$147+ Cheap flights from Ontario to Buffalo (ONT - BUF)
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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BUF
May 18 — May 251
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Buffalo with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Buffalo
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ontario to BuffaloExplore the most affordable flight options available from Ontario to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 18, 2026.
Explore the most affordable flight options available from Ontario to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 18, 2026.
This Southwest deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/311:55 pm
ONT
- BUF
1 stop7h 30m
Southwest
Tue 6/96:00 am
BUF
- ONT
1 stop9h 05m
Southwest
Deal found 4/15![Southwest logo]()
$367
This American Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:10 am
ONT
- BUF
2 stops13h 26m
American Airlines
Tue 6/97:00 am
BUF
- ONT
1 stop9h 28m
American Airlines
Deal found 4/14![American Airlines logo]()
$370
This American Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:12 pm
ONT
- BUF
2 stops12h 07m
American Airlines
Tue 6/912:51 pm
BUF
- ONT
2 stops12h 06m
American Airlines
Deal found 4/14![American Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/39:55 pm
ONT
- BUF
1 stop7h 15m
Southwest
Sat 6/62:30 pm
BUF
- ONT
1 stop7h 45m
Southwest
Deal found 4/13![Southwest logo]()
$383
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1611:50 am
ONT
- BUF
1 stop9h 09m
Delta
Tue 6/236:00 am
BUF
- ONT
1 stop7h 40m
Delta
Deal found 4/15![Delta logo]()
$392
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1910:00 pm
ONT
- BUF
1 stop10h 13m
Delta
Wed 6/39:00 am
BUF
- ONT
2 stops10h 17m
Delta
Deal found 4/16![Delta logo]()
$397
This American Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:00 am
ONT
- BUF
2 stops12h 36m
American Airlines
Sat 6/64:46 pm
BUF
- ONT
1 stop10h 13m
American Airlines
Deal found 4/13![American Airlines logo]()
$406
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2410:00 pm
ONT
- BUF
1 stop10h 13m
Delta
Sat 5/306:15 am
BUF
- ONT
1 stop7h 42m
Delta
Deal found 4/13![Delta logo]()
$410
Best flights from Ontario to BuffaloDiscover carefully curated flight deals from Ontario to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 18, 2026.
Discover carefully curated flight deals from Ontario to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 18, 2026.
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:30 pm
ONT
- BUF
2 stops12h 21m
United Airlines
Tue 6/95:52 pm
BUF
- ONT
1 stop7h 54m
United Airlines
Deal found 4/14![United Airlines logo]()
$372
This Southwest deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/39:55 pm
ONT
- BUF
1 stop7h 15m
Southwest
Sat 6/62:30 pm
BUF
- ONT
1 stop7h 45m
Southwest
Deal found 4/13![Southwest logo]()
$383
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2410:00 pm
ONT
- BUF
1 stop10h 13m
Delta
Sat 5/306:15 am
BUF
- ONT
1 stop7h 42m
Delta
Deal found 4/13![Delta logo]()
$410
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:00 am
ONT
- BUF
1 stop6h 54m
United Airlines
Tue 5/125:50 pm
BUF
- ONT
1 stop7h 45m
United Airlines
Deal found 4/14![United Airlines logo]()
$447
This Southwest deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/89:55 pm
ONT
- BUF
1 stop7h 10m
Southwest
Tue 5/123:10 pm
BUF
- ONT
2 stops9h 40m
Southwest
Deal found 4/14![Southwest logo]()
$457
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1511:48 am
ONT
- BUF
1 stop9h 11m
Delta
Wed 7/225:12 pm
BUF
- ONT
1 stop7h 32m
Delta
Deal found 4/15![Delta logo]()
$516
This Southwest deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:55 pm
ONT
- BUF
2 stops9h 35m
Southwest
Mon 9/2111:45 am
BUF
- ONT
1 stop7h 25m
Southwest
Deal found 4/18![Southwest logo]()
$482
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/51:40 pm
ONT
- BUF
1 stop6h 25m
United Airlines
Thu 5/75:55 pm
BUF
- ONT
1 stop7h 40m
United Airlines
Deal found 4/14![United Airlines logo]()
$493
This Southwest deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1612:40 pm
ONT
- BUF
2 stops8h 30m
Southwest
Mon 7/205:55 pm
BUF
- ONT
1 stop7h 30m
Southwest
Deal found 4/13![Southwest logo]()
$499
This United Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/91:18 pm
ONT
- BUF
1 stop6h 40m
United Airlines
Tue 6/235:52 pm
BUF
- ONT
1 stop7h 54m
United Airlines
Deal found 4/18![United Airlines logo]()
$527
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:00 am
ONT
- BUF
1 stop6h 54m
United Airlines
Wed 5/135:50 pm
BUF
- ONT
1 stop7h 45m
United Airlines
Deal found 4/15![United Airlines logo]()
$557
Last-minute flights from Ontario to BuffaloDiscover last-minute flight deals from Ontario to Buffalo. Data last updated April 18, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Buffalo. Data last updated April 18, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:00 am
ONT
- BUF
1 stop6h 54m
United Airlines
Tue 5/125:50 pm
BUF
- ONT
1 stop7h 45m
United Airlines
Deal found 4/14![United Airlines logo]()
$447
This Southwest deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/89:55 pm
ONT
- BUF
1 stop7h 10m
Southwest
Tue 5/123:10 pm
BUF
- ONT
2 stops9h 40m
Southwest
Deal found 4/14![Southwest logo]()
$457
This American Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:35 pm
ONT
- BUF
2 stops12h 16m
American Airlines
Tue 5/195:00 am
BUF
- ONT
2 stops9h 34m
American Airlines
Deal found 4/16![American Airlines logo]()
$413
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1910:00 pm
ONT
- BUF
1 stop10h 13m
Delta
Wed 6/36:15 am
BUF
- ONT
1 stop7h 42m
Delta
Deal found 4/16![Delta logo]()
$367
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2410:00 pm
ONT
- BUF
1 stop10h 13m
Delta
Sat 5/306:15 am
BUF
- ONT
1 stop7h 42m
Delta
Deal found 4/13![Delta logo]()
$410
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2610:00 pm
ONT
- BUF
1 stop10h 13m
Delta
Sun 5/316:15 am
BUF
- ONT
1 stop7h 42m
Delta
Deal found 4/13![Delta logo]()
$452
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:50 pm
ONT
- BUF
2 stops12h 54m
Delta
Sat 5/306:15 am
BUF
- ONT
1 stop7h 42m
Delta
Deal found 4/15![Delta logo]()
$428
One-way flights from Ontario to BuffaloSearch for one-way flight options from Ontario to Buffalo. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
Search for one-way flight options from Ontario to Buffalo. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
This Trip.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:00 am
ONT
- BUF
2 stops28h 54m
Frontier
Deal found 4/17![Frontier logo]()
$147
This Trip.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:59 am
ONT
- BUF
2 stops32h 13m
Frontier
Deal found 4/13![Frontier logo]()
$153
This Trip.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/78:30 am
ONT
- BUF
2 stops26h 24m
Frontier
Deal found 4/14![Frontier logo]()
$157
This Trip.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/34:39 pm
ONT
- BUF
2 stops15h 02m
Frontier
Deal found 4/14![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:06 pm
ONT
- BUF
2 stops36h 22m
Frontier
Deal found 4/17![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/58:06 pm
ONT
- BUF
2 stops35h 35m
Frontier
Deal found 4/17![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/115:43 pm
ONT
- BUF
2 stops38h 51m
Frontier
Deal found 4/17![Frontier logo]()
$177
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/910:00 pm
ONT
- BUF
1 stop10h 13m
Delta
Deal found 4/13![Delta logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/305:43 pm
ONT
- BUF
2 stops38h 51m
Frontier
Deal found 4/16![Frontier logo]()
$190
This Trip.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/185:43 pm
ONT
- BUF
2 stops17h 12m
Frontier
Deal found 4/15![Frontier logo]()
$191
This Trip.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/212:59 am
ONT
- BUF
2 stops15h 14m
Frontier
Deal found 4/16![Frontier logo]()
$194
Find 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 April 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $367 (Southwest) |
One-way from | $147 (Trip.com) |
Popular in | July |
Cheapest in | September |
Average price | $406 |
Cheapflights Fare Finder
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 2,558,603 searches. Data last updated April 18, 2026.
Use the filters below to find and compare flights from Ontario to Buffalo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioBuffalo
ONT - BUF
ONTBUF
Ontario
Wed 6/3
6:30 pm-9:51 am
2 stops12h 21m
Buffalo
Tue 6/9
5:52 pm-10:46 pm
1 stop7h 54m
$372
OntarioBuffalo
ONT - BUF
ONTBUF
Ontario
Wed 6/3
9:55 pm-8:10 am
1 stop7h 15m
Buffalo
Sat 6/6
2:30 pm-7:15 pm
1 stop7h 45m
$383
OntarioBuffalo
ONT - BUF
ONTBUF
Ontario
Sun 5/24
10:00 pm-11:13 am
1 stop10h 13m
Buffalo
Sat 5/30
6:15 am-10:57 am
1 stop7h 42m
$410
OntarioBuffalo
ONT - BUF
ONTBUF
Ontario
Fri 5/8
7:00 am-4:54 pm
1 stop6h 54m
Buffalo
Tue 5/12
5:50 pm-10:35 pm
1 stop7h 45m
$447
OntarioBuffalo
ONT - BUF
ONTBUF
Ontario
Fri 5/8
9:55 pm-8:05 am
1 stop7h 10m
Buffalo
Tue 5/12
3:10 pm-9:50 pm
2 stops9h 40m
$457
OntarioBuffalo
ONT - BUF
ONTBUF
Ontario
Mon 9/14
11:55 pm-12:30 pm
2 stops9h 35m
Buffalo
Mon 9/21
11:45 am-4:10 pm
1 stop7h 25m
$482
Quickest round-trip
OntarioBuffalo
ONT - BUF
ONTBUF
Ontario
Tue 5/5
1:40 pm-11:05 pm
1 stop6h 25m
Buffalo
Thu 5/7
5:55 pm-10:35 pm
1 stop7h 40m
$493
OntarioBuffalo
ONT - BUF
ONTBUF
Ontario
Thu 7/16
12:40 pm-12:10 am
2 stops8h 30m
Buffalo
Mon 7/20
5:55 pm-10:25 pm
1 stop7h 30m
$499
OntarioBuffalo
ONT - BUF
ONTBUF
Ontario
Wed 7/15
11:48 am-11:59 pm
1 stop9h 11m
Buffalo
Wed 7/22
5:12 pm-9:44 pm
1 stop7h 32m
$516
OntarioBuffalo
ONT - BUF
ONTBUF
Ontario
Tue 6/9
1:18 pm-10:58 pm
1 stop6h 40m
Buffalo
Tue 6/23
5:52 pm-10:46 pm
1 stop7h 54m
$527
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Ontario to Buffalo
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Buffalo in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Buffalo flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Buffalo flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Buffalo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
ONT-BUF
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 Ontario to Buffalo
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 April 18, 2026.
Read reviews from past customers who have flown Southwest,United Airlines, andAmerican Airlines from Ontario to Buffalo. 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.
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
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.
Traveling to a place near Buffalo?
Book flights to Buffalo if you plan to visit one of these locationsLockport
Cheektowaga
Batavia
Williamsville
Orchard Park
Eden
Amherst
West Seneca
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Explore flights to Buffalo departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 18, 2026.
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Find flights from Ontario to Buffalo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Buffalo flights
Browse other Ontario and Buffalo flight options. Last updated on April 18, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on April 18, 2026.
Popular flight searches
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Top 2 airlines flying from Ontario to Buffalo
Discover the top 2 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 2,558,603 searches. Data last updated April 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$286 | Average$436 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$297 | Average$434 | FlexibilityNo cancel fee | On-time69% |