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Cheap flights from London, ON to Costa Rica from C$ 319

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 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — SJO
15 Jun — 22 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 16 May 2026.

Tue 22/93:30 p.m.
YXU
-
SJO
1 stop8h 30m
Air Canada
Fri 25/97:10 a.m.
SJO
-
YXU
1 stop24h 10m
Air Canada
Deal found 12/5C$ 784
Tue 22/95:40 a.m.
YXU
-
SJO
2 stops31h 58m
United Airlines
Fri 25/912:44 p.m.
SJO
-
YXU
2 stops24h 11m
United Airlines
Deal found 12/5C$ 836
Wed 23/95:40 a.m.
YXU
-
SJO
2 stops20h 00m
Avianca
Thu 24/95:05 a.m.
SJO
-
YXU
2 stops26h 15m
Avianca
Deal found 15/5C$ 851
Tue 22/96:20 p.m.
YXU
-
SJO
3 stops43h 25m
Avianca
Fri 25/95:05 a.m.
SJO
-
YXU
2 stops31h 50m
Avianca
Deal found 12/5C$ 892

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 16 May 2026.

Round-trip from

C$ 784

One-way from

C$ 319
Air Canada
  • Air Canada
  • 22/9-25/9
  • 2 total stops
  • 42h 30m total
  • London to Costa Rica
Search Deals
Air Canada
  • Air Canada
  • 14/6
  • 1 total stop
  • 29h 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 16 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

Tue 22/9

5:40 a.m.-10:00 p.m.

1 stop18h 20m

San José Juan Santamaria Intl

Fri 25/9

7:10 a.m.-9:20 a.m.

1 stop24h 10m

C$ 784
Quickest round-trip

LondonSan José

YXU - SJO

YXUSJO

London

Tue 22/9

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

2 stops15h 57m

San José Juan Santamaria Intl

Fri 25/9

12:44 p.m.-2:55 p.m.

2 stops24h 11m

C$ 836

LondonSan José

YXU - SJO

YXUSJO

London

Thu 1/10

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

2 stops20h 01m

San José Juan Santamaria Intl

Tue 13/10

1:25 p.m.-2:55 p.m.

2 stops23h 30m

C$ 837

LondonSan José

YXU - SJO

YXUSJO

London

Wed 23/9

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

2 stops20h 00m

San José Juan Santamaria Intl

Thu 24/9

5:05 a.m.-9:20 a.m.

2 stops26h 15m

C$ 851

LondonSan José

YXU - SJO

YXUSJO

London

Tue 22/9

6:20 p.m.-11:45 a.m.

3 stops43h 25m

San José Juan Santamaria Intl

Fri 25/9

5:05 a.m.-2:55 p.m.

2 stops31h 50m

C$ 892
Cheapest one-way

LondonSan José

YXU - SJO

YXUSJO

London

Sun 28/6

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

2 stops19h 29m

C$ 414

LondonSan José

YXU - SJO

YXUSJO

London

Fri 26/6

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

2 stops19h 29m

C$ 461

LondonSan José

YXU - SJO

YXUSJO

London

Thu 25/6

3:30 p.m.-10:39 p.m.

2 stops33h 09m

C$ 461

LondonSan José

YXU - SJO

YXUSJO

London

Sun 14/6

2:40 p.m.-10:05 p.m.

3 stops33h 25m

C$ 465
Quickest one-way

LondonSan José

YXU - SJO

YXUSJO

London

Mon 29/6

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

1 stop13h 55m

C$ 612

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/5

Showing 1-10 of 14 resultsSorted by cheapest first
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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 15h 57m. 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

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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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