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Cheap flights from Boston to Saint John from C$ 264

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 18/8. 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
1 adult, Economy, 0 bags

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
8:30 p.m. - 10:00 a.m.
BOS
-
YSJ
12h 30m
1 stop
Multiple Airlines Logo
10:45 a.m. - 7:50 p.m.
YSJ
-
BOS
10h 05m
1 stop
C$ 654Multiple Airlines
Tue, 4 Aug - Mon, 17 Aug
Multiple Airlines Logo
3:55 p.m. - 10:00 a.m.
BOS
-
YSJ
17h 05m
2 stops
Multiple Airlines Logo
10:45 a.m. - 7:50 p.m.
YSJ
-
BOS
10h 05m
1 stop
C$ 664Multiple Airlines
Tue, 4 Aug - Mon, 17 Aug
Multiple Airlines Logo
3:55 p.m. - 10:00 a.m.
BOS
-
YSJ
17h 05m
2 stops
Multiple Airlines Logo
10:45 a.m. - 8:55 p.m.
YSJ
-
BOS
11h 10m
2 stops
C$ 705Multiple Airlines
Tue, 4 Aug - Mon, 17 Aug
Multiple Airlines Logo
7:45 p.m. - 10:00 a.m.
BOS
-
YSJ
13h 15m
1 stop
Multiple Airlines Logo
6:55 a.m. - 9:05 a.m.
YSJ
-
BOS
27h 10m
2 stops
C$ 891Multiple Airlines
Sun, 23 Aug - Sun, 30 Aug
Air Canada Logo
4:55 p.m. - 1:25 a.m.
BOS
-
YSJ
7h 30m
1 stop
Air Canada Logo
5:00 a.m. - 11:52 a.m.
YSJ
-
BOS
7h 52m
1 stop
C$ 904Air Canada
Thu, 3 Sep - Sun, 6 Sep
Air Canada Logo
4:55 p.m. - 1:25 a.m.
BOS
-
YSJ
7h 30m
1 stop
Air Canada Logo
5:00 a.m. - 2:41 p.m.
YSJ
-
BOS
10h 41m
2 stops
C$ 917Air Canada
Thu, 3 Sep - Sun, 6 Sep
Air Canada Logo
4:55 p.m. - 1:25 a.m.
BOS
-
YSJ
7h 30m
1 stop
Air Canada Logo
5:00 a.m. - 9:53 a.m.
YSJ
-
BOS
5h 53m
1 stop
C$ 920Air Canada
Sat, 15 Aug - Sat, 22 Aug
Air Canada Logo
10:40 a.m. - 3:59 p.m.
BOS
-
YSJ
4h 19m
1 stop
Air Canada Logo
4:40 p.m. - 9:26 p.m.
YSJ
-
BOS
5h 46m
1 stop
C$ 928Air Canada
Wed, 30 Sep - Sat, 3 Oct
Air Canada Logo
4:55 p.m. - 1:25 a.m.
BOS
-
YSJ
7h 30m
1 stop
Air Canada Logo
5:00 a.m. - 9:53 a.m.
YSJ
-
BOS
5h 53m
1 stop
C$ 930Air Canada
Sat, 15 Aug - Sat, 22 Aug
Air Canada Logo
4:55 p.m. - 1:25 a.m.
BOS
-
YSJ
7h 30m
1 stop
Air Canada Logo
12:50 p.m. - 9:27 p.m.
YSJ
-
BOS
9h 37m
2 stops
C$ 932Air Canada
Sat, 15 Aug - Sat, 22 Aug

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Air Canada flights from Boston to Saint John

Our best Air Canada deals on Boston to Saint John flight tickets
Air Canada
3 Sep
BOS4:55 p.m.Boston Logan Intl
7h 30m
1 stop
YSJ1:25 a.m.Saint John
6 Sep
YSJ5:00 a.m.Saint John
7h 52m
1 stop
BOS11:52 a.m.Boston Logan Intl
C$ 904
Air Canada
3 Sep
BOS4:55 p.m.Boston Logan Intl
7h 30m
1 stop
YSJ1:25 a.m.Saint John
6 Sep
YSJ5:00 a.m.Saint John
10h 41m
2 stops
BOS2:41 p.m.Boston Logan Intl
C$ 917
Air Canada
15 Aug
BOS4:55 p.m.Boston Logan Intl
7h 30m
1 stop
YSJ1:25 a.m.Saint John
22 Aug
YSJ5:00 a.m.Saint John
5h 53m
1 stop
BOS9:53 a.m.Boston Logan Intl
C$ 920

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 2 July 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 4/8

8:30 p.m.-10:00 a.m.

1 stop12h 30m

Saint John

Mon 17/8

10:45 a.m.-7:50 p.m.

1 stop10h 05m

C$ 654

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Tue 4/8

3:55 p.m.-10:00 a.m.

2 stops17h 05m

Saint John

Mon 17/8

10:45 a.m.-7:50 p.m.

1 stop10h 05m

C$ 664

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Tue 4/8

3:55 p.m.-10:00 a.m.

2 stops17h 05m

Saint John

Mon 17/8

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

2 stops11h 10m

C$ 705

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Sun 23/8

7:45 p.m.-10:00 a.m.

1 stop13h 15m

Saint John

Sun 30/8

6:55 a.m.-9:05 a.m.

2 stops27h 10m

C$ 891

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Thu 3/9

4:55 p.m.-1:25 a.m.

1 stop7h 30m

Saint John

Sun 6/9

5:00 a.m.-11:52 a.m.

1 stop7h 52m

C$ 904

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Thu 3/9

4:55 p.m.-1:25 a.m.

1 stop7h 30m

Saint John

Sun 6/9

5:00 a.m.-2:41 p.m.

2 stops10h 41m

C$ 917

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Sat 15/8

4:55 p.m.-1:25 a.m.

1 stop7h 30m

Saint John

Sat 22/8

5:00 a.m.-9:53 a.m.

1 stop5h 53m

C$ 920
Quickest round-trip

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Wed 30/9

10:40 a.m.-3:59 p.m.

1 stop4h 19m

Saint John

Sat 3/10

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

1 stop5h 46m

C$ 928

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Sat 15/8

4:55 p.m.-1:25 a.m.

1 stop7h 30m

Saint John

Sat 22/8

5:00 a.m.-9:53 a.m.

1 stop5h 53m

C$ 930

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Sat 15/8

4:55 p.m.-1:25 a.m.

1 stop7h 30m

Saint John

Sat 22/8

12:50 p.m.-9:27 p.m.

2 stops9h 37m

C$ 932

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

12h 30m

Direct flights

None
The fastest flight from Boston to Saint John takes 12h 30m
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. 12h 30m 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
Middleton

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.

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