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Cheap flights from Saint John to Boston from C$ 599

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Saint John to Boston departing on 28/3. 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 Saint John to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
4:15 p.m. - 7:12 p.m.
YSJ
-
BOS
3h 57m
1 stop
Air Canada Logo
5:30 a.m. - 11:10 a.m.
BOS
-
YSJ
4h 40m
1 stop
C$ 599Air Canada
Sat, 28 Mar - Sat, 4 Apr
Air Canada Logo
11:55 a.m. - 2:52 p.m.
YSJ
-
BOS
3h 57m
1 stop
Air Canada Logo
5:30 a.m. - 11:10 a.m.
BOS
-
YSJ
4h 40m
1 stop
C$ 602Air Canada
Fri, 10 Apr - Sun, 12 Apr
Air Canada Logo
4:30 p.m. - 9:27 p.m.
YSJ
-
BOS
5h 57m
1 stop
Air Canada Logo
10:35 a.m. - 3:40 p.m.
BOS
-
YSJ
4h 05m
1 stop
C$ 603Air Canada
Sat, 23 May - Wed, 27 May
Air Canada Logo
11:55 a.m. - 2:52 p.m.
YSJ
-
BOS
3h 57m
1 stop
Air Canada Logo
5:30 a.m. - 11:10 a.m.
BOS
-
YSJ
4h 40m
1 stop
C$ 605Air Canada
Fri, 10 Apr - Sun, 12 Apr
Air Canada Logo
4:30 p.m. - 9:27 p.m.
YSJ
-
BOS
5h 57m
1 stop
Air Canada Logo
10:35 a.m. - 3:40 p.m.
BOS
-
YSJ
4h 05m
1 stop
C$ 607Air Canada
Sat, 23 May - Wed, 27 May
Air Canada Logo
4:30 p.m. - 9:27 p.m.
YSJ
-
BOS
5h 57m
1 stop
Air Canada Logo
5:10 a.m. - 3:40 p.m.
BOS
-
YSJ
9h 30m
2 stops
C$ 614Air Canada
Sat, 23 May - Wed, 27 May
Air Canada Logo
11:55 a.m. - 10:38 p.m.
YSJ
-
BOS
11h 43m
2 stops
Air Canada Logo
5:30 a.m. - 11:10 a.m.
BOS
-
YSJ
4h 40m
1 stop
C$ 615Air Canada
Fri, 10 Apr - Mon, 13 Apr
Air Canada Logo
11:55 a.m. - 10:38 p.m.
YSJ
-
BOS
11h 43m
2 stops
Air Canada Logo
5:30 a.m. - 11:10 a.m.
BOS
-
YSJ
4h 40m
1 stop
C$ 617Air Canada
Fri, 10 Apr - Sun, 12 Apr
Air Canada Logo
4:30 p.m. - 9:27 p.m.
YSJ
-
BOS
5h 57m
1 stop
Air Canada Logo
5:10 a.m. - 3:40 p.m.
BOS
-
YSJ
9h 30m
2 stops
C$ 618Air Canada
Sat, 23 May - Wed, 27 May
Air Canada Logo
11:55 a.m. - 10:39 p.m.
YSJ
-
BOS
11h 44m
2 stops
Air Canada Logo
5:30 a.m. - 11:10 a.m.
BOS
-
YSJ
4h 40m
1 stop
C$ 621Air Canada
Fri, 10 Apr - Sun, 12 Apr

Air Canada flights from Saint John to Boston

Our best Air Canada deals on Saint John to Boston flight tickets
Air Canada
28 Mar
YSJ4:15 p.m.Saint John
3h 57m
1 stop
BOS7:12 p.m.Boston Logan Intl
4 Apr
BOS5:30 a.m.Boston Logan Intl
4h 40m
1 stop
YSJ11:10 a.m.Saint John
C$ 599
Air Canada
10 Apr
YSJ11:55 a.m.Saint John
3h 57m
1 stop
BOS2:52 p.m.Boston Logan Intl
12 Apr
BOS5:30 a.m.Boston Logan Intl
4h 40m
1 stop
YSJ11:10 a.m.Saint John
C$ 602
Air Canada
10 Apr
YSJ11:55 a.m.Saint John
3h 57m
1 stop
BOS2:52 p.m.Boston Logan Intl
12 Apr
BOS5:30 a.m.Boston Logan Intl
4h 40m
1 stop
YSJ11:10 a.m.Saint John
C$ 605

United Airlines flights from Saint John to Boston

Our best United Airlines deals on Saint John to Boston flight tickets
United Airlines
23 May
YSJ4:30 p.m.Saint John
9h 29m
2 stops
BOS12:59 a.m.Boston Logan Intl
27 May
BOS6:00 a.m.Boston Logan Intl
8h 40m
2 stops
YSJ3:40 p.m.Saint John
C$ 696
United Airlines
23 May
YSJ5:40 a.m.Saint John
11h 58m
2 stops
BOS4:38 p.m.Boston Logan Intl
27 May
BOS6:00 a.m.Boston Logan Intl
8h 40m
2 stops
YSJ3:40 p.m.Saint John
C$ 705
United Airlines
10 Apr
YSJ11:55 a.m.Saint John
9h 09m
2 stops
BOS8:04 p.m.Boston Logan Intl
12 Apr
BOS7:05 a.m.Boston Logan Intl
15h 47m
2 stops
YSJ11:52 p.m.Saint John
C$ 753

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 14 February 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

Saint JohnBoston

YSJ - BOS

YSJBOS

Saint John

Sat 28/3

4:15 p.m.-7:12 p.m.

1 stop3h 57m

Boston Logan Intl

Sat 4/4

5:30 a.m.-11:10 a.m.

1 stop4h 40m

C$ 599

Saint JohnBoston

YSJ - BOS

YSJBOS

Saint John

Fri 10/4

11:55 a.m.-2:52 p.m.

1 stop3h 57m

Boston Logan Intl

Sun 12/4

5:30 a.m.-11:10 a.m.

1 stop4h 40m

C$ 602

Saint JohnBoston

YSJ - BOS

YSJBOS

Saint John

Sat 23/5

4:30 p.m.-9:27 p.m.

1 stop5h 57m

Boston Logan Intl

Wed 27/5

10:35 a.m.-3:40 p.m.

1 stop4h 05m

C$ 603

Saint JohnBoston

YSJ - BOS

YSJBOS

Saint John

Fri 10/4

11:55 a.m.-2:52 p.m.

1 stop3h 57m

Boston Logan Intl

Sun 12/4

5:30 a.m.-11:10 a.m.

1 stop4h 40m

C$ 605

Saint JohnBoston

YSJ - BOS

YSJBOS

Saint John

Sat 23/5

4:30 p.m.-9:27 p.m.

1 stop5h 57m

Boston Logan Intl

Wed 27/5

10:35 a.m.-3:40 p.m.

1 stop4h 05m

C$ 607

Saint JohnBoston

YSJ - BOS

YSJBOS

Saint John

Sat 23/5

4:30 p.m.-9:27 p.m.

1 stop5h 57m

Boston Logan Intl

Wed 27/5

5:10 a.m.-3:40 p.m.

2 stops9h 30m

C$ 614

Saint JohnBoston

YSJ - BOS

YSJBOS

Saint John

Fri 10/4

11:55 a.m.-10:38 p.m.

2 stops11h 43m

Boston Logan Intl

Mon 13/4

5:30 a.m.-11:10 a.m.

1 stop4h 40m

C$ 615

Saint JohnBoston

YSJ - BOS

YSJBOS

Saint John

Fri 10/4

11:55 a.m.-10:38 p.m.

2 stops11h 43m

Boston Logan Intl

Sun 12/4

5:30 a.m.-11:10 a.m.

1 stop4h 40m

C$ 617

Saint JohnBoston

YSJ - BOS

YSJBOS

Saint John

Sat 23/5

4:30 p.m.-9:27 p.m.

1 stop5h 57m

Boston Logan Intl

Wed 27/5

5:10 a.m.-3:40 p.m.

2 stops9h 30m

C$ 618

Saint JohnBoston

YSJ - BOS

YSJBOS

Saint John

Fri 10/4

11:55 a.m.-10:39 p.m.

2 stops11h 44m

Boston Logan Intl

Sun 12/4

5:30 a.m.-11:10 a.m.

1 stop4h 40m

C$ 621

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 27m

Direct flights

None
The fastest flight from Saint John to Boston takes 4h 27m
There are no direct flights from Saint John to Boston. There are no popular flight routes from Saint John to Boston.
Search flight deals

  • 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 27m 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 many operators does momondo search for flights from Saint John Airport to Boston Logan Intl Airport?

  • 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.

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

Best airlines flying from Saint John to Boston

Compare and see reviews for airlines that fly from Saint John to Boston with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 475Free CancellationRating
7.1
10,717 reviews
Search Air Canada flights

  • 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
Hampton Beach
Old Orchard Beach
Everett
Wells
Ogunquit
Dedham
West Yarmouth
Needham
Cambridge
Waltham
Saco
Warwick
Westbrook
Burlington
Foxborough
Scarborough
Cape Neddick
Fitchburg
Salem
Quincy

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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