Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Saint John to San José from C$ 987

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 22/9. 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

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
5:40 a.m. - 7:37 p.m.
YSJ
-
SJO
16h 57m
2 stops
United Airlines Logo
7:55 a.m. - 3:49 p.m.
SJO
-
YSJ
52h 54m
2 stops
C$ 987United Airlines
Tue, 22 Sep - Thu, 24 Sep
United Airlines Logo
12:50 p.m. - 10:39 p.m.
YSJ
-
SJO
36h 49m
2 stops
United Airlines Logo
12:30 a.m. - 3:56 p.m.
SJO
-
YSJ
36h 26m
2 stops
C$ 1,045United Airlines
Tue, 30 Jun - Mon, 6 Jul
United Airlines Logo
5:40 a.m. - 7:37 p.m.
YSJ
-
SJO
16h 57m
2 stops
United Airlines Logo
1:25 p.m. - 11:51 p.m.
SJO
-
YSJ
31h 26m
3 stops
C$ 1,291United Airlines
Tue, 22 Sep - Thu, 24 Sep
Multiple Airlines Logo
4:35 p.m. - 8:20 p.m.
YSJ
-
SJO
30h 45m
1 stop
Multiple Airlines Logo
3:10 p.m. - 11:50 p.m.
SJO
-
YSJ
29h 40m
2 stops
C$ 1,354Multiple Airlines
Tue, 30 Jun - Tue, 7 Jul
Air Canada Logo
4:35 p.m. - 8:20 p.m.
YSJ
-
SJO
30h 45m
1 stop
Air Canada Logo
7:10 a.m. - 11:50 p.m.
SJO
-
YSJ
13h 40m
1 stop
C$ 1,512Air Canada
Tue, 30 Jun - Tue, 7 Jul
Air Canada Logo
12:50 p.m. - 10:00 p.m.
YSJ
-
SJO
12h 10m
1 stop
Air Canada Logo
7:55 a.m. - 11:51 p.m.
SJO
-
YSJ
36h 56m
2 stops
C$ 1,622Air Canada
Tue, 22 Sep - Thu, 24 Sep
United Airlines Logo
5:40 a.m. - 7:37 p.m.
YSJ
-
SJO
16h 57m
3 stops
United Airlines Logo
7:15 a.m. - 11:50 p.m.
SJO
-
YSJ
13h 35m
2 stops
C$ 8,099United Airlines
Tue, 30 Jun - Tue, 7 Jul

United Airlines flights from Saint John to San José

Our best United Airlines deals on Saint John to San José flight tickets
United Airlines
25 May
YSJ5:35 a.m.Saint John
44h 04m
2 stops
SJO10:39 p.m.San José Juan Santamaria Intl
27 May
SJO12:30 a.m.San José Juan Santamaria Intl
20h 22m
2 stops
YSJ11:52 p.m.Saint John
C$ 748
United Airlines
22 Sep
YSJ5:40 a.m.Saint John
16h 57m
2 stops
SJO7:37 p.m.San José Juan Santamaria Intl
24 Sep
SJO7:55 a.m.San José Juan Santamaria Intl
52h 54m
2 stops
YSJ3:49 p.m.Saint John
C$ 987
United Airlines
30 Jun
YSJ12:50 p.m.Saint John
36h 49m
2 stops
SJO10:39 p.m.San José Juan Santamaria Intl
6 Jul
SJO12:30 a.m.San José Juan Santamaria Intl
36h 26m
2 stops
YSJ3:56 p.m.Saint John
C$ 1,045

Air Canada flights from Saint John to San José

Our best Air Canada deals on Saint John to San José flight tickets
Air Canada
25 May
YSJ12:50 p.m.Saint John
12h 10m
1 stop
SJO10:00 p.m.San José Juan Santamaria Intl
28 May
SJO5:05 a.m.San José Juan Santamaria Intl
15h 47m
2 stops
YSJ11:52 p.m.Saint John
C$ 1,072
Air Canada
25 May
YSJ12:50 p.m.Saint John
12h 10m
1 stop
SJO10:00 p.m.San José Juan Santamaria Intl
28 May
SJO5:05 a.m.San José Juan Santamaria Intl
27h 52m
2 stops
YSJ11:57 a.m.Saint John
C$ 1,075
Air Canada
30 Jun
YSJ4:35 p.m.Saint John
30h 45m
1 stop
SJO8:20 p.m.San José Juan Santamaria Intl
7 Jul
SJO7:10 a.m.San José Juan Santamaria Intl
13h 40m
1 stop
YSJ11:50 p.m.Saint John
C$ 1,512

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 18 May 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

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Tue 22/9

5:40 a.m.-7:37 p.m.

2 stops16h 57m

San José Juan Santamaria Intl

Thu 24/9

7:55 a.m.-3:49 p.m.

2 stops52h 54m

C$ 987

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Tue 30/6

12:50 p.m.-10:39 p.m.

2 stops36h 49m

San José Juan Santamaria Intl

Mon 6/7

12:30 a.m.-3:56 p.m.

2 stops36h 26m

C$ 1,045

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Tue 22/9

5:40 a.m.-7:37 p.m.

2 stops16h 57m

San José Juan Santamaria Intl

Thu 24/9

1:25 p.m.-11:51 p.m.

3 stops31h 26m

C$ 1,291

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Tue 30/6

4:35 p.m.-8:20 p.m.

1 stop30h 45m

San José Juan Santamaria Intl

Tue 7/7

3:10 p.m.-11:50 p.m.

2 stops29h 40m

C$ 1,354

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Tue 30/6

4:35 p.m.-8:20 p.m.

1 stop30h 45m

San José Juan Santamaria Intl

Tue 7/7

7:10 a.m.-11:50 p.m.

1 stop13h 40m

C$ 1,512

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Tue 22/9

12:50 p.m.-10:00 p.m.

1 stop12h 10m

San José Juan Santamaria Intl

Thu 24/9

7:55 a.m.-11:51 p.m.

2 stops36h 56m

C$ 1,622
Quickest round-trip

Saint JohnSan José

YSJ - SJO

YSJSJO

Saint John

Tue 30/6

5:40 a.m.-7:37 p.m.

3 stops16h 57m

San José Juan Santamaria Intl

Tue 7/7

7:15 a.m.-11:50 p.m.

2 stops13h 35m

C$ 8,099

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

Fastest flight time

36h 49m

Direct flights

None
The fastest flight from Saint John to San José takes 36h 49m
There are no direct flights from Saint John to San José. There are no popular flight routes from Saint John to San José.
Search flight deals

Frequently asked questions about flying from Saint John to San José

  • 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 36h 49m.

  • 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.

Frequently asked questions about flying from Saint John to San José

  • 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
Dominical
Heredia
Santa Elena
Alajuela
San Gerardo de Dota

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.

An easier way to manage your San José trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 17/6
Wed 24/6
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Costa Rica

Airports servicing Costa Rica

Liberia Airport