Cheap Flights from Ontario International to Pasco

Compare Ontario International to Pasco flight deals

Find the cheapest month or even day of the year to fly to Pasco

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Flight deals from Ontario International to Pasco

Looking for a cheap last-minute deal or the best return flight from Ontario International to Pasco? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Ontario International to Pasco

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ontario International to Pasco flights are currently cheapest in March.

Ontario International to Pasco: Alternative routes

Compare routes from Ontario International to Pasco below. You may find an airport to fly into that's cheaper, faster, or easier than Pasco.

Ontario to Pasco: Flight information

The things to know before you go.
Cheapest flight foundR 3,488
Cheapest month to flyMarch

Finding cheap flights from Ontario International to Pasco: Frequently asked questions

The best price we found for a return flight from Ontario International to Pasco is R 4,427. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Ontario International to Pasco. But we found flights with one or more stops from R 4,427.
As of March 2026, there are no flights flying from Ontario International to Pasco.
The cheapest month to fly from Ontario International to Pasco is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to Pasco Airport on Friday, 8 May 2026.
No airlines currently offer direct flights between Ontario International Airport and Pasco Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Pasco but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Pasco is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Pasco.

Travelling from Ontario International Airport (ONT) to Tri-Cities Airport (PSC): what you need to know

  • Arrive at the airport on time so you don't miss your ONT to PSC flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • Be prepared for longer queues during popular months like August. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a good idea.

  • Consider adding a stopover when booking your ticket from Ontario International Airport to Tri-Cities Airport. Simply uncheck 'Direct flights only' to break up your journey, or even explore someplace new along the way. Here's where you can stop between ONT and PSC:

    • San Francisco International Airport

    • Seattle-Tacoma International Airport

    • Salt Lake City International Airport

How to find the cheapest flights from Ontario International Airport (ONT) to Tri-Cities Airport (PSC)

  • R 3,488 is the lowest price for a one-way Ontario International Airport to Tri-Cities Airport flight. A return flight starts from R 4,427. These prices may change depending on availability and demand.

  • To score cheap tickets from ONT to PSC, book early. Airlines tend to offer the most competitive fares when flights are first released.

  • Finding cheap flights from Ontario International Airport to Tri-Cities Airport is easier if you can be flexible with your travel dates. Use the 'Whole month' tool to see the lowest fares across the month and snap up a great deal.

  • Snapping up cheap flights from ONT to PSC is a cinch with Price Alerts. Simply create one of these automatic alerts and we'll get in touch as soon as there's a better deal.

  • Choose your ideal arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Ontario International Airport to Tri-Cities Airport.

Handy information about Ontario International Airport (ONT)

  • You'll find ONT at 2900 E. Airport Drive.

  • Ontario International Airport maintains a solid on-time performance, reducing your chances of a delayed flight. Departures from ONT arrive on schedule 83.6% of the time.

  • To reach Ontario International Airport from central Ontario, it takes about 10 minutes if you're planning to drive. Of course, this depends on traffic. It's approximately 6 kilometres from the airport to the city centre.

  • You can expect a trip time of roughly 1 hour 30 minutes when using public transport.

  • Get your travels off to a leisurely start by staying near ONT. Whether you're catching an early flight from Ontario International Airport to Tri-Cities Airport or just don't like being rushed, these hotels have you covered:

Arriving at Tri-Cities Airport (PSC)

Getting from Tri-Cities Airport (PSC) to central Pasco

  • You'll find PSC at 3601 N 20th Avenue.

  • From Tri-Cities Airport, Pasco is approximately 5 kilometres away. It takes around 10 minutes to get to the centre driving.

  • Travelling by public transport takes about 35 minutes.

When to fly to Tri-Cities Airport (PSC)

  • The quietest month for a flight from Ontario International Airport to Tri-Cities Airport is May, while May is the most popular. Pick the best time to go to Pasco based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • When booking your flight from Ontario International Airport to Tri-Cities Airport, think about the type of weather you enjoy. July is the warmest month in Pasco, with temperatures ranging from 16ºC (61ºF) to 37ºC (99ºF).

  • If you like travelling in cooler conditions, look for a cheap ticket from ONT to PSC in December. Average temperatures are between -6ºC (21ºF) and 7ºC (45ºF) then.

Explore more of United States

  • Seattle is just one of the many places in United States waiting to be discovered once you've seen Pasco. Around 290 kilometres away to the north-west, top sights here include Greyhound: Bus Station, LMN Architects and Boeing Radiation Effects Lab.

  • If you're ready to explore another side of United States, consider Portland, about 290 kilometres west of Pasco. Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion are key highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.