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Heathrow Airport to Keflavík International Airport flight

Explore the cheapest one-way and round-trip flights from Heathrow Airport to Keflavík International Airport over the next 90 days, with one-way fares from HK$796 and round-trip from HK$1,041. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      LHR 8:35 PM
      3h 15m
      Nonstop
      KEF 11:50 PM
      London - Reykjavik | Sat, Dec 12 | Icelandair
      HK$796 HK$1,062
      25% off
      25% off
      HK$1,062 HK$796
    • Cheapest
      LHR 8:35 PM
      3h 15m
      Nonstop
      KEF 11:50 PM
      London - Reykjavik | Wed, Dec 9 | Icelandair
      HK$796 HK$1,062
      25% off
      25% off
      HK$1,062 HK$796
    • LHR 8:35 PM
      3h 15m
      Nonstop
      KEF 11:50 PM
      London - Reykjavik | Sun, Dec 13 | Icelandair
      HK$802 HK$1,062
      24% off
      24% off
      HK$1,062 HK$802
    • LHR 8:35 PM
      3h 15m
      Nonstop
      KEF 11:50 PM
      London - Reykjavik | Thu, Dec 10 | Icelandair
      HK$802
      24% off
      HK$1,062 HK$802
    • LHR 8:35 PM
      3h 15m
      Nonstop
      KEF 11:50 PM
      London - Reykjavik | Wed, Nov 25 | Icelandair
      HK$856
      19% off
      HK$1,062 HK$856
    • LHR 8:35 PM
      3h 15m
      Nonstop
      KEF 11:50 PM
      London - Reykjavik | Tue, Nov 24 | Icelandair
      HK$856
      19% off
      HK$1,062 HK$856
    • LHR 8:35 PM
      3h 15m
      Nonstop
      KEF 11:50 PM
      London - Reykjavik | Sat, Nov 28 | Icelandair
      HK$860
      19% off
      HK$1,062 HK$860
    • LHR 8:35 PM
      3h 15m
      Nonstop
      KEF 11:50 PM
      London - Reykjavik | Fri, Nov 27 | Icelandair
      HK$860
      19% off
      HK$1,062 HK$860
    • LHR 8:35 PM
      3h 15m
      Nonstop
      KEF 11:50 PM
      London - Reykjavik | Thu, Nov 26 | Icelandair
      HK$860
      19% off
      HK$1,062 HK$860
    • LON 1:00 PM
      17h 25m
      1 stop
      REK 2:00 PM
      London - Reykjavik | Sun, Oct 18 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      LHR 8:35 PM
      3h 15m
      KEF 11:50 PM
      London - Reykjavik | Wed, Nov 25 | Icelandair
      KEF 12:30 PM
      3h 10m
      LGW 3:40 PM
      Reykjavik - London | Wed, Dec 2 | easyJet
      HK$1,041 HK$1,396
      25% off
      25% off
      HK$1,396 HK$1,041
    • LHR 8:35 PM
      3h 15m
      KEF 11:50 PM
      London - Reykjavik | Sun, Dec 6 | Icelandair
      KEF 10:55 AM
      3h
      LTN 1:55 PM
      Reykjavik - London | Sat, Dec 12 | easyJet
      HK$1,066 HK$1,396
      24% off
      24% off
      HK$1,396 HK$1,066
    • LHR 8:35 PM
      3h 15m
      KEF 11:50 PM
      London - Reykjavik | Tue, Dec 8 | Icelandair
      KEF 10:55 AM
      3h
      LTN 1:55 PM
      Reykjavik - London | Sat, Dec 12 | easyJet
      HK$1,069 HK$1,396
      23% off
      23% off
      HK$1,396 HK$1,069
    • LHR 8:35 PM
      3h 15m
      KEF 11:50 PM
      London - Reykjavik | Mon, Dec 7 | Icelandair
      KEF 10:00 AM
      3h
      LTN 1:00 PM
      Reykjavik - London | Fri, Dec 11 | easyJet
      HK$1,081
      23% off
      HK$1,396 HK$1,081
    • LHR 8:35 PM
      3h 15m
      KEF 11:50 PM
      London - Reykjavik | Sun, Dec 13 | Icelandair
      KEF 10:00 AM
      3h
      LTN 1:00 PM
      Reykjavik - London | Fri, Dec 18 | easyJet
      HK$1,085
      22% off
      HK$1,396 HK$1,085
    • LHR 8:35 PM
      3h 15m
      KEF 11:50 PM
      London - Reykjavik | Mon, Dec 14 | Icelandair
      KEF 7:55 PM
      2h 55m
      LTN 10:50 PM
      Reykjavik - London | Fri, Dec 18 | easyJet
      HK$1,091
      22% off
      HK$1,396 HK$1,091
    • LHR 8:35 PM
      3h 15m
      KEF 11:50 PM
      London - Reykjavik | Mon, Nov 30 | Icelandair
      KEF 10:55 AM
      3h
      LTN 1:55 PM
      Reykjavik - London | Sat, Dec 5 | easyJet
      HK$1,093
      22% off
      HK$1,396 HK$1,093
    • LHR 8:35 PM
      3h 15m
      KEF 11:50 PM
      London - Reykjavik | Wed, Dec 9 | Icelandair
      KEF 5:00 PM
      2h 55m
      LTN 7:55 PM
      Reykjavik - London | Wed, Dec 16 | easyJet
      HK$1,100
      21% off
      HK$1,396 HK$1,100
    • LHR 8:35 PM
      3h 15m
      KEF 11:50 PM
      London - Reykjavik | Sat, Dec 12 | Icelandair
      KEF 8:10 PM
      3h
      LTN 11:10 PM
      Reykjavik - London | Thu, Dec 17 | easyJet
      HK$1,123
      20% off
      HK$1,396 HK$1,123
    • LON 1:00 PM
      17h 25m
      1 stop
      REK 2:00 PM
      London - Reykjavik | Sun, Oct 18 | Normal Airline
      REK 3:00 PM
      6h
      Nonstop
      LON 4:00 PM
      Reykjavik - London | Tue, Oct 20 | Normal Airline
      Find more flights
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    • Cheapest nonstop
      LHR 8:35 PM
      3h 15m
      Nonstop
      KEF 11:50 PM
      London - Reykjavik | Mon, Dec 7 | Icelandair
      HK$860 HK$6,762
      87% off
      87% off
      HK$6,762 HK$860
    • LHR 8:35 PM
      3h 15m
      Nonstop
      KEF 11:50 PM
      London - Reykjavik | Mon, Nov 23 | Icelandair
      HK$860 HK$6,762
      87% off
      87% off
      HK$6,762 HK$860
    • LHR 8:35 PM
      3h 15m
      Nonstop
      KEF 11:50 PM
      London - Reykjavik | Fri, Nov 20 | Icelandair
      HK$860 HK$6,762
      87% off
      87% off
      HK$6,762 HK$860
    • LHR 8:35 PM
      3h 15m
      Nonstop
      KEF 11:50 PM
      London - Reykjavik | Thu, Nov 19 | Icelandair
      HK$877
      87% off
      HK$6,762 HK$877
    • LHR 8:35 PM
      3h 15m
      Nonstop
      KEF 11:50 PM
      London - Reykjavik | Mon, Dec 14 | Icelandair
      HK$893
      87% off
      HK$6,762 HK$893
    • LHR 8:35 PM
      3h 15m
      Nonstop
      KEF 11:50 PM
      London - Reykjavik | Mon, Dec 21 | Icelandair
      HK$944
      86% off
      HK$6,762 HK$944
    • LHR 8:35 PM
      3h 15m
      Nonstop
      KEF 11:50 PM
      London - Reykjavik | Thu, Nov 5 | Icelandair
      HK$1,358
      80% off
      HK$6,762 HK$1,358
    • LHR 8:35 PM
      3h 15m
      Nonstop
      KEF 11:50 PM
      London - Reykjavik | Thu, Oct 29 | Icelandair
      HK$1,475
      78% off
      HK$6,762 HK$1,475
    • LHR 8:35 PM
      3h 15m
      Nonstop
      KEF 11:50 PM
      London - Reykjavik | Mon, Nov 2 | Icelandair
      HK$1,741
      74% off
      HK$6,762 HK$1,741
    • LON 1:00 PM
      17h 25m
      1 stop
      REK 2:00 PM
      London - Reykjavik | Sun, Oct 18 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      LHR 8:35 PM
      3h 15m
      Nonstop
      KEF 11:50 PM
      London - Reykjavik | Mon, Dec 7 | Icelandair
      HK$860 HK$6,762
      87% off
      87% off
      HK$6,762 HK$860
    • LHR 8:35 PM
      3h 15m
      Nonstop
      KEF 11:50 PM
      London - Reykjavik | Mon, Nov 23 | Icelandair
      HK$860 HK$6,762
      87% off
      87% off
      HK$6,762 HK$860
    • LHR 8:35 PM
      3h 15m
      Nonstop
      KEF 11:50 PM
      London - Reykjavik | Fri, Nov 20 | Icelandair
      HK$860 HK$6,762
      87% off
      87% off
      HK$6,762 HK$860
    • LHR 8:35 PM
      3h 15m
      Nonstop
      KEF 11:50 PM
      London - Reykjavik | Thu, Nov 19 | Icelandair
      HK$877
      87% off
      HK$6,762 HK$877
    • LHR 8:35 PM
      3h 15m
      Nonstop
      KEF 11:50 PM
      London - Reykjavik | Mon, Dec 14 | Icelandair
      HK$893
      87% off
      HK$6,762 HK$893
    • LHR 8:35 PM
      3h 15m
      Nonstop
      KEF 11:50 PM
      London - Reykjavik | Mon, Dec 21 | Icelandair
      HK$944
      86% off
      HK$6,762 HK$944
    • LHR 8:35 PM
      3h 15m
      Nonstop
      KEF 11:50 PM
      London - Reykjavik | Thu, Nov 5 | Icelandair
      HK$1,358
      80% off
      HK$6,762 HK$1,358
    • LHR 8:35 PM
      3h 15m
      Nonstop
      KEF 11:50 PM
      London - Reykjavik | Thu, Oct 29 | Icelandair
      HK$1,475
      78% off
      HK$6,762 HK$1,475
    • LHR 8:35 PM
      3h 15m
      Nonstop
      KEF 11:50 PM
      London - Reykjavik | Mon, Nov 2 | Icelandair
      HK$1,741
      74% off
      HK$6,762 HK$1,741
    • LON 1:00 PM
      17h 25m
      1 stop
      REK 2:00 PM
      London - Reykjavik | Sun, Oct 18 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      LHR 9:25 PM
      3h 10m
      Nonstop
      KEF 11:35 PM
      London - Reykjavik | Mon, Oct 19 | Icelandair
      HK$2,797 HK$8,235
      66% off
      66% off
      HK$8,235 HK$2,797
    • LHR 1:05 PM
      3h 10m
      Nonstop
      KEF 3:15 PM
      London - Reykjavik | Sat, Oct 17 | Icelandair
      HK$2,987 HK$8,235
      64% off
      64% off
      HK$8,235 HK$2,987
    • LHR 7:55 AM
      3h 5m
      Nonstop
      KEF 10:00 AM
      London - Reykjavik | Wed, Oct 21 | British Airways
      HK$3,278 HK$8,235
      60% off
      60% off
      HK$8,235 HK$3,278
    • LHR 7:25 AM
      3h 5m
      Nonstop
      KEF 9:30 AM
      London - Reykjavik | Sun, Oct 18 | British Airways
      HK$3,711
      55% off
      HK$8,235 HK$3,711
    • LHR 7:20 AM
      3h 5m
      Nonstop
      KEF 9:25 AM
      London - Reykjavik | Sat, Oct 17 | British Airways
      HK$3,711
      55% off
      HK$8,235 HK$3,711
    • LHR 9:25 PM
      3h 10m
      Nonstop
      KEF 11:35 PM
      London - Reykjavik | Sun, Oct 18 | Icelandair
      HK$4,682
      43% off
      HK$8,235 HK$4,682
    • LHR 7:35 AM
      3h 5m
      Nonstop
      KEF 9:40 AM
      London - Reykjavik | Thu, Oct 22 | British Airways
      HK$5,038
      39% off
      HK$8,235 HK$5,038
    • LHR 9:25 PM
      3h 10m
      Nonstop
      KEF 11:35 PM
      London - Reykjavik | Thu, Oct 22 | Icelandair
      HK$5,477
      33% off
      HK$8,235 HK$5,477
    • LHR 9:25 PM
      3h 10m
      Nonstop
      KEF 11:35 PM
      London - Reykjavik | Wed, Oct 21 | Icelandair
      HK$5,477
      33% off
      HK$8,235 HK$5,477
    • LON 1:00 PM
      17h 25m
      1 stop
      REK 2:00 PM
      London - Reykjavik | Sun, Oct 18 | Normal Airline
      Find more flights
      Find more flights
    • LHR 7:55 AM
      3h 5m
      Nonstop
      KEF 10:00 AM
      London - Reykjavik | Wed, Oct 21 | British Airways
      HK$3,278 HK$6,762
      52% off
      52% off
      HK$6,762 HK$3,278
    • LHR 7:25 AM
      3h 5m
      Nonstop
      KEF 9:30 AM
      London - Reykjavik | Sun, Oct 18 | British Airways
      HK$3,711 HK$6,762
      45% off
      45% off
      HK$6,762 HK$3,711
    • LHR 9:25 PM
      3h 10m
      Nonstop
      KEF 11:35 PM
      London - Reykjavik | Wed, Oct 21 | Icelandair
      HK$5,477 HK$6,762
      19% off
      19% off
      HK$6,762 HK$5,477
    • LHR 7:35 AM
      3h 15m
      Nonstop
      KEF 10:50 AM
      London - Reykjavik | Sat, Nov 7 | British Airways
      HK$1,497
      78% off
      HK$6,762 HK$1,497
    • LHR 12:15 PM
      3h 15m
      Nonstop
      KEF 3:30 PM
      London - Reykjavik | Sat, Nov 7 | Icelandair
      HK$2,792
      59% off
      HK$6,762 HK$2,792
    • LHR 7:35 AM
      3h 15m
      Nonstop
      KEF 10:50 AM
      London - Reykjavik | Tue, Dec 8 | British Airways
      HK$993
      85% off
      HK$6,762 HK$993
    • LHR 12:15 PM
      3h 15m
      Nonstop
      KEF 3:30 PM
      London - Reykjavik | Tue, Jan 5 | Icelandair
      HK$2,520
      63% off
      HK$6,762 HK$2,520
    • LHR 7:35 AM
      3h 15m
      Nonstop
      KEF 10:50 AM
      London - Reykjavik | Wed, Dec 16 | British Airways
      HK$998
      85% off
      HK$6,762 HK$998
    • LHR 12:15 PM
      3h 15m
      Nonstop
      KEF 3:30 PM
      London - Reykjavik | Mon, Dec 14 | Icelandair
      HK$2,220
      67% off
      HK$6,762 HK$2,220
    • LON 1:00 PM
      17h 25m
      1 stop
      REK 2:00 PM
      London - Reykjavik | Sun, Oct 18 | Normal Airline
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Displayed flight fares from London to Reykjavik are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights: Flights from Heathrow Airport to Keflavík International Airport

Which month has the lowest one-way flight price from Heathrow Airport to Keflavík International Airport?

The data is based on the average one-way flight prices on Trip.com for flights from Heathrow Airport to Keflavík International Airport across different months over the past 12 months.

Based on Trip.com data from the past 12 months, if you’re looking for low one-way flight fares from Heathrow Airport to Keflavík International Airport, the best time to book is in January, with an average price of HK$1,556. Try to avoid October, when prices are highest, averaging around HK$3,095.

HK$3,095
HK$2,326
HK$1,556
HK$787
    Cheapest
  • HK$3,095
    Oct
  • HK$1,586
    Nov
  • HK$2,516
    Dec
  • HK$1,556
    Jan
  • HK$1,693
    Feb
  • HK$1,973
    Mar
  • HK$1,715
    Apr
  • HK$1,834
    May
  • HK$1,928
    Jun
  • HK$2,666
    Jul
  • HK$2,807
    Aug
  • HK$1,988
    Sep

Which month is the cheapest for round-trip flights from Heathrow Airport to Keflavík International Airport?

The data is based on the average round-trip flight prices on Trip.com for flights from Heathrow Airport to Keflavík International Airport across different months over the past 12 months.

Based on Trip.com data from the past 12 months, November is usually the cheapest month to find flights from Heathrow Airport to Keflavík International Airport, with an average price of HK$2,795. In contrast, December is typically the most expensive month, with average prices reaching HK$5,062.

HK$5,062
HK$3,929
HK$2,795
HK$1,662
    Cheapest
  • HK$3,983
    Oct
  • HK$2,795
    Nov
  • HK$5,062
    Dec
  • HK$3,439
    Jan
  • HK$3,560
    Feb
  • HK$4,570
    Mar
  • HK$4,275
    Apr
  • HK$3,789
    May
  • HK$4,517
    Jun
  • HK$4,930
    Jul
  • HK$4,850
    Aug
  • HK$3,710
    Sep

What is the cheapest day of the week to fly from Heathrow Airport to Keflavík International Airport?

The data is based on the average flight prices on Trip.com from Heathrow Airport to Keflavík International Airport across different days of the week over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to depart from Heathrow Airport to Keflavík International Airport is usually Tuesday, with average fares typically lower than other days. Try to avoid departing on Wednesday, as prices are usually the highest on that day.

HK$2,316
HK$2,090
HK$1,863
HK$1,637
  • HK$2,295
    Mon
  • HK$1,863
    Tue
  • HK$2,316
    Wed
  • HK$2,029
    Thu
  • HK$2,066
    Fri
  • HK$2,131
    Sat
  • HK$2,001
    Sun

Which airline offers the cheapest flights from Heathrow Airport to Keflavík International Airport?

The cheapest airline flying from Heathrow Airport to Keflavík International Airport is Icelandair (from HK$843) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Icelandair
From HK$843
British Airways
From HK$935
Scandinavian Airlines
From HK$1,097
KLM
From HK$1,447
Brussels Airlines
From HK$1,461
LOT Polish Airlines
From HK$1,555
Lufthansa
From HK$1,919
Swiss Airlines
From HK$2,143
Aer Lingus
From HK$2,220
Air France
From HK$2,631

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What is the flight schedule from Heathrow Airport to Keflavík International Airport?

Check the schedule for flights from London to Reykjavik and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. FI455

    Heathrow Airport

    9:25 PM

    LHR

    3h 10m

    11:35 PM

    KEF

    S M T W T F S
    Search

  2. BA800

    Heathrow Airport

    7:25 AM

    LHR

    3h 15m

    10:40 AM

    KEF

    S M T W T F S
    Search
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About Heathrow Airport and Keflavík International Airport

Learn about Heathrow Airport (LHR) and Keflavík International Airport (KEF) — including location, terminals, transportation, and travel tips.

Flight distance 1,899.12 km
Cheapest one-way ticket price HK$796
Cheapest return ticket price HK$1,041

FAQs for Heathrow Airport to Keflavík International Airport Flights

  • How long is the flight from Heathrow Airport to Keflavík International Airport?

    Heathrow Airport to Keflavík International Airport takes about 2 hours 47 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 3 daily flights from Heathrow Airport (LHR) to Keflavík International Airport (KEF).
  • The earliest flight from Heathrow Airport to Keflavík International Airport departs at 07:20, and the last departs at 21:35, with about 3 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Heathrow Airport (LHR) to Keflavík International Airport (KEF) is quite popular. Without considering departure times or holidays, tickets cost around HK$4,250 in October, the most expensive month to book this route.
    • The distance from Keflavík International Airport to downtown is about 38 km. It takes about 50 minutes by taxi.
    • The distance from Reykjavik Domestic Airport to downtown is about 2 km. It takes about 20 minutes by taxi.
  • The closest airport to Keflavík International Airport (KEF) is Reykjavik Domestic Airport. The distance is around 37 km.
  • Icelandair is a very popular airline operating an average of 4168 flights per month.
  • One-way flights from Heathrow Airport to Keflavík International Airport currently start from HK$796, and round-trip fares start from HK$1,041. The current lowest fare is a Icelandair flight departing on Sat, Dec 12; prices may vary depending on availability.
  • Yes. Icelandair and British Airways operate direct flights from Heathrow Airport to Keflavík International Airport, with an average flight time of 2 hours 44 minutes, and around 21 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Heathrow Airport to Keflavík International Airport is HK$2,706. Prices may vary depending on the departure date, airline, and availability.
  • Heathrow Airport to Keflavík International Airport operates around 21 weekly flights, mainly by Icelandair and British Airways. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Heathrow Airport and Keflavík International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Note: Prices shown on this page are the lowest estimated prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before payment. Charges for checked baggage, onboard meals, Wi-Fi, and other optional services may also appear in the flight cards where applicable.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and for many routes the data may refresh in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.