Cheap Flights from Riga International to Porto

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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 Airport to Porto Airport? If you want to travel next month, round-trip fares start from $175. Find the lowest prices on one-way and round-trip tickets right here.

Porto.$138 per passenger.Departing Mon, Sep 28, returning Tue, Oct 6.Round-trip flight with Ryanair.Outbound indirect flight with Ryanair, departing from Riga International on Mon, Sep 28, arriving in Porto.Inbound indirect flight with Ryanair, departing from Porto on Tue, Oct 6, arriving in Riga International.Price includes taxes and charges.From $138, select.

Porto.$144 per passenger.Departing Thu, Nov 5, returning Mon, Nov 16.Round-trip flight with Ryanair and Wizz Air Malta.Outbound indirect flight with Ryanair, departing from Riga International on Thu, Nov 5, arriving in Porto.Inbound indirect flight with Wizz Air Malta, departing from Porto on Mon, Nov 16, arriving in Riga International.Price includes taxes and charges.From $144, select.

Porto.$144 per passenger.Departing Wed, Dec 2, returning Wed, Dec 16.Round-trip flight with Ryanair and Wizz Air Malta.Outbound indirect flight with Ryanair, departing from Riga International on Wed, Dec 2, arriving in Porto.Inbound indirect flight with Wizz Air Malta, departing from Porto on Wed, Dec 16, arriving in Riga International.Price includes taxes and charges.From $144, select.

Porto.$144 per passenger.Departing Wed, Oct 28, returning Fri, Nov 6.Round-trip flight with Ryanair and Wizz Air Malta.Outbound indirect flight with Ryanair, departing from Riga International on Wed, Oct 28, arriving in Porto.Inbound indirect flight with Wizz Air Malta, departing from Porto on Fri, Nov 6, arriving in Riga International.Price includes taxes and charges.From $144, select.

Porto.$157 per passenger.Departing Tue, Sep 15, returning Fri, Sep 25.Round-trip flight with Ryanair.Outbound indirect flight with Ryanair, departing from Riga International on Tue, Sep 15, arriving in Porto.Inbound indirect flight with Ryanair, departing from Porto on Fri, Sep 25, arriving in Riga International.Price includes taxes and charges.From $157, select.

Porto.$168 per passenger.Departing Wed, Aug 26, returning Wed, Sep 9.Round-trip flight with Ryanair.Outbound indirect flight with Ryanair, departing from Riga International on Wed, Aug 26, arriving in Porto.Inbound indirect flight with Ryanair, departing from Porto on Wed, Sep 9, arriving in Riga International.Price includes taxes and charges.From $168, select.

Porto.$169 per passenger.Departing Wed, Oct 14, returning Wed, Oct 21.Round-trip flight with Ryanair.Outbound indirect flight with Ryanair, departing from Riga International on Wed, Oct 14, arriving in Porto.Inbound indirect flight with Ryanair, departing from Porto on Wed, Oct 21, arriving in Riga International.Price includes taxes and charges.From $169, select.

Porto.$175 per passenger.Departing Tue, Aug 25, returning Sat, Aug 29.Round-trip flight with Ryanair.Outbound indirect flight with Ryanair, departing from Riga International on Tue, Aug 25, arriving in Porto.Inbound indirect flight with Ryanair, departing from Porto on Sat, Aug 29, arriving in Riga International.Price includes taxes and charges.From $175, select.

Porto.$176 per passenger.Departing Mon, Sep 28, returning Tue, Dec 1.Round-trip flight with Ryanair.Outbound indirect flight with Ryanair, departing from Riga International on Mon, Sep 28, arriving in Porto.Inbound indirect flight with Ryanair, departing from Porto on Tue, Dec 1, arriving in Riga International.Price includes taxes and charges.From $176, select.

Porto.$189 per passenger.Departing Mon, Nov 9, returning Thu, Dec 17.Round-trip flight with Ryanair.Outbound indirect flight with Ryanair, departing from Riga International on Mon, Nov 9, arriving in Porto.Inbound indirect flight with Ryanair, departing from Porto on Thu, Dec 17, arriving in Riga International.Price includes taxes and charges.From $189, select.

Porto.$196 per passenger.Departing Sat, Jan 9, returning Tue, Jan 12.Round-trip flight with Ryanair and LOT.Outbound indirect flight with Ryanair, departing from Riga International on Sat, Jan 9, arriving in Porto.Inbound indirect flight with LOT, departing from Porto on Tue, Jan 12, arriving in Riga International.Price includes taxes and charges.From $196, select.

Porto.$197 per passenger.Departing Wed, Jul 29, returning Tue, Sep 8.Round-trip flight with Norwegian Air Sweden and Ryanair.Outbound indirect flight with Norwegian Air Sweden, departing from Riga International on Wed, Jul 29, arriving in Porto.Inbound indirect flight with Ryanair, departing from Porto on Tue, Sep 8, arriving in Riga International.Price includes taxes and charges.From $197, select.

Porto.$198 per passenger.Departing Sat, Jan 23, returning Sun, Feb 7.Round-trip flight with Ryanair and Wizz Air Malta.Outbound indirect flight with Ryanair, departing from Riga International on Sat, Jan 23, arriving in Porto.Inbound indirect flight with Wizz Air Malta, departing from Porto on Sun, Feb 7, arriving in Riga International.Price includes taxes and charges.From $198, select.

Porto.$206 per passenger.Departing Mon, Jul 27, returning Sat, Aug 22.Round-trip flight with Ryanair and Norwegian Air Sweden.Outbound indirect flight with Ryanair, departing from Riga International on Mon, Jul 27, arriving in Porto.Inbound indirect flight with Norwegian Air Sweden, departing from Porto on Sat, Aug 22, arriving in Riga International.Price includes taxes and charges.From $206, select.

Porto.$230 per passenger.Departing Sat, Mar 13, returning Fri, Mar 19.Round-trip flight with Ryanair and LOT.Outbound indirect flight with Ryanair, departing from Riga International on Sat, Mar 13, arriving in Porto.Inbound indirect flight with LOT, departing from Porto on Fri, Mar 19, arriving in Riga International.Price includes taxes and charges.From $230, select.

Porto.$239 per passenger.Departing Fri, Feb 5, returning Mon, Feb 8.Round-trip flight with Ryanair.Outbound indirect flight with Ryanair, departing from Riga International on Fri, Feb 5, arriving in Porto.Inbound indirect flight with Ryanair, departing from Porto on Mon, Feb 8, arriving in Riga International.Price includes taxes and charges.From $239, select.

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 November.

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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	$138
Cheapest month to fly	September
Average flight time	4 hrs, 25 mins
Most popular airline	airBaltic
Average flights per week	4

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

How much are round-trip flights from Riga International to Porto?

The best price we found for a round-trip flight from Riga International to Porto is $138. 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.

How long does it take to fly from Riga International to Porto?

4 hours and 25 minutes is the average flight time from Riga International to Porto.

Which airlines fly direct from Riga International to Porto?

airBaltic and TAP Air Portugal fly direct from Riga International to Porto.

How many flights are there a week from Riga International to Porto?

There are 4 flights per week flying from Riga International to Porto, as of July 2026.

When is the cheapest time to fly from Riga International to Porto?

The cheapest month to fly from Riga International to Porto is usually September.

Which upcoming date is cheapest to fly from Riga International Airport to Porto Airport on?

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 Monday, September 28, 2026.

Can I get a direct flight from Riga International Airport to Porto Airport?

Yes – the average flight time is 4 hours and 25 minutes.

How can I find the best flight deal to Porto?

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.

When is the best time to book flights to Porto?

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.

Which is the cheapest airline to fly with from Riga International Airport to Porto?

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.
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)

$57 is currently the best price for a one-way Riga International Airport to Porto Airport flight. Return flights start from $138. 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 kilometers. Depending on traffic, it'll take about 20 minutes to get there if you're driving, ride-sharing or catching a cab.
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.

Getting from Porto Airport (OPO) to central Porto

Porto Airport to central Porto has a drive time of around 20 minutes. It's approximately 11 kilometers away.
Traveling to the center by public transport takes roughly 30 minutes.

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 (57ºF) and 32ºC (90ºF). 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 (37ºF) and 14ºC (57ºF). 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 kilometers 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 kilometers south of Porto. No trip is complete without seeing Roman Villa, Park Fantasia and Palácio dos Condes da Lousã.