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Cheap flights from Ontario to Buffalo from $145

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Buffalo departing on 3/26. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 3:14 pm
YYZ
-
BUF
9h 14m
1 stop
Delta Logo
6:02 am - 4:14 pm
BUF
-
YYZ
10h 12m
1 stop
$382Delta
Mon, Mar 9 - Mon, Mar 16
Delta Logo
6:00 am - 3:14 pm
YYZ
-
BUF
9h 14m
1 stop
Delta Logo
6:02 am - 1:36 pm
BUF
-
YYZ
7h 34m
1 stop
$383Delta
Wed, Mar 11 - Wed, Mar 18
Delta Logo
6:00 am - 2:56 pm
YYZ
-
BUF
8h 56m
1 stop
Delta Logo
7:00 am - 5:18 pm
BUF
-
YYZ
10h 18m
1 stop
$394Delta
Thu, Feb 26 - Mon, Mar 2
Multiple Airlines Logo
8:20 pm - 10:49 am
YYZ
-
BUF
14h 29m
1 stop
Multiple Airlines Logo
12:45 pm - 7:35 pm
BUF
-
YYZ
30h 50m
2 stops
$418Multiple Airlines
Sun, Mar 8 - Sun, Mar 15
Multiple Airlines Logo
8:20 pm - 10:49 am
YYZ
-
BUF
14h 29m
1 stop
Multiple Airlines Logo
12:45 pm - 11:35 am
BUF
-
YYZ
22h 50m
2 stops
$426Multiple Airlines
Sun, Mar 8 - Sun, Mar 15
Delta Logo
6:00 am - 7:19 pm
YYZ
-
BUF
13h 19m
1 stop
Delta Logo
10:13 am - 6:09 pm
BUF
-
YYZ
7h 56m
1 stop
$433Delta
Mon, Apr 13 - Wed, Apr 15
Multiple Airlines Logo
7:15 am - 8:30 pm
YYZ
-
BUF
13h 15m
1 stop
Multiple Airlines Logo
11:59 am - 11:35 am
BUF
-
YYZ
23h 36m
2 stops
$436Multiple Airlines
Mon, Mar 9 - Mon, Mar 16
Delta Logo
6:00 am - 2:56 pm
YYZ
-
BUF
8h 56m
1 stop
Delta Logo
6:01 am - 8:35 pm
BUF
-
YYZ
14h 34m
1 stop
$438Delta
Thu, Feb 26 - Mon, Mar 2
Multiple Airlines Logo
7:10 am - 10:49 am
YYZ
-
BUF
27h 39m
1 stop
Multiple Airlines Logo
11:54 am - 2:20 pm
BUF
-
YYZ
26h 26m
1 stop
$439Multiple Airlines
Thu, Mar 26 - Thu, Apr 2
Delta Logo
12:15 pm - 12:14 am
YYZ
-
BUF
11h 59m
1 stop
Delta Logo
6:02 am - 1:36 pm
BUF
-
YYZ
7h 34m
1 stop
$446Delta
Sun, Mar 8 - Sun, Mar 15

Delta flights from Region of Ontario to Buffalo

Our best Delta deals on Region of Ontario to Buffalo flight tickets
Delta
Mar 9
YYZ6:00 amToronto Pearson Intl
9h 14m
1 stop
BUF3:14 pmBuffalo
Mar 16
BUF6:02 amBuffalo
10h 12m
1 stop
YYZ4:14 pmToronto Pearson Intl
$382
Delta
Mar 10
YYZ2:26 pmToronto Pearson Intl
8h 47m
1 stop
BUF11:13 pmBuffalo
Mar 17
BUF6:02 amBuffalo
11h 47m
1 stop
YYZ5:49 pmToronto Pearson Intl
$383
Delta
Mar 11
YYZ6:00 amToronto Pearson Intl
13h 16m
1 stop
BUF7:16 pmBuffalo
Mar 18
BUF6:02 amBuffalo
7h 34m
1 stop
YYZ1:36 pmToronto Pearson Intl
$384

United Airlines flights from Region of Ontario to Buffalo

Our best United Airlines deals on Region of Ontario to Buffalo flight tickets
United Airlines
Apr 3
YYZ1:00 pmToronto Pearson Intl
7h 43m
1 stop
BUF8:43 pmBuffalo
Apr 12
BUF7:00 amBuffalo
6h 42m
1 stop
YYZ1:42 pmToronto Pearson Intl
$528
United Airlines
Mar 9
YYZ7:40 pmToronto Pearson Intl
4h 02m
1 stop
BUF11:42 pmBuffalo
Mar 17
BUF7:00 amBuffalo
14h 18m
1 stop
YYZ9:18 pmToronto Pearson Intl
$530
United Airlines
Feb 28
YYZ2:45 pmToronto Pearson Intl
4h 21m
1 stop
BUF7:06 pmBuffalo
Mar 1
BUF1:52 pmBuffalo
5h 53m
1 stop
YYZ7:45 pmToronto Pearson Intl
$532

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to Buffalo 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 11, 2026.
Use the filters below to find and compare flights from Ontario to Buffalo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Mon 3/9

6:00 am-3:14 pm

1 stop9h 14m

Buffalo

Mon 3/16

6:02 am-4:14 pm

1 stop10h 12m

$382

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Wed 3/11

6:00 am-3:14 pm

1 stop9h 14m

Buffalo

Wed 3/18

6:02 am-1:36 pm

1 stop7h 34m

$383

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Thu 2/26

6:00 am-2:56 pm

1 stop8h 56m

Buffalo

Mon 3/2

7:00 am-5:18 pm

1 stop10h 18m

$394

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Sun 3/8

8:20 pm-10:49 am

1 stop14h 29m

Buffalo

Sun 3/15

12:45 pm-7:35 pm

2 stops30h 50m

$418

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Sun 3/8

8:20 pm-10:49 am

1 stop14h 29m

Buffalo

Sun 3/15

12:45 pm-11:35 am

2 stops22h 50m

$426

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Mon 4/13

6:00 am-7:19 pm

1 stop13h 19m

Buffalo

Wed 4/15

10:13 am-6:09 pm

1 stop7h 56m

$433

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Mon 3/9

7:15 am-8:30 pm

1 stop13h 15m

Buffalo

Mon 3/16

11:59 am-11:35 am

2 stops23h 36m

$436

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Thu 2/26

6:00 am-2:56 pm

1 stop8h 56m

Buffalo

Mon 3/2

6:01 am-8:35 pm

1 stop14h 34m

$438

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Thu 3/26

7:10 am-10:49 am

1 stop27h 39m

Buffalo

Thu 4/2

11:54 am-2:20 pm

1 stop26h 26m

$439

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Sun 3/8

12:15 pm-12:14 am

1 stop11h 59m

Buffalo

Sun 3/15

6:02 am-1:36 pm

1 stop7h 34m

$446

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 Buffalo from

How to get the cheapest flight ticket from Region of Ontario to Buffalo

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 Region of Ontario to Buffalo flights?

You could potentially save up to 4% on your flight if you consider stops on a Region of Ontario to Buffalo flight.

Cheap Region of Ontario to Buffalo flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Buffalo

Fastest flight time

7h 44m

Direct flights

None
The fastest flight from Region of Ontario to Buffalo takes 7h 44m
There are no direct flights from Region of Ontario to Buffalo. There are no popular flight routes from Region of Ontario to Buffalo.
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  • When did momondo last update prices for flights from Ontario to Buffalo Airport?

    Prices for flights from Ontario to Buffalo Airport were last updated today.

  • How old do you have to be to fly from Ontario to Buffalo Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to Buffalo Airport.

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

    The required travel and health documents for your Buffalo Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buffalo Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Batavia
Cheektowaga
Amherst
Grand Island
Tonawanda
Williamsville
Orchard Park
Lockport
West Seneca
Bowmansville
East Aurora
Eden
Angola

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Buffalo?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Buffalo. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Ontario to Buffalo with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ontario to Buffalo?

momondo helps you find the best flight between Ontario and Buffalo by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Ontario to Buffalo 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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