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$259+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — BOS
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap flight deals from St John to Boston

Best flights from St John to Boston
Discover carefully curated flight deals from St John to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

This Air Canada deal was found by Cheapflights users on 12/26. 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.
Thu 4/911:55 amYSJ - BOS
1 stop3h 57mAir Canada
Mon 4/135:30 amBOS - YSJ
1 stop4h 40mAir Canada
Deal found 12/26$462
This United Airlines deal was found by Cheapflights users on 12/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/114:15 pmYSJ - BOS
1 stop4h 27mUnited Airlines
Wed 2/187:05 amBOS - YSJ
2 stops7h 35mUnited Airlines
Deal found 12/27$524

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 December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$462
(Air Canada)

One-way from

$259
(Air Canada)
Provider with most accurate pricing for Saint John-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Saint John-Boston Logan Intl flights.
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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 December 28, 2025.
Use the filters below to find and compare flights from Saint John to Boston that are best for you.

Fly from

St John

Fly to

Boston

Route

Depart

Return

Price

Saint JohnBoston

YSJ - BOS

YSJBOS

Saint John

Thu 4/9

11:55 am-2:52 pm

1 stop3h 57m

Boston Logan Intl

Mon 4/13

5:30 am-11:10 am

1 stop4h 40m

$462

Saint JohnBoston

YSJ - BOS

YSJBOS

Saint John

Wed 2/11

4:15 pm-7:42 pm

1 stop4h 27m

Boston Logan Intl

Wed 2/18

7:05 am-3:40 pm

2 stops7h 35m

$524

Saint JohnBoston

YSJ - BOS

YSJBOS

Saint John

Tue 2/10

4:15 pm-7:42 pm

1 stop4h 27m

$259

Saint JohnBoston

YSJ - BOS

YSJBOS

Saint John

Tue 2/10

4:15 pm-11:49 pm

2 stops8h 34m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Saint John-Boston flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

Cheapflights Insights

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

What is the cheapest month to book a flight from Saint John to Boston?

Currently, May is the cheapest month in which you can book a flight from Saint John to Boston (average of $315). Flying from Saint John to Boston in December is currently the most expensive (average of $423). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 3h 57m. Air Canada provides one of the quickest options available for as low as $462. 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.

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

    Currently, May is the cheapest month in which you can book a flight from Saint John to Boston (average of $315). Flying from Saint John to Boston in December is currently the most expensive (average of $423). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Boston?

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