Frontier Airlines Flights From Ontario Intl. Airport Airport (ONT) from $28

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Frontier Airlines Airlines Flights From Ontario Intl. Airport

The cheapest prices found with in the last 7 days for return flights were $58 and $28 for one-way flights to for the period specified. Prices and availability are subject to change. Additional terms apply.

Escape From Ontario Intl. Airport This Weekend

OriginDestinationTravel DatesFlights From*
ONTDenverMay 10 to May 10$301
ONTDallasMay 9 to May 16$324
ONTSeattleMay 9 to July 9$326
ONTLas VegasMay 9 to May 11$326
ONTPhoenixMay 9 to May 13$347
ONTSalt Lake CityMay 10 to May 14$357
ONTPortlandMay 8 to May 11$378
ONTSan FranciscoMay 8 to May 10$398
*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
MEXMEXMexico City Intl.1
LASUSAMcCarran Intl.1
LAXUSALos Angeles Intl.1

Frontier Airlines Flight To Ontario Intl. Airport

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

Frontier Airlines Airfares from Ontario Intl. Airport Airport

Looking for great deals on Frontier Airlines flights from Ontario Intl. Airport? Travelocity offers some of the lowest fares on one-way and round-trip flights from Ontario Intl. Airport 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 Ontario Intl. Airport 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.