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Cheap flights from Hamilton, ON to Saint John from C$ 321

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 18/2. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — YSJ
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Hamilton to St John

Enter your travel dates to find the best prices.

Cheapest flights from Hamilton to St John
Explore the most affordable flight options available from Hamilton to St John. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Tue 30/127:00 a.m.YHM - YSJ
1 stop7h 45mMultiple Airlines
Mon 5/112:00 p.m.YSJ - YHM
1 stop25h 44mMultiple Airlines
Deal found 11/12C$ 863
Sun 28/123:15 p.m.YHM - YSJ
1 stop23h 30mMultiple Airlines
Tue 30/1212:00 p.m.YSJ - YHM
1 stop25h 44mMultiple Airlines
Deal found 10/12C$ 978
Mon 22/127:00 a.m.YHM - YSJ
1 stop7h 45mMultiple Airlines
Fri 2/112:00 p.m.YSJ - YHM
1 stop25h 44mMultiple Airlines
Deal found 9/12C$ 1,016
Mon 15/127:00 a.m.YHM - YSJ
1 stop7h 45mMultiple Airlines
Fri 19/1212:00 p.m.YSJ - YHM
1 stop25h 44mMultiple Airlines
Deal found 11/12C$ 1,245
Fri 12/127:00 a.m.YHM - YSJ
1 stop7h 45mMultiple Airlines
Wed 17/1212:00 p.m.YSJ - YHM
1 stop25h 44mMultiple Airlines
Deal found 10/12C$ 1,262
Fri 12/127:00 a.m.YHM - YSJ
1 stop7h 45mMultiple Airlines
Fri 19/1212:00 p.m.YSJ - YHM
1 stop25h 44mMultiple Airlines
Deal found 11/12C$ 1,291

Find flight deals from Hamilton to St John

Discover tips and strategies to find the most affordable flight options for your journey from Hamilton (YHM) to St John (YSJ). 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 December 2025.

Round-trip from

C$ 734

One-way from

C$ 321

Popular in

November

Cheapest in

August

Average price

C$ 419
19/1-21/1
  • 19/1-21/1
  • 2 total stops
  • 33h 29m total
  • Hamilton to Saint John
Search Deals
18/2
  • 18/2
  • 1 total stop
  • 7h 45m total
  • Hamilton to Saint John
Search Deals
Highest demand for flights based on searches. 32% potential increase in price (C$ 402 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 16% potential price decrease (C$ 123 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hamilton to St John 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 December 2025.
Use the filters below to find and compare flights from Hamilton to Saint John that are best for you.

Fly from

Hamilton

Fly to

St John

Route

Depart

Return

Price

HamiltonSaint John

YHM - YSJ

YHMYSJ

Hamilton

Mon 19/1

7:00 a.m.-3:45 p.m.

1 stop7h 45m

Saint John

Wed 21/1

12:00 p.m.-12:44 p.m.

1 stop25h 44m

C$ 734

HamiltonSaint John

YHM - YSJ

YHMYSJ

Hamilton

Sun 8/2

3:15 p.m.-3:45 p.m.

1 stop23h 30m

Saint John

Mon 16/2

12:00 p.m.-12:44 p.m.

1 stop25h 44m

C$ 746

HamiltonSaint John

YHM - YSJ

YHMYSJ

Hamilton

Tue 30/12

7:00 a.m.-3:45 p.m.

1 stop7h 45m

Saint John

Mon 5/1

12:00 p.m.-12:44 p.m.

1 stop25h 44m

C$ 863

HamiltonSaint John

YHM - YSJ

YHMYSJ

Hamilton

Sun 28/12

3:15 p.m.-3:45 p.m.

1 stop23h 30m

Saint John

Tue 30/12

12:00 p.m.-12:44 p.m.

1 stop25h 44m

C$ 978

HamiltonSaint John

YHM - YSJ

YHMYSJ

Hamilton

Mon 22/12

7:00 a.m.-3:45 p.m.

1 stop7h 45m

Saint John

Fri 2/1

12:00 p.m.-12:44 p.m.

1 stop25h 44m

C$ 1,016

HamiltonSaint John

YHM - YSJ

YHMYSJ

Hamilton

Wed 18/2

7:00 a.m.-3:45 p.m.

1 stop7h 45m

C$ 321

HamiltonSaint John

YHM - YSJ

YHMYSJ

Hamilton

Wed 24/12

7:00 a.m.-3:45 p.m.

1 stop7h 45m

C$ 348

HamiltonSaint John

YHM - YSJ

YHMYSJ

Hamilton

Fri 26/12

7:00 a.m.-3:45 p.m.

1 stop7h 45m

C$ 407

HamiltonSaint John

YHM - YSJ

YHMYSJ

Hamilton

Tue 16/12

7:00 a.m.-3:45 p.m.

1 stop7h 45m

C$ 536

HamiltonSaint John

YHM - YSJ

YHMYSJ

Hamilton

Thu 18/12

7:00 a.m.-3:45 p.m.

1 stop7h 45m

C$ 574

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 12 results
1
2

Best time to book a flight from Hamilton to St John

Have a flexible travel schedule? Discover the best time to fly to St John from Hamilton 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 Hamilton to Saint John

What is the cheapest month to book a flight from Hamilton, Ontario to Saint John?

Currently, August is the cheapest month in which you can book a flight from Hamilton, Ontario to Saint John (average of C$ 97). Flying from Hamilton, Ontario to Saint John in March is currently the most expensive (average of C$ 335). 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.

Reviews of airlines servicing St John

Get insights into the airlines that provide service to St John. 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 St John. Reviews last updated 12 December 2025.
Check out reviews from past customers who have flown with Air Canada from Hamilton to Saint John to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,516 reviews
Check prices

Entertainment

6.8

Crew

7.8

Boarding

7.3

Overall

7.1

Food

6.3

Comfort

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍
Air Canada
7.1
Good
10,516 reviews
Air Canada
7.1
Good
10,516 reviews
Check prices

Entertainment

6.8

Crew

7.8

Boarding

7.3

Overall

7.1

Food

6.3

Comfort

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍

Related info for your journey

Find useful and relevant information for your journey from Hamilton to St John. 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 Hamilton, Ontario to Saint John round-trip?

    Flying on Air Canada is currently your cheapest option to Saint John, with prices starting at C$ 340. Air Canada is 45% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Hamilton to St John 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 Hamilton, Ontario to Saint John?

    Currently, August is the cheapest month in which you can book a flight from Hamilton, Ontario to Saint John (average of C$ 97). Flying from Hamilton, Ontario to Saint John in March is currently the most expensive (average of C$ 335). 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

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Top airline flying from Hamilton to St John

Discover the top airline that operate flights from Hamilton to St John. 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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 340AverageC$ 504FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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

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

Yes! Cheapflights helps users easily find flights from Hamilton to St John with no change fees.

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

Yes, Cheapflights offers price alerts on Hamilton to St John 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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