BOS - YSJ

$195 Find Cheap Flights from Boston to Saint John

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to Saint John departing on 7/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Saint John

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Saint John, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Saint John, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

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Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$562
Multiple Airlines
Sun 7/12Fri 7/17
BOS - YSJ • 2 stops
Cheapest one-way
$195
Multiple Airlines
Tue 7/28
BOS - YSJ • 1 stop
Top airlines
Cheapest • from $643 (round-trip)
Best reviews • 7.1 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Boston and Saint John. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $695 (round-trip)
Shortest trip • 4h 12m (one-way)
Insights
Insights
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Saint John!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Boston to Saint John (BOS-YSJ)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Boston to Saint John that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Saint John

Sun, Jul 12 - Fri, Jul 17
Multiple Airlines Logo
3:35 pm - 10:00 am
BOS
-
YSJ
17h 25m
2 stops
Multiple Airlines Logo
10:45 am - 6:35 pm
YSJ
-
BOS
8h 50m
1 stop
$562Multiple Airlines
Sun, Jul 12 - Fri, Jul 17
Multiple Airlines Logo
3:35 pm - 10:00 am
BOS
-
YSJ
17h 25m
2 stops
Multiple Airlines Logo
10:45 am - 8:55 pm
YSJ
-
BOS
11h 10m
2 stops
$574Multiple Airlines
Sat, Nov 21 - Mon, Nov 23
Air Canada Logo
5:30 am - 10:25 am
BOS
-
YSJ
3h 55m
1 stop
Air Canada Logo
11:05 am - 2:37 pm
YSJ
-
BOS
4h 32m
1 stop
$643Air Canada
Sat, Nov 21 - Mon, Nov 23
Air Canada Logo
5:30 am - 10:25 am
BOS
-
YSJ
3h 55m
1 stop
Air Canada Logo
11:05 am - 6:50 pm
YSJ
-
BOS
8h 45m
2 stops
$648Air Canada
Sun, Jul 12 - Fri, Jul 17
Air Canada Logo
10:40 am - 3:45 pm
BOS
-
YSJ
4h 05m
1 stop
Air Canada Logo
4:40 pm - 9:27 pm
YSJ
-
BOS
5h 47m
1 stop
$662Air Canada
Sat, Jul 11 - Wed, Jul 15
Air Canada Logo
10:40 am - 3:45 pm
BOS
-
YSJ
4h 05m
1 stop
Air Canada Logo
12:50 pm - 6:22 pm
YSJ
-
BOS
6h 32m
1 stop
$674Air Canada
Sat, Jul 11 - Wed, Jul 15
Air Canada Logo
10:40 am - 3:45 pm
BOS
-
YSJ
4h 05m
1 stop
Air Canada Logo
4:40 pm - 10:38 pm
YSJ
-
BOS
6h 58m
2 stops
$676Air Canada
Sat, Jul 11 - Wed, Jul 15
Air Canada Logo
4:55 pm - 11:50 pm
BOS
-
YSJ
5h 55m
1 stop
Air Canada Logo
5:00 am - 11:52 am
YSJ
-
BOS
7h 52m
1 stop
$684Air Canada
Sat, Jul 11 - Wed, Jul 15
Air Canada Logo
4:55 pm - 11:50 pm
BOS
-
YSJ
5h 55m
1 stop
Air Canada Logo
4:40 pm - 10:38 pm
YSJ
-
BOS
6h 58m
2 stops
$687Air Canada
Sat, Jul 11 - Wed, Jul 15
Air Canada Logo
6:00 am - 3:45 pm
BOS
-
YSJ
8h 45m
2 stops
Air Canada Logo
4:40 pm - 10:38 pm
YSJ
-
BOS
6h 58m
2 stops
$689Air Canada
Booking Insights

KAYAK's insights & trends for Boston to Saint John flights

Get data-powered insights and trends into flights from Boston to Saint John to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Boston to Saint John?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 5 days.

In the past 5 days, the cheapest round-trip tickets from Boston to Saint John were found on Air Canada ($643) and United Airlines ($783).

Good to know

Cheapest flight$195
Flight from Boston to Saint John

When to book flights from Boston to Saint John

Are your dates flexible? Find out the best times to travel from Boston to Saint John based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Boston to Saint John

  • What is the cheapest flight from Boston to Saint John?

    In the last 5 days, the lowest price for a flight from Boston to Saint John was $195 for a one-way ticket and $562 for a round-trip.

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

    Yes

  • Which aircraft models fly most regularly from Boston to Saint John?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Boston to Saint John?

    Star Alliance is the only airline alliance operating flights between Boston and Saint John.

  • How does KAYAK find such low prices on flights from Boston to Saint John?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Boston to Saint John.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boston to Saint John?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Saint John from Boston is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Boston to Saint John?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Saint John with an airline and back to Boston with another airline. Booking your flights between Boston and YSJ can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boston to Saint John?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Saint John from Boston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Boston to Saint John

 
See real verified KAYAK customer reviews for airlines flying from Boston to Saint John. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Boston to Saint John? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.1
Air CanadaOverall score based on 11197 reviews
7.8Crew
7.1Comfort
6.3Food
6.8Entertainment
7.3Boarding
Airline reviews

1didnt have wheel chair I ordered wheel chair in my ticket flight

10.0 ExcellentBoujemaa, Jun 2026
DEN - YUL
Read more Air Canada reviews

1didnt have wheel chair I ordered wheel chair in my ticket flight

Flight was overbooked and seats assigned to multiple passengers. Delay 1 hour to sort out.

Good but I don’t received my bags yet is been 5days still no update

It was pretty straight forward, no glitches or hidden costs

It was a short flight so, everything went smoothly and we got to where we needed to be safely.

Didn’t make it on the flight. Delayed then had to be rebooked, which in turn had me waiting at the airport for another 8 hours before next flight

No TV on the flight. The charging outlet was not working. No food, even a sandwich. The served orange was poor quality.

Selected seats 5 months prior to date. Had email confirmation and seats were not honoured. Family did not sit together

The flight was comfortable and the staff were helpful and friendly. However, we did not know we were flying PAL until we arrived in Canada, so it was a bit disconcerting. In addition, which port we were leaving from was confusing.

They did not let us board because one member needed a transit visa, which was not evident at the time of ticket purchase.

Everything you need to know for your flight from Boston to Saint John

Information on your arrival and departure airports