Find flights
When to book
FAQs

Cheap flights from London Heathrow Airport to Reykjavik

LHR — REK
16 Jul — 23 Jul1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Reykjavik are usually found in January or March, booked 70 days in advance, depart on a Thursday or Sunday and return on a Monday

Cheap flight deals from Heathrow to Reykjavik

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Reykjavik (REK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 July 2025.

Popular in

July

Cheapest in

January

Average price

£293

Good round-trip deal

£371 or less

Good one-way deal

£214 or less
Highest demand for flights based on searches. 22% potential increase in price (£44 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£6 potential savings vs. average return price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from London Heathrow to Reykjavik (REK).
Price to beat on a one-way flight from London Heathrow to Reykjavik (REK).

Best time to book a flight from Heathrow to Reykjavik

Have a flexible travel schedule? Discover the best time to fly to Reykjavik from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Reykjavik

How far ahead should I book a flight from London Heathrow Airport to Reykjavik?

Use this chart to determine the optimal time to book a return flight from Heathrow to Reykjavik. Price data was last updated on 27 June 2025.

The best time to book flights from London Heathrow Airport to Reykjavik is 70 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from London Heathrow Airport to Reykjavik?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Reykjavik (average of £75). Flying from London Heathrow Airport to Reykjavik in July is currently the most expensive (average of £289). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to REK?

Find hourly flight availability from Heathrow to Reykjavik. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 July 2025.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Reykjavik in the afternoon. If you’re flexible enough to do this you can expect to save up to 71% on your trip compared to booking a flight at midday.

What is the cheapest day to fly from London Heathrow Airport to Reykjavik?

Use this chart to determine the cheapest time to fly return from Heathrow to Reykjavik. Price data was last updated on 6 July 2025.

Travellers seeking maximum savings on their London Heathrow Airport to Reykjavik flight should consider departing on Sunday afternoons when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Reykjavik. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the most reliable airlines from London Heathrow Airport to Reykjavik?

    No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Reykjavik consider choosing Emirates (100%), Icelandair (88%) or TAP AIR PORTUGAL (88%) as they are the most reliable in getting you off to your destination on time.

  • Can I find deals for flights from Heathrow to Reykjavik that include hotel bookings?

    Yes. In addition to deals on Heathrow to Reykjavik flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Reykjavik?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Reykjavik.

  • Can I find deals for business class flights from Heathrow to Reykjavik?

    Yes. Cheapflights offers flight deals from Heathrow to Reykjavik by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Reykjavik?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Reykjavik (average of £75). Flying from London Heathrow Airport to Reykjavik in July is currently the most expensive (average of £289). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hveragerdi

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Heathrow to Reykjavik

Discover the top 4 airlines that operate flights from Heathrow to Reykjavik. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£83Average£150FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
British AirwaysCheapest£114Average£192FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Scandinavian AirlinesCheapest£133Average£270FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IcelandairCheapest£134Average£226FlexibilityNo cancel feeOn-time76%
Search Icelandair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Reykjavik?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Reykjavik from Heathrow today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Reykjavik?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Reykjavik.

Can Cheapflights find flights from Heathrow to Reykjavik with no change fees?

Yes! Cheapflights helps users easily find flights from Heathrow to Reykjavik with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Reykjavik become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Reykjavik from Heathrow today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.