£109 Cheap Flights from Reykjavik (KEF) to Athens (ATH)

View £109 flight on Sun, 18 Oct 2026Opens in a new window

Popular airlines from Keflavik International Airport (KEF) to Athens Intl. Airport (ATH)

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Cheap Flights from Reykjavik (KEF) to Athens (ATH)

Prices were available within the past 7 days and start at £109 for one-way flights and £256 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Fri, 19 Jun - Mon, 29 Jun
KEF
Reykjavik
ATH
Athens
£256 Return, found 3 hours ago
£256
Return
found 3 hours ago
Select Swiss International Air Lines flight, departing Fri, 19 Jun from Reykjavik to Athens, returning Mon, 29 Jun, priced at £256 found 3 hours ago
Swiss International Air Lines
Fri, 19 Jun - Mon, 29 Jun
KEF
Reykjavik
ATH
Athens
£279 Return, found 3 hours ago
£279
Return
found 3 hours ago
Select Swiss International Air Lines flight, departing Fri, 19 Jun from Reykjavik to Athens, returning Mon, 29 Jun, priced at £279 found 3 hours ago
KLM
Wed, 14 Oct - Wed, 21 Oct
KEF
Reykjavik
ATH
Athens
£283 Return, found 4 days ago
£283
Return
found 4 days ago
Select KLM flight, departing Wed, 14 Oct from Reykjavik to Athens, returning Wed, 21 Oct, priced at £283 found 4 days ago
KLM
Wed, 14 Oct - Wed, 21 Oct
KEF
Reykjavik
ATH
Athens
£285 Return, found 4 days ago
£285
Return
found 4 days ago
Select KLM flight, departing Wed, 14 Oct from Reykjavik to Athens, returning Wed, 21 Oct, priced at £285 found 4 days ago
KLM
Wed, 27 May - Thu, 4 Jun
KEF
Reykjavik
ATH
Athens
£293 Return, found 8 hours ago
£293
Return
found 8 hours ago
Select KLM flight, departing Wed, 27 May from Reykjavik to Athens, returning Thu, 4 Jun, priced at £293 found 8 hours ago
Austrian Airlines
Mon, 11 May - Sat, 16 May
KEF
Reykjavik
ATH
Athens
£297 Return, found 3 days ago
£297
Return
found 3 days ago
Select Austrian Airlines flight, departing Mon, 11 May from Reykjavik to Athens, returning Sat, 16 May, priced at £297 found 3 days ago
Lufthansa
Mon, 11 May - Sat, 16 May
KEF
Reykjavik
ATH
Athens
£297 Return, found 3 days ago
£297
Return
found 3 days ago
Select Lufthansa flight, departing Mon, 11 May from Reykjavik to Athens, returning Sat, 16 May, priced at £297 found 3 days ago
Lufthansa
Mon, 11 May - Sat, 16 May
KEF
Reykjavik
ATH
Athens
£298 Return, found 3 days ago
£298
Return
found 3 days ago
Select Lufthansa flight, departing Mon, 11 May from Reykjavik to Athens, returning Sat, 16 May, priced at £298 found 3 days ago
Lufthansa
Mon, 11 May - Sat, 16 May
KEF
Reykjavik
ATH
Athens
£306 Return, found 3 days ago
£306
Return
found 3 days ago
Select Lufthansa flight, departing Mon, 11 May from Reykjavik to Athens, returning Sat, 16 May, priced at £306 found 3 days ago
British Airways
Wed, 14 Oct - Wed, 21 Oct
KEF
Reykjavik
ATH
Athens
£345 Return, found 4 days ago
£345
Return
found 4 days ago
Select British Airways flight, departing Wed, 14 Oct from Reykjavik to Athens, returning Wed, 21 Oct, priced at £345 found 4 days ago

Alternative airports near Athens

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

Select flight to Eleftherios Venizelos ATH. Cheapest and Closest option available. Average driving time to city centre is 28 minutes. Flights from £553
ATH
Eleftherios Venizelos
CheapestClosest
Average driving time to city centre28 min
Flights from £553

Frequently asked questions

How much does a flight from Reykjavik (KEF-Keflavik Intl.) to Athens (ATH-Eleftherios Venizelos) cost?
One-way flights typically cost between $842 and $3,024 and return flights often range between $842 and $3,024. 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 Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
How do I find cheap flights from Reykjavik (KEF-Keflavik Intl.) to Athens (ATH-Eleftherios Venizelos)?
To find a cheap flight from Reykjavik (KEF-Keflavik Intl.) to Athens (ATH-Eleftherios Venizelos), 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 time to fly from Reykjavik (KEF-Keflavik Intl.) to Athens (ATH-Eleftherios Venizelos)?
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 Athens (ATH-Eleftherios Venizelos)?
There are approximately 21 connecting flights per day from Reykjavik (KEF-Keflavik Intl.) to Athens (ATH-Eleftherios Venizelos). Some common connection points include Kastrup (CPH), Frankfurt Intl. (FRA), and Gardermoen (OSL).
What is the earliest flight from Reykjavik (KEF-Keflavik Intl.) to Athens (ATH-Eleftherios Venizelos)?
The earliest flight from Reykjavik (KEF-Keflavik Intl.) to Athens (ATH-Eleftherios Venizelos) typically departs at approximately 12:10 AM local time. This seasonal service operates in July and August and is offered by OS / A3. An early departure like this can help you maximize 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 Athens (ATH-Eleftherios Venizelos)?
You'll typically find the most flights from Reykjavik (KEF-Keflavik Intl.) to Athens (ATH-Eleftherios Venizelos) on a Monday, with around 29 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include FI, SK, and LH.
What are the most popular departure times for flights from Reykjavik (KEF-Keflavik Intl.) to Athens (ATH-Eleftherios Venizelos)?
The most popular departure times for flights from Reykjavik (KEF-Keflavik Intl.) to Athens (ATH-Eleftherios Venizelos) are between midnight and 3am. About 32% of passengers prefer this time window. Many major carriers, including Lufthansa and Austrian Airlines, offer flights during this window. These early morning flights can be a great option if you're looking to arrive at your destination early in the day.
How long does it take to fly from Reykjavik (KEF-Keflavik Intl.) to Athens (ATH-Eleftherios Venizelos)?
Flights from KEF to ATH with one stop typically take around 11 hours 30 minutes, covering approximately 2,611 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Reykjavik (KEF-Keflavik Intl.) to Athens (ATH-Eleftherios Venizelos)?
Select the "Business class" and "First class" filters when looking for KEF to ATH flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Reykjavik (KEF-Keflavik Intl.) to Athens (ATH-Eleftherios Venizelos) flight with Expedia?
It's easy to earn miles on a Reykjavik (KEF-Keflavik Intl.) to Athens (ATH-Eleftherios Venizelos) 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 Athens from Keflavik Intl. (KEF)?
If you're planning to travel to Athens from Keflavik Intl. (KEF), you can fly into Eleftherios Venizelos (ATH) Some flights may connect through major hubs like Frankfurt Intl. (FRA), ZRH (ZRH), Kastrup (CPH) before reaching Athens. 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 Athens (ATH-Eleftherios Venizelos) at the last minute?
Typically, booking a last minute flight from Reykjavik (KEF-Keflavik Intl.) to Athens (ATH-Eleftherios Venizelos) 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 Athens (ATH-Eleftherios Venizelos) flight and hotel package?
Securing a Reykjavik (KEF-Keflavik Intl.) to Athens (ATH-Eleftherios Venizelos) 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 Athens (ATH-Eleftherios Venizelos)?
If you booked your Reykjavik (KEF-Keflavik Intl.) to Athens (ATH-Eleftherios Venizelos) 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
Eleftherios Venizelos
Airlines serving
Austrian Airlines, British Airways, ITA Airways, Icelandair, KLM, Lufthansa, Norwegian Air Shuttle, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines
Return price
£255
Distance
4177 km

Book with confidence

Compare flights from Reykjavik to Athens easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Reykjavik to Athens. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Eleftherios Venizelos in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Keflavik Intl. to Eleftherios Venizelos.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Keflavik Intl. (KEF) to Eleftherios Venizelos (ATH)

The easiest way to view the best deals on flights from Reykjavik to Athens today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Keflavik Intl. to Eleftherios Venizelos start at just £256 and range up to £345.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Reykjavik and Athens
  • booking your flight during June, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Reykjavik to Athens flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Keflavik Intl. to Eleftherios Venizelos for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Reykjavik to Athens easily and book with confidence

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