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Cheap flights from Boston to St. John's from C$ 213

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YYT
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap 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 11 September 2025.

Round-trip from

C$ 524

One-way from

C$ 213

Popular in

December

Cheapest in

April

Average price

C$ 780
1/10-7/10
  • 1/10-7/10
  • 2 total stops
  • 29h 39m total
  • Boston to St. John's
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Porter Airlines
  • Porter Airlines
  • 9/10
  • 2 total stops
  • 14h 23m total
  • Boston to St. John's
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 2% potential price decrease (C$ 21 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Boston to St. John's

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 11 September 2025.

Fri 24/103:30 p.m.BOS - YYT
1 stop7h 38mPorter Airlines
Mon 27/106:00 a.m.YYT - BOS
2 stops10h 15mPorter Airlines
Deal found 9/9C$ 459
Fri 24/103:30 p.m.BOS - YYT
1 stop7h 38mPorter Airlines
Fri 31/106:00 a.m.YYT - BOS
2 stops10h 15mPorter Airlines
Deal found 9/9C$ 497
Fri 17/106:30 p.m.BOS - YYT
2 stops26h 56mMultiple Airlines
Mon 20/106:00 a.m.YYT - BOS
1 stop10h 11mMultiple Airlines
Deal found 9/9C$ 511
Wed 1/103:30 p.m.BOS - YYT
1 stop7h 38mMultiple Airlines
Tue 7/103:00 p.m.YYT - BOS
1 stop22h 01mMultiple Airlines
Deal found 10/9C$ 524
Thu 16/108:45 a.m.BOS - YYT
2 stops14h 23mPorter Airlines
Mon 20/101:15 p.m.YYT - BOS
1 stop6h 43mPorter Airlines
Deal found 9/9C$ 529
Wed 8/103:30 p.m.BOS - YYT
1 stop7h 38mPorter Airlines
Wed 15/106:00 a.m.YYT - BOS
1 stop12h 21mPorter Airlines
Deal found 10/9C$ 563

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 11 September 2025.
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

Wed 1/10

3:30 p.m.-12:38 a.m.

1 stop7h 38m

St John's

Tue 7/10

3:00 p.m.-11:31 a.m.

1 stop22h 01m

C$ 524

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Fri 24/10

3:30 p.m.-12:38 a.m.

1 stop7h 38m

St John's

Mon 27/10

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

2 stops10h 15m

C$ 543

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Sat 11/10

3:50 p.m.-12:38 a.m.

1 stop7h 18m

St John's

Sat 18/10

1:15 p.m.-11:31 a.m.

2 stops23h 46m

C$ 561

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Wed 8/10

3:30 p.m.-12:38 a.m.

1 stop7h 38m

St John's

Wed 15/10

6:00 a.m.-4:51 p.m.

1 stop12h 21m

C$ 563

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Wed 8/10

10:10 a.m.-10:56 p.m.

1 stop11h 16m

St John's

Wed 15/10

6:00 a.m.-4:51 p.m.

1 stop12h 21m

C$ 590

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Wed 1/10

7:15 p.m.-4:58 p.m.

3 stops20h 13m

St John's

Tue 7/10

6:00 a.m.-2:41 p.m.

1 stop10h 11m

C$ 622

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Sat 11/10

3:50 p.m.-12:38 a.m.

1 stop7h 18m

St John's

Mon 13/10

3:00 p.m.-11:31 a.m.

1 stop22h 01m

C$ 624

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Thu 9/10

8:45 a.m.-12:38 a.m.

2 stops14h 23m

C$ 245

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Thu 16/10

8:45 a.m.-9:48 p.m.

3 stops11h 33m

C$ 251

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Thu 16/10

8:45 a.m.-10:56 p.m.

1 stop12h 41m

C$ 265

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 13 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 29 August 2025.

Booking 32 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, May is the cheapest month in which you can book a flight from Boston to St. John's (average of C$ 221). Flying from Boston to St. John's in December is currently the most expensive (average of C$ 382). 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 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 can get you from Boston to St. John's in just under 7h 38m. Your travel time can differ by up to . Boston and St. John's are separated by a distance of 1545 km.

  • 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, May is the cheapest month in which you can book a flight from Boston to St. John's (average of C$ 221). Flying from Boston to St. John's in December is currently the most expensive (average of C$ 382). 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

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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.
Hartford to St. John's flights
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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.

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