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Cheap flights from Saint John to San José from C$ 521

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 14/2. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — SJO
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from St John to San José

Enter your travel dates to find the best prices.

Cheapest flights from St John to San José
Explore the most affordable flight options available from St John to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Fri 12/125:40 a.m.YSJ - SJO
2 stops16h 59mUnited Airlines
Mon 22/122:05 p.m.SJO - YSJ
2 stops47h 28mUnited Airlines
Deal found 9/12C$ 1,063
Fri 12/125:40 a.m.YSJ - SJO
2 stops16h 59mUnited Airlines
Sun 21/126:30 a.m.SJO - YSJ
2 stops31h 03mUnited Airlines
Deal found 9/12C$ 1,345
Fri 12/125:40 a.m.YSJ - SJO
3 stops33h 15mUnited Airlines
Sat 20/1212:35 p.m.SJO - YSJ
2 stops48h 58mUnited Airlines
Deal found 9/12C$ 1,746

Find flight deals from St John to San José

Discover tips and strategies to find the most affordable flight options for your journey from St John (YSJ) to San José (SJO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 December 2025.

Round-trip from

C$ 794

One-way from

C$ 521
United Airlines
  • United Airlines
  • 25/1-1/2
  • 4 total stops
  • 80h 43m total
  • Saint John to San José
Search Deals
United Airlines
  • United Airlines
  • 14/2
  • 2 total stops
  • 30h 24m total
  • Saint John to San José
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St John to San José 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 12 December 2025.
Use the filters below to find and compare flights from Saint John to San José that are best for you.

Fly from

St John

Fly to

San José

Route

Depart

Return

Price

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Sun 25/1

4:15 p.m.-8:39 p.m.

2 stops30h 24m

San José Juan Santamaria Intl

Sun 1/2

6:30 a.m.-10:49 a.m.

2 stops50h 19m

C$ 794

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

2:30 p.m.-3:40 p.m.

2 stops47h 10m

C$ 909

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Sun 25/1

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

1 stop9h 00m

San José Juan Santamaria Intl

Sun 1/2

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

2 stops29h 05m

C$ 1,168

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$ 1,171

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Tue 14/4

11:55 a.m.-10:10 p.m.

1 stop13h 15m

San José Juan Santamaria Intl

Wed 15/4

7:55 a.m.-11:52 p.m.

1 stop12h 57m

C$ 1,179

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Sat 14/2

4:15 p.m.-8:39 p.m.

2 stops30h 24m

C$ 521

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Sat 14/2

5:40 a.m.-11:50 p.m.

1 stop20h 10m

C$ 968

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Best time to book a flight from St John to San José

Have a flexible travel schedule? Discover the best time to fly to San José 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 San José

What is the cheapest month to book a flight from Saint John to San José?

Currently, March is the cheapest month in which you can book a flight from Saint John to San José (average of C$ 829). Flying from Saint John to San José in June is currently the most expensive (average of C$ 1,627). 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 St John to San José. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Saint John to San José?

    For as low as C$ 1,168, United Airlines can have you in San José from Saint John in 9h. The distance between Saint John and San José is about 4297 km. Both multi-stop and direct flights can be found to your destination and back.

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

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

  • How can I find direct flights from St John to San José?

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

  • Can I find deals for business class flights from St John to San José?

    Yes. Cheapflights offers flight deals from St John to San José 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 San José?

    Currently, March is the cheapest month in which you can book a flight from Saint John to San José (average of C$ 829). Flying from Saint John to San José in June is currently the most expensive (average of C$ 1,627). 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

Travelling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Alajuela
Jacó
Heredia
Dominical
Manuel Antonio
Monteverde

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Alternative routes for St John to San José

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 St John to San José?

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Why should you use Cheapflights to find cheap flight tickets from St John to San José?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from St John to San José for you. Better yet — we are completely free to use.

Can Cheapflights find flights from St John to San José with no change fees?

Yes! Cheapflights helps users easily find flights from St John to San José with no change fees.

Can Cheapflights notify me if prices for flights from St John to San José become cheaper?

Of course! You can now track prices for flights from St John to San José and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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