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Cheap flights from Boston to Saint John from C$ 914

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 13/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YSJ
12 Jul — 19 Jul1
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 12 June 2026.

Thu 13/88:10 p.m.
BOS
-
YSJ
1 stop12h 50m
Multiple Airlines
Thu 20/86:55 a.m.
YSJ
-
BOS
1 stop15h 00m
Multiple Airlines
Deal found 9/6C$ 914
Thu 23/710:40 a.m.
BOS
-
YSJ
1 stop4h 05m
Air Canada
Thu 30/74:40 p.m.
YSJ
-
BOS
1 stop5h 47m
Air Canada
Deal found 10/6C$ 925
Sat 11/710:40 a.m.
BOS
-
YSJ
1 stop4h 05m
Air Canada
Wed 15/712:50 p.m.
YSJ
-
BOS
1 stop6h 32m
Air Canada
Deal found 9/6C$ 942
Fri 24/77:15 p.m.
BOS
-
YSJ
1 stop15h 40m
Air Canada
Fri 31/74:40 p.m.
YSJ
-
BOS
1 stop5h 47m
Air Canada
Deal found 9/6C$ 976
Tue 23/65:00 p.m.
BOS
-
YSJ
1 stop5h 50m
Air Canada
Wed 24/65:40 a.m.
YSJ
-
BOS
1 stop7h 12m
Air Canada
Deal found 7/6C$ 1,004

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 12 June 2026.

Round-trip from

C$ 914

One-way from

C$ 472
13/8-20/8
  • 13/8-20/8
  • 2 total stops
  • 27h 50m total
  • Boston to Saint John
Search Deals
Air Canada
  • Air Canada
  • 15/7
  • 1 total stop
  • 4h 05m 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 12 June 2026.
Use the filters below to find and compare flights from Boston to Saint John that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Thu 23/7

10:40 a.m.-3:45 p.m.

1 stop4h 05m

Saint John

Thu 30/7

4:40 p.m.-9:27 p.m.

1 stop5h 47m

C$ 925

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Thu 13/8

4:45 p.m.-10:00 a.m.

2 stops16h 15m

Saint John

Thu 20/8

6:55 a.m.-8:55 p.m.

1 stop15h 00m

C$ 930

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Sat 11/7

10:40 a.m.-3:45 p.m.

1 stop4h 05m

Saint John

Wed 15/7

12:50 p.m.-6:22 p.m.

1 stop6h 32m

C$ 942

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Fri 24/7

7:30 p.m.-11:15 p.m.

2 stops26h 45m

Saint John

Fri 31/7

10:45 a.m.-6:35 p.m.

1 stop8h 50m

C$ 960

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

Sorted by cheapest first

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 05m. 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

Fly with Cheapflights

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

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?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Boston to St John for you. Better yet — we are completely free to use.

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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