Question 1

How long does it take to travel from Ontario to Chicago?

Accepted Answer

A one-way nonstop (direct) flight between Ontario and Chicago takes around 6.5 hours.

Question 2

What is the flight distance between Ontario and Chicago?

Accepted Answer

The flight distance between Ontario and Chicago is 2733 km.

Question 3

What airlines offer nonstop (direct) flights between Ontario and Chicago?

Accepted Answer

Several carriers operate flights between Ontario and Chicago. Airlines offering nonstop (direct) flights include United Airlines.

Question 4

What are the most popular routes to and from Ontario?

Accepted Answer

Travelers frequently search for route combinations, such as Ontario and Guadalajara, London, Dallas, Seattle, Las Vegas, San Francisco, Mexico City, Houston, Sacramento, Denver, Honolulu, New York, Portland, Washington, D.C., Toronto, Orlando, Cancún, Veracruz, Manila, Edmonton.

Question 5

What are the most popular routes to and from Chicago?

Accepted Answer

Travelers frequently search for route combinations, such as Chicago and London, Mexico City, New York, Guadalajara, Edinburgh, Dallas, Manchester, Morelia, Atlanta, Los Angeles, Houston, León, Leeds, Orlando, San Francisco, Philadelphia, Tampa, Miami, Monterrey, Birmingham.

Question 6

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, John Wayne, Ontario International, Hollywood Burbank, Palm Springs International, Santa Barbara Municipal, Imperial County, McClellan–Palomar, Long Beach.

Question 7

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, Dane County Regional, South Bend International, General Mitchell International, Fort Wayne International, Quad City International, General Wayne A. Downing Peoria International, Central Illinois Regional, Muskegon County, Kalamazoo/Battle Creek International.

Question 8

Which airlines fly between Ontario and Chicago?

Accepted Answer

Currently, you can fly between Ontario and Chicago with Frontier Airlines, Volaris, Alaska Airlines, Allegiant Air, United Airlines.

Question 9

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

Accepted Answer

If you don’t have specific dates for your trip between Ontario and Chicago, 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 Ontario and Chicago?

Accepted Answer

Traveling between Ontario and Chicago, 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 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, John Wayne, Ontario International, Hollywood Burbank, Palm Springs International, Santa Barbara Municipal, Imperial County, McClellan–Palomar, Long Beach

Question 12

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, Dane County Regional, South Bend International, General Mitchell International, Fort Wayne International, Quad City International, General Wayne A. Downing Peoria International, Central Illinois Regional, Muskegon County, Kalamazoo/Battle Creek International.

Question 13

What time do nonstop (direct) flights between Ontario and Chicago 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 Ontario, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 14

What time do nonstop (direct) flights between Ontario and Chicago 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 Chicago, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Question 15

What time do flights between Ontario and Chicago 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 Ontario, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 16

What time do flights between Ontario and Chicago 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 Chicago, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Cheapest one-way trip	£178
Cheapest nonstop round-trip	£438
Cheapest round-trip	£331
Average round-trip	£351
Includes rare itinerary	Travel hack

Transport Option	Typical Time	Typical Cost	Frequency	Best For
CTA Blue Line to downtown	40-50 min	$5; standard fare	every 5–10 min (traffic dependent)	budget travelers to Loop
Pace Bus 250 to Metra	60-90 min	$2 – $5; combined bus and Metra fare	every 20–30 min (traffic dependent)	northwest suburbs connection
Taxi to downtown	35-70 min	$45 – $65; metered; varies by traffic	on-demand 24/7 (traffic dependent)	door-to-door with luggage
Ride-hailing (Uber/Lyft)	35-70 min	$35 – $75; surge pricing may apply	on-demand 24/7 (traffic dependent)	app-based convenience
Private transfer/shuttle	35-70 min	$60 – $120; pre-booked; fixed rate	by reservation (traffic dependent)	groups or business travel

Transport Option	Typical Time	Typical Cost	Frequency	Best For
CTA Orange Line to downtown	25-30 min	$5; standard fare	every 6–12 min (traffic dependent)	quick access to Loop
Taxi to downtown	20-45 min	$30 – $45; metered; varies by traffic	on-demand 24/7 (traffic dependent)	door-to-door convenience
Ride-hailing (Uber/Lyft)	20-45 min	$25 – $50; surge pricing may apply	on-demand 24/7 (traffic dependent)	flexible pickup location

Airline	Mon 29.06	Tue 30.06	Wed 01.07	Thu 02.07	Fri 03.07	Sat 04.07	Sun 05.07
United Airlines	2	2	2	2	2	1	2
Weekly flights: 13 total	Daily flights: 1.86 average	Most flights: Monday 2 flights

Airline	Mon 06.07	Tue 07.07	Wed 08.07	Thu 09.07	Fri 10.07	Sat 11.07	Sun 12.07
United Airlines	2	2	2	2	2	1	2
Weekly flights: 13 total	Daily flights: 1.86 average	Most flights: Monday 2 flights

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Company

Platform

Features

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Name	Carrier code	IATA Code	Passport needed during booking
Frontier Airlines	FFT	F9	No
Volaris	VOI	Y4	No
Alaska Airlines	ASA	AS	No
Allegiant Air	AAY	G4	No
United Airlines	UAL	UA	No

Month	Average monthly max temperature	Average monthly min temperature
January	-1°C	-6°C
February	0°C	-5°C
March	6°C	0°C
April	11°C	5°C
May	17°C	10°C
June	22°C	16°C
July	26°C	20°C
August	25°C	19°C
September	22°C	16°C
October	15°C	10°C
November	8°C	3°C
December	2°C	-1°C