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Cheap flights from Saint John to Boston from C$ 286

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Saint John to Boston departing on 11/9. 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 Saint John to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
4:40 p.m. - 9:26 p.m.YSJ  Saint John-BOS Boston Logan Intl
5h 46m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
10:40 a.m. - 3:59 p.m.BOS  Boston Logan Intl-YSJ Saint John
4h 19m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 718Air Canada
Sat, 26 Sep - Sat, 3 Oct
Air Canada Logo
11:05 a.m. - 6:49 p.m.YSJ  Saint John-BOS Boston Logan Intl
8h 44m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Island
Air Canada Logo
5:30 a.m. - 10:25 a.m.BOS  Boston Logan Intl-YSJ Saint John
3h 55m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 726Air Canada
Tue, 9 Feb - Thu, 11 Feb
Air Canada Logo
4:40 p.m. - 9:26 p.m.YSJ  Saint John-BOS Boston Logan Intl
5h 46m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
6:00 a.m. - 3:59 p.m.BOS  Boston Logan Intl-YSJ Saint John
8h 59m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
C$ 738Air Canada
Sat, 26 Sep - Sat, 3 Oct
Air Canada Logo
4:40 p.m. - 9:26 p.m.YSJ  Saint John-BOS Boston Logan Intl
5h 46m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
10:40 a.m. - 3:59 p.m.BOS  Boston Logan Intl-YSJ Saint John
4h 19m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 747Air Canada
Tue, 8 Sep - Tue, 15 Sep
Air Canada Logo
4:40 p.m. - 9:26 p.m.YSJ  Saint John-BOS Boston Logan Intl
5h 46m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
6:00 a.m. - 3:59 p.m.BOS  Boston Logan Intl-YSJ Saint John
8h 59m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
C$ 758Air Canada
Tue, 8 Sep - Tue, 15 Sep
Air Canada Logo
12:50 p.m. - 9:26 p.m.YSJ  Saint John-BOS Boston Logan Intl
9h 36m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
6:00 a.m. - 3:59 p.m.BOS  Boston Logan Intl-YSJ Saint John
8h 59m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
C$ 789Air Canada
Tue, 8 Sep - Tue, 15 Sep
Air Canada Logo
5:00 a.m. - 2:41 p.m.YSJ  Saint John-BOS Boston Logan Intl
10h 41m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
6:00 a.m. - 3:59 p.m.BOS  Boston Logan Intl-YSJ Saint John
8h 59m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
C$ 836Air Canada
Sat, 26 Sep - Sat, 3 Oct
Air Canada Logo
11:05 a.m. - 6:49 p.m.YSJ  Saint John-BOS Boston Logan Intl
8h 44m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Island
Air Canada Logo
5:30 a.m. - 10:25 a.m.BOS  Boston Logan Intl-YSJ Saint John
3h 55m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 849Air Canada
Tue, 27 Oct - Wed, 28 Oct
Air Canada Logo
11:05 a.m. - 6:49 p.m.YSJ  Saint John-BOS Boston Logan Intl
8h 44m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Island
Air Canada Logo
5:30 a.m. - 10:25 a.m.BOS  Boston Logan Intl-YSJ Saint John
3h 55m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 850Air Canada
Tue, 27 Oct - Wed, 28 Oct
Air Canada Logo
11:05 a.m. - 6:49 p.m.YSJ  Saint John-BOS Boston Logan Intl
8h 44m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Island
Air Canada Logo
5:30 a.m. - 10:25 a.m.BOS  Boston Logan Intl-YSJ Saint John
3h 55m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 851Air Canada
Tue, 27 Oct - Wed, 28 Oct

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Air Canada flights from Saint John to Boston

Our best Air Canada deals on Saint John to Boston flight tickets
Air Canada
26 Sep
YSJ4:40 p.m.Saint John
5h 46m
1 stop
BOS9:26 p.m.Boston Logan Intl
3 Oct
BOS10:40 a.m.Boston Logan Intl
4h 19m
1 stop
YSJ3:59 p.m.Saint John
C$ 718
Air Canada
9 Feb
YSJ11:05 a.m.Saint John
8h 44m
2 stops
BOS6:49 p.m.Boston Logan Intl
11 Feb
BOS5:30 a.m.Boston Logan Intl
3h 55m
1 stop
YSJ10:25 a.m.Saint John
C$ 726
Air Canada
26 Sep
YSJ4:40 p.m.Saint John
5h 46m
1 stop
BOS9:26 p.m.Boston Logan Intl
3 Oct
BOS6:00 a.m.Boston Logan Intl
8h 59m
2 stops
YSJ3:59 p.m.Saint John
C$ 738

United Airlines flights from Saint John to Boston

Our best United Airlines deals on Saint John to Boston flight tickets
United Airlines
25 Sep
YSJ4:40 p.m.Saint John
5h 46m
1 stop
BOS9:26 p.m.Boston Logan Intl
2 Oct
BOS10:40 a.m.Boston Logan Intl
4h 19m
1 stop
YSJ3:59 p.m.Saint John
C$ 964
United Airlines
25 Sep
YSJ4:40 p.m.Saint John
9h 14m
2 stops
BOS12:54 a.m.Boston Logan Intl
2 Oct
BOS6:00 a.m.Boston Logan Intl
8h 59m
2 stops
YSJ3:59 p.m.Saint John
C$ 971
United Airlines
28 Sep
YSJ4:40 p.m.Saint John
7h 05m
2 stops
BOS10:45 p.m.Boston Logan Intl
5 Oct
BOS8:30 p.m.Boston Logan Intl
18h 29m
2 stops
YSJ3:59 p.m.Saint John
C$ 972

momondo Fare Finder

 
Customize your flight search to find flights from Saint John to Boston 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 15 August 2026.
Use the filters below to find and compare flights from Saint John to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Sat 26/9

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

1 stop5h 46m

Boston Logan Intl

Sat 3/10

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

1 stop4h 19m

C$ 718

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Tue 9/2

11:05 a.m.-6:49 p.m.

2 stops8h 44m

Boston Logan Intl

Thu 11/2

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

1 stop3h 55m

C$ 726

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Sat 26/9

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

1 stop5h 46m

Boston Logan Intl

Sat 3/10

6:00 a.m.-3:59 p.m.

2 stops8h 59m

C$ 738

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Tue 8/9

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

1 stop5h 46m

Boston Logan Intl

Tue 15/9

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

1 stop4h 19m

C$ 747

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Tue 8/9

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

1 stop5h 46m

Boston Logan Intl

Tue 15/9

6:00 a.m.-3:59 p.m.

2 stops8h 59m

C$ 758

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Tue 8/9

12:50 p.m.-9:26 p.m.

2 stops9h 36m

Boston Logan Intl

Tue 15/9

6:00 a.m.-3:59 p.m.

2 stops8h 59m

C$ 789

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Sat 26/9

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

2 stops10h 41m

Boston Logan Intl

Sat 3/10

6:00 a.m.-3:59 p.m.

2 stops8h 59m

C$ 836

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Tue 27/10

11:05 a.m.-6:49 p.m.

2 stops8h 44m

Boston Logan Intl

Wed 28/10

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

1 stop3h 55m

C$ 849

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Tue 27/10

11:05 a.m.-6:49 p.m.

2 stops8h 44m

Boston Logan Intl

Wed 28/10

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

1 stop3h 55m

C$ 850

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Tue 27/10

11:05 a.m.-6:49 p.m.

2 stops8h 44m

Boston Logan Intl

Wed 28/10

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

1 stop3h 55m

C$ 851

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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When to book flights from Saint John to Boston

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

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

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

Fastest flight time

4h 48m

Direct flights

None
The fastest flight from Saint John to Boston takes 4h 48m
There are no direct flights from Saint John to Boston. There are no popular flight routes from Saint John to Boston.
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Frequently asked questions about flying from Saint John to Boston

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

    The straight-line distance from Saint John to Boston Logan Intl is 514.4 km. Typically, this will take 4h 48m by plane in normal conditions.

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Saint John Airport to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The travel and health documents you'll need for your trip to Boston Logan Intl 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 Boston Logan Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Saint John to Boston

  • How do I get Price Alerts for flights from Saint John to Boston?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Saint John from Boston. 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 Saint John to Boston with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • 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.

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Old Orchard Beach
Hampton Beach
Ogunquit
Chelsea
Kennebunkport
Needham
Everett
Wells
Warwick
Foxborough
Burlington
Scarborough
Salem
Waltham
Westbrook
Saco
Seabrook
Watertown
Woburn
Brookline

Why use momondo?

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

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 Boston from Saint John.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Boston from Saint John.

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

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

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