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 12 Non-stop flights per day
at least 1h 19min
from $141
Ontario (ONT) Miami (MIA)
1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
only flights with stopover
at least 7h 17min
from $262
Ontario (ONT) Las Vegas (LAS)
1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
up to 7 Non-stop flights per day
at least 1h
from $103
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 $171
Ontario (ONT) Dallas (DFW)
1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
1–8 Non-stop flights per day
at least 2h 1min
from $181
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 9min
from $236
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 7h 17min
from $353