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Cheap flights from Boston to St. John's from C$ 268

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YYT
22 Aug — 29 Aug1
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 23 July 2026.

Tue 15/95:50 a.m.
BOS
-
YYT
1 stop4h 53m
Air Canada
Tue 22/92:05 p.m.
YYT
-
BOS
1 stop5h 07m
Air Canada
Deal found 19/7C$ 545
Tue 15/93:55 p.m.
BOS
-
YYT
1 stop7h 30m
Porter Airlines
Tue 22/98:55 a.m.
YYT
-
BOS
2 stops8h 35m
Porter Airlines
Deal found 19/7C$ 558
Tue 22/93:55 p.m.
BOS
-
YYT
1 stop7h 30m
Porter Airlines
Sun 27/96:05 a.m.
YYT
-
BOS
2 stops12h 11m
Porter Airlines
Deal found 19/7C$ 559
Thu 1/103:55 p.m.
BOS
-
YYT
1 stop7h 30m
Porter Airlines
Sun 11/108:55 a.m.
YYT
-
BOS
2 stops8h 35m
Porter Airlines
Deal found 19/7C$ 569
Mon 19/103:55 p.m.
BOS
-
YYT
1 stop7h 30m
Porter Airlines
Thu 22/106:05 a.m.
YYT
-
BOS
2 stops10h 40m
Porter Airlines
Deal found 18/7C$ 588
Sun 8/119:50 a.m.
BOS
-
YYT
2 stops11h 55m
Porter Airlines
Fri 13/116:00 a.m.
YYT
-
BOS
2 stops11h 22m
Porter Airlines
Deal found 18/7C$ 593
Thu 1/1010:40 a.m.
BOS
-
YYT
1 stop4h 58m
Air Canada
Sun 11/102:05 p.m.
YYT
-
BOS
1 stop5h 07m
Air Canada
Deal found 19/7C$ 638
Mon 7/911:10 a.m.
BOS
-
YYT
1 stop10h 15m
Multiple Airlines
Wed 9/96:00 a.m.
YYT
-
BOS
2 stops10h 45m
Multiple Airlines
Deal found 21/7C$ 640

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 23 July 2026.

Round-trip from

C$ 545

One-way from

C$ 268

Popular in

April

Cheapest in

November

Average price

C$ 981
Air Canada
  • Air Canada
  • 15/9-22/9
  • 2 total stops
  • 10h 00m total
  • Boston to St. John's
Search Deals
Porter Airlines
  • Porter Airlines
  • 8/10
  • 1 total stop
  • 6h 25m total
  • Boston to St. John's
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 23 July 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
Quickest round-trip

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Tue 15/9

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

1 stop7h 30m

St John's

Tue 22/9

8:55 a.m.-4:00 p.m.

2 stops8h 35m

C$ 558

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Tue 25/8

10:05 a.m.-10:55 p.m.

1 stop11h 20m

St John's

Fri 28/8

6:05 a.m.-6:50 p.m.

2 stops14h 15m

C$ 699

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Mon 10/8

5:45 a.m.-11:21 p.m.

2 stops16h 06m

St John's

Mon 17/8

7:00 p.m.-9:53 a.m.

1 stop16h 23m

C$ 707

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Tue 11/8

10:05 a.m.-10:55 p.m.

1 stop11h 20m

St John's

Mon 17/8

7:00 p.m.-9:05 a.m.

1 stop15h 35m

C$ 716

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Mon 31/8

7:45 p.m.-10:55 p.m.

1 stop25h 40m

St John's

Mon 7/9

7:00 p.m.-9:05 a.m.

1 stop15h 35m

C$ 731

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Tue 4/8

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

1 stop10h 15m

St John's

Wed 12/8

6:00 a.m.-7:50 p.m.

2 stops15h 20m

C$ 817

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Tue 4/8

7:45 p.m.-12:35 p.m.

1 stop15h 20m

St John's

Thu 13/8

6:00 a.m.-7:50 p.m.

2 stops15h 20m

C$ 819

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Thu 6/8

7:45 p.m.-12:35 p.m.

1 stop15h 20m

St John's

Tue 11/8

7:00 p.m.-9:05 a.m.

1 stop15h 35m

C$ 823

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Tue 22/9

11:10 a.m.-12:55 a.m.

2 stops12h 15m

St John's

Sun 27/9

7:35 a.m.-9:05 a.m.

3 stops27h 00m

C$ 855

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Mon 31/8

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

3 stops14h 15m

St John's

Mon 7/9

4:00 p.m.-10:30 a.m.

3 stops20h 00m

C$ 860

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/7

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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

Currently, November is the cheapest month in which you can book a flight from Boston to St. John's (average of C$ 720). Flying from Boston to St. John's in April is currently the most expensive (average of C$ 1,075). 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 can get you from Boston to St. John's in just under 7h 30m. 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, November is the cheapest month in which you can book a flight from Boston to St. John's (average of C$ 720). Flying from Boston to St. John's in April is currently the most expensive (average of C$ 1,075). 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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