Cheap flights from London Heathrow Airport to Iceland from £57
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — KEF
5 Dec — 12 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheap flight deals from Heathrow to Iceland
Enter your travel dates to find the best prices.
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Cheapest flights from Heathrow to Iceland
Explore the most affordable flight options available from Heathrow to Iceland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2026.
Fri 4/1220:35 -
Nonstop3h 15m
Tue 8/1216:20 -
Nonstop3h 10m
Deal found 4/11£128
Sat 12/1220:35 -
Nonstop3h 15m
Mon 14/1216:20 -
Nonstop3h 10m
Deal found 4/11£128
Sat 5/1220:35 -
Nonstop3h 15m
Fri 11/1216:20 -
Nonstop3h 10m
Deal found 3/11£130
Tue 1/1220:35 -
Nonstop3h 15m
Tue 8/1216:20 -
Nonstop3h 10m
Deal found 3/11£131
Fri 4/1220:35 -
Nonstop3h 15m
Sun 6/1207:35 -
Nonstop3h 15m
Deal found 3/11£131
Sat 21/1120:35 -
Nonstop3h 15m
Fri 27/1116:20 -
Nonstop3h 10m
Deal found 4/11£132
Fri 20/1120:35 -
Nonstop3h 15m
Mon 23/1116:20 -
Nonstop3h 10m
Deal found 4/11£133
Sat 21/1107:35 -
Nonstop3h 15m
Sat 28/1116:05 -
Nonstop3h 00m
Deal found 4/11£134
Thu 3/1220:35 -
Nonstop3h 15m
Mon 7/1216:20 -
Nonstop3h 10m
Deal found 4/11£135
Mon 9/1120:35 -
Nonstop3h 15m
Fri 13/1116:20 -
Nonstop3h 10m
Deal found 3/11£136
Fri 11/1220:35 -
Nonstop3h 15m
Thu 17/1216:20 -
Nonstop3h 10m
Deal found 2/11£137
Sat 5/1220:35 -
1 stop12h 15m
Sat 12/1219:30 -
1 stop24h 00m
Deal found 3/11£268
Best flights from Heathrow to Iceland
Discover carefully curated flight deals from Heathrow to Iceland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 November 2026.
Sun 31/107:30 -
Nonstop3h 15m
Sun 7/211:50 -
Nonstop3h 10m
Deal found 2/11£180
Sat 5/1220:35 -
1 stop12h 15m
Sat 12/1219:30 -
1 stop24h 00m
Deal found 3/11£268
Sun 2/506:00 -
1 stop18h 20m
Sat 8/500:20 -
1 stop7h 20m
Deal found 4/11£295
Mon 15/217:50 -
2 stops17h 00m
Sat 20/215:15 -
1 stop16h 25m
Deal found 31/10£319
Sat 21/1107:35 -
Nonstop3h 15m
Sun 22/1117:50 -
Nonstop3h 00m
Deal found 31/10£210
Sat 23/114:05 -
2 stops21h 35m
Mon 25/111:55 -
2 stops8h 55m
Deal found 31/10£321
Wed 10/220:35 -
1 stop15h 15m
Sun 14/209:20 -
1 stop25h 30m
Deal found 1/11£351
Thu 17/1220:35 -
Nonstop3h 15m
Thu 24/1207:40 -
1 stop6h 10m
Deal found 4/11£384
Tue 1/1217:50 -
2 stops17h 00m
Tue 8/1211:35 -
2 stops9h 15m
Deal found 3/11£364
Sat 5/1220:35 -
1 stop12h 15m
Sat 12/1219:30 -
2 stops14h 05m
Deal found 31/10£405
Fri 12/206:30 -
2 stops10h 50m
Mon 15/211:55 -
2 stops8h 55m
Deal found 2/11£370
Sat 12/1217:50 -
2 stops17h 50m
Thu 17/1211:55 -
2 stops8h 55m
Deal found 3/11£373
Sat 13/314:05 -
2 stops21h 35m
Tue 23/311:55 -
2 stops8h 55m
Deal found 31/10£374
Wed 3/222:05 -
2 stops34h 45m
Sun 7/209:20 -
1 stop10h 10m
Deal found 1/11£474
Tue 29/1206:30 -
2 stops10h 50m
Sun 10/112:25 -
2 stops8h 25m
Deal found 1/11£418
Wed 10/210:35 -
2 stops25h 15m
Sun 14/209:20 -
1 stop10h 10m
Deal found 1/11£526
Thu 3/1217:05 -
2 stops18h 05m
Mon 7/1211:35 -
2 stops9h 15m
Deal found 4/11£431
Direct flights from Heathrow to Iceland
Explore direct flight options from Heathrow to Iceland based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 November 2026.
Mon 11/120:35 -
Nonstop3h 15m
Thu 21/116:20 -
Nonstop3h 10m
Deal found 4/11£100
Thu 14/120:35 -
Nonstop3h 15m
Thu 21/107:35 -
Nonstop3h 15m
Deal found 4/11£102
Fri 5/320:35 -
Nonstop3h 15m
Mon 8/307:35 -
Nonstop3h 15m
Deal found 4/11£126
Fri 4/1220:35 -
Nonstop3h 15m
Tue 8/1216:20 -
Nonstop3h 10m
Deal found 4/11£128
Sat 12/1220:35 -
Nonstop3h 15m
Mon 14/1216:20 -
Nonstop3h 10m
Deal found 4/11£128
Wed 27/120:35 -
Nonstop3h 15m
Sat 30/107:35 -
Nonstop3h 15m
Deal found 2/11£129
Sat 5/1220:35 -
Nonstop3h 15m
Fri 11/1216:20 -
Nonstop3h 10m
Deal found 3/11£130
Tue 1/1220:35 -
Nonstop3h 15m
Tue 8/1216:20 -
Nonstop3h 10m
Deal found 3/11£131
Fri 4/1220:35 -
Nonstop3h 15m
Sun 6/1207:35 -
Nonstop3h 15m
Deal found 3/11£131
Sat 21/1120:35 -
Nonstop3h 15m
Fri 27/1116:20 -
Nonstop3h 10m
Deal found 4/11£132
Fri 20/1120:35 -
Nonstop3h 15m
Mon 23/1116:20 -
Nonstop3h 10m
Deal found 4/11£133
Last-minute flights from Heathrow to Iceland
Discover last-minute flight deals from Heathrow to Iceland. Data last updated 5 November 2026 and is based on user searches.
Mon 9/1120:35 -
Nonstop3h 15m
Fri 13/1116:20 -
Nonstop3h 10m
Deal found 3/11£136
Fri 20/1120:35 -
Nonstop3h 15m
Mon 23/1116:20 -
Nonstop3h 10m
Deal found 4/11£133
Sat 21/1120:35 -
Nonstop3h 15m
Fri 27/1116:20 -
Nonstop3h 10m
Deal found 4/11£132
Sat 21/1107:35 -
Nonstop3h 15m
Sat 28/1116:05 -
Nonstop3h 00m
Deal found 4/11£134
Tue 1/1220:35 -
Nonstop3h 15m
Tue 8/1216:20 -
Nonstop3h 10m
Deal found 3/11£131
Thu 3/1220:35 -
Nonstop3h 15m
Mon 7/1216:20 -
Nonstop3h 10m
Deal found 4/11£135
Fri 4/1220:35 -
Nonstop3h 15m
Tue 8/1216:20 -
Nonstop3h 10m
Deal found 4/11£128
Fri 4/1220:35 -
Nonstop3h 15m
Sun 6/1207:35 -
Nonstop3h 15m
Deal found 3/11£131
Sat 5/1220:35 -
Nonstop3h 15m
Fri 11/1216:20 -
Nonstop3h 10m
Deal found 3/11£130
Sat 5/1220:35 -
1 stop12h 15m
Sat 12/1219:30 -
1 stop24h 00m
Deal found 3/11£268
Fri 11/1220:35 -
Nonstop3h 15m
Thu 17/1216:20 -
Nonstop3h 10m
Deal found 2/11£137
Sat 12/1220:35 -
Nonstop3h 15m
Mon 14/1216:20 -
Nonstop3h 10m
Deal found 4/11£128
One-way flights from Heathrow to Iceland
Search for one-way flight options from Heathrow to Iceland. Find affordable one-way fares based on user searches. Data last updated 5 November 2026.
Fri 27/1120:35 -
Nonstop3h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/11£57
Thu 14/120:35 -
Nonstop3h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/11£60
Sat 21/1120:35 -
Nonstop3h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 3/11£74
Mon 21/1220:35 -
Nonstop3h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 3/11£75
Wed 11/1120:35 -
Nonstop3h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/11£76
Tue 24/1120:35 -
Nonstop3h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 2/11£76
Wed 9/1220:35 -
Nonstop3h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 3/11£77
Wed 23/1220:35 -
Nonstop3h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 3/11£78
Fri 20/1120:35 -
Nonstop3h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 3/11£79
Sat 14/1120:35 -
Nonstop3h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/11£79
Thu 3/1220:35 -
Nonstop3h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/10£81
Fri 4/1206:40 -
2 stops26h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 1/11£334
Find flight deals from Heathrow to Iceland
Keep the following information in mind while searching for Heathrow to Iceland flight deals. Data was last updated 5 November 2026.
Customise your flight search to find flights from Heathrow to Iceland 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 5 November 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Iceland that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
Fastest return journey
LondonReykjavik
LHR London Heathrow - KEF Reykjavik Keflavik Intl
LHRKEF
London Heathrow
Thu 19/11
20:35-23:50
Nonstop3h 15m
Reykjavik Keflavik Intl
Wed 31/12
00:00-01:00
Nonstop0h 00m
£86
LondonReykjavik
LHR London Heathrow - KEF Reykjavik Keflavik Intl
LHRKEF
London Heathrow
Thu 17/12
07:25-10:40
Nonstop3h 15m
Reykjavik Keflavik Intl
Wed 31/12
00:00-01:00
Nonstop0h 00m
£94
LondonReykjavik
LHR London Heathrow - KEF Reykjavik Keflavik Intl
LHRKEF
London Heathrow
Sat 5/12
20:35-23:50
Nonstop3h 15m
Reykjavik Keflavik Intl
Wed 31/12
00:00-01:00
Nonstop0h 00m
£95
LondonReykjavik
LHR London Heathrow - KEF Reykjavik Keflavik Intl
LHRKEF
London Heathrow
Fri 1/1
13:45-17:05
Nonstop3h 20m
Reykjavik Keflavik Intl
Wed 31/12
00:00-01:00
Nonstop0h 00m
£97
LondonReykjavik
LHR London Heathrow - KEF Reykjavik Keflavik Intl
LHRKEF
London Heathrow
Fri 11/12
15:15-17:15
1 stop26h 00m
Reykjavik Keflavik Intl
Wed 31/12
00:00-01:00
Nonstop0h 00m
£113
LondonReykjavik
LHR London Heathrow - KEF Reykjavik Keflavik Intl
LHRKEF
London Heathrow
Wed 13/1
15:35-11:10
1 stop19h 35m
Reykjavik Keflavik Intl
Wed 31/12
00:00-01:00
Nonstop0h 00m
£116
LondonReykjavik
LHR London Heathrow - KEF Reykjavik Keflavik Intl
LHRKEF
London Heathrow
Sun 31/1
15:15-17:15
1 stop26h 00m
Reykjavik Keflavik Intl
Wed 31/12
00:00-01:00
Nonstop0h 00m
£122
LondonReykjavik
LHR London Heathrow - KEF Reykjavik Keflavik Intl
LHRKEF
London Heathrow
Sat 14/11
15:35-11:40
1 stop20h 05m
Reykjavik Keflavik Intl
Wed 31/12
00:00-01:00
Nonstop0h 00m
£140
LondonReykjavik
LHR London Heathrow - KEF Reykjavik Keflavik Intl
LHRKEF
London Heathrow
Tue 22/12
07:35-10:50
Nonstop3h 15m
Reykjavik Keflavik Intl
Wed 31/12
00:00-01:00
Nonstop0h 00m
£142
LondonReykjavik
LHR London Heathrow - KEF Reykjavik Keflavik Intl
LHRKEF
London Heathrow
Sun 31/1
07:30-10:45
Nonstop3h 15m
Reykjavik Keflavik Intl
Sun 7/2
11:50-15:00
Nonstop3h 10m
£180
Flights are sorted by cheapest return flights first.
Deals found on 3/11
Showing 1-10 of 29 resultsSorted by cheapest first
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Best time to book a flight from Heathrow to Iceland
Have a flexible travel schedule? Discover the best time to fly to Iceland from Heathrow with our price prediction graph.
LHR-KEF
LHR-AEY
Estimated return 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 Heathrow Airport to Iceland
LHR-IS0
LHR-KEF
LHR-AEY
What is the cheapest month to book a flight from London Heathrow Airport to Iceland?
Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Iceland (average of £171). Flying from London Heathrow Airport to Iceland in August is currently the most expensive (average of £361). 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 LHR to IS?
Find hourly flight availability from Heathrow to Iceland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 November 2026.
When flying from London Heathrow Airport to Iceland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from London Heathrow Airport to Iceland
Explore weekly flight availability from Heathrow to Iceland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 5 November 2026.
The most flights from LHR to IS0 are scheduled on a Monday (12 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (4 on average).
How often are flights from London to Iceland delayed?
About 10% of weekly flights between London and Iceland have experienced delays in the past year, with the average delay time being 108 minutes.
What is the most punctual flight time for London to Iceland 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 Iceland flights?
Over the past 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 Heathrow Airport to Iceland?
The price you pay for your flight from London Heathrow Airport to Iceland may vary depending on when you book. For the best chance of a lower fare, look to book 75 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Iceland
Get insights into the airlines that provide service to Iceland. 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 Iceland. Reviews last updated 5 November 2026.
Check out reviews from past customers who have flown with Scandinavian Airlines,Icelandair, andeasyJet from London Heathrow Airport to Iceland 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 & entertainment not expected and not provided on such short haul flight. You don't provide a Not Applicable option.
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Iceland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
How long is the flight from London Heathrow Airport to Iceland?
For as low as £180, British Airways can have you in Iceland from London Heathrow Airport in 3h 15m. Airlines will cover a distance of 1177 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the most reliable airlines from London Heathrow Airport to Iceland?
The top 3 most reliable airlines when flying from London Heathrow Airport to Iceland are TAP AIR PORTUGAL (90%), Emirates (89%) and Air India (89%).
What are the cheapest flights from London Heathrow Airport to Iceland?
Looking for the cheapest flight from London Heathrow Airport to Iceland? While on average our users pay £738, our data indicates the cheapest price to be £116. The most popular route (London Heathrow - Reykjavik Keflavik Intl), is priced around £129.
Can I find deals for business class flights from Heathrow to Iceland?
Yes. Cheapflights offers flight deals from Heathrow to Iceland 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 London Heathrow Airport to Iceland?
Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Iceland (average of £171). Flying from London Heathrow Airport to Iceland in August is currently the most expensive (average of £361). 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.
Discover the top 3 airlines that operate flights from Heathrow to Iceland. 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 5 November 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Heathrow to Iceland?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Iceland from Heathrow today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Iceland?
Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Iceland for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Heathrow to Iceland with no change fees?
Certainly. Search results for flights to Iceland from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Heathrow to Iceland become cheaper?
Yes! Start tracking prices for Heathrow to Iceland flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.
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