$130+ Cheap flights from Keflavik Intl (KEF) to Lisbon (LIS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — LIS
May 8 — May 151
Round-trip
1 adult, Economy
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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 April 8, 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 April 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/138:30 am
KEF
- LIS
2 stops13h 55m
Multiple Airlines
Sat 6/206:00 am
LIS
- KEF
1 stop27h 15m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:35 am
KEF
- LIS
2 stops35h 40m
Multiple Airlines
Mon 6/86:25 pm
LIS
- KEF
1 stop14h 25m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/242:45 pm
KEF
- LIS
2 stops28h 05m
Multiple Airlines
Mon 6/296:25 pm
LIS
- KEF
1 stop14h 25m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 4/5. 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.
Wed 5/203:55 pm
KEF
- LIS
2 stops24h 15m
Multiple Airlines
Wed 5/279:10 am
LIS
- KEF
1 stop24h 10m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$326
This KLM deal was found by Cheapflights users on 4/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/178:00 pm
KEF
- LIS
1 stop13h 55m
KLM
Wed 6/247:45 pm
LIS
- KEF
1 stop13h 50m
KLM
Deal found 4/6![KLM logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1312:45 am
KEF
- LIS
1 stop8h 30m
Multiple Airlines
Sat 6/206:00 am
LIS
- KEF
1 stop27h 15m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/711:50 pm
KEF
- LIS
1 stop23h 20m
Wizz Air
Thu 5/148:30 pm
LIS
- KEF
2 stops21h 35m
Wizz Air
Deal found 4/7![Wizz Air logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/138:30 am
KEF
- LIS
2 stops13h 55m
Multiple Airlines
Sun 6/216:25 am
LIS
- KEF
1 stop13h 00m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$338
This KLM deal was found by Cheapflights users on 4/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:15 pm
KEF
- LIS
1 stop14h 40m
KLM
Thu 5/77:45 pm
LIS
- KEF
1 stop13h 00m
KLM
Deal found 4/3![KLM logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:00 pm
KEF
- LIS
1 stop24h 25m
Multiple Airlines
Sun 5/177:30 pm
LIS
- KEF
2 stops37h 20m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/236:00 pm
KEF
- LIS
1 stop16h 30m
Multiple Airlines
Mon 6/296:25 pm
LIS
- KEF
1 stop14h 25m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/207:20 pm
KEF
- LIS
1 stop13h 15m
Multiple Airlines
Mon 6/296:25 pm
LIS
- KEF
1 stop14h 25m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$347
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 April 8, 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 April 8, 2026.
This KLM deal was found by Cheapflights users on 4/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/178:00 pm
KEF
- LIS
1 stop13h 55m
KLM
Wed 6/247:45 pm
LIS
- KEF
1 stop13h 50m
KLM
Deal found 4/6![KLM logo]()
$327
This Gotogate deal was found by Cheapflights users on 4/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:55 am
KEF
- LIS
Nonstop4h 20m
Multiple Airlines
Thu 5/77:00 am
LIS
- KEF
1 stop8h 45m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$569
This Icelandair deal was found by Cheapflights users on 4/7. 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.
Tue 7/77:35 am
KEF
- LIS
1 stop10h 50m
Icelandair
Sun 7/1910:20 pm
LIS
- KEF
Nonstop4h 30m
Icelandair
Deal found 4/7![Icelandair logo]()
$655
This KLM deal was found by Cheapflights users on 4/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:15 pm
KEF
- LIS
1 stop14h 40m
KLM
Thu 5/77:45 pm
LIS
- KEF
1 stop13h 00m
KLM
Deal found 4/3![KLM logo]()
$341
This KLM deal was found by Cheapflights users on 4/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:15 pm
KEF
- LIS
1 stop18h 20m
KLM
Thu 5/147:45 pm
LIS
- KEF
1 stop13h 00m
KLM
Deal found 4/3![KLM logo]()
$348
This KLM deal was found by Cheapflights users on 4/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/218:10 pm
KEF
- LIS
1 stop13h 45m
KLM
Sun 6/287:45 pm
LIS
- KEF
1 stop13h 05m
KLM
Deal found 4/7![KLM logo]()
$352
This FlightHub deal was found by Cheapflights users on 4/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:40 am
KEF
- LIS
1 stop7h 20m
Icelandair
Sun 9/137:00 am
LIS
- KEF
1 stop11h 20m
Icelandair
Deal found 4/4![Icelandair logo]()
$658
This FlightHub deal was found by Cheapflights users on 4/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:20 am
KEF
- LIS
1 stop20h 55m
Multiple Airlines
Sun 9/1310:35 pm
LIS
- KEF
2 stops49h 45m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$676
This KLM deal was found by Cheapflights users on 4/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/108:10 pm
KEF
- LIS
1 stop17h 25m
KLM
Sun 5/175:00 am
LIS
- KEF
1 stop15h 10m
KLM
Deal found 4/7![KLM logo]()
$527
Last-minute flights from Keflavik Intl to LisbonDiscover last-minute flight deals from Keflavik Intl to Lisbon. Data last updated April 8, 2026 and is based on user searches.
Discover last-minute flight deals from Keflavik Intl to Lisbon. Data last updated April 8, 2026 and is based on user searches.
This KLM deal was found by Cheapflights users on 4/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:15 pm
KEF
- LIS
1 stop14h 40m
KLM
Thu 5/77:45 pm
LIS
- KEF
1 stop13h 00m
KLM
Deal found 4/3![KLM logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 4/5. 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.
Thu 4/309:15 am
KEF
- LIS
2 stops36h 30m
Lufthansa
Thu 5/72:30 pm
LIS
- KEF
1 stop10h 40m
Lufthansa
Deal found 4/5![Lufthansa logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 4/3. 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.
Thu 4/307:35 pm
KEF
- LIS
2 stops37h 35m
Multiple Airlines
Thu 5/75:55 am
LIS
- KEF
1 stop18h 40m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 4/3. 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.
Thu 4/301:00 am
KEF
- LIS
2 stops37h 10m
Multiple Airlines
Fri 5/810:05 am
LIS
- KEF
1 stop22h 45m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$394
This Connections by easyJet deal was found by Cheapflights users on 4/3. 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.
Fri 5/110:45 am
KEF
- LIS
1 stop11h 45m
easyJet
Fri 5/810:05 am
LIS
- KEF
1 stop22h 45m
easyJet
Deal found 4/3![easyJet logo]()
$389
This Booking.com deal was found by Cheapflights users on 4/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:35 pm
KEF
- LIS
1 stop27h 30m
Scandinavian Airlines
Fri 5/89:15 pm
LIS
- KEF
1 stop13h 25m
Scandinavian Airlines
Deal found 4/3![Scandinavian Airlines logo]()
$422
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/711:50 pm
KEF
- LIS
1 stop23h 20m
Wizz Air
Thu 5/148:30 pm
LIS
- KEF
2 stops21h 35m
Wizz Air
Deal found 4/7![Wizz Air logo]()
$336
This KLM deal was found by Cheapflights users on 4/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:15 pm
KEF
- LIS
1 stop18h 20m
KLM
Thu 5/147:45 pm
LIS
- KEF
1 stop13h 00m
KLM
Deal found 4/7![KLM logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:00 pm
KEF
- LIS
1 stop24h 25m
Multiple Airlines
Sun 5/177:30 pm
LIS
- KEF
2 stops37h 20m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 4/5. 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.
Wed 5/203:55 pm
KEF
- LIS
2 stops24h 15m
Multiple Airlines
Wed 5/279:10 am
LIS
- KEF
1 stop24h 10m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$326
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 April 8, 2026.
Search for one-way flight options from Keflavik Intl to Lisbon. Find affordable one-way fares based on user searches. Data last updated April 8, 2026.
This Mytrip deal was found by Cheapflights users on 4/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:25 pm
KEF
- LIS
2 stops23h 50m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Mon 6/86:25 pm
KEF
- LIS
2 stops25h 55m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 6/612:45 am
KEF
- LIS
1 stop7h 30m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:00 pm
KEF
- LIS
1 stop23h 50m
Wizz Air
Deal found 4/6![Wizz Air logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/156:25 pm
KEF
- LIS
2 stops25h 55m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$151
This Transavia Smart Connect deal was found by Cheapflights users on 4/5. 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 Transavia Smart Connect is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/11:00 am
KEF
- LIS
1 stop20h 30m
Transavia France
Deal found 4/5![Transavia France logo]()
$157
This Mytrip deal was found by Cheapflights users on 4/5. 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.
Mon 6/11:00 am
KEF
- LIS
2 stops13h 10m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 4/5. 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.
Fri 6/57:25 pm
KEF
- LIS
2 stops27h 00m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$165
This Trip.com deal was found by Cheapflights users on 4/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:00 am
KEF
- LIS
1 stop11h 00m
easyJet
Deal found 4/4![easyJet logo]()
$169
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 April 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $313 (Kiwi.com) |
One-way from | $130 (Mytrip) |
Popular in | April |
Cheapest in | January |
Average price | $939 |
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 2,558,603 searches. Data last updated April 8, 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 - LIS
KEFLIS
Reykjavik Keflavik Intl
Wed 6/17
8:00 pm-10:55 am
1 stop13h 55m
Lisbon Humberto Delgado
Wed 6/24
7:45 pm-8:35 am
1 stop13h 50m
$327
ReykjavikLisbon
KEF - LIS
KEFLIS
Reykjavik Keflavik Intl
Thu 4/30
7:15 pm-10:55 am
1 stop14h 40m
Lisbon Humberto Delgado
Thu 5/7
7:45 pm-7:45 am
1 stop13h 00m
$341
ReykjavikLisbon
KEF - LIS
KEFLIS
Reykjavik Keflavik Intl
Thu 5/7
7:15 pm-2:35 pm
1 stop18h 20m
Lisbon Humberto Delgado
Thu 5/14
7:45 pm-7:45 am
1 stop13h 00m
$348
ReykjavikLisbon
KEF - LIS
KEFLIS
Reykjavik Keflavik Intl
Sun 6/21
8:10 pm-10:55 am
1 stop13h 45m
Lisbon Humberto Delgado
Sun 6/28
7:45 pm-7:50 am
1 stop13h 05m
$352
ReykjavikLisbon
KEF - LIS
KEFLIS
Reykjavik Keflavik Intl
Sun 5/10
8:10 pm-2:35 pm
1 stop17h 25m
Lisbon Humberto Delgado
Sun 5/17
5:00 am-7:10 pm
1 stop15h 10m
$527
Quickest round-trip
ReykjavikLisbon
KEF - LIS
KEFLIS
Reykjavik Keflavik Intl
Thu 4/30
8:55 am-2:15 pm
Nonstop4h 20m
Lisbon Humberto Delgado
Thu 5/7
7:00 am-2:45 pm
1 stop8h 45m
$569
ReykjavikLisbon
KEF - LIS
KEFLIS
Reykjavik Keflavik Intl
Tue 7/7
7:35 am-7:25 pm
1 stop10h 50m
Lisbon Humberto Delgado
Sun 7/19
10:20 pm-1:50 am
Nonstop4h 30m
$655
ReykjavikLisbon
KEF - LIS
KEFLIS
Reykjavik Keflavik Intl
Thu 9/10
7:40 am-4:00 pm
1 stop7h 20m
Lisbon Humberto Delgado
Sun 9/13
7:00 am-5:20 pm
1 stop11h 20m
$658
ReykjavikLisbon
KEF - LIS
KEFLIS
Reykjavik Keflavik Intl
Wed 9/9
12:20 am-10:15 pm
1 stop20h 55m
Lisbon Humberto Delgado
Sun 9/13
10:35 pm-11:20 pm
2 stops49h 45m
$676
Cheapest one-way
ReykjavikLisbon
KEF - LIS
KEFLIS
Reykjavik Keflavik Intl
Tue 5/5
7:00 pm-7:50 pm
1 stop23h 50m
$149
Showing 1-10 of 20 resultsSorted by cheapest first
- 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, September is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Lisbon (average of $237). Flying from Reykjavik Keflavik Intl Airport to Lisbon in October is currently the most expensive (average of $550). 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?
How often are flights from Reykjavik to Lisbon delayed?
About 7% of weekly flights between Reykjavik and Lisbon have experienced delays in the past year, with the average delay time being 88 minutes.
What is the most punctual flight time for Reykjavik to Lisbon flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Thursday 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 Reykjavik to Lisbon flights?
Over the last year, Icelandair have had the lowest number of delays on this route, with just 7% of flights being delayed.
Reviews of airlines servicing Lisbon
Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated April 8, 2026.
Read reviews from past customers who have flown Icelandair from Reykjavik Keflavik Intl Airport to Lisbon. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
6.9
Boarding
7.2
Food
6.2
Crew
8.0
Comfort
6.9
Overall
7.0
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
ZRH - KEF
Entertainment
6.9
Boarding
7.2
Food
6.2
Crew
8.0
Comfort
6.9
Overall
7.0
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
ZRH - KEF
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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Keflavik Intl and Lisbon flights
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Top airline flying from Keflavik Intl to Lisbon
Discover the top airline that operate flights from Keflavik Intl to Lisbon. 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 2,558,603 searches. Data last updated April 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$555 | Average$757 | FlexibilityNo cancel fee | On-time76% |