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Cheap flights from Saint John to Cancún

YSJ — CUN
27 Jul — 3 Aug1
1 adult
1 adult, Economy, 0 bags

Best time to book a flight from St John to Cancún

Have a flexible travel schedule? Discover the best time to fly to Cancún 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 Cancún

What’s the top layover airport for flights from Saint John to Cancún?

Share of one-stop round-trip flights from Saint John to Cancún chosen by Cheapflights users in the past 12 months, using the same layover each way.

Montreal (YUL) – chosen by Cheapflights users on 50% of one-stop itineraries from Saint John to Cancún on Cheapflights.

What’s the cheapest layover airport for flights from Saint John to Cancún?

Average round-trip fare for 1-stop flights from Saint John to Cancún, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Montreal (YUL) is the most affordable 1-stop option, with an average round-trip price of C$ 682.

What’s the fastest layover option from Saint John to Cancún?

Shortest average travel time for 1-stop one-way flights from Saint John to Cancún, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 8h 23m.

Which airport typically offers the quickest layover for flights from Saint John to Cancún?

Average layover duration for 1-stop one-way flights from Saint John to Cancún, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 1h 39m.

Reviews of airlines servicing Cancún

Get insights into the airlines that provide service to Cancún. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cancún. Reviews last updated 27 June 2026.
Read reviews from past customers who have flown Air Canada from Saint John to Cancún. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
11,268 reviews
Check prices

Boarding

7.3

Comfort

7.1

Entertainment

6.8

Overall

7.1

Food

6.3

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2026

YUL - LYS

The flight was cancelled. We were rebooked the next day on Air France but had a 12 hour layover in Paris. We lost 1 1/2 days of our vacation.
Air Canada
7.1
Good
11,268 reviews
Air Canada
7.1
Good
11,268 reviews
Check prices

Boarding

7.3

Comfort

7.1

Entertainment

6.8

Overall

7.1

Food

6.3

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2026

YUL - LYS

The flight was cancelled. We were rebooked the next day on Air France but had a 12 hour layover in Paris. We lost 1 1/2 days of our vacation.

Related info for your journey

Find useful and relevant information for your journey from St John to Cancún. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from Saint John to Cancún round-trip?

    According to our current data, Air Canada (C$ 674), offers the cheapest pricing from Saint John to Cancún.

  • Can I find deals for flights from St John to Cancún that include hotel bookings?

    Yes. In addition to deals on St John to Cancún flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St John to Cancún?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St John to Cancún.

  • Can I find deals for business class flights from St John to Cancún?

    Yes. Cheapflights offers flight deals from St John to Cancún 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

Travelling to a place near Cancún?

Book flights to Cancún if you plan to visit one of these locations
Holbox
Puerto Aventuras
Punta Sam

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Alternative routes for St John to Cancún

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

Top airline flying from St John to Cancún

Discover the top airline that operate flights from St John to Cancún. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 27 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 674AverageC$ 795FlexibilityNo cancel feeOn-time67%
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