Cheap flights from Ontario International (ONT)

One search, all the flights

One search, all the flights

Kiwi-Code finds cheap flights other sites can’t see.

Safe and effortless booking

Safe and effortless booking

We accept most payment methods and guarantee the highest level of security.

Trusted by millions

Trusted by millions

Join over 10 million yearly travellers booking with ease.

Get to know Ontario International (ONT)

Airport locationOntario, United States
IATA codeONT
ICAO codeKONT
Latitude & longitude34.0561111, -117.60111
Time zoneAmerica/Los_Angeles

Popular destinations from Ontario International (ONT)

Search for more great flight deals to popular destinations from Ontario International (ONT) with Kiwi.com. Compare flight prices on trending routes to find the best places to visit. Ontario International (ONT) offers popular routes for both one-way trips or return journeys to some of the most famous cities in the world. Find amazing prices on the best routes from Ontario International (ONT) when you travel with Kiwi.com.

from £23
from £27
from £27
from £35
from £35
from £35
from £126
See more trending destinations

Other popular flights from Ontario International (ONT)

Ontario International destination map 2024

CountryCityAirportIATA code
United StatesNew YorkJohn F. Kennedy InternationalJFK
United StatesLas VegasHarry Reid International AirportLAS
United StatesSan FranciscoSan Francisco InternationalSFO
United StatesChicagoO Hare InternationalORD
United StatesSeattleSeattle–Tacoma InternationalSEA
United StatesDallasDallas/Fort Worth InternationalDFW
United StatesDenverDenver InternationalDEN
United StatesPhoenixPhoenix Sky Harbor InternationalPHX
United StatesPortlandPortland InternationalPDX
MexicoGuadalajaraGuadalajara InternationalGDL

Frequently asked questions

Find answers to your questions about Ontario International, including cheapest prices, flight times, baggage allowance, flight connections, Kiwi.com Virtual Interlining, airport code, opening times, journey times to and from the airport, classes of flights, easiest routes to and from Ontario International in Ontario and more.

How many airports are there in Ontario?
There is a single airport in Ontario. (Ontario International)
How soon should I arrive at Ontario International before my flight?
We recommend arriving at least two hours before your flight.
Which airport code is Ontario International in Ontario?
The code for Ontario International is ONT.
What airports are close to Ontario International?
Ontario International is close to Tijuana International (178km), San Diego International (152km), John Wayne (49km), Palm Springs International (104km), Hollywood Burbank (72km), Long Beach (57km), Meadows Field (203km), Santa Barbara Municipal (210km), Imperial County (232km).
What is the baggage allowance for a route to or from Ontario?
If you book travel with Kiwi.com, you can set your preferred number of cabin and checked baggage pieces when looking for the most convenient connection to Ontario. Your selected search result will indicate how much baggage you are allowed to bring with you on your journey.
What is the best time to travel to and from Ontario?
If you don’t have specific dates for your trip to Ontario, enter a time range within which you want to search into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book within up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.
What flights operate to and from Ontario?
Traveling to or from Ontario, you can choose between direct, nonstop flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, as well as the duration of the stopover. What’s more, you can also select where you want to have your stopover — want to say hello to a friend in another city en route to your destination? Do a quick round of shopping? — go MultiCity or Nomad and add the places you wish to visit in your search.
What are the most popular routes to and from Ontario?
Travelers frequently search for route combinations, such as Ontario and John F. Kennedy International, Harry Reid International Airport, San Francisco International, O Hare International, Seattle–Tacoma International, Dallas/Fort Worth International, Denver International, Phoenix Sky Harbor International, Portland International, Guadalajara International.
What is Virtual Interlining and how do I use it?
Virtual Interlining provides a revolutionary way of traveling. It allows travelers to combine different modes of transport, such as flights, trains, and buses into one single itinerary, often saving them money. Thanks to the largest carrier database in the world, the Kiwi.com search function enables anyone to easily mix and match different modes of transport.

Top airlines flying to/from Ontario International

Search flights, trains & buses
Find connections from Ontario ONT

Search, compare, and book flights, trains, or buses from Ontario International (ONT).

Search flights, trains & buses

Company

Terms & ConditionsTerms of UsePrivacy PolicyMedia RoomSecurity

Platform

AboutTravel hacksPeopleCompany infoPartnershipJobs

Help & support

Need help?

Features

Sign in / RegisterMobile appSite map

Discover

Cheap flightsCountriesAirportsAirlines
Kiwi.com
We hack the system,
you fly for less