Frontier Airlines Flights From Los Angeles - Ontario Intl. Airport (ONT) from $50

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Frontier Airlines Airlines Flights From Los Angeles - Ontario Intl.

The cheapest prices found with in the last 7 days for return flights were $74 and $50 for one-way flights to for the period specified. Prices and availability are subject to change. Additional terms apply.

Escape From Los Angeles - Ontario Intl. This Weekend

OriginDestinationTravel DatesFlights From*
ONTSan FranciscoJune 6 to June 8$167
ONTPhoenixJune 6 to June 9$206
ONTLas VegasJune 8 to June 9$210
ONTSeattleJune 6 to June 9$211
ONTSalt Lake CityJune 6 to June 8$216
ONTDallasJune 6 to June 13$222
ONTPortlandJune 6 to June 9$233
ONTDenverJune 7 to June 11$273
*Prices include taxes and fees
Frontier Airlines Airports
Hop on a(n) Frontier Airlines flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
DENUSADenver Intl.13
MCOUSAOrlando Intl.7
CUNMEXCancun Intl.6
GDLMEXDon Miguel Hidalgo y Costilla Intl.5
PHLUSAPhiladelphia Intl.2
ORDUSAO'Hare Intl.2
MIAUSAMiami Intl.1
LASUSAMcCarran Intl.1
MEXMEXMexico City Intl.1
LAXUSALos Angeles Intl.1

Frontier Airlines Flight To Los Angeles - Ontario Intl.

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Frontier Airlines Airfares from Los Angeles - Ontario Intl. Airport

Looking for great deals on Frontier Airlines flights from Los Angeles - Ontario Intl.? Travelocity offers some of the lowest fares on one-way and round-trip flights from Los Angeles - Ontario Intl. to many locations. We’re also proud to provide flexible booking options so you can find the best price on cheap flights that work within your schedule. Add in free 24 hour cancellation on most flights and you’ll be able to book your next trip with confidence. Fly from Los Angeles - Ontario Intl. Airport on Frontier Airlines with the help of Travelocity to spend less time worrying about finding the best deal and more time enjoying your vacation!

Route FAQ

Frequently asked questions

What terminal does Frontier Airlines fly out of at ONT?
The moment you receive your tickets for your next flight from Los Angeles - Ontario Intl. Airport (ONT), you should be able to identify which terminals Frontier Airlines will be flying from. If you’d prefer to be more prepared, you may need to consult with the airline you are flying with in advance.
Is there free Wi-Fi at Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.)?
Ontario Airport offers free Wi-Fi. If you need to catch up on those emails (or that new streaming series) while in transit, don’t stress.
How long do I need to be at Los Angeles - Ontario Intl. Airport (ONT) before my flight?
If you’re taking a domestic flight, it’s a wise idea to show up at the airport a minimum of one hour before you take to the skies. Don’t risk it and get there with plenty of time to spare. Don’t forget to get to the airport for your overseas flight a minimum of three hours before departure. Baggage drop lines and security lines can make time run away very quickly.
What airline is F9?
The IATA code for Frontier Airlines is F9. All airlines are designated an IATA code by the International Air Transport Association. These two letters are used for a variety of purposes, including timetables, tickets, tariffs and communications.
What is ONT?
Airports throughout the world are known by a three-letter geocode called an IATA code; ONT is the IATA code for Los Angeles - Ontario Intl. Airport (ONT). Defined by the International Air Transport Association, these codes play a key role in the aviation industry and are used primarily for ticketing purposes.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.), please visit our Customer Service Portal.