Find Cheap Flights from Ontario to United States

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Book cheap flights from Ontario to United States (round-trip)

Airports
Origin
Ontario
$87
only
$87
Destination
Portland
$137
only
$137
Seattle
$150
only
$150
Denver
$87
only
$87
Dallas
$118
only
$118
Las Vegas
$112
only
$112
Tue, Mar 13
ONT
DEN
2h 20m
Mon, Mar 19
DEN
ONT
2h 23m
Trip: 7 days
Overall null null
Based on null reviews
Thu, Mar 8
ONT
DEN
2h 20m
Sun, Mar 11
DEN
ONT
2h 20m
Trip: 4 days
Overall null null
Based on null reviews
Sat, Apr 14
ONT
LAS
5h 06m
Tue, Apr 17
LAS
ONT
5h 27m
Trip: 4 days
Overall null null
Based on null reviews
Wed, Apr 18
ONT
PDX
2h 19m
Sat, Apr 21
PDX
ONT
2h 15m
Trip: 4 days
Overall null null
Based on null reviews
Tue, Jun 5
ONT
SEA
5h 03m
Wed, Jun 6
SEA
ONT
5h 35m
Trip: 2 days
Overall null null
Based on null reviews
Mon, Mar 12
ONT
SEA
4h 38m
Wed, Mar 14
SEA
ONT
5h 44m
Trip: 3 days
Overall null null
Based on null reviews
Tue, Apr 3
ONT
DEN
2h 20m
Wed, Apr 4
DEN
ONT
2h 20m
Trip: 2 days
Overall null null
Based on null reviews
Tue, May 8
ONT
DEN
2h 18m
Tue, May 15
DEN
ONT
2h 22m
Trip: 8 days
Overall null null
Based on null reviews
Tue, May 15
ONT
DEN
2h 18m
Tue, May 22
DEN
ONT
2h 22m
Trip: 8 days
Overall null null
Based on null reviews
Sat, Apr 28
ONT
LAS
5h 06m
Tue, May 1
LAS
ONT
5h 27m
Trip: 4 days
Overall null null
Based on null reviews
Sat, Feb 24
ONT
DFW
5h 23m
Tue, Feb 27
DFW
ONT
3h 21m
Trip: 4 days
Overall null null
Based on null reviews
Mon, May 7
ONT
DEN
2h 18m
Wed, May 9
DEN
ONT
2h 22m
Trip: 3 days
Overall null null
Based on null reviews
Wed, Apr 25
ONT
PDX
2h 19m
Sat, Apr 28
PDX
ONT
2h 15m
Trip: 4 days
Overall null null
Based on null reviews
Wed, Mar 7
ONT
DFW
2h 55m
Wed, Mar 14
DFW
ONT
5h 36m
Trip: 7 days
Overall null null
Based on null reviews
Mon, Jul 2
ONT
SEA
5h 16m
Tue, Jul 3
SEA
ONT
6h 20m
Trip: 2 days
Overall null null
Based on null reviews
Thu, Apr 12
ONT
PDX
2h 19m
Tue, Apr 17
PDX
ONT
2h 15m
Trip: 6 days
Overall null null
Based on null reviews
Tue, Mar 27
ONT
DEN
2h 20m
Tue, Apr 3
DEN
ONT
2h 23m
Trip: 8 days
Overall null null
Based on null reviews
Tue, Jul 3
ONT
SEA
4h 33m
Tue, Jul 10
SEA
ONT
6h 20m
Trip: 8 days
Overall null null
Based on null reviews
Sat, Apr 28
ONT
DFW
5h 17m
Tue, May 1
DFW
ONT
5h 37m
Trip: 4 days
Overall null null
Based on null reviews
Wed, Jul 4
ONT
SEA
4h 33m
Tue, Jul 17
SEA
ONT
5h 27m
Trip: 14 days
Overall null null
Based on null reviews

Ontario to United States Flight Information

Flights Arrive in United States
Flights Depart from Ontario
Flight Price $87
Airlines Frontier, American Airlines, Alaska Airlines, United, Delta
*
Prices are per person and are for e–tickets and include all taxes & fees in USD.

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