$84+ Cheap flights from Keflavik Intl (KEF) to Lisbon (LIS)
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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — LIS
Dec 5 — Dec 121
Round-trip
1 adult, Economy
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Find cheap flights from Keflavik Intl to Lisbon 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.Cheap flight deals from Keflavik Intl to Lisbon
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One-way
Cheapest flights from Keflavik Intl to LisbonExplore the most affordable flight options available from Keflavik Intl to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2026.
Explore the most affordable flight options available from Keflavik Intl to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2026.
This Connections by easyJet deal was found by Cheapflights users on 11/5. 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.
Sat 12/59:10 pm -
1 stop12h 30m
Sat 12/124:15 pm -
1 stop18h 25m
Deal found 11/5![easyJet logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
Thu 12/33:10 pm -
1 stop8h 20m
Thu 12/106:05 am -
1 stop8h 15m
Deal found 11/1![Lufthansa logo]()
$203
This Booking.com deal was found by Cheapflights users on 11/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/510:55 am -
2 stops13h 00m
Sat 12/129:45 pm -
1 stop11h 50m
Deal found 11/5![Multiple Airlines logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 10/31. 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.
Thu 12/39:55 pm -
2 stops46h 10m
Thu 12/106:20 pm -
1 stop15h 30m
Deal found 10/31![Multiple Airlines logo]()
$240
This Connections by easyJet deal was found by Cheapflights users on 10/31. 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 11/298:15 pm -
1 stop16h 35m
Tue 12/87:20 pm -
1 stop21h 30m
Deal found 10/31![easyJet logo]()
$259
Best flights from Keflavik Intl to LisbonDiscover carefully curated flight deals from Keflavik Intl to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 5, 2026.
Discover carefully curated flight deals from Keflavik Intl to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 5, 2026.
This Connections by easyJet deal was found by Cheapflights users on 11/5. 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.
Sat 12/59:10 pm -
1 stop12h 30m
Sat 12/124:15 pm -
1 stop18h 25m
Deal found 11/5![easyJet logo]()
$191
This Mytrip deal was found by Cheapflights users on 11/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/157:55 pm -
2 stops21h 20m
Sun 1/178:15 pm -
1 stop13h 35m
Deal found 11/5![Multiple Airlines logo]()
$194
This KLM deal was found by Cheapflights users on 11/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/58:35 am -
1 stop9h 10m
Thu 4/157:50 pm -
1 stop12h 55m
Deal found 11/2![KLM logo]()
$319
This Booking.com deal was found by Cheapflights users on 11/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/157:50 am -
1 stop8h 35m
Sun 1/172:00 pm -
Nonstop4h 30m
Deal found 11/5![Icelandair logo]()
$448
This Connections by easyJet deal was found by Cheapflights users on 10/31. 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 11/298:15 pm -
1 stop16h 35m
Tue 12/87:20 pm -
1 stop21h 30m
Deal found 10/31![easyJet logo]()
$259
This Mytrip deal was found by Cheapflights users on 11/4. 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.
Wed 3/318:20 am -
2 stops12h 15m
Sun 4/49:25 pm -
2 stops21h 35m
Deal found 11/4![Multiple Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/1910:30 am -
2 stops34h 00m
Sat 12/267:00 am -
1 stop13h 20m
Deal found 11/4![Multiple Airlines logo]()
$424
This Mytrip deal was found by Cheapflights users on 11/2. 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.
Sun 4/41:00 am -
2 stops10h 50m
Mon 4/59:25 pm -
2 stops20h 30m
Deal found 11/2![Multiple Airlines logo]()
$459
This Gotogate deal was found by Cheapflights users on 11/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:30 am -
Nonstop4h 20m
Thu 12/105:55 pm -
1 stop16h 55m
Deal found 11/2![Multiple Airlines logo]()
$485
Last-minute flights from Keflavik Intl to LisbonDiscover last-minute flight deals from Keflavik Intl to Lisbon. Data last updated November 5, 2026 and is based on user searches.
Discover last-minute flight deals from Keflavik Intl to Lisbon. Data last updated November 5, 2026 and is based on user searches.
This Connections by easyJet deal was found by Cheapflights users on 10/31. 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 11/298:15 pm -
1 stop16h 35m
Tue 12/87:20 pm -
1 stop21h 30m
Deal found 10/31![easyJet logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
Thu 12/33:10 pm -
1 stop8h 20m
Thu 12/106:05 am -
1 stop8h 15m
Deal found 11/1![Lufthansa logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 10/31. 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.
Thu 12/39:55 pm -
2 stops46h 10m
Thu 12/106:20 pm -
1 stop15h 30m
Deal found 10/31![Multiple Airlines logo]()
$240
This Connections by easyJet deal was found by Cheapflights users on 11/5. 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.
Sat 12/59:10 pm -
1 stop12h 30m
Sat 12/124:15 pm -
1 stop18h 25m
Deal found 11/5![easyJet logo]()
$191
This Booking.com deal was found by Cheapflights users on 11/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/510:55 am -
2 stops13h 00m
Sat 12/129:45 pm -
1 stop11h 50m
Deal found 11/5![Multiple Airlines logo]()
$230
One-way flights from Keflavik Intl to LisbonSearch for one-way flight options from Keflavik Intl to Lisbon. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
Search for one-way flight options from Keflavik Intl to Lisbon. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
This WAYA deal was found by Cheapflights users on 11/2. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:50 am -
1 stop11h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$84
This Connections by easyJet deal was found by Cheapflights users on 11/3. 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 1/2012:05 pm -
1 stop22h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![easyJet logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 1/2310:30 am -
2 stops28h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Fri 1/227:55 pm -
2 stops21h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Sun 1/179:45 pm -
1 stop23h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$114
This Connections by easyJet deal was found by Cheapflights users on 11/3. 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 12/1610:00 am -
1 stop24h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![easyJet logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
Sun 3/79:45 pm -
1 stop23h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Multiple Airlines logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 3/910:50 am -
1 stop11h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Multiple Airlines logo]()
$120
This Connections by easyJet deal was found by Cheapflights users on 11/1. 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 3/85:30 pm -
1 stop19h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![easyJet logo]()
$123
Find flight deals from Keflavik Intl to Lisbon
Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) to Lisbon (LIS). 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 November 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $203 (Kiwi.com) |
One-way from | $84 (WAYA) |
Popular in | July |
Cheapest in | January |
Average price | $457 |
Cheapflights Fare Finder
Customize your flight search to find flights from Keflavik Intl to Lisbon 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 November 5, 2026.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Lisbon that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ReykjavikLisbon
KEF Reykjavik Keflavik Intl - LIS Lisbon Humberto Delgado
KEFLIS
Reykjavik Keflavik Intl
Tue 11/17
10:50 am-10:05 pm
1 stop11h 15m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$84
ReykjavikLisbon
KEF Reykjavik Keflavik Intl - LIS Lisbon Humberto Delgado
KEFLIS
Reykjavik Keflavik Intl
Wed 1/20
12:05 pm-10:15 am
1 stop22h 10m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$96
ReykjavikLisbon
KEF Reykjavik Keflavik Intl - LIS Lisbon Humberto Delgado
KEFLIS
Reykjavik Keflavik Intl
Sun 3/7
9:45 pm-9:00 pm
1 stop23h 15m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$118
ReykjavikLisbon
KEF Reykjavik Keflavik Intl - LIS Lisbon Humberto Delgado
KEFLIS
Reykjavik Keflavik Intl
Tue 3/9
10:50 am-10:05 pm
1 stop11h 15m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$120
ReykjavikLisbon
KEF Reykjavik Keflavik Intl - LIS Lisbon Humberto Delgado
KEFLIS
Reykjavik Keflavik Intl
Mon 3/8
5:30 pm-1:10 pm
1 stop19h 40m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$123
ReykjavikLisbon
KEF Reykjavik Keflavik Intl - LIS Lisbon Humberto Delgado
KEFLIS
Reykjavik Keflavik Intl
Sat 3/6
9:05 pm-8:55 pm
1 stop23h 50m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$125
Quickest round-trip
ReykjavikLisbon
KEF Reykjavik Keflavik Intl - LIS Lisbon Humberto Delgado
KEFLIS
Reykjavik Keflavik Intl
Wed 3/10
10:00 am-7:40 pm
1 stop9h 40m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$153
ReykjavikLisbon
KEF Reykjavik Keflavik Intl - LIS Lisbon Humberto Delgado
KEFLIS
Reykjavik Keflavik Intl
Tue 3/23
8:55 am-4:20 pm
1 stop31h 25m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$171
ReykjavikLisbon
KEF Reykjavik Keflavik Intl - LIS Lisbon Humberto Delgado
KEFLIS
Reykjavik Keflavik Intl
Sat 12/5
9:10 pm-9:40 am
1 stop12h 30m
Lisbon Humberto Delgado
Sat 12/12
4:15 pm-10:40 am
1 stop18h 25m
$191
ReykjavikLisbon
KEF Reykjavik Keflavik Intl - LIS Lisbon Humberto Delgado
KEFLIS
Reykjavik Keflavik Intl
Wed 3/31
11:00 am-11:00 pm
1 stop11h 00m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$192
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Keflavik Intl to Lisbon
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Keflavik Intl to Lisbon in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Reykjavik Keflavik Intl Airport-Lisbon flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Reykjavik Keflavik Intl Airport-Lisbon flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Reykjavik Keflavik Intl Airport-Lisbon flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Reykjavik Keflavik Intl Airport-Lisbon 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 Reykjavik Keflavik Intl Airport-Lisbon 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 Keflavik Intl to Lisbon
Have a flexible travel schedule? Discover the best time to fly to Lisbon from Keflavik Intl with our price prediction graph.
KEF-LIS
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 Reykjavik Keflavik Intl Airport to Lisbon
Prices
Delays
What is the cheapest month to book a flight from Reykjavik Keflavik Intl Airport to Lisbon?
Currently, January is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Lisbon (average of $370). Flying from Reykjavik Keflavik Intl Airport to Lisbon in July is currently the most expensive (average of $956). 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.
How much does it cost to fly round-trip from Reykjavik Keflavik Intl Airport to Lisbon?
Airfare is below average for this route at the moment.
Reykjavik Keflavik Intl Airport to Lisbon flights typically cost between $278 and $560 in December.The cheapest round-trip price found within the last 5 days was $203 on Lufthansa (Dec 3-Dec 10).
How often are flights from Reykjavik to Lisbon delayed?
About 9% of weekly flights between Reykjavik and Lisbon have experienced delays in the past year, with the average delay time being 66 minutes.
What is the most punctual flight time for Reykjavik to Lisbon flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the morning 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 Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Reykjavik to Lisbon flights?
Over the last year, Icelandair have had the lowest number of delays on this route, with just 9% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from Keflavik Intl to Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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