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Cheap flights from Portsmouth to Riga from £135

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — RIX
14 joulu — 21 joulu1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Riga

Keep the following information in mind while searching for Portsmouth to Riga flight deals. Data was last updated 14 marraskuu 2025.

Round-trip from

£391

One-way from

£135

Popular in

August

Cheapest in

March

Average price

£91
KLM
  • KLM
  • 9/3-11/3
  • 2 total stops
  • 13h 35m total
  • Portsmouth to Riga
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25/12
  • 25/12
  • 2 total stops
  • 20h 55m total
  • Portsmouth to Riga
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£32 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Find flight deals from Portsmouth to Riga

Enter your travel dates to find the best prices.

Best flights from Portsmouth to Riga
Discover carefully curated flight deals from Portsmouth to Riga that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 marraskuu 2025.

ma 9/308:50SOU - RIX
1 stop6h 25mKLM
ke 11/311:50RIX - SOU
1 stop7h 10mKLM
Deal found 12/11£391

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth to Riga that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 14 marraskuu 2025.
Use the filters below to find and compare flights from Portsmouth to Riga that are best for you.

Fly from

Portsmouth

Fly to

Riga

Route

Depart

Return

Price

SouthamptonRiga

SOU - RIX

SOURIX

Southampton Eastleigh

ma 9/3

08:50-17:15

1 stop6h 25m

Riga Intl

ke 11/3

11:50-17:00

1 stop7h 10m

£391

SouthamptonRiga

SOU - RIX

SOURIX

Southampton Eastleigh

to 25/12

14:15-13:10

2 stops20h 55m

£135

SouthamptonRiga

SOU - RIX

SOURIX

Southampton Eastleigh

pe 2/1

17:05-22:25

1 stop27h 20m

£214

SouthamptonRiga

SOU - RIX

SOURIX

Southampton Eastleigh

ma 8/12

18:05-16:45

3 stops20h 40m

£365

SouthamptonRiga

SOU - RIX

SOURIX

Southampton Eastleigh

ma 15/12

18:05-16:45

3 stops20h 40m

£365

SouthamptonRiga

SOU - RIX

SOURIX

Southampton Eastleigh

to 18/12

19:55-14:50

2 stops16h 55m

£495

Flights are sorted by cheapest return flights first.

Deals found on 13/11

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
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 Portsmouth to Riga

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

Currently, February is the cheapest month in which you can book a flight from Portsmouth to Riga (average of £26). Flying from Portsmouth to Riga in July is currently the most expensive (average of £118). 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 P0R to RIX?

Find hourly flight availability from Portsmouth to Riga. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 marraskuu 2025.

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 26% versus a flight in the morning.

What is the cheapest day to fly from Portsmouth to Riga?

Use this chart to determine the cheapest time to fly return from Portsmouth to Riga. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Portsmouth to Riga flight should consider departing on Sunday mornings when fares are most often at their lowest. Wednesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

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

  • 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 8 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 6h 25m. The distance between Portsmouth and Riga is about 1101 mi.

  • What are the most reliable airlines from Portsmouth to Riga?

    Before booking your flight to Riga from Portsmouth, check out the most reliable airlines to get you to your destination on time: American Airlines (74%), airBaltic (74%), British Airways( 74%).

  • What are the cheapest flights from Portsmouth to Riga?

    On average you can expect to pay £137 for a flight from Portsmouth to Riga. The cheapest flight overall is £61 while the most popular route, (Southampton Eastleigh - Riga Intl) is currently priced at £391.

  • 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.

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

    Currently, February is the cheapest month in which you can book a flight from Portsmouth to Riga (average of £26). Flying from Portsmouth to Riga in July is currently the most expensive (average of £118). 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

Travelling to a place near Riga?

Book flights to Riga if you plan to visit one of these locations
Jūrmala

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Top 8 airlines flying from Portsmouth to Riga

Discover the top 8 airlines that operate flights from Portsmouth to Riga. 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 858,174 searches. Data last updated 14 marraskuu 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£49Average£211FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
NorwegianCheapest£69Average£125FlexibilityNo cancel feeOn-time74%
Search Norwegian flights
airBalticCheapest£79Average£180FlexibilityNo cancel feeOn-time87%
Search airBaltic flights
British AirwaysCheapest£82Average£233FlexibilityNo cancel feeOn-time70%
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FinnairCheapest£127Average£211FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£137Average£180FlexibilityNo cancel feeOn-time76%
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LOTCheapest£156Average£197FlexibilityNo cancel feeOn-time81%
Search LOT flights
KLMCheapest£173Average£223FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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