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Cheap flights from Boston to St. John's from C$ 272

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YYT
26 Feb — 5 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Boston to St. John's

Enter your travel dates to find the best prices.

Cheapest flights from Boston to St. John's
Explore the most affordable flight options available from Boston to St. John's. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 January 2026.

Fri 27/211:50 a.m.
BOS
-
YYT
2 stops10h 00m
Porter Airlines
Thu 5/36:20 a.m.
YYT
-
BOS
2 stops9h 55m
Porter Airlines
Deal found 26/1C$ 574
Wed 25/23:30 p.m.
BOS
-
YYT
1 stop8h 01m
Porter Airlines
Wed 4/36:00 a.m.
YYT
-
BOS
2 stops10h 15m
Porter Airlines
Deal found 26/1C$ 604
Thu 7/511:15 a.m.
BOS
-
YYT
1 stop10h 10m
Multiple Airlines
Tue 12/58:55 a.m.
YYT
-
BOS
2 stops27h 06m
Multiple Airlines
Deal found 26/1C$ 613
Thu 26/211:50 a.m.
BOS
-
YYT
2 stops10h 00m
Porter Airlines
Sun 1/36:00 a.m.
YYT
-
BOS
2 stops10h 15m
Porter Airlines
Deal found 26/1C$ 639
Wed 11/311:50 a.m.
BOS
-
YYT
2 stops11h 40m
Porter Airlines
Wed 18/36:20 a.m.
YYT
-
BOS
2 stops9h 55m
Porter Airlines
Deal found 25/1C$ 641
Thu 12/310:20 a.m.
BOS
-
YYT
2 stops13h 11m
Porter Airlines
Thu 19/36:20 a.m.
YYT
-
BOS
2 stops9h 55m
Porter Airlines
Deal found 26/1C$ 657
Tue 12/510:35 a.m.
BOS
-
YYT
2 stops7h 38m
Air Canada
Sat 16/52:05 p.m.
YYT
-
BOS
1 stop5h 10m
Air Canada
Deal found 26/1C$ 663

Find flight deals from Boston to St. John's

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to St. John's (YYT). 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 27 January 2026.

Round-trip from

C$ 574

One-way from

C$ 272

Popular in

February

Cheapest in

April

Average price

C$ 782
Porter Airlines
  • Porter Airlines
  • 27/2-5/3
  • 4 total stops
  • 19h 55m total
  • Boston to St. John's
Search Deals
Porter Airlines
  • Porter Airlines
  • 15/4
  • 2 total stops
  • 10h 06m total
  • Boston to St. John's
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 69 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to St. John's 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 27 January 2026.
Use the filters below to find and compare flights from Boston to St. John's that are best for you.

Fly from

Boston

Fly to

St. John's

Route

Depart

Return

Price

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Fri 27/2

11:50 a.m.-11:20 p.m.

2 stops10h 00m

St John's

Thu 5/3

6:00 a.m.-2:45 p.m.

2 stops10h 15m

C$ 578

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Thu 7/5

11:15 a.m.-10:55 p.m.

1 stop10h 10m

St John's

Tue 12/5

8:55 a.m.-10:31 a.m.

2 stops27h 06m

C$ 613

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Thu 26/2

3:30 p.m.-1:01 a.m.

1 stop8h 01m

St John's

Sun 1/3

6:00 a.m.-2:45 p.m.

2 stops10h 15m

C$ 649

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Fri 12/6

10:35 a.m.-7:43 p.m.

2 stops7h 38m

St John's

Wed 17/6

2:05 p.m.-5:45 p.m.

1 stop5h 10m

C$ 663

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Mon 8/6

3:40 p.m.-12:36 a.m.

1 stop7h 26m

St John's

Sun 21/6

2:05 p.m.-5:42 p.m.

1 stop5h 07m

C$ 663

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Sat 13/6

10:35 a.m.-7:43 p.m.

2 stops7h 38m

St John's

Wed 24/6

2:05 p.m.-5:42 p.m.

1 stop5h 07m

C$ 664

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Fri 12/6

10:35 a.m.-7:43 p.m.

2 stops7h 38m

St John's

Thu 25/6

2:05 p.m.-5:42 p.m.

1 stop5h 07m

C$ 664

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Sat 13/6

10:35 a.m.-7:43 p.m.

2 stops7h 38m

St John's

Tue 23/6

2:05 p.m.-5:42 p.m.

1 stop5h 07m

C$ 664

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Tue 12/5

10:35 a.m.-7:43 p.m.

2 stops7h 38m

St John's

Sat 16/5

2:05 p.m.-9:27 p.m.

2 stops8h 52m

C$ 667

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Sun 14/6

10:35 a.m.-5:11 p.m.

1 stop5h 06m

St John's

Sun 21/6

7:30 a.m.-2:41 p.m.

2 stops8h 41m

C$ 668

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/1

Showing 1-10 of 21 results
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Best time to book a flight from Boston to St. John's

Have a flexible travel schedule? Discover the best time to fly to St. John's from Boston 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 Boston to St. John's

How far ahead should I book a flight from Boston to St. John's?

Use this chart to determine the optimal time to book a round-trip flight from Boston to St. John's. Price data was last updated on 23 January 2026.

Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to St. John's. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Boston to St. John's?

Currently, August is the cheapest month in which you can book a flight from Boston to St. John's (average of C$ 315). Flying from Boston to St. John's in December is currently the most expensive (average of C$ 837). 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.

How much does it cost to fly round-trip from Boston to St. John's?

Related info for your journey

Find useful and relevant information for your journey from Boston to St. John's. 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 Boston to St. John's?

    Porter Airlines and Air Canada can get you from Boston to St. John's in just under 7h 38m. Your travel time can differ by up to 2h 22m. Boston and St. John's are separated by a distance of 1545 km. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston to St. John's 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 Boston to St. John's?

    Currently, August is the cheapest month in which you can book a flight from Boston to St. John's (average of C$ 315). Flying from Boston to St. John's in December is currently the most expensive (average of C$ 837). 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

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Alternative routes for Boston to St. John's

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Boston to St. John's?

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Why should you use Cheapflights to find cheap flight tickets from Boston to St. John's?

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

Need flexible booking options for your flight to St. John's from Boston? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Boston to St. John's become cheaper?

Yes! Start tracking prices for Boston to St. John's flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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