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Cheap flights from Saint John to Mexico City from C$ 377

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 25/4. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — MEX
11 Apr — 18 Apr1
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 12 March 2026.

Sun 19/45:35 a.m.
YSJ
-
MEX
2 stops44h 35m
United Airlines
Thu 23/44:40 a.m.
MEX
-
YSJ
2 stops27h 35m
United Airlines
Deal found 8/3C$ 836
Sun 19/411:55 a.m.
YSJ
-
MEX
1 stop14h 50m
Air Canada
Wed 22/41:05 a.m.
MEX
-
YSJ
2 stops31h 10m
Air Canada
Deal found 10/3C$ 960
Fri 26/65:00 a.m.
YSJ
-
MEX
2 stops11h 15m
United Airlines
Sun 12/76:30 a.m.
MEX
-
YSJ
2 stops14h 20m
United Airlines
Deal found 9/3C$ 1,085
Fri 26/64:30 p.m.
YSJ
-
MEX
1 stop10h 25m
Air Canada
Sat 11/712:15 a.m.
MEX
-
YSJ
1 stop20h 35m
Air Canada
Deal found 9/3C$ 1,123

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 12 March 2026.

Round-trip from

C$ 836

One-way from

C$ 377
United Airlines
  • United Airlines
  • 19/4-23/4
  • 4 total stops
  • 72h 10m total
  • Saint John to Mexico City
Search Deals
Air Canada
  • Air Canada
  • 25/4
  • 1 total stop
  • 8h 55m total
  • Saint John to Mexico City
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 12 March 2026.
Use the filters below to find and compare flights from Saint John to Mexico City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Saint JohnMexico City

YSJ - MEX

YSJMEX

Saint John

Sun 19/4

5:35 a.m.-1:15 p.m.

2 stops34h 40m

Mexico City Benito Juarez

Thu 23/4

6:30 a.m.-11:15 a.m.

2 stops25h 45m

C$ 836

Saint JohnMexico City

YSJ - MEX

YSJMEX

Saint John

Sun 19/4

11:55 a.m.-11:45 p.m.

1 stop14h 50m

Mexico City Benito Juarez

Wed 22/4

1:05 a.m.-11:15 a.m.

2 stops31h 10m

C$ 960
Quickest round-trip

Saint JohnMexico City

YSJ - MEX

YSJMEX

Saint John

Fri 26/6

5:00 a.m.-1:15 p.m.

2 stops11h 15m

Mexico City Benito Juarez

Sun 12/7

6:30 a.m.-11:50 p.m.

2 stops14h 20m

C$ 1,085

Saint JohnMexico City

YSJ - MEX

YSJMEX

Saint John

Fri 26/6

4:30 p.m.-11:55 p.m.

1 stop10h 25m

Mexico City Benito Juarez

Sat 11/7

12:15 a.m.-11:50 p.m.

1 stop20h 35m

C$ 1,123
Cheapest one-way
Quickest one-way

Saint JohnMexico City

YSJ - MEX

YSJMEX

Saint John

Sat 25/4

5:35 a.m.-11:30 a.m.

1 stop8h 55m

C$ 377

Saint JohnMexico City

YSJ - MEX

YSJMEX

Saint John

Fri 24/4

10:45 a.m.-2:35 a.m.

2 stops18h 50m

C$ 383

Saint JohnMexico City

YSJ - MEX

YSJMEX

Saint John

Fri 24/4

5:35 a.m.-11:30 a.m.

1 stop8h 55m

C$ 406

Saint JohnMexico City

YSJ - MEX

YSJMEX

Saint John

Sat 25/4

5:35 a.m.-5:50 p.m.

2 stops39h 15m

C$ 420

Saint JohnMexico City

YSJ - MEX

YSJMEX

Saint John

Sat 25/4

5:35 a.m.-9:05 a.m.

3 stops30h 30m

C$ 430

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Sorted by cheapest first

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.

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 34h 40m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 4186 km.

  • 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.

See more FAQs

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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

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

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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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