When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 24 days in advance, which can save you up to 84% on flights from Ontario to USA compared to booking the week you need them. Waiting 24 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $413. For sooner than that we have options available in the next 3 days from $577.
January can be a great time to fly to USA from Ontario with a flight ticket averaging about $360. Cheapflights users have found deals in the month of January for as cheap as $151. The most expensive prices can be found in the month of June.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to USA as you normally would.
Fly from
Fly to
Budget
$39 - $137
Route
Depart
Return
Price
OntarioSan Francisco
ONT - SFO
ONTSFO
Ontario
Tue 9/17
Nonstop1h 35m
San Francisco
Sat 9/28
Nonstop1h 28m
OntarioLas Vegas Harry Reid Intl
ONT - LAS
ONTLAS
Ontario
Sat 8/10
Nonstop1h 17m
Las Vegas Harry Reid Intl
Tue 8/13
Nonstop1h 08m
OntarioSan Francisco
ONT - SFO
ONTSFO
Ontario
Tue 9/17
Nonstop1h 35m
San Francisco
Wed 9/25
Nonstop1h 28m
OntarioLas Vegas Harry Reid Intl
ONT - LAS
ONTLAS
Ontario
Wed 8/14
Nonstop1h 11m
Las Vegas Harry Reid Intl
Wed 8/14
Nonstop1h 08m
OntarioSan Francisco
ONT - SFO
ONTSFO
Ontario
Wed 9/18
Nonstop1h 24m
San Francisco
Tue 9/24
Nonstop1h 29m
OntarioLas Vegas Harry Reid Intl
ONT - LAS
ONTLAS
Ontario
Wed 8/28
Nonstop1h 11m
Las Vegas Harry Reid Intl
Wed 8/28
Nonstop1h 08m
OntarioSan Francisco
ONT - SFO
ONTSFO
Ontario
Tue 9/17
Nonstop1h 35m
San Francisco
Fri 9/27
Nonstop1h 28m
OntarioLas Vegas Harry Reid Intl
ONT - LAS
ONTLAS
Ontario
Tue 9/17
Nonstop1h 22m
Las Vegas Harry Reid Intl
Fri 9/20
Nonstop1h 11m
OntarioSeattle/Tacoma Intl
ONT - SEA
ONTSEA
Ontario
Sat 9/7
Nonstop2h 45m
Seattle/Tacoma Intl
Tue 9/10
Nonstop2h 35m
No data available for this route at this time. Please check back soon.
Entertainment
Overall
Food
Comfort
Boarding
Crew
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Entertainment
Overall
Food
Comfort
Boarding
Crew
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Entertainment
Overall
Food
Comfort
Boarding
Crew
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Entertainment
Overall
Food
Comfort
Boarding
Crew
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Entertainment
Overall
Food
Comfort
Boarding
Crew
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Entertainment
Overall
Food
Comfort
Boarding
Crew
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$34 | Average$175 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$35 | Average$313 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$36 | Average$175 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$38 | Average$188 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$39 | Average$266 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$52 | Average$339 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$69 | Average$138 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$89 | Average$411 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$158 | Average$387 | FlexibilityNo cancel fee | On-time71% |
1%of flight departures | Early morningMidnight to 6 am |
---|---|
47%of flight departures | Morning6 am to noon |
25%of flight departures | AfternoonNoon to 6 pm |
27%of flight departures | Evening6 pm to midnight |