How long is the flight from Boston to Saint John?

Air Canada can get you from Boston to Saint John in just under 5h 56m. Your travel time can differ by up to . The distance between Boston and Saint John is about 526 km.

In terms of precipitation, rainfall in Saint John ranges from 82.0 - 134.0 mm per month. November is typically the wettest month, when rainfall can reach 134.0 mm. August is typically the driest time to visit Saint John when rainfall is around 82.0 mm.

If weather is an important factor for your trip to Saint John, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -8.0 C).

What is the cheapest time of day to fly from BOS to YSJ?

When flying from Boston to Saint John, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

C$ 792+ Cheap Flights from Boston to Saint John

Cheap flight deals from Boston to St John

Enter your travel dates to find the best prices.

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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 11 September 2026.

Fri 23/104:55 p.m. -

1 stop5h 56m

Fri 30/106:00 p.m. -

1 stop5h 37m

Deal found 8/9C$ 792

Mon 9/1110:25 a.m. -

2 stops11h 59m

Fri 13/115:20 a.m. -

1 stop6h 02m

Deal found 9/9C$ 799

Tue 6/109:55 a.m. -

2 stops12h 20m

Mon 12/1010:45 a.m. -

1 stop23h 20m

Deal found 6/9C$ 897

Mon 12/103:35 p.m. -

2 stops7h 16m

Sat 24/105:00 a.m. -

1 stop5h 55m

Deal found 7/9C$ 922

Thu 15/104:55 p.m. -

1 stop5h 56m

Sat 17/1012:50 p.m. -

1 stop6h 24m

Deal found 9/9C$ 938

Find flight deals from Boston to St John

Round-trip from	C$ 792

Air Canada
23/10-30/10
2 total stops
11h 33m total
Boston to Saint John

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Route

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Price

Cheapest round-trip

Quickest round-trip

BostonSaint John

BOS Boston Logan Intl - YSJ Saint John

BOSYSJ

Boston Logan Intl

Fri 23/10

4:55 p.m.-11:51 p.m.

1 stop5h 56m

Saint John

Fri 30/10

6:00 p.m.-10:37 p.m.

1 stop5h 37m

C$ 792

BostonSaint John

BOS Boston Logan Intl - YSJ Saint John

BOSYSJ

Boston Logan Intl

Mon 9/11

10:25 a.m.-11:24 p.m.

2 stops11h 59m

Saint John

Fri 13/11

5:20 a.m.-10:22 a.m.

1 stop6h 02m

C$ 799

BostonSaint John

BOS Boston Logan Intl - YSJ Saint John

BOSYSJ

Boston Logan Intl

Mon 12/10

3:35 p.m.-11:51 p.m.

2 stops7h 16m

Saint John

Sat 24/10

5:00 a.m.-9:55 a.m.

1 stop5h 55m

C$ 922

BostonSaint John

BOS Boston Logan Intl - YSJ Saint John

BOSYSJ

Boston Logan Intl

Thu 15/10

4:55 p.m.-11:51 p.m.

1 stop5h 56m

Saint John

Sat 17/10

12:50 p.m.-6:14 p.m.

1 stop6h 24m

C$ 938

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/9

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.

BOS-YSJ

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

How long is the flight from Boston to Saint John?
Air Canada can get you from Boston to Saint John in just under 5h 56m. 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.

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Cheap flights from Boston to Saint John from C$ 792

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 23/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Boston to St John

Cheapest flights from Boston to St JohnExplore 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 11 September 2026.

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 11 September 2026.

Best flights from Boston to St JohnDiscover carefully curated flight deals from Boston to St John that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Discover carefully curated flight deals from Boston to St John that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Last-minute flights from Boston to St JohnDiscover last-minute flight deals from Boston to St John. Data last updated 11 September 2026 and is based on user searches.

Discover last-minute flight deals from Boston to St John. Data last updated 11 September 2026 and is based on user searches.

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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.

Related info for your journey

How long is the flight from Boston to Saint John?

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Boston to St John

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Complete your trip

Complete your trip to St John by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to New Brunswick

Book a non-stop flight to one of these other cities located in New Brunswick.

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Find flights from Boston to St John, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Boston and St John flights

Browse other Boston and St John flight options. Last updated on 11 September 2026.

Other flights from Boston

Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on 11 September 2026.

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Other flights to St John

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

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

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

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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 11 September 2026.

Best flights from Boston to St John
Discover carefully curated flight deals from Boston to St John that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Last-minute flights from Boston to St John
Discover last-minute flight deals from Boston to St John. Data last updated 11 September 2026 and is based on user searches.