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

RIX — OPO
Jun 17 — Jun 241
Wed 6/17
Wed 6/24
1 adult, Economy
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Find flight deals from Riga to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Riga (RIX) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

July

Cheapest in

May

Average price

$178
Provider with most accurate pricing for Riga Intl-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Riga Intl-Porto flights.
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Highest demand for flights based on searches. 27% potential increase in price ($123 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in May 2026
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  • Most accurate provider: When it comes to deals on Riga-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Riga-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Riga-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Riga-Porto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Riga-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Riga to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Riga with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Riga to Porto

How far ahead should I book a flight from Riga to Porto?

To ensure you get the cheapest price possible for a flight from Riga to Porto, you should look to book at least 86 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Riga to Porto?

Currently, May is the cheapest month in which you can book a flight from Riga to Porto (average of $178). Flying from Riga to Porto in July is currently the most expensive (average of $497). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from RIX to OPO?

Find hourly flight availability from Riga to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 18, 2026.

When flying from Riga to Porto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated May 18, 2026.
Peruse reviews from past customers who have flown with TAP AIR PORTUGAL,Ryanair, andLufthansa from Riga to Porto to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
TAP AIR PORTUGAL
7.2
Good
2,252 reviews

Food

6.2

Overall

7.2

Comfort

7.1

Crew

7.8

Entertainment

6.3

Boarding

7.0

Reviews

1 / 20
10.0
Excellent

Melanie,May 2026

ORD - LIS

Seat was comfortable. Food was really good. Service from crew was great. They were really nice and solicitous.
TAP AIR PORTUGAL
7.2
Good
2,252 reviews
TAP AIR PORTUGAL
7.2
Good
2,252 reviews

Food

6.2

Overall

7.2

Comfort

7.1

Crew

7.8

Entertainment

6.3

Boarding

7.0

Reviews

1 / 20
10.0
Excellent

Melanie,May 2026

ORD - LIS

Seat was comfortable. Food was really good. Service from crew was great. They were really nice and solicitous.
Ryanair
6.9
Okay
5,375 reviews
TAP AIR PORTUGAL
7.2
Good
2,252 reviews

Food

6.2

Overall

7.2

Comfort

7.1

Crew

7.8

Entertainment

6.3

Boarding

7.0

Reviews

1 / 20
10.0
Excellent

Melanie,May 2026

ORD - LIS

Seat was comfortable. Food was really good. Service from crew was great. They were really nice and solicitous.
Lufthansa
6.8
Okay
8,009 reviews
TAP AIR PORTUGAL
7.2
Good
2,252 reviews

Food

6.2

Overall

7.2

Comfort

7.1

Crew

7.8

Entertainment

6.3

Boarding

7.0

Reviews

1 / 20
10.0
Excellent

Melanie,May 2026

ORD - LIS

Seat was comfortable. Food was really good. Service from crew was great. They were really nice and solicitous.

Related info for your journey

Find useful and relevant information for your journey from Riga to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Riga to Porto round-trip?

    Currently priced at $182, Ryanair will fly you from Riga to Porto and back. In addition to Ryanair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Lufthansa and TAP AIR PORTUGAL - these airlines can fly you to your destination from $270 and $447, respectively. Ryanair is currently priced 44% below the average price you’ll pay for this route.

  • Can I find deals for flights from Riga to Porto that include hotel bookings?

    Yes. In addition to deals on Riga to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Riga to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Riga to Porto.

  • Can I find deals for business class flights from Riga to Porto?

    Yes. Cheapflights offers flight deals from Riga to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Riga to Porto?

    Currently, May is the cheapest month in which you can book a flight from Riga to Porto (average of $178). Flying from Riga to Porto in July is currently the most expensive (average of $497). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Aveiro
Arcos de Valdevez
Coimbra

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Complete your trip to Porto by adding a car rental and/or hotel reservation to your travel itinerary.
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Top 3 airlines flying from Riga to Porto

Discover the top 3 airlines that operate flights from Riga to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest$182Average$299FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$270Average$446FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$447Average$449FlexibilityNo cancel feeOn-timeN/A

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