Cheap flights from Lisbon to Riga
Cheapest current fares: $102 in September 2026, 3,138 km direct flight in ~3h 42m.
Cheapest month-by-month fares
Lowest available fare per calendar month from Lisbon (LIS) to Riga (RIX). Refreshed daily.
Lisbon (LIS) → Riga (RIX)
- September 2026 $102
- November 2026 $109
- October 2026 $118
- December 2026 $123
- August 2026 $155
- July 2026 $437
Frequently asked questions
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What is the cheapest month to fly from Lisbon to Riga?
Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Lisbon (LIS) to Riga (RIX), with fares starting from $102.
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What is the lowest current fare from LIS to RIX?
The lowest currently-listed fare from Lisbon (LIS) to Riga (RIX) is $102 on 2026-09-08.
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How long is the flight from Lisbon to Riga?
Direct flights from LIS to RIX cover approximately 3,138 km (1,950 miles), with an estimated flight time of 3h 42m. Operating airlines: BT.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.