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Cheap flights from London, ON to Costa Rica from C$ 349

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — SJO
24 Aug — 31 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap 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 25 July 2026.

Sat 31/109:15 a.m.
YXU
-
SJO
1 stop15h 15m
Air Canada
Wed 4/118:45 a.m.
SJO
-
YXU
1 stop22h 52m
Air Canada
Deal found 20/7C$ 700
Sat 14/115:30 a.m.
YXU
-
SJO
2 stops16h 09m
United Airlines
Sat 21/1111:28 p.m.
SJO
-
YXU
2 stops21h 24m
United Airlines
Deal found 21/7C$ 735
Sat 31/109:15 a.m.
YXU
-
SJO
2 stops37h 24m
United Airlines
Wed 4/111:55 p.m.
SJO
-
YXU
2 stops23h 52m
United Airlines
Deal found 20/7C$ 737
Sat 31/103:25 p.m.
YXU
-
SJO
3 stops46h 20m
Avianca
Wed 4/115:00 a.m.
SJO
-
YXU
2 stops26h 37m
Avianca
Deal found 22/7C$ 869

Find 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 25 July 2026.

Round-trip from

C$ 700

One-way from

C$ 349
Air Canada
  • Air Canada
  • 31/10-4/11
  • 2 total stops
  • 38h 07m total
  • London to Costa Rica
Search Deals
Air Canada
  • Air Canada
  • 5/9
  • 1 total stop
  • 8h 30m total
  • London to Costa Rica
Search Deals

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 25 July 2026.
Use the filters below to find and compare flights from London to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSan José

YXU - SJO

YXUSJO

London

Sat 31/10

9:15 a.m.-10:30 p.m.

1 stop15h 15m

San José Juan Santamaria Intl

Wed 4/11

8:45 a.m.-8:37 a.m.

1 stop22h 52m

C$ 700

LondonSan José

YXU - SJO

YXUSJO

London

Sat 14/11

9:15 a.m.-11:25 a.m.

2 stops27h 10m

San José Juan Santamaria Intl

Sun 22/11

11:28 p.m.-2:47 p.m.

2 stops14h 19m

C$ 735
Quickest round-trip

LondonSan José

YXU - SJO

YXUSJO

London

Sat 14/11

5:30 a.m.-8:39 p.m.

2 stops16h 09m

San José Juan Santamaria Intl

Sat 21/11

11:28 p.m.-9:52 p.m.

2 stops21h 24m

C$ 735

LondonSan José

YXU - SJO

YXUSJO

London

Sat 31/10

9:15 a.m.-8:39 p.m.

2 stops37h 24m

San José Juan Santamaria Intl

Wed 4/11

1:55 p.m.-2:47 p.m.

2 stops23h 52m

C$ 737

LondonSan José

YXU - SJO

YXUSJO

London

Sat 31/10

3:25 p.m.-11:45 a.m.

3 stops46h 20m

San José Juan Santamaria Intl

Wed 4/11

12:40 p.m.-8:37 a.m.

3 stops42h 57m

C$ 896
Cheapest one-way
Quickest one-way

LondonSan José

YXU - SJO

YXUSJO

London

Sat 5/9

3:30 p.m.-10:00 p.m.

1 stop8h 30m

C$ 349

LondonSan José

YXU - SJO

YXUSJO

London

Fri 28/8

10:05 a.m.-11:38 a.m.

2 stops27h 33m

C$ 383

LondonSan José

YXU - SJO

YXUSJO

London

Sun 6/9

5:40 a.m.-7:37 p.m.

2 stops39h 57m

C$ 401

LondonSan José

YXU - SJO

YXUSJO

London

Sat 5/9

6:20 p.m.-7:37 p.m.

2 stops27h 17m

C$ 401

LondonSan José

YXU - SJO

YXUSJO

London

Sat 5/9

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

3 stops32h 05m

C$ 530

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/7

Sorted by cheapest first

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

No data available for this route at this time. Please check back soon.

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 15h 15m. Fly via Air Canada or United Airlines to get the fastest option. London, Ontario and Costa Rica are separated by a distance of 3682 km. This flight may include one or multiple stops.

  • 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.

See more FAQs

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Alternative routes for London to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
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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.

Can Cheapflights notify me if prices for flights from London 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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