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Cheap flights from Boston to Saint John from C$ 399

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Saint John departing on 26/6. 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

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Find the cheapest flights from Boston to Saint John

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:10 a.m. - 10:00 a.m.
BOS
-
YSJ
25h 50m
1 stop
Multiple Airlines Logo
10:45 a.m. - 10:31 a.m.
YSJ
-
BOS
24h 46m
1 stop
C$ 625Multiple Airlines
Tue, 23 Jun - Mon, 29 Jun
Multiple Airlines Logo
10:05 a.m. - 10:00 a.m.
BOS
-
YSJ
22h 55m
1 stop
Multiple Airlines Logo
10:45 a.m. - 5:35 p.m.
YSJ
-
BOS
7h 50m
1 stop
C$ 642Multiple Airlines
Thu, 11 Jun - Wed, 17 Jun
Multiple Airlines Logo
7:10 a.m. - 10:00 a.m.
BOS
-
YSJ
25h 50m
1 stop
Multiple Airlines Logo
10:45 a.m. - 7:41 p.m.
YSJ
-
BOS
9h 56m
1 stop
C$ 665Multiple Airlines
Tue, 23 Jun - Wed, 1 Jul
Multiple Airlines Logo
7:10 a.m. - 10:00 a.m.
BOS
-
YSJ
25h 50m
1 stop
Multiple Airlines Logo
10:45 a.m. - 10:31 a.m.
YSJ
-
BOS
24h 46m
1 stop
C$ 675Multiple Airlines
Sun, 21 Jun - Mon, 29 Jun
Multiple Airlines Logo
7:10 a.m. - 10:00 a.m.
BOS
-
YSJ
25h 50m
1 stop
Multiple Airlines Logo
10:45 a.m. - 8:55 p.m.
YSJ
-
BOS
11h 10m
2 stops
C$ 683Multiple Airlines
Tue, 23 Jun - Mon, 29 Jun
Multiple Airlines Logo
4:45 p.m. - 10:00 a.m.
BOS
-
YSJ
16h 15m
2 stops
Multiple Airlines Logo
10:45 a.m. - 5:35 p.m.
YSJ
-
BOS
7h 50m
1 stop
C$ 689Multiple Airlines
Sun, 14 Jun - Wed, 17 Jun
Multiple Airlines Logo
3:25 p.m. - 10:00 a.m.
BOS
-
YSJ
17h 35m
2 stops
Multiple Airlines Logo
10:45 a.m. - 10:31 a.m.
YSJ
-
BOS
24h 46m
1 stop
C$ 693Multiple Airlines
Thu, 25 Jun - Mon, 29 Jun
Multiple Airlines Logo
3:25 p.m. - 10:00 a.m.
BOS
-
YSJ
17h 35m
2 stops
Multiple Airlines Logo
10:45 a.m. - 5:35 p.m.
YSJ
-
BOS
7h 50m
1 stop
C$ 712Multiple Airlines
Thu, 11 Jun - Wed, 17 Jun
Multiple Airlines Logo
7:10 a.m. - 10:00 a.m.
BOS
-
YSJ
25h 50m
1 stop
Multiple Airlines Logo
10:45 a.m. - 7:41 p.m.
YSJ
-
BOS
9h 56m
1 stop
C$ 716Multiple Airlines
Sun, 21 Jun - Wed, 1 Jul
Multiple Airlines Logo
7:10 a.m. - 10:00 a.m.
BOS
-
YSJ
25h 50m
1 stop
Multiple Airlines Logo
10:45 a.m. - 7:41 p.m.
YSJ
-
BOS
9h 56m
1 stop
C$ 719Multiple Airlines
Tue, 23 Jun - Fri, 26 Jun

Air Canada flights from Boston to Saint John

Our best Air Canada deals on Boston to Saint John flight tickets
Air Canada
11 Jun
BOS10:35 a.m.Boston Logan Intl
4h 15m
1 stop
YSJ3:50 p.m.Saint John
18 Jun
YSJ4:35 p.m.Saint John
5h 52m
1 stop
BOS9:27 p.m.Boston Logan Intl
C$ 865
Air Canada
6 Jun
BOS10:35 a.m.Boston Logan Intl
4h 10m
1 stop
YSJ3:45 p.m.Saint John
13 Jun
YSJ4:30 p.m.Saint John
5h 57m
1 stop
BOS9:27 p.m.Boston Logan Intl
C$ 895
Air Canada
18 Sep
BOS10:40 a.m.Boston Logan Intl
4h 09m
1 stop
YSJ3:49 p.m.Saint John
22 Sep
YSJ4:30 p.m.Saint John
5h 57m
1 stop
BOS9:27 p.m.Boston Logan Intl
C$ 906

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 96,600 searches. Data last updated 16 May 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

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Tue 23/6

7:10 a.m.-10:00 a.m.

1 stop25h 50m

Saint John

Mon 29/6

10:45 a.m.-10:31 a.m.

1 stop24h 46m

C$ 625

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Thu 11/6

10:05 a.m.-10:00 a.m.

1 stop22h 55m

Saint John

Wed 17/6

10:45 a.m.-5:35 p.m.

1 stop7h 50m

C$ 642

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Tue 23/6

7:10 a.m.-10:00 a.m.

1 stop25h 50m

Saint John

Wed 1/7

10:45 a.m.-7:41 p.m.

1 stop9h 56m

C$ 665

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Sun 21/6

7:10 a.m.-10:00 a.m.

1 stop25h 50m

Saint John

Mon 29/6

10:45 a.m.-10:31 a.m.

1 stop24h 46m

C$ 675

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Tue 23/6

7:10 a.m.-10:00 a.m.

1 stop25h 50m

Saint John

Mon 29/6

10:45 a.m.-8:55 p.m.

2 stops11h 10m

C$ 683
Quickest round-trip

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Sun 14/6

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

2 stops16h 15m

Saint John

Wed 17/6

10:45 a.m.-5:35 p.m.

1 stop7h 50m

C$ 689

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Thu 25/6

3:25 p.m.-10:00 a.m.

2 stops17h 35m

Saint John

Mon 29/6

10:45 a.m.-10:31 a.m.

1 stop24h 46m

C$ 693

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Thu 11/6

3:25 p.m.-10:00 a.m.

2 stops17h 35m

Saint John

Wed 17/6

10:45 a.m.-5:35 p.m.

1 stop7h 50m

C$ 712

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Sun 21/6

7:10 a.m.-10:00 a.m.

1 stop25h 50m

Saint John

Wed 1/7

10:45 a.m.-7:41 p.m.

1 stop9h 56m

C$ 716

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Tue 23/6

7:10 a.m.-10:00 a.m.

1 stop25h 50m

Saint John

Fri 26/6

10:45 a.m.-7:41 p.m.

1 stop9h 56m

C$ 719

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Saint John from

How to get the cheapest flight ticket from Boston to Saint John

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Boston Logan Intl to Saint John?

Air Canada is the most popular carrier operating from Boston Logan Intl to Saint John

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 09m

Direct flights

None
The fastest flight from Boston to Saint John takes 4h 09m
There are no direct flights from Boston to Saint John. There are no popular flight routes from Boston to Saint John.
Search flight deals

Frequently asked questions about flying from Boston to Saint John

  • How far is Boston Logan Intl to Saint John by plane?

    Saint John is 514.4 km away from Boston Logan Intl. 4h 09m is a normal flight duration for this route.

  • 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 refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 you'll need for your trip to Saint John Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint John Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Saint John?

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

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Saint John from Boston.

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

Yes. momondo enables you to select and highlight flights to Saint John from Boston with this policy.

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

momondo helps you find the best flight between Boston and Saint John by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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.

An easier way to manage your Saint John trip

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