Find flights
When to book
FAQs

Cheap flights from Saint John to San José from C$ 412

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 25/4. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — SJO
12 Apr — 19 Apr1
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 13 March 2026.

Mon 24/812:50 p.m.
YSJ
-
SJO
2 stops13h 50m
Multiple Airlines
Mon 31/83:10 p.m.
SJO
-
YSJ
2 stops17h 45m
Multiple Airlines
Deal found 8/3C$ 886
Mon 4/55:35 a.m.
YSJ
-
SJO
2 stops33h 46m
United Airlines
Wed 6/51:25 p.m.
SJO
-
YSJ
2 stops43h 30m
United Airlines
Deal found 8/3C$ 1,029
Fri 24/45:35 a.m.
YSJ
-
SJO
2 stops21h 05m
Multiple Airlines
Fri 1/55:05 a.m.
SJO
-
YSJ
2 stops15h 47m
Multiple Airlines
Deal found 10/3C$ 1,033
Mon 24/84:30 p.m.
YSJ
-
SJO
2 stops30h 49m
United Airlines
Mon 31/87:55 a.m.
SJO
-
YSJ
3 stops28h 55m
United Airlines
Deal found 8/3C$ 1,101
Mon 4/512:50 p.m.
YSJ
-
SJO
1 stop12h 10m
Air Canada
Wed 6/58:00 a.m.
SJO
-
YSJ
1 stop12h 52m
Air Canada
Deal found 8/3C$ 1,186

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 13 March 2026.

Round-trip from

C$ 886

One-way from

C$ 412
24/8-31/8
  • 24/8-31/8
  • 4 total stops
  • 31h 35m total
  • Saint John to San José
Search Deals
Air Canada
  • Air Canada
  • 25/4
  • 1 total stop
  • 13h 15m 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 13 March 2026.
Use the filters below to find and compare flights from Saint John to San José that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Mon 24/8

12:50 p.m.-11:40 p.m.

2 stops13h 50m

San José Juan Santamaria Intl

Mon 31/8

3:10 p.m.-11:55 a.m.

2 stops17h 45m

C$ 886

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Mon 4/5

5:35 a.m.-12:21 p.m.

2 stops33h 46m

San José Juan Santamaria Intl

Wed 6/5

1:25 p.m.-11:55 a.m.

2 stops43h 30m

C$ 1,029

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Mon 24/8

4:30 p.m.-8:19 p.m.

2 stops30h 49m

San José Juan Santamaria Intl

Mon 31/8

7:55 a.m.-3:50 p.m.

3 stops28h 55m

C$ 1,101

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Mon 4/5

4:30 p.m.-10:00 p.m.

2 stops32h 30m

San José Juan Santamaria Intl

Wed 6/5

8:00 a.m.-11:52 p.m.

1 stop12h 52m

C$ 1,192
Cheapest one-way

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Sat 25/4

5:35 a.m.-8:19 p.m.

2 stops17h 44m

C$ 467

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Sat 25/4

11:55 a.m.-8:19 p.m.

2 stops35h 24m

C$ 478

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Sun 26/4

5:35 a.m.-10:11 a.m.

2 stops55h 36m

C$ 486
Quickest one-way

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Sat 25/4

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

1 stop13h 15m

C$ 1,082

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/3

Sorted by cheapest first

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, October is the cheapest month in which you can book a flight from Saint John to San José (average of C$ 839). Flying from Saint John to San José in June is currently the most expensive (average of C$ 1,605). 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$ 1,029, United Airlines can have you in San José from Saint John in 33h 46m. The distance between Saint John and San José is about 4297 km.

  • 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, October is the cheapest month in which you can book a flight from Saint John to San José (average of C$ 839). Flying from Saint John to San José in June is currently the most expensive (average of C$ 1,605). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St John to San José

See prices for flight routes from nearby airports that may be better suited for you.
Moncton to San José flights
Fredericton to San José flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St John to San José?

Cheapflights helps you search for flights from St John to San José via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.