$138 Cheap Flights from Reykjavik (KEF) to Athens (ATH)

View $138 flight on Tue, Jul 29, 2025Opens in a new window

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

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Find available prices by choosing your travel dates.

Cheap Flights from Reykjavik to Athens (KEF-ATH)

Prices were available within the past 7 days and start at $138 for one-way flights and $258 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Sun, May 11 - Sat, May 17
KEF
Reykjavik
ATH
Athens
$258 Roundtrip, found 4 days ago
$258
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sun, May 11 from Reykjavik to Athens, returning Sat, May 17, priced at $258 found 4 days ago
Scandinavian Airlines
Wed, Aug 27 - Thu, Sep 4
KEF
Reykjavik
ATH
Athens
$261 Roundtrip, found 19 hours ago
$261
Roundtrip
found 19 hours ago
Select Scandinavian Airlines flight, departing Wed, Aug 27 from Reykjavik to Athens, returning Thu, Sep 4, priced at $261 found 19 hours ago
Lufthansa
Sun, May 11 - Sat, May 17
KEF
Reykjavik
ATH
Athens
$267 Roundtrip, found 4 days ago
$267
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sun, May 11 from Reykjavik to Athens, returning Sat, May 17, priced at $267 found 4 days ago
Swiss International Air Lines
Thu, May 15 - Wed, May 21
KEF
Reykjavik
ATH
Athens
$274 Roundtrip, found 2 days ago
$274
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Thu, May 15 from Reykjavik to Athens, returning Wed, May 21, priced at $274 found 2 days ago
Lufthansa
Sun, May 11 - Sat, May 17
KEF
Reykjavik
ATH
Athens
$276 Roundtrip, found 4 days ago
$276
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sun, May 11 from Reykjavik to Athens, returning Sat, May 17, priced at $276 found 4 days ago
Lufthansa
Sun, May 11 - Thu, May 15
KEF
Reykjavik
ATH
Athens
$278 Roundtrip, found 4 days ago
$278
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sun, May 11 from Reykjavik to Athens, returning Thu, May 15, priced at $278 found 4 days ago
Lufthansa
Sun, May 11 - Sat, May 17
KEF
Reykjavik
ATH
Athens
$284 Roundtrip, found 4 days ago
$284
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sun, May 11 from Reykjavik to Athens, returning Sat, May 17, priced at $284 found 4 days ago
Lufthansa
Sun, May 11 - Sat, May 17
KEF
Reykjavik
ATH
Athens
$285 Roundtrip, found 4 days ago
$285
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sun, May 11 from Reykjavik to Athens, returning Sat, May 17, priced at $285 found 4 days ago
Austrian Airlines
Wed, May 14 - Sat, May 17
KEF
Reykjavik
ATH
Athens
$287 Roundtrip, found 4 days ago
$287
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Wed, May 14 from Reykjavik to Athens, returning Sat, May 17, priced at $287 found 4 days ago
Norwegian Air Shuttle
Tue, May 6 - Sat, May 10
KEF
Reykjavik
ATH
Athens
$380 Roundtrip, found 3 days ago
$380
Roundtrip
found 3 days ago
Select Norwegian Air Shuttle flight, departing Tue, May 6 from Reykjavik to Athens, returning Sat, May 10, priced at $380 found 3 days ago
Flights from Reykjavik (KEF) to Athens (ATH)
Origin airport
Keflavik Intl.
Destination airport
Eleftherios Venizelos
Airlines serving
Austrian Airlines, British Airways, Iberia, Icelandair, KLM, LOT-Polish Airlines, Lufthansa, Norwegian Air Shuttle, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines
Roundtrip price
$258
Distance
2610 mi

Reykjavik to Athens Flights

The cheapest times to fly from Reykjavik to Athens

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Reykjavik to Athens are during the month of May. You can find some of the cheapest flights from Reykjavik to Athens with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Reykjavik to Athens

Sunday is one of the best days to book for cheap flights from Reykjavik to Athens: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Reykjavik to Athens

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Reykjavik to Athens in 2025. You can also book with separate airlines for your outbound and return journeys, from $138 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Reykjavik to Athens flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Reykjavik to Athens airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Keflavik Intl. Airport (KEF) to Eleftherios Venizelos Airport (ATH) cost?
Cheap round-trip fares from Keflavik Intl. Airport (KEF) to Eleftherios Venizelos Airport (ATH) start at $456. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Fly Play flight leaving KEF on April 29 2025 and touching down at ATH. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from KEF to ATH?
The cheapest flights from KEF to ATH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from KEF to ATH?
At the moment, the cheapest carrier offering one-way flights from KEF to ATH is Fly Play. You can book a seat on this route from $285. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from KEF on June 27 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Keflavik Intl. Airport (KEF) to Eleftherios Venizelos Airport (ATH)?
There are no daily nonstop flights available from Keflavik Intl. Airport (KEF) to Eleftherios Venizelos Airport (ATH). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you’ll be on your way before you know it.
What day of the week has the most flights from KEF to ATH?
Usually you’ll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can change based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Keflavik Intl. Airport (KEF) to Eleftherios Venizelos Airport (ATH)?
Opt for a flight from Keflavik Intl. Airport (KEF) to Eleftherios Venizelos Airport (ATH) that leaves before 3 PM to reduce the likelihood of delays. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Keflavik Intl. Airport (KEF) to Eleftherios Venizelos Airport (ATH) last-minute?
Booking your plane ticket from KEF to ATH just before your getaway is generally more expensive. However, if you’re flexible with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a KEF to ATH flight and hotel package?
Securing a KEF to ATH flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our wide range of hotels and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Keflavik Intl. Airport (KEF) to Eleftherios Venizelos Airport (ATH)?
Generally, it’s possible to reschedule or cancel your KEF to ATH flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline’s policies in your itinerary to see what changes are allowed and whether any costs are involved. You’ll also find more information on our Customer Service portal.

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*Available to One Key members.