$169 Cheap Flights from Porto (OPO) to Riga (RIX)

View $169 flight on Wed, Jul 8, 2026Opens in a new window

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

Cheap Flights from Porto to Riga (OPO-RIX)

Prices were available within the past 7 days and start at $169 for one-way flights and $285 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Baltic
Sat, Nov 15 - Sat, Nov 22
OPO
Porto
RIX
Riga
$285 Roundtrip, found 1 hour ago
$285
Roundtrip
found 1 hour ago
Select Air Baltic flight, departing Sat, Nov 15 from Porto to Riga, returning Sat, Nov 22, priced at $285 found 1 hour ago
Lufthansa
Wed, Dec 3 - Fri, Dec 12
OPO
Porto
RIX
Riga
$306 Roundtrip, found 20 hours ago
$306
Roundtrip
found 20 hours ago
Select Lufthansa flight, departing Wed, Dec 3 from Porto to Riga, returning Fri, Dec 12, priced at $306 found 20 hours ago
Lufthansa
Fri, Nov 21 - Mon, Nov 24
OPO
Porto
RIX
Riga
$325 Roundtrip, found 2 days ago
$325
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Fri, Nov 21 from Porto to Riga, returning Mon, Nov 24, priced at $325 found 2 days ago
Lufthansa
Wed, Dec 3 - Fri, Dec 12
OPO
Porto
RIX
Riga
$333 Roundtrip, found 20 hours ago
$333
Roundtrip
found 20 hours ago
Select Lufthansa flight, departing Wed, Dec 3 from Porto to Riga, returning Fri, Dec 12, priced at $333 found 20 hours ago
Scandinavian Airlines
Fri, Nov 21 - Mon, Nov 24
OPO
Porto
RIX
Riga
$340 Roundtrip, found 2 days ago
$340
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Fri, Nov 21 from Porto to Riga, returning Mon, Nov 24, priced at $340 found 2 days ago
Lufthansa
Fri, Nov 21 - Mon, Nov 24
OPO
Porto
RIX
Riga
$342 Roundtrip, found 2 days ago
$342
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Fri, Nov 21 from Porto to Riga, returning Mon, Nov 24, priced at $342 found 2 days ago
Air Baltic
Sat, Nov 15 - Sat, Nov 22
OPO
Porto
RIX
Riga
$349 Roundtrip, found 1 hour ago
$349
Roundtrip
found 1 hour ago
Select Air Baltic flight, departing Sat, Nov 15 from Porto to Riga, returning Sat, Nov 22, priced at $349 found 1 hour ago
Lufthansa
Wed, Dec 3 - Fri, Dec 12
OPO
Porto
RIX
Riga
$350 Roundtrip, found 20 hours ago
$350
Roundtrip
found 20 hours ago
Select Lufthansa flight, departing Wed, Dec 3 from Porto to Riga, returning Fri, Dec 12, priced at $350 found 20 hours ago
Swiss International Air Lines
Fri, Nov 21 - Mon, Nov 24
OPO
Porto
RIX
Riga
$391 Roundtrip, found 2 days ago
$391
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Fri, Nov 21 from Porto to Riga, returning Mon, Nov 24, priced at $391 found 2 days ago
Brussels Airlines
Fri, Nov 21 - Mon, Nov 24
OPO
Porto
RIX
Riga
$405 Roundtrip, found 2 days ago
$405
Roundtrip
found 2 days ago
Select Brussels Airlines flight, departing Fri, Nov 21 from Porto to Riga, returning Mon, Nov 24, priced at $405 found 2 days ago

Frequently asked questions

How much does a flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Riga Intl. Airport (RIX) cost?
Grab a cheap one-way flight from $169 or cheap return flight from $285 from Dr. Francisco de Sa Carneiro Airport (OPO) to Riga Intl. Airport (RIX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Dr. Francisco de Sa Carneiro Airport (OPO) to Riga Intl. Airport (RIX)?
Planning your getaway for November can help you save, as it's the cheapest month for flights between OPO and RIX. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Dr. Francisco de Sa Carneiro Airport (OPO) to Riga Intl. Airport (RIX)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from OPO to RIX. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Dr. Francisco de Sa Carneiro Airport (OPO) to Riga Intl. Airport (RIX)?
You'll need to book a flight with a layover if you're traveling from Dr. Francisco de Sa Carneiro Airport (OPO) to Riga Intl. Airport (RIX). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from OPO to RIX?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary based on a range of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Dr. Francisco de Sa Carneiro Airport (OPO) to Riga Intl. Airport (RIX)?
To touch down at Riga Intl. Airport (RIX) on schedule, select a flight that leaves Dr. Francisco de Sa Carneiro Airport (OPO) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Dr. Francisco de Sa Carneiro Airport (OPO) to Riga Intl. Airport (RIX) last-minute?
Booking your flight from OPO to RIX right before your trip is generally more expensive. But if there's some wiggle room with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book an OPO to RIX flight and hotel package?
You'll generally save money by booking an OPO to RIX flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After choosing your preferred flights and accommodations, consider other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Riga Intl. Airport (RIX)?
Typically, it's possible to reschedule or cancel your OPO to RIX flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

0
Origin airport
Dr. Francisco de Sa Carneiro
Destination airport
Riga Intl.
Airlines serving
British Airways, Brussels Airlines, Finnair, Iberia, LOT-Polish Airlines, Lufthansa, Swiss International Air Lines, TAP Portugal, Turkish Airlines
Roundtrip price
$285
Distance
1804 mi

Book with confidence

Book with confidence

Porto to Riga Flights

The cheapest times to fly from Porto to Riga

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Porto to Riga are during the month of November. You can find some of the cheapest flights from Porto to Riga with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Porto to Riga

Sunday is one of the best days to book for cheap flights from Porto to Riga: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Porto to Riga

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Porto to Riga in 2025. You can also book with separate airlines for your outbound and return journeys, from $169 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Porto to Riga flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Porto to Riga airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Porto to Riga Flights
*Available to One Key members.