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Cheap flights from Saint John to Costa Rica 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 Costa Rica 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

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Find the cheapest flights from Saint John to Costa Rica

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$ 8,097United Airlines
Tue, 30 Jun - Tue, 7 Jul

Air Canada flights from Saint John to Costa Rica

Our best Air Canada deals on Saint John to Costa Rica flight tickets
Air Canada
25 May
YSJ5:35 a.m.Saint John
19h 25m
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$ 1,072
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

United Airlines flights from Saint John to Costa Rica

Our best United Airlines deals on Saint John to Costa Rica 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
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
United Airlines
25 May
YSJ5:35 a.m.Saint John
44h 04m
2 stops
SJO10:39 p.m.San José Juan Santamaria Intl
28 May
SJO12:44 p.m.San José Juan Santamaria Intl
23h 56m
2 stops
YSJ3:40 p.m.Saint John
C$ 1,078

momondo Fare Finder

 
Customize your flight search to find flights from Saint John to Costa Rica 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 Costa Rica 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$ 8,097

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Saint John to Costa Rica flight deals and tips

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

Fastest flight time

36h 49m

Direct flights

None
The fastest flight from Saint John to Costa Rica takes 36h 49m
There are no direct flights from Saint John to Costa Rica. There are no popular flight routes from Saint John to Costa Rica.
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Frequently asked questions about flying from Saint John to Costa Rica

  • When did momondo last update prices for flights from Saint John Airport to Costa Rica?

    Prices for flights from Saint John Airport to Costa Rica are refreshed on a daily basis.

  • How old do you have to be to fly from Saint John Airport to Costa Rica?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Saint John Airport to Costa Rica.

  • What documentation or ID do you need to fly to Costa Rica?

    The required travel and health documents for your Costa Rica trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Costa Rica. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Saint John to Costa Rica

Compare and see reviews for airlines that fly from Saint John to Costa Rica with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 681Free CancellationRating
7.1
11,062 reviews
Search Air Canada flights

Frequently asked questions about flying from Saint John to Costa Rica

  • How do I get Price Alerts for flights from Saint John to Costa Rica?

    Confirm your travel details to search for the latest offers for flights from Saint John to Costa Rica. 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 Costa Rica with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from Saint John to Costa Rica?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Saint John to Costa Rica for you.

Can I find flights from Saint John to Costa Rica with flexible booking policies on momondo?

Flights from Saint John to Costa Rica with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Saint John to Costa Rica?

Once all potential Saint John to Costa Rica flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Saint John to Costa Rica flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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