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Cheap flights from the United States to Saint John from C$ 389

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YSJ
5 Jun — 12 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from USA to St John

Enter your travel dates to find the best prices.

Cheapest flights from USA to St John
Explore the most affordable flight options available from USA to St John. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 May 2026.

Thu 4/65:30 p.m.
BOS
-
YSJ
1 stop15h 30m
Multiple Airlines
Mon 8/610:45 a.m.
YSJ
-
BOS
1 stop9h 56m
Multiple Airlines
Deal found 2/5C$ 599
Tue 11/84:40 p.m.
EWR
-
YSJ
1 stop16h 20m
Multiple Airlines
Fri 28/810:45 a.m.
YSJ
-
EWR
2 stops30h 10m
Multiple Airlines
Deal found 3/5C$ 730
Wed 3/611:15 a.m.
BOS
-
YSJ
2 stops27h 30m
Multiple Airlines
Mon 8/610:45 a.m.
YSJ
-
BOS
1 stop9h 56m
Multiple Airlines
Deal found 2/5C$ 748
Thu 4/68:25 p.m.
BOS
-
YSJ
1 stop12h 35m
Multiple Airlines
Tue 9/612:00 p.m.
YSJ
-
BOS
2 stops32h 05m
Multiple Airlines
Deal found 2/5C$ 749
Wed 17/63:25 p.m.
BOS
-
YSJ
2 stops21h 05m
Multiple Airlines
Wed 24/610:45 a.m.
YSJ
-
BOS
1 stop7h 50m
Multiple Airlines
Deal found 3/5C$ 764
Tue 16/66:35 p.m.
BOS
-
YSJ
1 stop14h 25m
Multiple Airlines
Thu 18/611:30 a.m.
YSJ
-
BOS
2 stops12h 57m
Multiple Airlines
Deal found 1/5C$ 780
Thu 18/610:05 a.m.
BOS
-
YSJ
1 stop22h 55m
Multiple Airlines
Thu 25/611:30 a.m.
YSJ
-
BOS
2 stops31h 05m
Multiple Airlines
Deal found 6/5C$ 810
Tue 11/84:40 p.m.
EWR
-
YSJ
1 stop16h 20m
Multiple Airlines
Wed 26/810:45 a.m.
YSJ
-
EWR
1 stop12h 00m
Multiple Airlines
Deal found 3/5C$ 847
Thu 6/810:25 a.m.
EWR
-
YSJ
1 stop4h 25m
Air Canada
Sun 9/84:30 p.m.
YSJ
-
EWR
1 stop4h 23m
Air Canada
Deal found 1/5C$ 869
Thu 24/910:25 a.m.
EWR
-
YSJ
1 stop4h 24m
Air Canada
Mon 28/94:30 p.m.
YSJ
-
EWR
1 stop4h 26m
Air Canada
Deal found 5/5C$ 874
Thu 13/810:25 a.m.
EWR
-
YSJ
1 stop4h 25m
Air Canada
Thu 27/84:30 p.m.
YSJ
-
EWR
1 stop4h 23m
Air Canada
Deal found 3/5C$ 912
Mon 1/69:40 a.m.
DCA
-
YSJ
1 stop5h 10m
Air Canada
Tue 9/64:30 p.m.
YSJ
-
DCA
1 stop6h 25m
Air Canada
Deal found 2/5C$ 916

Find flight deals from USA to St John

Keep the following information in mind while searching for USA to St John flight deals. Data was last updated 6 May 2026.

Round-trip from

C$ 599

One-way from

C$ 389
4/6-8/6
  • 4/6-8/6
  • 2 total stops
  • 25h 26m total
  • USA to Saint John
Search Deals
Air Canada
  • Air Canada
  • 8/9
  • 1 total stop
  • 5h 09m total
  • USA to Saint John
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from USA to St 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, Cheapflights users made 629,999 searches. Data last updated 6 May 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 - YSJ

BOSYSJ

Boston Logan Intl

Thu 4/6

4:45 p.m.-10:00 a.m.

2 stops16h 15m

Saint John

Mon 8/6

10:45 a.m.-7:41 p.m.

1 stop9h 56m

C$ 678

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Wed 3/6

11:15 a.m.-3:45 p.m.

2 stops27h 30m

Saint John

Mon 8/6

10:45 a.m.-7:41 p.m.

1 stop9h 56m

C$ 748

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Thu 4/6

8:25 p.m.-10:00 a.m.

1 stop12h 35m

Saint John

Tue 9/6

12:00 p.m.-7:05 p.m.

2 stops32h 05m

C$ 749

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Tue 16/6

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

1 stop14h 25m

Saint John

Thu 18/6

11:30 a.m.-11:27 p.m.

2 stops12h 57m

C$ 780
Quickest round-trip

NewarkSaint John

EWR - YSJ

EWRYSJ

Newark

Thu 6/8

10:25 a.m.-3:50 p.m.

1 stop4h 25m

Saint John

Sun 9/8

4:30 p.m.-7:53 p.m.

1 stop4h 23m

C$ 869

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Thu 28/5

10:35 a.m.-3:40 p.m.

1 stop4h 05m

Saint John

Fri 29/5

4:30 p.m.-9:27 p.m.

1 stop5h 57m

C$ 870

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Fri 18/9

10:40 a.m.-3:49 p.m.

1 stop4h 09m

Saint John

Tue 22/9

4:30 p.m.-9:27 p.m.

1 stop5h 57m

C$ 897

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Thu 18/6

3:25 p.m.-10:00 a.m.

2 stops17h 35m

Saint John

Thu 25/6

11:30 a.m.-9:05 a.m.

2 stops22h 35m

C$ 904

BostonSaint John

BOS - YSJ

BOSYSJ

Boston Logan Intl

Wed 3/6

10:35 a.m.-3:50 p.m.

1 stop4h 15m

Saint John

Mon 8/6

12:20 p.m.-5:59 p.m.

1 stop6h 39m

C$ 911

Washington, D.C.Saint John

DCA - YSJ

DCAYSJ

Washington, D.C. Reagan-National

Mon 1/6

9:40 a.m.-3:50 p.m.

1 stop5h 10m

Saint John

Tue 9/6

4:30 p.m.-9:55 p.m.

1 stop6h 25m

C$ 916

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

Showing 1-10 of 38 resultsSorted by cheapest first
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Best time to book a flight from USA to St John

Have a flexible travel schedule? Discover the best time to fly to St John from USA 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 the United States to Saint John
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from USA to St John. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Saint John from United States?

    If you book a flight to Saint John from United States, you will be flying to Saint John, which is the city’s only airport. Saint John (YSJ) is located 15.1 km from the centre of Saint John.

  • How long is the flight from USA to Saint John?

    Air Canada and United Airlines can get you from USA to Saint John in just under 4h 25m. Your travel time can differ by up to 12h 52m. The distance between USA and Saint John is about 847 km. This flight may include one or multiple stops.

  • What are the most popular routes from USA to Saint John?

    The most popular flight routes from USA to Saint John are Newark - Saint John, New York John F Kennedy Intl - Saint John and Milwaukee-Mitchell - Saint John.

  • Can I find deals for flights from USA to St John that include hotel bookings?

    Yes. In addition to deals on USA to St John flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from USA to St John?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to St John.

  • Can I find deals for business class flights from USA to St John?

    Yes. Cheapflights offers flight deals from USA to St John by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Can Cheapflights find flights from USA to St John with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from USA to St John, users can toggle the no change fees filter when performing a flight search.

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