Direct flights from Seattle to Ontario

SEA - ONT route map All flights from SEA to ONT non-stop. There are direct flights from Seattle Tacoma International, Washington, USA to Ontario International Airport (ONT), California, USA every day of the week with Delta Air Lines, Alaska Airlines and Frontier Airlines. The flight distance is 962 miles and the trip usually takes about 2 hours and 34 minutes.

SEA
Seattle Tacoma
USASeattle , USA
ONT
Ontario International Airport
USAOntario , USA
SEA
Seattle Tacoma
USASeattle , USA
Ontario Airport
USAOntario , USA
ONT
Flight time is 2 hours and 44 minutes
CHANGE DIRECTION

Airlines with non-stop routes:

Delta Air Lines

S
M
T
W
T
F
S
Sky Team
Sun
Mon
Tue
Wed
Thu
Fri
Sat
3 flights per day
3 flights per day

Alaska Airlines

S
M
T
W
T
F
S
Oneworld
Sun
Mon
Tue
Wed
Thu
Fri
Sat
2-3 flights per day
2-3 flights per day

Frontier Airlines

S
M
T
W
T
F
S
Low-cost airline
Sun
Mon
Tue
Wed
Thu
Fri
Sat
0-1 flights per day
0-1 flights per day
Weekday-labels: HAS FLIGHTS UPCOMING NO FLIGHTS
Check availability
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Flight schedule from Seattle to Ontario with Delta Air Lines

This is a weekly direct flight schedule for Delta Air Lines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.

 
Flight
Mon
Apr 7
Tue
Apr 8
Wed
Apr 9
Thu
Apr 10
Fri
Apr 11
Sat
Apr 12
Sun
Apr 13
DL4070
08:15
08:15
08:15
08:15
08:15
08:15
08:15
DL4031
13:59
13:59
13:59
13:59
13:59
13:59
13:59
DL4027
19:40
19:40
19:40
19:40
19:40
19:40
19:40

The timetable & schedule information was updated at 2025-03-15

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Flight schedule from Seattle to Ontario with Alaska Airlines

This is a weekly direct flight schedule for Alaska Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.

 
Flight
Mon
Apr 7
Tue
Apr 8
Wed
Apr 9
Thu
Apr 10
Fri
Apr 11
Sat
Apr 12
Sun
Apr 13
AS1254
08:01
08:01
08:01
08:01
08:01
----
08:01
AS1086
15:50
15:50
15:50
15:50
15:50
----
15:50
AS1003
21:23
----
----
21:23
21:23
21:23
21:23

The timetable & schedule information was updated at 2025-03-15

RETURN SCHEDULE
CHECK PRICES
Flight schedule from Seattle to Ontario with Frontier Airlines

This is a weekly direct flight schedule for Frontier Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.

 
Flight
Mon
Apr 7
Tue
Apr 8
Wed
Apr 9
Thu
Apr 10
Fri
Apr 11
Sat
Apr 12
Sun
Apr 13
F93163
12:46
----
----
12:46
12:46
----
12:46

The timetable & schedule information was updated at 2025-03-15

RETURN SCHEDULE
CHECK PRICES

Seattle to Ontario flight departures

Select a date to see all scheduled flight departures between SEA to ONT.

Saturday
Sat
Apr 05
5 flights(5)
Sunday
Sun
Apr 06
7 flights(7)
Monday
Mon
Apr 07
7 flights(7)
Tuesday
Tue
Apr 08
5 flights(5)
Wednesday
Wed
Apr 09
5 flights(5)
Thursday
Thu
Apr 10
7 flights(7)
Friday
Fri
Apr 11
7 flights(7)
Time
Airline
Flight
08:01
Alaska Airlines Alaska Airlines
AS1254
08:15
Delta Air Lines Delta Air Lines
DL4070
13:59
Delta Air Lines Delta Air Lines
DL4031
19:40
Delta Air Lines Delta Air Lines
DL4027
21:23
Alaska Airlines Alaska Airlines
AS1003
08:01
Alaska Airlines Alaska Airlines
AS1254
08:15
Delta Air Lines Delta Air Lines
DL4070
12:46
Frontier Airlines Frontier Airlines
F93163
13:59
Delta Air Lines Delta Air Lines
DL4031
15:50
Alaska Airlines Alaska Airlines
AS1086
19:40
Delta Air Lines Delta Air Lines
DL4027
21:23
Alaska Airlines Alaska Airlines
AS1003
08:01
Alaska Airlines Alaska Airlines
AS1254
08:15
Delta Air Lines Delta Air Lines
DL4070
12:46
Frontier Airlines Frontier Airlines
F93163
13:59
Delta Air Lines Delta Air Lines
DL4031
15:50
Alaska Airlines Alaska Airlines
AS1086
19:40
Delta Air Lines Delta Air Lines
DL4027
21:23
Alaska Airlines Alaska Airlines
AS1003
08:01
Alaska Airlines Alaska Airlines
AS1254
08:15
Delta Air Lines Delta Air Lines
DL4070
13:59
Delta Air Lines Delta Air Lines
DL4031
15:50
Alaska Airlines Alaska Airlines
AS1086
19:40
Delta Air Lines Delta Air Lines
DL4027
08:01
Alaska Airlines Alaska Airlines
AS1254
08:15
Delta Air Lines Delta Air Lines
DL4070
13:59
Delta Air Lines Delta Air Lines
DL4031
15:50
Alaska Airlines Alaska Airlines
AS1086
19:40
Delta Air Lines Delta Air Lines
DL4027
08:01
Alaska Airlines Alaska Airlines
AS1254
08:15
Delta Air Lines Delta Air Lines
DL4070
12:46
Frontier Airlines Frontier Airlines
F93163
13:59
Delta Air Lines Delta Air Lines
DL4031
15:50
Alaska Airlines Alaska Airlines
AS1086
19:40
Delta Air Lines Delta Air Lines
DL4027
21:23
Alaska Airlines Alaska Airlines
AS1003
08:01
Alaska Airlines Alaska Airlines
AS1254
08:15
Delta Air Lines Delta Air Lines
DL4070
12:46
Frontier Airlines Frontier Airlines
F93163
13:59
Delta Air Lines Delta Air Lines
DL4031
15:50
Alaska Airlines Alaska Airlines
AS1086
19:40
Delta Air Lines Delta Air Lines
DL4027
21:23
Alaska Airlines Alaska Airlines
AS1003
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SEA-ONT flight route
Seattle, SEA to Ontario, ONT flight path. The distance is 962 miles or 1548 km.
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Seattle - Ontario direct flight map
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SEA - ONT information

  • Distance
    962 miles (1548 km)
  • Flight time
    2 hours and 34 minutes
  • Airlines
    Delta Delta
    Alaska Airlines Alaska Airlines
    Frontier Airlines Frontier Airlines
  • Alliances
    One World
    Sky Team
    Star Alliance
  • Classes
    Economy
    Business
    First Class
  • Delta Aircraft
    Embraer 170 / 175 / 190 / 195
  • Alaska Airlines Aircraft
    Boeing 737 Passenger
  • Frontier Airlines Aircraft
    Airbus A318 / A319 / A320 / A321
  • Arrival Terminal
    Terminal 2 (Alaska Airlines)
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Yes, you can take a direct flight from Seattle (SEA) to Ontario (ONT) with Alaska Airlines, Frontier Airlines or Delta Air Lines.

The flight time is 2 hours and 34 minutes. The distance is 962 miles or 1548 kilometers.

The flight (AS965) departs at 10:00.

Unfortunately you can't fly direct from Seattle to Ontario with Star Alliance.

Yes, you can fly direct with One World member Alaska Airlines.

Yes, you can fly direct with Sky Team member Delta Air Lines.

Alaska Airlines and Frontier Airlines fly this route with the Boeing 737 Passenger and Airbus A318 / A319 / A320 / A321 aircrafts.

You can fly direct every day of the week.
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