STN) to Keflavik Intl. Airport (KEF)?
To avoid potential delays on the Stansted Airport (STN) to Keflavik Intl. Airport (KEF) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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 Reykjavik from Stansted Airport (STN)?
Keflavik Intl. Airport (KEF) is the only airport in Reykjavik with direct flights from Stansted Airport (STN). Compare the options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Stansted Airport (STN) to Keflavik Intl. Airport (KEF) last-minute?
Booking your flight from STN to KEF right before your journey is generally more expensive. However, if you’re flexible with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a STN to KEF flight and hotel package?
Securing a STN to KEF flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our impressive range of accommodations and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Stansted Airport (STN) to Keflavik Intl. Airport (KEF)?
In most cases, you can cancel or reschedule your STN to KEF flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline’s fees and guidelines on flight changes, or if you want more information, head to our Customer Service portal.

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*Available to One Key members.