Direct flights from Ontario to Seattle

ONT - SEA route map All flights from ONT to SEA non-stop. There are direct flights from Ontario International Airport, California, USA to Seattle Tacoma International (SEA), Washington, 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 49 minutes.

ONT
Ontario Airport
USAOntario , USA
SEA
Seattle Tacoma International
USASeattle , USA
ONT
Ontario Airport
USAOntario , USA
Seattle Tacoma
USASeattle , USA
SEA
Flight time is 2 hours and 46 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
4 flights per day
4 flights per day

Alaska Airlines

S
M
T
W
T
F
S
Oneworld
Sun
Mon
Tue
Wed
Thu
Fri
Sat
3-6 flights per day
3-6 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
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Flight schedule from Ontario to Seattle 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
May 20
Tue
May 21
Wed
May 22
Thu
May 23
Fri
May 24
Sat
May 25
Sun
May 26
DL3842
06:50
06:50
06:50
06:50
06:50
06:50
06:50
DL3881
11:32
11:32
11:32
11:32
11:32
11:32
11:32
DL3946
14:13
14:13
14:13
14:13
14:13
14:13
14:13
DL3728
18:28
18:28
18:28
18:28
18:28
18:28
----

The timetable & schedule information was updated at 2024-03-15

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Flight schedule from Ontario to Seattle 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
May 20
Tue
May 21
Wed
May 22
Thu
May 23
Fri
May 24
Sat
May 25
Sun
May 26
AS1091
06:00
06:00
06:00
06:00
06:00
06:00
06:00
AS1255
10:00
10:00
10:00
10:00
10:00
10:00
10:00
AS1119
16:21
16:08
16:21
16:21
16:21
16:20
16:21
AS1087
20:09
20:09
20:09
20:09
20:09
20:09
20:09

The timetable & schedule information was updated at 2024-03-15

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CHECK PRICES
Flight schedule from Ontario to Seattle 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
May 20
Tue
May 21
Wed
May 22
Thu
May 23
Fri
May 24
Sat
May 25
Sun
May 26
F93164
10:06
09:35
09:50
10:06
10:06
10:06
10:06

The timetable & schedule information was updated at 2024-03-15

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CHECK PRICES

Ontario to Seattle flight departures

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

Wednesday
Wed
May 22
9 flights(9)
Thursday
Thu
May 23
9 flights(9)
Friday
Fri
May 24
9 flights(9)
Saturday
Sat
May 25
9 flights(9)
Sunday
Sun
May 26
8 flights(8)
Monday
Mon
May 27
9 flights(9)
Tuesday
Tue
May 28
9 flights(9)
Time
Airline
Flight
06:00
Alaska Airlines Alaska Airlines
AS1091
06:50
Delta Air Lines Delta Air Lines
DL3842
09:50
Frontier Airlines Frontier Airlines
F93164
10:00
Alaska Airlines Alaska Airlines
AS1255
11:32
Delta Air Lines Delta Air Lines
DL3881
14:13
Delta Air Lines Delta Air Lines
DL3946
16:21
Alaska Airlines Alaska Airlines
AS1119
18:28
Delta Air Lines Delta Air Lines
DL3728
20:09
Alaska Airlines Alaska Airlines
AS1087
06:00
Alaska Airlines Alaska Airlines
AS1091
06:50
Delta Air Lines Delta Air Lines
DL3842
10:00
Alaska Airlines Alaska Airlines
AS1255
10:06
Frontier Airlines Frontier Airlines
F93164
11:32
Delta Air Lines Delta Air Lines
DL3881
14:13
Delta Air Lines Delta Air Lines
DL3946
16:21
Alaska Airlines Alaska Airlines
AS1119
18:28
Delta Air Lines Delta Air Lines
DL3728
20:09
Alaska Airlines Alaska Airlines
AS1087
06:00
Alaska Airlines Alaska Airlines
AS1091
06:50
Delta Air Lines Delta Air Lines
DL3842
10:00
Alaska Airlines Alaska Airlines
AS1255
10:06
Frontier Airlines Frontier Airlines
F93164
11:32
Delta Air Lines Delta Air Lines
DL3881
14:13
Delta Air Lines Delta Air Lines
DL3946
16:21
Alaska Airlines Alaska Airlines
AS1119
18:28
Delta Air Lines Delta Air Lines
DL3728
20:09
Alaska Airlines Alaska Airlines
AS1087
06:00
Alaska Airlines Alaska Airlines
AS1091
06:50
Delta Air Lines Delta Air Lines
DL3842
10:00
Alaska Airlines Alaska Airlines
AS1255
10:06
Frontier Airlines Frontier Airlines
F93164
11:32
Delta Air Lines Delta Air Lines
DL3881
14:13
Delta Air Lines Delta Air Lines
DL3946
16:20
Alaska Airlines Alaska Airlines
AS1119
18:28
Delta Air Lines Delta Air Lines
DL3728
20:09
Alaska Airlines Alaska Airlines
AS1087
06:00
Alaska Airlines Alaska Airlines
AS1091
06:50
Delta Air Lines Delta Air Lines
DL3842
10:00
Alaska Airlines Alaska Airlines
AS1255
10:06
Frontier Airlines Frontier Airlines
F93164
11:32
Delta Air Lines Delta Air Lines
DL3881
14:13
Delta Air Lines Delta Air Lines
DL3946
16:21
Alaska Airlines Alaska Airlines
AS1119
20:09
Alaska Airlines Alaska Airlines
AS1087
06:00
Alaska Airlines Alaska Airlines
AS1091
06:50
Delta Air Lines Delta Air Lines
DL3842
10:00
Alaska Airlines Alaska Airlines
AS1255
10:06
Frontier Airlines Frontier Airlines
F93164
11:32
Delta Air Lines Delta Air Lines
DL3881
14:13
Delta Air Lines Delta Air Lines
DL3946
16:21
Alaska Airlines Alaska Airlines
AS1119
18:28
Delta Air Lines Delta Air Lines
DL3728
20:09
Alaska Airlines Alaska Airlines
AS1087
06:00
Alaska Airlines Alaska Airlines
AS1091
06:50
Delta Air Lines Delta Air Lines
DL3842
09:35
Frontier Airlines Frontier Airlines
F93164
10:00
Alaska Airlines Alaska Airlines
AS1255
11:32
Delta Air Lines Delta Air Lines
DL3881
14:13
Delta Air Lines Delta Air Lines
DL3946
16:21
Alaska Airlines Alaska Airlines
AS1119
18:28
Delta Air Lines Delta Air Lines
DL3728
20:09
Alaska Airlines Alaska Airlines
AS1087
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ONT-SEA flight route
Ontario, ONT to Seattle, SEA flight path. The distance is 962 miles or 1548 km.
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Ontario - Seattle direct flight map
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ONT - SEA information

  • Distance
    962 miles (1548 km)
  • Flight time
    2 hours and 49 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 Aircrafts
    Boeing 737 Passenger
    Embraer 170 / 175 / 190 / 195
  • Frontier Airlines Aircraft
    Airbus A318 / A319 / A320 / A321
  • Departure Terminal
    Terminal 2 (Alaska Airlines)
AD (888) 559-5091:
Unpublished Flight Rates From Ontario to Seattle
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Yes, you can take a direct flight from Ontario (ONT) to Seattle (SEA) with Alaska Airlines or Delta Air Lines.

All the flights from Ontario to Seattle are departing from Terminal 2.

The flight time is 2 hours and 49 minutes. The distance is 962 miles or 1548 kilometers.

The flight (AS423) departs at 19:25.

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

Two airlines. Both Alaska Airlines and Delta Air Lines have non-stop flights to Seattle.

You can fly direct every day of the week.