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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

$259

F9 Frontier Airlines • 1 stop • 15h 25m

Sep 17 – Sep 19

The cheapest round trip flight from Ontario to Atlanta (ONT-ATL-ONT) is currently $259

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Cheapest One way Flight

$119

WN Southwest Airlines • 2 stops • 23h 20m

Sep 23

The cheapest one way flight from Ontario to DJT (ONT-DJT) is currently $119

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Cheapest Direct Flight

$195

WN Southwest Airlines • nonstop • 4h 15m

Sep 19

The cheapest nonstop flight from Ontario to Dallas (ONT-DAL) is currently $195

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Fastest Flight

4h 5m

The fastest nonstop flight from Ontario to Everett (ONT-PAE) takes 4h 5m

Top Airlines Flying from Ontario International (ONT)

Delta Airline, DL

Delta Airlines

Alaska Airlines -AS

Alaska Airlines

Southwest Airlines-WN

Southwest Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Aeromexico Airline (AM)

Aeromexico

Avianca Airline - AV

Avianca

Turkish Airlines - TK

Turkish Airlines

Air Canada-AC

Air Canada

WestJet Airlines

WestJet Airlines

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.

Sep 17 - Sep 19, Economy
F9
Ontario → Atlanta
15h 25m
11:45 AM - 12:10 AM • 1 stop
F9
Ontario → Atlanta
10h 49m
6:41 AM - 10:30 AM • 1 stop
$259
Frontier Airlines
Sep 17 - Sep 19, Economy
AS
Ontario → Atlanta
13h 54m
7:59 PM - 7:33 AM • 1 stop
AS
Ontario → Atlanta
19h
9:03 AM - 5:43 PM • 1 stop
$294
Alaska Airlines
Sep 17 - Sep 19, Economy
DL
Ontario → Atlanta
6h 50m
7:05 AM - 2:15 PM • nonstop
DL
Ontario → Atlanta
7h 20m
8:15 AM - 9:55 AM • nonstop
$352
Delta Airlines
Sep 17 - Sep 19, Economy
AS
Ontario → Atlanta
30h 23m
7:59 PM - 5:22 PM • 1 stop
AS
Ontario → Atlanta
19h
9:03 AM - 5:43 PM • 1 stop
$457
Alaska Airlines
Sep 17 - Sep 19, Economy
AS
Ontario → Atlanta
21h 59m
3:14 PM - 7:33 AM • 1 stop
AS
Ontario → Atlanta
15h 54m
9:03 AM - 3:57 PM • 1 stop
$457
Alaska Airlines
Sep 17 - Sep 19, Economy
AS
Ontario → Atlanta
16h 52m
10:47 AM - 11:59 PM • 2 stops
AS
Ontario → Atlanta
19h
9:03 AM - 5:43 PM • 1 stop
$475
Alaska Airlines

Affordable Worldwide Flights from Ontario International (ONT)

Looking for cheap last-minute flight deals or the best round-trip flight from Ontario? Find the biggest savings on one-way and round-trip tickets right here. Search and compare low-cost domestic airfares and international flight deals from ONT to all the popular destinations of the world using our flight search and compare platform. Some top destinations where people fly most from Ontario are Las Vegas, Las Vegas, Charlotte, Charlotte, New York and more.

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 Atlanta, Dallas, Chicago, Seattle, Mexico City, Everett 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

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