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Cheap flights from Ontario to Buffalo (ONT - BUF) from $99

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 8/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — BUF
jun. 11 — jun. 181
From?
To?
mar. 6/11
mar. 6/18
1 adult, Economy
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The best prices from Ontario to Buffalo are usually found in April or January, booked 44 days in advance, depart on a Sunday or Monday and return on a Tuesday

Cheap flight deals from Ontario to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Buffalo (BUF). 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 junio 6, 2024.

Popular in

July

Cheapest in

April

Round-trip from

$256

One-way from

$143
High demand for flights, 32% potential price rise
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Best time to find cheap flights, 26% potential price drop
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From Ontario to Buffalo
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One-way flight from Ontario to Buffalo
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What is the cheapest day to fly round-trip from Ontario to Buffalo?

Saturday is generally a great day to depart. Flying on this day could help you save up to 55%.

How far in advance should I book a flight from Ontario to Buffalo?

Find a great deal and save up to 90% by booking at least 40 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ontario to Buffalo within the next two weeks, with the cheapest ticket starting at $358.

What is the cheapest month to fly from Ontario to Buffalo?

The best pricing can be found in the month of September. Prices to Buffalo from Ontario average $349. You can even find prices in September for less than $349, as users have found deals to Buffalo from as low as $135. The month of July appears to be one of the more expensive times to travel to Buffalo from Ontario. Flying in the targeted month can save you up to 27%.

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

One of the essential ways to save on airfare from Ontario to Buffalo is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 17% on airfare.

Cheap Ontario to Buffalo flights in June & July 2024

Find cheap flight options from Ontario to Buffalo specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on junio 6, 2024.
These are some of the most attractive deals on flights from Ontario to Buffalo in 2024. For more flight deals, be sure to check back very soon.
mar. 6/2512:59 amONT - BUF
1 stop13h 53mFrontier
vie. 6/286:15 pmBUF - ONT
1 stop8h 25mFrontier
Deal found 6/6$256
vie. 7/267:19 amONT - BUF
1 stop8h 57mFrontier
vie. 8/166:46 pmBUF - ONT
1 stop7h 53mFrontier
Deal found 6/6$276
dom. 6/1612:59 amONT - BUF
1 stop12h 51mFrontier
vie. 6/216:15 pmBUF - ONT
1 stop8h 25mFrontier
Deal found 6/6$287
dom. 6/1612:59 amONT - BUF
1 stop12h 51mFrontier
vie. 6/216:15 pmBUF - ONT
1 stop8h 25mFrontier
Deal found 6/5$289
sáb. 7/69:46 amONT - BUF
1 stop9h 06mFrontier
mié. 7/106:28 pmBUF - ONT
1 stop8h 11mFrontier
Deal found 6/5$290
mié. 6/128:03 amONT - BUF
1 stop6h 49mFrontier
sáb. 6/2910:54 pmBUF - ONT
1 stop28h 05mFrontier
Deal found 6/5$293
mié. 6/128:03 amONT - BUF
1 stop6h 49mFrontier
mié. 6/266:52 pmBUF - ONT
1 stop19h 07mFrontier
Deal found 6/5$296
vie. 7/512:40 amONT - BUF
1 stop18h 12mFrontier
mié. 7/106:28 pmBUF - ONT
1 stop8h 11mFrontier
Deal found 6/5$297
mar. 6/2512:59 amONT - BUF
1 stop13h 53mFrontier
lun. 7/15:52 pmBUF - ONT
1 stop16h 35mFrontier
Deal found 6/5$299

Ontario to Buffalo 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Buffalo in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated junio 6, 2024.
These are some of the most attractive deals on flights from Ontario to Buffalo in 2024. For more flight deals, be sure to check back very soon.
dom. 9/112:49 amONT - BUF
1 stop12h 31mFrontier
sáb. 9/76:46 pmBUF - ONT
1 stop7h 58mFrontier
Deal found 6/5$180
dom. 8/1812:49 amONT - BUF
1 stop12h 31mFrontier
mié. 8/286:46 pmBUF - ONT
1 stop7h 53mFrontier
Deal found 6/5$222
dom. 8/1112:59 amONT - BUF
1 stop13h 49mFrontier
vie. 8/166:46 pmBUF - ONT
1 stop14h 44mFrontier
Deal found 6/6$227
mar. 10/110:50 amONT - BUF
1 stop9h 53mAmerican Airlines
mar. 10/85:40 pmBUF - ONT
1 stop8h 46mAmerican Airlines
Deal found 6/5$236
mar. 10/18:10 amONT - BUF
2 stops11h 24mAmerican Airlines
mar. 10/85:40 pmBUF - ONT
1 stop8h 46mAmerican Airlines
Deal found 6/5$241
lun. 8/1911:47 pmONT - BUF
1 stop7h 43mJetBlue
mar. 8/275:00 pmBUF - ONT
1 stop8h 32mJetBlue
Deal found 6/5$248
lun. 8/127:19 amONT - BUF
1 stop7h 29mFrontier
vie. 8/166:46 pmBUF - ONT
1 stop7h 53mFrontier
Deal found 6/6$254
mar. 8/1312:49 amONT - BUF
1 stop13h 57mFrontier
vie. 8/166:46 pmBUF - ONT
1 stop7h 53mFrontier
Deal found 6/5$255
mar. 6/2512:59 amONT - BUF
1 stop13h 53mFrontier
vie. 6/286:15 pmBUF - ONT
1 stop8h 25mFrontier
Deal found 6/6$256

Ontario to Buffalo flights leaving soon

Find last-minute flight options from Ontario to Buffalo for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated junio 6, 2024.
Consider one of these great deals we found on last-minute flights from Ontario to Buffalo. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
dom. 6/1612:59 amONT - BUF
1 stop12h 51mFrontier
vie. 6/216:15 pmBUF - ONT
1 stop8h 25mFrontier
Deal found 6/6$287
dom. 6/1612:59 amONT - BUF
1 stop12h 51mFrontier
vie. 6/216:15 pmBUF - ONT
1 stop8h 25mFrontier
Deal found 6/5$289
mié. 6/128:03 amONT - BUF
1 stop6h 49mFrontier
sáb. 6/2910:54 pmBUF - ONT
1 stop28h 05mFrontier
Deal found 6/5$293
mié. 6/128:03 amONT - BUF
1 stop6h 49mFrontier
mié. 6/266:52 pmBUF - ONT
1 stop19h 07mFrontier
Deal found 6/5$296
sáb. 6/157:26 pmONT - BUF
2 stops12h 50mAmerican Airlines
vie. 6/215:37 pmBUF - ONT
1 stop7h 32mAmerican Airlines
Deal found 6/5$343
mar. 6/1112:59 amONT - BUF
1 stop13h 53mFrontier
sáb. 6/2910:54 pmBUF - ONT
1 stop28h 05mFrontier
Deal found 6/5$354
mar. 6/1112:59 amONT - BUF
1 stop13h 53mFrontier
mié. 6/266:52 pmBUF - ONT
1 stop19h 07mFrontier
Deal found 6/5$357
dom. 6/1612:59 amONT - BUF
1 stop12h 51mFrontier
lun. 7/15:52 pmBUF - ONT
1 stop9h 07mFrontier
Deal found 6/6$385
sáb. 6/157:26 pmONT - BUF
2 stops12h 50mAmerican Airlines
vie. 6/218:15 amBUF - ONT
2 stops10h 36mAmerican Airlines
Deal found 6/5$391

One-way flights to Buffalo from Ontario

Search for one-way flight options from Ontario to Buffalo. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated junio 6, 2024.
Take a look at some of the best available options we've come across on one-way flights from Ontario to Buffalo. Users needing a return flight from Ontario to Buffalo should utilize the search form above.
sáb. 8/310:41 amONT - BUF
1 stop7h 01mFrontier
Deal found 6/6$99
mar. 8/2712:49 amONT - BUF
1 stop13h 57mFrontier
Deal found 6/5$100
mar. 9/2412:49 amONT - BUF
1 stop13h 57mFrontier
Deal found 6/5$101
sáb. 8/310:41 amONT - BUF
1 stop7h 01mFrontier
Deal found 6/6$104
mar. 8/612:59 amONT - BUF
1 stop13h 28mFrontier
Deal found 6/6$105
vie. 8/212:39 amONT - BUF
1 stop17h 03mFrontier
Deal found 6/6$109
sáb. 8/310:41 amONT - BUF
1 stop7h 01mFrontier
Deal found 6/5$110
sáb. 9/2110:40 pmONT - BUF
1 stop7h 52mAmerican Airlines
Deal found 6/5$118
vie. 8/212:39 amONT - BUF
1 stop17h 03mFrontier
Deal found 6/5$120

Find flights from Ontario to Buffalo within your budget

Customize your flight search to find flights from 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, Cheapflights users made 3,050,429 searches. Data last updated junio 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$180 - $406

Route

Depart

Return

Price

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

dom. 9/1

1 stop12h 31m

Buffalo

sáb. 9/7

1 stop7h 58m

$180

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

dom. 8/18

1 stop12h 31m

Buffalo

mié. 8/28

1 stop7h 53m

$222

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

mar. 10/1

1 stop9h 53m

Buffalo

mar. 10/8

1 stop8h 46m

$236

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

mar. 10/1

2 stops11h 24m

Buffalo

mar. 10/8

1 stop8h 46m

$241

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

lun. 8/19

1 stop7h 43m

Buffalo

mar. 8/27

1 stop8h 32m

$248

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

mar. 8/13

1 stop13h 57m

Buffalo

vie. 8/16

1 stop7h 53m

$255

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

lun. 9/23

1 stop8h 58m

Buffalo

jue. 9/26

1 stop9h 51m

$276

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

lun. 8/19

2 stops14h 32m

Buffalo

mié. 8/28

2 stops8h 32m

$366

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

sáb. 7/20

1 stop9h 32m

Buffalo

sáb. 7/27

1 stop7h 13m

$406

Flights are sorted by cheapest first

Deals found on 6/5

How far ahead should I book a flight from Ontario to Buffalo?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Buffalo. Price data was last updated on May 31, 2024.
The best time to book flights from Ontario to Buffalo is 44 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

What is the cheapest day to fly from Ontario to Buffalo?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Buffalo. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ontario to Buffalo flight should consider departing on Monday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Best time to book a flight from Ontario to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from Ontario 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.

Temperature and rainfall in Buffalo by month

Plan your trip to Buffalo by taking into account the average temperature and rainfall totals by month.

BUF

Temperature

24.8 - 71.6 °F

If weather is an important factor for your trip to Buffalo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

Reviews of airlines servicing Buffalo

Get insights into the airlines that provide service to Buffalo. 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 Buffalo. Reviews last updated junio 6, 2024.
To help decide which airline to fly from Ontario to Buffalo, see what other customers have to say about Frontier, American Airlines and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,222 reviews

Overall

8.1

Food

7.3

Crew

8.6

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,222 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Overall

8.1

Food

7.3

Crew

8.6

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.0
Very good
10,368 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Overall

8.1

Food

7.3

Crew

8.6

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

JetBlue
7.6
Good
4,316 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Overall

8.1

Food

7.3

Crew

8.6

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
10,696 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Overall

8.1

Food

7.3

Crew

8.6

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,227 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Overall

8.1

Food

7.3

Crew

8.6

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Buffalo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Ontario to Buffalo for under $200 on Cheapflights?

    Yes, there are multiple flights from Ontario to Buffalo for under $200. The cheapest flight booked recently is on Frontier for just $180, but on average you can expect to pay $276.

  • Are there last-minute flights available from Ontario to Buffalo for under $300?

    There are currently 20+ open flights from Ontario to Buffalo within the next 7 days for less than $300.

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

    According to our current data, Frontier ($180), American Airlines ($236), and JetBlue ($248) offers the cheapest pricing from Ontario to Buffalo. Frontier is 57% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as $99 on Frontier. Other airlines that offer cheap prices include American Airlines from $118 and JetBlue from $124 one-way.

  • What does ONT to BUF mean?

    ONT stands for Ontario Airport, while BUF stands for Buffalo Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from Ontario to Buffalo that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Buffalo flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to Buffalo with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Buffalo flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Ontario to Buffalo that include hotel bookings?

    Yes. In addition to deals on Ontario to Buffalo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Buffalo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Buffalo.

  • Can I find deals for business class flights from Ontario to Buffalo?

    Yes. Cheapflights offers flight deals from Ontario to Buffalo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Ontario to Buffalo that allow pets onboard?

    Many airlines flying from Ontario to Buffalo offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to Buffalo?

    Yes, you can often find last-minute deals on Ontario to Buffalo flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ontario to Buffalo flight deals updated?

    The Ontario to Buffalo flight deals you see on this page were last updated on 6/6.

  • What are the most popular airlines that fly from Ontario to Buffalo?

    When booking a flight from Ontario to Buffalo, you may want to consider flying on American Airlines, JetBlue or Delta as they are the most popular for this route.

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

    Currently, January is the cheapest month in which you can book a flight from Ontario to Buffalo (average of $256). Flying from Ontario to Buffalo in July is currently the most expensive (average of $359). 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.

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Alternative routes for Ontario to Buffalo
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Top 4 airlines flying from Ontario to Buffalo

Discover the top 4 airlines that operate flights from Ontario to Buffalo. 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 3,050,429 searches. Data last updated junio 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$147Average$294FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$251Average$614FlexibilityNo cancel feeOn-time62%
DeltaCheapest$256Average$492FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$276Average$504FlexibilityNo cancel feeOn-time71%
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Search flights from Ontario to Buffalo by cabin class

Find flights from Ontario to Buffalo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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