$91 Cheap Flights from London (LHR) to Reykjavik (KEF)

View $91 flight on Tue, Jan 13, 2026Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Reykjavik–Keflavik Intl. Airport (KEF)

Cheap Flights from London to Reykjavik (LHR-KEF)

Prices were available within the past 7 days and start at $91 for one-way flights and $160 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Sat, Dec 6 - Sat, Dec 13
LHR
London
KEF
Reykjavik
$160 Roundtrip, found 7 hours ago
$160
Roundtrip
found 7 hours ago
Select British Airways flight, departing Sat, Dec 6 from London to Reykjavik, returning Sat, Dec 13, priced at $160 found 7 hours ago
Icelandair
Mon, Jan 5 - Wed, Jan 14
LHR
London
KEF
Reykjavik
$171 Roundtrip, found 2 hours ago
$171
Roundtrip
found 2 hours ago
Select Icelandair flight, departing Mon, Jan 5 from London to Reykjavik, returning Wed, Jan 14, priced at $171 found 2 hours ago
Icelandair
Fri, Nov 28 - Tue, Dec 9
LHR
London
KEF
Reykjavik
$171 Roundtrip, found 3 days ago
$171
Roundtrip
found 3 days ago
Select Icelandair flight, departing Fri, Nov 28 from London to Reykjavik, returning Tue, Dec 9, priced at $171 found 3 days ago
British Airways
Sat, Nov 29 - Sat, Dec 6
LHR
London
KEF
Reykjavik
$172 Roundtrip, found 3 days ago
$172
Roundtrip
found 3 days ago
Select British Airways flight, departing Sat, Nov 29 from London to Reykjavik, returning Sat, Dec 6, priced at $172 found 3 days ago
British Airways
Tue, Dec 9 - Sat, Dec 13
LHR
London
KEF
Reykjavik
$175 Roundtrip, found 1 day ago
$175
Roundtrip
found 1 day ago
Select British Airways flight, departing Tue, Dec 9 from London to Reykjavik, returning Sat, Dec 13, priced at $175 found 1 day ago
British Airways
Sun, Dec 7 - Sat, Dec 13
LHR
London
KEF
Reykjavik
$176 Roundtrip, found 5 hours ago
$176
Roundtrip
found 5 hours ago
Select British Airways flight, departing Sun, Dec 7 from London to Reykjavik, returning Sat, Dec 13, priced at $176 found 5 hours ago
Icelandair
Fri, Feb 27 - Sat, Mar 14
LHR
London
KEF
Reykjavik
$178 Roundtrip, found 1 hour ago
$178
Roundtrip
found 1 hour ago
Select Icelandair flight, departing Fri, Feb 27 from London to Reykjavik, returning Sat, Mar 14, priced at $178 found 1 hour ago
Scandinavian Airlines
Thu, Mar 26 - Wed, Apr 1
LHR
London
KEF
Reykjavik
$208 Roundtrip, found 5 days ago
$208
Roundtrip
found 5 days ago
Select Scandinavian Airlines flight, departing Thu, Mar 26 from London to Reykjavik, returning Wed, Apr 1, priced at $208 found 5 days ago
Lufthansa
Thu, Jan 8 - Sat, Jan 17
LHR
London
KEF
Reykjavik
$225 Roundtrip, found 3 hours ago
$225
Roundtrip
found 3 hours ago
Select Lufthansa flight, departing Thu, Jan 8 from London to Reykjavik, returning Sat, Jan 17, priced at $225 found 3 hours ago
Swiss International Air Lines
Sat, Nov 29 - Sat, Dec 6
LHR
London
KEF
Reykjavik
$229 Roundtrip, found 3 days ago
$229
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Sat, Nov 29 from London to Reykjavik, returning Sat, Dec 6, priced at $229 found 3 days ago

Find the cheapest month to fly from London (LHR) to Reykjavik (KEF)

January is typically the cheapest month to fly

From $130 - $258 per traveler.

Alternative airports near Reykjavik

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

Select flight to Keflavik Intl. KEF. Cheapest option available. Average driving time to city center is 45 minutes. Flights from $349
KEF
Keflavik Intl.
Cheapest
Average driving time to city center45 min
Flights from $349
Flights from London (LHR) to Reykjavik (KEF)
Origin airport
Heathrow
Destination airport
Keflavik Intl.
Airlines serving
Air Baltic, Air France, Austrian Airlines, British Airways, Eurowings, Icelandair, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines
Roundtrip price
$160
Distance
1178 mi
Average flight time
3 hours 20 mins

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 December. 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 $91 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 Heathrow Airport (LHR) to Keflavik Intl. Airport (KEF) cost?
Snag a cheap one-way flight from $91 or cheap return flight from $160 from Heathrow Airport (LHR) to Keflavik Intl. Airport (KEF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Heathrow Airport (LHR) to Keflavik Intl. Airport (KEF)?
December is the cheapest month to fly from LHR to KEF. Traveling during quieter months is often the key to landing a great deal.
Which airlines fly direct from Heathrow Airport (LHR) to Keflavik Intl. Airport (KEF)?
Take a direct flight with Icelandair and travel straight from Heathrow Airport (LHR) to Keflavik Intl. Airport (KEF).
What is the cheapest airline that flies from Heathrow Airport (LHR) to Keflavik Intl. Airport (KEF)?
British Airways and Icelandair are some popular carriers offering competitive fares. Remember that flight prices from Heathrow Airport (LHR) to Keflavik Intl. Airport (KEF) can change depending on demand, seasonality and time of booking. With Expedia's search tool, you can easily find a LHR to KEF flight that matches your preferences and budget.
How many flights per day from Heathrow Airport (LHR) to Keflavik Intl. Airport (KEF)?
With an average of 3 direct flights departing from Heathrow Airport (LHR) to Keflavik Intl. Airport (KEF) daily, you'll be jetting off in no time.
What are the most popular departure times for flights from Heathrow Airport (LHR) to Keflavik Intl. Airport (KEF)?
More passengers fly between LHR and KEF at 12 PM than at any other point in the day. Rather skip the crowds? Consider flying outside peak hours and there's a chance you'll save on your ticket as well.
What day of the week has the most flights from LHR to KEF?
Depart on a Friday if you're searching for the best selection of flights from Heathrow Airport (LHR) to Keflavik Intl. Airport (KEF).
What is the earliest flight from Heathrow Airport (LHR) to Keflavik Intl. Airport (KEF)?
The earliest flight departing from Heathrow Airport (LHR) is at around 7:25AM UTC+0. Hop on this flight and you'll arrive at Keflavik Intl. Airport (KEF) at approximately 10:45AM UTC+0. The total time in the air is 3h 20m.
How long does it take to fly from Heathrow Airport (LHR) to Keflavik Intl. Airport (KEF)?
Typically, it takes 3 hours and 16 minutes to cover the 1,200 mi from LHR to KEF.
What is the best time to fly from Heathrow Airport (LHR) to Keflavik Intl. Airport (KEF)?
To arrive at Keflavik Intl. Airport (KEF) on time, opt for a flight that leaves from Heathrow Airport (LHR) before 3 PM. The chance 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 Reykjavik from Heathrow Airport (LHR)?
Keflavik Intl. Airport (KEF) is the only airport in Reykjavik with direct flights from Heathrow Airport (LHR). Consider your options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Heathrow Airport (LHR) to Keflavik Intl. Airport (KEF) last-minute?
Holding off until just before your trip to book your flight from LHR to KEF often results in higher prices. While it's possible to find some last-minute discounts, they aren't always guaranteed. Keep your travel plans flexible for a better chance of landing a bargain.
Is it cheaper to book a LHR to KEF flight and hotel package?
You'll typically save money by securing a LHR to KEF flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. Once you've selected your preferred flights and accommodations, you can add extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Heathrow Airport (LHR) to Keflavik Intl. Airport (KEF)?
Typically, it's possible to cancel or reschedule your LHR to KEF flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.