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Cheap flights from Saint John to Boston from C$ 694

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/4. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — BOS
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

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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 28 October 2025.

Thu 18/124:15 p.m.YSJ - BOS
1 stop4h 27mAir Canada
Thu 25/126:15 a.m.BOS - YSJ
2 stops8h 18mAir Canada
Deal found 26/10C$ 704
Mon 15/124:15 p.m.YSJ - BOS
1 stop4h 27mAir Canada
Thu 25/125:30 a.m.BOS - YSJ
1 stop9h 03mAir Canada
Deal found 26/10C$ 757
Mon 15/124:15 p.m.YSJ - BOS
1 stop4h 27mAir Canada
Sat 27/126:15 a.m.BOS - YSJ
2 stops8h 18mAir Canada
Deal found 26/10C$ 768
Mon 15/124:15 p.m.YSJ - BOS
1 stop4h 27mUnited Airlines
Thu 25/126:45 a.m.BOS - YSJ
2 stops7h 48mUnited Airlines
Deal found 26/10C$ 778
Mon 15/124:15 p.m.YSJ - BOS
1 stop4h 27mAir Canada
Wed 24/124:35 p.m.BOS - YSJ
2 stops21h 58mAir Canada
Deal found 26/10C$ 808
Thu 18/124:15 p.m.YSJ - BOS
2 stops9h 30mUnited Airlines
Thu 25/1210:15 a.m.BOS - YSJ
1 stop4h 18mUnited Airlines
Deal found 26/10C$ 815
Sun 21/125:40 a.m.YSJ - BOS
1 stop5h 17mAir Canada
Thu 25/125:30 a.m.BOS - YSJ
1 stop9h 03mAir Canada
Deal found 26/10C$ 831
Sat 20/124:15 p.m.YSJ - BOS
2 stops7h 22mAir Canada
Sat 27/126:15 a.m.BOS - YSJ
2 stops8h 18mAir Canada
Deal found 26/10C$ 842
Mon 15/124:15 p.m.YSJ - BOS
1 stop4h 27mAir Canada
Sun 28/126:15 a.m.BOS - YSJ
2 stops8h 18mAir Canada
Deal found 26/10C$ 848

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 28 October 2025.

Round-trip from

C$ 694
Air Canada
  • Air Canada
  • 13/4-15/4
  • 2 total stops
  • 8h 37m total
  • Saint John to Boston
Search Deals

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 629,999 searches. Data last updated 28 October 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

Mon 13/4

11:55 a.m.-2:52 p.m.

1 stop3h 57m

Boston Logan Intl

Wed 15/4

5:30 a.m.-11:10 a.m.

1 stop4h 40m

C$ 694

Saint JohnBoston

YSJ - BOS

YSJBOS

Saint John

Thu 18/12

4:15 p.m.-7:42 p.m.

1 stop4h 27m

Boston Logan Intl

Thu 25/12

6:15 a.m.-3:33 p.m.

2 stops8h 18m

C$ 704

Saint JohnBoston

YSJ - BOS

YSJBOS

Saint John

Mon 15/12

4:15 p.m.-7:42 p.m.

1 stop4h 27m

Boston Logan Intl

Thu 25/12

6:45 a.m.-3:33 p.m.

2 stops7h 48m

C$ 778

Saint JohnBoston

YSJ - BOS

YSJBOS

Saint John

Wed 17/12

4:15 p.m.-7:42 p.m.

1 stop4h 27m

Boston Logan Intl

Thu 25/12

6:45 a.m.-3:33 p.m.

2 stops7h 48m

C$ 778

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/10

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 C$ 441). Flying from Saint John to Boston in October is currently the most expensive (average of C$ 562). 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.

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated 28 October 2025.
Check out reviews from past customers who have flown with Air Canada from Saint John to Boston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,371 reviews
Check prices

Boarding

7.3

Comfort

7.1

Crew

7.8

Entertainment

6.8

Food

6.3

Overall

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2024

YVR - LAX

Seamless in all ways..arriving 25 minutes early into Los Angeles was outstanding
Air Canada
7.1
Good
10,371 reviews
Air Canada
7.1
Good
10,371 reviews
Check prices

Boarding

7.3

Comfort

7.1

Crew

7.8

Entertainment

6.8

Food

6.3

Overall

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2024

YVR - LAX

Seamless in all ways..arriving 25 minutes early into Los Angeles was outstanding

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?

    Airlines like Air Canada fly from Saint John to Boston in about 3h 57m. The time it takes to get you to your destination can typically vary by up to . The distance from Saint John to Boston is about 526 km.

  • What is the cheapest airline to fly from Saint John to Boston round-trip?

    Currently priced at C$ 488, Air Canada will fly you from Saint John to Boston and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip.

  • 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 C$ 441). Flying from Saint John to Boston in October is currently the most expensive (average of C$ 562). 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

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Medford
Chelsea
Waltham
Warwick
Milford
Braintree
Plymouth
Hampton
Old Orchard Beach
Revere
Merrimack
Kennebunk
Watertown
Sturbridge
Lawrence
Seekonk
Nashua

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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.
Moncton to Boston flights

Top airline flying from St John to Boston

Discover the top airline that operate flights from St John to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 28 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 488AverageC$ 696FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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How does Cheapflights help users find flights from St John to Boston?

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Can Cheapflights find flights from St John to Boston with no change fees?

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