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Cheap flights from Buffalo to Saint John from $414

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Saint John departing on 3/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Buffalo to Saint John

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:04 am - 3:40 pm
BUF
-
YSJ
8h 36m
2 stops
United Airlines Logo
4:30 pm - 11:52 pm
YSJ
-
BUF
8h 22m
2 stops
$829United Airlines
Tue, May 19 - Thu, May 21
Air Canada Logo
7:00 am - 3:40 pm
BUF
-
YSJ
31h 40m
2 stops
Air Canada Logo
5:35 am - 4:54 pm
YSJ
-
BUF
12h 19m
2 stops
$834Air Canada
Sat, May 16 - Wed, May 20
Air Canada Logo
7:00 am - 11:52 pm
BUF
-
YSJ
15h 52m
2 stops
Air Canada Logo
5:35 am - 9:02 pm
YSJ
-
BUF
16h 27m
2 stops
$838Air Canada
Sun, May 17 - Sun, May 24
Air Canada Logo
7:00 am - 11:52 pm
BUF
-
YSJ
15h 52m
2 stops
Air Canada Logo
4:30 pm - 9:02 pm
YSJ
-
BUF
29h 32m
2 stops
$858Air Canada
Thu, May 21 - Fri, May 22
Air Canada Logo
7:00 am - 3:35 pm
BUF
-
YSJ
31h 35m
2 stops
Air Canada Logo
4:15 pm - 8:46 pm
YSJ
-
BUF
29h 31m
2 stops
$872Air Canada
Sun, Mar 1 - Wed, Mar 4
Air Canada Logo
7:00 am - 11:52 pm
BUF
-
YSJ
15h 52m
2 stops
Air Canada Logo
5:35 am - 9:02 pm
YSJ
-
BUF
16h 27m
2 stops
$906Air Canada
Mon, May 18 - Thu, May 21
United Airlines Logo
6:07 am - 3:35 pm
BUF
-
YSJ
8h 28m
2 stops
United Airlines Logo
4:15 pm - 11:44 pm
YSJ
-
BUF
8h 29m
2 stops
$914United Airlines
Sun, Mar 1 - Wed, Mar 4
Air Canada Logo
7:00 am - 3:35 pm
BUF
-
YSJ
31h 35m
2 stops
Air Canada Logo
4:15 pm - 8:46 pm
YSJ
-
BUF
29h 31m
2 stops
$915Air Canada
Sun, Mar 1 - Wed, Mar 4
Air Canada Logo
7:00 am - 11:52 pm
BUF
-
YSJ
15h 52m
2 stops
Air Canada Logo
5:40 am - 9:02 pm
YSJ
-
BUF
16h 22m
2 stops
$931Air Canada
Mon, May 18 - Fri, May 22

Air Canada flights from Buffalo to Saint John

Our best Air Canada deals on Buffalo to Saint John flight tickets
Air Canada
May 16
BUF7:00 amBuffalo
31h 40m
2 stops
YSJ3:40 pmSaint John
May 20
YSJ5:35 amSaint John
12h 19m
2 stops
BUF4:54 pmBuffalo
$834
Air Canada
May 17
BUF7:00 amBuffalo
15h 52m
2 stops
YSJ11:52 pmSaint John
May 24
YSJ5:35 amSaint John
16h 27m
2 stops
BUF9:02 pmBuffalo
$838
Air Canada
May 21
BUF7:00 amBuffalo
15h 52m
2 stops
YSJ11:52 pmSaint John
May 22
YSJ4:30 pmSaint John
29h 32m
2 stops
BUF9:02 pmBuffalo
$858

United Airlines flights from Buffalo to Saint John

Our best United Airlines deals on Buffalo to Saint John flight tickets
United Airlines
May 19
BUF6:04 amBuffalo
8h 36m
2 stops
YSJ3:40 pmSaint John
May 20
YSJ4:30 pmSaint John
8h 14m
2 stops
BUF11:44 pmBuffalo
$829
United Airlines
Mar 1
BUF6:07 amBuffalo
8h 28m
2 stops
YSJ3:35 pmSaint John
Mar 4
YSJ4:15 pmSaint John
8h 29m
2 stops
BUF11:44 pmBuffalo
$914

momondo Fare Finder

 
Customize your flight search to find flights from Buffalo 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 February 5, 2026.
Use the filters below to find and compare flights from Buffalo to Saint John that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BuffaloSaint John

BUF - YSJ

BUFYSJ

Buffalo

Tue 5/19

6:04 am-3:40 pm

2 stops8h 36m

Saint John

Thu 5/21

4:30 pm-11:52 pm

2 stops8h 22m

$829

BuffaloSaint John

BUF - YSJ

BUFYSJ

Buffalo

Sat 5/16

7:00 am-3:40 pm

2 stops31h 40m

Saint John

Wed 5/20

5:35 am-4:54 pm

2 stops12h 19m

$834

BuffaloSaint John

BUF - YSJ

BUFYSJ

Buffalo

Sun 5/17

7:00 am-11:52 pm

2 stops15h 52m

Saint John

Sun 5/24

5:35 am-9:02 pm

2 stops16h 27m

$838

BuffaloSaint John

BUF - YSJ

BUFYSJ

Buffalo

Thu 5/21

7:00 am-11:52 pm

2 stops15h 52m

Saint John

Fri 5/22

4:30 pm-9:02 pm

2 stops29h 32m

$858

BuffaloSaint John

BUF - YSJ

BUFYSJ

Buffalo

Sun 3/1

7:00 am-3:35 pm

2 stops31h 35m

Saint John

Wed 3/4

4:15 pm-8:46 pm

2 stops29h 31m

$872

BuffaloSaint John

BUF - YSJ

BUFYSJ

Buffalo

Mon 5/18

7:00 am-11:52 pm

2 stops15h 52m

Saint John

Thu 5/21

5:35 am-9:02 pm

2 stops16h 27m

$906

BuffaloSaint John

BUF - YSJ

BUFYSJ

Buffalo

Sun 3/1

6:07 am-3:35 pm

2 stops8h 28m

Saint John

Wed 3/4

4:15 pm-11:44 pm

2 stops8h 29m

$914

BuffaloSaint John

BUF - YSJ

BUFYSJ

Buffalo

Sun 3/1

7:00 am-3:35 pm

2 stops31h 35m

Saint John

Wed 3/4

4:15 pm-8:46 pm

2 stops29h 31m

$915

BuffaloSaint John

BUF - YSJ

BUFYSJ

Buffalo

Mon 5/18

7:00 am-11:52 pm

2 stops15h 52m

Saint John

Fri 5/22

5:40 am-9:02 pm

2 stops16h 22m

$931

BuffaloSaint John

BUF - YSJ

BUFYSJ

Buffalo

Fri 3/20

5:29 pm-10:49 am

2 stops16h 20m

$414

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Saint John from

How to get the cheapest flight ticket from Buffalo 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 Buffalo to Saint John?

United Airlines is the most popular carrier operating from Buffalo to Saint John

When to book flights from Buffalo to Saint John

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

Cheap Buffalo to Saint John (BUF to YSJ) flight deals and tips

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

Fastest flight time

8h 28m

Direct flights

None
The fastest flight from Buffalo to Saint John takes 8h 28m
There are no direct flights from Buffalo to Saint John. There are no popular flight routes from Buffalo to Saint John.
Search flight deals

  • How far is Buffalo to Saint John by plane?

    A flight from Buffalo to Saint John will travel around 655.6 mi. In terms of flight time, this usually takes a little over 8h 28m.

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

    Prices for flights from Buffalo Airport to Saint John Airport are updated daily.

  • How old do you have to be to fly from Buffalo 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 Buffalo Airport to Saint John Airport.

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

    The necessary travel and health documents for your Saint John Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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 Buffalo to Saint John?

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 Saint John from Buffalo.

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

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

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

Once all potential Buffalo to Saint John flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Buffalo to Saint John 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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