Airlines with flights from Baltimore to Ontario
There are five airlines with scheduled flights between BWI and ONT. Southwest is the only airline with non-stop flights from Baltimore Washington International to Ontario International Airport and the flight time is 5 hours and 15 minutes.
There are five airlines with scheduled flights between BWI and ONT. Southwest is the only airline with non-stop flights from Baltimore Washington International to Ontario International Airport and the flight time is 5 hours and 15 minutes. Choose airline
Direct
Non-stop
5h 15min
Via Phoenix
6h 35min
Via Denver
6h 45min
Via Nashville
6h 45min
Via Las Vegas
6h 50min
Via Dallas
6h 50min
Via Atlanta
6h 53min
Via Houston
6h 55min
Via Denver
7h 10min
Via Dallas
7h 10min
Via Charlotte
7h 10min
Via Chicago
7h 15min
Via San Jose
7h 35min
Via Austin
7h 40min
Via Sacramento
7h 45min
Via Salt Lake City
7h 56min
Via Chicago
8h 14min
Via Houston
8h 16min
Via Dallas
8h 16min
Via San Francisco
8h 42min
Via Atlanta
8h 20min
Via San Antonio
9h 20min
Via Oakland
10h 0min
Starts 06/08
Via Saint Louis
8h 25min
Starts 24/09
Via Houston
8h 6min
Starts 01/10
Via Kansas City
8h 40min
Schedules
Non-stop with Southwest Airlines
-
Total flight time: 5 hours and 15 minutes
-
Low-cost airline
-
Baltimore is a Southwest Airlines focus city (Operating base).
-
7 flights per week
-
Boeing 737MAX 8 Passenger
BWI
Direct
ONT
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
WN200
20:10
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----
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The timetable & schedule information was updated at 2026-04-21
Via Phoenix with Southwest Airlines
-
Total flight time: 6h 35m - 12h 25m.
-
Low-cost airline
-
Baltimore is a Southwest Airlines focus city (Operating base).
-
94 flights per week
-
Boeing 737MAX 8 Passenger
BWI
Via PHX
ONT
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
WN1040
WN3450
WN3450
----
----
----
----
----
----
06:30
WN1483
WN239
WN239
----
----
----
06:35
06:35
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----
WN1040
WN853
WN853
----
----
----
----
----
06:55
----
WN1049
WN431
WN431
07:00
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----
----
----
----
----
WN840
WN4455
WN4455
----
----
----
----
----
08:05
----
WN1040
WN692
WN692
----
10:30
10:30
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----
----
----
WN193
WN2862
WN2862
13:50
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----
----
----
----
----
WN1048
WN2862
WN2862
13:50
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----
----
----
----
----
WN344
WN1634
WN1634
----
----
----
----
----
----
14:35
WN2367
WN3238
WN3238
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----
----
----
----
----
15:15
WN344
WN1516
WN1516
----
15:15
15:15
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----
----
----
WN484
WN3904
WN3904
----
----
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15:25
15:25
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----
WN3647
WN1750
WN1750
15:45
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----
----
----
----
----
WN1050
WN2862
WN2862
16:25
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----
----
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----
WN104
WN3238
WN3238
----
----
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17:00
The timetable & schedule information was updated at 2026-04-21
Via Denver with Southwest Airlines
-
Total flight time: 6h 45m - 11h 30m.
-
Low-cost airline
-
Baltimore is a Southwest Airlines focus city (Operating base).
-
170 flights per week
-
Boeing 737MAX 8 Passenger
BWI
Via DEN
ONT
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
WN4436
WN431
WN431
06:05
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WN934
WN4794
WN4794
----
06:30
06:30
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----
----
----
WN934
WN3265
WN3265
----
----
----
----
----
06:35
----
WN935
WN4080
WN4080
07:25
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----
----
----
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----
WN208
WN1596
WN1596
----
----
----
----
----
----
08:15
WN550
WN2050
WN2050
----
----
----
08:15
08:15
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----
WN935
WN2050
WN2050
----
----
----
08:25
08:25
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----
WN849
WN1596
WN1596
----
----
----
----
----
----
08:40
WN938
WN1596
WN1596
----
09:40
09:40
----
----
----
----
WN936
WN2050
WN2050
----
----
----
10:05
10:05
----
----
WN975
WN3959
WN3959
----
----
----
----
----
10:10
----
WN875
WN3775
WN3775
----
----
----
----
----
----
11:05
WN784
WN4773
WN4773
----
----
----
12:05
12:05
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----
WN937
WN1564
WN1564
12:50
----
----
----
----
----
----
WN937
WN4773
WN4773
----
----
----
13:10
13:10
----
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WN936
WN3775
WN3775
----
----
----
----
----
----
13:20
WN1037
WN2949
WN2949
14:05
----
----
----
----
----
----
WN1347
WN4341
WN4341
----
----
----
----
----
14:15
----
WN352
WN1598
WN1598
----
14:30
14:30
----
----
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----
WN146
WN4341
WN4341
----
----
----
----
----
14:35
----
WN247
WN1598
WN1598
----
----
----
----
----
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14:55
WN673
WN1598
WN1598
----
14:55
14:55
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----
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WN678
WN1598
WN1598
----
----
----
----
----
----
15:00
WN937
WN4341
WN4341
----
----
----
----
----
15:05
----
WN938
WN2949
WN2949
15:10
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----
----
----
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----
WN4024
WN1663
WN1663
15:15
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----
----
----
----
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WN928
WN1598
WN1598
----
----
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15:20
15:20
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WN127
WN1598
WN1598
----
----
----
----
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15:40
WN241
WN1598
WN1598
----
----
----
----
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15:45
WN938
WN1598
WN1598
----
----
----
16:10
16:10
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WN937
WN1598
WN1598
----
----
----
----
----
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16:20
WN939
WN1663
WN1663
16:40
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----
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----
WN921
WN1663
WN1663
17:00
----
----
----
----
----
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WN939
WN1598
WN1598
----
17:55
17:55
18:00
18:00
----
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The timetable & schedule information was updated at 2026-04-21
Via Nashville with Southwest Airlines
-
Total flight time: 6h 45m - 10h 40m.
-
Low-cost airline
-
Baltimore is a Southwest Airlines focus city (Operating base).
-
78 flights per week
-
Boeing 737MAX 8 Passenger
BWI
Via BNA
ONT
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
WN2131
WN853
WN853
----
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----
08:15
08:15
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WN249
WN560
WN560
----
----
----
----
----
08:15
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WN2997
WN855
WN855
08:20
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----
----
----
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WN4100
WN560
WN560
----
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08:20
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WN898
WN560
WN560
----
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08:20
----
WN1489
WN560
WN560
----
----
----
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08:30
----
WN1016
WN853
WN853
----
----
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08:45
08:45
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WN621
WN853
WN853
----
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09:00
09:00
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WN951
WN853
WN853
----
----
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09:05
09:05
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----
WN882
WN560
WN560
----
----
----
----
----
09:15
----
WN1110
WN855
WN855
09:35
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WN705
WN855
WN855
10:00
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WN365
WN853
WN853
----
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10:15
10:15
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WN3996
WN611
WN611
----
----
----
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11:10
WN883
WN611
WN611
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13:00
The timetable & schedule information was updated at 2026-04-21
Via Las Vegas with Southwest Airlines
-
Total flight time: 6h 50m - 11h 05m.
-
Low-cost airline
-
Baltimore is a Southwest Airlines focus city (Operating base).
-
116 flights per week
-
Boeing 737MAX 8 Passenger
BWI
Via LAS
ONT
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
WN968
WN955
WN955
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06:30
WN968
WN261
WN261
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06:40
06:40
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WN969
WN3609
WN3609
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09:30
09:30
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WN974
WN3845
WN3845
09:35
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WN969
WN4923
WN4923
----
10:15
10:15
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WN1359
WN4733
WN4733
----
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----
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11:05
WN1087
WN2956
WN2956
----
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12:00
WN970
WN2956
WN2956
----
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13:55
WN4161
WN4733
WN4733
----
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14:35
14:35
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WN970
WN3609
WN3609
----
----
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14:45
----
WN970
WN2239
WN2239
----
14:55
14:55
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----
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----
WN970
WN36
WN36
----
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15:00
15:00
----
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WN1150
WN4733
WN4733
----
----
----
15:00
15:00
----
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WN975
WN1564
WN1564
15:45
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----
----
----
----
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WN4498
WN4733
WN4733
----
----
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17:20
17:20
----
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WN971
WN2239
WN2239
----
----
----
----
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19:00
WN976
WN2135
WN2135
19:30
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The timetable & schedule information was updated at 2026-04-21
Via Atlanta with Delta
Via Denver with United
Via Dallas with American Airlines
Via Houston with Frontier