Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $108 (Mytrip) |
One-way from | $58 (Mytrip) |
Popular in | December |
Cheapest in | October |
Average price | $256 |
Fly from
Fly to
Route
Depart
Return
Price
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
Thu 1/16
6:45 am-3:35 pm
1 stop8h 50m
Seattle/Tacoma Intl
Sun 1/19
4:35 pm-7:12 pm
Nonstop2h 37m
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
Thu 1/23
11:27 am-2:18 pm
Nonstop2h 51m
Seattle/Tacoma Intl
Wed 1/29
5:40 pm-8:13 pm
Nonstop2h 33m
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
Sat 1/18
6:00 am-8:54 am
Nonstop2h 54m
Seattle/Tacoma Intl
Tue 1/21
8:00 am-10:49 am
Nonstop2h 49m
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
Wed 4/23
5:53 pm-8:50 pm
Nonstop2h 57m
Seattle/Tacoma Intl
Sun 4/27
10:30 am-1:13 pm
Nonstop2h 43m
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
Sun 5/18
6:00 am-1:42 pm
1 stop7h 42m
Seattle/Tacoma Intl
Sat 5/24
2:40 pm-10:05 pm
1 stop7h 25m
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
Sat 1/18
11:35 am-9:25 pm
1 stop9h 50m
Seattle/Tacoma Intl
Tue 1/21
10:10 am-5:45 pm
2 stops7h 35m
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
Sun 3/2
12:59 am-12:36 pm
1 stop11h 37m
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
Sat 1/25
6:00 am-8:54 am
Nonstop2h 54m
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
Fri 1/24
6:15 am-11:20 am
1 stop5h 05m
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
Tue 3/25
9:32 am-4:59 pm
1 stop7h 27m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Expedia | Price Accuracy1 star | Trust Score*3 stars |
FlightHub | Price Accuracy3 stars | Trust Score*3 stars |
eDreams | Price Accuracy3 stars | Trust Score*3 stars |
Cheapflightsfares | Price Accuracy3 stars | Trust Score*1 star |
Cheapfaremart | Price Accuracy- | Trust Score*1 star |
Kiwi.com | Price Accuracy3 stars | Trust Score*3 stars |
CheapOair | Price Accuracy2 stars | Trust Score*2 stars |
Priceline | Price Accuracy2 stars | Trust Score*3 stars |
Mytrip | Price Accuracy3 stars | Trust Score*3 stars |
Justfly.com | Price Accuracy3 stars | Trust Score*3 stars |
To ensure you get the cheapest price possible for a flight from Ontario to Seattle, you should look to book at least 79 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, January is the cheapest month in which you can book a flight from Ontario to Seattle (average of $238). Flying from Ontario to Seattle in July is currently the most expensive (average of $411). 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.
It’s typically best to fly out from Ontario to Seattle in the morning. Doing so could potentially save you 15% on the flight price compared to flying at noon, which is usually more expensive.
Travelers seeking maximum savings on their Ontario to Seattle flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from ONT to SEA are scheduled on a Friday (19 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).
In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.
If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).
Overall
Comfort
Crew
Boarding
Entertainment
Food
Reviews
Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.
Overall
Comfort
Crew
Boarding
Entertainment
Food
Reviews
Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.
Overall
Comfort
Crew
Boarding
Entertainment
Food
Reviews
Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.
Overall
Comfort
Crew
Boarding
Entertainment
Food
Reviews
Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.
Overall
Comfort
Crew
Boarding
Entertainment
Food
Reviews
Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.
Overall
Comfort
Crew
Boarding
Entertainment
Food
Reviews
Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Frontier | Cheapest$62 | Average$140 | FlexibilityNo cancel fee | On-time62% |
Spirit Airlines | Cheapest$71 | Average$130 | FlexibilityNo cancel fee | On-time65% |
Delta | Cheapest$105 | Average$255 | FlexibilityNo cancel fee | On-timeN/A |
Alaska Airlines | Cheapest$123 | Average$262 | FlexibilityNo cancel fee | On-time75% |
United Airlines | Cheapest$243 | Average$321 | FlexibilityNo cancel fee | On-time69% |