Cheap flights from Buffalo to Ontario (BUF - ONT) from $69

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight to Ontario departing on 4/13. 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.
BUF — ONT
Mar 5 — Mar 121

The best prices from Buffalo to Ontario are usually found in November or January, booked 12 days in advance, depart on a Tuesday or Friday and return on a Sunday

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 February 29, 2024.

Popular in

August

Cheapest in

November

Average price

$297

Round-trip from

$238
High demand for flights, 39% potential price rise
Best time to find cheap flights, 42% potential price drop
Average for round-trip flights in February 2024
From Buffalo to Ontario

What is the cheapest day to fly round-trip from Buffalo to Ontario?

Sunday flights are generally found to be more expensive for flights from Buffalo to Ontario. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Ontario.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 36 days in advance, which can save you up to 137% on flights from Buffalo to Ontario compared to booking the week you need them. Waiting 36 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $374. For sooner than that we have options available in the next 3 days from $414.

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

Our data shows that September tends to be the cheapest month to fly to Ontario from Buffalo. Users have commonly found prices around $372 for the month, but tickets can be as low as $114. Due to multiple factors, prepare for potentially higher prices in June.

When is the cheapest time to fly from Buffalo to Ontario (BUF - ONT)?

One of the essential ways to save on airfare from Buffalo to Ontario is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 22% on airfare.

Cheap Frontier flights from Buffalo to Ontario

Explore cheap flight options specifically provided by Frontier for the route between Buffalo and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.
Find some of the cheapest Frontier flights traveling from Buffalo to Ontario. It's recommended that users confirm their flight details before booking.
Mon 4/297:02 pmBUF - ONT
1 stop7h 57mFrontier
Mon 5/67:26 amONT - BUF
1 stop7h 36mFrontier
Deal found 2/29$138
Mon 5/137:02 pmBUF - ONT
1 stop14h 24mFrontier
Tue 5/2112:49 amONT - BUF
1 stop13h 57mFrontier
Deal found 2/28$141
Wed 4/249:43 pmBUF - ONT
1 stop29h 13mFrontier
Wed 5/17:26 amONT - BUF
1 stop10h 27mFrontier
Deal found 2/28$147
Wed 4/249:43 pmBUF - ONT
1 stop29h 13mFrontier
Tue 4/3012:59 amONT - BUF
1 stop16h 54mFrontier
Deal found 2/28$148
Sat 5/47:12 pmBUF - ONT
1 stop14h 19mFrontier
Sun 5/1212:59 amONT - BUF
1 stop14h 03mFrontier
Deal found 2/28$149
Fri 5/311:08 amBUF - ONT
1 stop15h 47mFrontier
Fri 5/1012:55 amONT - BUF
1 stop14h 17mFrontier
Deal found 2/28$158
Fri 5/1011:08 amBUF - ONT
1 stop15h 47mFrontier
Fri 5/178:27 pmONT - BUF
1 stop18h 19mFrontier
Deal found 2/28$167
Fri 5/1011:08 amBUF - ONT
1 stop15h 47mFrontier
Fri 5/178:27 pmONT - BUF
1 stop18h 19mFrontier
Deal found 2/28$168
Sat 4/207:12 pmBUF - ONT
1 stop7h 47mFrontier
Mon 4/227:26 amONT - BUF
1 stop7h 36mFrontier
Deal found 2/27$186

Cheap JetBlue flights from Buffalo to Ontario

Explore cheap flight options specifically provided by JetBlue for the route between Buffalo and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.
Some of the lowest-priced JetBlue flights we've found at this time heading from Buffalo to Ontario. Deals are refreshing constantly so come back soon for more options.
Sat 5/43:35 pmBUF - ONT
1 stop9h 34mJetBlue
Tue 5/711:30 pmONT - BUF
1 stop8h 14mJetBlue
Deal found 2/28$300
Thu 5/23:35 pmBUF - ONT
1 stop9h 34mJetBlue
Mon 5/611:30 pmONT - BUF
1 stop8h 14mJetBlue
Deal found 2/28$302
Sat 5/43:35 pmBUF - ONT
1 stop9h 34mJetBlue
Tue 5/711:30 pmONT - BUF
1 stop8h 14mJetBlue
Deal found 2/27$333
Tue 3/123:30 pmBUF - ONT
1 stop9h 23mJetBlue
Wed 3/2011:54 pmONT - BUF
1 stop9h 06mJetBlue
Deal found 2/27$404
Wed 5/293:36 pmBUF - ONT
1 stop9h 33mJetBlue
Wed 6/1211:30 pmONT - BUF
1 stop11h 51mJetBlue
Deal found 2/29$441
Thu 3/1412:46 pmBUF - ONT
1 stop12h 07mJetBlue
Mon 3/1811:54 pmONT - BUF
1 stop9h 06mJetBlue
Deal found 2/28$442
Thu 3/143:30 pmBUF - ONT
1 stop9h 23mJetBlue
Mon 3/1811:54 pmONT - BUF
1 stop9h 06mJetBlue
Deal found 2/29$479
Tue 5/143:35 pmBUF - ONT
1 stop9h 34mJetBlue
Sun 5/1911:30 pmONT - BUF
1 stop8h 14mJetBlue
Deal found 2/29$484
Wed 3/612:46 pmBUF - ONT
1 stop12h 07mJetBlue
Wed 3/1311:54 pmONT - BUF
1 stop9h 06mJetBlue
Deal found 2/28$599

Cheap Buffalo to Ontario flights in February & March 2024

Find cheap flight options from Buffalo to Ontario specifically for the months of February and March 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,314,962 searches. Prices were last updated on February 29, 2024.
The lowest fares we've come across on flights traveling from Buffalo to Ontario in February and March 2024. Check back regularly for other flight deals.
Tue 3/123:30 pmBUF - ONT
1 stop9h 23mJetBlue
Wed 3/2011:54 pmONT - BUF
1 stop9h 06mJetBlue
Deal found 2/27$404
Tue 3/512:46 pmBUF - ONT
1 stop12h 07mJetBlue
Tue 3/1211:53 pmONT - BUF
1 stop9h 07mJetBlue
Deal found 2/27$441
Thu 3/1412:46 pmBUF - ONT
1 stop12h 07mJetBlue
Mon 3/1811:54 pmONT - BUF
1 stop9h 06mJetBlue
Deal found 2/28$442
Thu 3/216:00 amBUF - ONT
1 stop10h 56mAmerican Airlines
Mon 3/257:36 pmONT - BUF
2 stops11h 16mAmerican Airlines
Deal found 2/28$463
Thu 3/213:30 pmBUF - ONT
1 stop9h 23mJetBlue
Mon 3/2511:54 pmONT - BUF
1 stop9h 06mJetBlue
Deal found 2/28$479
Tue 3/196:00 amBUF - ONT
1 stop8h 27mDelta
Thu 3/2112:38 pmONT - BUF
1 stop8h 11mDelta
Deal found 2/28$503
Fri 3/2212:46 pmBUF - ONT
1 stop12h 07mJetBlue
Mon 3/2511:54 pmONT - BUF
1 stop9h 06mJetBlue
Deal found 2/27$516
Fri 3/155:50 pmBUF - ONT
2 stops8h 56mDelta
Tue 3/1912:38 pmONT - BUF
2 stops17h 59mDelta
Deal found 2/28$540
Thu 3/215:45 amBUF - ONT
2 stops11h 11mAmerican Airlines
Mon 3/257:36 pmONT - BUF
2 stops11h 16mAmerican Airlines
Deal found 2/28$548

Buffalo to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Buffalo and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.
The lowest fares we've come across on flights traveling from Buffalo to Ontario in February and March 2024. Check back regularly for other flight deals.
Mon 5/67:02 pmBUF - ONT
1 stop7h 57mFrontier
Mon 5/137:26 amONT - BUF
1 stop7h 36mFrontier
Deal found 2/27$138
Mon 5/137:02 pmBUF - ONT
1 stop14h 24mFrontier
Tue 5/2112:49 amONT - BUF
1 stop13h 57mFrontier
Deal found 2/28$141
Wed 4/249:43 pmBUF - ONT
1 stop29h 13mFrontier
Wed 5/17:26 amONT - BUF
1 stop10h 27mFrontier
Deal found 2/28$147
Wed 4/249:43 pmBUF - ONT
1 stop29h 13mFrontier
Tue 4/3012:59 amONT - BUF
1 stop16h 54mFrontier
Deal found 2/28$148
Sat 5/47:12 pmBUF - ONT
1 stop14h 19mFrontier
Sun 5/1212:59 amONT - BUF
1 stop14h 03mFrontier
Deal found 2/28$149
Fri 5/311:08 amBUF - ONT
1 stop15h 47mFrontier
Fri 5/1012:55 amONT - BUF
1 stop14h 17mFrontier
Deal found 2/28$158
Fri 5/1011:08 amBUF - ONT
1 stop15h 47mFrontier
Fri 5/178:27 pmONT - BUF
1 stop18h 19mFrontier
Deal found 2/28$167
Fri 5/1011:08 amBUF - ONT
1 stop15h 47mFrontier
Fri 5/178:27 pmONT - BUF
1 stop18h 19mFrontier
Deal found 2/28$168
Sat 4/207:12 pmBUF - ONT
1 stop7h 47mFrontier
Mon 4/227:26 amONT - BUF
1 stop7h 36mFrontier
Deal found 2/27$186

Buffalo to Ontario flights leaving soon

Find last-minute flight options from Buffalo to Ontario 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 3,314,962 searches. Data last updated February 29, 2024.
Users seeking a last-minute flight from Buffalo to Ontario should consider booking one of these fares. Tip: verify your flight details before completing your reservation.
Tue 3/512:46 pmBUF - ONT
1 stop12h 07mJetBlue
Tue 3/1211:53 pmONT - BUF
1 stop9h 07mJetBlue
Deal found 2/27$441
Wed 3/612:46 pmBUF - ONT
1 stop12h 07mJetBlue
Wed 3/1311:54 pmONT - BUF
1 stop9h 06mJetBlue
Deal found 2/28$599
Sat 3/93:00 pmBUF - ONT
1 stop10h 11mDelta
Tue 3/197:00 amONT - BUF
1 stop8h 16mDelta
Deal found 2/28$664
Sat 3/91:30 pmBUF - ONT
2 stops11h 41mDelta
Tue 3/197:00 amONT - BUF
1 stop8h 16mDelta
Deal found 2/28$669
Sat 3/912:35 pmBUF - ONT
2 stops12h 26mUnited Airlines
Tue 3/195:15 amONT - BUF
2 stops12h 48mUnited Airlines
Deal found 2/28$670
Sat 3/93:42 pmBUF - ONT
1 stop9h 11mJetBlue
Mon 3/1111:54 pmONT - BUF
1 stop9h 06mJetBlue
Deal found 2/28$676
Sat 3/97:00 amBUF - ONT
2 stops8h 42mUnited Airlines
Tue 3/196:00 amONT - BUF
3 stops36h 03mUnited Airlines
Deal found 2/28$753
Sat 3/96:00 amBUF - ONT
1 stop10h 58mAmerican Airlines
Mon 3/1812:59 amONT - BUF
2 stops12h 06mAmerican Airlines
Deal found 2/28$766
Thu 3/712:46 pmBUF - ONT
1 stop11h 36mJetBlue
Sun 3/1011:54 pmONT - BUF
1 stop9h 06mJetBlue
Deal found 2/28$772

One-way flights to Ontario from Buffalo

Search for one-way flight options from Buffalo to Ontario. 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 3,314,962 searches. Data last updated February 29, 2024.
Users traveling one-way from Buffalo to Ontario can select one of these great deals. For those needing a return trip from Buffalo, there is a search form available above.
Sat 4/137:12 pmBUF - ONT
1 stop7h 47mFrontier
Deal found 2/29$69
Sat 5/47:12 pmBUF - ONT
1 stop7h 47mFrontier
Deal found 2/28$75
Sat 4/277:12 pmBUF - ONT
1 stop7h 47mFrontier
Deal found 2/29$84
Fri 5/1011:08 amBUF - ONT
1 stop15h 47mFrontier
Deal found 2/29$90
Wed 4/109:43 pmBUF - ONT
1 stop11h 43mFrontier
Deal found 2/28$94
Sat 5/256:46 pmBUF - ONT
1 stop7h 58mFrontier
Deal found 2/29$100
Mon 5/275:16 pmBUF - ONT
1 stop9h 23mFrontier
Deal found 2/28$145
Tue 6/253:25 pmBUF - ONT
1 stop9h 47mDelta
Deal found 2/28$148
Wed 6/126:46 pmBUF - ONT
1 stop7h 53mFrontier
Deal found 2/28$175

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 3,314,962 searches. Data last updated February 29, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$138 - $502

Route

Depart

Return

Price

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Mon 4/29

1 stop7h 57m

Ontario

Mon 5/6

1 stop7h 36m

$138

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Mon 5/13

1 stop14h 24m

Ontario

Tue 5/21

1 stop13h 57m

$141

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Wed 4/24

1 stop29h 13m

Ontario

Wed 5/1

1 stop10h 27m

$147

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Wed 4/24

1 stop29h 13m

Ontario

Tue 4/30

1 stop16h 54m

$148

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Sat 5/4

1 stop14h 19m

Ontario

Sun 5/12

1 stop14h 03m

$149

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Fri 5/3

1 stop15h 47m

Ontario

Fri 5/10

1 stop14h 17m

$158

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Sat 5/4

1 stop9h 34m

Ontario

Tue 5/7

1 stop8h 14m

$300

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Wed 4/24

1 stop10h 18m

Ontario

Wed 5/1

2 stops10h 02m

$373

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Sat 5/4

2 stops19h 04m

Ontario

Tue 5/7

2 stops12h 01m

$502

Flights are sorted by cheapest first

Deals found on 2/29

When is the best time to book a flight from Buffalo to Ontario?

Use this chart to determine the optimal time to book a round-trip flight from Buffalo to Ontario. Price data was last updated on January 28, 2024.
The best time to book flights from Buffalo to Ontario is 12 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

When is the cheapest time to fly from Buffalo to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Buffalo to Ontario. Price data was last updated on February 25, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Buffalo to Ontario flight should consider departing on Friday afternoons 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.
Search Deals

Average price of flights to Ontario by month

Plan your trip from Buffalo to Ontario by taking into account the cheapest months to travel. The average price of a one-way flight from Buffalo to Ontario is currently $109 while a round-trip flight costs $228. Price data was last updated on February 25, 2024.

Currently, October is the cheapest month in which you can book a flight from Buffalo to Ontario (average of $237). Flying from Buffalo to Ontario in June is currently the most expensive (average of $357). 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.

January

$271

February

$282

March

$289

April

$308

May

$289

June

$357

July

$332

August

$288

September

$258

October

$237

November

$268

December

$271

Temperature and rainfall in Ontario by month

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

LAX

Temperature

57.2 - 73.4 °F

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 February 29, 2024.
Get a feel of what it's like to fly with Frontier, JetBlue and American Airlines from Buffalo to Ontario by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,264 reviews

Entertainment

7.4

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.4

Reviews

1 / 10

Excellent price of flight. Prompt takeoff, early arrival. Was kept informed of progress of flight during travel. Courteous, friendly staff.

8.1
Very good
9,264 reviews
8.1
Very good
9,264 reviews

Entertainment

7.4

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.4

Reviews

1 / 10

Excellent price of flight. Prompt takeoff, early arrival. Was kept informed of progress of flight during travel. Courteous, friendly staff.

8.1
Very good
11,818 reviews
8.1
Very good
9,264 reviews

Entertainment

7.4

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.4

Reviews

1 / 10

Excellent price of flight. Prompt takeoff, early arrival. Was kept informed of progress of flight during travel. Courteous, friendly staff.

7.7
Good
5,180 reviews
8.1
Very good
9,264 reviews

Entertainment

7.4

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.4

Reviews

1 / 10

Excellent price of flight. Prompt takeoff, early arrival. Was kept informed of progress of flight during travel. Courteous, friendly staff.

7.4
Good
11,794 reviews
8.1
Very good
9,264 reviews

Entertainment

7.4

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.4

Reviews

1 / 10

Excellent price of flight. Prompt takeoff, early arrival. Was kept informed of progress of flight during travel. Courteous, friendly staff.

7.3
Good
15,571 reviews
8.1
Very good
9,264 reviews

Entertainment

7.4

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.4

Reviews

1 / 10

Excellent price of flight. Prompt takeoff, early arrival. Was kept informed of progress of flight during travel. Courteous, friendly staff.

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.

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

Yes, there are multiple flights from Buffalo to Ontario for under $200. The cheapest flight booked recently is on Frontier for just $138, but on average you can expect to pay $206.

Are there last-minute flights available from Buffalo to Ontario for under $500?

There are currently 20+ open flights from Buffalo to Ontario within the next 7 days for less than $500.

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

According to our current data, Frontier ($138), JetBlue ($300), and American Airlines ($373) offers the cheapest pricing from Buffalo to Ontario. You may be able to fly from Buffalo to Ontario for 68% less than the average price by searching for these airlines.

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

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $69. However, be on the lookout for offers from Delta and JetBlue, as they are both options that can get you from Buffalo to Ontario for a low price.

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

What does BUF to ONT mean?

Great question - BUF to ONT just means Buffalo Airport to Ontario Airport. Now you’ll know what these unique codes when you look for flights!

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Buffalo to Ontario
See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Buffalo to Ontario

Discover the top 4 airlines 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 3,314,962 searches. Data last updated February 29, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$166Average$309FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapest$272Average$428FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
JetBlueCheapest$312Average$394FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
DeltaCheapest$318Average$586FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Search flights from Buffalo to Ontario by cabin class

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

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?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ontario from Buffalo today with Cheapflights!

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?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Buffalo to Ontario flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Buffalo to Ontario become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ontario from Buffalo today and book when prices fit your budget.

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