$114+ Cheap flights from London (LON) to Keflavik Intl (KEF)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
LON — KEF
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from London to Keflavik Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from London to Reykjavik Keflavik Intl are usually found in November or January, booked 75 days in advance, depart on a Friday or Saturday and return on a Sunday
Cheap flight deals from London to Keflavik Intl
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Cheapest flights from London to Keflavik IntlExplore the most affordable flight options available from London to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from London to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This CheapOair deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/238:20 am -
Nonstop3h 30m
Sun 1/38:15 pm -
Nonstop3h 10m
Deal found 9/9![easyJet logo]()
$163
This easyJet deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:55 pm -
Nonstop3h 05m
Wed 11/412:00 pm -
Nonstop3h 00m
Deal found 9/10![easyJet logo]()
$164
This easyJet deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:20 am -
Nonstop3h 30m
Tue 11/2412:20 pm -
Nonstop3h 10m
Deal found 9/10![easyJet logo]()
$164
This Connections by easyJet deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:15 am -
1 stop10h 20m
Fri 12/1110:00 am -
Nonstop3h 00m
Deal found 9/9![easyJet logo]()
$165
This easyJet deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/212:25 pm -
Nonstop3h 25m
Sun 11/228:15 pm -
Nonstop3h 10m
Deal found 9/10![easyJet logo]()
$165
This CheapOair deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:00 am -
Nonstop3h 15m
Sun 11/810:05 am -
Nonstop3h 00m
Deal found 9/9![easyJet logo]()
$166
This Connections by easyJet deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:25 pm -
Nonstop3h 25m
Thu 11/512:30 pm -
1 stop9h 30m
Deal found 9/9![easyJet logo]()
$166
This easyJet deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/308:00 am -
Nonstop3h 15m
Fri 1/110:00 am -
Nonstop3h 00m
Deal found 9/9![easyJet logo]()
$167
This CheapOair deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:40 am -
Nonstop3h 30m
Sun 11/88:15 pm -
Nonstop3h 10m
Deal found 9/10![easyJet logo]()
$167
This Connections by easyJet deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:55 pm -
Nonstop3h 05m
Tue 11/38:25 pm -
1 stop11h 50m
Deal found 9/10![easyJet logo]()
$168
This Connections by easyJet deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/98:20 am -
Nonstop3h 30m
Sun 12/1311:05 am -
1 stop11h 10m
Deal found 9/9![easyJet logo]()
$168
This Connections by easyJet deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/13:45 pm -
Nonstop3h 25m
Wed 11/1111:50 am -
1 stop10h 05m
Deal found 9/9![easyJet logo]()
$169
Best flights from London to Keflavik IntlDiscover carefully curated flight deals from London to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from London to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This easyJet deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/238:20 am -
Nonstop3h 30m
Sun 1/38:15 pm -
Nonstop3h 10m
Deal found 9/8![easyJet logo]()
$168
This British Airways deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:35 am -
Nonstop3h 15m
Tue 11/1011:55 am -
Nonstop3h 10m
Deal found 9/6![British Airways logo]()
$293
This Scandinavian Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:30 pm -
1 stop15h 20m
Fri 11/136:05 pm -
1 stop15h 15m
Deal found 9/7![Scandinavian Airlines logo]()
$327
This Connections by easyJet deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/13:35 pm -
Nonstop3h 10m
Tue 2/98:30 am -
1 stop12h 30m
Deal found 9/10![easyJet logo]()
$170
This Justfly.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/278:35 pm -
Nonstop3h 15m
Thu 12/317:35 am -
Nonstop3h 15m
Deal found 9/5![Icelandair logo]()
$353
This easyJet deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:40 am -
Nonstop3h 30m
Sun 11/88:15 pm -
Nonstop3h 10m
Deal found 9/9![easyJet logo]()
$170
This Connections by easyJet deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:50 pm -
1 stop15h 25m
Mon 11/212:05 pm -
Nonstop3h 00m
Deal found 9/10![easyJet logo]()
$174
This TravelFusion deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelFusion is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/510:10 am -
Nonstop3h 25m
Fri 11/136:50 pm -
Nonstop3h 10m
Deal found 9/9![easyJet logo]()
$180
This Icelandair deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:55 am -
Nonstop3h 20m
Mon 11/167:45 am -
1 stop8h 00m
Deal found 9/9![Multiple Airlines logo]()
$525
This easyJet deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/297:00 am -
Nonstop3h 15m
Thu 1/710:00 am -
Nonstop3h 00m
Deal found 9/8![easyJet logo]()
$204
This British Airways deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/207:35 am -
Nonstop3h 15m
Fri 11/206:10 pm -
Nonstop3h 00m
Deal found 9/9![British Airways logo]()
$299
This British Airways deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/81:45 pm -
Nonstop3h 20m
Sun 1/1011:50 am -
Nonstop3h 10m
Deal found 9/7![British Airways logo]()
$299
This Connections by easyJet deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/236:15 pm -
1 stop14h 15m
Tue 12/298:25 pm -
1 stop11h 50m
Deal found 9/9![easyJet logo]()
$205
This Scandinavian Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:20 am -
1 stop7h 00m
Sun 11/86:05 pm -
1 stop15h 15m
Deal found 9/6![Scandinavian Airlines logo]()
$352
This easyJet deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/62:25 pm -
Nonstop3h 25m
Sun 11/88:15 pm -
Nonstop3h 10m
Deal found 9/8![easyJet logo]()
$205
This Scandinavian Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:40 am -
1 stop10h 40m
Mon 11/96:05 pm -
1 stop15h 15m
Deal found 9/9![Scandinavian Airlines logo]()
$358
This easyJet deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/231:00 pm -
Nonstop3h 15m
Sun 1/310:05 am -
Nonstop3h 00m
Deal found 9/6![easyJet logo]()
$208
This easyJet deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/62:25 pm -
Nonstop3h 25m
Mon 11/911:55 am -
Nonstop3h 15m
Deal found 9/6![easyJet logo]()
$208
This Scandinavian Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/810:20 am -
1 stop7h 00m
Sun 1/1012:25 pm -
1 stop6h 25m
Deal found 9/8![Scandinavian Airlines logo]()
$373
This easyJet deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/108:00 am -
Nonstop3h 15m
Sun 2/1410:05 am -
Nonstop3h 00m
Deal found 9/6![easyJet logo]()
$210
This easyJet deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/267:00 am -
Nonstop3h 15m
Thu 12/318:10 pm -
Nonstop3h 00m
Deal found 9/9![easyJet logo]()
$212
This CheapOair deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/276:00 am -
Nonstop3h 15m
Thu 12/318:10 pm -
Nonstop3h 00m
Deal found 9/5![easyJet logo]()
$213
This Connections by easyJet deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:55 pm -
1 stop16h 20m
Mon 11/211:55 am -
Nonstop3h 15m
Deal found 9/7![easyJet logo]()
$213
This easyJet deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/108:00 am -
Nonstop3h 15m
Sat 2/1310:55 am -
Nonstop3h 00m
Deal found 9/10![easyJet logo]()
$218
This Connections by easyJet deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/269:15 pm -
1 stop13h 55m
Mon 3/111:55 am -
Nonstop3h 15m
Deal found 9/6![easyJet logo]()
$228
This Connections by easyJet deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/235:40 pm -
1 stop14h 50m
Tue 12/298:25 pm -
1 stop14h 55m
Deal found 9/9![easyJet logo]()
$231
This Connections by easyJet deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:35 pm -
1 stop13h 15m
Mon 10/196:40 pm -
Nonstop3h 15m
Deal found 9/9![easyJet logo]()
$280
Last-minute flights from London to Keflavik IntlDiscover last-minute flight deals from London to Keflavik Intl. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from London to Keflavik Intl. Data last updated September 10, 2026 and is based on user searches.
This easyJet deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:15 am -
Nonstop3h 05m
Wed 11/2512:05 pm -
Nonstop3h 00m
Deal found 9/9![easyJet logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/129:20 pm -
1 stop22h 20m
Mon 10/198:35 am -
1 stop21h 55m
Deal found 9/9![Wizz Air logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:30 am -
1 stop10h 55m
Mon 10/267:35 pm -
Nonstop2h 55m
Deal found 9/9![Multiple Airlines logo]()
$179
This easyJet deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:05 am -
Nonstop3h 10m
Mon 11/212:05 pm -
Nonstop3h 00m
Deal found 9/10![easyJet logo]()
$193
This easyJet deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:55 pm -
Nonstop3h 05m
Wed 11/412:00 pm -
Nonstop3h 00m
Deal found 9/10![easyJet logo]()
$164
This Connections by easyJet deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:55 pm -
Nonstop3h 05m
Tue 11/38:25 pm -
1 stop11h 50m
Deal found 9/10![easyJet logo]()
$168
This easyJet deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/302:25 pm -
Nonstop3h 25m
Mon 11/211:55 am -
Nonstop3h 15m
Deal found 9/10![easyJet logo]()
$181
This easyJet deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/302:25 pm -
Nonstop3h 25m
Tue 11/312:20 pm -
Nonstop3h 10m
Deal found 9/10![easyJet logo]()
$188
This Connections by easyJet deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:25 pm -
Nonstop3h 25m
Thu 11/512:30 pm -
1 stop9h 30m
Deal found 9/9![easyJet logo]()
$166
This Connections by easyJet deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:50 pm -
1 stop15h 25m
Mon 11/212:05 pm -
Nonstop3h 00m
Deal found 9/10![easyJet logo]()
$174
This Mytrip deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:35 am -
2 stops12h 45m
Sat 11/710:55 am -
Nonstop3h 00m
Deal found 9/10![Multiple Airlines logo]()
$184
This Mytrip deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:05 am -
2 stops13h 15m
Mon 11/212:05 pm -
Nonstop3h 00m
Deal found 9/10![Multiple Airlines logo]()
$191
One-way flights from London to Keflavik IntlSearch for one-way flight options from London to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from London to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Trip.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:35 am -
1 stop25h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![easyJet logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2411:10 am -
2 stops22h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:35 pm -
Nonstop3h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Icelandair logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/125:55 am -
2 stops14h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$117
This Icelandair deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:35 pm -
Nonstop3h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Icelandair logo]()
$117
This easyJet deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/17:40 am -
Nonstop3h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![easyJet logo]()
$117
This Expedia deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/17:35 am -
Nonstop3h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![British Airways logo]()
$118
This Connections by easyJet deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:15 pm -
1 stop14h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![easyJet logo]()
$118
This easyJet deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:15 am -
Nonstop3h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![easyJet logo]()
$119
This deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:25 pm -
Nonstop3h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Icelandair logo]()
$119
This Mytrip deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:55 pm -
2 stops15h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$119
This Mytrip deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:00 pm -
2 stops17h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$120
Find flight deals from London to Keflavik Intl
Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Keflavik Intl (KEF). 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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $163 (CheapOair) |
One-way from | $114 (Trip.com) |
Popular in | July |
Cheapest in | November |
Average price | $316 |
Good round-trip deal | $170 or less |
Good one-way deal | $134 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from London to Keflavik Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 10, 2026.
Use the filters below to find and compare flights from London to Reykjavik Keflavik Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LondonReykjavik
LTN London Luton - KEF Reykjavik Keflavik Intl
LTNKEF
London Luton
Sat 12/12
5:55 am-8:20 pm
2 stops14h 25m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$117
LondonReykjavik
LHR London Heathrow - KEF Reykjavik Keflavik Intl
LHRKEF
London Heathrow
Thu 11/5
8:35 pm-11:50 pm
Nonstop3h 15m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$117
LondonReykjavik
LGW London Gatwick - KEF Reykjavik Keflavik Intl
LGWKEF
London Gatwick
Mon 2/1
7:40 am-11:10 am
Nonstop3h 30m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$117
Quickest round-trip
LondonReykjavik
LTN London Luton - KEF Reykjavik Keflavik Intl
LTNKEF
London Luton
Wed 9/16
6:15 am-8:20 am
Nonstop3h 05m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$119
LondonReykjavik
LTN London Luton - KEF Reykjavik Keflavik Intl
LTNKEF
London Luton
Tue 11/24
4:00 pm-11:00 am
2 stops19h 00m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$121
LondonReykjavik
LTN London Luton - KEF Reykjavik Keflavik Intl
LTNKEF
London Luton
Mon 12/28
3:35 pm-6:45 pm
Nonstop3h 10m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$122
LondonReykjavik
LTN London Luton - KEF Reykjavik Keflavik Intl
LTNKEF
London Luton
Sat 12/19
6:50 pm-10:15 am
1 stop15h 25m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$126
LondonReykjavik
LHR London Heathrow - KEF Reykjavik Keflavik Intl
LHRKEF
London Heathrow
Sat 10/31
11:45 am-3:05 pm
Nonstop3h 20m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$127
LondonReykjavik
LTN London Luton - KEF Reykjavik Keflavik Intl
LTNKEF
London Luton
Thu 10/29
6:05 am-9:15 am
Nonstop3h 10m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$128
LondonReykjavik
LHR London Heathrow - KEF Reykjavik Keflavik Intl
LHRKEF
London Heathrow
Tue 3/9
7:35 am-10:50 am
Nonstop3h 15m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
Showing 1-10 of 51 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on London-Reykjavik Keflavik Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on London-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from London to Keflavik Intl
Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from London with our price prediction graph.
LON-KEF
LTN-KEF
LGW-KEF
LHR-KEF
Estimated round-trip 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 to Reykjavik Keflavik Intl Airport
LON-KEF
LTN-KEF
LGW-KEF
LHR-KEF
What is the cheapest month to book a flight from London to Reykjavik Keflavik Intl Airport?
Currently, January is the cheapest month in which you can book a flight from London to Reykjavik Keflavik Intl Airport (average of $155). Flying from London to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $468). 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 LON to KEF?
Find hourly flight availability from London to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 10, 2026.
It’s optimal to fly from London to Reykjavik Keflavik Intl Airport in the afternoon. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight in the evening.
How much does it cost to fly round-trip from London to Reykjavik Keflavik Intl Airport?
Airfare is below average for this route at the moment.
London to Reykjavik Keflavik Intl Airport flights typically cost between $291 and $392 in December.The cheapest round-trip price found within the last 5 days was $163 on easyJet (Dec 23-Jan 3).
How often are flights from London to Reykjavik delayed?
About 12% of weekly flights between London and Reykjavik have experienced delays in the past year, with the average delay time being 112 minutes.
What is the most punctual flight time for London to Reykjavik flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on London to Reykjavik flights?
Over the last year, British Airways have had the lowest number of delays on this route, with just 10% of flights being delayed.
How far ahead should I book a flight from London to Reykjavik Keflavik Intl Airport?
Booking 71 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Reykjavik Keflavik Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest day to fly from London to Reykjavik Keflavik Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from London to Keflavik Intl. Price data was last updated on September 5, 2026.
Travelers seeking maximum savings on their London to Reykjavik Keflavik Intl Airport flight should consider departing on Friday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for London to Reykjavik Keflavik Intl Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your London to Reykjavik Keflavik Intl Airport trip
Our travel experts
Reviews of airlines servicing Keflavik Intl
Get insights into the airlines that provide service to Keflavik Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Keflavik Intl. Reviews last updated September 10, 2026.
Peruse reviews from past customers who have flown with Icelandair,easyJet, andBritish Airways from London to Reykjavik Keflavik Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.1
Overall
6.9
Comfort
6.9
Crew
8.0
Entertainment
6.9
Boarding
7.2
Reviews
1 / 20
4.0
OkayChin Keong,Aug 2026
AMS - KEF
Food
6.1
Overall
6.9
Comfort
6.9
Crew
8.0
Entertainment
6.9
Boarding
7.2
Reviews
1 / 20
4.0
OkayChin Keong,Aug 2026
AMS - KEF
Food
6.1
Overall
6.9
Comfort
6.9
Crew
8.0
Entertainment
6.9
Boarding
7.2
Reviews
1 / 20
4.0
OkayChin Keong,Aug 2026
AMS - KEF
Food
6.1
Overall
6.9
Comfort
6.9
Crew
8.0
Entertainment
6.9
Boarding
7.2
Reviews
1 / 20
4.0
OkayChin Keong,Aug 2026
AMS - KEF
Related info for your journey
Find useful and relevant information for your journey from London to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Reykjavik Keflavik Intl Airport?
Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locationsKeflavik
Hveragerdi
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Top 2 airlines flying from London to Keflavik Intl
Discover the top 2 airlines that operate flights from London to Keflavik Intl. 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 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$169 | Average$477 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$202 | Average$449 | FlexibilityNo cancel fee | On-time76% |