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$206+ Cheap flights from Saint John (YSJ) to Boston (BOS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — BOS
Sep 15 — Sep 221
Tue 9/15
Tue 9/22
1 adult, Economy
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Cheap flight deals from St John to Boston

Cheapest flights from St John to Boston
Explore the most affordable flight options available from St John to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2026.

This Air Canada deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/264:40 pm -
1 stop5h 46m
Sat 10/310:40 am -
1 stop4h 19m
Deal found 8/12$517
This Air Canada deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/84:40 pm -
1 stop5h 46m
Tue 9/1510:40 am -
1 stop4h 19m
Deal found 8/11$538
This Air Canada deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:05 am -
2 stops8h 44m
Wed 10/285:30 am -
1 stop3h 55m
Deal found 8/13$611
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2810:45 am -
1 stop23h 20m
Mon 10/510:05 am -
2 stops12h 10m
Deal found 8/14$618
This Air Canada deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/284:40 pm -
1 stop5h 46m
Mon 10/510:40 am -
1 stop4h 19m
Deal found 8/14$621

Find flight deals from St John to Boston

Discover tips and strategies to find the most affordable flight options for your journey from St John (YSJ) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$517
(Air Canada)

One-way from

$206
(Kiwi.com)
Provider with most accurate pricing for Saint John-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Saint John-Boston Logan Intl flights.
Search Deals
From Saint John to Boston Logan Intl
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One-way flight from Saint John to Boston Logan Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from St 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, Cheapflights users made 2,558,603 searches. Data last updated August 16, 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

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Sat 9/26

4:40 pm-9:26 pm

1 stop5h 46m

Boston Logan Intl

Sat 10/3

10:40 am-3:59 pm

1 stop4h 19m

$517
Quickest round-trip

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Tue 2/9

11:05 am-2:53 pm

1 stop4h 48m

Boston Logan Intl

Thu 2/11

5:30 am-10:25 am

1 stop3h 55m

$517

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Tue 9/8

12:50 pm-9:26 pm

2 stops9h 36m

Boston Logan Intl

Tue 9/15

6:00 am-3:59 pm

2 stops8h 59m

$568

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Tue 10/27

11:05 am-2:53 pm

1 stop4h 48m

Boston Logan Intl

Wed 10/28

5:30 am-10:25 am

1 stop3h 55m

$611

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Sat 11/14

11:05 am-2:53 pm

1 stop4h 48m

Boston Logan Intl

Sat 11/14

6:35 pm-10:25 am

1 stop14h 50m

$655

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Fri 9/25

4:40 pm-9:26 pm

1 stop5h 46m

Boston Logan Intl

Fri 10/2

10:40 am-3:59 pm

1 stop4h 19m

$694
Cheapest one-way

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Fri 9/11

10:45 am-1:40 pm

1 stop27h 55m

$206

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Mon 9/28

10:45 am-9:05 am

1 stop23h 20m

$220

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Wed 9/9

10:45 am-3:50 pm

2 stops30h 05m

$259

Saint JohnBoston

YSJ Saint John - BOS Boston Logan Intl

YSJBOS

Saint John

Wed 8/26

10:45 am-6:50 pm

1 stop9h 05m

$278

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Compare providers for flights from St John to Boston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St John to Boston in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Saint John-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Saint John-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Saint John-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Saint John-Boston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Saint John-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St John to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from St John with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from St John to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Saint John to Boston?

    A quick flight from Saint John to Boston can take about 5h 46m. Air Canada provides one of the quickest options available for as low as $517. Airlines will cover a distance of 327 mi.

  • Can I find deals for flights from St John to Boston that include hotel bookings?

    Yes. In addition to deals on St John to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St John to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St John to Boston.

  • Can I find deals for business class flights from St John to Boston?

    Yes. Cheapflights offers flight deals from St John to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Waltham
Randolph
Concord
Cambridge
Brockton
Seekonk
Cranston
Dedham
Warwick
Peabody
Auburn
Chelsea
York Beach
Londonderry
Revere
Fitchburg
Swansea
North Falmouth
Braintree
Sandwich

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Alternative routes for St John to Boston

See prices for flight routes from nearby airports that may be better suited for you.
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