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Cheap flights from Portsmouth to Riga from £328

LHR — RIX
18 Oct — 25 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Riga

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Riga

Sat 31/1009:25 -
1 stop5h 55m
Sat 7/1111:50 -
1 stop23h 05m
Deal found 18/9£328
Sat 31/1008:50 -
2 stops35h 25m
Sat 7/1107:40 -
2 stops30h 25m
Deal found 15/9£690
Fri 16/1020:00 -
2 stops15h 40m
Fri 23/1020:05 -
2 stops20h 20m
Deal found 16/9£1,569

Find flight deals from Portsmouth to Riga

Round-trip from

£328

Popular in

July

Cheapest in

February

Average price

£142
KLM
  • KLM
  • 31/10-7/11
  • 2 total stops
  • 29h 00m total
  • Portsmouth to Riga
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Highest demand for flights based on searches. 32% potential increase in price (£59 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£8 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 Portsmouth to Riga that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SouthamptonRiga

SOU Southampton Eastleigh - RIX Riga Intl

SOURIX

Southampton Eastleigh

Sat 31/10

09:25-17:20

1 stop5h 55m

Riga Intl

Sat 7/11

11:50-08:55

1 stop23h 05m

£328

SouthamptonRiga

SOU Southampton Eastleigh - RIX Riga Intl

SOURIX

Southampton Eastleigh

Sat 31/10

08:50-22:15

2 stops35h 25m

Riga Intl

Sat 7/11

07:40-12:05

2 stops30h 25m

£690

Flights are sorted by cheapest return flights first.

Deals found on 18/9

Sorted by cheapest first

Best time to book a flight from Portsmouth to Riga

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

Cheapflights Insights

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

What is the cheapest time of day to fly from P0R to RIX?

When flying from Portsmouth to Riga, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 29% versus a flight in the afternoon.

Related info for your journey

  • What airport do you fly into for flights to Riga from Portsmouth?

    Riga Intl (RIX) is the airport you will fly into if you book a flight from Portsmouth to Riga. You should not have trouble finding flights to Riga Intl from Portsmouth; the airport handles an average of 0 inbound flights from Portsmouth per day. You should also have plenty of airline options to choose from since 9 airlines have flights to the Riga airport from Portsmouth. It is only a 5.4 mi journey from Riga Intl (RIX) to Riga’s city center.

  • How long is the flight from Portsmouth to Riga?

    Departing from Portsmouth to Riga will take you 5h 55m. The distance between Portsmouth and Riga is about 1101 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portsmouth 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 9 airlines flying from Portsmouth to Riga

AirlineCheapestAverageFlexibilityOn-time
NorwegianCheapest£23Average£100FlexibilityNo cancel feeOn-time74%
Search Norwegian flights
RyanairCheapest£49Average£222FlexibilityNo cancel feeOn-timeN/A
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British AirwaysCheapest£95Average£255FlexibilityNo cancel feeOn-time70%
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airBalticCheapest£107Average£232FlexibilityNo cancel feeOn-time87%
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FinnairCheapest£125Average£307FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Scandinavian AirlinesCheapest£150Average£176FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
LufthansaCheapest£158Average£197FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
LOTCheapest£169Average£231FlexibilityNo cancel feeOn-time81%
Search LOT flights
KLMCheapest£223Average£276FlexibilityNo cancel feeOn-time75%
Search KLM flights

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How does Cheapflights help users find flights from Portsmouth to Riga?

When you search for this flight from Portsmouth to Riga, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to Riga from Portsmouth by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from Portsmouth to Riga with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Riga from Portsmouth today and book when prices fit your budget.

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