Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Popular in | December |
Cheapest in | October |
Round-trip from | $103 (Frontier) |
One-way from | $63 (Cheapflightsfares) |
Fly from
Fly to
Route
Depart
Return
Price
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
Thu 12/12
8:59 pm-8:57 am
1 stop11h 58m
Seattle/Tacoma Intl
Tue 12/17
7:21 pm-9:59 pm
Nonstop2h 38m
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
Wed 1/8
6:00 am-8:54 am
Nonstop2h 54m
Seattle/Tacoma Intl
Wed 1/8
5:40 pm-8:13 pm
Nonstop2h 33m
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
Sat 1/11
6:00 am-8:55 am
Nonstop2h 55m
Seattle/Tacoma Intl
Mon 1/13
7:45 pm-10:32 pm
Nonstop2h 47m
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
Sat 1/11
6:00 am-8:54 am
Nonstop2h 54m
Seattle/Tacoma Intl
Mon 1/13
9:47 am-5:54 pm
1 stop8h 07m
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
Fri 12/13
6:00 am-12:58 pm
1 stop6h 58m
Seattle/Tacoma Intl
Mon 12/16
4:23 pm-11:58 pm
1 stop7h 35m
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
Thu 2/27
11:25 am-2:16 pm
Nonstop2h 51m
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
Tue 1/14
6:00 am-8:54 am
Nonstop2h 54m
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
Wed 12/18
5:50 am-8:55 am
Nonstop3h 05m
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
Tue 1/21
6:15 am-1:32 pm
1 stop7h 17m
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
Thu 1/2
9:55 pm-9:05 am
1 stop11h 10m
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*3 stars |
Kiwi.com | Price Accuracy3 stars | Trust Score*3 stars |
Priceline | Price Accuracy1 star | Trust Score*3 stars |
CheapOair | Price Accuracy2 stars | Trust Score*2 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 14% 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 mornings 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 Monday (23 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (6 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
Boarding
Comfort
Crew
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
Boarding
Comfort
Crew
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
Boarding
Comfort
Crew
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
Boarding
Comfort
Crew
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
Boarding
Comfort
Crew
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
Boarding
Comfort
Crew
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$138 | FlexibilityNo cancel fee | On-time62% |
Spirit Airlines | Cheapest$71 | Average$130 | FlexibilityNo cancel fee | On-time65% |
Delta | Cheapest$104 | Average$254 | FlexibilityNo cancel fee | On-timeN/A |
Alaska Airlines | Cheapest$123 | Average$260 | FlexibilityNo cancel fee | On-time75% |
United Airlines | Cheapest$243 | Average$321 | FlexibilityNo cancel fee | On-time69% |