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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 €102 and round-trip from €147. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        KEF 16:20
        3h 10m
        Direct
        LHR 19:30
        Reykjavik - London | Sat, Nov 14 | Icelandair
        LTN 07:00
        3h 15m
        Direct
        KEF 10:15
        London - Reykjavik | Sat, Nov 21 | easyJet
        €174 €235
        26% off
        26% off
        €235 €174
      • KEF 16:05
        3h
        Direct
        LHR 19:05
        Reykjavik - London | Sat, Nov 14 | British Airways
        LTN 07:00
        3h 15m
        Direct
        KEF 10:15
        London - Reykjavik | Sat, Nov 21 | easyJet
        €182 €235
        23% off
        23% off
        €235 €182
      • KEF 16:20
        3h 10m
        Direct
        LHR 19:30
        Reykjavik - London | Thu, Nov 12 | Icelandair
        LTN 06:00
        3h 15m
        Direct
        KEF 09:15
        London - Reykjavik | Thu, Nov 19 | easyJet
        €197 €235
        16% off
        16% off
        €235 €197
      • KEF 16:05
        3h
        Direct
        LHR 19:05
        Reykjavik - London | Sat, Nov 7 | British Airways
        LTN 07:00
        3h 15m
        Direct
        KEF 10:15
        London - Reykjavik | Sat, Nov 14 | easyJet
        €204
        13% off
        €235 €204
      • KEF 11:55
        9h 40m
        1 stop
        LHR 21:35
        Reykjavik - London | Thu, Nov 5 | Scandinavian Airlines
        LGW 15:55
        3h 25m
        Direct
        KEF 19:20
        London - Reykjavik | Sun, Nov 8 | easyJet
        €147
        37% off
        €235 €147
      • KEF 11:55
        6h 55m
        1 stop
        LHR 18:50
        Reykjavik - London | Mon, Nov 9 | Scandinavian Airlines
        LTN 07:00
        3h 15m
        Direct
        KEF 10:15
        London - Reykjavik | Sat, Nov 14 | easyJet
        €154
        34% off
        €235 €154
      • KEF 11:55
        6h 55m
        1 stop
        LHR 18:50
        Reykjavik - London | Tue, Nov 10 | Scandinavian Airlines
        LTN 06:00
        3h 15m
        Direct
        KEF 09:15
        London - Reykjavik | Thu, Nov 12 | easyJet
        €155
        34% off
        €235 €155
      • KEF 18:05
        15h 15m
        1 stop
        LHR 09:20
        Reykjavik - London | Sat, Nov 14 | Scandinavian Airlines
        LTN 07:00
        3h 15m
        Direct
        KEF 10:15
        London - Reykjavik | Sat, Nov 21 | easyJet
        €156
        34% off
        €235 €156
      • KEF 11:35
        6h 55m
        1 stop
        LHR 18:30
        Reykjavik - London | Thu, Nov 12 | Scandinavian Airlines
        LTN 06:00
        3h 15m
        Direct
        KEF 09:15
        London - Reykjavik | Thu, Nov 19 | easyJet
        €162
        31% off
        €235 €162
      • KEF 11:35
        6h 5m
        1 stop
        LHR 17:40
        Reykjavik - London | Tue, Nov 17 | Scandinavian Airlines
        LTN 15:55
        3h 5m
        Direct
        KEF 19:00
        London - Reykjavik | Fri, Nov 20 | easyJet
        €167
        28% off
        €235 €167
      • KEF 11:55
        6h 55m
        1 stop
        LHR 18:50
        Reykjavik - London | Fri, Nov 6 | Scandinavian Airlines
        LTN 15:35
        3h 10m
        Direct
        KEF 18:45
        London - Reykjavik | Mon, Nov 9 | easyJet
        €172
        27% off
        €235 €172
      • KEF 12:25
        9h 10m
        1 stop
        LHR 21:35
        Reykjavik - London | Sun, Nov 8 | Scandinavian Airlines
        LTN 07:00
        3h 15m
        Direct
        KEF 10:15
        London - Reykjavik | Sat, Nov 14 | easyJet
        €178
        24% off
        €235 €178
      • REK 13:00
        17h 25m
        1 stop
        LON 14:00
        Reykjavik - London | Sun, Sep 20 | Normal Airline
        LON 15:00
        6h
        Direct
        REK 16:00
        London - Reykjavik | Tue, Sep 22 | Normal Airline
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      • Cheapest nonstop
        KEF 11:55
        3h 10m
        Direct
        LHR 15:05
        Reykjavik - London | Sat, Nov 7 | British Airways
        €110 €138
        20% off
        20% off
        €138 €110
      • KEF 07:55
        24h 40m
        1 stop
        LHR 09:35
        Reykjavik - London | Fri, Oct 23 | Scandinavian Airlines
        €102 €138
        26% off
        26% off
        €138 €102
      • KEF 11:55
        28h 30m
        1 stop
        LHR 16:25
        Reykjavik - London | Tue, Oct 27 | Scandinavian Airlines
        €102 €138
        26% off
        26% off
        €138 €102
      • KEF 11:55
        21h 40m
        1 stop
        LHR 09:35
        Reykjavik - London | Fri, Nov 6 | Scandinavian Airlines
        €102
        26% off
        €138 €102
      • KEF 18:35
        20h 50m
        1 stop
        LHR 16:25
        Reykjavik - London | Sat, Oct 3 | Scandinavian Airlines
        €106
        23% off
        €138 €106
      • KEF 11:55
        28h 30m
        1 stop
        LHR 16:25
        Reykjavik - London | Mon, Nov 16 | Scandinavian Airlines
        €111
        20% off
        €138 €111
      • KEF 11:55
        28h 30m
        1 stop
        LHR 16:25
        Reykjavik - London | Tue, Nov 17 | Scandinavian Airlines
        €111
        20% off
        €138 €111
      • KEF 18:05
        27h 35m
        1 stop
        LHR 21:40
        Reykjavik - London | Wed, Nov 11 | Scandinavian Airlines
        €116
        16% off
        €138 €116
      • KEF 18:05
        27h 35m
        1 stop
        LHR 21:40
        Reykjavik - London | Sun, Nov 8 | Scandinavian Airlines
        €117
        15% off
        €138 €117
      • KEF 18:05
        27h 35m
        1 stop
        LHR 21:40
        Reykjavik - London | Tue, Nov 10 | Scandinavian Airlines
        €119
        14% off
        €138 €119
      • KEF 18:05
        27h 35m
        1 stop
        LHR 21:40
        Reykjavik - London | Wed, Nov 4 | Scandinavian Airlines
        €120
        13% off
        €138 €120
      • KEF 18:05
        27h 35m
        1 stop
        LHR 21:40
        Reykjavik - London | Sat, Nov 14 | Scandinavian Airlines
        €120
        13% off
        €138 €120
      • REK 13:00
        17h 25m
        1 stop
        LON 14:00
        Reykjavik - London | Sun, Sep 20 | 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 data.

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

What is the cheapest month to fly from Keflavík International Airport to Heathrow Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from Keflavík International Airport to Heathrow Airport for each month in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from Keflavík International Airport to Heathrow Airport are usually in February, with an average price of €222. It is best to avoid August, when the average price can reach €376.

€376
€299
€222
€145
    Cheapest
  • €320
    Sep
  • €337
    Oct
  • €243
    Nov
  • €235
    Dec
  • €265
    Jan
  • €222
    Feb
  • €238
    Mar
  • €240
    Apr
  • €237
    May
  • €285
    Jun
  • €325
    Jul
  • €376
    Aug

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 departure day from Keflavík International Airport to Heathrow Airport is Wednesday, with average prices usually lower than other days. Avoid departing on Monday as prices are typically highest on that day.

€310
€279
€247
€216
    Cheapest
  • €310
    Mon
  • €253
    Tue
  • €247
    Wed
  • €271
    Thu
  • €268
    Fri
  • €279
    Sat
  • €290
    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 €102) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Scandinavian Airlines
From €102
British Airways
From €110
KLM Royal Dutch Airlines
From €131
Icelandair
From €134
Transavia France
From €170
Lufthansa
From €172
SWISS
From €181
Wizz Air
From €227
Finnair
From €246
Austrian Airlines
From €331

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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. BA801

    Keflavík International Airport

    10:20

    KEF

    3h 10m

    14:30

    LHR

    S M T W T F S
    Search

  2. FI454

    Keflavík International Airport

    16:10

    KEF

    3h 10m

    20:20

    LHR

    S M T W T F S
    Search

  3. SK596

    Keflavík International Airport

    10:30

    KEF

    3h 5m

    Direct

    15:35

    CPH

    S M T W T F S
    Search

  4. SK1517

    Copenhagen Airport

    16:40

    CPH

    2h

    Direct

    17:40

    LHR

    S M T W T - S

  5. SK596

    Keflavík International Airport

    10:30

    KEF

    3h 5m

    Direct

    15:35

    CPH

    S M T W T F S
    Search

  6. SK1501

    Copenhagen Airport

    20:40

    CPH

    2h

    Direct

    21:40

    LHR

    S M T W T - S

  7. SK2596

    Keflavík International Airport

    17:05

    KEF

    3h 5m

    Direct

    22:10

    CPH

    S M T W T F S
    Search

  8. SK501

    Copenhagen Airport

    08:10

    CPH

    2h 10m

    Direct

    09:20

    LHR

    S M T W T F S

  9. SK4788

    Keflavík International Airport

    19:25

    KEF

    2h 40m

    Direct

    00:05

    OSL

    S M T W T F S
    Search

  10. SK809

    Oslo Airport

    15:05

    OSL

    2h 20m

    Direct

    16:25

    LHR

    S M - W T F S

  11. SK596

    Keflavík International Airport

    10:30

    KEF

    3h 5m

    Direct

    15:35

    CPH

    S M T W T F S
    Search

  12. SK501

    Copenhagen Airport

    08:10

    CPH

    2h 10m

    Direct

    09:20

    LHR

    S M T W T F S

  13. SK2596

    Keflavík International Airport

    17:05

    KEF

    3h 5m

    Direct

    22:10

    CPH

    S M T W T F S
    Search

  14. SK505

    Copenhagen Airport

    15:00

    CPH

    2h

    Direct

    16:00

    LHR

    S M T W T F S

  15. SK4788

    Keflavík International Airport

    19:25

    KEF

    2h 40m

    Direct

    00:05

    OSL

    S M T W T F S
    Search

  16. SK803

    Oslo Airport

    08:00

    OSL

    2h 35m

    Direct

    09:35

    LHR

    S M T W T F S

  17. SK2596

    Keflavík International Airport

    17:05

    KEF

    3h 5m

    Direct

    22:10

    CPH

    S M T W T F S
    Search

  18. SK1501

    Copenhagen Airport

    20:40

    CPH

    2h

    Direct

    21:40

    LHR

    S M T W T - S
Find more flights and airlines

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 distance1,899.12 km
Cheapest one-way ticket price€102
Cheapest return ticket price€147

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 41 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 13 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 €550 in September, the most expensive month to book this route.
    • The distance from London Gatwick Airport to downtown is about 39 km. It takes about 50 minutes by taxi.
    • The distance from Heathrow Airport to downtown is about 23 km. It takes about 40 minutes by taxi.
    • The distance from London Luton Airport to downtown is about 44 km. It takes about 1 hour by taxi.
  • British Airways is a very popular airline operating an average of 2887 flights per month.
  • Yes. Air India, Emirates, Icelandair, American Airlines and British Airways operate direct flights from Keflavík International Airport to Heathrow Airport, with an average flight time of 3 hours 41 minutes, and around 20 weekly flights. Actual flight frequency may vary by season.