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

For as low as C$ 751, Air Canada can have you in San José from Saint John in 37h 25m. The distance between Saint John and San José is about 4297 km.

In terms of precipitation, rainfall in San José ranges from 0.0 - 300.0 mm per month. September is typically the wettest month, when rainfall can reach 300.0 mm. February is typically the driest time to visit San José when rainfall is around 0.0 mm.

If weather is an important factor for your trip to San José, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 18.0 C).

What is the cheapest time of day to fly from YSJ to SJO?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Saint John to San José as you normally would.

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.

C$ 638+ Cheap Flights from Saint John to San José

Cheap flight deals from St John to San José

Enter your travel dates to find the best prices.

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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 21 September 2026.

Tue 17/1111:05 a.m. -

2 stops37h 25m

Thu 19/118:45 a.m. -

1 stop12h 39m

Deal found 16/9C$ 751

Thu 5/1111:05 a.m. -

2 stops34h 48m

Mon 16/1111:28 p.m. -

2 stops32h 51m

Deal found 19/9C$ 1,105

Thu 5/115:20 a.m. -

1 stop19h 10m

Mon 16/119:20 a.m. -

1 stop22h 59m

Deal found 20/9C$ 1,124

Find flight deals from St John to San José

Round-trip from	C$ 751
One-way from	C$ 638

Air Canada
17/11-19/11
3 total stops
50h 04m total
Saint John to San José

Search Deals

United Airlines
5/11-31/12
2 total stops
34h 48m total
Saint John to San José

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Saint John to San José that are best for you.

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Route

Depart

Return

Price

Cheapest round-trip

Saint JohnSan José

YSJ Saint John - SJO San José Juan Santamaria Intl

YSJSJO

Saint John

Thu 5/11

11:05 a.m.-7:53 p.m.

2 stops34h 48m

San José Juan Santamaria Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 638

Quickest round-trip

Saint JohnSan José

YSJ Saint John - SJO San José Juan Santamaria Intl

YSJSJO

Saint John

Thu 5/11

5:20 a.m.-10:30 p.m.

1 stop19h 10m

San José Juan Santamaria Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 698

Saint JohnSan José

YSJ Saint John - SJO San José Juan Santamaria Intl

YSJSJO

Saint John

Tue 17/11

11:05 a.m.-10:30 p.m.

2 stops37h 25m

San José Juan Santamaria Intl

Thu 19/11

8:45 a.m.-11:24 p.m.

1 stop12h 39m

C$ 751

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/9

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.

YSJ-SJO

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.

Related info for your journey

How long is the flight from Saint John to San José?
For as low as C$ 751, Air Canada can have you in San José from Saint John in 37h 25m. 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.

See more FAQs

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Cheap flights from Saint John to San José from C$ 638

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from St John to San José

Cheapest flights from St John to San JoséExplore 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 21 September 2026.

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 21 September 2026.

Best flights from St John to San JoséDiscover carefully curated flight deals from St John to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Discover carefully curated flight deals from St John to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

One-way flights from St John to San JoséSearch for one-way flight options from St John to San José. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.

Search for one-way flight options from St John to San José. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.

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Use the filters below to find and compare flights from Saint John to San José that are best for you.

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.

Related info for your journey

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

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

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

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

Travelling to a place near San José?

Browse thousands of different options on Cheapflights for your next trip

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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.

Complete your trip

Complete your trip to San José by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Costa Rica

Book a non-stop flight to one of these other cities located in Costa Rica.

Search flights from St John to San José by cabin class

Find flights from St John to San José, based on your preferred cabin class, be it economy, premium economy, business, or first class.

St John and San José flights

Browse other St John and San José flight options. Last updated on 21 September 2026.

Other flights from St John

Browse through other flights departing from St John. Flights are based on user searches made on Cheapflights and were last updated on 21 September 2026.

Popular flight searches

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Other flights to San José

Explore flights to San José departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 21 September 2026.

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

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

Can Cheapflights 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?

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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 21 September 2026.

Best flights from St John to San José
Discover carefully curated flight deals from St John to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

One-way flights from St John to San José
Search for one-way flight options from St John to San José. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.