Cheap flights to Ontario, CA

Travel > North America > United States > Ontario, CA flights

Looking for cheap flights to Ontario, CA? We have several useful tools to help you find the flight offer you are looking for. You can enter your search details into the box on the left and compare the current prices of our providers. You can also browse the table below containing the cheapest flights to Ontario, CA found by Travelgrove users for the next 6 months. Scrolling down you will find one more handy info box with the most recently found Ontario, CA flight offers. Check the page from top to bottom and pick the flight that suits you best!

Check current prices for flights to Ontario, CA at our partners' sites:

Search and Compare cheap Flights

Enter your travel details:Step 1









Select merchants to compare:Step 2
Travelgrove
 

Cheapest flights found for the next 6 months

(click city name to see more / use right arrow to view later months)
From
JunJulAugSepOctNovDecJanFebMarAprMay
$58$48check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
$65$489check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
$237$308$208check
fares
check
fares
$138check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
$158$190check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
$694$638$199check
fares
$194check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
$228check
fares
$201check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
$242check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
$569$258check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
$418$268check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
$268$331check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
$295$428check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
$307check
fares
check
fares
check
fares
check
fares
$835check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
$337$408check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
$358check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
$393check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
$492$466check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
$468check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
$818$534$1742check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
$914$548check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
$566$569$682check
fares
check
fares
$631check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
$569check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
$612check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
$914check
fares
$879check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
$926check
fares
$900check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
check
fares
            
more
Las Vegas 
San Francisco 
Dallas 
Denver 
San Antonio 
Phoenix 
Salt Lake City 
Chicago 
Minneapolis 
Atlanta 
Baltimore 
Orlando 
Portland 
Seattle 
Oakland 
Sacramento 
Houston 
Washington DC 
Omaha 
Philadelphia 
Detroit 
Austin 
Newark 
New York City 
Toronto 
Memphis 
more cities 

Didn't have an exact departure location, just looking for the cheapest price? Browse our cheap flights state directory:

Check our newest flight offers to Ontario, CA:

  • $48Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Las Vegas, NV (LAS)Ontario, CA (ONT)07/12/202301:10 pm
    Ontario, CA (ONT)Las Vegas, NV (LAS)07/26/202303:06 pm
    cheapoair.com check price
  • $65Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    San Francisco, CA (SFO)Ontario, CA (ONT)06/27/202310:12 am
    Ontario, CA (ONT)San Francisco, CA (SFO)07/12/202312:22 pm
    cheapoair.com check price
  • $138Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Fort Worth/Dallas, TX (DFW)Ontario, CA (ONT)11/04/202311:32 pm
    Ontario, CA (ONT)Fort Worth/Dallas, TX (DFW)11/09/202301:35 pm
    cheapoair.com check price
  • $158Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Denver, CO (DEN)Ontario, CA (ONT)06/27/202310:05 am
    Ontario, CA (ONT)Denver, CO (DEN)07/03/202305:15 am
    cheapoair.com check price
  • $194Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    San Antonio, TX (SAT)Ontario, CA (ONT)10/10/202307:59 pm
    Ontario, CA (ONT)San Antonio, TX (SAT)10/17/202303:43 pm
    cheapoair.com check price
Ontario, CA travel guides

Travel information that may interest you

Ontario Nightlife

 If you are on the lookout for hassle free and secure nightlife entertainment, Ontario is the right choice for you. Ontario may be said to be a city which never sleeps. Its streets are dotted with different types of nightlife entertainment options fitting the budget of almost all curious visitors. It has an international repute of being visited by various renowned personalities from across the globe. Music, which accompanies nightlife activities of the city, is invigorating and equally brimming are the bars and restaurants of different origins [...]

cheap domestic and international flights

Recently found cheap flight deals

Spirit AirlinesAtlantic City To Atlanta Spirit Airlines airfares from Atlantic City in July
$267 Depart: 07/26/2023
Return: 08/15/2023

provided by Cheapoair.com

Alaska AirlinesLittle Rock To Orlando Alaska Airlines airfares from Little Rock in December
$3278 Depart: 12/26/2019
Return: 12/31/2019

provided by FlyFar

Multiple AirlinesBoston To Portland Multiple Airlines airfares from Boston in July
$807 Depart: 07/05/2023
Return: 07/12/2023

provided by Cheapoair.com

Multiple AirlinesAtlanta To Rome Multiple Airlines airfares from Atlanta in February
$1352 Depart: 02/14/2023
Return: 02/19/2023

provided by Cheapoair.com

Multiple AirlinesFort Mcmurray To Calgary Multiple Airlines airfares from Fort Mcmurray in August
$374 Depart: 08/22/2023
Return: 09/05/2023

provided by Cheapoair.com

Multiple AirlinesWashington DC To Accra Multiple Airlines airfares from Washington DC in July
$1928 Depart: 07/23/2023
Return: 08/06/2023

provided by Cheapoair.com

Multiple AirlinesPortland To Lima Multiple Airlines airfares from Portland in June
$888 Depart: 06/26/2023
Return: 07/05/2023

provided by Cheapoair.com

Alaska AirlinesKansas City To Jacksonville Alaska Airlines airfares from Kansas City in August
$2918 Depart: 08/02/2020
Return: 08/13/2020

provided by FlyFar

Alaska AirlinesPortland To Jacksonville Alaska Airlines airfares from Portland in August
$605 Depart: 08/28/2021
Return: 09/04/2021

provided by Cheapoair.com

 

Specify your search details. Browse the cheapest flights to Ontario, CA, Ontario, CA hotel rooms and Ontario, CA vacation packages from the most popular providers, airline consolidators and travel search engines.

   Welcome to Travelgrove  register tell a friend bookmark it 
 
This airfare deal was found   ago. Click "Check price" to see current prices!
*