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Cheap flights from Saint John to San José from C$ 740

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Saint John to San José departing on 12/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Saint John to San José

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:15 p.m. - 11:25 a.m.YSJ-SJO
21h 10m2 stops
United Airlines Logo
2:20 p.m. - 10:59 a.m.SJO-YSJ
42h 39m2 stops
C$ 740United Airlines
Find Deal
Wed, 12 Nov - Wed, 19 Nov
United Airlines Logo
4:15 p.m. - 11:25 a.m.YSJ-SJO
21h 10m2 stops
United Airlines Logo
2:20 p.m. - 10:59 a.m.SJO-YSJ
42h 39m2 stops
C$ 768United Airlines
Find Deal
Wed, 12 Nov - Wed, 19 Nov
United Airlines Logo
6:15 p.m. - 12:26 p.m.YSJ-SJO
45h 11m2 stops
United Airlines Logo
1:30 p.m. - 5:14 p.m.SJO-YSJ
48h 44m2 stops
C$ 908United Airlines
Find Deal
Fri, 3 Apr - Tue, 7 Apr
United Airlines Logo
6:15 p.m. - 10:11 a.m.YSJ-SJO
42h 56m2 stops
United Airlines Logo
1:30 p.m. - 5:14 p.m.SJO-YSJ
48h 44m2 stops
C$ 910United Airlines
Find Deal
Fri, 3 Apr - Tue, 7 Apr
United Airlines Logo
6:15 p.m. - 10:11 a.m.YSJ-SJO
42h 56m2 stops
United Airlines Logo
11:13 a.m. - 5:14 p.m.SJO-YSJ
27h 01m2 stops
C$ 1,054United Airlines
Find Deal
Fri, 3 Apr - Tue, 7 Apr
Air Canada Logo
5:40 a.m. - 9:20 p.m.YSJ-SJO
18h 40m1 stop
Air Canada Logo
8:05 a.m. - 11:20 a.m.SJO-YSJ
24h 15m1 stop
C$ 2,144Air Canada
Find Deal
Fri, 3 Apr - Tue, 7 Apr
Air Canada Logo
5:40 a.m. - 9:20 p.m.YSJ-SJO
18h 40m1 stop
Air Canada Logo
8:05 a.m. - 11:20 a.m.SJO-YSJ
24h 15m1 stop
C$ 2,145Air Canada
Find Deal
Fri, 3 Apr - Tue, 7 Apr
Air Canada Logo
5:40 a.m. - 9:20 p.m.YSJ-SJO
18h 40m1 stop
Air Canada Logo
8:05 a.m. - 11:20 a.m.SJO-YSJ
24h 15m1 stop
C$ 2,150Air Canada
Find Deal
Fri, 3 Apr - Tue, 7 Apr
Air Canada Logo
11:55 a.m. - 9:20 p.m.YSJ-SJO
12h 25m2 stops
Air Canada Logo
8:05 a.m. - 11:20 a.m.SJO-YSJ
24h 15m1 stop
C$ 2,242Air Canada
Find Deal
Fri, 3 Apr - Tue, 7 Apr
Air Canada Logo
11:55 a.m. - 9:20 p.m.YSJ-SJO
12h 25m2 stops
Air Canada Logo
8:05 a.m. - 11:20 a.m.SJO-YSJ
24h 15m1 stop
C$ 2,244Air Canada
Find Deal
Fri, 3 Apr - Tue, 7 Apr

United Airlines flights from Saint John to San José

Our best United Airlines deals on Saint John to San José flight tickets
United Airlines
12 Nov
YSJ4:15 p.m.Saint John
21h 10m
2 stops
SJO11:25 a.m.San José Juan Santamaria Intl
19 Nov
SJO2:20 p.m.San José Juan Santamaria Intl
42h 39m
2 stops
YSJ10:59 a.m.Saint John
C$ 740
Find similar
United Airlines
12 Nov
YSJ4:15 p.m.Saint John
21h 10m
2 stops
SJO11:25 a.m.San José Juan Santamaria Intl
19 Nov
SJO2:20 p.m.San José Juan Santamaria Intl
42h 39m
2 stops
YSJ10:59 a.m.Saint John
C$ 768
Find similar
United Airlines
3 Apr
YSJ6:15 p.m.Saint John
45h 11m
2 stops
SJO12:26 p.m.San José Juan Santamaria Intl
7 Apr
SJO1:30 p.m.San José Juan Santamaria Intl
48h 44m
2 stops
YSJ5:14 p.m.Saint John
C$ 908
Find similar

Air Canada flights from Saint John to San José

Our best Air Canada deals on Saint John to San José flight tickets
Air Canada
3 Apr
YSJ5:40 a.m.Saint John
18h 40m
1 stop
SJO9:20 p.m.San José Juan Santamaria Intl
7 Apr
SJO8:05 a.m.San José Juan Santamaria Intl
24h 15m
1 stop
YSJ11:20 a.m.Saint John
C$ 2,144
Find similar
Air Canada
3 Apr
YSJ5:40 a.m.Saint John
18h 40m
1 stop
SJO9:20 p.m.San José Juan Santamaria Intl
7 Apr
SJO8:05 a.m.San José Juan Santamaria Intl
24h 15m
1 stop
YSJ11:20 a.m.Saint John
C$ 2,145
Find similar
Air Canada
3 Apr
YSJ5:40 a.m.Saint John
18h 40m
1 stop
SJO9:20 p.m.San José Juan Santamaria Intl
7 Apr
SJO8:05 a.m.San José Juan Santamaria Intl
24h 15m
1 stop
YSJ11:20 a.m.Saint John
C$ 2,150
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Saint 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, momondo users made 96,600 searches. Data last updated 16 October 2025.
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

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Wed 12/11

4:15 p.m.-11:25 a.m.

2 stops21h 10m

San José Juan Santamaria Intl

Wed 19/11

2:20 p.m.-10:59 a.m.

2 stops42h 39m

C$ 740

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Wed 12/11

4:15 p.m.-11:25 a.m.

2 stops21h 10m

San José Juan Santamaria Intl

Wed 19/11

2:20 p.m.-10:59 a.m.

2 stops42h 39m

C$ 768

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Fri 3/4

6:15 p.m.-12:26 p.m.

2 stops45h 11m

San José Juan Santamaria Intl

Tue 7/4

1:30 p.m.-5:14 p.m.

2 stops48h 44m

C$ 908

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Fri 3/4

6:15 p.m.-10:11 a.m.

2 stops42h 56m

San José Juan Santamaria Intl

Tue 7/4

1:30 p.m.-5:14 p.m.

2 stops48h 44m

C$ 910

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Fri 3/4

6:15 p.m.-10:11 a.m.

2 stops42h 56m

San José Juan Santamaria Intl

Tue 7/4

11:13 a.m.-5:14 p.m.

2 stops27h 01m

C$ 1,054

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Fri 3/4

5:40 a.m.-9:20 p.m.

1 stop18h 40m

San José Juan Santamaria Intl

Tue 7/4

8:05 a.m.-11:20 a.m.

1 stop24h 15m

C$ 2,144

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Fri 3/4

5:40 a.m.-9:20 p.m.

1 stop18h 40m

San José Juan Santamaria Intl

Tue 7/4

8:05 a.m.-11:20 a.m.

1 stop24h 15m

C$ 2,145

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Fri 3/4

5:40 a.m.-9:20 p.m.

1 stop18h 40m

San José Juan Santamaria Intl

Tue 7/4

8:05 a.m.-11:20 a.m.

1 stop24h 15m

C$ 2,150

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Fri 3/4

11:55 a.m.-9:20 p.m.

2 stops12h 25m

San José Juan Santamaria Intl

Tue 7/4

8:05 a.m.-11:20 a.m.

1 stop24h 15m

C$ 2,242

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Fri 3/4

11:55 a.m.-9:20 p.m.

2 stops12h 25m

San José Juan Santamaria Intl

Tue 7/4

8:05 a.m.-11:20 a.m.

1 stop24h 15m

C$ 2,244

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Saint John to San José

Are you open to changing your travel dates? Check out the ideal times to fly from Saint John to San José according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Saint John to San José (YSJ to SJO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Saint John to San José

Direct flights

None
There are no direct flights from Saint John to San José. There are no popular flight routes from Saint John to San José.
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  • How far is Saint John to San José Juan Santamaria Intl by plane?

    The straight-line distance from Saint John to San José Juan Santamaria Intl is 4287.3 km. A reasonable flight in good conditions will take 12h 25m.

  • When did momondo last update prices for flights from Saint John Airport to San José Juan Santamaria Intl Airport?

    Prices for flights from Saint John Airport to San José Juan Santamaria Intl Airport refresh daily.

  • How old do you have to be to fly from Saint John Airport to San José Juan Santamaria Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Saint John Airport to San José Juan Santamaria Intl Airport.

  • What documentation or ID do you need to fly to San José Juan Santamaria Intl Airport?

    The travel and health documents required for your trip to San José Juan Santamaria Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San José Juan Santamaria Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • How do I get Price Alerts for flights from Saint John to San José?

    Confirm your travel details to search for the latest offers for flights from Saint John to San José. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Saint John to San José with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Travelling to a place near San José?

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

Why use momondo?

Why should I use momondo to find a flight deal from Saint John to San José?

It is quick and easy to find Saint John to San José flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San José that suits you.

Can I find flights from Saint John to San José with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Saint John to San José flights to just show those with flexible booking policies.

How can momondo help me find flights from Saint John to San José?

Once you have performed a search for Saint John to San José flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Saint John to San José right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Saint John to San José flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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