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Cheap flights from Portsmouth to Costa Rica from £1,082

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SJO
29 Jul — 5 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Costa Rica

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Costa Rica
Explore the most affordable flight options available from Portsmouth to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 June 2026.

Sat 11/709:15
SOU
-
SJO
1 stop14h 05m
KLM
Thu 14/107:05
SJO
-
SOU
2 stops27h 55m
KLM
Deal found 28/6£1,082
Sat 11/707:50
SOU
-
SJO
3 stops22h 50m
Multiple Airlines
Thu 14/113:45
SJO
-
SOU
2 stops21h 15m
Multiple Airlines
Deal found 28/6£1,482

Find flight deals from Portsmouth to Costa Rica

Keep the following information in mind while searching for Portsmouth to Costa Rica flight deals. Data was last updated 29 June 2026.

Round-trip from

£1,082

Popular in

December

Cheapest in

September

Average price

£713
KLM
  • KLM
  • 11/7-14/1
  • 3 total stops
  • 42h 00m total
  • Portsmouth to Costa Rica
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£20 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth to Costa Rica 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 29 June 2026.
Use the filters below to find and compare flights from Portsmouth to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SouthamptonSan José

SOU - SJO

SOUSJO

Southampton Eastleigh

Sat 11/7

09:15-16:20

1 stop14h 05m

San José Juan Santamaria Intl

Thu 14/1

07:05-17:00

2 stops27h 55m

£1,082

SouthamptonSan José

SOU - SJO

SOUSJO

Southampton Eastleigh

Sat 11/7

07:50-23:40

3 stops22h 50m

San José Juan Santamaria Intl

Thu 14/1

13:45-17:00

2 stops21h 15m

£1,482

Flights are sorted by cheapest return flights first.

Deals found on 28/6

Sorted by cheapest first

Best time to book a flight from Portsmouth to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica 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 Costa Rica
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Costa Rica

Get insights into the airlines that provide service to Costa Rica. 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 Costa Rica. Reviews last updated 29 June 2026.
Check out reviews from past customers who have flown with KLM from Portsmouth to Costa Rica 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.
KLM
7.8
Good
1,531 reviews
Check prices

Entertainment

7.2

Food

7.3

Boarding

7.8

Overall

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
10.0
Excellent

Bobby,Sept 2025

EDI - ATL

Food was above average but could be better, The flight was operated by Delta and was excellent
KLM
7.8
Good
1,531 reviews
KLM
7.8
Good
1,531 reviews
Check prices

Entertainment

7.2

Food

7.3

Boarding

7.8

Overall

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
10.0
Excellent

Bobby,Sept 2025

EDI - ATL

Food was above average but could be better, The flight was operated by Delta and was excellent

Related info for your journey

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

  • How long is the flight from Portsmouth to Costa Rica?

    A quick flight from Portsmouth to Costa Rica can take about 14h 05m. KLM provides one of the quickest options available for as low as £1,082. There are 5369 mi between Portsmouth and Costa Rica.

  • What are the cheapest flights from Portsmouth to Costa Rica?

    On average you can expect to pay £853 for a flight from Portsmouth to Costa Rica. The cheapest flight overall is £650 while the most popular route, (Southampton Eastleigh - Liberia) is currently priced at £1,332.

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

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

  • How can I find direct flights from Portsmouth to Costa Rica?

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

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

    Yes. Cheapflights offers flight deals from Portsmouth to Costa Rica 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

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Alternative routes for Portsmouth to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to San José flights
Gatwick to San José flights
Heathrow to Panama City flights
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Heathrow to Managua flights
Manchester to Panama City flights
Gatwick to San Salvador flights
London City to Managua flights
Gatwick to Philip S.W.Goldson flights
Heathrow to Liberia flights
London City to San Salvador flights
Edinburgh to Panama City flights
Stansted to San Salvador flights
Gatwick to Liberia flights
Manchester to Managua flights
Edinburgh to San José flights
Birmingham to Panama City flights
Edinburgh to Managua flights
Manchester to Guatemala City flights
Stansted to Managua flights
Gatwick to San Pedro Sula flights
Birmingham to San José flights
Manchester to San Salvador flights
Newcastle upon Tyne to San José flights
Edinburgh to Guatemala City flights
Manchester to Philip S.W.Goldson flights
Heathrow to Coxen Hole flights
Manchester to San Pedro Sula flights
Heathrow to San Pedro Sula flights
Newcastle upon Tyne to Panama City flights
Manchester to Liberia flights
London City to Liberia flights
London City to San Pedro Sula flights
Birmingham to Philip S.W.Goldson flights
Bristol to Guatemala City flights

Top 10 airlines flying from Portsmouth to Costa Rica

Discover the top 10 airlines that operate flights from Portsmouth to Costa Rica. 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 29 June 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£439Average£620FlexibilityNo cancel feeOn-time71%
Search Avianca flights
SWISSCheapest£447Average£687FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air CanadaCheapest£449Average£636FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
JetBlueCheapest£482Average£528FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
LufthansaCheapest£503Average£702FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£511Average£659FlexibilityNo cancel feeOn-time76%
Search Finnair flights
United AirlinesCheapest£518Average£754FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest£523Average£663FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air FranceCheapest£570Average£888FlexibilityNo cancel feeOn-time77%
Search Air France flights
British AirwaysCheapest£600Average£822FlexibilityNo cancel feeOn-time70%
Search British Airways 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 Costa Rica?

Cheapflights helps you search for flights from Portsmouth to Costa Rica 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 Portsmouth to Costa Rica?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Portsmouth to Costa Rica for you. Better yet — we are completely free to use.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portsmouth to Costa Rica, users can toggle the no change fees filter when performing a flight search.

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

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

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