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Cheap flights from Hamilton, ON to Saint John from C$ 249

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 24/6. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — YSJ
29 May — 5 Jun1
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 29 April 2026.

Fri 22/58:50 a.m.
YHM
-
YSJ
1 stop5h 55m
Multiple Airlines
Mon 25/512:00 p.m.
YSJ
-
YHM
1 stop7h 59m
Multiple Airlines
Deal found 26/4C$ 565
Fri 12/68:50 a.m.
YHM
-
YSJ
1 stop5h 55m
Multiple Airlines
Fri 19/611:30 a.m.
YSJ
-
YHM
1 stop9h 09m
Multiple Airlines
Deal found 26/4C$ 576
Wed 10/68:50 a.m.
YHM
-
YSJ
1 stop5h 55m
Multiple Airlines
Wed 17/611:30 a.m.
YSJ
-
YHM
1 stop9h 09m
Multiple Airlines
Deal found 26/4C$ 582
Wed 3/68:50 a.m.
YHM
-
YSJ
1 stop5h 55m
Multiple Airlines
Wed 17/611:30 a.m.
YSJ
-
YHM
1 stop9h 09m
Multiple Airlines
Deal found 28/4C$ 590
Tue 26/51:55 p.m.
YHM
-
YSJ
1 stop24h 50m
Multiple Airlines
Tue 2/612:00 p.m.
YSJ
-
YHM
1 stop7h 59m
Multiple Airlines
Deal found 28/4C$ 609
Wed 12/88:50 a.m.
YHM
-
YSJ
1 stop3h 40m
Multiple Airlines
Mon 17/811:30 a.m.
YSJ
-
YHM
2 stops9h 55m
Multiple Airlines
Deal found 25/4C$ 628
Tue 9/68:50 a.m.
YHM
-
YSJ
1 stop5h 55m
Multiple Airlines
Tue 23/62:00 p.m.
YSJ
-
YHM
1 stop4h 30m
Multiple Airlines
Deal found 28/4C$ 631
Tue 16/68:50 a.m.
YHM
-
YSJ
1 stop3h 40m
Multiple Airlines
Fri 19/611:30 a.m.
YSJ
-
YHM
1 stop9h 09m
Multiple Airlines
Deal found 28/4C$ 635

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 29 April 2026.

Round-trip from

C$ 565

One-way from

C$ 249

Popular in

November

Cheapest in

August

Average price

C$ 429
22/5-25/5
  • 22/5-25/5
  • 2 total stops
  • 13h 54m total
  • Hamilton to Saint John
Search Deals
24/6
  • 24/6
  • 2 total stops
  • 20h 40m total
  • Hamilton to Saint John
Search Deals
Highest demand for flights based on searches. 34% potential increase in price (C$ 471 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 19% potential price decrease (C$ 144 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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 29 April 2026.
Use the filters below to find and compare flights from Hamilton to Saint John that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HamiltonSaint John

YHM - YSJ

YHMYSJ

Hamilton

Fri 22/5

8:50 a.m.-3:45 p.m.

1 stop5h 55m

Saint John

Mon 25/5

12:00 p.m.-6:59 p.m.

1 stop7h 59m

C$ 565

HamiltonSaint John

YHM - YSJ

YHMYSJ

Hamilton

Fri 12/6

8:50 a.m.-3:45 p.m.

1 stop5h 55m

Saint John

Fri 19/6

11:30 a.m.-7:39 p.m.

1 stop9h 09m

C$ 576

HamiltonSaint John

YHM - YSJ

YHMYSJ

Hamilton

Wed 12/8

8:50 a.m.-1:30 p.m.

1 stop3h 40m

Saint John

Wed 19/8

11:30 a.m.-7:39 p.m.

1 stop9h 09m

C$ 642

HamiltonSaint John

YHM - YSJ

YHMYSJ

Hamilton

Wed 8/7

8:50 a.m.-1:30 p.m.

1 stop3h 40m

Saint John

Mon 13/7

11:30 a.m.-8:25 p.m.

2 stops9h 55m

C$ 703

HamiltonSaint John

YHM - YSJ

YHMYSJ

Hamilton

Tue 28/7

8:50 a.m.-1:30 p.m.

1 stop3h 40m

Saint John

Tue 4/8

11:30 a.m.-12:59 p.m.

1 stop26h 29m

C$ 716

HamiltonSaint John

YHM - YSJ

YHMYSJ

Hamilton

Wed 1/7

8:50 a.m.-1:30 p.m.

1 stop3h 40m

Saint John

Wed 8/7

11:30 a.m.-7:39 p.m.

1 stop9h 09m

C$ 768
Quickest round-trip

HamiltonSaint John

YHM - YSJ

YHMYSJ

Hamilton

Tue 4/8

3:50 p.m.-11:15 p.m.

1 stop6h 25m

Saint John

Fri 14/8

2:00 p.m.-5:25 p.m.

1 stop4h 25m

C$ 805

HamiltonSaint John

YHM - YSJ

YHMYSJ

Hamilton

Sat 27/6

3:50 p.m.-11:15 p.m.

1 stop6h 25m

Saint John

Mon 29/6

11:30 a.m.-7:39 p.m.

1 stop9h 09m

C$ 813
Cheapest one-way

HamiltonSaint John

YHM - YSJ

YHMYSJ

Hamilton

Wed 24/6

3:50 p.m.-1:30 p.m.

2 stops20h 40m

C$ 249

HamiltonSaint John

YHM - YSJ

YHMYSJ

Hamilton

Wed 27/5

8:50 a.m.-3:45 p.m.

1 stop5h 55m

C$ 262

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/4

Showing 1-10 of 19 resultsSorted by cheapest first
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

How much does it cost to fly round-trip from Hamilton, Ontario to Saint John?

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 29 April 2026.
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
10,979 reviews
Check prices

Boarding

7.3

Food

6.3

Entertainment

6.8

Overall

7.1

Comfort

7.1

Crew

7.8

Reviews

1 / 20
6.0
Good

Thomas,Apr 2026

YYZ - LHR

Food is sub par. I travel a lot and AC food is not good
Air Canada
7.1
Good
10,979 reviews
Air Canada
7.1
Good
10,979 reviews
Check prices

Boarding

7.3

Food

6.3

Entertainment

6.8

Overall

7.1

Comfort

7.1

Crew

7.8

Reviews

1 / 20
6.0
Good

Thomas,Apr 2026

YYZ - LHR

Food is sub par. I travel a lot and AC food is not good

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$ 337. Air Canada is 47% 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 29 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 337AverageC$ 481FlexibilityNo 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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Why should you use Cheapflights to find cheap flight tickets from Hamilton to St John?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to St John from Hamilton.

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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