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Cheap flights from Reykjavik Keflavik Intl Airport to London Heathrow Airport from £66

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Reykjavik Keflavik Intl Airport to London Heathrow Airport departing on 20/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Reykjavik Keflavik Intl Airport to London

Cheap return flights

These are some of the best return flight deals from Reykjavik Keflavik Intl Airport to London that have been recently found on momondo from popular airlines, departing in the coming months.
11:40 - 14:55KEF-LHR
3h 15mdirect
07:20 - 10:40LHR-KEF
3h 20mdirect
£125British Airways
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Thu, 20 Mar - Sun, 23 Mar
18:45 - 21:45KEF-LHR
3h 00mdirect
07:25 - 09:30LHR-KEF
3h 05mdirect
£126British Airways
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Fri, 28 Mar - Sun, 30 Mar
18:45 - 21:45KEF-LHR
3h 00mdirect
20:40 - 23:55LHR-KEF
3h 15mdirect
Fri, 14 Mar - Tue, 18 Mar
11:30 - 16:00KEF-LHR
28h 30m1 stop
19:50 - 11:00LHR-KEF
15h 10m1 stop
£164Scandinavian Airlines
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Thu, 13 Mar - Mon, 17 Mar
11:30 - 16:00KEF-LHR
28h 30m1 stop
20:40 - 23:55LHR-KEF
3h 15mdirect
Fri, 14 Mar - Tue, 18 Mar
12:00 - 16:00KEF-LHR
28h 00m2 stops
19:50 - 11:00LHR-KEF
15h 10m1 stop
£172Scandinavian Airlines
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Thu, 13 Mar - Mon, 17 Mar
16:20 - 19:30KEF-LHR
3h 10mdirect
20:40 - 23:55LHR-KEF
3h 15mdirect
£182Icelandair
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Sat, 22 Mar - Tue, 25 Mar
16:20 - 19:30KEF-LHR
3h 10mdirect
21:25 - 23:35LHR-KEF
3h 10mdirect
£196Icelandair
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Fri, 28 Mar - Sun, 30 Mar
01:15 - 19:40KEF-LHR
17h 25m1 stop
10:30 - 23:35LHR-KEF
14h 05m1 stop
£225Lufthansa
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Thu, 8 May - Sun, 11 May
01:15 - 10:40KEF-LHR
8h 25m2 stops
16:30 - 23:35LHR-KEF
8h 05m1 stop
£292Lufthansa
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Thu, 3 Apr - Mon, 7 Apr

Scandinavian Airlines flights from Reykjavik Keflavik Intl Airport to London Heathrow Airport

Our best Scandinavian Airlines deals on Reykjavik Keflavik Intl Airport to London Heathrow Airport flight tickets
Scandinavian Airlines
13 Mar
KEF11:30Reykjavik Keflavik Intl
28h 30m
1 stop
LHR16:00London Heathrow
17 Mar
LHR19:50London Heathrow
15h 10m
1 stop
KEF11:00Reykjavik Keflavik Intl
Scandinavian Airlines
13 Mar
KEF12:00Reykjavik Keflavik Intl
28h 00m
2 stops
LHR16:00London Heathrow
17 Mar
LHR19:50London Heathrow
15h 10m
1 stop
KEF11:00Reykjavik Keflavik Intl
Scandinavian Airlines
8 May
KEF11:05Reykjavik Keflavik Intl
6h 45m
1 stop
LHR18:50London Heathrow
13 May
LHR21:05London Heathrow
13h 25m
2 stops
KEF09:30Reykjavik Keflavik Intl

Icelandair flights from Reykjavik Keflavik Intl Airport to London Heathrow Airport

Our best Icelandair deals on Reykjavik Keflavik Intl Airport to London Heathrow Airport flight tickets
Icelandair
22 Mar
KEF16:20Reykjavik Keflavik Intl
3h 10m
LHR19:30London Heathrow
25 Mar
LHR20:40London Heathrow
3h 15m
KEF23:55Reykjavik Keflavik Intl
Icelandair
28 Mar
KEF16:20Reykjavik Keflavik Intl
3h 10m
LHR19:30London Heathrow
30 Mar
LHR21:25London Heathrow
3h 10m
KEF23:35Reykjavik Keflavik Intl
Icelandair
25 Apr
KEF16:10Reykjavik Keflavik Intl
3h 10m
LHR20:20London Heathrow
29 Apr
LHR13:05London Heathrow
3h 10m
KEF15:15Reykjavik Keflavik Intl

See travel insights to London from

How to get the cheapest flight ticket from Reykjavik Keflavik Intl Airport to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Reykjavik Keflavik Intl Airport and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

In general, March is the cheapest month to fly from Reykjavik Keflavik Intl Airport to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £177. The month of April is another great option to travel to London Heathrow Airport, with average flight prices from Reykjavik Keflavik Intl Airport averaging around £183.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is at midday. momondo users have found flights departing from Reykjavik Keflavik Intl Airport to London Heathrow Airport at midday for as low as £0. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £287 on average. Flights to London Heathrow Airport from Reykjavik Keflavik Intl Airport in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Reykjavik Keflavik Intl to London Heathrow flight route?

Fly from Reykjavik Keflavik Intl to London Heathrow for the best Reykjavik Keflavik Intl - London Heathrow flight prices

What cabin class options are available on Reykjavik Keflavik Intl to London Heathrow flights?

There are 3 cabin classes available to choose from on Reykjavik Keflavik Intl to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Reykjavik Keflavik Intl Airport to London Heathrow Airport flight prices changed over time?

As of February 2025, prices for Reykjavik Keflavik Intl Airport to London Heathrow Airport flights are approximately 2% more expensive when compared to flights at the same time last year.

When to book flights from Reykjavik Keflavik Intl Airport to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Reykjavik Keflavik Intl Airport to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Reykjavik Keflavik Intl Airport to London Heathrow Airport (KEF to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Reykjavik Keflavik Intl Airport to London Heathrow Airport

Best price found

£66

Fastest flight time

3h 00m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Reykjavik Keflavik Intl Airport in the past 72 hours is £66. The best return flight deal from Reykjavik Keflavik Intl Airport to London Heathrow Airport found on momondo in the last 72 hours is £125.
The fastest flight from Reykjavik Keflavik Intl Airport to London Heathrow Airport takes 3h 00m
Direct flights go from Reykjavik Keflavik Intl Airport to London Heathrow Airport every day.

  • How far is Reykjavik Keflavik Intl to London Heathrow by plane?

    London Heathrow is 1176.8 mi away from Reykjavik Keflavik Intl. In terms of flight time, this usually takes a little over 3h 00m.

  • When did momondo last update prices for flights from Reykjavik Keflavik Intl Airport to London Heathrow Airport?

    Prices for flights from Reykjavik Keflavik Intl Airport to London Heathrow Airport were last updated today.

  • How old do you have to be to fly from Reykjavik Keflavik Intl Airport to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Reykjavik Keflavik Intl Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Reykjavik Keflavik Intl Airport to London Heathrow Airport?


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Why use momondo?

Why should I use momondo to find a flight deal from Reykjavik to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Reykjavik to London. momondo saves you time and could save you money on your trip.

Can I find flights from Reykjavik to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Reykjavik which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Reykjavik to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Reykjavik to London.

I’m not ready to book a flight from Reykjavik to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from Reykjavik are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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