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Cheap flights from London, ON to Costa Rica from C$ 334

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — SJO
1 Jun — 8 Jun1
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 2 May 2026.

Wed 27/56:10 p.m.
YXU
-
SJO
2 stops27h 27m
United Airlines
Tue 2/612:30 a.m.
SJO
-
YXU
2 stops30h 13m
United Airlines
Deal found 29/4C$ 625
Sat 13/66:10 p.m.
YXU
-
SJO
2 stops27h 27m
United Airlines
Fri 19/612:30 a.m.
SJO
-
YXU
2 stops12h 27m
United Airlines
Deal found 29/4C$ 664
Tue 25/810:05 a.m.
YXU
-
SJO
1 stop13h 55m
Multiple Airlines
Mon 31/89:40 a.m.
SJO
-
YXU
2 stops21h 40m
Multiple Airlines
Deal found 27/4C$ 675
Tue 8/910:05 a.m.
YXU
-
SJO
1 stop13h 55m
Air Canada
Fri 11/95:05 a.m.
SJO
-
YXU
2 stops14h 35m
Air Canada
Deal found 29/4C$ 763
Wed 5/810:05 a.m.
YXU
-
SJO
2 stops15h 35m
Multiple Airlines
Tue 11/83:10 p.m.
SJO
-
YXU
2 stops21h 45m
Multiple Airlines
Deal found 29/4C$ 824
Tue 8/910:05 a.m.
YXU
-
SJO
2 stops27h 33m
United Airlines
Fri 11/91:25 p.m.
SJO
-
YXU
3 stops26h 18m
United Airlines
Deal found 29/4C$ 826

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 2 May 2026.

Round-trip from

C$ 625

One-way from

C$ 334
United Airlines
  • United Airlines
  • 27/5-2/6
  • 4 total stops
  • 57h 40m total
  • London to Costa Rica
Search Deals
Air Canada
  • Air Canada
  • 11/6
  • 1 total stop
  • 18h 50m 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 2 May 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

Wed 27/5

6:10 p.m.-7:37 p.m.

2 stops27h 27m

San José Juan Santamaria Intl

Tue 2/6

12:30 a.m.-8:43 a.m.

2 stops30h 13m

C$ 625

LondonSan José

YXU - SJO

YXUSJO

London

Sat 13/6

6:10 p.m.-7:37 p.m.

2 stops27h 27m

San José Juan Santamaria Intl

Fri 19/6

12:30 a.m.-2:57 p.m.

2 stops12h 27m

C$ 664

LondonSan José

YXU - SJO

YXUSJO

London

Tue 25/8

10:05 a.m.-10:00 p.m.

1 stop13h 55m

San José Juan Santamaria Intl

Mon 31/8

9:40 a.m.-9:20 a.m.

2 stops21h 40m

C$ 675
Quickest round-trip

LondonSan José

YXU - SJO

YXUSJO

London

Tue 8/9

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

2 stops20h 00m

San José Juan Santamaria Intl

Fri 11/9

5:05 a.m.-9:40 p.m.

2 stops14h 35m

C$ 764

LondonSan José

YXU - SJO

YXUSJO

London

Wed 5/8

10:05 a.m.-11:40 p.m.

2 stops15h 35m

San José Juan Santamaria Intl

Tue 11/8

3:10 p.m.-2:55 p.m.

2 stops21h 45m

C$ 824

LondonSan José

YXU - SJO

YXUSJO

London

Tue 8/9

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

2 stops27h 33m

San José Juan Santamaria Intl

Fri 11/9

1:25 p.m.-5:43 p.m.

3 stops26h 18m

C$ 826

LondonSan José

YXU - SJO

YXUSJO

London

Tue 22/9

6:20 p.m.-12:21 p.m.

2 stops20h 01m

San José Juan Santamaria Intl

Thu 24/9

12:44 p.m.-5:43 p.m.

2 stops26h 59m

C$ 828
Cheapest one-way

LondonSan José

YXU - SJO

YXUSJO

London

Sun 14/6

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

2 stops27h 33m

C$ 410
Quickest one-way

LondonSan José

YXU - SJO

YXUSJO

London

Thu 11/6

6:10 p.m.-8:45 a.m.

2 stops16h 35m

C$ 422

LondonSan José

YXU - SJO

YXUSJO

London

Mon 15/6

3:30 p.m.-11:38 a.m.

2 stops22h 08m

C$ 430

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/4

Showing 1-10 of 11 resultsSorted by cheapest first
1
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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
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 20h. Fly via United Airlines or Air Canada 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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See prices for flight routes from nearby airports that may be better suited for you.
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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.

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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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