
$127 Cheap Frontier Airlines flights from Ontario to Jacksonville (ONT to JAX)
Find The Best Day To Fly from Ontario to Jacksonville
Amazing Frontier Airlines ONT to JAX Flight Deals
The cheapest flights to Jacksonville Intl. found within the past 7 days were $290 round trip and $127 one way. Prices and availability subject to change. Additional terms may apply.
Discover our best Frontier Airlines flight from Ontario ONT to Jacksonville JAX
To find the best deals on flights to Ontario from Jacksonville with Frontier Airlines, just enter your travel dates, filter by Frontier Airlines, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.
Return flights from Ontario ONT to Jacksonville JAX with Frontier Airlines
If you’re planning a round trip, booking return flights with Frontier Airlines is usually the most cost-effective option. With airfares ranging from $290 to $355, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply.
Book one-way Frontier Airlines flights from Ontario ONT to Jacksonville JAX
A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way Frontier Airlines flight from Ontario to Jacksonville costs from $127. Prices and availability subject to change. Additional terms may apply.
The easy way to find cheap flights to Jacksonville JAX from Ontario ONT with Frontier Airlines
To find a cheap Frontier Airlines flight from Ontario ONT to Jacksonville JAX, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference.
How to find our best airfare deals on Frontier Airlines flights from Ontario ONT to Jacksonville JAX
If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as November, or if you book a flight with a stopover.
Find nonstop flights from Ontario ONT to Jacksonville JAX with Frontier Airlines
If you’re keen to be on Jacksonville soil fast, don’t waste time with a stopover—filter your search results to show direct Frontier Airlines flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it.
Flexible airline tickets for Frontier Airlines flights from Ontario ONT to Jacksonville JAX
Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.
There are a lot of reasons to book your flights to Jacksonville JAX from Ontario ONT with Frontier Airlines on Travelocity
At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.
Airport code | Country | Airport name | Number of flights |
---|---|---|---|
DEN | USA | Denver Intl. | 13 |
MCO | USA | Orlando Intl. | 7 |
CUN | MEX | Cancun Intl. | 6 |
GDL | MEX | Don Miguel Hidalgo y Costilla Intl. | 5 |
PHL | USA | Philadelphia Intl. | 2 |
ORD | USA | O'Hare Intl. | 2 |
MIA | USA | Miami Intl. | 1 |
LAS | USA | McCarran Intl. | 1 |
MEX | MEX | Mexico City Intl. | 1 |
LAX | USA | Los Angeles Intl. | 1 |
Travelers ❤️ these 🏨 after their flight to Jacksonville

DoubleTree by Hilton Hotel Jacksonville Airport
Reviewed on Aug 19, 2025

Hyatt Place Jacksonville Airport
Reviewed on Aug 20, 2025

Microtel Inn & Suites by Wyndham Jacksonville Airport
Reviewed on Aug 18, 2025
Popular Frontier Airlines Flight Routes from ONT
Top Frontier Airlines Flight Routes from JAX
Top Flights for Frontier Airlines originating from ONT
Domestic
- Los Angeles to New York (LAX - LGA)
- Dallas to New York (DFW - LGA)
- New York to Orlando (LGA - MCO)
- Los Angeles to New York (LAX - JFK)
- Atlanta to New York (ATL - LGA)
- Atlanta to New York (ATL - JFK)
- Newark Liberty Intl. Airport to Los Angeles (EWR - LAX)
- San Francisco to Las Vegas (SFO - LAS)
- San Francisco to Las Vegas (SFO - LAS)
- Los Angeles to New York (LAX - JFK)
International
- San Francisco to Las Vegas (SFO - LAS)
- Atlanta to New York (ATL - LGA)
- Los Angeles to New York (LAX - LGA)
- Newark Liberty Intl. Airport to Atlanta (EWR - ATL)
- New York to Miami (JFK - MIA)
- New York to Los Angeles (JFK - LAX)
- Los Angeles to Las Vegas (LAX - LAS)
- Atlanta to New York (ATL - JFK)
- New York to Orlando (LGA - MCO)
- New York to Fort Lauderdale (JFK - FLL)
Most Popular
- Flights from Atlanta (ATL) to Miami (MIA)
- Flights from Philadelphia (PHL) to Miami (MIA)
- JetBlue Airways Boston (BOS) to Orlando (MCO) flights
- Flights from Los Angeles (LAX) to Chicago (ORD)
- Flights from Los Angeles (LAX) to London (LHR)
- Flights from Boston (BOS) to Miami (MIA)
- Flights from Baltimore (BWI) to Orlando (MCO)
- Flights from Chicago (ORD) to Orlando (MCO)
- Flights from Los Angeles (LAX) to Orlando (MCO)
- Flights from Boston (BOS) to Los Angeles (LAX)
- Flights from Los Angeles (LAX) to Miami (MIA)
- Flights from Los Angeles (LAX) to Honolulu (HNL)
- Flights from Dallas (DFW) to Orlando (MCO)
- Flights from Los Angeles (LAX) to Dallas (DFW)
- Flights from Los Angeles (LAX) to New York (JFK)
- Flights from San Francisco (SFO) to Los Angeles (LAX)
- Flights from New York (JFK) to Los Angeles (LAX)
- Flights from Atlanta (ATL) to Los Angeles (LAX)
- Flights from New York (JFK) to Orlando (MCO)
- Flights from New York (JFK) to Miami (MIA)
- Hawaiian Airlines Orlando (MCO) to Honolulu (HNL) flights
- Flights from San Francisco (SFO) to New York (JFK)
- Flights from Philadelphia (PHL) to Orlando (MCO)
- Flights from Los Angeles (LAX) to Boston (BOS)
- Flights from Detroit (DTW) to Orlando (MCO)
- Flights from Chicago (ORD) to Los Angeles (LAX)
- Flights from New York (JFK) to San Francisco (SFO)
- Flights from Los Angeles (LAX) to San Francisco (SFO)
- Flights from Atlanta (ATL) to Orlando (MCO)
- Flights from Dallas (DFW) to Los Angeles (LAX)