Cheap flights from Ontario

Find, compare and book domestic and international flights departing from Ontario

Round-trip
1 adult
Economy
From?
To?
Sat 10/23
Sat 10/30

Popular flight destinations from Ontario

Most frequently searched flights from Ontario, along with the cheapest price and shortest flight duration
Ontario to Las Vegas Flights
Fastest flight time1h 01m
Cheapest price$34
Ontario to Denver Flights
Fastest flight time2h 11m
Cheapest price$44
Ontario to Dallas Flights
Fastest flight time2h 53m
Cheapest price$62
Ontario to San Francisco Flights
Fastest flight time1h 18m
Cheapest price$85
Ontario to Salt Lake City Flights
Fastest flight time1h 44m
Cheapest price$97
Ontario to Atlanta Flights
Fastest flight time3h 48m
Cheapest price$102
Ontario to Austin Flights
Fastest flight time4h 50m
Cheapest price$111
Ontario to Seattle Flights
Fastest flight time2h 39m
Cheapest price$117
Ontario to Washington Flights
Fastest flight time6h 19m
Cheapest price$118
Ontario to Orlando Flights
Fastest flight time4h 37m
Cheapest price$118
Ontario to Miami Flights
Fastest flight time6h 42m
Cheapest price$118
Ontario to Philadelphia Flights
Fastest flight time6h 36m
Cheapest price$123
Ontario to Fort Lauderdale Flights
Fastest flight time7h 50m
Cheapest price$123
Ontario to Chicago Flights
Fastest flight time3h 45m
Cheapest price$123
Ontario to New Orleans Flights
Fastest flight time5h 30m
Cheapest price$123
Ontario to Oakland, California Flights
Fastest flight time4h 00m
Cheapest price$129
Ontario to Portland Flights
Fastest flight time2h 20m
Cheapest price$129
Ontario to Raleigh Flights
Fastest flight time6h 19m
Cheapest price$133
Ontario to New York Flights
Fastest flight time7h 03m
Cheapest price$133
Ontario to Nashville Flights
Fastest flight time5h 28m
Cheapest price$163

Frequently asked questions regarding flights from Ontario

  • Which airlines are currently offering the cheapest flights from Ontario?

    Our data suggests that currently, the cheapest flights from Ontario are being offered by American Airlines, Major Airline, and Alaska Airlines. For example, American Airlines flights from Ontario to Chicago, start at $28, Major Airline flights from Ontario to Austin cost around $43, and Alaska Airlines flights from Ontario to Missoula are around $99.

  • What is the cheapest flight available from Ontario?

    Currently, the cheapest flight from Ontario found by our users is for $27 to San Jose. Prices will vary according to several factors such as the departure date and time, but on average you can expect to pay around $330 to travel from Ontario to San Jose.

  • Which destinations have the most frequent flights from Ontario?

    Dallas/Fort Worth Airport, Seattle and San Francisco are currently the destinations served most frequently from Ontario, with 13, 12 and 10 flights per day on average, respectively.

  • Which airlines can you fly with from Ontario?

    Airlines including American Airlines, United Airlines and Major Airline frequently fly from Ontario. You can view other airlines by performing a quick search in the form above.

  • What is the cheapest first class flight from Ontario?

    If you are looking for a cheap first class flight, consider flights to Seattle, for which the starting price of a first class seat can be as low as $260.


Cheap one-way flights from Ontario

One-way flight deals momondo users have recently found from Ontario
Frontier
Oct 24
ONT3:41 pmOntario
1h 05m
LAS4:46 pmLas Vegas McCarran
Frontier
Oct 28
ONT4:56 pmOntario
2h 18m
DEN7:14 pmDenver Intl
Frontier
Dec 14
ONT5:30 amOntario
2h 52m
DFW8:22 amDallas/Fort Worth

Last-minute flight deals from Ontario

Check out these last minute deals our users found for flights departing from Ontario
Frontier
Oct 26
ONT6:05 pmOntario
1h 05m
LAS7:10 pmLas Vegas McCarran
Oct 28
LAS4:17 pmLas Vegas McCarran
1h 03m
ONT5:20 pmOntario
Frontier
Oct 28
ONT4:56 pmOntario
2h 18m
DEN7:14 pmDenver Intl
Nov 2
DEN5:55 amDenver Intl
2h 28m
ONT8:23 amOntario
Frontier
Oct 27
ONT8:41 amOntario
3h 02m
DFW11:43 amDallas/Fort Worth
Oct 30
DFW6:37 amDallas/Fort Worth
3h 16m
ONT9:53 amOntario

Cheapest domestic flights from Ontario

Looking to fly domestically? Here are domestic flights momondo users found from Ontario
Frontier
Nov 2
ONT6:05 pmOntario
1h 05m
LAS7:10 pmLas Vegas McCarran
Nov 6
LAS9:45 amLas Vegas McCarran
1h 03m
ONT10:48 amOntario
Frontier
Nov 3
ONT8:25 amOntario
2h 21m
DEN10:46 amDenver Intl
Nov 6
DEN1:20 pmDenver Intl
2h 28m
ONT3:48 pmOntario
Frontier
Oct 30
ONT8:41 amOntario
3h 02m
DFW11:43 amDallas/Fort Worth
Nov 1
DFW6:37 amDallas/Fort Worth
3h 16m
ONT9:53 amOntario