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Cheap flights from Saint John to Costa Rica from C$ 466

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — SJO
26 Dec — 2 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from St John to Costa Rica

Keep the following information in mind while searching for St John to Costa Rica flight deals. Data was last updated 26 November 2025.

Round-trip from

C$ 983

One-way from

C$ 466
United Airlines
  • United Airlines
  • 6/2-15/2
  • 4 total stops
  • 80h 02m total
  • Saint John to Costa Rica
Search Deals
United Airlines
  • United Airlines
  • 10/1
  • 2 total stops
  • 22h 41m total
  • Saint John to Costa Rica
Search Deals

Find flight deals from St John to Costa Rica

Enter your travel dates to find the best prices.

Cheapest flights from St John to Costa Rica
Explore the most affordable flight options available from St John to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 November 2025.

Sun 28/124:15 p.m.YSJ - SJO
1 stop9h 00mAir Canada
Sat 3/18:50 a.m.SJO - YSJ
1 stop28h 43mAir Canada
Deal found 25/11C$ 2,744
Sun 28/125:40 a.m.YSJ - SJO
2 stops42h 52mUnited Airlines
Sat 3/111:28 p.m.SJO - YSJ
2 stops33h 11mUnited Airlines
Deal found 25/11C$ 5,504

Cheapflights Fare Finder

 
Customize your flight search to find flights from St John 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 26 November 2025.
Use the filters below to find and compare flights from Saint John to Costa Rica that are best for you.

Fly from

St John

Fly to

Costa Rica

Route

Depart

Return

Price

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Fri 6/2

4:15 p.m.-12:56 p.m.

2 stops46h 41m

San José Juan Santamaria Intl

Sun 15/2

11:28 p.m.-10:49 a.m.

2 stops33h 21m

C$ 983

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Sun 8/2

4:15 p.m.-1:15 p.m.

2 stops23h 00m

San José Juan Santamaria Intl

Sun 15/2

12:35 p.m.-10:49 a.m.

2 stops44h 14m

C$ 985

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Mon 4/5

11:35 a.m.-10:50 p.m.

2 stops38h 15m

San José Juan Santamaria Intl

Wed 6/5

8:00 a.m.-11:50 p.m.

1 stop12h 50m

C$ 1,043

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Fri 6/2

4:15 p.m.-11:15 p.m.

1 stop9h 00m

San José Juan Santamaria Intl

Sun 15/2

8:35 a.m.-3:40 p.m.

2 stops29h 05m

C$ 1,208

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Sun 8/2

4:15 p.m.-12:05 a.m.

2 stops33h 50m

San José Juan Santamaria Intl

Sun 15/2

8:35 a.m.-10:49 a.m.

1 stop24h 14m

C$ 1,491

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Sat 10/1

4:15 p.m.-12:56 p.m.

2 stops22h 41m

C$ 466

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Sat 10/1

11:30 a.m.-12:05 a.m.

1 stop14h 35m

C$ 518

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/11

Best time to book a flight from St John to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from St John 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 Saint John to Costa Rica

What is the cheapest month to book a flight from Saint John to Costa Rica?

Currently, March is the cheapest month in which you can book a flight from Saint John to Costa Rica (average of C$ 854). Flying from Saint John to Costa Rica in June is currently the most expensive (average of C$ 1,665). 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.

Reviews of airlines servicing Costa Rica

Get insights into the airlines that provide service to Costa Rica. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Costa Rica. Reviews last updated 26 November 2025.
Get a feel of what it's like to fly with Air Canada from Saint John to Costa Rica by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,481 reviews
Check prices

Food

6.3

Crew

7.8

Overall

7.1

Boarding

7.3

Entertainment

6.8

Comfort

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍
Air Canada
7.1
Good
10,481 reviews
Air Canada
7.1
Good
10,481 reviews
Check prices

Food

6.3

Crew

7.8

Overall

7.1

Boarding

7.3

Entertainment

6.8

Comfort

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍

Related info for your journey

Find useful and relevant information for your journey from St John 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 Saint John to Costa Rica?

    For a flight from Saint John to Costa Rica, you will be flying from Saint John. Saint John (YSJ) is just 15.1 km from the centre of the city.

  • How long is the flight from Saint John to Costa Rica?

    There are many flights that can get you from Saint John to Costa Rica in 38h 15m. Fly via United Airlines or Air Canada to get the fastest option. The distance between Saint John and Costa Rica is about 4297 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St John 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 Saint John to Costa Rica?

    Currently, March is the cheapest month in which you can book a flight from Saint John to Costa Rica (average of C$ 854). Flying from Saint John to Costa Rica in June is currently the most expensive (average of C$ 1,665). 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

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Alternative routes for St John to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from St John to Costa Rica

Discover the top airline that operate flights from St John to Costa Rica. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 26 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 743AverageC$ 869FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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

Deals for St John to Costa Rica flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from St John to Costa Rica?

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Can Cheapflights find flights from St John to Costa Rica with no change fees?

Yes, we can. To see specific flights from St John to Costa Rica with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from St John to Costa Rica become cheaper?

Yes, Cheapflights offers price alerts on St John to Costa Rica flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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