HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boston

$269+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — BOS
Oct 30 — Nov 61
Thu 10/30
Thu 11/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St John to Boston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 September 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$633
(Air Canada)

One-way from

$269
(Air Canada)
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
Search Deals
One-way flight from Saint John to Boston Logan Intl
Search Deals

Find 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 September 30, 2025.

This Air Canada deal was found by Cheapflights users on 9/30. 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.
Fri 11/711:55 amYSJ - BOS
1 stop10h 32mAir Canada
Fri 11/145:30 amBOS - YSJ
1 stop4h 45mAir Canada
Deal found 9/30$633
This United deal was found by Cheapflights users on 9/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:15 pmYSJ - BOS
2 stops15h 57mMultiple Airlines
Fri 11/145:30 amBOS - YSJ
1 stop4h 45mMultiple Airlines
Deal found 9/30$665

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 September 30, 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

Fri 11/7

11:55 am-9:27 pm

1 stop10h 32m

Boston Logan Intl

Fri 11/14

5:30 am-11:15 am

1 stop4h 45m

$633

Saint JohnBoston

YSJ - BOS

YSJBOS

Saint John

Fri 11/7

6:15 pm-9:12 am

2 stops15h 57m

Boston Logan Intl

Fri 11/14

5:30 am-11:15 am

1 stop4h 45m

$665

Saint JohnBoston

YSJ - BOS

YSJBOS

Saint John

Thu 11/13

11:55 am-2:52 pm

1 stop3h 57m

$269

Saint JohnBoston

YSJ - BOS

YSJBOS

Saint John

Thu 11/13

12:00 pm-6:11 pm

3 stops31h 11m

$362

Saint JohnBoston

YSJ - BOS

YSJBOS

Saint John

Mon 10/13

5:55 am-9:55 am

1 stop5h 00m

$415

Saint JohnBoston

YSJ - BOS

YSJBOS

Saint John

Sun 10/12

5:55 am-9:55 am

1 stop5h 00m

$415

Saint JohnBoston

YSJ - BOS

YSJBOS

Saint John

Sun 10/12

10:45 am-6:28 pm

3 stops32h 43m

$441

Saint JohnBoston

YSJ - BOS

YSJBOS

Saint John

Mon 10/13

10:45 am-11:26 am

3 stops49h 41m

$456

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/29

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 September.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 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.

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, January is the cheapest month in which you can book a flight from Saint John to Boston (average of $218). Flying from Saint John to Boston in July is currently the most expensive (average of $311). 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 10h 32m. Air Canada provides one of the quickest options available for as low as $633. 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, January is the cheapest month in which you can book a flight from Saint John to Boston (average of $218). Flying from Saint John to Boston in July is currently the most expensive (average of $311). 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?

Book flights to Boston if you plan to visit one of these locations
Cambridge
Medford
Hampton Beach
Watertown
Seabrook
Seekonk
Lincoln
Lowell
Smithfield
Cranston
Chestnut Hill
Warwick
Peabody
Quincy
York Beach
Swansea
Old Orchard Beach
Brockton
Waltham
Chelsea

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St John to Boston

See prices for flight routes from nearby airports that may be better suited for you.
Moncton to Boston flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.