Alaska
Oneworld
Did you mean flights from Seattle / Tacoma to Ontario?
United States
Ontario International Airport
Switch direction
United States
Seattle–Tacoma International Airport
Click to show full flight schedule
Scan through all non-stop flights from Ontario to Seattle / Tacoma. The full flight schedule below gives an overview of all non-stop flights from ONT to SEA, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
In total there are 3 airlines operating nonstop flights from Ontario ONT to Seattle / Tacoma SEA. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their ONT SEA flight schedule.
Flights from ONT to SEA are operated 27 times a week, with an average of 4 flights per day. Departure times vary between 06:00 - 21:09. The earliest flight departs at 06:00, the last flight departs at 21:09. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).
The fastest direct flight from Ontario to Seattle / Tacoma takes 2 hours and 49 minutes. The flight distance between Ontario and Seattle / Tacoma is 956 miles (or 1,539 km).
There are 3 airports in Seattle / Tacoma: Seattle–Tacoma International Airport (SEA), Boeing Field/King County Internat (BFI) and Kenmore Air Harbor Seaplane Base (FAA: W55) (LKE).
There are 27 flights per week flying from Ontario to Seattle / Tacoma (as of April 2024).
2 hours and 49 minutes is the average flight time from Ontario to Seattle / Tacoma.
The distance from Ontario to Seattle / Tacoma is 956 miles (1,539 kilometers).
Alaska, Delta and Frontier Airlines are flying nonstop from Ontario to Seattle / Tacoma.
Oneworld and SkyTeam are flying nonstop from Ontario to Seattle / Tacoma.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from Ontario to Seattle / Tacoma:
The earliest flight departs at 06:00 from Ontario and arrives at 08:45 at Seattle / Tacoma.
The latest flight departs at 21:09 from Ontario and arrives at 23:50 at Seattle / Tacoma.
956 miles (1,539 km) · 2h 49m
06:00
08:45
Alaska
Oneworld
AS 1091
Alaska
Boeing 737-800 (winglets)
Y
W
J
F
06:00
08:45
Alaska
Oneworld
AS 1091
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
06:00
08:45
Alaska
Oneworld
AS 1091
Alaska
Boeing 737-800 (winglets)
Y
W
J
F
06:00
08:45
Alaska
Oneworld
AS 1091
Alaska
Boeing 737 MAX 9
Y
W
J
F
07:00
09:55
Delta
SkyTeam
DL 4008
Delta
Embraer 175
Y
W
J
F
07:00
09:55
Delta
SkyTeam
DL 4008
Delta
Embraer 175
Y
W
J
F
10:15
13:01
Alaska
Oneworld
AS 3452
Alaska
Embraer 175
Y
W
J
F
10:15
13:01
Alaska
Oneworld
AS 2055
Alaska
Embraer 175
Y
W
J
F
10:29
13:15
Alaska
Oneworld
AS 1255
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
10:29
13:15
Alaska
Oneworld
AS 1255
Alaska
Boeing 737 MAX 9
Y
W
J
F
11:20
14:19
Delta
SkyTeam
DL 3995
Delta
Embraer 175
Y
W
J
F
14:00
16:55
Delta
SkyTeam
DL 3999
Delta
Embraer 175
Y
W
J
F
16:41
19:19
Alaska
Oneworld
AS 1113
Alaska
Boeing 737 MAX 9
Y
W
J
F
16:43
19:21
Alaska
Oneworld
AS 2176
Alaska
Embraer 175
Y
W
J
F
17:00
19:38
Alaska
Oneworld
AS 1119
Alaska
Boeing 737-900
Y
W
J
F
17:00
19:38
Alaska
Oneworld
AS 1119
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
17:00
19:38
Alaska
Oneworld
AS 1119
Alaska
Boeing 737 MAX 9
Y
W
J
F
17:40
20:33
Delta
SkyTeam
DL 4015
Delta
Embraer 175
Y
W
J
F
19:59
22:37
Alaska
Oneworld
AS 1087
Alaska
Boeing 737-900
Y
W
J
F
19:59
22:37
Alaska
Oneworld
AS 1087
Alaska
Boeing 737-900
Y
W
J
F
Click to Check Prices
