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Cheap flights from Ontario to Buffalo from $189

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 6/26. 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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Find the cheapest flights from Ontario to Buffalo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 1:54 pm
YYZ
-
BUF
7h 54m
1 stop
Delta Logo
3:33 pm - 9:10 am
BUF
-
YYZ
17h 37m
1 stop
$350Delta
Tue, Apr 28 - Wed, Apr 29
Delta Logo
6:00 am - 1:54 pm
YYZ
-
BUF
7h 54m
1 stop
Delta Logo
5:30 pm - 9:10 am
BUF
-
YYZ
15h 40m
1 stop
$351Delta
Tue, Apr 28 - Wed, Apr 29
Multiple Airlines Logo
5:50 pm - 12:13 pm
YYZ
-
BUF
18h 23m
2 stops
Multiple Airlines Logo
11:19 am - 12:29 am
BUF
-
YYZ
13h 10m
1 stop
$358Multiple Airlines
Fri, Apr 17 - Mon, Apr 20
Delta Logo
6:59 pm - 12:51 pm
YYZ
-
BUF
17h 52m
1 stop
Delta Logo
3:33 pm - 9:10 am
BUF
-
YYZ
17h 37m
1 stop
$366Delta
Fri, Apr 24 - Fri, May 1
Multiple Airlines Logo
5:50 pm - 12:13 pm
YYZ
-
BUF
18h 23m
2 stops
Multiple Airlines Logo
10:05 pm - 8:05 pm
BUF
-
YYZ
22h 00m
1 stop
$370Multiple Airlines
Fri, May 1 - Sat, Jun 13
Multiple Airlines Logo
6:45 am - 9:17 pm
YYZ
-
BUF
14h 32m
1 stop
Multiple Airlines Logo
7:00 am - 8:34 pm
BUF
-
YYZ
13h 34m
1 stop
$377Multiple Airlines
Fri, Apr 17 - Sat, Apr 25
Delta Logo
2:34 pm - 11:31 pm
YYZ
-
BUF
8h 57m
1 stop
Delta Logo
6:00 am - 1:44 pm
BUF
-
YYZ
7h 44m
1 stop
$388Delta
Sun, May 3 - Wed, May 6
United Airlines Logo
11:00 am - 6:13 pm
YTZ
-
BUF
7h 13m
1 stop
United Airlines Logo
6:00 am - 2:39 pm
BUF
-
YTZ
8h 39m
1 stop
$527United Airlines
Tue, Apr 28 - Tue, May 5
United Airlines Logo
11:00 am - 6:13 pm
YTZ
-
BUF
7h 13m
1 stop
United Airlines Logo
6:00 am - 2:39 pm
BUF
-
YTZ
8h 39m
1 stop
$570United Airlines
Sat, Apr 25 - Sat, May 2
United Airlines Logo
7:25 am - 2:17 pm
YTZ
-
BUF
6h 52m
2 stops
United Airlines Logo
6:00 am - 2:39 pm
BUF
-
YTZ
8h 39m
1 stop
$594United Airlines
Tue, Apr 28 - Tue, May 5

Delta flights from Region of Ontario to Buffalo

Our best Delta deals on Region of Ontario to Buffalo flight tickets
Delta
Apr 28
YYZ6:00 amToronto Pearson Intl
7h 54m
1 stop
BUF1:54 pmBuffalo
Apr 29
BUF3:33 pmBuffalo
17h 37m
1 stop
YYZ9:10 amToronto Pearson Intl
$350
Delta
Apr 28
YYZ6:00 amToronto Pearson Intl
7h 54m
1 stop
BUF1:54 pmBuffalo
Apr 29
BUF5:30 pmBuffalo
15h 40m
1 stop
YYZ9:10 amToronto Pearson Intl
$351
Delta
Apr 24
YYZ6:29 pmToronto Pearson Intl
16h 43m
1 stop
BUF11:12 amBuffalo
May 1
BUF3:33 pmBuffalo
17h 37m
1 stop
YYZ9:10 amToronto Pearson Intl
$365

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 28
YTZ11:00 amToronto Island
7h 13m
1 stop
BUF6:13 pmBuffalo
May 5
BUF6:00 amBuffalo
8h 39m
1 stop
YTZ2:39 pmToronto Island
$527
United Airlines
Apr 28
YYZ8:50 amToronto Pearson Intl
8h 26m
1 stop
BUF5:16 pmBuffalo
May 5
BUF1:57 pmBuffalo
9h 06m
1 stop
YYZ11:03 pmToronto Pearson Intl
$547
United Airlines
Apr 16
YYZ9:00 pmToronto Pearson Intl
13h 10m
1 stop
BUF10:10 amBuffalo
Apr 17
BUF1:52 pmBuffalo
6h 52m
1 stop
YYZ8:44 pmToronto Pearson Intl
$550

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 March 31, 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

Cheapest round-trip

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Tue 4/28

6:00 am-1:54 pm

1 stop7h 54m

Buffalo

Wed 4/29

3:33 pm-9:10 am

1 stop17h 37m

$350

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Tue 4/28

6:00 am-1:54 pm

1 stop7h 54m

Buffalo

Wed 4/29

5:30 pm-9:10 am

1 stop15h 40m

$351

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Fri 4/17

5:50 pm-12:13 pm

2 stops18h 23m

Buffalo

Mon 4/20

11:19 am-12:29 am

1 stop13h 10m

$358

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Fri 4/24

6:59 pm-12:51 pm

1 stop17h 52m

Buffalo

Fri 5/1

3:33 pm-9:10 am

1 stop17h 37m

$366

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Fri 5/1

5:50 pm-12:13 pm

2 stops18h 23m

Buffalo

Sat 6/13

10:05 pm-8:05 pm

1 stop22h 00m

$370

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Fri 4/17

6:45 am-9:17 pm

1 stop14h 32m

Buffalo

Sat 4/25

7:00 am-8:34 pm

1 stop13h 34m

$377

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Sun 5/3

2:34 pm-11:31 pm

1 stop8h 57m

Buffalo

Wed 5/6

6:00 am-1:44 pm

1 stop7h 44m

$388

TorontoBuffalo

YTZ - BUF

YTZBUF

Toronto Island

Tue 4/28

11:00 am-6:13 pm

1 stop7h 13m

Buffalo

Tue 5/5

6:00 am-2:39 pm

1 stop8h 39m

$527

TorontoBuffalo

YTZ - BUF

YTZBUF

Toronto Island

Sat 4/25

11:00 am-6:13 pm

1 stop7h 13m

Buffalo

Sat 5/2

6:00 am-2:39 pm

1 stop8h 39m

$570
Quickest round-trip

TorontoBuffalo

YTZ - BUF

YTZBUF

Toronto Island

Tue 4/28

7:25 am-2:17 pm

2 stops6h 52m

Buffalo

Tue 5/5

6:00 am-2:39 pm

1 stop8h 39m

$594

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 14% 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

4h 33m

Direct flights

None
The fastest flight from Region of Ontario to Buffalo takes 4h 33m
There are no direct flights from Region of Ontario to Buffalo. There are no popular flight routes from Region of Ontario to Buffalo.
Search flight deals

  • 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
Tonawanda
Grand Island
Orchard Park
Williamsville
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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