£81 Cheap Flights from Riga (RIX) to Porto (OPO)

View £81 flight on Sat, 30 May 2026Opens in a new window

Popular airlines from Riga International Airport (RIX) to Porto Airport (OPO)

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Cheap Flights from Riga (RIX) to Porto (OPO)

Prices were available within the past 7 days and start at £81 for one-way flights and £166 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Norwegian Air Sweden
Sat, 30 May - Wed, 3 Jun
RIX
Riga
OPO
Porto
£166 Return, found 2 days ago
£166
Return
found 2 days ago
Select Norwegian Air Sweden flight, departing Sat, 30 May from Riga to Porto, returning Wed, 3 Jun, priced at £166 found 2 days ago
LOT-Polish Airlines
Mon, 1 Mar - Thu, 11 Mar
RIX
Riga
OPO
Porto
£188 Return, found 5 days ago
£188
Return
found 5 days ago
Select LOT-Polish Airlines flight, departing Mon, 1 Mar from Riga to Porto, returning Thu, 11 Mar, priced at £188 found 5 days ago
Norwegian Air Sweden
Sat, 30 May - Wed, 3 Jun
RIX
Riga
OPO
Porto
£192 Return, found 2 days ago
£192
Return
found 2 days ago
Select Norwegian Air Sweden flight, departing Sat, 30 May from Riga to Porto, returning Wed, 3 Jun, priced at £192 found 2 days ago
Scandinavian Airlines
Sat, 20 Jun - Wed, 24 Jun
RIX
Riga
OPO
Porto
£192 Return, found 5 days ago
£192
Return
found 5 days ago
Select Scandinavian Airlines flight, departing Sat, 20 Jun from Riga to Porto, returning Wed, 24 Jun, priced at £192 found 5 days ago
Scandinavian Airlines
Sat, 20 Jun - Wed, 24 Jun
RIX
Riga
OPO
Porto
£197 Return, found 5 days ago
£197
Return
found 5 days ago
Select Scandinavian Airlines flight, departing Sat, 20 Jun from Riga to Porto, returning Wed, 24 Jun, priced at £197 found 5 days ago
Norwegian Air Sweden
Tue, 5 May - Sat, 9 May
RIX
Riga
OPO
Porto
£200 Return, found 6 days ago
£200
Return
found 6 days ago
Select Norwegian Air Sweden flight, departing Tue, 5 May from Riga to Porto, returning Sat, 9 May, priced at £200 found 6 days ago
Scandinavian Airlines
Wed, 17 Jun - Sat, 20 Jun
RIX
Riga
OPO
Porto
£206 Return, found 1 day ago
£206
Return
found 1 day ago
Select Scandinavian Airlines flight, departing Wed, 17 Jun from Riga to Porto, returning Sat, 20 Jun, priced at £206 found 1 day ago
Scandinavian Airlines
Wed, 17 Jun - Sat, 20 Jun
RIX
Riga
OPO
Porto
£207 Return, found 1 day ago
£207
Return
found 1 day ago
Select Scandinavian Airlines flight, departing Wed, 17 Jun from Riga to Porto, returning Sat, 20 Jun, priced at £207 found 1 day ago
Lufthansa
Sat, 30 May - Sat, 13 Jun
RIX
Riga
OPO
Porto
£214 Return, found 3 days ago
£214
Return
found 3 days ago
Select Lufthansa flight, departing Sat, 30 May from Riga to Porto, returning Sat, 13 Jun, priced at £214 found 3 days ago
KLM
Mon, 1 Mar - Thu, 11 Mar
RIX
Riga
OPO
Porto
£246 Return, found 5 days ago
£246
Return
found 5 days ago
Select KLM flight, departing Mon, 1 Mar from Riga to Porto, returning Thu, 11 Mar, priced at £246 found 5 days ago

Alternative airports near Porto

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Dr. Francisco de Sa Carneiro OPO. Cheapest and Closest option available. Average driving time to city centre is 14 minutes. Flights from £259
OPO
Dr. Francisco de Sa Carneiro
CheapestClosest
Average driving time to city centre14 min
Flights from £259

Frequently asked questions

Which airlines fly direct from Riga (RIX-Riga Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
Enter RIX to OPO and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Riga (RIX-Riga Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
To find a cheap flight from Riga (RIX-Riga Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Riga (RIX-Riga Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Riga (RIX-Riga Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
There are approximately 25 connecting flights per day from Riga (RIX-Riga Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro). Some common connection points include Frankfurt Intl. (FRA), Frederic Chopin (WAW), and Schiphol (AMS).
What is the earliest flight from Riga (RIX-Riga Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
The earliest flight from Riga (RIX-Riga Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) typically departs at approximately 2:55 AM local time, operated by A3. This is a seasonal service active in October. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Riga (RIX-Riga Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
A nonstop flight from RIX to OPO typically takes around 4 hours 30 minutes, covering approximately 1,804 miles. Connecting flights on this route usually add 5 hours 20 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Riga (RIX-Riga Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
Select the "Business class" and "First class" filters when looking for RIX to OPO flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Riga (RIX-Riga Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) flight with Expedia?
It's easy to earn miles on a Riga (RIX-Riga Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Porto from Riga Intl. (RIX)?
From Riga Intl. (RIX), you can fly directly into Dr. Francisco de Sa Carneiro (OPO) to reach Porto. Some flights may connect through major hubs like Frankfurt Intl. (FRA), Schiphol (AMS), Franz Josef Strauss Intl. (MUC) before reaching Porto. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Riga (RIX-Riga Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) at the last minute?
Typically, booking a last minute flight from Riga (RIX-Riga Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Riga (RIX-Riga Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) flight and hotel package?
Securing a Riga (RIX-Riga Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Riga (RIX-Riga Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
If you booked your Riga (RIX-Riga Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Riga Intl.
Destination airport
Dr. Francisco de Sa Carneiro
Airlines serving
Air France, Austrian Airlines, British Airways, Brussels Airlines, Finnair, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines
Return price
£165
Distance
2886 km
Average flight time
4 hours 25 mins

Book with confidence

Compare flights from Riga to Porto easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Riga to Porto. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Dr. Francisco de Sa Carneiro in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Riga Intl. to Dr. Francisco de Sa Carneiro.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Riga Intl. (RIX) to Dr. Francisco de Sa Carneiro (OPO)

The easiest way to view the best deals on flights from Riga to Porto today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Riga Intl. to Dr. Francisco de Sa Carneiro start at just £166 and range up to £246.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Riga and Porto
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Riga to Porto flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Riga Intl. to Dr. Francisco de Sa Carneiro for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Riga to Porto easily and book with confidence

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*Available to Expedia members.