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Cheap flights from Porto to Riga from £163

OPO — RIX
21 Oct — 28 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Porto to Riga

Enter your travel dates to find the best prices.

Cheapest flights from Porto to Riga

Thu 19/1117:50 -
1 stop19h 30m
Sun 22/1106:30 -
1 stop12h 15m
Deal found 21/9£189
Fri 6/1106:00 -
1 stop6h 00m
Mon 9/1106:05 -
2 stops8h 45m
Deal found 21/9£226
Fri 20/1117:45 -
1 stop15h 05m
Tue 24/1115:55 -
1 stop21h 10m
Deal found 16/9£252
Thu 5/1106:00 -
1 stop6h 00m
Sun 8/1117:00 -
1 stop7h 25m
Deal found 19/9£255
Wed 28/1006:00 -
1 stop6h 00m
Fri 13/1114:40 -
1 stop9h 45m
Deal found 17/9£265
Sat 28/1110:55 -
1 stop29h 05m
Wed 2/1218:55 -
1 stop22h 30m
Deal found 19/9£272
Sat 28/1110:40 -
2 stops34h 05m
Wed 2/1217:00 -
2 stops18h 10m
Deal found 19/9£278
Thu 5/1110:00 -
2 stops10h 45m
Sun 8/1117:00 -
1 stop7h 25m
Deal found 19/9£291
Wed 14/1010:25 -
Nonstop4h 00m
Wed 21/1007:20 -
Nonstop4h 25m
Deal found 17/9£296
Wed 4/1110:55 -
1 stop21h 50m
Tue 10/1111:40 -
1 stop24h 15m
Deal found 19/9£305
Fri 20/1110:55 -
1 stop29h 05m
Tue 24/1118:55 -
1 stop22h 30m
Deal found 20/9£305

Find flight deals from Porto to Riga

Round-trip from

£138

Popular in

January

Cheapest in

March

Average price

£394
Lufthansa
  • Lufthansa
  • 2/3-9/3
  • 2 total stops
  • 15h 45m total
  • Porto to Riga
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£64 potential increase over avg. return price).
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Cheapest flight prices on average. 8% potential price decrease (£19 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Porto to Riga that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

PortoRiga

OPO Porto - RIX Riga Intl

OPORIX

Porto

Sat 12/12

11:25-20:30

1 stop7h 05m

Riga Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£171

PortoRiga

OPO Porto - RIX Riga Intl

OPORIX

Porto

Sat 19/12

11:00-22:25

1 stop9h 25m

Riga Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£178
Fastest return journey

PortoRiga

OPO Porto - RIX Riga Intl

OPORIX

Porto

Wed 14/10

10:25-16:25

Nonstop4h 00m

Riga Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£183

PortoRiga

OPO Porto - RIX Riga Intl

OPORIX

Porto

Thu 19/11

17:50-15:20

1 stop19h 30m

Riga Intl

Sun 22/11

06:30-16:45

1 stop12h 15m

£189

PortoRiga

OPO Porto - RIX Riga Intl

OPORIX

Porto

Sat 16/1

11:25-20:30

1 stop7h 05m

Riga Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£205

PortoRiga

OPO Porto - RIX Riga Intl

OPORIX

Porto

Fri 6/11

11:25-22:45

1 stop9h 20m

Riga Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£205

PortoRiga

OPO Porto - RIX Riga Intl

OPORIX

Porto

Fri 30/10

11:25-22:45

1 stop9h 20m

Riga Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£205

PortoRiga

OPO Porto - RIX Riga Intl

OPORIX

Porto

Thu 10/12

11:00-22:25

1 stop9h 25m

Riga Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£212

PortoRiga

OPO Porto - RIX Riga Intl

OPORIX

Porto

Thu 5/11

12:00-22:25

1 stop8h 25m

Riga Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£212

PortoRiga

OPO Porto - RIX Riga Intl

OPORIX

Porto

Fri 5/2

13:45-22:40

1 stop6h 55m

Riga Intl

Sun 7/2

07:05-12:50

1 stop7h 45m

£231

Flights are sorted by cheapest return flights first.

Deals found on 20/9

Showing 1-10 of 19 resultsSorted by cheapest first
1
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Best time to book a flight from Porto to Riga

Have a flexible travel schedule? Discover the best time to fly to Riga from Porto with our price prediction graph.
Estimated return price

Cheapflights Insights

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

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

Currently, March is the cheapest month in which you can book a flight from Porto to Riga (average of £164). Flying from Porto to Riga in January is currently the most expensive (average of £570). 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 OPO to RIX?

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

How much does it cost for a return flight from Porto to Riga?

Airfare is below average for this route at the moment.

Porto to Riga flights typically cost between £235 and £322 in March.
The cheapest return price found within the last 5 days was £138 on Lufthansa (2 Mar–9 Mar).

Related info for your journey

  • How long is the flight from Porto to Riga?

    There are many flights that can get you from Porto to Riga in 6h 55m. Fly via Scandinavian Airlines or Lufthansa to get the fastest option. The distance from Porto to Riga is about 1803 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Porto to Riga 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 Porto to Riga?

    Currently, March is the cheapest month in which you can book a flight from Porto to Riga (average of £164). Flying from Porto to Riga in January is currently the most expensive (average of £570). 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

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Cheapflights helps you search for flights from Porto to Riga via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Porto to Riga?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Riga from Porto.

Can Cheapflights find flights from Porto to Riga with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Porto to Riga flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Porto to Riga become cheaper?

Yes! Start tracking prices for Porto to Riga flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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