Cheap Delta flights Ontario (ONT) to Buffalo (BUF)

${flightsLowestPriceOW} Cheap Delta flights ${flightsOriginNameOW} (${flightsOriginCodeOW}) to ${flightsDestinationNameOW} (${flightsDestinationCodeOW})

Prices were available within the past 7 days and start at ${flightsLowestPriceOW} for one-way flights and $497 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Delta
Wed, Jun 11 - Fri, Jun 20
ONT
Ontario
BUF
Buffalo
$497
Roundtrip
Found 3 days ago
Select Delta flight, departing Wed, Jun 11 from Ontario to Buffalo, returning Fri, Jun 20, priced at $497 Found 3 days ago
Delta
Wed, Jun 11 - Sat, Jun 14
ONT
Ontario
BUF
Buffalo
$517
Roundtrip
Found 3 days ago
Select Delta flight, departing Wed, Jun 11 from Ontario to Buffalo, returning Sat, Jun 14, priced at $517 Found 3 days ago
Delta
Wed, Jun 11 - Wed, Jun 18
ONT
Ontario
BUF
Buffalo
$528
Roundtrip
Found 3 days ago
Select Delta flight, departing Wed, Jun 11 from Ontario to Buffalo, returning Wed, Jun 18, priced at $528 Found 3 days ago
Delta
Wed, Jun 11 - Thu, Jun 12
ONT
Ontario
BUF
Buffalo
$538
Roundtrip
Found 3 days ago
Select Delta flight, departing Wed, Jun 11 from Ontario to Buffalo, returning Thu, Jun 12, priced at $538 Found 3 days ago
Delta
Sat, Jun 14 - Wed, Jun 18
ONT
Ontario
BUF
Buffalo
$549
Roundtrip
Found 3 days ago
Select Delta flight, departing Sat, Jun 14 from Ontario to Buffalo, returning Wed, Jun 18, priced at $549 Found 3 days ago
Delta
Tue, Jun 10 - Wed, Jun 18
ONT
Ontario
BUF
Buffalo
$629
Roundtrip
Found 3 days ago
Select Delta flight, departing Tue, Jun 10 from Ontario to Buffalo, returning Wed, Jun 18, priced at $629 Found 3 days ago
Flights from Ontario (ONT) to Buffalo (BUF)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Buffalo Niagara Intl.
Distance
3467 km