Cheap Flights from Riga International to Porto

Compare Riga International to Porto flight deals

Find the cheapest month or even day of the year to fly to Porto

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Flight deals from Riga International to Porto

Looking for a cheap last-minute deal or the best return flight from Riga International Airport to Porto Airport? If you want to travel next month, return fares start from Rs48,714. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Riga International to Porto

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Riga International to Porto flights are currently cheapest in September.

Direct flights from Riga International to Porto

Riga International to Porto: Alternative routes

Compare routes from Riga International to Porto below. You may find an airport to fly into that's cheaper, faster, or easier than Porto.

Riga to Porto: Flight information

The things to know before you go.
Cheapest flight foundRs15,920
Cheapest month to flySeptember
Average flight time4 hrs, 25 mins
Most popular airlineairBaltic
Average flights per week4

Finding cheap flights from Riga International to Porto: Frequently asked questions

The best price we found for a return flight from Riga International to Porto is Rs38,526. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 25 minutes is the average flight time from Riga International to Porto.
airBaltic and TAP Air Portugal fly direct from Riga International to Porto.
As of July 2026, there are 4 flights per week flying from Riga International to Porto.
The cheapest month to fly from Riga International to Porto is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Riga International Airport to Porto Airport on Wednesday, 11 November 2026.
Yes – the average flight time is 4 hours and 25 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Porto but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Porto is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Ryanair and airBaltic offer the cheapest flight tickets to Porto.

Travelling from Riga International Airport (RIX) to Porto Airport (OPO): what you need to know

  • Around 4 hours 25 minutes is how long you can expect to be in the air on a direct flight from Riga International Airport to Porto Airport.

  • Porto's timezone is UTC+0, making Porto two hours behind Riga.

  • Give yourself plenty of time to make your RIX to OPO flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Flying during a peak month like August? School holidays and other popular seasons can lead to longer queues and delays at security. Play it safe and arrive up to four hours ahead of international flights and two hours before a domestic departure.

  • AirBaltic offers direct flights from Riga International Airport to Porto Airport. Book with this popular airline, then get ready to see the sights in Porto — and maybe even more of Portugal if time allows.

  • The majority of passengers choose to travel with airBaltic on this route.

  • AirBaltic is the most punctual carrier that offers RIX to OPO flights, with 75.0% of its services landing on time.

  • Consider adding a stopover when booking your ticket from Riga International Airport to Porto Airport. Just uncheck 'Direct flights only' to break up your journey, or enjoy a detour to a new and interesting place. Here's where you can stop between RIX and OPO:

    • Amsterdam Schiphol Airport

    • London Gatwick Airport

    • Brussels International Airport

How to find the cheapest flights from Riga International Airport (RIX) to Porto Airport (OPO)

  • Rs15,920 is currently the best price for a one-way Riga International Airport to Porto Airport flight. Return flights start from Rs38,526. These fares may change based on availability and demand.

  • Get cheap tickets from RIX to OPO by booking one month ahead. Based on our research, that's the sweet spot for landing a bargain.

  • The cheapest month for flights from Riga International Airport to Porto Airport is June. Use the 'Whole month' tool to see the lowest prices if you have a flexible travel schedule.

  • Never miss a deal on cheap flights from RIX to OPO by creating a Price Alert. You'll receive an email or notification through the app when fares go down.

  • Choose your ideal arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from Riga International Airport to Porto Airport.

Handy information about Riga International Airport (RIX)

  • Of all flights departing from Riga International Airport, 79% arrive on time at their destination.

  • Central Riga to Riga International Airport is around 10 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're driving, ride-sharing or catching a taxi.

  • Planning to catch public transport? Expect a journey time of around 35 minutes.

  • Catching an early flight from Riga International Airport to Porto Airport? Avoid the last-minute rush to the airport (and sneak in some extra precious sleep) by picking one of these stays near RIX:

Arriving at Porto Airport (OPO)

  • The last thing you want is a lengthy trip to your hotel if you're arriving on a late Riga International Airport to Porto Airport flight. Reserve one of these accommodation options near OPO instead:

  • Pick up a Porto Airport rental car and discover Porto and beyond with your own set of wheels. Klass Wagen, Goldcar and Drive & Go are leading providers you can book with here.

  • Reserving your vehicle from Porto Airport about three weeks in advance can help you secure the lowest rate.

When to fly to Porto Airport (OPO)

  • The quietest month for a flight from Riga International Airport to Porto Airport is March, while August is the most popular. Pick the ideal time to visit Porto based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Porto is August, with temperatures ranging between 14ºC and 32ºC. Lock in your flights from Riga International Airport to Porto Airport in this month if you like this kind of weather.

  • January has average temperatures of between 3ºC and 14ºC. Look for cheap tickets from RIX to OPO around that time if you like cooler conditions.

Explore more of Portugal

  • You've seen Porto, now it's time to explore more of Portugal. Travel around 274 kilometres south to Lisbon to check off its popular sights. From Pasteis de Belém to belém and Real Mosteiro de Santa Maria de Belém, there's plenty to keep you busy.

  • Amadora is another essential stop in Portugal and is around 274 kilometres south of Porto. No trip is complete without seeing Roman Villa, Park Fantasia and Palácio dos Condes da Lousã.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.