Cheap flights from Riga International to Porto

Compare Riga International to Porto flight deals

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Flight deals from Riga International to Porto

Looking for a cheap last-minute deal or the best round-trip flight from Riga International to Porto? Find the lowest prices on one-way and round-trip 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 October.

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 found$184
Cheapest month to flyOctober
Average flight time4 hrs, 25 mins
Most popular airlineairBaltic
Average flights per week5

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

The best price we found for a round-trip flight from Riga International to Porto is $184. 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, TAP Air Portugal and Carpatair fly direct from Riga International to Porto.
There are 5 flights per week flying from Riga International to Porto, as of June 2025.
The cheapest month to fly from Riga International to Porto is usually October.
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, October 1, 2025.
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.

Traveling 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.

  • The timezone in Porto is UTC+0, which is two hours behind Riga.

  • Your RIX to OPO flight won't wait if you're running late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • You can expect longer lines in popular months like July. Arriving up to four hours in advance for an international flight and two hours for a domestic departure will help ensure a smooth travel experience.

  • Getting to Porto (and then seeing more of Portugal!) is easy with Air Baltic. This popular airline offers direct flights from Riga International Airport to Porto Airport.

  • Most travelers choose to fly with Air Baltic on this route.

  • Think about adding a stopover when booking your ticket from Riga International Airport to Porto Airport. Just uncheck 'Direct flights only' to break up your trip, or visit a new city along the way. Here's where you can stop between RIX and OPO:

    • Brussels Airport

    • London Gatwick Airport

    • Amsterdam Airport Schiphol

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

  • Currently, $71 is the cheapest price we've found for a one-way Riga International Airport to Porto Airport flight. The best price for a return ticket is $184. Bear in mind that fares could change due to demand at the time of booking.

  • Book seven months before traveling. After crunching the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from RIX to OPO.

  • 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 flexible travel dates.

  • You don't need to check back in every day to see if fares have dropped when you create a Price Alert. We'll notify you as soon as there's a new deal on cheap flights from RIX to OPO.

  • Discover the right flight for you by using the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Riga International Airport to Porto Airport, use the 'Sort by' tool. You can also filter by arrival and departure times, airline, and number of stops.

Handy information about Riga International Airport (RIX)

  • When it comes to the on-time performance of Riga International Airport, data shows 71.03% of flights complete their journey on time.

  • Central Riga to Riga International Airport is around 11 kilometers. Depending on traffic, it'll take about 20 minutes to get there if you're catching a cab, ride-sharing or driving.

  • You can expect a trip time of around 50 minutes when using public transport.

  • Booked an early flight from Riga International Airport to Porto Airport? Avoid the stress of rushing to the terminal (and sneak in some extra snooze time) by choosing one of these hotels near RIX:

Arriving at Porto Airport (OPO)

  • The last thing you need is a long journey to your hotel if you're getting in late on a Riga International Airport to Porto Airport flight. Check in to one of these accommodation options near OPO instead:

  • Get on the fast track to adventure by picking up a Porto Airport rental car. Grab a set of wheels from Klass Wagen, Goldcar or Drive & Go and experience the lesser-explored corners of Porto and beyond.

  • To secure the lowest price, reserve your ride from Porto Airport around three weeks in advance.

Getting from Porto Airport (OPO) to central Porto

  • Porto Airport is approximately 16 kilometers from central Porto. Driving there takes about 20 minutes.

  • When traveling on public transport, expect a journey of around 50 minutes.

When to fly to Porto Airport (OPO)

  • August is the busiest month for flights from Riga International Airport to Porto Airport. For smaller crowds, visit Porto in January.

  • The warmest month in Porto is August, with temperatures ranging between 14ºC (57ºF) and 32ºC (90ºF). Book your flights from Riga International Airport to Porto Airport in this month if this is the type of weather you enjoy.

  • January has average temperatures of between 3ºC (37ºF) and 14ºC (57ºF). Look for cheap tickets from RIX to OPO sometime then if you'd rather travel in cooler conditions.

Explore more of Portugal

  • Lisbon is just one of the many places in Portugal waiting to be explored once you've taken in the sights of Porto. Around 274 kilometers away to the south, well-known attractions include Torre de Belem Garden, Estrela At Lisbon - Tram 28 and Archaeological museum of Sao Jorge Castle.

  • If you want to check out another well-known destination in Portugal, consider Amadora, roughly 274 kilometers south of Porto. Jardim Porta do Viveiro Alfragide, Jardim Caracol do Victor Alfragide and Jardim e estatua Eduardo Jorge are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.