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

Popular airlines from Keflavik International Airport (KEF) to Heathrow Airport (LHR)

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
British Airways
British Airways
British Airways
Scandinavian Airlines
Icelandair
Icelandair
Scandinavian Airlines
KLM
Swiss International Air Lines

Frequently asked questions

How much does a flight from Reykjavik (KEF-Keflavik Intl.) to London (LHR-Heathrow) cost?
One-way flights typically cost between $680 and $3,150 and return flights often range between $1,474 and $5,833. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
Which airlines fly direct from Reykjavik (KEF-Keflavik Intl.) to London (LHR-Heathrow)?
Enter KEF to LHR and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Reykjavik (KEF-Keflavik Intl.) to London (LHR-Heathrow)?
To find a cheap flight from Reykjavik (KEF-Keflavik Intl.) to London (LHR-Heathrow), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Reykjavik (KEF-Keflavik Intl.) to London (LHR-Heathrow)?
The best airline to fly with from Reykjavik (KEF-Keflavik Intl.) to London (LHR-Heathrow) will differ from traveler to traveler. If you like to fly early, FI offers early morning flights. If price is the most important factor, BA typically offers the lowest fares. LH offers the most daily flights from Reykjavik (KEF-Keflavik Intl.) to London (LHR-Heathrow), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Reykjavik (KEF-Keflavik Intl.) to London (LHR-Heathrow)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Reykjavik (KEF-Keflavik Intl.) to London (LHR-Heathrow)?
There are approximately 3 nonstop flights per day from Reykjavik (KEF-Keflavik Intl.) to London (LHR-Heathrow). For even more choice, look at flights that include layovers, as there are around 26 connecting flights per day. Some common connection points include Frankfurt Intl. (FRA), Kastrup (CPH), and Gardermoen (OSL).
What is the earliest flight from Reykjavik (KEF-Keflavik Intl.) to London (LHR-Heathrow)?
The earliest flight from Reykjavik (KEF-Keflavik Intl.) to London (LHR-Heathrow) typically departs at approximately 12:10 AM local time. This service is operated by British Airways and is seasonal, active only in August. An early departure like this can help maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Reykjavik (KEF-Keflavik Intl.) to London (LHR-Heathrow)?
You'll find the most flights from Reykjavik (KEF-Keflavik Intl.) to London (LHR-Heathrow) on a Wednesday, with around 20 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Icelandair, SAS, and British Airways. Flight schedules are consistent throughout the week.
What are the most popular departure times for flights from Reykjavik (KEF-Keflavik Intl.) to London (LHR-Heathrow)?
The most popular departure times for flights from Reykjavik (KEF-Keflavik Intl.) to London (LHR-Heathrow) are in the morning, between 9am and 12pm. About 28% of passengers prefer this time window. Many major carriers, including Scandinavian Airlines, British Airways and Icelandair, offer flights during this window. This timing works well because it allows you to start your journey after a relaxed morning and arrive in London with plenty of time to settle in.
How long does it take to fly from Reykjavik (KEF-Keflavik Intl.) to London (LHR-Heathrow)?
Direct flights from KEF to LHR usually take about 3 hours 20 minutes, traveling roughly 1,179 miles. If you opt for a connecting flight, expect to add around 6 hours 40 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Reykjavik (KEF-Keflavik Intl.) to London (LHR-Heathrow)?
Select the "Business class" and "First class" filters when looking for KEF to LHR flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Reykjavik (KEF-Keflavik Intl.) to London (LHR-Heathrow) flight with Expedia?
It's easy to earn miles on a Reykjavik (KEF-Keflavik Intl.) to London (LHR-Heathrow) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for London from Keflavik Intl. (KEF)?
When traveling from Keflavik Intl. (KEF) to London, you can fly into Stansted (STN), Gatwick (LGW) and Heathrow (LHR). Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Reykjavik (KEF-Keflavik Intl.) to London (LHR-Heathrow) at the last minute?
Typically, booking a last minute flight from Reykjavik (KEF-Keflavik Intl.) to London (LHR-Heathrow) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Reykjavik (KEF-Keflavik Intl.) to London (LHR-Heathrow) flight and hotel package?
Securing a Reykjavik (KEF-Keflavik Intl.) to London (LHR-Heathrow) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Reykjavik (KEF-Keflavik Intl.) to London (LHR-Heathrow)?
If you booked your Reykjavik (KEF-Keflavik Intl.) to London (LHR-Heathrow) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Keflavik Intl.
Destination airport
Heathrow
Airlines serving
Austrian Airlines, British Airways, Icelandair, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines
Return price
AU$349
Distance
1885 km
Average flight time
4 hours 10 mins

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