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Cheap flights from London, ON to Costa Rica from C$ 354

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 28/2. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — SJO
14 Feb — 21 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Costa Rica

Keep the following information in mind while searching for London to Costa Rica flight deals. Data was last updated 15 January 2026.

Round-trip from

C$ 682

One-way from

C$ 354
United Airlines
  • United Airlines
  • 14/4-16/4
  • 4 total stops
  • 58h 51m total
  • London to Costa Rica
Search Deals
United Airlines
  • United Airlines
  • 28/2
  • 2 total stops
  • 20h 15m total
  • London to Costa Rica
Search Deals

Find flight deals from London to Costa Rica

Enter your travel dates to find the best prices.

Cheapest flights from London to Costa Rica
Explore the most affordable flight options available from London to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 January 2026.

Tue 14/45:10 a.m.
YXU
-
SJO
2 stops31h 01m
United Airlines
Thu 16/411:13 a.m.
SJO
-
YXU
2 stops27h 50m
United Airlines
Deal found 14/1C$ 682
Sat 21/25:10 a.m.
YXU
-
SJO
2 stops40h 29m
United Airlines
Sat 7/32:20 p.m.
SJO
-
YXU
2 stops24h 45m
United Airlines
Deal found 14/1C$ 838
Tue 10/29:25 a.m.
YXU
-
SJO
2 stops11h 28m
United Airlines
Thu 19/22:20 p.m.
SJO
-
YXU
2 stops30h 01m
United Airlines
Deal found 14/1C$ 1,008
Tue 14/45:40 p.m.
YXU
-
SJO
3 stops44h 05m
Avianca
Thu 16/47:45 p.m.
SJO
-
YXU
2 stops34h 58m
Avianca
Deal found 13/1C$ 1,049
Sat 21/25:40 p.m.
YXU
-
SJO
2 stops30h 35m
Air Canada
Sat 7/38:35 a.m.
SJO
-
YXU
1 stop7h 30m
Air Canada
Deal found 15/1C$ 1,185
Wed 14/15:40 p.m.
YXU
-
SJO
2 stops54h 35m
Air Canada
Wed 4/38:50 a.m.
SJO
-
YXU
2 stops35h 31m
Air Canada
Deal found 14/1C$ 1,399

Cheapflights Fare Finder

 
Customize your flight search to find flights from London 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 629,999 searches. Data last updated 15 January 2026.
Use the filters below to find and compare flights from London to Costa Rica that are best for you.

Fly from

London

Fly to

Costa Rica

Route

Depart

Return

Price

LondonSan José

YXU - SJO

YXUSJO

London

Tue 14/4

5:10 a.m.-10:11 a.m.

2 stops31h 01m

San José Juan Santamaria Intl

Thu 16/4

11:13 a.m.-5:03 p.m.

2 stops27h 50m

C$ 682

LondonSan José

YXU - SJO

YXUSJO

London

Sat 21/2

5:10 a.m.-8:39 p.m.

2 stops40h 29m

San José Juan Santamaria Intl

Sat 7/3

2:20 p.m.-4:05 p.m.

2 stops24h 45m

C$ 838

LondonSan José

YXU - SJO

YXUSJO

London

Sat 28/2

5:40 p.m.-12:55 p.m.

2 stops20h 15m

San José Juan Santamaria Intl

Sat 7/3

8:45 a.m.-4:05 p.m.

2 stops30h 20m

C$ 838

LondonSan José

YXU - SJO

YXUSJO

London

Tue 10/2

9:25 a.m.-7:53 p.m.

2 stops11h 28m

San José Juan Santamaria Intl

Thu 19/2

2:20 p.m.-9:21 p.m.

2 stops30h 01m

C$ 1,008

LondonSan José

YXU - SJO

YXUSJO

London

Tue 14/4

5:40 p.m.-11:45 a.m.

3 stops44h 05m

San José Juan Santamaria Intl

Thu 16/4

7:45 p.m.-8:43 a.m.

2 stops34h 58m

C$ 1,049

LondonSan José

YXU - SJO

YXUSJO

London

Sat 21/2

5:40 p.m.-11:15 p.m.

2 stops30h 35m

San José Juan Santamaria Intl

Sat 7/3

8:35 a.m.-5:05 p.m.

1 stop7h 30m

C$ 1,185

LondonSan José

YXU - SJO

YXUSJO

London

Sat 28/2

5:40 p.m.-12:55 p.m.

2 stops20h 15m

C$ 354

LondonSan José

YXU - SJO

YXUSJO

London

Mon 30/3

5:40 p.m.-10:11 a.m.

2 stops42h 31m

C$ 354

LondonSan José

YXU - SJO

YXUSJO

London

Sat 28/3

5:10 a.m.-10:11 a.m.

2 stops31h 01m

C$ 354

LondonSan José

YXU - SJO

YXUSJO

London

Sun 22/3

5:40 p.m.-9:32 p.m.

3 stops53h 52m

C$ 356

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/1

Showing 1-10 of 14 results
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Best time to book a flight from London to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from London with our price prediction graph.
Estimated round-trip 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 London to Costa Rica

What is the cheapest month to book a flight from London, Ontario to Costa Rica?

Currently, September is the cheapest month in which you can book a flight from London, Ontario to Costa Rica (average of C$ 186). Flying from London, Ontario to Costa Rica in August is currently the most expensive (average of C$ 417). 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 London 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 London to Costa Rica?

    If you book a flight to Costa Rica from London, you will be flying from London, which is the city’s only airport. London (YXU) is located 8.6 km from the centre of London.

  • How long is the flight from London, Ontario to Costa Rica?

    There are many flights that can get you from London, Ontario to Costa Rica in 31h 01m. Fly via United Airlines to get the fastest option. London, Ontario and Costa Rica are separated by a distance of 3682 km.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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 London, Ontario to Costa Rica?

    Currently, September is the cheapest month in which you can book a flight from London, Ontario to Costa Rica (average of C$ 186). Flying from London, Ontario to Costa Rica in August is currently the most expensive (average of C$ 417). 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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Fly with Cheapflights

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

When you search for this flight from London to Costa Rica, 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 London to Costa Rica?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Costa Rica from London.

Can Cheapflights find flights from London 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 London to Costa Rica, users can toggle the no change fees filter when performing a flight search.

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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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