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Cheap flights from Boston to St. John's from C$ 287

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to St. John's departing on 5/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Boston to St. John's

Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
7:10 a.m. - 10:55 p.m.
BOS
-
YYT
14h 15m
2 stops
Porter Airlines Logo
10:00 a.m. - 7:44 p.m.
YYT
-
BOS
11h 14m
1 stop
C$ 643Porter Airlines
Wed, 8 Jul - Thu, 16 Jul
Porter Airlines Logo
8:25 p.m. - 12:08 a.m.
BOS
-
YYT
26h 13m
1 stop
Porter Airlines Logo
7:00 p.m. - 10:29 a.m.
YYT
-
BOS
16h 59m
1 stop
C$ 661Porter Airlines
Wed, 8 Jul - Thu, 16 Jul
Multiple Airlines Logo
7:10 a.m. - 10:55 p.m.
BOS
-
YYT
14h 15m
2 stops
Multiple Airlines Logo
3:00 p.m. - 4:44 p.m.
YYT
-
BOS
27h 14m
1 stop
C$ 685Multiple Airlines
Fri, 10 Jul - Tue, 14 Jul
Porter Airlines Logo
7:10 a.m. - 10:55 p.m.
BOS
-
YYT
14h 15m
2 stops
Porter Airlines Logo
6:00 a.m. - 7:44 p.m.
YYT
-
BOS
15h 14m
2 stops
C$ 691Porter Airlines
Wed, 8 Jul - Thu, 16 Jul
Porter Airlines Logo
7:10 a.m. - 10:55 p.m.
BOS
-
YYT
14h 15m
2 stops
Porter Airlines Logo
6:00 a.m. - 4:44 p.m.
YYT
-
BOS
12h 14m
2 stops
C$ 696Porter Airlines
Sun, 12 Jul - Thu, 23 Jul
Porter Airlines Logo
7:10 a.m. - 10:55 p.m.
BOS
-
YYT
14h 15m
2 stops
Porter Airlines Logo
6:00 a.m. - 4:44 p.m.
YYT
-
BOS
12h 14m
2 stops
C$ 698Porter Airlines
Sun, 12 Jul - Thu, 23 Jul
Porter Airlines Logo
10:05 a.m. - 12:08 a.m.
BOS
-
YYT
12h 33m
1 stop
Porter Airlines Logo
6:00 a.m. - 2:54 p.m.
YYT
-
BOS
10h 24m
2 stops
C$ 709Porter Airlines
Wed, 22 Jul - Sat, 25 Jul
Multiple Airlines Logo
7:30 p.m. - 10:55 p.m.
BOS
-
YYT
25h 55m
1 stop
Multiple Airlines Logo
10:00 a.m. - 6:35 p.m.
YYT
-
BOS
10h 05m
1 stop
C$ 711Multiple Airlines
Mon, 20 Jul - Thu, 23 Jul
Multiple Airlines Logo
7:10 a.m. - 10:55 p.m.
BOS
-
YYT
14h 15m
1 stop
Multiple Airlines Logo
6:00 a.m. - 4:44 p.m.
YYT
-
BOS
12h 14m
2 stops
C$ 713Multiple Airlines
Sun, 26 Jul - Wed, 29 Jul
Porter Airlines Logo
5:30 p.m. - 10:55 p.m.
BOS
-
YYT
27h 55m
2 stops
Porter Airlines Logo
7:00 p.m. - 9:05 a.m.
YYT
-
BOS
15h 35m
1 stop
C$ 715Porter Airlines
Tue, 4 Aug - Wed, 12 Aug

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Porter Airlines flights from Boston to St. John's

Our best Porter Airlines deals on Boston to St. John's flight tickets
Porter Airlines
8 Jul
BOS7:10 a.m.Boston Logan Intl
14h 15m
2 stops
YYT10:55 p.m.St John's
16 Jul
YYT10:00 a.m.St John's
11h 14m
1 stop
BOS7:44 p.m.Boston Logan Intl
C$ 643
Porter Airlines
8 Jul
BOS8:25 p.m.Boston Logan Intl
26h 13m
1 stop
YYT12:08 a.m.St John's
16 Jul
YYT7:00 p.m.St John's
16h 59m
1 stop
BOS10:29 a.m.Boston Logan Intl
C$ 661
Porter Airlines
16 Jul
BOS10:05 a.m.Boston Logan Intl
12h 33m
1 stop
YYT12:08 a.m.St John's
20 Jul
YYT6:00 a.m.St John's
12h 14m
2 stops
BOS4:44 p.m.Boston Logan Intl
C$ 677

Air Canada flights from Boston to St. John's

Our best Air Canada deals on Boston to St. John's flight tickets
Air Canada
29 Jun
BOS5:45 a.m.Boston Logan Intl
5h 45m
1 stop
YYT1:00 p.m.St John's
5 Jul
YYT5:35 a.m.St John's
9h 57m
2 stops
BOS2:02 p.m.Boston Logan Intl
C$ 794
Air Canada
29 Jun
BOS5:45 a.m.Boston Logan Intl
5h 45m
1 stop
YYT1:00 p.m.St John's
5 Jul
YYT5:35 a.m.St John's
5h 40m
1 stop
BOS9:45 a.m.Boston Logan Intl
C$ 795
Air Canada
29 Jun
BOS12:30 p.m.Boston Logan Intl
10h 45m
2 stops
YYT12:45 a.m.St John's
5 Jul
YYT5:35 a.m.St John's
9h 57m
2 stops
BOS2:02 p.m.Boston Logan Intl
C$ 913

momondo 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, momondo users made 96,600 searches. Data last updated 20 June 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 8/7

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

2 stops14h 15m

St John's

Thu 16/7

10:00 a.m.-7:44 p.m.

1 stop11h 14m

C$ 643

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Wed 8/7

8:25 p.m.-12:08 a.m.

1 stop26h 13m

St John's

Thu 16/7

7:00 p.m.-10:29 a.m.

1 stop16h 59m

C$ 661

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Fri 10/7

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

2 stops14h 15m

St John's

Tue 14/7

3:00 p.m.-4:44 p.m.

1 stop27h 14m

C$ 685

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Wed 8/7

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

2 stops14h 15m

St John's

Thu 16/7

6:00 a.m.-7:44 p.m.

2 stops15h 14m

C$ 691

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Sun 12/7

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

2 stops14h 15m

St John's

Thu 23/7

6:00 a.m.-4:44 p.m.

2 stops12h 14m

C$ 696

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Sun 12/7

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

2 stops14h 15m

St John's

Thu 23/7

6:00 a.m.-4:44 p.m.

2 stops12h 14m

C$ 698
Quickest round-trip

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Wed 22/7

10:05 a.m.-12:08 a.m.

1 stop12h 33m

St John's

Sat 25/7

6:00 a.m.-2:54 p.m.

2 stops10h 24m

C$ 709

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Mon 20/7

7:30 p.m.-10:55 p.m.

1 stop25h 55m

St John's

Thu 23/7

10:00 a.m.-6:35 p.m.

1 stop10h 05m

C$ 711

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Sun 26/7

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

1 stop14h 15m

St John's

Wed 29/7

6:00 a.m.-4:44 p.m.

2 stops12h 14m

C$ 713

BostonSt. John's

BOS - YYT

BOSYYT

Boston Logan Intl

Tue 4/8

5:30 p.m.-10:55 p.m.

2 stops27h 55m

St John's

Wed 12/8

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

1 stop15h 35m

C$ 715

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. John's from

How to get the cheapest flight ticket from Boston to St. John's

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Boston and St. John's?

What is the cheapest month to fly to St. John's?

In general, November is the cheapest month to fly from Boston to St. John's. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 723. If you’re not able to fly to St. John's in November, then March is your next best option. Flight prices from Boston to St. John's during March average around C$ 762.

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

You are more likely to see cheaper flights to St. John's from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to St. John's for around C$ 910 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. John's from Boston for as low as C$ 456 on momondo.

When to book flights from Boston to St. John's

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to St. John's according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to St. John's (BOS to YYT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to St. John's

Fastest flight time

7h 30m

Direct flights

None
The fastest flight from Boston to St. John's takes 7h 30m
There are no direct flights from Boston to St. John's. There are no popular flight routes from Boston to St. John's.
Search flight deals

Frequently asked questions about flying from Boston to St. John's

  • How far is Boston Logan Intl to St John's by plane?

    The straight-line distance from Boston Logan Intl to St John's is 1549.6 km. Typically, this will take 7h 30m by plane in normal conditions.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to St John's Airport?

    Prices for flights from Boston Logan Intl Airport to St John's Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Boston Logan Intl Airport to St John's Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to St John's Airport.

  • What documentation or ID do you need to fly to St John's Airport?

    The travel and health documents you'll need for your trip to St John's Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at St John's Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Boston to St. John's?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. John's from Boston.

Can I find flights from Boston to St. John's with flexible booking policies on momondo?

All flight searches from Boston to St. John's on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Boston to St. John's?

Once you have performed a search for Boston to St. John's flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Boston to St. John's right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Boston to St. John's flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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