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Cheap flights from Buffalo to Ontario from C$ 193

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 30/4. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — ONT
26 Feb — 5 Mar1
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 21 February 2025.

Round-trip from

C$ 494

One-way from

C$ 193

Popular in

December

Cheapest in

September

Average price

C$ 612
Delta
  • Delta
  • 5/3-11/3
  • 3 total stops
  • 19h 48m total
  • Buffalo to Ontario
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JetBlue
  • JetBlue
  • 30/4
  • 1 total stop
  • 9h 17m total
  • Buffalo to Ontario
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 155 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 30 potential savings vs. average RT price).
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Average for round-trip flights in February 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 21 February 2025.

Wed 5/311:48 a.m.BUF - ONT
2 stops14h 04mDelta
Wed 12/312:46 p.m.ONT - BUF
1 stop8h 21mDelta
Deal found 19/2C$ 494
Thu 8/57:32 p.m.BUF - ONT
1 stop7h 12mAmerican Airlines
Sun 11/56:01 a.m.ONT - BUF
1 stop9h 41mAmerican Airlines
Deal found 19/2C$ 540
Sat 15/37:55 p.m.BUF - ONT
1 stop7h 10mSouthwest
Sat 22/311:30 a.m.ONT - BUF
1 stop9h 35mSouthwest
Deal found 19/2C$ 577
Fri 2/53:05 p.m.BUF - ONT
1 stop9h 17mJetBlue
Sun 4/510:40 p.m.ONT - BUF
1 stop8h 04mJetBlue
Deal found 20/2C$ 604
Tue 8/410:54 a.m.BUF - ONT
2 stops12h 27mUnited Airlines
Tue 15/45:00 a.m.ONT - BUF
2 stops10h 47mUnited Airlines
Deal found 18/2C$ 653
Fri 22/86:45 p.m.BUF - ONT
2 stops18h 54mAlaska Airlines
Mon 25/811:00 a.m.ONT - BUF
3 stops19h 34mAlaska Airlines
Deal found 19/2C$ 940

Find flights from Buffalo to Ontario within your budget

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 21 February 2025.

Fly from

Buffalo

Fly to

Ontario

Route

Depart

Return

Price

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Wed 5/3

2:25 p.m.-10:52 p.m.

2 stops11h 27m

Ontario

Tue 11/3

12:46 p.m.-12:07 a.m.

1 stop8h 21m

C$ 494

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Thu 8/5

7:32 p.m.-11:44 p.m.

1 stop7h 12m

Ontario

Sun 11/5

6:01 a.m.-6:42 p.m.

1 stop9h 41m

C$ 540

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Sat 15/3

7:55 p.m.-12:05 a.m.

1 stop7h 10m

Ontario

Sat 22/3

11:30 a.m.-12:05 a.m.

1 stop9h 35m

C$ 577

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Fri 2/5

3:05 p.m.-9:22 p.m.

1 stop9h 17m

Ontario

Sun 4/5

10:40 p.m.-9:44 a.m.

1 stop8h 04m

C$ 604

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Tue 8/4

10:54 a.m.-8:21 p.m.

2 stops12h 27m

Ontario

Tue 15/4

5:00 a.m.-6:47 p.m.

2 stops10h 47m

C$ 653

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Fri 18/4

2:58 p.m.-11:59 p.m.

2 stops12h 01m

Ontario

Thu 24/4

6:24 p.m.-9:38 a.m.

2 stops12h 14m

C$ 933

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Wed 30/4

3:05 p.m.-9:22 p.m.

1 stop9h 17m

C$ 193

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Wed 21/5

12:09 p.m.-7:42 p.m.

1 stop10h 33m

C$ 244

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Fri 28/3

5:00 p.m.-11:15 p.m.

1 stop9h 15m

C$ 280

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Wed 2/4

7:00 a.m.-2:50 p.m.

2 stops10h 50m

C$ 322

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/2

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.

Travel insights for flights from Buffalo to Ontario

Get recent, data-driven insights about flights from Buffalo to Ontario including ideal travel times, pricing trends, and more.

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 May is currently the most expensive (average of C$ 574). 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 21 February 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 mm per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 12.0 C).

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 21 February 2025.
See what other customers who have flown with Southwest, Alaska Airlines and Delta from Buffalo to Ontario have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews
Check prices

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews
Check prices

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews
Check prices

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews
Check prices

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

JetBlue
7.4
Good
3,070 reviews
Southwest
8.1
Very good
4,411 reviews
Check prices

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews
Check prices

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

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 Delta is currently your cheapest option to Ontario, with prices starting at C$ 494. Additional round-trip tickets that might be worth considering are offered by American Airlines and Southwest, with the lowest prices starting at C$ 540 and C$ 577, respectively. Delta is 17% 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$ 193 on JetBlue. Other airlines that offer cheap prices include Delta from C$ 244 and Southwest from C$ 280 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 May is currently the most expensive (average of C$ 574). 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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Fly with Cheapflights

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How does Cheapflights help users find flights from Buffalo to Ontario?

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Why should you use Cheapflights to find cheap flight tickets from Buffalo to Ontario?

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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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