Cheap flights from Lisbon to Riga from £69

The cheapest month to fly to Riga from Lisbon is in February. Flight prices, which tend to average around £155, are often lower during this time because this is during the off-season. If you are unable to visit Riga during the month of February, then departing from Lisbon during the month December is also very affordable. Most momondo users find prices during this month for around £238.

You are more likely to see cheaper flights to Riga from Lisbon when booking weeks ahead of your departure date. In general, you can expect to find flights to Riga for around £297 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Riga from Lisbon for as low as £189 on momondo.

You could potentially save up to 58% on your flight if you consider stops on a Lisbon to Riga flight.

As of September 2026, prices for Lisbon to Riga flights are approximately 7% more expensive when compared to flights at the same time last year.

Historically, on average around 66% of flights between Lisbon and Riga have experienced a delay on any given week. The average delay length over the past 12 months has been 118 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Thursday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, airBaltic have had the fewest delays on this route over the last 12 months, with about 61% of their flights experiencing any sort of delay.