ATH to GCI, Athens International Airport "Eleftherios Venizelos" to Guernsey Airport Cheap Flights

Based on HopeGoo data, Ryanair offers one-way fares as low as US$136 on Cheapest nonstop routes (e.g. ATH to GCI on Mon, Mar 9), while British Airways offers Cheapest nonstop round-trips from US$520 departing on Wed, Apr 22 and returning on Wed, Apr 29.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Athens to Guernsey is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

To find best deals on flights from Athens to Guernsey, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Mar 9, with one-way flights priced at just US$136. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Ryanair. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for Guernsey travel is around September. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Athens to Guernsey is December, when demand for travel is lower.

After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Athens to Guernsey on March 18, 2026 with British Airways, with prices starting at US$610.

The time difference between Guernsey and Athens is 2h.

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