
$146 Cheap Delta flights from Phoenix to Ontario (PHX to ONT)
Find The Best Day To Fly from Phoenix to Ontario
Amazing Delta PHX to ONT Flight Deals
The cheapest flights to Los Angeles - Ontario Intl. found within the past 7 days were $603 round trip and $146 one way. Prices and availability subject to change. Additional terms may apply.
ONT From PHX Economy Coach Packages on Similar Airlines



Discover our best Delta flight from Phoenix PHX to Ontario ONT
To find the best deals on flights to Phoenix from Ontario with Delta, just enter your travel dates, filter by Delta, 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 Phoenix PHX to Ontario ONT with Delta
If you’re planning a round trip, booking return flights with Delta is usually the most cost-effective option. With airfares ranging from $603 to $603, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply.
Book one-way Delta flights from Phoenix PHX to Ontario ONT
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 Delta flight from Phoenix to Ontario costs from $146. Prices and availability subject to change. Additional terms may apply.
The easy way to find cheap flights to Ontario ONT from Phoenix PHX with Delta
To find a cheap Delta flight from Phoenix PHX to Ontario ONT, 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 Delta flights from Phoenix PHX to Ontario ONT
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 April, or if you book a flight with a stopover.
Find nonstop flights from Phoenix PHX to Ontario ONT with Delta
If you’re keen to be on Ontario soil fast, don’t waste time with a stopover—filter your search results to show direct Delta flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it.
Flexible airline tickets for Delta flights from Phoenix PHX to Ontario ONT
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 Ontario ONT from Phoenix PHX with Delta 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 |
|---|---|---|---|
| ATL | USA | Hartsfield-Jackson Atlanta Intl. | 252 |
| DTW | USA | Detroit Metropolitan Wayne County | 156 |
| MSP | USA | Minneapolis - St. Paul Intl. | 131 |
| SLC | USA | Salt Lake City Intl. | 116 |
| SEA | USA | Seattle - Tacoma Intl. | 57 |
| LAX | USA | Los Angeles Intl. | 41 |
| AMS | NLD | Schiphol | 31 |
| YYC | CAN | Calgary Intl. | 26 |
| YYZ | CAN | Pearson Intl. | 24 |
| JFK | USA | John F. Kennedy Intl. | 23 |
Travelers ❤️ these 🏨 after their flight to Ontario

La Quinta Inn & Suites by Wyndham Ontario Airport
The people at the front desk is where they are stay very nice and comfortable. They were really friendly and everybody took care of us. The whole hotel room was very clean, bathroom beds and all.! the hotel was very clean everything around it was close! Everything about our state was really nice ...
Reviewed on Feb 18, 2026

DoubleTree by Hilton Ontario Airport
Absolutely love double tree Ontario
Reviewed on Feb 16, 2026

Embassy Suites Ontario Airport
Clean room And staff was friendly
Reviewed on Feb 17, 2026
