Cheap flights from London Heathrow Airport to Reykjavik from $112
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Reykjavik departing on 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from London Heathrow Airport to Reykjavik
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
British Airways flights from London Heathrow Airport to Reykjavik Keflavik Intl Airport
Our best British Airways deals on London Heathrow Airport to Reykjavik Keflavik Intl Airport flight tickets
Scandinavian Airlines flights from London Heathrow Airport to Reykjavik Keflavik Intl Airport
Our best Scandinavian Airlines deals on London Heathrow Airport to Reykjavik Keflavik Intl Airport flight tickets
See travel insights to Reykjavik from
How to get the cheapest flight ticket from London Heathrow Airport to Reykjavik Keflavik Intl 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 cheapest month to fly to Reykjavik Keflavik Intl Airport?
The month of January is, on average, the cheapest month to fly to Reykjavik Keflavik Intl Airport from London Heathrow Airport, with most prices found around $195. If you’re not able to fly to Reykjavik Keflavik Intl Airport in January, then February is your next best option. Flight prices from London Heathrow Airport to Reykjavik Keflavik Intl Airport during February average around $231.
What is the cheapest day to depart on your flight to Reykjavik Keflavik Intl Airport?
The cheapest day to depart from London Heathrow Airport to Reykjavik Keflavik Intl Airport is on a Friday when prices can be found for as low as $424. The most expensive day to fly to Reykjavik Keflavik Intl Airport is Saturday, with ticket prices averaging around $510.
What is the cheapest time of day to depart on your flight to Reykjavik Keflavik Intl Airport?
The cheapest time of day to fly to Reykjavik Keflavik Intl Airport is in the evening when flights can be purchased for as low as $398. Flights at noon are often more expensive with an average ticket price of $668.
What is the cheapest London Heathrow to Reykjavik Keflavik Intl flight route?
Fly from London Heathrow to Reykjavik Keflavik Intl for the best London Heathrow - Reykjavik Keflavik Intl flight prices
How far in advance should I book a flight to Reykjavik Keflavik Intl Airport?
You are more likely to see cheaper flights to Reykjavik Keflavik Intl Airport from London Heathrow Airport when booking 15 weeks ahead of your departure date. In general, you can expect to find flights to Reykjavik Keflavik Intl Airport for around $280 when searching 15 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Reykjavik Keflavik Intl Airport from London Heathrow Airport for as low as $227 on momondo.
What cabin class options are available on London Heathrow to Reykjavik Keflavik Intl flights?
There are 3 cabin classes available to choose from on London Heathrow to Reykjavik Keflavik Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How many flights depart from London Heathrow Airport to Reykjavik Keflavik Intl Airport on average per day?
The number of flights available between London Heathrow Airport and Reykjavik Keflavik Intl Airport is 5 per day as of June 2025. The most frequent departure time is 1:00PM, with 40% of daily flights leaving in the afternoon.
How many flights depart from London Heathrow Airport to Reykjavik Keflavik Intl Airport on average per week?
As of June 2025, there are 37 flights per week flying from London Heathrow Airport to Reykjavik Keflavik Intl Airport. The most common day of the week flights depart is Wed, with 27% of flights taking off on this day.
When to book flights from London Heathrow Airport to Reykjavik Keflavik Intl Airport
Cheap London Heathrow Airport to Reykjavik Keflavik Intl Airport (LHR to KEF) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Reykjavik Keflavik Intl Airport
How far is London Heathrow to Reykjavik Keflavik Intl by plane?
A flight from London Heathrow to Reykjavik Keflavik Intl will travel around 1176.8 mi. By plane, this route typically takes 3h 05m.
When did momondo last update prices for flights from London Heathrow Airport to Reykjavik Keflavik Intl Airport?
Prices for flights from London Heathrow Airport to Reykjavik Keflavik Intl Airport refresh daily.
How many operators does momondo search for flights from London Heathrow Airport to Reykjavik Keflavik Intl Airport?
As of June 2025, there are 2 operators available to choose from for flights from London Heathrow Airport to Reykjavik Keflavik Intl Airport.
How old do you have to be to fly from London Heathrow Airport to Reykjavik Keflavik Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Reykjavik Keflavik Intl Airport.
What documentation or ID do you need to fly to Reykjavik Keflavik Intl Airport?
The travel and health documents required for your trip to Reykjavik Keflavik Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Reykjavik Keflavik Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from London Heathrow Airport to Reykjavik Keflavik Intl Airport?
Based on momondo bookings for flights between London Heathrow Airport and Reykjavik Keflavik Intl Airport, the leading plane model is Boeing 777, making up 12.60% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 8.68%, Airbus A320neo with 8.47%, and Airbus A330-900neo with 7.17%.
What is the most popular airline from London Heathrow Airport to Reykjavik Keflavik Intl Airport?
Based on momondo bookings for flights between London Heathrow Airport and Reykjavik Keflavik Intl Airport, the leading airline is Icelandair, making up 76% of the total bookings. Other popular airlines include British Airways with 24%.
Best airlines flying from London Heathrow Airport to Reykjavik Keflavik Intl Airport
Compare and see reviews for airlines that fly from London Heathrow Airport to Reykjavik Keflavik Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $154 | Free Cancellation | Rating 6.6 7,008 reviews | |||
| PriceFrom $156 | Free Cancellation | Rating 7.0 499 reviews |
Icelandair Flights From London Heathrow Airport to Reykjavik Keflavik Intl Airport
Icelandair flies from London Heathrow Airport to Reykjavik Keflavik Intl Airport around 12 times per week, with 499 momondo users rating the airline 7.0/10. The cheapest Icelandair deal from London Heathrow Airport to Reykjavik Keflavik Intl Airport in the last 72 hours was $156 (round-trip), much lower than the average airfare cost of $286 for Icelandair flights on this route.
British Airways Flights From London Heathrow Airport to Reykjavik Keflavik Intl Airport
Across 7,008 British Airways reviews on momondo, the average score is 6.6/10. British Airways flies from London Heathrow Airport to Reykjavik Keflavik Intl Airport about 1 time each week, with ticket deals ranging from $154 to $253. Price data is based on momondo searches in the last 72 hours.
Traveling to a place near Reykjavik?
Book flights to Reykjavik if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from London to Reykjavik?
It is quick and easy to find London to Reykjavik flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Reykjavik that suits you.
Can I find flights from London to Reykjavik with flexible booking policies on momondo?
Yes. All flights to Reykjavik from London on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from London to Reykjavik?
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 London to Reykjavik.
I’m not ready to book a flight from London to Reykjavik right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Reykjavik, momondo offers a useful price alert feature which will track prices for flights to Reykjavik from London and alert you when they change.