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Good to Know: Cheapest and Fastest Flights from ONT
Useful information for finding cheap flights from Ontario International and booking your next trip
Cheapest Round Trip Flight
$550
Southwest Airlines
• 2 stops
• 47h 10m
Dec 13 – Jan 13
The cheapest round trip flight from Ontario to Belize City (ONT-BZE-ONT) is currently $550
Cheapest One way Flight
$165
Delta Airlines
• 1 stop
• 15h 35m
Sep 12
The cheapest one way flight from Ontario to New York (ONT-LGA) is currently $165
Cheapest Direct Flight
$242
Southwest Airlines
• nonstop
• 5h 5m
Sep 17
The cheapest nonstop flight from Ontario to Houston (ONT-HOU) is currently $242
Fastest Flight
4h 9m
The fastest nonstop flight from Ontario to Seattle (ONT-SEA) takes 4h 9m
Top Airlines Flying from Ontario International (ONT)
Most Recent Flight Deals from Ontario Now!
Compare and book low fare round-trip air tickets from Ontario. Ideal for travelers with confirmed return itineraries.
Dec 13 - Jan 13, Economy
Ontario → Belize City
47h 10m
7:30 AM - 2:00 PM • 2 stops
Ontario → Belize City
15h 55m
2:25 PM - 10:20 PM • 1 stop
Southwest Airlines
Dec 13 - Jan 13, Economy
Ontario → Belize City
35h 15m
2:45 PM - 2:00 PM • 2 stops
Ontario → Belize City
15h 55m
2:25 PM - 10:20 PM • 1 stop
Southwest Airlines
Dec 13 - Jan 13, Economy
Ontario → Belize City
45h 55m
8:05 AM - 2:00 PM • 2 stops
Ontario → Belize City
15h 55m
2:25 PM - 10:20 PM • 1 stop
Southwest Airlines
Dec 13 - Jan 13, Economy
Ontario → Belize City
35h 15m
2:45 PM - 2:00 PM • 2 stops
Ontario → Belize City
40h 20m
2:25 PM - 12:45 PM • 3 stops
Southwest Airlines
Dec 13 - Jan 13, Economy
Ontario → Belize City
10h 51m
5:45 AM - 2:36 PM • 1 stop
Ontario → Belize City
8h 48m
9:50 AM - 1:18 PM • nonstop
United Airlines
Explore competitive one-way airfare options from Ontario. Best suited for flexible or open-ended travel plans.
Access real-time availability on last-minute departures from Ontario. Tailored for urgent or short-notice travel requirements.
Discover direct flight options from Ontario (ONT). Save time by avoiding layovers and reaching your destination directly.
Sep 17 - Sep 20, Economy
Ontario → Houston
5h 5m
11:00 AM - 4:05 PM • nonstop
Ontario → Houston
5h 25m
5:10 PM - 6:35 PM • nonstop
Southwest Airlines
Aug 30 - Sep 06, Economy
Ontario → Seattle
4h 17m
6:20 AM - 9:17 AM • nonstop
Ontario → Seattle
4h 3m
9:59 AM - 12:42 PM • nonstop
Delta Airlines
Aug 30 - Sep 06, Economy
Ontario → Seattle
4h 9m
6:01 PM - 8:50 PM • nonstop
Ontario → Seattle
4h 8m
12:36 PM - 3:24 PM • nonstop
Delta Airlines
Aug 30 - Sep 06, Economy
Ontario → Seattle
4h 14m
11:56 AM - 2:50 PM • nonstop
Ontario → Seattle
4h 9m
6:15 PM - 9:04 PM • nonstop
Delta Airlines
Oct 29 - Mar 12, Economy
Ontario → Manila
25h 30m
11:10 PM - 5:40 AM • nonstop
Ontario → Manila
20h 55m
11:10 AM - 8:05 AM • nonstop
Philippine Airlines
FAQs on Flights from Ontario (ONT)
Which airlines fly from Ontario?
Airlines flying the most from Ontario (ONT)
What are the most popular destination from Ontario ( ONT )?
Travelers frequently travel to Houston, New York, Seattle, Springfield, Guadalajara, Belize City, Manila from Ontario
Airport Information: Ontario International (ONT)
- IATA Code
- ONT
- Name
- Ontario International
- City
- Ontario
- Country
- US
- Latitude
- 34.055999755859375
- Longitude
- -117.60099792480469
More Flight Options from Ontario, ONT
Flights from Ontario (ONT)
to Oakland (OAK)
Flights from Ontario (ONT)
to Las Vegas (LAS)
Flights from Ontario (ONT)
to Las Vegas (LAS)
Flights from Ontario (ONT)
to Guatemala City (GUA)
Flights from Ontario (ONT)
to Guatemala City (GUA)
Flights from Ontario (ONT)
to Dallas (DFW)
Flights from Ontario (ONT)
to Dallas (DFW)
Flights from Ontario (ONT)
to Seattle (SEA)
Flights from Ontario (ONT)
to Seattle (SEA)
Flights from Ontario (ONT)
to Chicago (ORD)
Flights from Ontario (ONT)
to Chicago (ORD)
Flights from Ontario (ONT)
to San Jose (SJC)
Flights from Ontario (ONT)
to New York (LGA)
Flights from Ontario (ONT)
to New York (LGA)
Flights from Ontario (ONT)
to Albuquerque (ABQ)
Flights from Ontario (ONT)
to Albuquerque (ABQ)
Flights from Ontario (ONT)
to Charlotte (CLT)
Flights from Ontario (ONT)
to Charlotte (CLT)
Flights from Ontario (ONT)
to Guadalajara (GDL)
Flights from Ontario (ONT)
to Guadalajara (GDL)
Flights from Las Vegas (LAS)
to Ontario (ONT)
Flights from Las Vegas (LAS)
to Ontario (ONT)
Flights from Seattle (SEA)
to Ontario (ONT)
Flights from Seattle (SEA)
to Ontario (ONT)
Flights from Dallas (DFW)
to Ontario (ONT)
Flights from Dallas (DFW)
to Ontario (ONT)
Flights from Portland (PDX)
to Ontario (ONT)
Flights from Portland (PDX)
to Ontario (ONT)
Flights from Sacramento (SMF)
to Ontario (ONT)
Flights from Sacramento (SMF)
to Ontario (ONT)
Flights from New York (JFK)
to Ontario (ONT)
Flights from Denver (DEN)
to Ontario (ONT)
Flights from Denver (DEN)
to Ontario (ONT)
Flights from Washington (DCA)
to Ontario (ONT)
Flights from Washington (DCA)
to Ontario (ONT)
Flights from Newark (EWR)
to Ontario (ONT)
Flights from Houston (HOU)
to Ontario (ONT)
Flights from New York (LGA)
to Ontario (ONT)
Flights from New York (LGA)
to Ontario (ONT)
Flights from Chicago (ORD)
to Ontario (ONT)
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