What are the cheapest airlines flying from Reykjavik to London Heathrow Airport round-trip?

Flying on British Airways is currently your cheapest option to London Heathrow Airport, with prices starting at $177. Another option worth looking into is Icelandair, starting at $224 round trip. British Airways is currently priced 51% below the average price you’ll pay for this route.

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

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

Weekly flight availability from Reykjavik to London Heathrow Airport

The most flights from REK to LHR are scheduled on a Friday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

What are the most reliable airlines from Reykjavik to London Heathrow Airport?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Reykjavik to London Heathrow Airport on time: Turkish Airlines (90%), Emirates (88%), Icelandair (86%).

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

Departing on a Monday is a good option for securing a great price. You can expect to save up to 59% when planning your travel around this day of the week.

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

Users have found that booking a flight from Reykjavik to London Heathrow Airport at least 52 days early can save you up to 207% on average compared to booking a flight this week. If booking 52 days before your flight isn’t an option for you, users have found flights from Reykjavik to London Heathrow Airport for as little as $136 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $222 for flights departing within the next 3 days.

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

Flights from Reykjavik to London Heathrow Airport lean towards being more expensive in June. Prices are generally better when you fly from Reykjavik to London Heathrow Airport in March, with the cheapest ticket starting at $55.

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

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

How can I find direct flights from Reykjavik to Heathrow?

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

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

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

Find Cheap Flights from Reykjavik to London Heathrow Airport

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Cheap flight deals from Reykjavik to Heathrow

Popular in	October
Cheapest in	May
Average price	$368
Good round-trip deal	$266 or less
Good one-way deal	$211 or less

Highest demand for flights based on searches. 25% potential increase in price ($122 potential increase over avg. RT price).

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Cheapest flight prices on average. 14% potential price decrease ($47 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Price to beat on a round-trip flight from Reykjavik (REK) to London Heathrow.

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Price to beat on a one-way flight from Reykjavik (REK) to London Heathrow.

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Best time to book a flight from Reykjavik to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Reykjavik with our price prediction graph.

Estimated round-trip price

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

Prices

Airlines

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

Currently, November is the cheapest month in which you can book a flight from Reykjavik to London Heathrow Airport (average of $661). Flying from Reykjavik to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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 REK to LHR?

Unlike in the morning, when flights are generally more expensive, you can save up to 81% on flights from Reykjavik to London Heathrow Airport by exploring options for tickets in the afternoon.

Reviews of airlines servicing Heathrow

See what other customers who have flown with Icelandair from Reykjavik to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Icelandair

7.0

Good

544 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.

Icelandair

7.0

Good

544 reviews

Icelandair

7.0

Good

544 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.

Related info for your journey

What are the cheapest airlines flying from Reykjavik to London Heathrow Airport round-trip?
Flying on British Airways is currently your cheapest option to London Heathrow Airport, with prices starting at $177. Another option worth looking into is Icelandair, starting at $224 round trip. British Airways is currently priced 51% below the average price you’ll pay for this route.
What are the most reliable airlines from Reykjavik to London Heathrow Airport?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Reykjavik to London Heathrow Airport on time: Turkish Airlines (90%), Emirates (88%), Icelandair (86%).
Can I find deals for flights from Reykjavik to Heathrow that include hotel bookings?
Yes. In addition to deals on Reykjavik to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reykjavik to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reykjavik to Heathrow.
Can I find deals for business class flights from Reykjavik to Heathrow?
Yes. Cheapflights offers flight deals from Reykjavik to Heathrow 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 Reykjavik to London Heathrow Airport?
Currently, November is the cheapest month in which you can book a flight from Reykjavik to London Heathrow Airport (average of $661). Flying from Reykjavik to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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.

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Top 2 airlines flying from Reykjavik to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$177	Average$395	FlexibilityNo cancel fee	On-time70%
Icelandair	Cheapest$224	Average$341	FlexibilityNo cancel fee	On-time76%

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Cheap flights from Reykjavik (REK) to Heathrow (LHR)

Find cheap flights from Reykjavik to Heathrow with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Reykjavik to Heathrow

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Best time to book a flight from Reykjavik to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Reykjavik with our price prediction graph.

Cheapflights Insights

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

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

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

Weekly flight availability from Reykjavik to London Heathrow Airport

Reviews of airlines servicing Heathrow

See what other customers who have flown with Icelandair from Reykjavik to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Reykjavik to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Reykjavik to London Heathrow Airport round-trip?

What are the most reliable airlines from Reykjavik to London Heathrow Airport?

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

How can I find direct flights from Reykjavik to Heathrow?

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

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

Traveling to a place near London Heathrow Airport?

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Alternative routes for Reykjavik to Heathrow

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Top 2 airlines flying from Reykjavik to Heathrow

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