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Cheap flights from Buffalo to Ontario from C$ 182

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/7. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — ONT
1 Jul — 8 Jul1
1 adult

Cheap 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 26 June 2025.

Round-trip from

C$ 398

One-way from

C$ 182

Popular in

December

Cheapest in

September

Average price

C$ 781
JetBlue
  • JetBlue
  • 1/8-4/8
  • 2 total stops
  • 21h 28m total
  • Buffalo to Ontario
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Frontier
  • Frontier
  • 30/7
  • 1 total stop
  • 9h 38m total
  • Buffalo to Ontario
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Highest demand for flights based on searches. 9% potential increase in price (C$ 85 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 23 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Buffalo to Ontario

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 26 June 2025.

Fri 1/812:43 p.m.BUF - ONT
1 stop12h 26mJetBlue
Mon 4/811:59 p.m.ONT - BUF
1 stop9h 02mJetBlue
Deal found 26/6C$ 398
Tue 29/76:00 a.m.BUF - ONT
1 stop7h 30mDelta
Sat 2/811:40 a.m.ONT - BUF
1 stop9h 19mDelta
Deal found 26/6C$ 406
Mon 28/72:11 p.m.BUF - ONT
1 stop12h 39mFrontier
Tue 29/75:21 p.m.ONT - BUF
1 stop19h 56mFrontier
Deal found 24/6C$ 510
Tue 9/95:54 p.m.BUF - ONT
1 stop7h 36mUnited Airlines
Sat 13/97:00 a.m.ONT - BUF
1 stop6h 52mUnited Airlines
Deal found 25/6C$ 529
Tue 9/95:38 a.m.BUF - ONT
2 stops11h 31mAlaska Airlines
Sat 13/96:00 a.m.ONT - BUF
2 stops12h 50mAlaska Airlines
Deal found 24/6C$ 660
Wed 2/76:00 a.m.BUF - ONT
2 stops10h 00mSouthwest
Wed 2/78:10 p.m.ONT - BUF
2 stops14h 30mSouthwest
Deal found 24/6C$ 901

Cheapflights Fare Finder

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 629,999 searches. Data last updated 26 June 2025.
Use the filters below to find and compare flights from Buffalo to Ontario that are best for you.

Fly from

Buffalo

Fly to

Ontario

Route

Depart

Return

Price

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Fri 1/8

12:43 p.m.-10:09 p.m.

1 stop12h 26m

Ontario

Mon 4/8

11:59 p.m.-12:01 p.m.

1 stop9h 02m

C$ 398

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Tue 29/7

6:00 a.m.-10:30 a.m.

1 stop7h 30m

Ontario

Sat 2/8

11:40 a.m.-11:59 p.m.

1 stop9h 19m

C$ 406

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Mon 28/7

2:11 p.m.-11:50 p.m.

1 stop12h 39m

Ontario

Tue 29/7

5:21 p.m.-4:17 p.m.

1 stop19h 56m

C$ 510

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Tue 9/9

5:54 p.m.-10:30 p.m.

1 stop7h 36m

Ontario

Sat 13/9

7:00 a.m.-4:52 p.m.

1 stop6h 52m

C$ 529

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Tue 9/9

5:38 a.m.-2:09 p.m.

2 stops11h 31m

Ontario

Sat 13/9

6:00 a.m.-9:50 p.m.

2 stops12h 50m

C$ 660

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Sun 6/7

6:40 a.m.-12:10 p.m.

1 stop8h 30m

Ontario

Thu 10/7

9:20 p.m.-8:00 a.m.

1 stop7h 40m

C$ 932

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Wed 30/7

5:12 p.m.-11:50 p.m.

1 stop9h 38m

C$ 182

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Tue 12/8

4:43 p.m.-10:20 p.m.

1 stop8h 37m

C$ 204

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Wed 3/9

3:55 p.m.-9:29 p.m.

1 stop8h 34m

C$ 213

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Mon 1/9

5:50 a.m.-11:35 a.m.

1 stop8h 45m

C$ 231

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/6

Showing 1-10 of 12 results
1
2

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.
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

What is the cheapest month to book a flight from Buffalo to Ontario?

Currently, September is the cheapest month in which you can book a flight from Buffalo to Ontario (average of C$ 290). Flying from Buffalo to Ontario in December is currently the most expensive (average of C$ 461). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BUF to ONT?

Find hourly flight availability from Buffalo to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 June 2025.

A simple way to save on the total cost of your ticket is to fly from Buffalo to Ontario at noon. If you’re flexible enough to do this you can expect to save up to 27% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 26 June 2025.
See what other customers who have flown with Alaska Airlines,Southwest, andDelta from Buffalo to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,276 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,838 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,922 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What are the cheapest airlines flying from Buffalo to Ontario round-trip?

    Flying on JetBlue is currently your cheapest option to Ontario, with prices starting at C$ 398. Additional round-trip tickets that might be worth considering are offered by Delta and Frontier, with the lowest prices starting at C$ 406 and C$ 510, respectively. JetBlue is 35% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Buffalo to Ontario one-way?

    One-way options have recently been found by users for as low as C$ 182 on Frontier. Other airlines that offer cheap prices include Delta from C$ 204 and JetBlue from C$ 213 one-way.

  • 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.

  • What is the cheapest month to book a flight from Buffalo to Ontario?

    Currently, September is the cheapest month in which you can book a flight from Buffalo to Ontario (average of C$ 290). Flying from Buffalo to Ontario in December is currently the most expensive (average of C$ 461). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Buffalo to Ontario

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Top airline flying from Buffalo to Ontario

Discover the top airline that operate flights from Buffalo to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 26 June 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapestC$ 567AverageC$ 638FlexibilityNo cancel feeOn-time63%
Search Southwest flights

Fly with Cheapflights

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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.

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