Our cheapest offers for flights from Ontario to United States

Here you can compare cheap flights from Ontario (ONT) to United States 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 United States. Prices and availability may change at any time.

Ontario (ONT) San Francisco (SFO)
1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
up to 9 non-stop flights per day
at least 1h 26min
from $109
Ontario (ONT) Miami (MIA)
1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
only flights with stopover
at least 6h 42min
from $360
Ontario (ONT) Las Vegas (LAS)
1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
2–7 non-stop flights per day
at least 1h
from $69
Ontario (ONT) Phoenix - Sky Harbor (PHX)
1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
3–10 non-stop flights per day
at least 10min
from $175
Ontario (ONT) Dallas (DFW)
1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
1–9 non-stop flights per day
at least 2h 1min
from $159
Ontario (ONT) Atlanta (ATL)
1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
up to 3 non-stop flights per day
at least 3h 17min
from $282
Ontario (ONT) New York (LGA)
1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
only flights with stopover
at least 6h 51min
from $235