--- title: "Porto (OPO) to Athens (ATH) flights: who flies it" description: "Aegean Airlines flies Porto (OPO) to Athens (ATH) nonstop once a week as A3 725, scheduled at 3h 45m. See award seats by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/opo-ath" url: "https://2lnr.com/routes/opo-ath.md" date_modified: "2026-10-18T05:10:47Z" --- # Porto to Athens (OPO-ATH): nonstop flights and award space Aegean Airlines flies nonstop from Porto (OPO) to Athens (ATH) just once a week. In the timetable below it flies as A3 725, scheduled at 3h 45m for the 1,742 miles. 2LNR tracks award seats on Aegean Airlines across every OPO to ATH date, so you can see whether a seat exists before you move points. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See OPO to ATH on the interactive map [Get started free](https://2lnr.com/login) 1 Flights a week, 4-week average 3h 45m Scheduled flight time 1,742 mi Nonstop distance Free To get started ## Porto to Athens flight schedule Scheduled nonstop departures for OPO to ATH starting October 23, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Porto (OPO) to Athens (ATH) | Date | Flight | Airline | Departs OPO | Arrives ATH | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Sun, Oct 25 | A3 725 | Aegean Airlines | 00:35 | 05:20 | 3h 45m | [Airbus A320neo](https://2lnr.com/seatmaps/a3/a320neo.md) | | Thu, Oct 29 | A3 725 | Aegean Airlines | 23:50 | 05:35 | 3h 45m | [Airbus A321neo family](https://2lnr.com/seatmaps/a3/a321neo.md) | | Thu, Nov 5 | A3 725 | Aegean Airlines | 23:50 | 05:35 | 3h 45m | Airbus A321neo family | | Thu, Nov 12 | A3 725 | Aegean Airlines | 23:50 | 05:35 | 3h 45m | Airbus A321neo family | | Thu, Nov 19 | A3 725 | Aegean Airlines | 23:50 | 05:35 | 3h 45m | Airbus A321neo family | | Thu, Nov 26 | A3 725 | Aegean Airlines | 23:50 | 05:35 | 3h 45m | Airbus A321neo family | | Thu, Dec 3 | A3 725 | Aegean Airlines | 23:50 | 05:35 | 3h 45m | Airbus A321neo family | Showing all 7 scheduled OPO to ATH departures across 7 days with service, starting October 23, 2026. Later dates are on the interactive map. Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every OPO to ATH date on the interactive map ## Aircraft on the Porto to Athens nonstop Aegean Airlines flies the departures in the schedule table on this page with the [Airbus A321neo family](https://2lnr.com/seatmaps/a3/a321neo.md) and the [Airbus A320neo](https://2lnr.com/seatmaps/a3/a320neo.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Award seats on OPO to ATH departures 2LNR tracks award seats on Aegean Airlines, date by date. Open the calendar for Porto to Athens to see whether a seat exists before you move points, the next 14 days free on every product and the full horizon on Pro. Aegean Airlines award space was open on 2 of the 3 Porto to Athens departure dates from October 19 to November 1 that 2LNR checked in the 7 days to October 19, 2026. ### See real availability Award seats by date on the OPO to ATH departures 2LNR tracks, checked against live inventory so you know what's open before you book. ### Set an alert Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're tracking. ### Plan on the map See OPO to ATH on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Porto to Athens nonstop Carriers operating OPO to ATH nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show award space by date. - [Aegean Airlines (A3) route map](https://2lnr.com/routes/airlines/a3.md)\ [The aircraft A3 flies](https://2lnr.com/seatmaps/a3.md) See OPO to ATH on the interactive map → ## Frequently asked questions about OPO to ATH **How long is the flight from Porto (OPO) to Athens (ATH)?** A3 725 is scheduled at 3h 45m from Porto (OPO) to Athens (ATH) on every departure in the schedule table on this page. The nonstop covers about 1,742 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from OPO to ATH?** Aegean Airlines is currently the only airline flying OPO to ATH nonstop. 2LNR tracks award seats on Aegean Airlines. **How often does OPO to ATH operate?** The OPO to ATH nonstop currently runs once a week, on Aegean Airlines. Thin schedules like this change by season, and on Pro an alert will catch anything added. **What time do flights from OPO to ATH depart?** Scheduled OPO to ATH nonstops in the next 7 days with service leave between 00:35 and 23:50, local time at Porto. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate OPO to ATH nonstop?** Aegean Airlines flies A3 725 nonstop from Porto (OPO) to Athens (ATH), the only flight number in the schedule table on this page. The table lists each date with its departure and arrival times and aircraft. **How do I check award availability on OPO to ATH?** Open the OPO to ATH route on the interactive map or the matrix to see award seats by date on Aegean Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens. Flying the other way? See [ATH to OPO nonstop flights and award space](https://2lnr.com/routes/ath-opo.md). Award seats rather than schedules? See [Aegean Airlines award availability](https://2lnr.com/awards/a3.md). Looking beyond this route? See [every route from Porto (OPO)](https://2lnr.com/routes/opo.md), or [every route from Athens (ATH)](https://2lnr.com/routes/ath.md). - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## See OPO to ATH award space by date See what's open by date on this route, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)