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Keflavík International Airport to Heathrow Airport flight

Explore the cheapest one-way and round-trip flights from Keflavík International Airport to Heathrow Airport over the next 90 days, with one-way fares from €108 and round-trip from €151. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        KEF 16:20
        3h 10m
        Nonstop
        LHR 19:30
        Reykjavik - London | Fri, Nov 20 | Icelandair
        LGW 08:00
        3h 30m
        Nonstop
        KEF 11:30
        London - Reykjavik | Tue, Nov 24 | easyJet
        €176 €235
        25% off
        25% off
        €235 €176
      • KEF 11:55
        9h 40m
        1 stop
        LHR 21:35
        Reykjavik - London | Thu, Oct 29 | Scandinavian Airlines
        LGW 15:55
        3h 25m
        Nonstop
        KEF 19:20
        London - Reykjavik | Sun, Nov 1 | easyJet
        €151 €235
        36% off
        36% off
        €235 €151
      • KEF 12:25
        21h 10m
        1 stop
        LHR 09:35
        Reykjavik - London | Sun, Dec 6 | Scandinavian Airlines
        LTN 08:00
        3h 15m
        Nonstop
        KEF 11:15
        London - Reykjavik | Wed, Dec 9 | easyJet
        €152 €235
        35% off
        35% off
        €235 €152
      • KEF 11:35
        21h 45m
        1 stop
        LHR 09:20
        Reykjavik - London | Fri, Dec 4 | Scandinavian Airlines
        LTN 13:00
        3h 15m
        Nonstop
        KEF 16:15
        London - Reykjavik | Wed, Dec 9 | easyJet
        €157
        33% off
        €235 €157
      • KEF 11:55
        6h 55m
        1 stop
        LHR 18:50
        Reykjavik - London | Mon, Nov 2 | Scandinavian Airlines
        LTN 07:00
        3h 15m
        Nonstop
        KEF 10:15
        London - Reykjavik | Sat, Nov 7 | easyJet
        €158
        33% off
        €235 €158
      • KEF 11:55
        6h 55m
        1 stop
        LHR 18:50
        Reykjavik - London | Tue, Nov 3 | Scandinavian Airlines
        LTN 06:00
        3h 15m
        Nonstop
        KEF 09:15
        London - Reykjavik | Thu, Nov 5 | easyJet
        €159
        32% off
        €235 €159
      • KEF 14:45
        6h 5m
        1 stop
        LHR 20:50
        Reykjavik - London | Fri, Nov 27 | KLM
        LTN 06:00
        3h 15m
        Nonstop
        KEF 09:15
        London - Reykjavik | Sun, Nov 29 | easyJet
        €165
        30% off
        €235 €165
      • KEF 11:35
        6h 55m
        1 stop
        LHR 18:30
        Reykjavik - London | Thu, Nov 5 | Scandinavian Airlines
        LTN 06:00
        3h 15m
        Nonstop
        KEF 09:15
        London - Reykjavik | Thu, Nov 12 | easyJet
        €166
        28% off
        €235 €166
      • KEF 11:35
        10h 5m
        1 stop
        LHR 21:40
        Reykjavik - London | Wed, Nov 11 | Scandinavian Airlines
        LTN 15:35
        3h 10m
        Nonstop
        KEF 18:45
        London - Reykjavik | Mon, Nov 16 | easyJet
        €167
        28% off
        €235 €167
      • KEF 11:35
        21h 45m
        1 stop
        LHR 09:20
        Reykjavik - London | Fri, Nov 27 | Scandinavian Airlines
        LTN 07:00
        3h 15m
        Nonstop
        KEF 10:15
        London - Reykjavik | Tue, Dec 1 | easyJet
        €168
        28% off
        €235 €168
      • KEF 11:55
        21h 40m
        1 stop
        LHR 09:35
        Reykjavik - London | Fri, Nov 13 | Scandinavian Airlines
        LGW 08:00
        3h 30m
        Nonstop
        KEF 11:30
        London - Reykjavik | Tue, Nov 17 | easyJet
        €174
        26% off
        €235 €174
      • KEF 11:55
        6h 55m
        1 stop
        LHR 18:50
        Reykjavik - London | Fri, Oct 30 | Scandinavian Airlines
        LTN 15:35
        3h 10m
        Nonstop
        KEF 18:45
        London - Reykjavik | Mon, Nov 2 | easyJet
        €176
        25% off
        €235 €176
      • REK 13:00
        17h 25m
        1 stop
        LON 14:00
        Reykjavik - London | Sat, Oct 10 | Normal Airline
        LON 15:00
        6h
        Nonstop
        REK 16:00
        London - Reykjavik | Mon, Oct 12 | Normal Airline
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      • Cheapest nonstop
        KEF 16:20
        3h 10m
        Nonstop
        LHR 19:30
        Reykjavik - London | Sat, Nov 21 | Icelandair
        €120 €166
        28% off
        28% off
        €166 €120
      • KEF 11:35
        22h
        1 stop
        LHR 09:35
        Reykjavik - London | Fri, Nov 27 | Scandinavian Airlines
        €108 €166
        35% off
        35% off
        €166 €108
      • KEF 11:35
        28h 50m
        1 stop
        LHR 16:25
        Reykjavik - London | Thu, Nov 12 | Scandinavian Airlines
        €110 €166
        34% off
        34% off
        €166 €110
      • KEF 11:55
        28h 30m
        1 stop
        LHR 16:25
        Reykjavik - London | Tue, Nov 24 | Scandinavian Airlines
        €114
        31% off
        €166 €114
      • KEF 18:05
        20h 20m
        1 stop
        LHR 14:25
        Reykjavik - London | Mon, Dec 7 | Transavia France
        €115
        31% off
        €166 €115
      • KEF 11:55
        9h 40m
        1 stop
        LHR 21:35
        Reykjavik - London | Mon, Oct 26 | Scandinavian Airlines
        €121
        27% off
        €166 €121
      • KEF 18:05
        27h 35m
        1 stop
        LHR 21:40
        Reykjavik - London | Wed, Dec 2 | Scandinavian Airlines
        €122
        27% off
        €166 €122
      • KEF 18:05
        24h 25m
        1 stop
        LHR 18:30
        Reykjavik - London | Mon, Nov 30 | Scandinavian Airlines
        €123
        26% off
        €166 €123
      • KEF 11:55
        9h 40m
        1 stop
        LHR 21:35
        Reykjavik - London | Tue, Oct 27 | Scandinavian Airlines
        €123
        26% off
        €166 €123
      • KEF 11:35
        28h 25m
        1 stop
        LHR 16:00
        Reykjavik - London | Fri, Nov 20 | Scandinavian Airlines
        €123
        26% off
        €166 €123
      • KEF 11:35
        28h 25m
        1 stop
        LHR 16:00
        Reykjavik - London | Tue, Nov 10 | Scandinavian Airlines
        €123
        26% off
        €166 €123
      • KEF 12:25
        9h 10m
        1 stop
        LHR 21:35
        Reykjavik - London | Sun, Dec 6 | Scandinavian Airlines
        €124
        25% off
        €166 €124
      • REK 13:00
        17h 25m
        1 stop
        LON 14:00
        Reykjavik - London | Sat, Oct 10 | Normal Airline
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Displayed flight fares from Keflavík International Airport to Heathrow Airport 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 Keflavík International Airport to Heathrow Airport

What is the cheapest month for one-way flights from Keflavík International Airport to Heathrow Airport?

Data is based on average one-way flight prices from Keflavík International Airport to Heathrow Airport in Trip.com's database over the past 12 months.

Based on Trip.com’s data from the past 12 months, if you’re looking for a low-cost one-way ticket from Keflavík International Airport to Heathrow Airport, the best time to buy is in February, with an average price of €227. You’ll want to avoid August, when the average price can reach as high as €386.

€386
€307
€227
€148
    Cheapest
  • €354
    Oct
  • €249
    Nov
  • €241
    Dec
  • €272
    Jan
  • €227
    Feb
  • €244
    Mar
  • €246
    Apr
  • €243
    May
  • €292
    Jun
  • €333
    Jul
  • €386
    Aug
  • €332
    Sep

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

The data is based on the past 12 months and shows the average ticket prices from Keflavík International Airport to Heathrow Airport for each day of the week in the Trip.com database.

Based on Trip.com’s data from the past 12 months, the cheapest day to depart from Keflavík International Airport to Heathrow Airport is Tuesday, with average fares typically lower than other days. You’ll want to avoid flying on Monday, as ticket prices are usually the highest that day.

€315
€286
€257
€228
  • €315
    Mon
  • €257
    Tue
  • €257
    Wed
  • €290
    Thu
  • €278
    Fri
  • €286
    Sat
  • €298
    Sun

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

The cheapest airline flying from Keflavík International Airport to Heathrow Airport is Scandinavian Airlines (from €108) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Scandinavian Airlines
From €108
Transavia France
From €115
Icelandair
From €120
KLM
From €131
British Airways
From €135
Lufthansa
From €180
Swiss Airlines
From €187
Wizz Air
From €225
Finnair
From €238
easyJet
From €241

Find more flights and airlines

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

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. FI454

    Keflavík International Airport

    16:10

    KEF

    3h 10m

    20:20

    LHR

    S M T W T F S
    Search

  2. KL2746

    Keflavík International Airport

    08:50

    KEF

    3h 5m

    Nonstop

    13:55

    AMS

    S - T - T - -
    Search

  3. KL1017

    Amsterdam Airport Schiphol

    20:40

    AMS

    1h 10m

    Nonstop

    20:50

    LHR

    S M T W T F S

  4. SK4786

    Keflavík International Airport

    18:10

    KEF

    2h 40m

    Nonstop

    22:50

    OSL

    - - - - T - -
    Search

  5. SK811

    Oslo Airport

    17:30

    OSL

    2h 20m

    Nonstop

    18:50

    LHR

    S M T W - F S

  6. SK4786

    Keflavík International Airport

    18:10

    KEF

    2h 40m

    Nonstop

    22:50

    OSL

    - - - - T - -
    Search

  7. SK815

    Oslo Airport

    20:20

    OSL

    2h 15m

    Nonstop

    21:35

    LHR

    S M T W - - S

  8. SK596

    Keflavík International Airport

    11:35

    KEF

    3h 5m

    Nonstop

    15:40

    CPH

    S M T W T F S
    Search

  9. SK1501

    Copenhagen Airport

    20:40

    CPH

    2h

    Nonstop

    21:40

    LHR

    S M T W T - S

  10. SK4788

    Keflavík International Airport

    11:15

    KEF

    2h 40m

    Nonstop

    15:55

    OSL

    S M T W T - S
    Search

  11. SK803

    Oslo Airport

    08:00

    OSL

    2h 35m

    Nonstop

    09:35

    LHR

    S M T W T F S

  12. SK2596

    Keflavík International Airport

    18:05

    KEF

    3h

    Nonstop

    22:05

    CPH

    S M T W T F S
    Search

  13. SK501

    Copenhagen Airport

    08:10

    CPH

    2h 10m

    Nonstop

    09:20

    LHR

    S M T W T F S

  14. SK4786

    Keflavík International Airport

    18:10

    KEF

    2h 40m

    Nonstop

    22:50

    OSL

    - - - - T - -
    Search

  15. SK803

    Oslo Airport

    08:00

    OSL

    2h 35m

    Nonstop

    09:35

    LHR

    S M T W T F S

  16. SK4788

    Keflavík International Airport

    11:15

    KEF

    2h 40m

    Nonstop

    15:55

    OSL

    S M T W T - S
    Search

  17. SK809

    Oslo Airport

    15:05

    OSL

    2h 20m

    Nonstop

    16:25

    LHR

    S M - W T F S

  18. SK2596

    Keflavík International Airport

    18:05

    KEF

    3h

    Nonstop

    22:05

    CPH

    S M T W T F S
    Search

  19. SK505

    Copenhagen Airport

    15:00

    CPH

    2h

    Nonstop

    16:00

    LHR

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

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

Flight distance 1,899.12 km
Cheapest one-way ticket price €108
Cheapest return ticket price €151

FAQs for Keflavík International Airport to Heathrow Airport Flights

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

    Keflavík International Airport to Heathrow 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 Keflavík International Airport (KEF) to Heathrow Airport (LHR).
  • The earliest flight from Keflavík International Airport to Heathrow Airport departs at 07:40, and the last departs at 16:10, 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 Keflavík International Airport (KEF) to Heathrow Airport (LHR) is quite popular. Without considering departure times or holidays, tickets cost around €479 in October, the most expensive month to book this route.
  • The earliest flight departs from Keflavík International Airport (KEF) at 07:40 and arrives in Heathrow Airport (LHR) at 11:55.
  • The latest flight departs from Keflavík International Airport (KEF) at 18:45 and arrives in Heathrow Airport (LHR) at 21:45.
    • The distance from London Gatwick Airport to downtown is about 39 km, by taxi about 50 minutes.
    • The distance from Heathrow Airport to downtown is about 23 km, by taxi about 40 minutes.
    • The distance from London Luton Airport to downtown is about 44 km, by taxi about 1 hour.
  • British Airways is a very popular airline operating an average of 2887 flights per month.
  • One-way flights from Keflavík International Airport to Heathrow Airport currently start from €108, and round-trip fares start from €151. The current lowest fare is a Scandinavian Airlines flight departing on Fri, Nov 27; prices may vary depending on availability.
  • Yes. Icelandair and British Airways operate direct flights from Keflavík International Airport to Heathrow Airport, with an average flight time of 2 hours 48 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 Keflavík International Airport to Heathrow Airport is €366. Prices may vary depending on the departure date, airline, and availability.
  • Keflavík International Airport to Heathrow Airport operates around 21 weekly flights, mainly by Icelandair and British Airways. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Keflavík International Airport and Heathrow 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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