BOS - YSJ

$518 Find Cheap Flights from Boston to Saint John

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to Saint John departing on 7/18. 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.
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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
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Flights Deals

Cheap Flight Deals 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.

Recent round-trip flight deals from Boston to Saint John

KAYAK's recommended round-trip deals from the most popular airlines that fly from Boston to Saint John.
Discover the best prices for you by selecting your travel dates on KAYAK.
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5:50 am - 10:49 amBOS-YSJ
3h 59m1 stop
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11:35 am - 2:35 pmYSJ-BOS
4h 00m1 stop
Fri, Jul 18 - Tue, Jul 22
Air Canada Logo
5:50 am - 10:49 amBOS-YSJ
3h 59m1 stop
Air Canada Logo
5:25 am - 11:28 amYSJ-BOS
7h 03m1 stop
$522Air Canada
Find Deal
Mon, Jun 9 - Mon, Jun 16
United Airlines Logo
5:50 am - 10:49 amBOS-YSJ
3h 59m1 stop
United Airlines Logo
5:30 am - 11:28 amYSJ-BOS
6h 58m1 stop
$524United Airlines
Find Deal
Wed, Jun 11 - Wed, Jun 18
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5:50 am - 10:49 amBOS-YSJ
3h 59m1 stop
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11:35 am - 10:38 pmYSJ-BOS
12h 03m2 stops
Fri, Jul 18 - Tue, Jul 22
United Airlines Logo
5:50 am - 10:49 amBOS-YSJ
3h 59m1 stop
United Airlines Logo
11:35 am - 5:44 pmYSJ-BOS
7h 09m2 stops
$533United Airlines
Find Deal
Fri, Jul 18 - Tue, Jul 22
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5:45 am - 11:20 amBOS-YSJ
28h 35m3 stops
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10:45 am - 10:53 pmYSJ-BOS
37h 08m2 stops
Wed, Jun 11 - Wed, Jun 18
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6:05 am - 5:45 pmBOS-YSJ
10h 40m2 stops
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11:35 am - 10:38 pmYSJ-BOS
12h 03m2 stops
Fri, Jul 18 - Tue, Jul 22
United Airlines Logo
6:00 am - 5:45 pmBOS-YSJ
10h 45m1 stop
United Airlines Logo
11:35 am - 2:35 pmYSJ-BOS
4h 00m1 stop
$548United Airlines
Find Deal
Fri, Jul 18 - Tue, Jul 22
United Airlines Logo
7:00 am - 5:45 pmBOS-YSJ
9h 45m2 stops
United Airlines Logo
11:35 am - 5:44 pmYSJ-BOS
7h 09m2 stops
$549United Airlines
Find Deal
Fri, Jul 18 - Tue, Jul 22
Air Canada Logo
7:00 pm - 10:49 amBOS-YSJ
14h 49m2 stops
Air Canada Logo
5:25 am - 11:28 amYSJ-BOS
7h 03m1 stop
$553Air Canada
Find Deal
Mon, Jun 9 - Mon, Jun 16
Useful Info

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 72 hours.

In the past 3 days, the cheapest round-trip tickets from Boston to Saint John were found on Air Canada ($522) and United Airlines ($524).

Good to know

Cheapest flight$518
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 3 days, the lowest price for a flight from Boston to Saint John was $518 for a round-trip ticket.

  • 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.

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

Information on your arrival and departure airports

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