A gravel road winding through a dry grassland with steep cliffs on one side.

CA $224 Cheap Flights from Ontario Intl. Airport (ONT) to Pasco (PSC)

View CA $224 flight on Sat, Oct 3, 2026Opens in a new window

Popular airlines from Ontario Intl. Airport (ONT) to Tri-Cities Airport (PSC)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Ontario Intl. Airport (ONT) to Pasco (PSC)

Prices were available within the past 7 days and start at CA $224 for one-way flights and CA $683 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, Aug 21 - Sun, Aug 23
ONT
Ontario
PSC
Pasco
CA $683 Roundtrip, found 1 day ago
CA $683
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Aug 21 from Ontario to Pasco, returning Sun, Aug 23, priced at CA $683 found 1 day ago
Alaska Airlines
Thu, Aug 20 - Mon, Aug 24
ONT
Ontario
PSC
Pasco
CA $686 Roundtrip, found 5 days ago
CA $686
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Thu, Aug 20 from Ontario to Pasco, returning Mon, Aug 24, priced at CA $686 found 5 days ago
Delta
Fri, Aug 21 - Sun, Aug 23
ONT
Ontario
PSC
Pasco
CA $687 Roundtrip, found 1 day ago
CA $687
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Aug 21 from Ontario to Pasco, returning Sun, Aug 23, priced at CA $687 found 1 day ago
Alaska Airlines
Fri, Aug 21 - Sun, Aug 23
ONT
Ontario
PSC
Pasco
CA $688 Roundtrip, found 1 day ago
CA $688
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Aug 21 from Ontario to Pasco, returning Sun, Aug 23, priced at CA $688 found 1 day ago
Delta
Thu, Aug 20 - Mon, Aug 24
ONT
Ontario
PSC
Pasco
CA $698 Roundtrip, found 5 days ago
CA $698
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Aug 20 from Ontario to Pasco, returning Mon, Aug 24, priced at CA $698 found 5 days ago
Alaska Airlines
Fri, Aug 21 - Sun, Aug 23
ONT
Ontario
PSC
Pasco
CA $729 Roundtrip, found 1 day ago
CA $729
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Aug 21 from Ontario to Pasco, returning Sun, Aug 23, priced at CA $729 found 1 day ago
Delta
Fri, Aug 21 - Sun, Aug 23
ONT
Ontario
PSC
Pasco
CA $747 Roundtrip, found 1 day ago
CA $747
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Aug 21 from Ontario to Pasco, returning Sun, Aug 23, priced at CA $747 found 1 day ago
American Airlines
Fri, Aug 21 - Sun, Aug 23
ONT
Ontario
PSC
Pasco
CA $761 Roundtrip, found 1 day ago
CA $761
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Aug 21 from Ontario to Pasco, returning Sun, Aug 23, priced at CA $761 found 1 day ago
Alaska Airlines
Fri, Aug 21 - Sun, Aug 23
ONT
Ontario
PSC
Pasco
CA $798 Roundtrip, found 1 day ago
CA $798
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Aug 21 from Ontario to Pasco, returning Sun, Aug 23, priced at CA $798 found 1 day ago
Alaska Airlines
Fri, Aug 21 - Sun, Aug 23
ONT
Ontario
PSC
Pasco
CA $803 Roundtrip, found 1 day ago
CA $803
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Aug 21 from Ontario to Pasco, returning Sun, Aug 23, priced at CA $803 found 1 day ago

Frequently asked questions

How much does a flight from Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities) cost?
You can find one-way and return flights from ONT to PSC with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when ONT to PSC ticket fares go up or down.
What is the cheapest month to fly from Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities)?
May is typically the cheapest month to fly from Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities), with average return fares around CA$391. May often sees lower prices as it falls outside of peak holiday or summer travel seasons, leading to less demand. April and August are also good months to find deals on this route.
Which airlines fly direct from Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities)?
Enter ONT to PSC and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities)?
Delta is one of the cheapest airlines offering connecting return flights from Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities), with tickets starting from around CA$513 for flights that can be booked for departure within the next year. These prices are per adult, for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities)?
To find a cheap flight from Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities)?
The cheapest months to fly from Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities) are typically May and April, with average prices around CA$391 for a return flight. However, the most popular months for this route are August and November, which means you'll find more flight options during those times. If you're looking for the best balance of price and availability, you might consider flying in May or April for the lower fares, or in August and November if having more flight choices is a priority for your travel plans.
How many flights per day from Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities)?
There are approximately 14 connecting flights per day from Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities). Some common connection points include Portland Intl. (PDX), Seattle - Tacoma Intl. (SEA), and Salt Lake City Intl. (SLC).
What is the earliest flight from Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities)?
The earliest flight from Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities) typically departs around 5:00 AM local time. This flight is operated by Alaska Airlines. This is a seasonal service, active only in November. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities)?
You'll find the most flights from Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities) on Fridays, with around 17 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Alaska Airlines, Delta, and United. Flight schedules are fairly consistent throughout the week, so you'll have several flight options no matter which day you choose to fly.
What are the most popular departure times for flights from Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities)?
The most popular departure times for flights from Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities) are in the early morning, from 6am to 9am. Many major carriers, including Alaska Airlines, Delta and United, offer flights during this window. Many travellers prefer these times because it allows for an early start to their day at their destination.
How long does it take to fly from Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities)?
There are no nonstop flights from Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities). The distance between these two airports is approximately 1,363 kilometers. If you're looking for a flight with one stop, you can expect the journey to take around 7 hours. Flights with two or more stops typically take longer, averaging about 10 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and weather conditions.
Can you fly business or first class from Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities)?
Yes, you can fly business class or first class between Ontario Intl. Airport (ONT) and Pasco, WA (PSC-Tri-Cities).You can fly business class with Delta.First class cabins are available on Alaska Airlines, Delta, United, and American Airlines.
How do I earn miles on a Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities) flight with Expedia?
It's easy to earn miles on a Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Pasco, WA (PSC) from Ontario Intl. Airport (ONT)?
If you're planning to travel to Pasco from Los Angeles - Ontario Intl. (ONT), you can fly directly into Tri-Cities (PSC). Some flights may connect through major hubs like Portland Intl. (PDX), Seattle - Tacoma Intl. (SEA), or Boise, ID (BOI) before reaching Pasco. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities) at the last minute?
Typically, booking a last minute flight from Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities) flight and hotel package?
Securing a Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities)?
If you booked your Ontario Intl. Airport (ONT) to Pasco, WA (PSC-Tri-Cities) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Ontario Intl. Airport
Destination airport
Tri-Cities
Airlines serving
Alaska Airlines
Roundtrip price
CA $683
Distance
1354 km

Book with confidence

Los Angeles to Pasco Flights

The easy way to book your flights from Ontario Intl. Airport to Pasco 

With Expedia, it’s simple to find and book flights to Pasco from Ontario Intl. Airport whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Tri-Cities, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Ontario Intl. Airport to Pasco today, tomorrow, or this week.  

 

Save dollars with cheap flights from Ontario Intl. Airport, ONT to Tri-Cities, PSC 

Sort your search results by price to find great deals on your flight from Ontario Intl. Airport to Pasco—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Pasco from Ontario Intl. Airport currently is just CA $683 rising to CA $803.  

Here are more money-saving tips: 

  • Fly in August when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Pasco  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Pasco from Ontario Intl. Airport 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Pasco with Expedia today.

Los Angeles to Pasco Flights

Explore a world of travel with Expedia

*Available to Expedia members.