Porto (OPO) to Tbilisi (TBS): 2,731 miles (4,395 km) great-circle, about 6h 00m nonstop by our estimate. Cheapest fare observed: $411 round-trip on Eurowings, with 2 stops, departing June 18, 2026.
$411 round-trip, Eurowings EW607, departing 2026-06-18 at 21:15, returning 2026-06-21. The recorded itinerary left on a Thursday, returning on a Sunday 3 nights later; the fare was observed 54 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $411, it ranked 25th of the 30 round-trip fares we recorded from OPO (median $202). That is 15.0 cents per great-circle mile (round-trip price over one-way distance), below the OPO median of 19.7 cents across 30 round-trip routes.
Routes from OPO of similar length: Yerevan (2,737 mi) at $233 and Sochi (2,453 mi) at $825.
OPO to TBS is the only one of 30 OPO routes where Eurowings priced cheapest. It is the 4th longest of the 30 routes we track from OPO.
Of 56 departure airports with a fare to Tbilisi, Porto (OPO) ranked 33rd at $411. Lowest: $149 from Istanbul (IST); highest: $2100 from Buenos Aires (EZE); 6 nonstop. Cheapest-fare airlines (routes): Pegasus Airlines (8), AJet (6), easyJet (3), Qatar (3), Turkish (3) and Aegean Airlines (2), plus 25 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Europe/Lisbon, Asia/Tbilisi; flight time is our estimate.