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Cheap flights from Buffalo to Ontario from C$ 200

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 19/7. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — ONT
22 Apr — 29 Apr1
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 17 April 2025.

Round-trip from

C$ 495

One-way from

C$ 200

Popular in

December

Cheapest in

September

Average price

C$ 771
Delta
  • Delta
  • 25/6-30/6
  • 2 total stops
  • 18h 16m total
  • Buffalo to Ontario
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Southwest
  • Southwest
  • 19/7
  • 1 total stop
  • 7h 15m total
  • Buffalo to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 118 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 28 potential savings vs. average RT price).
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Average for round-trip flights in April 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 17 April 2025.

Wed 25/65:09 p.m.BUF - ONT
1 stop8h 16mDelta
Mon 30/610:05 p.m.ONT - BUF
1 stop10h 00mDelta
Deal found 16/4C$ 495
Thu 5/63:05 p.m.BUF - ONT
1 stop9h 06mJetBlue
Wed 11/610:40 p.m.ONT - BUF
1 stop10h 02mJetBlue
Deal found 17/4C$ 510
Wed 28/55:51 p.m.BUF - ONT
1 stop7h 35mUnited Airlines
Sat 31/55:10 a.m.ONT - BUF
2 stops12h 51mUnited Airlines
Deal found 17/4C$ 607
Thu 8/55:10 a.m.BUF - ONT
2 stops13h 22mAlaska Airlines
Tue 13/56:00 a.m.ONT - BUF
2 stops14h 22mAlaska Airlines
Deal found 17/4C$ 614
Sat 26/46:43 a.m.BUF - ONT
1 stop8h 03mAmerican Airlines
Wed 30/412:50 p.m.ONT - BUF
1 stop7h 10mAmerican Airlines
Deal found 17/4C$ 1,091
Fri 18/43:55 p.m.BUF - ONT
1 stop10h 05mSouthwest
Tue 22/47:55 a.m.ONT - BUF
1 stop7h 50mSouthwest
Deal found 17/4C$ 1,130

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 17 April 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

Wed 25/6

5:09 p.m.-10:25 p.m.

1 stop8h 16m

Ontario

Mon 30/6

10:05 p.m.-11:05 a.m.

1 stop10h 00m

C$ 495

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Thu 5/6

3:05 p.m.-9:11 p.m.

1 stop9h 06m

Ontario

Wed 11/6

10:40 p.m.-11:42 a.m.

1 stop10h 02m

C$ 510

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Wed 28/5

5:51 p.m.-10:26 p.m.

1 stop7h 35m

Ontario

Sat 31/5

5:10 a.m.-9:01 p.m.

2 stops12h 51m

C$ 607

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Thu 8/5

5:10 a.m.-3:32 p.m.

2 stops13h 22m

Ontario

Tue 13/5

6:00 a.m.-11:22 p.m.

2 stops14h 22m

C$ 614

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Sat 19/7

5:00 a.m.-9:15 a.m.

1 stop7h 15m

C$ 200

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Wed 28/5

3:05 p.m.-9:11 p.m.

1 stop9h 06m

C$ 216

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Sat 24/5

5:51 p.m.-10:26 p.m.

1 stop7h 35m

C$ 276

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Mon 2/6

5:10 a.m.-3:50 p.m.

2 stops13h 40m

C$ 340

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/4

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 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 17 April 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 17 April 2025.
See what other customers who have flown with Alaska Airlines, Southwest 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.
Alaska Airlines
8.0
Very good
9,887 reviews
Check prices

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,887 reviews
Alaska Airlines
8.0
Very good
9,887 reviews
Check prices

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
9,887 reviews
Check prices

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,916 reviews
Alaska Airlines
8.0
Very good
9,887 reviews
Check prices

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,887 reviews
Check prices

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
JetBlue
7.3
Good
2,926 reviews
Alaska Airlines
8.0
Very good
9,887 reviews
Check prices

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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$ 495. Additional round-trip tickets that might be worth considering are offered by JetBlue and United Airlines, with the lowest prices starting at C$ 510 and C$ 607, 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$ 200 on Southwest. Other airlines that offer cheap prices include JetBlue from C$ 216 and United Airlines from C$ 276 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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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 17 April 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapestC$ 575AverageC$ 647FlexibilityNo cancel feeOn-time63%
Search Southwest flights

Fly with Cheapflights

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.

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