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Cheap flights from Boston to Saint John from C$ 937

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YSJ
26 Feb — 5 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Boston to St John

Enter your travel dates to find the best prices.

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

Sun 29/35:30 a.m.
BOS
-
YSJ
1 stop4h 50m
Air Canada
Thu 2/411:55 a.m.
YSJ
-
BOS
1 stop3h 57m
Air Canada
Deal found 25/1C$ 937
Fri 22/55:10 a.m.
BOS
-
YSJ
1 stop5h 17m
Air Canada
Wed 27/54:30 p.m.
YSJ
-
BOS
1 stop5h 57m
Air Canada
Deal found 26/1C$ 943
Fri 13/36:15 a.m.
BOS
-
YSJ
2 stops8h 25m
Air Canada
Fri 20/34:15 p.m.
YSJ
-
BOS
1 stop6h 12m
Air Canada
Deal found 27/1C$ 971
Wed 11/36:15 a.m.
BOS
-
YSJ
2 stops8h 20m
Air Canada
Wed 18/34:15 p.m.
YSJ
-
BOS
2 stops7h 22m
Air Canada
Deal found 24/1C$ 1,015
Sat 23/55:10 a.m.
BOS
-
YSJ
2 stops9h 30m
Air Canada
Wed 27/512:20 p.m.
YSJ
-
BOS
2 stops10h 07m
Air Canada
Deal found 26/1C$ 1,086

Find flight deals from Boston to St John

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) 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 27 January 2026.

Round-trip from

C$ 937
Air Canada
  • Air Canada
  • 29/3-2/4
  • 2 total stops
  • 8h 47m total
  • Boston to Saint John
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston 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 27 January 2026.
Use the filters below to find and compare flights from Boston to Saint John that are best for you.

Fly from

Boston

Fly to

St John

Route

Depart

Return

Price

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Wed 11/3

10:15 a.m.-3:35 p.m.

1 stop4h 20m

Saint John

Wed 18/3

4:15 p.m.-7:12 p.m.

1 stop3h 57m

C$ 937

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Sun 29/3

5:30 a.m.-11:20 a.m.

1 stop4h 50m

Saint John

Thu 2/4

11:55 a.m.-2:52 p.m.

1 stop3h 57m

C$ 937

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Fri 22/5

5:10 a.m.-11:27 a.m.

1 stop5h 17m

Saint John

Wed 27/5

4:30 p.m.-9:27 p.m.

1 stop5h 57m

C$ 943

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Sat 23/5

5:10 a.m.-3:40 p.m.

2 stops9h 30m

Saint John

Wed 27/5

4:30 p.m.-9:27 p.m.

1 stop5h 57m

C$ 956

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Fri 13/3

6:15 a.m.-3:40 p.m.

2 stops8h 25m

Saint John

Fri 20/3

4:15 p.m.-9:27 p.m.

1 stop6h 12m

C$ 971

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/1

Best time to book a flight from Boston to St John

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

    Air Canada can get you from Boston to Saint John in just under 4h 20m. Your travel time can differ by up to . The distance between Boston and Saint John is about 526 km.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston 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

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Alternative routes for Boston to St John

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

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Cheapflights makes it easy to find Boston to St John flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Boston to St John flexibly with Cheapflights today.

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

Yes! Start tracking prices for Boston to St John flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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