FLIGHTS
HOTELS
AIRLINES
DESTINATIONS
EN | AR
English
العربية
Cheap flights from Seattle to Ontario
Search for the cheapest air tickets from Seattle to Ontario
Origin
Destination
Depart date
Return date
Adults
1 adult
2 adults
3 adults
4 adults
5 adults
6 adults
7 adults
8 adults
9 adults
Childrens
Childrens
1 children
2 childrens
3 childrens
4 childrens
5 childrens
6 childrens
7 childrens
8 childrens
9 childrens
Infants
Infants
1 infant
2 infants
3 infants
4 infants
5 infants
6 infants
7 infants
8 infants
9 infants
Search
Flights
Flights to United States
Ontario
Cheap flights Seattle to Ontario
Recently booked flights from Seattle to Ontario
From
Seattle
To
Ontario
Depart date
09.01.2025
Price
$580 / 2111ر.ق
Average ticket prices for flights from Seattle to Ontario by month
Find the cheapest time to fly from Seattle to Ontario.
January
March
May
Airlines Flying to Ontario from Seattle
American Airlines (AA)
Alaska Airlines (AS)
Flight schedule Seattle to Ontario
08:00 → 10:38
direct
Alaska Airlines 1254
SEA — ONT
M
-
W
T
F
-
S
Select dates
08:00 → 10:49
direct
Alaska Airlines 1254
SEA — ONT
-
T
-
-
-
S
-
Select dates
12:40 → 15:11
direct
Alaska Airlines 1097
SEA — ONT
M
-
-
T
F
-
-
Select dates
12:45 → 15:16
direct
Alaska Airlines 1097
SEA — ONT
-
-
-
-
-
-
S
Select dates
15:40 → 18:13
direct
Alaska Airlines 1086
SEA — ONT
M
-
-
T
F
S
S
Select dates
16:35 → 19:12
direct
Frontier Airlines 3163
SEA — ONT
-
-
-
T
-
-
S
Select dates
17:40 → 20:13
direct
Alaska Airlines 1088
SEA — ONT
-
T
W
-
-
-
-
Select dates
20:05 → 22:39
direct
Alaska Airlines 1003
SEA — ONT
M
-
-
T
F
-
-
Select dates
20:38 → 23:12
direct
Alaska Airlines 1003
SEA — ONT
-
-
-
-
-
-
S
Select dates
05:30 → 12:26
1 stop
Delta Air Lines
SEA — ONT
M
T
W
T
F
S
S
Select dates
05:35 → 12:05
1 stop
Southwest Airlines
SEA — ONT
-
-
-
-
-
S
-
Select dates
05:55 → 10:25
1 stop
Southwest Airlines
SEA — ONT
M
-
-
T
F
-
S
Select dates
05:55 → 10:55
1 stop
Southwest Airlines
SEA — ONT
-
-
-
-
-
S
-
Select dates
06:00 → 10:30
1 stop
Southwest Airlines
SEA — ONT
M
T
W
T
F
-
-
Select dates
06:50 → 11:00
1 stop
Southwest Airlines
SEA — ONT
M
-
-
T
F
-
S
Select dates
06:50 → 11:20
1 stop
Southwest Airlines
SEA — ONT
-
-
-
-
-
S
-
Select dates
06:50 → 12:30
1 stop
Southwest Airlines
SEA — ONT
M
-
-
T
F
-
S
Select dates
07:00 → 13:25
1 stop
Southwest Airlines
SEA — ONT
M
T
W
T
F
-
-
Select dates
07:15 → 12:40
1 stop
Southwest Airlines
SEA — ONT
M
-
-
T
F
-
S
Select dates
07:25 → 12:26
1 stop
Alaska Airlines
SEA — ONT
M
T
W
T
F
S
S
Select dates
08:00 → 10:38
direct
Alaska Airlines
SEA — ONT
M
-
W
T
F
-
S
Select dates
08:00 → 10:49
direct
Alaska Airlines
SEA — ONT
-
T
-
-
-
S
-
Select dates
08:15 → 14:25
1 stop
Southwest Airlines
SEA — ONT
-
-
-
-
-
S
-
Select dates
08:50 → 13:55
1 stop
Southwest Airlines
SEA — ONT
M
T
W
T
F
-
S
Select dates
09:10 → 15:05
1 stop
Southwest Airlines
SEA — ONT
M
T
W
T
F
-
-
Select dates
10:00 → 20:45
1 stop
Southwest Airlines
SEA — ONT
M
T
W
T
F
-
-
Select dates
10:10 → 15:30
1 stop
Southwest Airlines
SEA — ONT
M
T
W
T
F
-
-
Select dates
11:10 → 17:20
1 stop
Southwest Airlines
SEA — ONT
M
-
-
T
F
-
S
Select dates
11:30 → 18:04
1 stop
Alaska Airlines
SEA — ONT
-
T
W
-
-
-
-
Select dates
11:30 → 18:24
1 stop
Alaska Airlines
SEA — ONT
M
T
W
T
F
-
S
Select dates
12:10 → 17:55
1 stop
Frontier Airlines
SEA — ONT
-
-
-
T
-
-
-
Select dates
12:25 → 17:10
1 stop
Southwest Airlines
SEA — ONT
M
T
W
T
F
-
S
Select dates
12:40 → 15:11
direct
Alaska Airlines
SEA — ONT
M
-
-
T
F
-
-
Select dates
12:45 → 15:16
direct
Alaska Airlines
SEA — ONT
-
-
-
-
-
-
S
Select dates
12:50 → 18:04
1 stop
United Airlines
SEA — ONT
-
T
W
-
-
-
-
Select dates
13:30 → 19:30
1 stop
Southwest Airlines
SEA — ONT
M
-
-
T
F
-
S
Select dates
13:35 → 18:19
1 stop
Delta Air Lines
SEA — ONT
-
-
-
-
-
S
-
Select dates
13:40 → 20:45
1 stop
Southwest Airlines
SEA — ONT
M
T
W
T
F
-
S
Select dates
14:35 → 19:05
1 stop
Southwest Airlines
SEA — ONT
-
-
-
-
-
S
-
Select dates
14:40 → 20:15
1 stop
Southwest Airlines
SEA — ONT
M
-
-
T
F
-
S
Select dates
15:15 → 20:20
1 stop
Southwest Airlines
SEA — ONT
M
T
W
T
F
-
S
Select dates
15:20 → 20:15
1 stop
Southwest Airlines
SEA — ONT
-
-
-
-
-
S
-
Select dates
15:25 → 20:29
1 stop
United Airlines
SEA — ONT
M
-
-
T
F
-
S
Select dates
15:25 → 20:25
1 stop
Southwest Airlines
SEA — ONT
M
T
W
T
F
-
S
Select dates
15:40 → 18:13
direct
Alaska Airlines
SEA — ONT
M
-
-
T
F
S
S
Select dates
16:20 → 22:05
1 stop
Southwest Airlines
SEA — ONT
M
-
-
T
F
-
S
Select dates
16:35 → 19:12
direct
Frontier Airlines
SEA — ONT
-
-
-
T
-
-
S
Select dates
16:47 → 23:25
1 stop
Alaska Airlines
SEA — ONT
-
-
-
-
-
S
-
Select dates
17:05 → 23:25
1 stop
Delta Air Lines
SEA — ONT
-
-
-
-
-
S
-
Select dates
17:05 → 23:53
1 stop
Delta Air Lines
SEA — ONT
M
T
W
T
F
-
S
Select dates
17:40 → 20:13
direct
Alaska Airlines
SEA — ONT
-
T
W
-
-
-
-
Select dates
19:10 → 23:53
1 stop
Delta Air Lines
SEA — ONT
M
T
W
T
F
-
S
Select dates
20:05 → 22:39
direct
Alaska Airlines
SEA — ONT
M
-
-
T
F
-
-
Select dates
20:38 → 23:12
direct
Alaska Airlines
SEA — ONT
-
-
-
-
-
-
S
Select dates