Flights from Ontario to Seattle from $36
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Airfare Deals Ontario to Seattle
On HolidayPrice.com you will find 0 direct and 0 connecting flights from Ontario to Seattle at a price of from $36. You can compare airfare deals from airlines and multiple travel sites, book and save on cheap plane tickets and last minute offers. Also check out ONT - SEA flight schedule to find best flight time, convenient departure and arrival airports.
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The cost of airline tickets from Ontario to Seattle (United States) and back without transfers can be found with the help of the calendar. Specify the search parameters: one way or round-trip, payment currency, click on the month/day you need and we will search for flights to Seattle.
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Cheap flights from OntarioCheap flights to Seattle
Airline tickets to United States
One way flight from Ontario to Seattle
Below are the prices of tickets for direct one-way flights from Ontario to Seattle. The cheapest flight from Ontario to Seattle starts from $36 – the departure date for this flight is 07 May 2025.
Round trip from Ontario to Seattle
You can buy a round-trip ticket from Ontario to Seattle (United States) and back using the table below. The best offer starts from $86, the flight dates are: there on 05 May 2025 year and back on 11 May 2025 year.
Frontier Airlines F9 3164
Evening flight
Departure
10.06.25
18:33, Tu
Direct
Trip 3 days
Return
13.06.25
20:50, Fr
Alaska Airlines AS 6290
Evening flight
Departure
20.05.25
23:45, Tu
Direct
Trip 3 days
Return
24.05.25
04:15, Sa
Alaska Airlines AS 1119
Evening flight
Departure
02.09.25
22:04, Tu
Direct
Trip 10 days
Return
12.09.25
14:00, Fr
Alaska Airlines AS 665
Evening flight
Departure
01.11.25
23:05, Sa
Direct
Trip 8 days
Return
10.11.25
05:00, Mo
Frontier Airlines F9 1500
Morning flight
Departure
03.05.25
07:59, Sa
1 Stopover
Trip 2 days
Return
05.05.25
01:50, Mo
From Ontario to Seattle from $68! Airfare Deals by Frontier Airlines
from $68
left 24 days
Sales dates 01 May 2025
Flight dates: 12 May 2025
Ontario - Seattle
One way, Economy - from $68
Find flights
From Ontario to Seattle from $135! Airfare Deals by Southwest Airlines
from $135
left 9 days
Sales dates 01 May 2025
Flight dates: 13 May 2025
Ontario - Seattle
One way, Economy - from $135
Find flights
Flight Schedule Ontario to Seattle 2025
The current flight schedule for the route from Ontario to Seattle for today, tomorrow and the next few days. This schedule will help you decide on the time of departure and arrival, the airline, the flight number and the day of the week.
More than 2 flights every day, from 2hours 43min. Local departure and arrival times are indicated.
*Schedule is indicated only for direct scheduled flights and low-cost airlines.
Flight Information
Flying to Seattle from Ontario takes 02:35 minutes (excluding transfers). The distance between Ontario and Seattle is 966 miles (1555 kilometers). Planes depart from Ontario between and . The fastest flight from the company with flight number . Flies for just minutes with departure from and arrival in .
Average flight time
02:35 min
Distance
966 mi
The earliest flight
The latest flight
The fastest flight
Airlines
Direct flight
There are 0 airlines that fly directly from Ontario to Seattle. The most popular company carrying out non-stop flights is .
*Flight number
Flights with Transfers
Flights with transfers from Ontario to Seattle can be bought from 0 airlines:
*Transit cities
Airports
Airports serving the air communication between Ontario and Seattle. You can fly to Seattle from Ontario airports. Planes arrive at airport in Seattle.
Ontario airports:
Seattle airports:
*Distance from the airport to the city center
Aircraft
You can fly from Ontario to Seattle on board of airlines that utilize aircraft models.
Connecting cities
The list of cities on transfer flights to Seattle from Ontario. The best options are to fly through: .
Cheap airline tickets from Ontario to United States
Here is a list of flights from Ontario to United States purchased on HolidayPrice.com in the past 48 hours. If you find an interesting offer for cheap tickets, do not delay your purchase, prices change every 15 minutes.
No directions were found for the specified parameters!Flights from United States to Seattle
Here are the cheapest flight bookings from United States to Seattle made by users of our website. If you didn’t find your flight destination, use the search bar at the top of the page.
New York - Seattle UA 1932
United Airlines Boeing 737-800
23:55
Newark Liberty
in a way 5 hours 50 min
Direct
05:45
Seattle-Tacoma
Flights
from $52 06 May 2025
from $52 06 May 2025
Los Angeles - Seattle DL 2388
Delta Air Lines Boeing 737-900
06:39
Los Angeles
in a way 2 hours 21 min
Direct
09:00
Seattle-Tacoma
Flights
from $34 05 May 2025
from $34 05 May 2025
Los Angeles - Seattle AS 1242
Alaska Airlines Boeing 737-900
00:21
Ontario
in a way 2 hours 37 min
Direct
02:58
Seattle-Tacoma
Flights
from $34 05 May 2025
from $34 05 May 2025
Miami - Seattle AA 305
American Airlines Airbus A321
04:09
Miami
in a way 6 hours 20 min
Direct
10:29
Seattle-Tacoma
Flights
from $108 11 May 2025
from $108 11 May 2025
Chicago - Seattle AA 1058
American Airlines Boeing 737-800
15:00
O'Hare
in a way 4 hours 0 min
Direct
19:00
Seattle-Tacoma
Flights
from $41 05 May 2025
from $41 05 May 2025
Tips for buying a ticket
Ontario – Seattle – Ontario round-trip route are always cheaper than tickets purchased there and back separately.
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