Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Popular in | December |
Cheapest in | September |
Round-trip from | $57 (Cheapflightsfares) |
One-way from | $53 (Cheapflightsfares) |
Fly from
Fly to
Route
Depart
Return
Price
SeattleOntario
SEA - ONT
SEAONT
Seattle/Tacoma Intl
Sun 11/24
7:22 pm-10:02 pm
Nonstop2h 40m
SeattleOntario
SEA - ONT
SEAONT
Seattle/Tacoma Intl
Mon 1/6
7:45 pm-10:32 pm
Nonstop2h 47m
SeattleOntario
SEA - ONT
SEAONT
Seattle/Tacoma Intl
Fri 1/24
11:36 am-5:59 pm
1 stop6h 23m
SeattleOntario
SEA - ONT
SEAONT
Seattle/Tacoma Intl
Wed 12/4
11:56 am-5:43 pm
1 stop5h 47m
SeattleOntario
SEA - ONT
SEAONT
Seattle/Tacoma Intl
Wed 11/13
12:55 pm-7:40 pm
2 stops6h 45m
SeattleOntario
SEA - ONT
SEAONT
Seattle/Tacoma Intl
Fri 11/22
6:35 pm-9:15 pm
Nonstop2h 40m
Ontario
Thu 11/28
7:58 am-10:54 am
Nonstop2h 56m
SeattleOntario
SEA - ONT
SEAONT
Seattle/Tacoma Intl
Sat 12/7
6:30 pm-9:04 pm
Nonstop2h 34m
Ontario
Tue 12/10
1:53 pm-4:46 pm
Nonstop2h 53m
SeattleOntario
SEA - ONT
SEAONT
Seattle/Tacoma Intl
Tue 11/19
2:00 pm-4:45 pm
Nonstop2h 45m
Ontario
Mon 11/25
5:40 am-8:40 am
Nonstop3h 00m
SeattleOntario
SEA - ONT
SEAONT
Seattle/Tacoma Intl
Fri 12/13
9:26 pm-11:59 pm
Nonstop2h 33m
Ontario
Tue 12/17
12:59 am-1:10 pm
1 stop12h 11m
SeattleOntario
SEA - ONT
SEAONT
Seattle/Tacoma Intl
Sat 12/7
5:15 am-9:53 am
1 stop4h 38m
Ontario
Wed 12/11
6:00 am-10:46 am
1 stop4h 46m
Provider | Price Accuracy | Trust Score* | Cancellation Policy |
---|---|---|---|
Expedia | Price Accuracy1 star | Trust Score*3 stars | Cancellation PolicyAirline Policy |
FlightHub | Price Accuracy3 stars | Trust Score*3 stars | Cancellation PolicyAirline Policy |
eDreams | Price Accuracy3 stars | Trust Score*3 stars | Cancellation PolicyAirline Policy |
Cheapflightsfares | Price Accuracy3 stars | Trust Score*1 star | Cancellation PolicyAirline Policy |
Priceline | Price Accuracy1 star | Trust Score*3 stars | Cancellation PolicyAirline Policy |
Kiwi.com | Price Accuracy3 stars | Trust Score*3 stars | Cancellation PolicyNo Information |
Cheapfaremart | Price Accuracy- | Trust Score*1 star | Cancellation PolicyAirline Policy |
CheapOair | Price Accuracy2 stars | Trust Score*3 stars | Cancellation PolicyAirline Policy |
FlightsMojo | Price Accuracy- | Trust Score*3 stars | Cancellation PolicyNo Information |
Gotogate | Price Accuracy3 stars | Trust Score*2 stars | Cancellation PolicyAirline Policy |
The best time to book flights from Seattle to Ontario is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, September is the cheapest month in which you can book a flight from Seattle to Ontario (average of $236). Flying from Seattle to Ontario in December is currently the most expensive (average of $298). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
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 43% on your trip compared to booking a flight in the morning.
Travelers seeking maximum savings on their Seattle to Ontario flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from SEA to ONT are scheduled on a Monday (23 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).
In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.
If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).
Overall
Boarding
Crew
Entertainment
Food
Comfort
Reviews
No issues. I needed pre boarding and I was able to get it without issue
Overall
Boarding
Crew
Entertainment
Food
Comfort
Reviews
No issues. I needed pre boarding and I was able to get it without issue
Overall
Boarding
Crew
Entertainment
Food
Comfort
Reviews
No issues. I needed pre boarding and I was able to get it without issue
Overall
Boarding
Crew
Entertainment
Food
Comfort
Reviews
No issues. I needed pre boarding and I was able to get it without issue
Overall
Boarding
Crew
Entertainment
Food
Comfort
Reviews
No issues. I needed pre boarding and I was able to get it without issue
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Spirit Airlines | Cheapest$40 | Average$127 | FlexibilityNo cancel fee | On-time65% |
Frontier | Cheapest$54 | Average$127 | FlexibilityNo cancel fee | On-time62% |
Delta | Cheapest$108 | Average$265 | FlexibilityNo cancel fee | On-timeN/A |
Alaska Airlines | Cheapest$111 | Average$265 | FlexibilityNo cancel fee | On-time75% |