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

View $100 flight on Fri, Sep 5, 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 $199 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Sep 3 - Thu, Sep 4
ONT
Ontario
PSC
Pasco
$199 Roundtrip, just found
$199
Roundtrip
just found
Select Delta flight, departing Wed, Sep 3 from Ontario to Pasco, returning Thu, Sep 4, priced at $199 just found
Delta
Fri, Sep 5 - Thu, Sep 18
ONT
Ontario
PSC
Pasco
$228 Roundtrip, just found
$228
Roundtrip
just found
Select Delta flight, departing Fri, Sep 5 from Ontario to Pasco, returning Thu, Sep 18, priced at $228 just found
Delta
Sat, Sep 6 - Sat, Sep 13
ONT
Ontario
PSC
Pasco
$236 Roundtrip, just found
$236
Roundtrip
just found
Select Delta flight, departing Sat, Sep 6 from Ontario to Pasco, returning Sat, Sep 13, priced at $236 just found
Delta
Wed, Sep 3 - Fri, Sep 5
ONT
Ontario
PSC
Pasco
$243 Roundtrip, found 7 hours ago
$243
Roundtrip
found 7 hours ago
Select Delta flight, departing Wed, Sep 3 from Ontario to Pasco, returning Fri, Sep 5, priced at $243 found 7 hours ago
Delta
Fri, Oct 17 - Sun, Oct 19
ONT
Ontario
PSC
Pasco
$248 Roundtrip, found 2 hours ago
$248
Roundtrip
found 2 hours ago
Select Delta flight, departing Fri, Oct 17 from Ontario to Pasco, returning Sun, Oct 19, priced at $248 found 2 hours ago
Delta
Thu, Sep 18 - Tue, Sep 23
ONT
Ontario
PSC
Pasco
$250 Roundtrip, found 4 hours ago
$250
Roundtrip
found 4 hours ago
Select Delta flight, departing Thu, Sep 18 from Ontario to Pasco, returning Tue, Sep 23, priced at $250 found 4 hours 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
Delta
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 $199 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.