Cheap flights from Boston to Saint John from $684

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Saint John departing on 3/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
5:30 am - 11:20 am
BOS
-
YSJ
4h 50m
1 stop
Air Canada Logo
11:55 am - 2:52 pm
YSJ
-
BOS
3h 57m
1 stop
$684Air Canada
dom., mar. 29 - jue., abr. 2
Air Canada Logo
5:10 am - 11:27 am
BOS
-
YSJ
5h 17m
1 stop
Air Canada Logo
4:30 pm - 9:27 pm
YSJ
-
BOS
5h 57m
1 stop
$689Air Canada
vie., may. 22 - mié., may. 27
Air Canada Logo
5:30 am - 11:20 am
BOS
-
YSJ
4h 50m
1 stop
Air Canada Logo
11:55 am - 10:38 pm
YSJ
-
BOS
11h 43m
2 stops
$698Air Canada
dom., mar. 29 - jue., abr. 2
Air Canada Logo
4:35 pm - 11:10 am
BOS
-
YSJ
17h 35m
2 stops
Air Canada Logo
11:55 am - 10:38 pm
YSJ
-
BOS
11h 43m
2 stops
$736Air Canada
dom., mar. 29 - jue., abr. 2
Air Canada Logo
6:15 am - 3:35 pm
BOS
-
YSJ
8h 20m
2 stops
Air Canada Logo
4:15 pm - 10:37 pm
YSJ
-
BOS
7h 22m
2 stops
$741Air Canada
mié., mar. 11 - mié., mar. 18
Air Canada Logo
5:10 am - 11:27 am
BOS
-
YSJ
5h 17m
1 stop
Air Canada Logo
5:35 am - 2:47 pm
YSJ
-
BOS
10h 12m
2 stops
$784Air Canada
vie., may. 22 - mié., may. 27
Air Canada Logo
5:10 am - 3:40 pm
BOS
-
YSJ
9h 30m
2 stops
Air Canada Logo
12:20 pm - 9:27 pm
YSJ
-
BOS
10h 07m
2 stops
$793Air Canada
sáb., may. 23 - mié., may. 27
Air Canada Logo
10:35 am - 11:52 pm
BOS
-
YSJ
12h 17m
2 stops
Air Canada Logo
5:35 am - 2:47 pm
YSJ
-
BOS
10h 12m
2 stops
$823Air Canada
vie., may. 22 - mié., may. 27
Multiple Airlines Logo
6:10 pm - 3:45 pm
BOS
-
YSJ
44h 35m
3 stops
Multiple Airlines Logo
12:00 pm - 11:59 pm
YSJ
-
BOS
36h 59m
3 stops
$932Multiple Airlines
mié., mar. 11 - mié., mar. 18
Multiple Airlines Logo
6:10 pm - 3:45 pm
BOS
-
YSJ
44h 35m
3 stops
Multiple Airlines Logo
4:15 pm - 2:45 pm
YSJ
-
BOS
23h 30m
2 stops
$999Multiple Airlines
mié., mar. 11 - mié., mar. 18

Air Canada flights from Boston to Saint John

Our best Air Canada deals on Boston to Saint John flight tickets
Air Canada
Mar 29
BOS5:30 amBoston Logan Intl
4h 50m
1 stop
YSJ11:20 amSaint John
Apr 2
YSJ11:55 amSaint John
3h 57m
1 stop
BOS2:52 pmBoston Logan Intl
$684
Air Canada
May 22
BOS5:10 amBoston Logan Intl
5h 17m
1 stop
YSJ11:27 amSaint John
May 27
YSJ4:30 pmSaint John
5h 57m
1 stop
BOS9:27 pmBoston Logan Intl
$689
Air Canada
Mar 29
BOS5:30 amBoston Logan Intl
4h 50m
1 stop
YSJ11:20 amSaint John
Apr 2
YSJ11:55 amSaint John
3h 57m
1 stop
BOS2:52 pmBoston Logan Intl
$695

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Saint 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, momondo users made 832,500 searches. Data last updated enero 27, 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

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

dom. 3/29

5:30 am-11:20 am

1 stop4h 50m

Saint John

jue. 4/2

11:55 am-2:52 pm

1 stop3h 57m

$684

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

vie. 5/22

5:10 am-11:27 am

1 stop5h 17m

Saint John

mié. 5/27

4:30 pm-9:27 pm

1 stop5h 57m

$689

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

dom. 3/29

5:30 am-11:20 am

1 stop4h 50m

Saint John

jue. 4/2

11:55 am-10:38 pm

2 stops11h 43m

$698

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

dom. 3/29

4:35 pm-11:10 am

2 stops17h 35m

Saint John

jue. 4/2

11:55 am-10:38 pm

2 stops11h 43m

$736

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

mié. 3/11

6:15 am-3:35 pm

2 stops8h 20m

Saint John

mié. 3/18

4:15 pm-10:37 pm

2 stops7h 22m

$741

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

vie. 5/22

5:10 am-11:27 am

1 stop5h 17m

Saint John

mié. 5/27

5:35 am-2:47 pm

2 stops10h 12m

$784

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

sáb. 5/23

5:10 am-3:40 pm

2 stops9h 30m

Saint John

mié. 5/27

12:20 pm-9:27 pm

2 stops10h 07m

$793

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

vie. 5/22

10:35 am-11:52 pm

2 stops12h 17m

Saint John

mié. 5/27

5:35 am-2:47 pm

2 stops10h 12m

$823

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

mié. 3/11

6:10 pm-3:45 pm

3 stops44h 35m

Saint John

mié. 3/18

12:00 pm-11:59 pm

3 stops36h 59m

$932

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

mié. 3/11

6:10 pm-3:45 pm

3 stops44h 35m

Saint John

mié. 3/18

4:15 pm-2:45 pm

2 stops23h 30m

$999

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Boston to Saint John

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Saint John according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Saint John (BOS to YSJ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Saint John

Fastest flight time

4h 05m

Direct flights

None
The fastest flight from Boston to Saint John takes 4h 05m
There are no direct flights from Boston to Saint John. There are no popular flight routes from Boston to Saint John.
  • How far is Boston Logan Intl to Saint John by plane?

    Saint John is 319.7 mi away from Boston Logan Intl. Flights usually cover this in 4h 05m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Saint John Airport?

    Prices for flights from Boston Logan Intl Airport to Saint John Airport are updated daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Saint John Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Saint John Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Saint John Airport.

  • What documentation or ID do you need to fly to Saint John Airport?

    The travel and health documents required for your trip to Saint John Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Saint John Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Boston to Saint John?

Best airlines flying from Boston to Saint John

Compare and see reviews for airlines that fly from Boston to Saint John with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $235Free CancellationRating
7.1
10,660 reviews
Search Air Canada flights
  • How do I get Price Alerts for flights from Boston to Saint John?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Boston from Saint John. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Boston to Saint John with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near Saint John?

Book flights to Saint John if you plan to visit one of these locations
Bridgetown
Middleton

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Saint John?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to Saint John. momondo saves you time and could save you money on your trip.

Can I find flights from Boston to Saint John with flexible booking policies on momondo?

Yes. All flights to Saint John from Boston on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Boston to Saint John?

momondo provides multiple filters to help you find the best flight to Saint John from Boston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Boston to Saint John right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Boston to Saint John now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Saint John and let you know when they change.

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1 adult
jue. 2/26
jue. 3/5

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