YSJ - BOS

C$ 384 Find Cheap Flights from Saint John to Boston – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
C$ 696
Typical prices: C$ 683-C$ 690
Air Canada
Thu 25/10Thu 1/11
YSJ - BOS • 1 stop
Cheapest one-way flights
C$ 384
Typical prices: C$ 375-C$ 762
Air Canada
Tue 9/10
YSJ - BOS • 1 stop
Top layover airports
Montreal Pierre Elliott Trudeau Intl (YUL)
Cheapest • Avg C$ 683 (round-trip)
Toronto Pearson Intl (YYZ)
Shortest trip • 7h 43m (one-way)
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Cheap Flights from Saint John to Boston (YSJ-BOS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Saint John to Boston

Sun, 25 Oct - Sun, 1 Nov
Air Canada Logo
5:00 a.m. - 10:22 a.m.YSJ  Saint John-BOS Boston Logan Intl
6h 22m1 stop Toronto Pearson Intl
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$ 696Air Canada
Sun, 25 Oct - Sun, 1 Nov
Air Canada Logo
5:00 a.m. - 10:22 a.m.YSJ  Saint John-BOS Boston Logan Intl
6h 22m1 stop Toronto Pearson Intl
Air Canada Logo
5:30 a.m. - 5:19 p.m.BOS  Boston Logan Intl-YSJ Saint John
10h 49m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
C$ 743Air Canada
Tue, 8 Dec - Thu, 10 Dec
Air Canada Logo
11:05 a.m. - 2:53 p.m.YSJ  Saint John-BOS Boston Logan Intl
4h 48m1 stop Montreal Pierre Elliott Trudeau Intl
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$ 813Air Canada
Tue, 8 Dec - Thu, 10 Dec
Air Canada Logo
11:05 a.m. - 2:53 p.m.YSJ  Saint John-BOS Boston Logan Intl
4h 48m1 stop Montreal Pierre Elliott Trudeau Intl
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$ 814Air Canada
Tue, 8 Dec - Thu, 10 Dec
Air Canada Logo
11:05 a.m. - 2:53 p.m.YSJ  Saint John-BOS Boston Logan Intl
4h 48m1 stop Montreal Pierre Elliott Trudeau Intl
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$ 816Air Canada
Sat, 5 Dec - Mon, 7 Dec
Air Canada Logo
11:05 a.m. - 2:53 p.m.YSJ  Saint John-BOS Boston Logan Intl
4h 48m1 stop Montreal Pierre Elliott Trudeau Intl
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$ 818Air Canada
Tue, 8 Dec - Thu, 10 Dec
Air Canada Logo
11:05 a.m. - 5:58 p.m.YSJ  Saint John-BOS Boston Logan Intl
7h 53m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
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$ 824Air Canada
Fri, 25 Sep - Sat, 26 Sep
Air Canada Logo
5:00 a.m. - 9:55 a.m.YSJ  Saint John-BOS Boston Logan Intl
5h 55m1 stop Toronto Pearson 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$ 825Air Canada
Thu, 29 Oct - Thu, 5 Nov
Air Canada Logo
11:05 a.m. - 2:43 p.m.YSJ  Saint John-BOS Boston Logan Intl
4h 38m1 stop Montreal Pierre Elliott Trudeau Intl
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$ 828Air Canada
Sat, 5 Dec - Mon, 7 Dec
Air Canada Logo
11:05 a.m. - 5:58 p.m.YSJ  Saint John-BOS Boston Logan Intl
7h 53m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
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$ 829Air Canada
Booking Insights

Price, demand, and travel trends for Saint John to Boston flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Saint John to Boston with more confidence.

How much is a round-trip flight from Saint John to Boston?

Round-trip flights from Saint John to Boston start at C$ 696. Prices are above average for this route right now, with typical round-trip fares ranging from C$ 683 to C$ 690. The lowest price found in the past 5 days was C$ 696 on Air Canada.

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Key details for Saint John to Boston flights

Cheapest flight

C$ 384
Flights from Saint John to Boston

When to book flights from Saint John to Boston

Are your dates flexible? Find out the best times to travel from Saint John to Boston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Saint John to Boston flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from Saint John to Boston?

    Flights from Saint John to Boston usually depart from Saint John (YSJ) and arrive at Boston Logan Intl (BOS).

  • Which cabin classes can I book on flights from Saint John to Boston?

    Only Economy Class is available on flights from Saint John to Boston.

  • Which airports do connecting flights from Saint John to Boston pass through?

    Connecting flights from Saint John to Boston most commonly pass through:

    • Toronto Pearson Intl (YYZ) – 75% of one-stop connections
    • Montreal Pierre Elliott Trudeau Intl (YUL) – 25% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Saint John to Boston?

    Yes. Being flexible with your travel dates can save you up to 6% on the Saint John to Boston route. Thursday is the cheapest departure day at C$ 651 round-trip on average, while Saturday is the most expensive at C$ 691, a difference of C$ 40. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • Which popular places can I visit in Boston?

    Some of the most popular sights in Boston are Fenway Park, TD Garden, and Back Bay. These are among the most viewed places in Boston on KAYAK.

  • How long does a flight from Saint John to Boston take?

    There are currently no direct flights available from Saint John to Boston. Flights with 1 layover take between 4h 17m and 7h 43m in total, depending on the connection.

  • Do I need a passport to fly from Saint John to Boston?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Saint John to Boston changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 696 to C$ 2,247. That means the highest observed fare was about 3x higher than the lowest one.

  • How are flight prices from Saint John to Boston looking right now?

    One-way fares from Saint John to Boston are currently lower than usual. Average one-way flight prices are about C$ 435, which is 25% below the typical average for this route.

  • How much time can I save by choosing a different layover airport when travelling from Saint John to Boston?

    Flying via Montreal Pierre Elliott Trudeau Intl (YUL) gives the shortest average 1-stop total travel time at 4h 17m, compared with 7h 43m via Toronto Pearson Intl (YYZ).

  • What is the time difference between Saint John and Boston?

    Boston is 1 hour behind Saint John (Eastern Time vs Atlantic Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Boston Logan Intl Airport (BOS)?

    Boston Logan Intl Airport (BOS) hosts 5 major car rental companies, with daily rates starting from around C$ 32 for economy cars. Top options include:
    • Dollar
    • Hertz
    • Budget
    • Thrifty
    • Sixt

Your guide to booking Saint John to Boston flights

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