Popular in | December |
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Cheapest in | September |
Round-trip from | $238 |
One-way from | $49 |
Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Ontario. Check prices with Cheapflights to find a great deal for your trip.
Users have found that booking a flight from Seattle to Ontario at least 31 days early can save you up to 83% on average compared to booking a flight this week. If booking 31 days before your flight isn’t an option for you, users have found flights from Seattle to Ontario for as little as $276 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $386 for flights departing within the next 3 days.
Flights from Seattle to Ontario lean towards being more expensive in March. Prices are generally better when you fly from Seattle to Ontario in September, with the cheapest ticket starting at $69.
A simple way to save on the total cost of your ticket is to fly from Seattle to Ontario at noon. If you’re flexible enough to do this you can expect to save up to 39% on your trip compared to booking a flight in the afternoon.
One of the most popular airlines traveling from Seattle to Ontario is Frontier. Flights from Frontier traveling this route typically cost $226.01 RT. This price is typically 43% cheaper than other airlines that offer Seattle to Ontario flights. When booking this route, the cheapest RT price found was $78. Seattle/Tacoma Intl Airport is the most common Seattle airport to take off from when flying to Ontario. Ontario Airport is the most popular arrival airport in Ontario. When flying from Seattle to Ontario, Frontier flights are 11% more popular than any other airline flying that same route.
Alaska Airlines is one of the most popular airlines used for those traveling from Seattle to Ontario. Flights on this route from Alaska Airlines typically cost $228.38 RT, a price that is 82% cheaper than the average Seattle to Ontario flight. The cheapest flight found was $84 RT. Seattle/Tacoma Intl Airport is the most common Seattle airport to take off from when flying to Ontario. Ontario Airport is the most popular arrival airport in Ontario. When flying from Seattle to Ontario, Alaska Airlines flights are 11% more popular than any other airline flying that same route.
Fly from
Fly to
Budget
$98 - $186
Route
Depart
Return
Price
Seattle/Tacoma IntlOntario
SEA - ONT
SEAONT
Seattle/Tacoma Intl
Sat 6/15
Nonstop2h 44m
Ontario
Tue 6/18
Nonstop2h 53m
Seattle/Tacoma IntlOntario
SEA - ONT
SEAONT
Seattle/Tacoma Intl
Tue 6/11
Nonstop2h 44m
Ontario
Wed 6/12
Nonstop2h 53m
Seattle/Tacoma IntlOntario
SEA - ONT
SEAONT
Seattle/Tacoma Intl
Tue 7/2
Nonstop2h 44m
Ontario
Wed 7/10
Nonstop2h 36m
Seattle/Tacoma IntlOntario
SEA - ONT
SEAONT
Seattle/Tacoma Intl
Wed 6/26
Nonstop2h 44m
Ontario
Sat 6/29
Nonstop2h 53m
Seattle/Tacoma IntlOntario
SEA - ONT
SEAONT
Seattle/Tacoma Intl
Tue 7/16
Nonstop2h 47m
Ontario
Wed 7/17
Nonstop2h 36m
Seattle/Tacoma IntlOntario
SEA - ONT
SEAONT
Seattle/Tacoma Intl
Tue 8/27
Nonstop2h 37m
Ontario
Mon 9/2
Nonstop2h 47m
Seattle/Tacoma IntlOntario
SEA - ONT
SEAONT
Seattle/Tacoma Intl
Tue 7/2
Nonstop2h 35m
Ontario
Fri 7/5
Nonstop2h 36m
Seattle/Tacoma IntlOntario
SEA - ONT
SEAONT
Seattle/Tacoma Intl
Tue 8/6
1 stop6h 45m
Ontario
Wed 8/21
1 stop5h 03m
Seattle/Tacoma IntlOntario
SEA - ONT
SEAONT
Seattle/Tacoma Intl
Tue 8/20
Nonstop2h 35m
Ontario
Fri 8/23
1 stop4h 37m
LAX Temperature | 57.2 - 73.4 °F |
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Food
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Comfort
Crew
Entertainment
Overall
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Food
Boarding
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Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Food
Boarding
Comfort
Crew
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Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Food
Boarding
Comfort
Crew
Entertainment
Overall
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Food
Boarding
Comfort
Crew
Entertainment
Overall
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Food
Boarding
Comfort
Crew
Entertainment
Overall
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
15%of flight departures | Early morningMidnight to 6 am |
---|---|
25%of flight departures | Morning6 am to noon |
29%of flight departures | AfternoonNoon to 6 pm |
31%of flight departures | Evening6 pm to midnight |
Sunday | 15daily flights |
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Monday | 16daily flights |
Tuesday | 11daily flights |
Wednesday | 10daily flights |
Thursday | 14daily flights |
Friday | 16daily flights |
Saturday | 13daily flights |
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ontario from Seattle today with Cheapflights!
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