Cheapflights Tip: The best prices from Lisbon Humberto Delgado to Riga Intl are usually found in January or February, booked 66 days in advance, depart on a Tuesday or Monday and return on a Tuesday
Cheap flight deals from Lisbon to Riga
Discover tips and strategies to find the most affordable flight options for your journey from Lisbon (LIS) to Riga (RIX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 3 November 2025.
Popular in
August
Cheapest in
January
Average price
£265
Highest demand for flights based on searches. 14% potential increase in price (£32 potential increase over avg. return price).
Have a flexible travel schedule? Discover the best time to fly to Riga from Lisbon with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Lisbon to Riga
Prices
Delays
How far ahead should I book a flight from Lisbon to Riga?
Use this chart to determine the optimal time to book a return flight from Lisbon to Riga. Price data was last updated on 31 October 2025.
The price you pay for your flight from Lisbon to Riga may vary depending on when you book. For the best chance of a lower fare, look to book 65 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Lisbon to Riga?
Currently, January is the cheapest month in which you can book a flight from Lisbon to Riga (average of £123). Flying from Lisbon to Riga in August is currently the most expensive (average of £265). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from LIS to RIX?
Find hourly flight availability from Lisbon to Riga. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 November 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Lisbon to Riga as you normally would.
How often are flights from Lisbon to Riga delayed?
About 73% of weekly flights between Lisbon and Riga have experienced delays in the past year, with the average delay time being 105 minutes.
What is the most punctual flight time for Lisbon to Riga flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Sunday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Lisbon to Riga flights?
Over the past year, airBaltic have had the lowest number of delays on this route, with just 61% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from Lisbon to Riga. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What are the most reliable airlines from Lisbon to Riga?
Consider airBaltic (12%), TAP AIR PORTUGAL (12%) or Carpatair (9%) when booking your flight. These represent the most reliable airlines when flying from Lisbon to Riga.
Can I find deals for flights from Lisbon to Riga that include hotel bookings?
Yes. In addition to deals on Lisbon to Riga flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Lisbon to Riga?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lisbon to Riga.
Can I find deals for business class flights from Lisbon to Riga?
Yes. Cheapflights offers flight deals from Lisbon to Riga by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Lisbon to Riga?
Currently, January is the cheapest month in which you can book a flight from Lisbon to Riga (average of £123). Flying from Lisbon to Riga in August is currently the most expensive (average of £265). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to Riga departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 3 November 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Lisbon to Riga?
Deals for Lisbon to Riga flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Lisbon to Riga?
Cheapflights helps you find that perfect flight to Riga from Lisbon by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Lisbon to Riga with no change fees?
Certainly. Search results for flights to Riga from Lisbon shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Lisbon to Riga become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!
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