Question 1

What are the most popular routes to and from Chicago?

Accepted Answer

Travelers frequently search for route combinations, such as Chicago and London, Manchester, Athens, Dublin, New York, Las Vegas, Vilnius, Los Angeles, Denver, Orlando, Minneapolis, Barcelona, Austin, Edinburgh, San Francisco, Paris, Nashville, Atlanta, Glasgow, Riga.

Question 2

What are the most popular routes to and from Ontario?

Accepted Answer

Travelers frequently search for route combinations, such as Ontario and London, New York, Bangkok, San Francisco, Denver, Sacramento, Taipei, Manila, Toronto, Calgary, Seattle, Las Vegas, San Jose, Orlando, Houston, Macau, Los Angeles, Washington, D.C., Guadalajara, Detroit.

Question 3

Which airports are there in Chicago?

Accepted Answer

Chicago is mainly served by O Hare International. But there are other airports nearby, including Chicago Midway International, Chicago Rockford International.

Question 4

What airports are near Chicago?

Accepted Answer

The main airport in Chicago is O Hare International. It is also served by Gerald R. Ford International, General Mitchell International, Dane County Regional, South Bend International, Fort Wayne International, General Wayne A. Downing Peoria International, Quad City International, Central Illinois Regional, Muskegon County, University of Illinois Willard.

Question 5

What airports are near Ontario?

Accepted Answer

The main airport in Ontario is Ontario International. It is also served by Tijuana International, San Diego International, Ontario International, John Wayne, Hollywood Burbank, Palm Springs International, Santa Barbara Municipal, Long Beach, Meadows Field, Imperial County.

Question 6

Is it possible to combine flights, buses, and trains in one itinerary when traveling between Chicago and Ontario?

Accepted Answer

Yes, it's possible to combine different modes of transport between Chicago and Ontario thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Chicago and Ontario can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.

Question 7

What is Virtual Interlining and how do I use it?

Accepted Answer

Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.

Question 8

Which airlines fly between Chicago and Ontario?

Accepted Answer

Currently, you can fly between Chicago and Ontario with Alaska Airlines, United Airlines.

Question 9

When's the best time to travel between Chicago and Ontario?

Accepted Answer

If you don’t have specific dates for your trip between Chicago and Ontario, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book 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.

Question 10

What flights operate between Chicago and Ontario?

Accepted Answer

Traveling between Chicago and 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, and the duration of the stopover. What's more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

Question 11

How many airports are there near Chicago?

Accepted Answer

There are a number of airports in and around Chicago. The main one is O Hare International and other nearby airports include Gerald R. Ford International, General Mitchell International, Dane County Regional, South Bend International, Fort Wayne International, General Wayne A. Downing Peoria International, Quad City International, Central Illinois Regional, Muskegon County, University of Illinois Willard

Question 12

How many airports are there near Ontario?

Accepted Answer

There are a number of airports in and around Ontario. The main one is Ontario International and other nearby airports include Tijuana International, San Diego International, Ontario International, John Wayne, Hollywood Burbank, Palm Springs International, Santa Barbara Municipal, Long Beach, Meadows Field, Imperial County.

Question 13

What time do nonstop (direct) flights between Chicago and Ontario depart?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Chicago, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 14

What time do nonstop (direct) flights between Chicago and Ontario arrive?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Ontario, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Question 15

What time do flights between Chicago and Ontario depart?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Chicago, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 16

What time do flights between Chicago and Ontario arrive?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Ontario, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Cheapest one-way trip	£126
Cheapest round-trip	£292
Average round-trip	£473
Most popular airline	Alaska Airlines

Name	Carrier code	IATA Code	Passport needed during booking	Online check-in available
Alaska Airlines	ASA	AS	No	Opens 24 days before flight Closes 1 hours before flight
United Airlines	UAL	UA	Yes	No

1) Have botany classes at the Rancho Santa Ana Botanic Garden in Ontario	Pay $10 for admission at the Rancho Santa Ana Botanic Garden in Ontario and explore the largest botanic garden of California. You may want to try botany classes, or stop by for a free bird walk on the first Sunday and third Saturday of each month.
2) See one of 12 monuments to the pioneer woman in Ontario	When you walk Euclid Avenue in Ontario, come to the Madonna of the Trail, one of 12 monuments around America. It is a dedication to the hardy spirit of the pioneer woman. Take a selfie near the monument as the first photo of this collection.
3) Feel Latin vibes at El Pescador in Ontario	Relax at El Pescador at 636 N Euclid Avenue in Ontario. They order classic chimichanga or pescador fajitas; the Diablo cocktail with chili and mango will make your evening perfect. If you come on Saturdays and Sundays, you will enjoy live Latin music.

Month	Average monthly max temperature	Average monthly min temperature
January	18°C	7°C
February	18°C	7°C
March	20°C	8°C
April	23°C	10°C
May	25°C	13°C
June	29°C	16°C
July	33°C	19°C
August	33°C	20°C
September	32°C	18°C
October	27°C	15°C
November	22°C	10°C
December	17°C	7°C

Cheap flights from Chicago, IL to Ontario, CA

Tips to know when travelling to Ontario

Cheapest one-way trip

Cheapest round-trip

Average round-trip

Most popular airline

Search by stops

Search by carrier

Search by price

Search by departure date

One-way trips

Round trips

Check-in for a flight from Chicago to Ontario

Ontario travel tips

Weather in Ontario

Average Weather

14 day forecast

Frequently asked questions

Explore alternative trips

Flights from Chicago

Flights to Ontario

Popular routes

The nearest countries with flights to Ontario

Other destination countries from Chicago

Airports near Chicago

Airports near Ontario

Kiwi.com: the best free travel app for Android and iPhone

Company

Platform

Features

Discover