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 $111
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 9 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
1 non-stop flight per day
at least 5h 15min
from $354
San Jose (SJC) Ontario (ONT)
1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
3–6 non-stop flights per day
at least 1h 15min
from $190
Sacramento (SMF) Ontario (ONT)
1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
3–7 non-stop flights per day
at least 1h 20min
from $215