Find flights
When to book
FAQs

Cheap flights from Boston to St. John's from C$ 269

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 19/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YYT
28 May — 4 Jun1
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 28 April 2026.

Thu 9/73:25 p.m.
BOS
-
YYT
1 stop8h 00m
Porter Airlines
Tue 14/76:05 a.m.
YYT
-
BOS
2 stops12h 11m
Porter Airlines
Deal found 23/4C$ 558
Thu 24/911:15 a.m.
BOS
-
YYT
2 stops12h 10m
Porter Airlines
Mon 5/108:55 a.m.
YYT
-
BOS
2 stops8h 35m
Porter Airlines
Deal found 27/4C$ 563
Sat 23/53:25 p.m.
BOS
-
YYT
1 stop8h 00m
Porter Airlines
Sat 30/56:05 a.m.
YYT
-
BOS
2 stops10h 06m
Porter Airlines
Deal found 23/4C$ 589
Fri 5/611:15 a.m.
BOS
-
YYT
2 stops12h 11m
Porter Airlines
Mon 8/67:00 p.m.
YYT
-
BOS
1 stop17h 01m
Porter Airlines
Deal found 23/4C$ 620
Mon 28/910:40 a.m.
BOS
-
YYT
1 stop4h 58m
Air Canada
Wed 30/95:35 a.m.
YYT
-
BOS
1 stop5h 45m
Air Canada
Deal found 28/4C$ 624
Mon 8/63:25 p.m.
BOS
-
YYT
1 stop8h 01m
Porter Airlines
Thu 18/66:05 a.m.
YYT
-
BOS
2 stops15h 06m
Porter Airlines
Deal found 26/4C$ 654

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 28 April 2026.

Round-trip from

C$ 558

One-way from

C$ 269

Popular in

February

Cheapest in

March

Average price

C$ 909
Porter Airlines
  • Porter Airlines
  • 9/7-14/7
  • 3 total stops
  • 20h 11m total
  • Boston to St. John's
Search Deals
Porter Airlines
  • Porter Airlines
  • 19/6
  • 1 total stop
  • 8h 01m total
  • Boston to St. John's
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 28 April 2026.
Use the filters below to find and compare flights from Boston to St. John's that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Wed 10/6

10:45 a.m.-11:28 p.m.

2 stops11h 13m

St John's

Sat 20/6

11:05 a.m.-10:38 p.m.

2 stops13h 03m

C$ 668

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Sun 24/5

6:25 p.m.-10:28 a.m.

1 stop14h 33m

St John's

Sun 7/6

5:35 a.m.-9:45 a.m.

1 stop5h 40m

C$ 690

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Wed 24/6

5:45 a.m.-1:00 p.m.

1 stop5h 45m

St John's

Mon 29/6

6:05 p.m.-9:48 a.m.

2 stops17h 13m

C$ 692

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Tue 23/6

7:10 a.m.-10:55 p.m.

2 stops14h 15m

St John's

Tue 30/6

6:00 a.m.-7:41 p.m.

2 stops15h 11m

C$ 702

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Fri 12/6

3:25 p.m.-12:56 a.m.

1 stop8h 01m

St John's

Tue 23/6

8:50 a.m.-7:05 p.m.

2 stops11h 45m

C$ 732

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Sun 19/7

7:10 a.m.-10:55 p.m.

2 stops14h 15m

St John's

Wed 29/7

6:00 a.m.-7:41 p.m.

2 stops15h 11m

C$ 772
Quickest round-trip

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Tue 12/5

3:25 p.m.-12:55 a.m.

1 stop8h 00m

St John's

Sat 16/5

8:55 a.m.-3:55 p.m.

2 stops8h 30m

C$ 781

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Sat 23/5

7:10 a.m.-6:05 p.m.

2 stops9h 25m

St John's

Sun 31/5

6:05 a.m.-4:46 p.m.

2 stops12h 11m

C$ 795

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Sat 16/5

7:10 a.m.-6:05 p.m.

2 stops9h 25m

St John's

Sun 17/5

6:05 a.m.-4:46 p.m.

2 stops12h 11m

C$ 795

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Thu 30/7

3:25 p.m.-12:55 a.m.

1 stop8h 00m

St John's

Sun 16/8

10:00 a.m.-5:35 p.m.

1 stop9h 05m

C$ 821

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/4

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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?

Booking 77 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, March is the cheapest month in which you can book a flight from Boston to St. John's (average of C$ 729). Flying from Boston to St. John's in February is currently the most expensive (average of C$ 977). 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?

    Air Canada and Porter Airlines can get you from Boston to St. John's in just under 11h 13m. Your travel time can differ by up to 3h 02m. 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, March is the cheapest month in which you can book a flight from Boston to St. John's (average of C$ 729). Flying from Boston to St. John's in February is currently the most expensive (average of C$ 977). 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

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 Boston to St. John's

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Deer Lake flights
Hartford to St. John's flights
Boston to Gander flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Boston to St. John's flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Boston to St. John's for you. Better yet — we are completely free to use.

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.

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.