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
$535
Southwest Airlines
• 1 stop
• 15h 15m
Jun 30 – Jul 07
The cheapest round trip flight from Birmingham to Ontario (BHM-ONT-BHM) is currently $535
Cheapest One way Flight
$460
American Airlines
• 1 stop
• 10h 29m
Jun 30
The cheapest one way flight from Moline to Ontario (MLI-ONT) is currently $460
Cheapest Direct Flight
$499
Delta Airlines
• nonstop
• 2h 30m
Jun 30
The cheapest nonstop flight from Salt Lake City to Ontario (SLC-ONT) is currently $499
Fastest Flight
2h 30m
The fastest nonstop flight from Salt Lake City to Ontario (SLC-ONT) takes 2h 30m
Top Airlines Flying to Ontario International (ONT)
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.
Jun 30 - Jul 07, Economy
Birmingham → Ontario
15h 15m
5:25 AM - 12:40 PM • 1 stop
Birmingham → Ontario
13h 50m
1:15 PM - 11:45 PM • 1 stop
Southwest Airlines
Jun 30 - Jul 07, Economy
Birmingham → Ontario
18h 50m
10:50 AM - 8:20 PM • 1 stop
Birmingham → Ontario
22h 10m
8:10 AM - 11:40 PM • 2 stops
Southwest Airlines
Jun 30 - Jul 07, Economy
Birmingham → Ontario
20h 30m
12:05 PM - 10:35 PM • 1 stop
Birmingham → Ontario
22h 10m
8:10 AM - 11:40 PM • 2 stops
Southwest Airlines
Jun 30 - Jul 07, Economy
Birmingham → Ontario
10h 40m
10:50 AM - 3:30 PM • 1 stop
Birmingham → Ontario
11h 50m
6:35 AM - 3:45 PM • 1 stop
Southwest Airlines
Jun 30 - Jul 07, Economy
Birmingham → Ontario
10h
6:15 PM - 10:15 PM • 1 stop
Birmingham → Ontario
20h 35m
8:00 AM - 10:35 PM • 1 stop
Southwest 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.
Jun 30 - Jul 07, Economy
Birmingham → Ontario
15h 15m
5:25 AM - 12:40 PM • 1 stop
Birmingham → Ontario
13h 50m
1:15 PM - 11:45 PM • 1 stop
Southwest Airlines
Jun 30 - Jul 07, Economy
Birmingham → Ontario
18h 50m
10:50 AM - 8:20 PM • 1 stop
Birmingham → Ontario
22h 10m
8:10 AM - 11:40 PM • 2 stops
Southwest Airlines
Jun 30 - Jul 07, Economy
Birmingham → Ontario
20h 30m
12:05 PM - 10:35 PM • 1 stop
Birmingham → Ontario
22h 10m
8:10 AM - 11:40 PM • 2 stops
Southwest Airlines
Jun 30 - Jul 07, Economy
Birmingham → Ontario
10h 40m
10:50 AM - 3:30 PM • 1 stop
Birmingham → Ontario
11h 50m
6:35 AM - 3:45 PM • 1 stop
Southwest Airlines
Jun 30 - Jul 07, Economy
Birmingham → Ontario
10h
6:15 PM - 10:15 PM • 1 stop
Birmingham → Ontario
20h 35m
8:00 AM - 10:35 PM • 1 stop
Southwest 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.
Jun 30 - Jul 05, Economy
Salt Lake City → Ontario
2h 30m
10:59 PM - 11:49 PM • nonstop
Salt Lake City → Ontario
2h 36m
5:21 PM - 8:17 PM • nonstop
Delta Airlines
Jun 30 - Jul 05, Economy
Salt Lake City → Ontario
2h 36m
3:45 PM - 4:41 PM • nonstop
Salt Lake City → Ontario
2h 36m
5:21 PM - 8:17 PM • nonstop
Delta Airlines
Nov 08 - Nov 24, Economy
Dallas → Ontario
5h 24m
10:29 AM - 11:53 AM • nonstop
Dallas → Ontario
5h 3m
4:47 PM - 9:50 PM • nonstop
American Airlines
Oct 31 - Nov 11, Economy
Denver → Ontario
3h 40m
7:40 PM - 9:00 PM • nonstop
Denver → Ontario
3h 35m
1:50 PM - 5:05 PM • nonstop
Southwest Airlines
Oct 31 - Nov 11, Economy
Denver → Ontario
3h 40m
8:45 AM - 10:05 AM • nonstop
Denver → Ontario
3h 35m
6:50 AM - 10:05 AM • nonstop
Southwest Airlines
FAQs on Flights to Ontario (ONT)
Which airlines fly to Ontario?
Airlines flying the most to Ontario (ONT)
What is the cheapest flight to ONT Airport?
In the past couple of days, the cheapest tickets to ONT were found on AS : USD 702
What are the most popular origin to Ontario (ONT)?
Travelers frequently travel from Birmingham, Denver, Dallas, Moline, New Orleans, Chicago, Salt Lake City to Ontario (ONT)
Airport Information: Ontario International (ONT)
- IATA Code
- ONT
- Name
- Ontario International
- City
- Ontario
- Country
- US
- Latitude
- 34.055999755859375
- Longitude
- -117.60099792480469
More Flight Options to Ontario, CA
Flights from Ontario (ONT)
to Seattle (SEA)
Flights from Ontario (ONT)
to Seattle (SEA)
Flights from Ontario (ONT)
to Las Vegas (LAS)
Flights from Ontario (ONT)
to Las Vegas (LAS)
Flights from Ontario (ONT)
to Honolulu (HNL)
Flights from Ontario (ONT)
to Honolulu (HNL)
Flights from Ontario (ONT)
to Houston (HOU)
Flights from Ontario (ONT)
to St Louis (STL)
Flights from Ontario (ONT)
to St Louis (STL)
Flights from Ontario (ONT)
to Sacramento (SMF)
Flights from Ontario (ONT)
to Sacramento (SMF)
Flights from Ontario (ONT)
to Portland (PDX)
Flights from Ontario (ONT)
to Portland (PDX)
Flights from Ontario (ONT)
to Orlando (MCO)
Flights from Ontario (ONT)
to Orlando (MCO)
Flights from Ontario (ONT)
to Dallas (DFW)
Flights from Ontario (ONT)
to Dallas (DFW)
Flights from Ontario (ONT)
to Knoxville (TYS)
Flights from Ontario (ONT)
to Knoxville (TYS)
Flights from Ontario (ONT)
to Tampa (TPA)
Flights from Denver (DEN)
to Ontario (ONT)
Flights from Denver (DEN)
to Ontario (ONT)
Flights from Orlando (MCO)
to Ontario (ONT)
Flights from Orlando (MCO)
to Ontario (ONT)
Flights from Portland (PDX)
to Ontario (ONT)
Flights from Portland (PDX)
to Ontario (ONT)
Flights from Tampa (TPA)
to Ontario (ONT)
Flights from Tampa (TPA)
to Ontario (ONT)
Flights from Atlanta (ATL)
to Ontario (ONT)
Flights from Atlanta (ATL)
to Ontario (ONT)
Flights from Nashville (BNA)
to Ontario (ONT)
Flights from Nashville (BNA)
to Ontario (ONT)
Flights from Baltimore (BWI)
to Ontario (ONT)
Flights from Baltimore (BWI)
to Ontario (ONT)
Flights from New York (JFK)
to Ontario (ONT)
Flights from Hartford (BDL)
to Ontario (ONT)
Flights from Hartford (BDL)
to Ontario (ONT)
Flights from Kansas City (MCI)
to Ontario (ONT)
Flights from Kansas City (MCI)
to Ontario (ONT)
Flights from Houston (IAH)
to Ontario (ONT)
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