The cheapest Riga to Mombasa return flight on the radar right now is €833, flying with airBaltic + Ethiopian Airlines + LOT via one or more connections. It covers departures in December 2026, and every dated link below opens that exact RIX–MBA search on Skyscanner. The price we usually record on this route is €723. Across 57 recorded checks it has ranged between €616 and €997. Our sampling points to December 2026 as the cheapest month to fly Riga to Mombasa.
Prices are re-checked against Skyscanner automatically, and every one shows when it was last confirmed, so nothing here is older than it looks. Not flying from Riga? We track 53 other departure cities for Mombasa, listed at the foot of this page.
Prices like this tend to vanish fast. If it has gone when you look, try the days either side of the dates above, since Riga to Mombasa is often still worth booking within a day or two of the fare we found.