Lowest Prices
Find the lowest ONT airfares by comparing hundreds of airlines and agencies.
Good to Know: Flights to ONT
Useful information for finding cheap flights to Ontario International and booking your next trip
Cheapest Round Trip Flight
$670
Delta Airlines• 1 stop • 16h 56mNov 13 – Nov 16
The cheapest round trip flight from Ted Stevens Anchorage International to Ontario International is currently $670
Cheapest One way Flight
$299
Delta Airlines• 1 stop• 15h 4mNov 17
The cheapest one way flight from Savannah Hilton Head International to Ontario International is currently $299
Cheapest Direct Flight
$223
Delta Airlines• nonstop• 4h 2mMar 17
The cheapest nonstop flight from Seattle Tacoma International to Ontario International is currently $223
Fastest Flight
3h 39m
The fastest nonstop flight from Portland International to Ontario International takes 3h 39m
Best Flight Deals to Ontario
Identify the most efficient round-trip flights to Ontario. We present options balancing cost and convenience for your return journey.
Nov 13 - Nov 16, Economy
Anchorage → Ontario
16h 56m
11:44 AM - 11:00 PM • 1 stop
Anchorage → Ontario
24h 2m
11:57 AM - 1:39 AM • 1 stop
Delta Airlines
Nov 13 - Nov 23, Economy
Dallas → Ontario
5h 10m
9:05 PM - 10:15 PM • nonstop
Dallas → Ontario
4h 15m
6:35 PM - 11:30 PM • nonstop
Southwest Airlines
Nov 13 - Nov 16, Economy
Anchorage → Ontario
12h 8m
6:45 AM - 3:13 PM • 1 stop
Anchorage → Ontario
13h 50m
6:00 AM - 1:30 PM • 1 stop
Alaska Airlines
Nov 13 - Nov 16, Economy
Anchorage → Ontario
18h 38m
2:55 AM - 3:13 PM • 1 stop
Anchorage → Ontario
13h 50m
6:00 AM - 1:30 PM • 1 stop
Alaska Airlines
Nov 13 - Nov 16, Economy
Anchorage → Ontario
12h 8m
6:45 AM - 3:13 PM • 1 stop
Anchorage → Ontario
8h 57m
7:20 AM - 11:57 AM • nonstop
Alaska Airlines
For travel requiring no set return, access available one-way flights to Ontario (ONT). These options support extended stays or open-ended plans.
Need to travel to Ontario soon? View current last-minute flight options to ONT for spontaneous or pressing plans.
Nov 13 - Nov 16, Economy
Anchorage → Ontario
12h 8m
6:45 AM - 3:13 PM • 1 stop
Anchorage → Ontario
13h 50m
6:00 AM - 1:30 PM • 1 stop
Alaska Airlines
Nov 13 - Nov 16, Economy
Anchorage → Ontario
18h 38m
2:55 AM - 3:13 PM • 1 stop
Anchorage → Ontario
13h 50m
6:00 AM - 1:30 PM • 1 stop
Alaska Airlines
Maximize your time in Ontario, not in transit. Discover non-stop direct flights to ONT for the quickest, most straightforward journey to the Strip.
Mar 17 - Mar 24, Economy
Seattle → Ontario
4h 2m
2:35 PM - 5:17 PM • nonstop
Seattle → Ontario
4h 15m
7:10 PM - 10:05 PM • nonstop
Delta Airlines
Mar 17 - Mar 24, Economy
Seattle → Ontario
4h 8m
7:55 PM - 10:43 PM • nonstop
Seattle → Ontario
5h 2m
11:45 AM - 2:47 PM • nonstop
Delta Airlines
Mar 17 - Mar 24, Economy
Seattle → Ontario
4h 2m
8:25 AM - 11:07 AM • nonstop
Seattle → Ontario
4h 14m
2:05 PM - 4:59 PM • nonstop
Delta Airlines
Nov 23 - Nov 26, Economy
Portland → Ontario
3h 39m
7:40 AM - 9:59 AM • nonstop
Portland → Ontario
3h 46m
10:41 AM - 1:07 PM • nonstop
Alaska Airlines
Nov 13 - Nov 23, Economy
Dallas → Ontario
5h 10m
9:05 PM - 10:15 PM • nonstop
Dallas → Ontario
4h 15m
6:35 PM - 11:30 PM • nonstop
Southwest Airlines
Destination Airport Information
| IATA Code | ONT |
| Name | Ontario International |
| City | Ontario |
| Country | US |
| Latitude | 34.055999755859375 |
| Longitude | -117.60099792480469 |
Popular Airlines
More Flight Options to Ontario, ONT
Why Bargainspricer for Flights to ONT
New Deals Everyday
Never miss a deal on ONT flights—we update prices daily to bring you the best airfares.
Best Travel Options
Compare hundreds of ONT flights and find the best deals without any added service charges.