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Cheap flights from Saint John to Mexico City from C$ 587

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — MEX
26 Feb — 5 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from St John to Mexico City

Enter your travel dates to find the best prices.

Cheapest flights from St John to Mexico City
Explore the most affordable flight options available from St John to Mexico City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 January 2026.

Sat 7/24:15 p.m.
YSJ
-
MEX
2 stops19h 50m
United Airlines
Fri 3/44:40 a.m.
MEX
-
YSJ
2 stops27h 30m
United Airlines
Deal found 26/1C$ 1,109
Sat 7/24:15 p.m.
YSJ
-
MEX
1 stop9h 49m
Air Canada
Fri 3/45:00 a.m.
MEX
-
YSJ
1 stop27h 10m
Air Canada
Deal found 25/1C$ 1,131
Mon 23/34:15 p.m.
YSJ
-
MEX
2 stops24h 05m
United Airlines
Wed 25/32:20 p.m.
MEX
-
YSJ
2 stops46h 20m
United Airlines
Deal found 25/1C$ 1,164
Mon 23/34:15 p.m.
YSJ
-
MEX
1 stop10h 49m
Air Canada
Wed 25/35:00 a.m.
MEX
-
YSJ
1 stop7h 35m
Air Canada
Deal found 25/1C$ 1,334

Find flight deals from St John to Mexico City

Discover tips and strategies to find the most affordable flight options for your journey from St John (YSJ) to Mexico City (MEX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 January 2026.

Round-trip from

C$ 1,109

One-way from

C$ 587

Popular in

December

Cheapest in

May

Average price

C$ 1,238
United Airlines
  • United Airlines
  • 7/2-3/4
  • 4 total stops
  • 47h 20m total
  • Saint John to Mexico City
Search Deals
Air Canada
  • Air Canada
  • 12/3
  • 1 total stop
  • 10h 49m total
  • Saint John to Mexico City
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (C$ 646 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (C$ 137 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St John to Mexico City 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, Cheapflights users made 629,999 searches. Data last updated 27 January 2026.
Use the filters below to find and compare flights from Saint John to Mexico City that are best for you.

Fly from

St John

Fly to

Mexico City

Route

Depart

Return

Price

Saint JohnMexico City

YSJ - MEX

YSJMEX

Saint John

Sat 7/2

4:15 p.m.-12:15 p.m.

2 stops22h 00m

Mexico City Benito Juarez

Fri 3/4

4:40 a.m.-11:10 a.m.

2 stops27h 30m

C$ 1,109

Saint JohnMexico City

YSJ - MEX

YSJMEX

Saint John

Sat 7/2

4:15 p.m.-12:04 a.m.

1 stop9h 49m

Mexico City Benito Juarez

Fri 3/4

5:00 a.m.-11:10 a.m.

1 stop27h 10m

C$ 1,131

Saint JohnMexico City

YSJ - MEX

YSJMEX

Saint John

Mon 23/3

4:15 p.m.-9:05 a.m.

2 stops19h 50m

Mexico City Benito Juarez

Wed 25/3

2:20 p.m.-3:40 p.m.

2 stops46h 20m

C$ 1,164

Saint JohnMexico City

YSJ - MEX

YSJMEX

Saint John

Mon 23/3

4:15 p.m.-12:04 a.m.

1 stop10h 49m

Mexico City Benito Juarez

Wed 25/3

5:00 a.m.-3:35 p.m.

1 stop7h 35m

C$ 1,334

Saint JohnMexico City

YSJ - MEX

YSJMEX

Saint John

Thu 12/3

4:15 p.m.-12:04 a.m.

1 stop10h 49m

C$ 587

Saint JohnMexico City

YSJ - MEX

YSJMEX

Saint John

Thu 12/3

4:15 p.m.-9:10 p.m.

3 stops31h 55m

C$ 655

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/1

Best time to book a flight from St John to Mexico City

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

What is the cheapest month to book a flight from Saint John to Mexico City?

Currently, March is the cheapest month in which you can book a flight from Saint John to Mexico City (average of C$ 657). Flying from Saint John to Mexico City in December is currently the most expensive (average of C$ 1,375). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Saint John to Mexico City?

Reviews of airlines servicing Mexico City

Get insights into the airlines that provide service to Mexico City. 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 Mexico City. Reviews last updated 27 January 2026.
Read through reviews of airlines operating flights from Saint John to Mexico City, such as Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,660 reviews
Check prices

Overall

7.1

Comfort

7.1

Crew

7.8

Food

6.3

Boarding

7.3

Entertainment

6.8

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.
Air Canada
7.1
Good
10,660 reviews
Air Canada
7.1
Good
10,660 reviews
Check prices

Overall

7.1

Comfort

7.1

Crew

7.8

Food

6.3

Boarding

7.3

Entertainment

6.8

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.

Related info for your journey

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

  • How long is the flight from Saint John to Mexico City?

    There are many flights that can get you from Saint John to Mexico City in 9h 49m. Fly via United Airlines or Air Canada to get the fastest option. Airlines will cover a distance of 4186 km. Both multi-stop and direct flights can be found to your destination and back.

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

    According to our current data, Air Canada (C$ 708), offers the cheapest pricing from Saint John to Mexico City. This flight start at 40% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St John to Mexico City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Saint John to Mexico City?

    Currently, March is the cheapest month in which you can book a flight from Saint John to Mexico City (average of C$ 657). Flying from Saint John to Mexico City in December is currently the most expensive (average of C$ 1,375). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St John to Mexico City

See prices for flight routes from nearby airports that may be better suited for you.
Moncton to Mexico City flights

Top airline flying from St John to Mexico City

Discover the top airline that operate flights from St John to Mexico City. 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 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 708AverageC$ 1,107FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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How does Cheapflights help users find flights from St John to Mexico City?

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Why should you use Cheapflights to find cheap flight tickets from St John to Mexico City?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from St John to Mexico City.

Can Cheapflights find flights from St John to Mexico City with no change fees?

Yes, we can. To see specific flights from St John to Mexico City with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from St John to Mexico City become cheaper?

Yes, Cheapflights offers price alerts on St John to Mexico City flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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