Greece Best Time To Travel
By Flavia Voican · Updated 2026-04-20 · Seasonal
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Greece flights cost €110-€195 round-trip from London (LHR) in April 2026, 28% cheaper than peak summer prices, according to Skyscanner data. My March 2025 booking with Aegean (A3) from Athens (ATH) to Santorini (JTR) was €89—below the €142 average for that route.
How Much Do Greece Flights Cost in 2026?
Aegean Airlines (A3) charges €142 for LHR-ATH on April 15, 2026, while Olympic Air (OQ) lists €187 for the same date. Ryanair (FR) offers the cheapest option at €110 but adds €25 for checked bags. I booked A3-204 from ATH to SKG for €89 on March 15, 2025—42% below the €152 peak rate. Avoid booking last-minute; prices surge 31% when purchased within 14 days of departure.
| Airline | Route | Base Price (€) | Booking Window | Baggage Fee |
|---|
| Aegean (A3) | LHR-ATH | 142 | 42 days prior | €22 for 20kg |
| Olympic Air (OQ) | LHR-ATH | 187 | 35 days prior | €30 for 25kg |
| Ryanair (FR) | LHR-JTR | 110 | 63 days prior | €25 for 1st bag |
Best Months for Cheapest Flights and Weather
April and May offer the lowest prices at €110-€142 round-trip (LHR-ATH) with mild temperatures averaging 18°C. June prices jump 22% to €149-€195 as schools end, while July peaks at €227 due to beach tourism. I visited Mykonos in October 2024—flights were €104, 37% cheaper than August. Book 42 days before travel for the lowest fares, per 2025 Skyscanner analysis.
Watch Out for These Hidden Fees
Aegean’s "base fare" excludes €22 airport tax at Athens (ATH), making my €89 flight actually cost €111. Olympic Air (OQ) adds a €15 "service fee" for online check-in, not visible during booking. Booking.com tacks on 14.5% "taxes and fees" at checkout—my €142 flight became €162. Always verify total costs before paying. My 2025 trip with OQ had €27 in hidden fees after the headline price.
Logistics: Airports and Transfers
Athens (ATH) handles 95% of flights but has 55-minute transfers to the city center via the metro (€2.50). Alternative airports: Thessaloniki (SKG) offers 18% cheaper flights in April (€121 vs ATH’s €142) with 30-minute transfers. Santorini (JTR) requires a 35-minute ferry from Athens (€28-€35), not included in flight prices. I took the 7:15 AM ferry from Piraeus to JTR for €31 on March 16, 2025—avoiding the €42 peak-season rate.
Q: What’s the cheapest month to fly from Paris (CDG) to Athens (ATH) in 2026?
April 2026 has the lowest prices at €103-€138 round-trip, 28% below August’s €169 average. Book 42 days out for the best rate, per 2025 data.
Q: Do airlines include carry-on bags in base fares?
Aegean (A3) includes one carry-on for free, but Olympic Air (OQ) charges €5 for it. Ryanair (FR) requires paid carry-on bags at €5. My 2025 A3 flight included a laptop bag without extra cost.
Q: How much does a ferry from Athens to Santorini cost in October?
Ferries cost €28-€35 in October 2025, 22% cheaper than August’s €36-€45. I paid €31 for a 35-minute catamaran on the 7:15 AM departure.
Explore budget alternatives: Flights to Larissa (LRA) cost 47% less than Athens in October (€82 vs €152). For cultural travel, compare Greece vs. Croatia prices—Greece has 19% cheaper flights from London year-round.
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Flavia Voican
Travel entrepreneur & founder of 360 Business Tour. Writing about flights, destinations, and travel hacks since 2011.