How long is the flight from Saint John to Boston?

Airlines like Air Canada fly from Saint John to Boston in about 4h 48m. The time it takes to get you to your destination can typically vary by up to . The distance from Saint John to Boston is about 526 km.

In terms of precipitation, rainfall in Boston ranges from 78.0 - 101.0 mm per month. March is typically the wettest month, when rainfall can reach 101.0 mm. July is typically the driest time to visit Boston when rainfall is around 78.0 mm.

If weather is an important factor for your trip to Boston, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

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

When flying from Saint John to Boston, 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 St John to Boston that include hotel bookings?

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

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

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

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

Yes. Cheapflights offers flight deals from St John to Boston 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$ 352+ Cheap Flights from Saint John to Boston

Cheap flight deals from St John to Boston

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from St John to Boston
Explore the most affordable flight options available from St John to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 September 2026.

Tue 8/1211:05 a.m. -

1 stop4h 48m

Thu 10/125:30 a.m. -

1 stop3h 55m

Deal found 5/9C$ 768

Wed 21/104:40 p.m. -

1 stop5h 46m

Wed 28/105:30 a.m. -

1 stop3h 55m

Deal found 5/9C$ 778

Thu 22/104:40 p.m. -

1 stop5h 46m

Thu 29/105:30 a.m. -

1 stop3h 55m

Deal found 7/9C$ 920

Find flight deals from St John to Boston

Round-trip from	C$ 768
One-way from	C$ 352

Air Canada
8/12-10/12
2 total stops
8h 43m total
Saint John to Boston

Search Deals

16/10-31/12
1 total stop
23h 20m total
Saint John to Boston

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Wed 23/9

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

1 stop5h 55m

Boston Logan Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 420

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Fri 16/10

10:45 a.m.-3:57 p.m.

2 stops30h 12m

Boston Logan Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 424

Quickest round-trip

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Sat 3/10

4:40 p.m.-9:26 p.m.

1 stop5h 46m

Boston Logan Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 424

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Tue 6/10

4:40 p.m.-9:26 p.m.

1 stop5h 46m

Boston Logan Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 531

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Sat 3/10

6:55 a.m.-10:58 a.m.

3 stops29h 03m

Boston Logan Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 738

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Tue 8/12

11:05 a.m.-2:53 p.m.

1 stop4h 48m

Boston Logan Intl

Thu 10/12

5:30 a.m.-10:25 a.m.

1 stop3h 55m

C$ 768

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Wed 21/10

4:40 p.m.-9:26 p.m.

1 stop5h 46m

Boston Logan Intl

Wed 28/10

5:30 a.m.-10:25 a.m.

1 stop3h 55m

C$ 778

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Wed 23/9

6:55 a.m.-3:50 p.m.

3 stops33h 55m

Boston Logan Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 814

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Tue 8/12

11:05 a.m.-6:38 p.m.

2 stops8h 33m

Boston Logan Intl

Thu 10/12

6:00 a.m.-5:19 p.m.

2 stops10h 19m

C$ 933

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 St John to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from St John with our price prediction graph.

YSJ-BOS

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 Saint John to Boston?
Airlines like Air Canada fly from Saint John to Boston in about 4h 48m. The time it takes to get you to your destination can typically vary by up to . The distance from Saint John to Boston is about 526 km.
Can I find deals for flights from St John to Boston that include hotel bookings?
Yes. In addition to deals on St John to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St John to Boston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St John to Boston.
Can I find deals for business class flights from St John to Boston?
Yes. Cheapflights offers flight deals from St John to Boston 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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Cheap flights from Saint John to Boston from C$ 352

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 16/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from St John to Boston

Cheapest flights from St John to BostonExplore the most affordable flight options available from St John to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 September 2026.

Explore the most affordable flight options available from St John to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 September 2026.

Best flights from St John to BostonDiscover carefully curated flight deals from St John to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 8 September 2026.

Discover carefully curated flight deals from St John to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 8 September 2026.

Last-minute flights from St John to BostonDiscover last-minute flight deals from St John to Boston. Data last updated 8 September 2026 and is based on user searches.

Discover last-minute flight deals from St John to Boston. Data last updated 8 September 2026 and is based on user searches.

One-way flights from St John to BostonSearch for one-way flight options from St John to Boston. Find affordable one-way fares based on user searches. Data last updated 8 September 2026.

Search for one-way flight options from St John to Boston. Find affordable one-way fares based on user searches. Data last updated 8 September 2026.

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Best time to book a flight from St John to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from St John with our price prediction graph.

Related info for your journey

How long is the flight from Saint John to Boston?

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

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

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

Travelling to a place near Boston?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St John to Boston

See prices for flight routes from nearby airports that may be better suited for you.

Other flights to Boston

Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 8 September 2026.

Complete your trip

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

Direct flights to Massachusetts

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

Search flights from St John to Boston by cabin class

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

St John and Boston flights

Browse other St John and Boston flight options. Last updated on 8 September 2026.

Other flights from St John

Browse through other flights departing from St John. Flights are based on user searches made on Cheapflights and were last updated on 8 September 2026.

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

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Cheapest flights from St John to Boston
Explore the most affordable flight options available from St John to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 September 2026.

Best flights from St John to Boston
Discover carefully curated flight deals from St John to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 8 September 2026.

Last-minute flights from St John to Boston
Discover last-minute flight deals from St John to Boston. Data last updated 8 September 2026 and is based on user searches.

One-way flights from St John to Boston
Search for one-way flight options from St John to Boston. Find affordable one-way fares based on user searches. Data last updated 8 September 2026.