Weekend trips from Ontario under $300
For each of the coming weekends, the cheapest return we hold from Ontario to each place: out on a Thursday, Friday or Saturday and back on the Sunday or Monday, with at least a full day there.
Places with a weekend trip: 7
Weekends covered: 8
Weekend of Sat 31 Oct
| City | From | Out | Back | Weekdays off | Airports | Stops | Airline | Found | ||
|---|---|---|---|---|---|---|---|---|---|---|
| San Francisco | $259 | Sat 31 Oct 13:35 | Mon 2 Nov 18:04 | 1 weekday | ONT → SFO | out nonstop, back nonstop | United Airlines | found 4 days ago | See prices for these dates | Check today's price |
Weekend of Sat 7 Nov
| City | From | Out | Back | Weekdays off | Airports | Stops | Airline | Found | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Las Vegas | $125 | Thu 5 Nov 14:23 | Sun 8 Nov 10:05 | 2 weekdays | ONT → LAS | out nonstop, back nonstop | Frontier Airlines | found 4 days ago | See prices for these dates | Check today's price |
| Baltimore | $267 | Fri 6 Nov 20:03 | Mon 9 Nov 17:42 | 1 weekday | ONT → BWI | out 1 stop, back 1 stop | Frontier Airlines | found 5 days ago | See prices for these dates | Check today's price |
Weekend of Sat 14 Nov
| City | From | Out | Back | Weekdays off | Airports | Stops | Airline | Found | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Las Vegas | $109 | Sat 14 Nov 10:00 | Mon 16 Nov 17:19 | 1 weekday | ONT → LAS | out nonstop, back nonstop | Frontier Airlines | found 3 days ago | See prices for these dates | Check today's price |
| Nashville | $224 | Sat 14 Nov 06:30 | Mon 16 Nov 15:11 | 1 weekday | ONT → BNA | out 1 stop, back 1 stop | Frontier Airlines | found 6 days ago | See prices for these dates | Check today's price |
Weekend of Sat 21 Nov
| City | From | Out | Back | Weekdays off | Airports | Stops | Airline | Found | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Dallas | $259 | Sat 21 Nov 22:47 | Mon 23 Nov 05:01 | 1 weekday | ONT → DFW | out 1 stop, back nonstop | Frontier Airlines | found today | See prices for these dates | Check today's price |
| Seattle | $184 | Fri 20 Nov 06:00 | Sun 22 Nov 13:52 | 1 weekday | ONT → SEA | out nonstop, back nonstop | Frontier Airlines | found 3 days ago | See prices for these dates | Check today's price |
Weekend of Sat 28 Nov
| City | From | Out | Back | Weekdays off | Airports | Stops | Airline | Found | ||
|---|---|---|---|---|---|---|---|---|---|---|
| San Francisco | $234 | Thu 26 Nov 11:40 | Mon 30 Nov 21:20 | 3 weekdays | ONT → SFO | out 1 stop, back nonstop | Frontier Airlines | found 2 days ago | See prices for these dates | Check today's price |
Weekend of Sat 5 Dec
| City | From | Out | Back | Weekdays off | Airports | Stops | Airline | Found | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Seattle | $258 | Fri 4 Dec 17:01 | Sun 6 Dec 13:36 | None | ONT → SEA | out nonstop, back nonstop | Alaska Airlines | found today | See prices for these dates | Check today's price |
Weekend of Sat 12 Dec
| City | From | Out | Back | Weekdays off | Airports | Stops | Airline | Found | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Houston | $154 | Thu 10 Dec 11:23 | Mon 14 Dec 07:00 | 3 weekdays | ONT → IAH | out 1 stop, back 1 stop | Frontier Airlines | found 4 days ago | See prices for these dates | Check today's price |
Weekend of Sat 2 Jan 2027
| City | From | Out | Back | Weekdays off | Airports | Stops | Airline | Found | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Las Vegas | $201 | Thu 31 Dec 09:00 | Sun 3 Jan 2027 05:15 | 2 weekdays | ONT → LAS | out nonstop, back nonstop | Frontier Airlines | found 2 days ago | See prices for these dates | Check today's price |
Every trip here gives at least 24 hours at the destination and gets you home by 6 am on the Tuesday. Times are local to each airport. "Weekdays off" counts Monday to Friday days the trip takes; a flight leaving at 5 pm or later does not take that day.
1 traveler · Economy
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work