Ontario International Airport
Ontario, United States
La Aurora International Airport
Guatemala City, Guatemala
$211 USD
-61%$83 USD
Verified Dec 1, 2025 at 6:09 AMMarch 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Good Availability
41% of dates checked are available within 10% of the lowest price
Thursday, March 26th, 2026
Outbound Flights
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27h 49m·2 stops
$344 USD
ONTMar 26 13:50
→DENMar 26 17:03
UA 1263Boeing 737
11h 57m layover·Overnight

DENMar 27 05:00
→IAHMar 27 08:30
UA 320Boeing 777
8h 14m layover

IAHMar 27 16:44
→GUAMar 27 18:39
UA 1902Boeing 737MAX 8 Passenger
25h 35m·2 stops
$374 USD
ONTMar 26 13:50
→DENMar 26 17:03
UA 1263Boeing 737
4h 3m layover

DENMar 26 21:06
→IAHMar 27 00:36
UA 568Airbus A321neo
13h 54m layover

IAHMar 27 14:30
→GUAMar 27 16:25
UA 1632Boeing 737MAX 8 Passenger
20h 36m·2 stops
$487 USD
ONTMar 26 13:50
→DENMar 26 17:03
UA 1263Boeing 737
4h 3m layover

DENMar 26 21:06
→IAHMar 27 00:36
UA 568Airbus A321neo
8h 56m layover

IAHMar 27 09:32
→GUAMar 27 11:26
UA 1751Boeing 737MAX 8 Passenger
11h 39m·1 stop
$542 USD
ONTMar 26 06:00
→IAHMar 26 11:11
UA 1936Boeing 737
5h 33m layover

IAHMar 26 16:44
→GUAMar 26 18:39
UA 1902Boeing 737MAX 8 Passenger
9h 25m·1 stop
$636 USD
ONTMar 26 06:00
→IAHMar 26 11:11
UA 1936Boeing 737
3h 19m layover

IAHMar 26 14:30
→GUAMar 26 16:25
UA 1632Boeing 737MAX 8 Passenger
11h 24m·2 stops
$677 USD
ONTMar 26 06:15
→SFOMar 26 07:48
UA 2363Boeing 737MAX 9 Passenger
1h 32m layover

SFOMar 26 09:20
→IAHMar 26 15:13
UA 1439Boeing 737MAX 9 Passenger
1h 31m layover

IAHMar 26 16:44
→GUAMar 26 18:39
UA 1902Boeing 737MAX 8 Passenger
20h 48m·2 stops
$686 USD
ONTMar 26 18:37
→SFOMar 26 20:10
UA 1665Airbus A320
3h 49m layover

SFOMar 26 23:59
→IAHMar 27 05:46
UA 505Boeing 777
8h 44m layover

IAHMar 27 14:30
→GUAMar 27 16:25
UA 1632Boeing 737MAX 8 Passenger
15h 49m·2 stops
$803 USD
ONTMar 26 18:37
→SFOMar 26 20:10
UA 1665Airbus A320
3h 49m layover

SFOMar 26 23:59
→IAHMar 27 05:46
UA 505Boeing 777
3h 46m layover

IAHMar 27 09:32
→GUAMar 27 11:26
UA 1751Boeing 737MAX 8 Passenger