Our cheapest offers for flights from United States a Ontario

Here you can compare cheap flights from United States to Ontario (ONT) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Ontario. Prices and availability may change at any time.

San Francisco (SFO) Ontario (ONT)
1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
up to 11 Non-stop flights per day
at least 1h 20min
from $124
Seattle-Tacoma (SEA) Ontario (ONT)
1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
1–10 Non-stop flights per day
at least 2h 31min
from $168
Dallas (DFW) Ontario (ONT)
1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
up to 8 Non-stop flights per day
at least 2h 51min
from $170
Baltimore (BWI) Ontario (ONT)
1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
only flights with stopover
at least 7h 49min
from $398
San Jose (SJC) Ontario (ONT)
1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
only flights with stopover
at least 5h 38min
from $308
Sacramento (SMF) Ontario (ONT)
1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
only flights with stopover
at least 3h 1min
from $266