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Cheap flights from Southampton to Costa Rica from £735

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — SJO
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Southampton to Costa Rica

Keep the following information in mind while searching for Southampton to Costa Rica flight deals. Data was last updated 17 September 2025.

Round-trip from

£735

Popular in

December

Cheapest in

October

Average price

£604
KLM
  • KLM
  • 7/12-21/12
  • 3 total stops
  • 59h 25m total
  • Southampton to Costa Rica
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£44 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Southampton to Costa Rica

Cheapest flights from Southampton to Costa Rica
Explore the most affordable flight options available from Southampton to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Sun 7/1218:05SOU - SJO
2 stops29h 45mKLM
Sun 21/1220:30SJO - SOU
1 stop29h 40mKLM
Deal found 14/9£735
Thu 25/909:20SOU - SJO
2 stops33h 48mKLM
Mon 29/913:35SJO - SOU
2 stops36h 10mKLM
Deal found 13/9£779
Sun 7/1209:30SOU - SJO
1 stop14h 55mKLM
Mon 22/1220:30SJO - SOU
1 stop29h 40mKLM
Deal found 16/9£840
Thu 25/909:20SOU - LIR
2 stops57h 40mKLM
Mon 29/913:25LIR - SOU
2 stops36h 20mKLM
Deal found 15/9£2,777

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton 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 17 September 2025.
Use the filters below to find and compare flights from Southampton to Costa Rica that are best for you.

Fly from

Southampton

Fly to

Costa Rica

Route

Depart

Return

Price

SouthamptonSan José

SOU - SJO

SOUSJO

Southampton Eastleigh

Sun 7/12

18:05-17:50

2 stops29h 45m

San José Juan Santamaria Intl

Sun 21/12

20:30-08:10

1 stop29h 40m

£735

SouthamptonSan José

SOU - SJO

SOUSJO

Southampton Eastleigh

Sun 7/12

09:30-18:25

1 stop14h 55m

San José Juan Santamaria Intl

Mon 22/12

20:30-08:10

1 stop29h 40m

£840

SouthamptonSan José

SOU - SJO

SOUSJO

Southampton Eastleigh

Sat 11/10

09:20-11:58

2 stops57h 38m

£5,323

SouthamptonSan José

SOU - SJO

SOUSJO

Southampton Eastleigh

Fri 17/10

09:20-11:58

2 stops57h 38m

£5,323

SouthamptonSan José

SOU - SJO

SOUSJO

Southampton Eastleigh

Mon 13/10

17:35-11:58

2 stops49h 23m

£5,323

SouthamptonSan José

SOU - SJO

SOUSJO

Southampton Eastleigh

Wed 15/10

09:20-11:58

2 stops57h 38m

£5,323

SouthamptonSan José

SOU - SJO

SOUSJO

Southampton Eastleigh

Thu 16/10

09:20-11:58

2 stops33h 38m

£5,323

SouthamptonSan José

SOU - SJO

SOUSJO

Southampton Eastleigh

Sun 12/10

09:20-11:58

2 stops33h 38m

£5,323

SouthamptonSan José

SOU - SJO

SOUSJO

Southampton Eastleigh

Tue 14/10

17:35-11:58

2 stops49h 23m

£5,323

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Best time to book a flight from Southampton to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Southampton 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 Southampton to Costa Rica

What is the cheapest month to book a flight from Southampton to Costa Rica?

Currently, October is the cheapest month in which you can book a flight from Southampton to Costa Rica (average of £769). Flying from Southampton to Costa Rica in December is currently the most expensive (average of £1,101). 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.

Related info for your journey

Find useful and relevant information for your journey from Southampton to Costa Rica. 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 from for flights from Southampton to Costa Rica?

    For a flight from Southampton to Costa Rica, you will be flying from Eastleigh. Southampton Eastleigh (SOU) is just 3.5 mi from the center of the city.

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

    For as low as £735, KLM can have you in Costa Rica from Southampton in 29h 45m. The distance between Southampton and Costa Rica is about 5369 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Southampton 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.

  • What is the cheapest month to book a flight from Southampton to Costa Rica?

    Currently, October is the cheapest month in which you can book a flight from Southampton to Costa Rica (average of £769). Flying from Southampton to Costa Rica in December is currently the most expensive (average of £1,101). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Southampton 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
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Heathrow to Liberia flights
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Gatwick to San Salvador flights
London City to Liberia flights
London City to San Salvador flights
Manchester to Panama City flights
Gatwick to Liberia flights
Manchester to Philip S.W.Goldson flights
Edinburgh to Guatemala City flights
Heathrow to San Pedro Sula flights
London City to San Pedro Sula flights
Gatwick to San Pedro Sula flights
Gatwick to Philip S.W.Goldson flights
Birmingham to Guatemala City flights
Southampton to San José flights
Leeds to San José flights
Edinburgh to Panama City flights
Edinburgh to Managua flights
Birmingham to San José flights
Stansted to Guatemala City flights
Newcastle upon Tyne to Panama City flights
Birmingham to Panama City flights
Birmingham to Philip S.W.Goldson flights
Newcastle upon Tyne to San José flights
Leeds to Panama City flights
Heathrow to Coxen Hole flights
Edinburgh to Liberia flights
Edinburgh to Philip S.W.Goldson flights
Leeds to Managua flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Southampton to Costa Rica?

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

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

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

Yes! Cheapflights helps users easily find flights from Southampton to Costa Rica with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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