131 € Cheap Flights from Porto to Riga International

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Find the cheapest month or even day of the year to fly to Riga International

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Flight deals from Porto to Riga International

Looking for a cheap last-minute deal or the best return flight from Porto Airport to Riga International Airport? If you want to travel next month, return fares start from 167 €. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Porto to Riga International

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

Direct flights from Porto to Riga International

Porto to Riga International: Alternative routes

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

Porto to Riga: Flight information

The things to know before you go.
Cheapest flight found131 €
Cheapest month to flyOctober
Average flight time4 hrs, 2 mins
Most popular airlineairBaltic
Average flights per week4

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

The best price we found for a return flight from Porto to Riga International is 131 €. 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 2 minutes is the average flight time from Porto to Riga International.
airBaltic and TAP Air Portugal fly direct from Porto to Riga International.
As of July 2026, there are 4 flights per week flying from Porto to Riga International.
The cheapest month to fly from Porto to Riga International is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to Riga International Airport on Wednesday, 7 October 2026.
Yes – the average flight time is 4 hours and 2 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 Riga International 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 Riga 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 Riga International.

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

  • The average duration of a direct flight from Porto Airport to Riga International Airport is 4 hours.

  • The timezone in Riga is UTC+2, which is two hours ahead of Porto.

  • Your OPO to RIX 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.

  • During popular months like August, you'll want to get to the airport earlier. Arrive two hours before domestic departures and four hours ahead of international flights whenever you're travelling during a high season in general.

  • AirBaltic is your gateway to exploring Riga (and perhaps some other exciting corners of Latvia!). Browse the direct flights from Porto Airport to Riga International Airport offered by this airline.

  • The airline with the highest passenger demand on this route is airBaltic.

  • AirBaltic is the most punctual carrier that offers OPO to RIX flights. An impressive 87.5% of its services on this route land on time.

  • If you'd like to include a stop along the way, simply uncheck 'Direct flights only' when searching for your ticket from Porto Airport to Riga International Airport. Here are the top stopovers between OPO and RIX:

    • Amsterdam Schiphol Airport

    • Warsaw Chopin Airport

    • Stockholm Arlanda Airport

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

  • The cheapest price we've found for a one-way Porto Airport to Riga International Airport flight is 59 €. A round-trip fare right now is 131 €. Depending on the availability and when you book, these fares could change.

  • To pick up cheap tickets from OPO to RIX, reserve your journey six months before your departure date.

  • November is the cheapest month for flights from Porto Airport to Riga International Airport. If you need to travel during a different time of year, the 'Whole month' tool will show you the lowest airfares across every month.

  • Cut down on the time spent looking for cheap flights from OPO to RIX by setting up a Price Alert. We'll send you an email or notification through the app when fares go down.

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

Handy information about Porto Airport (OPO)

  • When it comes to Porto Airport's on-time performance, data shows 75% of flights complete their journey on time.

  • To reach Porto Airport from central Porto, it takes about 20 minutes if you're travelling by car. Of course, this depends on traffic. It's approximately 11 kilometres from the airport to the city centre.

  • The trip when using public transport takes roughly 30 minutes.

  • Booked an early flight from Porto Airport to Riga International Airport? Avoid the hassle of rushing to the terminal (and sneak in some extra snooze time) by picking one of these stays near OPO:

Arriving at Riga International Airport (RIX)

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

  • Go wherever you want, whenever you want with a Riga International Airport rental car. Pick up a set of wheels from Panek, Green Motion or Carwiz and chase adventure across Riga and beyond.

  • Lock in the best rate by booking your ride from Riga International Airport about four weeks in advance of your trip.

Getting from Riga International Airport (RIX) to central Riga

  • Riga International Airport is approximately 10 kilometres from the centre of Riga. The drive time takes around 20 minutes.

  • It typically takes 35 minutes if you're travelling by public transport.

When to fly to Riga International Airport (RIX)

  • It's time to choose your travel dates for your flight from Porto Airport to Riga International Airport. August is the most popular month to head to Riga. If you like a quieter vibe, go in February.

  • When reserving your flight from Porto Airport to Riga International Airport, think about the type of weather you enjoy. July is the warmest month in Riga, with the temperature ranging from 13ºC (55ºF) to 26ºC (79ºF).

  • Look for cheap tickets from OPO to RIX in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between -12ºC (10ºF) and 4ºC (39ºF) on average.

Explore more of Latvia

  • You've seen Riga, now it's time to explore other parts of Latvia. Journey around 193 kilometres south-east to Daugavpils to check off its popular sights. From St. Alexander Nevsky Orthodox Church to Daugavpils Mark Rothko Art Centre and Daugavpils Fortress, there's plenty to keep you busy.

  • Around 40 kilometres south-west of Riga, Jelgava is another favourite stop in Latvia. Experience this destination's highlights firsthand at Jelgava Palace, Wooden boardwalks at the flood-land meadows of the River Svēte and Jelgavas pils parks.

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