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Cheap flights from Boston to Saint John from $180

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 Saint John departing on 7/7. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Saint John

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:10 am - 11:15 pm
BOS
-
YSJ
15h 05m
2 stops
Multiple Airlines Logo
10:45 am - 9:05 am
YSJ
-
BOS
23h 20m
1 stop
$598Multiple Airlines
Fri, Jul 17 - Fri, Jul 24
Multiple Airlines Logo
8:10 pm - 10:00 am
BOS
-
YSJ
12h 50m
1 stop
Multiple Airlines Logo
6:55 am - 8:55 pm
YSJ
-
BOS
15h 00m
1 stop
$654Multiple Airlines
Thu, Aug 13 - Thu, Aug 20
Air Canada Logo
10:40 am - 3:45 pm
BOS
-
YSJ
4h 05m
1 stop
Air Canada Logo
4:40 pm - 9:27 pm
YSJ
-
BOS
5h 47m
1 stop
$662Air Canada
Thu, Jul 23 - Thu, Jul 30
Multiple Airlines Logo
4:45 pm - 10:00 am
BOS
-
YSJ
16h 15m
2 stops
Multiple Airlines Logo
6:55 am - 8:55 pm
YSJ
-
BOS
15h 00m
1 stop
$665Multiple Airlines
Thu, Aug 13 - Thu, Aug 20
Air Canada Logo
10:40 am - 3:45 pm
BOS
-
YSJ
4h 05m
1 stop
Air Canada Logo
12:50 pm - 6:22 pm
YSJ
-
BOS
6h 32m
1 stop
$674Air Canada
Sat, Jul 11 - Wed, Jul 15
Air Canada Logo
10:40 am - 3:45 pm
BOS
-
YSJ
4h 05m
1 stop
Air Canada Logo
4:40 pm - 10:38 pm
YSJ
-
BOS
6h 58m
2 stops
$676Air Canada
Sat, Jul 11 - Wed, Jul 15
Air Canada Logo
4:55 pm - 11:50 pm
BOS
-
YSJ
5h 55m
1 stop
Air Canada Logo
5:00 am - 9:53 am
YSJ
-
BOS
5h 53m
1 stop
$679Air Canada
Fri, Jul 10 - Sun, Jul 12
Air Canada Logo
5:00 pm - 11:50 pm
BOS
-
YSJ
5h 50m
1 stop
Air Canada Logo
5:40 am - 11:52 am
YSJ
-
BOS
7h 12m
1 stop
$680Air Canada
Tue, Jun 23 - Wed, Jun 24
Air Canada Logo
4:55 pm - 11:50 pm
BOS
-
YSJ
5h 55m
1 stop
Air Canada Logo
5:00 am - 2:41 pm
YSJ
-
BOS
10h 41m
2 stops
$687Air Canada
Fri, Jul 10 - Sun, Jul 12
Air Canada Logo
5:00 pm - 11:50 pm
BOS
-
YSJ
5h 50m
1 stop
Air Canada Logo
4:35 pm - 10:38 pm
YSJ
-
BOS
7h 03m
2 stops
$688Air Canada
Tue, Jun 23 - Wed, Jun 24

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Air Canada flights from Boston to Saint John

Our best Air Canada deals on Boston to Saint John flight tickets
Air Canada
Jul 23
BOS10:40 amBoston Logan Intl
4h 05m
1 stop
YSJ3:45 pmSaint John
Jul 30
YSJ4:40 pmSaint John
5h 47m
1 stop
BOS9:27 pmBoston Logan Intl
$662
Air Canada
Jul 11
BOS10:40 amBoston Logan Intl
4h 05m
1 stop
YSJ3:45 pmSaint John
Jul 15
YSJ12:50 pmSaint John
6h 32m
1 stop
BOS6:22 pmBoston Logan Intl
$674
Air Canada
Jul 11
BOS10:40 amBoston Logan Intl
4h 05m
1 stop
YSJ3:45 pmSaint John
Jul 15
YSJ4:40 pmSaint John
6h 58m
2 stops
BOS10:38 pmBoston Logan Intl
$676

United Airlines flights from Boston to Saint John

Our best United Airlines deals on Boston to Saint John flight tickets
United Airlines
Jul 20
BOS10:40 amBoston Logan Intl
4h 09m
1 stop
YSJ3:49 pmSaint John
Jul 27
YSJ4:40 pmSaint John
5h 47m
1 stop
BOS9:27 pmBoston Logan Intl
$845
United Airlines
Jul 21
BOS6:05 amBoston Logan Intl
8h 40m
2 stops
YSJ3:45 pmSaint John
Jul 28
YSJ4:40 pmSaint John
5h 47m
1 stop
BOS9:27 pmBoston Logan Intl
$855
United Airlines
Jul 21
BOS6:05 amBoston Logan Intl
8h 40m
2 stops
YSJ3:45 pmSaint John
Jul 28
YSJ4:40 pmSaint John
9h 34m
2 stops
BOS1:14 amBoston Logan Intl
$871

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Saint John 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 832,500 searches. Data last updated June 10, 2026.
Use the filters below to find and compare flights from Boston to Saint John that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Fri 7/17

7:10 am-11:15 pm

2 stops15h 05m

Saint John

Fri 7/24

10:45 am-9:05 am

1 stop23h 20m

$598

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Thu 8/13

8:10 pm-10:00 am

1 stop12h 50m

Saint John

Thu 8/20

6:55 am-8:55 pm

1 stop15h 00m

$654
Quickest round-trip

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Thu 7/23

10:40 am-3:45 pm

1 stop4h 05m

Saint John

Thu 7/30

4:40 pm-9:27 pm

1 stop5h 47m

$662

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Thu 8/13

4:45 pm-10:00 am

2 stops16h 15m

Saint John

Thu 8/20

6:55 am-8:55 pm

1 stop15h 00m

$665

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Sat 7/11

10:40 am-3:45 pm

1 stop4h 05m

Saint John

Wed 7/15

12:50 pm-6:22 pm

1 stop6h 32m

$674

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Sat 7/11

10:40 am-3:45 pm

1 stop4h 05m

Saint John

Wed 7/15

4:40 pm-10:38 pm

2 stops6h 58m

$676

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Fri 7/10

4:55 pm-11:50 pm

1 stop5h 55m

Saint John

Sun 7/12

5:00 am-9:53 am

1 stop5h 53m

$679

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Tue 6/23

5:00 pm-11:50 pm

1 stop5h 50m

Saint John

Wed 6/24

5:40 am-11:52 am

1 stop7h 12m

$680

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Fri 7/10

4:55 pm-11:50 pm

1 stop5h 55m

Saint John

Sun 7/12

5:00 am-2:41 pm

2 stops10h 41m

$687

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Tue 6/23

5:00 pm-11:50 pm

1 stop5h 50m

Saint John

Wed 6/24

4:35 pm-10:38 pm

2 stops7h 03m

$688

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Saint John from

How to get the cheapest flight ticket from Boston to Saint John

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 cheapest airline that flies from Boston Logan Intl to Saint John?

Air Canada is the most popular carrier operating from Boston Logan Intl to Saint John

When to book flights from Boston to Saint John

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

Cheap Boston to Saint John (BOS to YSJ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Saint John

Fastest flight time

4h 10m

Direct flights

None
The fastest flight from Boston to Saint John takes 4h 10m
There are no direct flights from Boston to Saint John. There are no popular flight routes from Boston to Saint John.
Search flight deals

Frequently asked questions about flying from Boston to Saint John

  • How far is Boston Logan Intl to Saint John by plane?

    Saint John is 319.7 mi away from Boston Logan Intl. Flights usually cover this in 4h 10m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Boston Logan Intl Airport to Saint John Airport are updated daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Saint John Airport?

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Saint John Airport.

  • What documentation or ID do you need to fly to Saint John Airport?

    The travel and health documents required for your trip to Saint John Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Saint John Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Boston to Saint John?

Best airlines flying from Boston to Saint John

Compare and see reviews for airlines that fly from Boston to Saint John with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $273Free CancellationRating
7.1
11,154 reviews
Search Air Canada flights

Traveling to a place near Saint John?

Book flights to Saint John if you plan to visit one of these locations
Bridgetown
Middleton

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Saint John?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to Saint John. momondo saves you time and could save you money on your trip.

Can I find flights from Boston to Saint John with flexible booking policies on momondo?

Yes. All flights to Saint John from Boston on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Boston to Saint John?

momondo provides multiple filters to help you find the best flight to Saint John from Boston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Boston to Saint John now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Saint John and let you know when they change.

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Fri 7/10
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