This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/11. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — ONT
10 Dec — 17 Dec1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheap flight deals from Buffalo to Ontario
Enter your travel dates to find the best prices.
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Best
Last-minute
One-way
Cheapest flights from Buffalo to Ontario
Explore the most affordable flight options available from Buffalo to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 November 2026.
Thu 26/116:00 a.m. -
1 stop8h 03m
Sat 12/1212:20 p.m. -
1 stop8h 44m
Deal found 5/11C$ 532
Sat 5/127:00 a.m. -
1 stop8h 12m
Sat 12/121:02 p.m. -
1 stop6h 50m
Deal found 6/11C$ 563
Sat 5/121:10 p.m. -
2 stops10h 50m
Sat 12/121:25 p.m. -
1 stop6h 00m
Deal found 6/11C$ 570
Mon 7/128:17 a.m. -
1 stop7h 17m
Wed 9/121:40 p.m. -
1 stop6h 17m
Deal found 4/11C$ 715
Thu 3/128:17 a.m. -
1 stop7h 17m
Sun 6/121:40 p.m. -
1 stop6h 17m
Deal found 5/11C$ 765
Thu 3/128:17 a.m. -
1 stop7h 17m
Sat 12/121:40 p.m. -
1 stop6h 17m
Deal found 8/11C$ 768
Best flights from Buffalo to Ontario
Discover carefully curated flight deals from Buffalo to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 10 November 2026.
Sat 5/121:10 p.m. -
2 stops10h 50m
Sat 12/121:25 p.m. -
1 stop6h 00m
Deal found 6/11C$ 570
Thu 3/126:30 a.m. -
2 stops14h 06m
Sun 6/125:00 a.m. -
2 stops8h 57m
Deal found 5/11C$ 779
Fri 18/126:00 a.m. -
1 stop8h 07m
Wed 23/1211:14 a.m. -
1 stop9h 41m
Deal found 8/11C$ 961
Fri 4/128:17 a.m. -
1 stop7h 17m
Wed 9/126:40 p.m. -
2 stops12h 04m
Deal found 8/11C$ 789
Wed 17/21:47 p.m. -
1 stop7h 55m
Wed 24/21:45 p.m. -
1 stop6h 11m
Deal found 5/11C$ 793
Thu 24/125:35 p.m. -
1 stop7h 56m
Thu 31/1211:52 p.m. -
1 stop6h 51m
Deal found 5/11C$ 794
Thu 24/125:35 p.m. -
1 stop7h 56m
Tue 29/1211:52 p.m. -
1 stop6h 51m
Deal found 5/11C$ 794
Thu 17/128:15 a.m. -
1 stop7h 27m
Sun 27/1211:52 p.m. -
1 stop6h 51m
Deal found 6/11C$ 913
Thu 17/128:15 a.m. -
1 stop7h 27m
Mon 28/1211:52 p.m. -
1 stop6h 51m
Deal found 6/11C$ 913
Thu 25/31:55 p.m. -
2 stops12h 04m
Mon 29/36:53 p.m. -
2 stops11h 53m
Deal found 8/11C$ 927
Fri 25/122:50 p.m. -
2 stops10h 41m
Mon 28/1211:52 p.m. -
2 stops11h 23m
Deal found 7/11C$ 969
Last-minute flights from Buffalo to Ontario
Discover last-minute flight deals from Buffalo to Ontario. Data last updated 10 November 2026 and is based on user searches.
Thu 26/116:00 a.m. -
1 stop8h 03m
Sat 12/1212:20 p.m. -
1 stop8h 44m
Deal found 5/11C$ 532
Thu 3/128:17 a.m. -
1 stop7h 17m
Sun 6/121:40 p.m. -
1 stop6h 17m
Deal found 5/11C$ 765
Thu 3/128:17 a.m. -
1 stop7h 17m
Sat 12/121:40 p.m. -
1 stop6h 17m
Deal found 8/11C$ 768
Sat 5/127:00 a.m. -
1 stop8h 12m
Sat 12/121:02 p.m. -
1 stop6h 50m
Deal found 6/11C$ 563
Sat 5/121:10 p.m. -
2 stops10h 50m
Sat 12/121:25 p.m. -
1 stop6h 00m
Deal found 6/11C$ 570
Mon 7/128:17 a.m. -
1 stop7h 17m
Wed 9/121:40 p.m. -
1 stop6h 17m
Deal found 4/11C$ 715
One-way flights from Buffalo to Ontario
Search for one-way flight options from Buffalo to Ontario. Find affordable one-way fares based on user searches. Data last updated 10 November 2026.
Thu 26/116:00 a.m. -
1 stop8h 03m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 5/11C$ 267
Tue 15/126:00 a.m. -
1 stop8h 07m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 9/11C$ 282
Mon 14/1212:11 p.m. -
1 stop9h 27m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 9/11C$ 353
Fri 29/18:00 a.m. -
1 stop7h 40m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 5/11C$ 358
Sat 12/128:17 a.m. -
1 stop7h 17m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 8/11C$ 374
Mon 21/124:10 p.m. -
1 stop7h 50m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 6/11C$ 381
Thu 3/128:17 a.m. -
1 stop7h 17m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 6/11C$ 395
Thu 24/125:35 p.m. -
1 stop7h 56m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 5/11C$ 436
Find flight deals from Buffalo to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 10 November 2026.
Customize your flight search to find flights from Buffalo to Ontario 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 7,457,451 searches. Data last updated 10 November 2026.
Use the filters below to find and compare flights from Buffalo to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest round-trip
BuffaloOntario
BUF Buffalo - ONT Ontario
BUFONT
Buffalo
Thu 17/12
6:00 a.m.-11:07 a.m.
1 stop8h 07m
Ontario
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 353
BuffaloOntario
BUF Buffalo - ONT Ontario
BUFONT
Buffalo
Wed 16/12
6:00 a.m.-11:07 a.m.
1 stop8h 07m
Ontario
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 353
BuffaloOntario
BUF Buffalo - ONT Ontario
BUFONT
Buffalo
Sat 12/12
8:17 a.m.-12:34 p.m.
1 stop7h 17m
Ontario
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 374
BuffaloOntario
BUF Buffalo - ONT Ontario
BUFONT
Buffalo
Thu 24/12
5:35 p.m.-10:31 p.m.
1 stop7h 56m
Ontario
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 436
Quickest round-trip
BuffaloOntario
BUF Buffalo - ONT Ontario
BUFONT
Buffalo
Sat 8/5
8:30 a.m.-12:33 p.m.
1 stop7h 03m
Ontario
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 457
BuffaloOntario
BUF Buffalo - ONT Ontario
BUFONT
Buffalo
Fri 20/11
7:20 a.m.-2:05 p.m.
2 stops9h 45m
Ontario
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 471
BuffaloOntario
BUF Buffalo - ONT Ontario
BUFONT
Buffalo
Wed 25/11
3:25 p.m.-8:55 p.m.
2 stops8h 30m
Ontario
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 499
BuffaloOntario
BUF Buffalo - ONT Ontario
BUFONT
Buffalo
Mon 23/11
6:30 a.m.-5:56 p.m.
2 stops14h 26m
Ontario
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 563
BuffaloOntario
BUF Buffalo - ONT Ontario
BUFONT
Buffalo
Tue 24/11
6:30 a.m.-5:56 p.m.
2 stops14h 26m
Ontario
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 563
BuffaloOntario
BUF Buffalo - ONT Ontario
BUFONT
Buffalo
Sat 5/12
1:10 p.m.-9:00 p.m.
2 stops10h 50m
Ontario
Sat 12/12
1:25 p.m.-10:25 p.m.
1 stop6h 00m
C$ 570
Flights are sorted by cheapest round-trip flights first.
Deals found on 9/11
Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Buffalo to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Buffalo with our price prediction graph.
BUF-ONT
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 Buffalo to Ontario
How much does it cost to fly round-trip from Buffalo to Ontario?
Airfare is below average for this route at the moment.
Buffalo to Ontario flights typically cost between C$ 587 and C$ 686 in November.The cheapest round-trip price found within the last 5 days was C$ 532 on Delta (26 Nov-12 Dec).
Related info for your journey
Find useful and relevant information for your journey from Buffalo to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
How long is the flight from Buffalo to Ontario?
Southwest and United Airlines can get you from Buffalo to Ontario in just under 10h 50m. Your travel time can differ by up to 3h 16m. The distance between Buffalo and Ontario is about 3487 km. This flight may include one or multiple stops.
Can I find deals for flights from Buffalo to Ontario that include hotel bookings?
Yes. In addition to deals on Buffalo to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Buffalo to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Ontario.
Can I find deals for business class flights from Buffalo to Ontario?
Yes. Cheapflights offers flight deals from Buffalo to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Buffalo to Ontario?
Cheapflights helps you search for flights from Buffalo to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Buffalo to Ontario?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Buffalo to Ontario for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Buffalo to Ontario with no change fees?
Yes! Cheapflights helps users easily find flights from Buffalo to Ontario with no change fees.
Can Cheapflights notify me if prices for flights from Buffalo to Ontario become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!
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