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Cheap flights from the United States to Saint John from $169

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Saint John departing on 9/24. 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 the United States to Saint John

Recent round-trip flight deals from the United States to Saint John

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:05 am - 10:00 amBOS  Boston Logan Intl-YSJ Saint John
22h 55m1 stop Toronto Pearson Intl
Multiple Airlines Logo
10:45 am - 9:05 amYSJ  Saint John-BOS Boston Logan Intl
23h 20m1 stop Toronto Pearson Intl
$413Multiple Airlines
Thu, Sep 17 - Mon, Sep 21
Multiple Airlines Logo
3:35 pm - 11:51 amBOS  Boston Logan Intl-YSJ Saint John
19h 16m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Multiple Airlines Logo
10:45 am - 5:25 pmYSJ  Saint John-BOS Boston Logan Intl
7h 40m1 stop Toronto Pearson Intl
$481Multiple Airlines
Fri, Sep 18 - Fri, Sep 25
Multiple Airlines Logo
2:20 pm - 10:00 amBOS  Boston Logan Intl-YSJ Saint John
18h 40m2 stops Ottawa Toronto Pearson Intl
Multiple Airlines Logo
10:45 am - 6:35 pmYSJ  Saint John-BOS Boston Logan Intl
8h 50m1 stop Toronto Pearson Intl
$486Multiple Airlines
Thu, Sep 17 - Mon, Sep 21
Multiple Airlines Logo
3:35 pm - 11:51 amBOS  Boston Logan Intl-YSJ Saint John
19h 16m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Multiple Airlines Logo
10:45 am - 9:26 pmYSJ  Saint John-BOS Boston Logan Intl
11h 41m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
$492Multiple Airlines
Fri, Sep 18 - Fri, Sep 25
Multiple Airlines Logo
6:55 pm - 3:59 pmBOS  Boston Logan Intl-YSJ Saint John
20h 04m3 stops Toronto Pearson Intl Ottawa Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
10:45 am - 9:26 pmYSJ  Saint John-BOS Boston Logan Intl
11h 41m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
$537Multiple Airlines
Fri, Sep 18 - Fri, Sep 25
Air Canada Logo
6:55 pm - 1:25 amDCA  Washington, D.C. Reagan-National-YSJ Saint John
5h 30m1 stop Toronto Pearson Intl
Air Canada Logo
5:00 am - 8:55 amYSJ  Saint John-DCA Washington, D.C. Reagan-National
4h 55m1 stop Toronto Pearson Intl
$574Air Canada
Fri, Sep 4 - Thu, Sep 10
Multiple Airlines Logo
10:05 am - 11:51 pmBOS  Boston Logan Intl-YSJ Saint John
12h 46m1 stop Toronto Pearson Intl
Multiple Airlines Logo
4:40 pm - 9:05 amYSJ  Saint John-BOS Boston Logan Intl
17h 25m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
$576Multiple Airlines
Wed, Sep 16 - Wed, Sep 23
Multiple Airlines Logo
8:30 pm - 10:00 amLGA  New York LaGuardia-YSJ Saint John
12h 30m1 stop Toronto Pearson Intl
Multiple Airlines Logo
6:55 am - 4:55 pmYSJ  Saint John-LGA New York LaGuardia
11h 00m2 stops Montreal St Hubert Toronto Pearson Intl
$576Multiple Airlines
Thu, Sep 24 - Thu, Oct 1
Multiple Airlines Logo
10:05 am - 11:51 pmBOS  Boston Logan Intl-YSJ Saint John
12h 46m1 stop Toronto Pearson Intl
Multiple Airlines Logo
5:00 am - 6:35 pmYSJ  Saint John-BOS Boston Logan Intl
14h 35m1 stop Toronto Pearson Intl
$582Multiple Airlines
Wed, Sep 16 - Wed, Sep 23
Air Canada Logo
12:55 pm - 11:51 pmDCA  Washington, D.C. Reagan-National-YSJ Saint John
9h 56m2 stops Ottawa Toronto Pearson Intl
Air Canada Logo
5:00 am - 8:55 amYSJ  Saint John-DCA Washington, D.C. Reagan-National
4h 55m1 stop Toronto Pearson Intl
$593Air Canada
Fri, Sep 18 - Sun, Sep 20

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Air Canada flights from United States to Saint John

Our best Air Canada deals on United States to Saint John flight tickets
Air Canada
Sep 4
DCA6:55 pmWashington, D.C. Reagan-National
5h 30m
1 stop
YSJ1:25 amSaint John
Sep 10
YSJ5:00 amSaint John
4h 55m
1 stop
DCA8:55 amWashington, D.C. Reagan-National
$574
Air Canada
Sep 18
DCA12:55 pmWashington, D.C. Reagan-National
9h 56m
2 stops
YSJ11:51 pmSaint John
Sep 20
YSJ5:00 amSaint John
4h 55m
1 stop
DCA8:55 amWashington, D.C. Reagan-National
$593
Air Canada
Aug 26
DCA6:55 pmWashington, D.C. Reagan-National
5h 30m
1 stop
YSJ1:25 amSaint John
Sep 2
YSJ5:00 amSaint John
4h 52m
1 stop
DCA8:52 amWashington, D.C. Reagan-National
$594

United Airlines flights from United States to Saint John

Our best United Airlines deals on United States to Saint John flight tickets
United Airlines
Sep 24
BOS10:40 amBoston Logan Intl
4h 19m
1 stop
YSJ3:59 pmSaint John
Oct 1
YSJ4:40 pmSaint John
5h 46m
1 stop
BOS9:26 pmBoston Logan Intl
$909
United Airlines
Sep 8
EWR6:25 amNewark
8h 34m
2 stops
YSJ3:59 pmSaint John
Sep 15
YSJ4:40 pmSaint John
4h 10m
1 stop
EWR7:50 pmNewark
$952
United Airlines
Sep 7
EWR10:25 amNewark
4h 35m
1 stop
YSJ4:00 pmSaint John
Sep 14
YSJ4:40 pmSaint John
15h 36m
2 stops
EWR7:16 amNewark
$957

momondo Fare Finder

 
Customize your flight search to find flights from United States 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 August 12, 2026.
Use the filters below to find and compare flights from the United States to Saint John that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSaint John

BOS Boston Logan Intl - YSJ Saint John

BOSYSJ

Boston Logan Intl

Thu 9/17

10:05 am-10:00 am

1 stop22h 55m

Saint John

Mon 9/21

10:45 am-9:05 am

1 stop23h 20m

$413

BostonSaint John

BOS Boston Logan Intl - YSJ Saint John

BOSYSJ

Boston Logan Intl

Fri 9/18

3:35 pm-11:51 am

2 stops19h 16m

Saint John

Fri 9/25

10:45 am-5:25 pm

1 stop7h 40m

$481

BostonSaint John

BOS Boston Logan Intl - YSJ Saint John

BOSYSJ

Boston Logan Intl

Thu 9/17

2:20 pm-10:00 am

2 stops18h 40m

Saint John

Mon 9/21

10:45 am-6:35 pm

1 stop8h 50m

$486

BostonSaint John

BOS Boston Logan Intl - YSJ Saint John

BOSYSJ

Boston Logan Intl

Fri 9/18

3:35 pm-11:51 am

2 stops19h 16m

Saint John

Fri 9/25

10:45 am-9:26 pm

2 stops11h 41m

$492

BostonSaint John

BOS Boston Logan Intl - YSJ Saint John

BOSYSJ

Boston Logan Intl

Fri 9/18

6:55 pm-3:59 pm

3 stops20h 04m

Saint John

Fri 9/25

10:45 am-9:26 pm

2 stops11h 41m

$537
Quickest round-trip

Washington, D.C.Saint John

DCA Washington, D.C. Reagan-National - YSJ Saint John

DCAYSJ

Washington, D.C. Reagan-National

Fri 9/4

6:55 pm-1:25 am

1 stop5h 30m

Saint John

Thu 9/10

5:00 am-8:55 am

1 stop4h 55m

$574

BostonSaint John

BOS Boston Logan Intl - YSJ Saint John

BOSYSJ

Boston Logan Intl

Wed 9/16

10:05 am-11:51 pm

1 stop12h 46m

Saint John

Wed 9/23

4:40 pm-9:05 am

2 stops17h 25m

$576

New YorkSaint John

LGA New York LaGuardia - YSJ Saint John

LGAYSJ

New York LaGuardia

Thu 9/24

8:30 pm-10:00 am

1 stop12h 30m

Saint John

Thu 10/1

6:55 am-4:55 pm

2 stops11h 00m

$576

BostonSaint John

BOS Boston Logan Intl - YSJ Saint John

BOSYSJ

Boston Logan Intl

Wed 9/16

10:05 am-11:51 pm

1 stop12h 46m

Saint John

Wed 9/23

5:00 am-6:35 pm

1 stop14h 35m

$582

Washington, D.C.Saint John

DCA Washington, D.C. Reagan-National - YSJ Saint John

DCAYSJ

Washington, D.C. Reagan-National

Fri 9/18

12:55 pm-11:51 pm

2 stops9h 56m

Saint John

Sun 9/20

5:00 am-8:55 am

1 stop4h 55m

$593

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from United States 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

Can stopping save me money on United States to Saint John flights?

You could potentially save up to 26% on your flight if you consider stops on a United States to Saint John flight.

Cheap United States to Saint John flight deals and tips

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

Fastest flight time

3h 55m

Direct flights

None
The fastest flight from United States to Saint John takes 3h 55m
There are no direct flights from United States to Saint John. There are no popular flight routes from United States to Saint John.
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Frequently asked questions about flying from the United States to Saint John

  • When did momondo last update prices for flights from United States to Saint John Airport?

    Prices for flights from United States to Saint John Airport were last updated today.

  • How old do you have to be to fly from United States to Saint John Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from United States to Saint John Airport.

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

    The travel and health documents you'll need for your trip to Saint John 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 Saint John Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from United States to Saint John

Compare and see reviews for airlines that fly from United States to Saint John with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $725Free CancellationRating
7.1
11,464 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
Sussex
Bridgetown
Middleton

Why use momondo?

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

Finding the right flight to Saint John from United States is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Saint John quick and easy, saving you time and money.

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

All flight searches from United States to Saint John on momondo can be filtered to show those which offer flexible booking policies.

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

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

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

Price alerts on flights to Saint John from United States are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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