Book cheap flights fast with idealo

Save time & money: find cheap flights fast

Easy to use: filter & sort to find the best flight

Free to use: compare offers & book flights

Our cheapest offers for flights from Ontario

Here you can compare cheap flights from Ontario (ONT) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search from Ontario. Prices and availability may change at any time.

Flights from Ontario (ONT) to United States

	Outbound	Return	Airlines	Shop	Baggage	Price
Best option Ontario San Francisco	Outbound 12/13/24 direct F92677 01h 26min	Return 12/31/24 direct F92678 01h 21min	Frontier Airlines			$62
Ontario Miami	Outbound 12/13/24 2 Stopovers (DEN, MDW) UA2357, F92210, F92110 40h 02min	Return 12/31/24 2 Stopovers (ATL, IAH) F92483, F91403, F93131 35h 42min	United Airlines, Frontier Airlines		?	$450

Flights from Ontario (ONT) to San Francisco (SFO)

	Outbound	Return	Airlines	Shop	Baggage	Price
Best option Ontario San Francisco	Outbound 12/13/24 direct F92677 01h 26min	Return 12/31/24 direct F92678 01h 21min	Frontier Airlines			$62
Ontario San Francisco	Outbound 12/13/24 direct F92677 01h 26min	Return 12/31/24 direct F92678 01h 21min	Frontier Airlines			$68

Flights from Ontario (ONT) to Miami (MIA)

	Outbound	Return	Airlines	Shop	Baggage	Price
Ontario Miami	Outbound 12/13/24 2 Stopovers (DEN, MDW) UA2357, F92210, F92110 40h 02min	Return 12/31/24 2 Stopovers (ATL, IAH) F92483, F91403, F93131 35h 42min	United Airlines, Frontier Airlines		?	$450
Best option Ontario Miami	Outbound 12/13/24 1 Stopover (PHX) AA1792, AA2243 06h 53min	Return 12/31/24 1 Stopover (PHX) AA0457, AA3969 20h 55min	American Airlines		?	$500

Flights from Ontario (ONT) to Las Vegas (LAS)

	Outbound	Return	Airlines	Shop	Baggage	Price
Best option Ontario Las Vegas	Outbound 12/13/24 direct F94206 01h 10min	Return 12/31/24 direct F94205 01h 09min	Frontier Airlines		?	$49
Ontario Las Vegas	Outbound 12/13/24 direct F94206 01h 10min	Return 12/31/24 direct F94757 01h 06min	Frontier Airlines			$60

Flights from Ontario (ONT) to Phoenix - Sky Harbor (PHX)

	Outbound	Return	Airlines	Shop	Baggage	Price
Best option Ontario Phoenix - Sky Harbor	Outbound 12/13/24 direct F92404 01h 28min	Return 12/31/24 direct F91625 01h 14min	Frontier Airlines			$79
Ontario Phoenix - Sky Harbor	Outbound 12/13/24 direct F92404 01h 28min	Return 12/31/24 direct F91625 01h 14min	Frontier Airlines		?	$83

Flights from Ontario (ONT) to Germany

	Outbound	Return	Airlines	Shop	Baggage	Price
Ontario Frankfurt	Outbound 12/13/24 1 Stopover (DFW) AA3180, AA0070 14h 59min	Return 12/31/24 2 Stopovers (CLT, PHX) AA0705, AA3081, AA1302 31h 48min	American Airlines		?	$1,048
Best option Ontario Munich	Outbound 12/13/24 1 Stopover (CLT) AA0686, AA0716 16h 10min	Return 12/31/24 1 Stopover (CLT) AA0717, AA2276 19h 17min	American Airlines		?	$1,254

Flights from Ontario (ONT) to Mexico

	Outbound	Return	Airlines	Shop	Baggage	Price
Best option Ontario Guadalajara	Outbound 12/13/24 direct Y41861 02h 59min	Return 12/31/24 direct Y41864 03h 21min	Volaris			$445
Ontario Cancun	Outbound 12/13/24 2 Stopovers (LAS, ATL) F92232, F91116, F90103 36h 36min	Return 12/31/24 1 Stopover (DFW) F90083, F91405 20h 03min	Frontier Airlines			$338

Flights from Ontario (ONT) to Atlanta (ATL)

	Outbound	Return	Airlines	Shop	Baggage	Price
Best option Ontario Atlanta	Outbound 12/13/24 1 Stopover (LAS) F92232, F91116 13h 17min	Return 12/31/24 1 Stopover (IAH) F92399, F93131 29h 14min	Frontier Airlines		?	$186
Ontario Atlanta	Outbound 12/13/24 1 Stopover (LAS) F92232, F91116 13h 17min	Return 12/31/24 1 Stopover (IAH) F92399, F93131 29h 14min	Frontier Airlines		?	$207

Flights from Ontario (ONT) to Cancun (CUN)

	Outbound	Return	Airlines	Shop	Baggage	Price
Ontario Cancun	Outbound 12/13/24 2 Stopovers (LAS, ATL) F92232, F91116, F90103 36h 36min	Return 12/31/24 1 Stopover (DFW) F90083, F91405 20h 03min	Frontier Airlines			$338
Ontario Cancun	Outbound 12/13/24 2 Stopovers (LAS, ATL) F92232, F91116, F90103 36h 36min	Return 12/31/24 1 Stopover (DFW) F90083, F91405 20h 03min	Frontier Airlines			$349

Flights from Ontario (ONT) to Dallas (DFW)

	Outbound	Return	Airlines	Shop	Baggage	Price
Ontario Dallas	Outbound 12/13/24 1 Stopover (PHX) F92404, F92532 10h 58min	Return 12/31/24 direct F91405 03h 02min	Frontier Airlines			$142
Best option Ontario Dallas	Outbound 12/13/24 direct F91406 03h 14min	Return 12/31/24 direct F91405 03h 02min	Frontier Airlines			$227

Flights from Ontario (ONT) to Frankfurt (FRA)

	Outbound	Return	Airlines	Shop	Baggage	Price
Ontario Frankfurt	Outbound 12/13/24 1 Stopover (DFW) AA3180, AA0070 14h 59min	Return 12/31/24 2 Stopovers (CLT, PHX) AA0705, AA3081, AA1302 31h 48min	American Airlines		?	$1,048
Ontario Frankfurt	Outbound 12/13/24 2 Stopovers (DFW, LHR) BA5109, BA1505, BA0912 23h 59min	Return 12/31/24 2 Stopovers (LHR, DFW) BA0901, BA0193, BA2430 39h 18min	British Airways		?	$1,228

Flights from Ontario (ONT) to Guadalajara (GDL)

	Outbound	Return	Airlines	Shop	Baggage	Price
Best option Ontario Guadalajara	Outbound 12/13/24 direct Y41861 02h 59min	Return 12/31/24 direct Y41864 03h 21min	Volaris			$445
Ontario Guadalajara	Outbound 12/13/24 direct Y41861 02h 59min	Return 12/31/24 direct Y41864 03h 21min	Volaris			$456

Flights from Ontario (ONT) to New York (LGA)

	Outbound	Return	Airlines	Shop	Baggage	Price
Ontario New York	Outbound 12/13/24 1 Stopover (DEN) F92908, F93162 22h 33min	Return 12/31/24 1 Stopover (DFW) F93423, F91405 11h 07min	Frontier Airlines			$242
Best option Ontario New York	Outbound 12/13/24 1 Stopover (DFW) F91406, F93424 11h 02min	Return 12/31/24 1 Stopover (DFW) F93423, F91405 11h 07min	Frontier Airlines		?	$243

Flights from Ontario (ONT) to Munich (MUC)

	Outbound	Return	Airlines	Shop	Baggage	Price
Best option Ontario Munich	Outbound 12/13/24 1 Stopover (CLT) AA0686, AA0716 16h 10min	Return 12/31/24 1 Stopover (CLT) AA0717, AA2276 19h 17min	American Airlines		?	$1,254
Ontario Munich	Outbound 12/13/24 2 Stopovers (PHX, CLT) AA0643, AA1661, AA0716 16h 20min	Return 12/31/24 2 Stopovers (LHR, CLT) AA6614, AA0735, AA2276 37h 47min	American Airlines		?	$1,393

Departure airport

Ontario-CA

Destination country

Destination airport

Stops

Direct flight

Airline

United Airlines
American Airlines
Frontier Airlines
British Airways
Alaska Airlines

Flight type

Return

Outbound departure month

December 2024

Return departure month

December 2024

Most frequent connection to Ontario:

Privacy | | About / Terms and conditions

* Prices may vary, please check the travel details given by the online travel agency before booking. Prices include taxes.

Flights from Ontario

Book cheap flights fast with idealo

Our cheapest offers for flights from Ontario

Ontario-CA

Most frequent connection to Ontario: