What is the cheapest month to fly from Barnaul to Porto?

Based on current 6-month forward fare data, October 2026 is the cheapest month to fly from Barnaul (BAX) to Porto (OPO), with fares starting from $423.

What is the lowest current fare from BAX to OPO?

The lowest currently-listed fare from Barnaul (BAX) to Porto (OPO) is $423 on 2026-10-01.

Is there a direct flight from Barnaul to Porto?

There is currently no non-stop service from BAX to OPO. Most travellers connect through a hub airport. See our route page for current stopover options.

Cheap flights from Barnaul to Porto

Cheapest current fares: $423 in October 2026 on connecting flights.

Last updated August 5, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Barnaul (BAX) to Porto (OPO). Refreshed daily.

Barnaul (BAX) → Porto (OPO)

October 2026 $423
November 2026 $529

Frequently asked questions

What is the cheapest month to fly from Barnaul to Porto?

Based on current 6-month forward fare data, October 2026 is the cheapest month to fly from Barnaul (BAX) to Porto (OPO), with fares starting from $423.
What is the lowest current fare from BAX to OPO?

The lowest currently-listed fare from Barnaul (BAX) to Porto (OPO) is $423 on 2026-10-01.
Is there a direct flight from Barnaul to Porto?

There is currently no non-stop service from BAX to OPO. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.