Cheap flights from St Louis to San Jose Costa Rica from £249

from as little as £249

7 nights in San Jose Costa Rica, departing St Louis on 11 / Nov / 2025 with American Airlines (price found 7 hours ago)

Subject to availability, prices correct of the last 24 hours
San Jose Costa Rica

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The St Louis / San Jose Costa Rica route

All 3258 km of it

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San Jose Costa Rica flight facts

What you need to know

Alternative flights from the UK to San Jose Costa Rica

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San Jose Costa Rica

11 / Nov / 2025 is currently the lowest priced day of the year to fly the St Louis/San Jose Costa Rica route. There are around six flights on any given week from the UK to San Jose Costa Rica and the cheapest month to fly right now is November.

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Min / Max Temperature (°C)
LOWEST

14 °C

AVG

20 °C

HIGHEST

26 °C

Rainfall (mm)
LOWEST

0 mm

AVG

145.8 mm

HIGHEST

300 mm

Key facts about San Jose Costa Rica

How to get cheap flights from St Louis to San Jose Costa Rica

Tips and advice from our flight experts

You’ve searched for flights from St Louis to San Jose Costa Rica. six flights go to or via San Jose Costa Rica every week, and we've searched them all to make it easy for you to compare your flight options. On average, American Airlines has the cheapest flights, so look out for them in your search results.

When you fly from St Louis to San Jose Costa Rica, you'll have two airlines to choose from for your 3258 km journey. If you're planning to fly in peak season, make sure you book in advance to get a reasonable price. Or you could hold on and try to get a last-minute bargain.

American Airlines & Alaska Airlines are the most popular airlines for flying from St Louis to San Jose Costa Rica, so look out for their deals and offers. To find the best price, try searching by month. Or, if you want to bag a last-minute offer, keep an eye on Netflights to monitor the prices.

Flights from St Louis to San Jose Costa Rica normally take 12 hrs 30 mins. Make sure you check what refreshments or meals are included, so you can plan your journey. Before you book, why not check out our holiday package and car hire options? We have some hotels close to the airport – handy if you're arriving late at night, or flying back very early.

Other popular destinations near San Jose Costa Rica

Where other people are flying to

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