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On average save $240 per traveler
05/14/25
6:30am
IAD
9h 2m
SEA
05/14/25
3:32pm
ONT
05/20/25
8:00am
ONT
8h 14m
Direct
05/20/25
4:14pm
IAD
$234
Free cancellation within 83 hours of booking
05/06/25
6:00pm
DCA
5h 59m
DEN
05/06/25
11:59pm
ONT
05/13/25
12:59am
ONT
11h 8m
DEN
05/13/25
12:07pm
DCA
$247
Free cancellation within 83 hours of booking
05/11/25
6:00pm
DCA
5h 59m
DEN
05/11/25
11:59pm
ONT
05/18/25
12:59am
ONT
11h 8m
DEN
05/18/25
12:07pm
DCA
$249
Free cancellation within 83 hours of booking
05/14/25
7:45am
IAD
4h 23m
LAS
05/14/25
12:08pm
ONT
05/18/25
12:59am
ONT
11h 8m
DEN
05/18/25
12:07pm
IAD
$249
Free cancellation within 83 hours of booking
05/14/25
6:30am
IAD
9h 2m
SEA
05/14/25
3:32pm
ONT
05/20/25
8:00am
ONT
8h 14m
Direct
05/20/25
4:14pm
IAD
$255
Free cancellation within 83 hours of booking
05/01/25
6:30am
IAD
9h 2m
SEA
05/01/25
3:32pm
ONT
05/28/25
8:00am
ONT
8h 14m
Direct
05/28/25
4:14pm
IAD
$256
Free cancellation within 83 hours of booking
05/01/25
6:30am
IAD
9h 2m
SEA
05/01/25
3:32pm
ONT
05/28/25
6:00am
ONT
12h 59m
SFO
05/28/25
6:59pm
IAD
$266
Free cancellation within 83 hours of booking
04/27/25
6:00am
DCA
4h 57m
ATL
04/27/25
10:57am
ONT
04/29/25
8:02am
ONT
7h 58m
Direct
04/29/25
4:00pm
DCA
$271
Free cancellation within 83 hours of booking
04/28/25
5:32pm
IAD
5h 4m
ATL
04/28/25
10:36pm
ONT
05/03/25
8:02am
ONT
7h 58m
Direct
05/03/25
4:00pm
IAD
$271
Free cancellation within 83 hours of booking
05/24/25
5:44pm
DCA
6h 13m
PDX
05/24/25
11:57pm
ONT
05/25/25
8:00am
ONT
8h 14m
Direct
05/25/25
4:14pm
DCA
$277
Free cancellation within 83 hours of booking
05/21/25
7:45am
IAD
4h 23m
LAS
05/21/25
12:08pm
ONT
05/28/25
7:37pm
ONT
10h 18m
LAS
05/29/25
5:55am
IAD
$279
Free cancellation within 83 hours of booking
04/30/25
6:00am
IAD
4h 57m
ATL
04/30/25
10:57am
ONT
05/14/25
4:54pm
ONT
12h 46m
SLC
05/15/25
5:40am
IAD
$287
Free cancellation within 83 hours of booking
04/27/25
6:00am
DCA
4h 57m
ATL
04/27/25
10:57am
ONT
04/30/25
5:00pm
ONT
12h 50m
SLC
05/01/25
5:50am
DCA
$287
Free cancellation within 83 hours of booking
05/06/25
7:35am
IAD
4h 41m
SLC
05/06/25
12:16pm
ONT
05/11/25
11:47am
ONT
11h 33m
DTW
05/11/25
11:20pm
IAD
$293
Free cancellation within 83 hours of booking
05/22/25
10:52am
IAD
8h 51m
DFW
05/22/25
7:43pm
ONT
05/25/25
5:26pm
ONT
12h 29m
LAS
05/26/25
5:55am
IAD
$307
Free cancellation within 83 hours of booking
05/08/25
6:30am
IAD
9h 2m
SEA
05/08/25
3:32pm
ONT
05/21/25
6:00am
ONT
12h 59m
SFO
05/21/25
6:59pm
IAD
$313
Free cancellation within 83 hours of booking
05/01/25
6:30am
IAD
9h 2m
SEA
05/01/25
3:32pm
ONT
05/06/25
1:57pm
ONT
17h 46m
SFO
SEA
05/07/25
7:43am
IAD
$314
Free cancellation within 83 hours of booking
05/06/25
6:45am
DCA
5h 5m
DFW
05/06/25
11:50am
ONT
05/10/25
12:41pm
ONT
10h 40m
DFW
05/10/25
11:21pm
DCA
$319
Free cancellation within 83 hours of booking
05/02/25
6:30am
DCA
7h 19m
DFW
05/02/25
1:49pm
ONT
05/05/25
12:34pm
ONT
12h 12m
DFW
05/06/25
12:46am
DCA
$326
Free cancellation within 83 hours of booking
05/02/25
5:00am
DCA
6h 59m
DFW
PHX
05/02/25
11:59am
ONT
05/05/25
7:00am
ONT
12h 59m
DFW
PHL
05/05/25
7:59pm
DCA
$336
Free cancellation within 83 hours of booking
05/12/25
5:50pm
IAD
4h 39m
ATL
05/12/25
10:29pm
ONT
05/20/25
11:40pm
ONT
10h 47m
MSP
05/21/25
10:27am
IAD
$374
Free cancellation within 83 hours of booking
05/17/25
7:30am
IAD
4h 45m
SLC
05/17/25
12:15pm
ONT
05/24/25
9:50am
ONT
12h 35m
DTW
05/24/25
10:25pm
IAD
$378
Free cancellation within 83 hours of booking
05/08/25
5:00am
DCA
6h 50m
DFW
05/08/25
11:50am
ONT
05/10/25
9:30am
ONT
9h 57m
CLT
05/10/25
7:27pm
DCA
$397
Free cancellation within 83 hours of booking
05/20/25
6:45am
DCA
5h 5m
DFW
05/20/25
11:50am
ONT
05/27/25
7:25pm
ONT
11h 35m
PHX
05/28/25
7:00am
DCA
$416
Free cancellation within 83 hours of booking
05/13/25
6:45am
DCA
5h 5m
DFW
05/13/25
11:50am
ONT
05/17/25
6:01am
ONT
12h 11m
PHX
CLT
05/17/25
6:12pm
DCA
$421
Free cancellation within 83 hours of booking
05/01/25
6:30am
DCA
5h 16m
DFW
05/01/25
11:46am
ONT
05/04/25
7:25pm
ONT
14h 9m
PHX
ORD
05/05/25
9:34am
DCA
$441
Free cancellation within 83 hours of booking
04/28/25
7:25am
IAD
9h 19m
SEA
04/28/25
4:44pm
ONT
04/29/25
5:45am
ONT
17h
SEA
JFK
04/29/25
10:45pm
IAD
$494
Free cancellation within 83 hours of booking
05/01/25
11:54am
DCA
6h 26m
DFW
PHX
05/01/25
6:20pm
ONT
05/04/25
7:25pm
ONT
14h 9m
PHX
ORD
05/05/25
9:34am
DCA
$607
Free cancellation within 83 hours of booking
05/16/25
7:30am
IAD
4h 45m
SLC
05/16/25
12:15pm
ONT
05/20/25
11:40pm
ONT
10h 47m
MSP
05/21/25
10:27am
IAD
$612
Free cancellation within 83 hours of booking
05/16/25
6:30am
IAD
10h 36m
SEA
PDX
05/16/25
5:06pm
ONT
05/21/25
6:31pm
ONT
11h 24m
SFO
05/22/25
5:55am
IAD
$632
Free cancellation within 83 hours of booking
Top Deals on flights from Washington to Ontario International Airport
Washington, US (WAS) - Los Angeles, US (LAX)
May 9
7:45am
IAD
5h 31m
LAS
May 9
1:16pm
ONT
as low as
$124
Washington, US (WAS) - Los Angeles, US (LAX)
Apr 24
7:00am
DCA
4h 20m
DEN
Apr 24
11:20am
ONT
as low as
$124
Washington, US (WAS) - Los Angeles, US (LAX)
Apr 28
6:30am
IAD
9h 2m
SEA
Apr 28
3:32pm
ONT
as low as
$158
Washington, US (WAS) - Los Angeles, US (LAX)
May 5
7:35am
IAD
4h 41m
SLC
May 5
12:16pm
ONT
as low as
$158
Washington, US (WAS) - Los Angeles, US (LAX)
May 1
7:25am
IAD
9h 19m
SEA
May 1
4:44pm
ONT
as low as
$158
Washington, US (WAS) - Los Angeles, US (LAX)
Apr 26
6:00am
IAD
4h 57m
ATL
Apr 26
10:57am
ONT
as low as
$158
Washington, US (WAS) - Los Angeles, US (LAX)
May 4
2:25pm
DCA
9h 16m
MSP
SLC
May 4
11:41pm
ONT
as low as
$163
Washington, US (WAS) - Los Angeles, US (LAX)
Apr 28
6:30am
IAD
9h 2m
SEA
Apr 28
3:32pm
ONT
as low as
$172
Washington, US (WAS) - Los Angeles, US (LAX)
May 8
6:17am
IAD
7h 35m
DFW
May 8
1:52pm
ONT
as low as
$208
Washington, US (WAS) - Los Angeles, US (LAX)
May 3
5:00pm
DCA
4h 58m
PHX
May 3
9:58pm
ONT
as low as
$208
Washington, US (WAS) - Los Angeles, US (LAX)
May 18
5:02am
IAD
6h 48m
CLT
PHX
May 18
11:50am
ONT
as low as
$213
Washington, US (WAS) - Los Angeles, US (LAX)
May 11
3:54pm
DCA
6h 3m
PHL
PHX
May 11
9:57pm
ONT
as low as
$213
Flights to Los Angeles
Return flights
Flights From Ontario International Airport To WashingtonBrowse origins
- Flights
- North America
- United States
- Washington, D.c.
- Washington
Browse destinations
- Flights
- North America
- United States
- California
- Los Angeles
- Ontario International Airport
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