How long is the flight from Boston to Saint John?

Airlines like Air Canada fly from Boston to Saint John in about 4h 45m. The time it takes to get you to your destination can typically vary by up to . Boston and Saint John are separated by a distance of 327 mi.

What is the cheapest airline to fly from Boston to Saint John round-trip?

According to our current data, Air Canada ($235), offers the cheapest pricing from Boston to Saint John.

What is the cheapest day to fly from Boston to Saint John?

Travelers seeking maximum savings on their Boston to Saint John flight should consider departing on Saturday mornings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Saint John ranges from 3.2 - 5.3 inches per month. November is typically the wettest month, when rainfall can reach 5.3 in. August is typically the driest time to visit Saint John when rainfall is around 3.2 in.

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 17.6 F).

What is the cheapest day to fly round-trip from Boston to Saint John?

Users have found that flying from Boston to Saint John on a Monday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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.

$228+ Flights from Boston to Saint John

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Cheap flight deals from Boston to St John

Round-trip from	$508 (Gotogate)
One-way from	$228 (Kiwi.com)

From Boston Logan Intl to Saint John

Search Deals

One-way flight from Boston Logan Intl to Saint John

Search Deals

Find flight deals from Boston to St John

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 septiembre 11, 2025.

dom. 10/265:30 amBOS - YSJ

1 stop4h 45mAir Canada

dom. 11/211:55 amYSJ - BOS

1 stop3h 57mAir Canada

Deal found 9/11

$508

sáb. 10/256:00 amBOS - YSJ

1 stop3h 49mAir Canada

sáb. 11/111:55 amYSJ - BOS

1 stop3h 57mAir Canada

Deal found 9/10

$602

dom. 10/267:05 amBOS - YSJ

3 stops27h 10mMultiple Airlines

dom. 11/211:55 amYSJ - BOS

1 stop3h 57mMultiple Airlines

Deal found 9/11

$614

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 septiembre 11, 2025.

dom. 10/265:30 amBOS - YSJ

1 stop4h 45mAir Canada

dom. 11/211:55 amYSJ - BOS

1 stop3h 57mAir Canada

Deal found 9/11

$508

dom. 10/267:05 amBOS - YSJ

3 stops27h 10mMultiple Airlines

dom. 11/211:55 amYSJ - BOS

1 stop3h 57mMultiple Airlines

Deal found 9/11

$614

sáb. 10/256:00 amBOS - YSJ

1 stop3h 49mAir Canada

sáb. 11/111:55 amYSJ - BOS

1 stop3h 57mAir Canada

Deal found 9/10

$602

Last-minute flights from Boston to St John
Discover last-minute flight deals from Boston to St John. Data last updated septiembre 11, 2025 and is based on user searches.

sáb. 10/256:00 amBOS - YSJ

1 stop3h 49mAir Canada

sáb. 11/111:55 amYSJ - BOS

1 stop3h 57mAir Canada

Deal found 9/10

$602

dom. 10/265:30 amBOS - YSJ

1 stop4h 45mAir Canada

dom. 11/211:55 amYSJ - BOS

1 stop3h 57mAir Canada

Deal found 9/11

$508

dom. 10/267:05 amBOS - YSJ

3 stops27h 10mMultiple Airlines

dom. 11/211:55 amYSJ - BOS

1 stop3h 57mMultiple Airlines

Deal found 9/11

$614

One-way flights from Boston to St John
Search for one-way flight options from Boston to St John. Find affordable one-way fares based on user searches. Data last updated septiembre 11, 2025.

mié. 10/83:00 pmBOS - YSJ

2 stops42h 00mMultiple Airlines

Deal found 9/11

$228

sáb. 10/113:50 pmBOS - YSJ

3 stops41h 10mMultiple Airlines

Deal found 9/11

$247

mar. 10/76:16 amBOS - YSJ

3 stops32h 29mMultiple Airlines

Deal found 9/11

$255

sáb. 10/116:00 amBOS - YSJ

1 stop3h 49mAir Canada

Deal found 9/11

$274

lun. 10/64:45 pmBOS - YSJ

1 stop6h 06mAir Canada

Deal found 9/11

$279

lun. 10/66:16 amBOS - YSJ

3 stops32h 29mMultiple Airlines

Deal found 9/11

$283

dom. 10/56:00 amBOS - YSJ

2 stops10h 40mAir Canada

Deal found 9/11

$285

jue. 10/96:00 amBOS - YSJ

1 stop3h 49mAir Canada

Deal found 9/11

$304

dom. 10/59:20 amBOS - YSJ

3 stops29h 25mMultiple Airlines

Deal found 9/11

$305

jue. 10/98:45 amBOS - YSJ

3 stops30h 00mMultiple Airlines

Deal found 9/11

$332

Fly from

Fly to

Route

Depart

Return

Price

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

dom. 10/26

5:30 am-11:15 am

1 stop4h 45m

Saint John

dom. 11/2

11:55 am-2:52 pm

1 stop3h 57m

$508

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

sáb. 10/25

6:00 am-10:49 am

1 stop3h 49m

Saint John

sáb. 11/1

11:55 am-2:52 pm

1 stop3h 57m

$602

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

dom. 10/26

7:05 am-11:15 am

3 stops27h 10m

Saint John

dom. 11/2

11:55 am-2:52 pm

1 stop3h 57m

$614

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

mié. 10/8

3:00 pm-10:00 am

2 stops42h 00m

$228

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

sáb. 10/11

3:50 pm-10:00 am

3 stops41h 10m

$247

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

mar. 10/7

6:16 am-3:45 pm

3 stops32h 29m

$255

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

sáb. 10/11

6:00 am-10:49 am

1 stop3h 49m

$274

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

mié. 10/8

4:45 pm-11:51 pm

1 stop6h 06m

$279

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

mar. 10/7

4:45 pm-11:51 pm

1 stop6h 06m

$279

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

lun. 10/6

6:16 am-3:45 pm

3 stops32h 29m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 13 results

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.

Reviews of airlines servicing St John

Get a feel of what it's like to fly with Air Canada from Boston to Saint John by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air Canada

7.1

Good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Oct 2024

TPA - YYZ

The pre boarding was a bit confusing but we got through it.

Air Canada

7.1

Good

10,000 reviews

Air Canada

7.1

Good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Oct 2024

TPA - YYZ

The pre boarding was a bit confusing but we got through it.

Related info for your journey

How long is the flight from Boston to Saint John?
Airlines like Air Canada fly from Boston to Saint John in about 4h 45m. The time it takes to get you to your destination can typically vary by up to . Boston and Saint John are separated by a distance of 327 mi.
What is the cheapest airline to fly from Boston to Saint John round-trip?
According to our current data, Air Canada ($235), offers the cheapest pricing from Boston to Saint John.
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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Boston to St John

Boston to Moncton flights

Top airline flying from Boston to St John

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$235	Average$574	FlexibilityNo cancel fee	On-time67%

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$228+ Cheap flights from Boston (BOS) to Saint John (YSJ)

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boston to St John with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Boston to St John

Round-trip from

One-way from

Find 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 septiembre 11, 2025.

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 septiembre 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to Saint John that are best for you.

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.

Reviews of airlines servicing St John

Get a feel of what it's like to fly with Air Canada from Boston to Saint John by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

What is the cheapest airline to fly from Boston to Saint John round-trip?

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

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

Alternative routes for Boston to St John

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

Top airline flying from Boston to St John

100% Free

Book with Flexibility

Travel Smart

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 septiembre 11, 2025.