A coastal cityscape with colorful buildings, a prominent cathedral, and a beach in the background.

CA $222 Cheap Flights from Reykjavik (KEF) to Lisbon (LIS)

Popular airlines from Keflavik International Airport (KEF) to Humberto Delgado Airport (LIS)

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Cheap flights from Reykjavik (KEF) to Lisbon (LIS)

Prices were available within the past 7 days and start at CA $222 for one-way flights and CA $468 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Scandinavian Airlines
Austrian Airlines
Scandinavian Airlines
Scandinavian Airlines
Austrian Airlines
Lufthansa
Swiss International Air Lines
Lufthansa
Icelandair

Alternative airports near Lisbon

Prices were available within the past 7 days. Prices and availability are subject to change.

Find the cheapest month to fly from Reykjavik (KEF) to Lisbon (LIS)

April is typically the cheapest month to fly

From CA $388 - CA $636 per traveller.

Frequently asked questions

How much does a flight from Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado) cost?
You can find cheap one-way flights from CA $222 and cheap return flights from CA $468 KEF to LIS with Expedia. One-way flights typically cost between CA$499 and CA$1514. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when KEF to LIS ticket fares go up or down.
What is the cheapest month to fly from Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado)?
The cheapest months to fly from KEF to LIS are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado)?
Only one airline offers direct flights from Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado). Icelandair operates 7 direct flights from KEF to LIS every week.
How do I find cheap flights from Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado)?
To find a cheap flight from Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado)?
The best airline to fly with from Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado) will differ from traveler to traveler. If you like to fly early, Icelandair offers early morning flights. If price is the most important factor, Icelandair typically offers the lowest fares. Icelandair offers the most daily flights from Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado)?
While direct flights from Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado) are minimal, you'll find approximately 43 connecting flights per day. This gives you plenty of options to choose from. Some common connection points include Frankfurt Intl. (FRA), Kastrup (CPH), and Vienna Intl. (VIE).
What is the earliest flight from Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado)?
The earliest flight from Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado) typically departs around 12:10 AM local time. This flight is operated by Austrian Airlines, Air Baltic, and Lufthansa. This is a seasonal service, active only in April. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado)?
You'll typically find the most flights from Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado) on a Tuesday, with around 40 flights available. This gives you a good selection for your travel plans. Major airlines on this route include Icelandair, SAS, and Lufthansa. Flight schedules are fairly consistent throughout the week, so you'll have options no matter when you choose to fly.
What are the most popular departure times for flights from Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado)?
The most popular departure times for flights from Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado) are in the morning, from 6am to 9am. Many major carriers, including Icelandair, Finnair and SAS, offer flights during this window. This timing works well because it allows you to start your travel day early and arrive in Lisbon with plenty of time to settle in.
How long does it take to fly from Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado)?
A nonstop flight from Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado) typically takes around 4 hours 18 minutes. This route covers a distance of approximately 2,943 kilometres. If you opt for a one-stop flight, your travel time will be longer, usually around 9 hours 18 minutes. Flights with two or more stops can take significantly longer, often around 21 hours 30 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your journey.
Can you fly business or first class from Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado)?
Yes, you can fly business class between KEF and LIS. Airlines that offer business class service on this route include:
  • Lufthansa
  • Air Baltic
  • British Airways
  • Discover Airlines
  • SAS
  • Icelandair
  • LOT-Polish Airlines
  • Edelweiss Air
  • Finnair
  • Austrian Airlines
  • Iberia Express
How do I earn miles on a Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado) flight with Expedia?
It's easy to earn miles on a Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Lisbon (LIS) from Reykjavik (KEF)?
If you're planning to travel to Lisbon from Keflavik Intl. (KEF), you can fly directly into Humberto Delgado (LIS). Some flights may connect through major hubs like Frankfurt Intl. (FRA), Vienna Intl. (VIE), or Franz Josef Strauss Intl. (MUC) before reaching Lisbon. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado) at the last minute?
Typically, booking a last minute flight from Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado) flight and hotel package?
Securing a Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado)?
If you booked your Reykjavik (KEF-Keflavik Intl.) to Lisbon (LIS-Humberto Delgado) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Keflavik Intl.
Destination airport
Humberto Delgado
Airlines serving
Air France, Austrian Airlines, British Airways, Finnair, Iberia, Icelandair, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal
Roundtrip price
CA $467
Distance
2925 km
Average flight time
5 hours 20 mins

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