$100 Cheap Delta flights Ontario (ONT) to Pasco (PSC)

View $100 flight on Thu, Nov 27, 2025Opens in a new window

$100 Cheap Delta flights Ontario (ONT) to Pasco (PSC)

Prices were available within the past 7 days and start at $100 for one-way flights and $219 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Nov 27 - Tue, Dec 2
ONT
Ontario
PSC
Pasco
$219 Roundtrip, found 7 hours ago
$219
Roundtrip
found 7 hours ago
Select Delta flight, departing Thu, Nov 27 from Ontario to Pasco, returning Tue, Dec 2, priced at $219 found 7 hours ago
Delta
Wed, Aug 27 - Sat, Aug 30
ONT
Ontario
PSC
Pasco
$233 Roundtrip, found 1 hour ago
$233
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Aug 27 from Ontario to Pasco, returning Sat, Aug 30, priced at $233 found 1 hour ago
Delta
Tue, Sep 2 - Sat, Sep 13
ONT
Ontario
PSC
Pasco
$241 Roundtrip, found 4 days ago
$241
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Sep 2 from Ontario to Pasco, returning Sat, Sep 13, priced at $241 found 4 days ago
Delta
Sun, Aug 31 - Mon, Sep 8
ONT
Ontario
PSC
Pasco
$249 Roundtrip, found 12 hours ago
$249
Roundtrip
found 12 hours ago
Select Delta flight, departing Sun, Aug 31 from Ontario to Pasco, returning Mon, Sep 8, priced at $249 found 12 hours ago
Delta
Fri, Sep 5 - Sun, Sep 7
ONT
Ontario
PSC
Pasco
$253 Roundtrip, just found
$253
Roundtrip
just found
Select Delta flight, departing Fri, Sep 5 from Ontario to Pasco, returning Sun, Sep 7, priced at $253 just found
Delta
Thu, Nov 13 - Sun, Nov 16
ONT
Ontario
PSC
Pasco
$255 Roundtrip, found 1 day ago
$255
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Nov 13 from Ontario to Pasco, returning Sun, Nov 16, priced at $255 found 1 day ago
Delta
Wed, Oct 8 - Fri, Oct 31
ONT
Ontario
PSC
Pasco
$261 Roundtrip, found 5 days ago
$261
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Oct 8 from Ontario to Pasco, returning Fri, Oct 31, priced at $261 found 5 days ago
Flights from Ontario (ONT) to Pasco (PSC)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Tri-Cities
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Popular airline
Alaska Airlines
Distance
846 mi

Frequently asked questions

How much is a Delta Air Lines flight from Los Angeles - Ontario Intl. Airport (ONT) to Tri-Cities Airport (PSC)?
Grab cheap return Delta Air Lines flights from $219 from ONT to PSC by sorting your results from "Price (lowest to highest)" on Expedia. Or search for bargains from $100 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from ONT to PSC with Delta Air Lines?
Look for round-trip or one-way flights to Pasco in January or February. You could find a cheap fare with Delta Air Lines during these off-peak times.
What is the cheapest time to book flights from Los Angeles - Ontario Intl. Airport (ONT) to Tri-Cities Airport (PSC) with Delta Air Lines?
Start searching one to three months ahead of your departure date to get cheap fares on Delta Air Lines flights from Los Angeles - Ontario Intl. Airport (ONT) to Tri-Cities Airport (PSC). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get the timing right, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Los Angeles - Ontario Intl. Airport (ONT) to Tri-Cities Airport (PSC)?
Click on our "Nonstop" filter when browsing for direct Delta Air Lines flights from ONT to PSC. It's also an easy way to compare other carriers offering the same direct route.
What is the earliest Delta Air Lines flight from ONT to PSC?
Sort your results by "Morning" and "Early Morning" to see the earliest flights from ONT to PSC. Taking off early means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Pasco?
Tri-Cities Airport (PSC) is the primary Pasco gateway for Delta Air Lines flights from Los Angeles - Ontario Intl. Airport (ONT).
Why fly with Delta Air Lines from ONT to PSC?
Taking off from ONT to PSC with Delta Air Lines comes with a host of perks, such as a rewarding loyalty program and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can collect OneKeyCash™* to redeem on select future travel purchases. That's in addition to the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Los Angeles - Ontario Intl. Airport (ONT) to Tri-Cities Airport (PSC)?
It's usually possible to modify or cancel your flight, although additional fees may apply if you made your booking more than 24 hours ago. Prefer to keep your options open? Apply the "No cancel fee" and "Changes included" filters to find flights that won't penalize you if you have to alter your plans. To make changes, head to "Trips," select your flight and click on "Manage Booking" for further information.

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*Available to One Key members.