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Cheap flights from Ontario to Buffalo from $229

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 7/30. 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

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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.
Porter Airlines Logo
5:50 pm - 11:32 pm
YYZ
-
BUF
5h 42m
1 stop
Porter Airlines Logo
7:00 am - 7:35 pm
BUF
-
YYZ
12h 35m
1 stop
$448Porter Airlines
Mon, Jun 29 - Tue, Jul 7
Multiple Airlines Logo
9:50 am - 7:12 pm
YYZ
-
BUF
9h 22m
1 stop
Multiple Airlines Logo
9:02 pm - 4:45 pm
BUF
-
YYZ
19h 43m
1 stop
$455Multiple Airlines
Tue, Jun 16 - Tue, Jun 23
Multiple Airlines Logo
11:20 am - 12:38 am
YTZ
-
BUF
13h 18m
1 stop
Multiple Airlines Logo
9:09 pm - 2:21 pm
BUF
-
YTZ
17h 12m
2 stops
$494Multiple Airlines
Mon, Jun 29 - Tue, Jul 7
Multiple Airlines Logo
11:55 am - 12:38 am
YTZ
-
BUF
12h 43m
2 stops
Multiple Airlines Logo
9:09 pm - 2:21 pm
BUF
-
YTZ
17h 12m
2 stops
$495Multiple Airlines
Mon, Jun 29 - Tue, Jul 7
Multiple Airlines Logo
3:20 pm - 12:38 am
YYZ
-
BUF
9h 18m
1 stop
Multiple Airlines Logo
9:09 pm - 9:44 am
BUF
-
YYZ
12h 35m
1 stop
$506Multiple Airlines
Mon, Jun 29 - Tue, Jul 7
Multiple Airlines Logo
3:20 pm - 12:38 am
YYZ
-
BUF
9h 18m
1 stop
Multiple Airlines Logo
9:09 pm - 10:25 am
BUF
-
YYZ
13h 16m
2 stops
$507Multiple Airlines
Mon, Jun 29 - Tue, Jul 7
Multiple Airlines Logo
8:10 am - 12:38 am
YYZ
-
BUF
16h 28m
2 stops
Multiple Airlines Logo
9:09 pm - 5:24 pm
BUF
-
YYZ
20h 15m
2 stops
$512Multiple Airlines
Mon, Jun 29 - Tue, Jul 7
Multiple Airlines Logo
9:50 am - 7:06 pm
YYZ
-
BUF
9h 16m
1 stop
Multiple Airlines Logo
9:33 pm - 4:45 pm
BUF
-
YYZ
19h 12m
1 stop
$539Multiple Airlines
Wed, Aug 12 - Thu, Aug 13
Multiple Airlines Logo
9:50 am - 7:06 pm
YYZ
-
BUF
9h 16m
1 stop
Multiple Airlines Logo
11:29 am - 10:05 pm
BUF
-
YYZ
10h 36m
2 stops
$541Multiple Airlines
Tue, Jul 7 - Tue, Jul 14
WestJet Logo
2:35 pm - 11:16 pm
YYZ
-
BUF
8h 41m
1 stop
WestJet Logo
10:00 am - 5:31 pm
BUF
-
YYZ
7h 31m
1 stop
$558WestJet
Thu, Oct 1 - Sat, Oct 31

WestJet flights from Region of Ontario to Buffalo

Our best WestJet deals on Region of Ontario to Buffalo flight tickets
WestJet
Oct 1
YYZ2:35 pmToronto Pearson Intl
8h 41m
1 stop
BUF11:16 pmBuffalo
Oct 31
BUF10:00 amBuffalo
7h 31m
1 stop
YYZ5:31 pmToronto Pearson Intl
$558
WestJet
Jun 8
YYZ7:00 amToronto Pearson Intl
12h 17m
2 stops
BUF7:17 pmBuffalo
Jun 15
BUF12:04 pmBuffalo
20h 11m
2 stops
YYZ8:15 amToronto Pearson Intl
$1,616

Air Canada flights from Region of Ontario to Buffalo

Our best Air Canada deals on Region of Ontario to Buffalo flight tickets
Air Canada
Jul 11
YYZ8:05 amToronto Pearson Intl
5h 08m
1 stop
BUF1:13 pmBuffalo
Jul 11
BUF6:04 pmBuffalo
5h 20m
1 stop
YYZ11:24 pmToronto Pearson Intl
$607
Air Canada
Sep 25
YYZ4:00 pmToronto Pearson Intl
4h 47m
1 stop
BUF8:47 pmBuffalo
Sep 27
BUF7:00 amBuffalo
5h 35m
1 stop
YYZ12:35 pmToronto Pearson Intl
$630
Air Canada
Jul 2
YYZ8:05 amToronto Pearson Intl
5h 08m
1 stop
BUF1:13 pmBuffalo
Jul 9
BUF6:04 pmBuffalo
5h 21m
1 stop
YYZ11:25 pmToronto Pearson Intl
$632

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 June 7, 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

Mon 6/29

5:50 pm-11:32 pm

1 stop5h 42m

Buffalo

Tue 7/7

7:00 am-7:35 pm

1 stop12h 35m

$448

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Tue 6/16

9:50 am-7:12 pm

1 stop9h 22m

Buffalo

Tue 6/23

9:02 pm-4:45 pm

1 stop19h 43m

$455

TorontoBuffalo

YTZ - BUF

YTZBUF

Toronto Island

Mon 6/29

11:20 am-12:38 am

1 stop13h 18m

Buffalo

Tue 7/7

9:09 pm-2:21 pm

2 stops17h 12m

$494

TorontoBuffalo

YTZ - BUF

YTZBUF

Toronto Island

Mon 6/29

11:55 am-12:38 am

2 stops12h 43m

Buffalo

Tue 7/7

9:09 pm-2:21 pm

2 stops17h 12m

$495

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Mon 6/29

3:20 pm-12:38 am

1 stop9h 18m

Buffalo

Tue 7/7

9:09 pm-9:44 am

1 stop12h 35m

$506

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Mon 6/29

3:20 pm-12:38 am

1 stop9h 18m

Buffalo

Tue 7/7

9:09 pm-10:25 am

2 stops13h 16m

$507

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Mon 6/29

8:10 am-12:38 am

2 stops16h 28m

Buffalo

Tue 7/7

9:09 pm-5:24 pm

2 stops20h 15m

$512

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Wed 8/12

9:50 am-7:06 pm

1 stop9h 16m

Buffalo

Thu 8/13

9:33 pm-4:45 pm

1 stop19h 12m

$539

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Tue 7/7

9:50 am-7:06 pm

1 stop9h 16m

Buffalo

Tue 7/14

11:29 am-10:05 pm

2 stops10h 36m

$541
Quickest round-trip

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Thu 10/1

2:35 pm-11:16 pm

1 stop8h 41m

Buffalo

Sat 10/31

10:00 am-5:31 pm

1 stop7h 31m

$558

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

What is the cheapest airline that flies from Ontario to Buffalo?

American Airlines is the most popular carrier operating from Ontario to Buffalo

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

5h 32m

Direct flights

None
The fastest flight from Region of Ontario to Buffalo takes 5h 32m
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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Frequently asked questions about flying from Ontario to Buffalo

  • 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
Williamsville
Grand Island
Orchard Park
Bowmansville
West Seneca
Lockport
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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