What is the cheapest airline that flies from Pasco Tri Cities to Ontario?

Alaska Airlines and Delta are the most popular carriers operating from Pasco Tri Cities to Ontario

What airlines fly to Ontario?

Alaska Airlines, Delta and United Airlines are the top three most popular airlines that fly to Ontario from Pasco according to our data. Alaska Airlines is the first choice among our users, with 68% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 5 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Pasco Tri Cities Airport to Ontario Airport?

Prices for flights from Pasco Tri Cities Airport to Ontario Airport are updated daily.

How many operators does momondo search for flights from Pasco Tri Cities Airport to Ontario Airport?

As of December 2025, there are 3 operators available to choose from for flights from Pasco Tri Cities Airport to Ontario Airport.

How old do you have to be to fly from Pasco Tri Cities Airport to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pasco Tri Cities Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$131 Cheap Flights from Pasco to Ontario in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Pasco to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:25 am - 10:44 pm

PSC

ONT

14h 19m1 stop

4:02 pm - 8:55 pm

ONT

PSC

4h 53m1 stop

$166Alaska Airlines

Wed, Feb 18 - Wed, Feb 25

5:35 pm - 10:37 pm

PSC

ONT

5h 02m1 stop

3:30 pm - 11:03 pm

ONT

PSC

7h 33m1 stop

$167Delta

Sat, Feb 21 - Wed, Feb 25

5:41 pm - 10:51 pm

PSC

ONT

5h 10m1 stop

1:11 pm - 11:09 pm

ONT

PSC

9h 58m2 stops

$172Delta

Wed, Jan 21 - Thu, Jan 29

1:00 pm - 11:58 pm

PSC

ONT

10h 58m2 stops

1:11 pm - 11:09 pm

ONT

PSC

9h 58m2 stops

$178Delta

Wed, Jan 21 - Thu, Jan 29

6:19 pm - 11:56 pm

PSC

ONT

5h 37m1 stop

4:03 pm - 12:37 pm

ONT

PSC

20h 34m1 stop

$186Alaska Airlines

Mon, Feb 2 - Fri, Feb 6

8:27 am - 8:36 pm

PSC

ONT

12h 09m1 stop

4:03 pm - 8:57 pm

ONT

PSC

4h 54m1 stop

$187Alaska Airlines

Wed, Jan 21 - Thu, Jan 29

6:19 pm - 8:36 pm

PSC

ONT

26h 17m1 stop

4:02 pm - 8:55 pm

ONT

PSC

4h 53m1 stop

$195Alaska Airlines

Fri, Feb 6 - Sat, Feb 14

8:27 am - 11:56 pm

PSC

ONT

15h 29m1 stop

4:03 pm - 12:37 pm

ONT

PSC

20h 34m1 stop

$205Alaska Airlines

Mon, Feb 2 - Fri, Feb 6

8:27 am - 5:03 pm

PSC

ONT

8h 36m2 stops

4:03 pm - 8:57 pm

ONT

PSC

4h 54m1 stop

$215Alaska Airlines

Sat, Jan 17 - Sat, Jan 24

5:35 pm - 10:37 pm

PSC

ONT

5h 02m1 stop

1:10 pm - 11:03 pm

ONT

PSC

9h 53m2 stops

$221Delta

Sat, Feb 21 - Wed, Feb 25

Alaska Airlines flights from Pasco to Ontario

Our best Alaska Airlines deals on Pasco to Ontario flight tickets

Alaska Airlines

Feb 18

PSC8:25 amPasco Tri Cities

14h 19m

1 stop

ONT10:44 pmOntario

Feb 25

ONT4:02 pmOntario

4h 53m

1 stop

PSC8:55 pmPasco Tri Cities

$166

Find similar

Alaska Airlines

Feb 2

PSC6:19 pmPasco Tri Cities

5h 37m

1 stop

ONT11:56 pmOntario

Feb 6

ONT4:03 pmOntario

20h 34m

1 stop

PSC12:37 pmPasco Tri Cities

$186

Find similar

Alaska Airlines

Jan 21

PSC8:27 amPasco Tri Cities

12h 09m

1 stop

ONT8:36 pmOntario

Jan 29

ONT4:03 pmOntario

4h 54m

1 stop

PSC8:57 pmPasco Tri Cities

$187

Find similar

Delta flights from Pasco to Ontario

Our best Delta deals on Pasco to Ontario flight tickets

Delta

Feb 21

PSC5:35 pmPasco Tri Cities

5h 02m

1 stop

ONT10:37 pmOntario

Feb 24

ONT7:30 amOntario

15h 33m

1 stop

PSC11:03 pmPasco Tri Cities

$167

Find similar

Delta

Jan 21

PSC5:41 pmPasco Tri Cities

5h 10m

1 stop

ONT10:51 pmOntario

Jan 29

ONT1:11 pmOntario

9h 58m

2 stops

PSC11:09 pmPasco Tri Cities

$172

Find similar

Delta

Jan 21

PSC1:00 pmPasco Tri Cities

10h 58m

2 stops

ONT11:58 pmOntario

Jan 29

ONT1:11 pmOntario

9h 58m

2 stops

PSC11:09 pmPasco Tri Cities

$178

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PascoOntario

PSC - ONT

PSCONT

Pasco Tri Cities

Wed 2/18

8:25 am-10:44 pm

1 stop14h 19m

Ontario

Wed 2/25

4:02 pm-8:55 pm

1 stop4h 53m

$166

PascoOntario

PSC - ONT

PSCONT

Pasco Tri Cities

Sat 2/21

5:35 pm-10:37 pm

1 stop5h 02m

Ontario

Wed 2/25

3:30 pm-11:03 pm

1 stop7h 33m

$167

PascoOntario

PSC - ONT

PSCONT

Pasco Tri Cities

Wed 1/21

5:41 pm-10:51 pm

1 stop5h 10m

Ontario

Thu 1/29

1:11 pm-11:09 pm

2 stops9h 58m

$172

PascoOntario

PSC - ONT

PSCONT

Pasco Tri Cities

Wed 1/21

1:00 pm-11:58 pm

2 stops10h 58m

Ontario

Thu 1/29

1:11 pm-11:09 pm

2 stops9h 58m

$178

PascoOntario

PSC - ONT

PSCONT

Pasco Tri Cities

Mon 2/2

6:19 pm-11:56 pm

1 stop5h 37m

Ontario

Fri 2/6

4:03 pm-12:37 pm

1 stop20h 34m

$186

PascoOntario

PSC - ONT

PSCONT

Pasco Tri Cities

Wed 1/21

8:27 am-8:36 pm

1 stop12h 09m

Ontario

Thu 1/29

4:03 pm-8:57 pm

1 stop4h 54m

$187

PascoOntario

PSC - ONT

PSCONT

Pasco Tri Cities

Fri 2/6

6:19 pm-8:36 pm

1 stop26h 17m

Ontario

Sat 2/14

4:02 pm-8:55 pm

1 stop4h 53m

$195

PascoOntario

PSC - ONT

PSCONT

Pasco Tri Cities

Mon 2/2

8:27 am-11:56 pm

1 stop15h 29m

Ontario

Fri 2/6

4:03 pm-12:37 pm

1 stop20h 34m

$205

PascoOntario

PSC - ONT

PSCONT

Pasco Tri Cities

Sat 1/17

8:27 am-5:03 pm

2 stops8h 36m

Ontario

Sat 1/24

4:03 pm-8:57 pm

1 stop4h 54m

$215

PascoOntario

PSC - ONT

PSCONT

Pasco Tri Cities

Sat 2/21

5:35 pm-10:37 pm

1 stop5h 02m

Ontario

Wed 2/25

1:10 pm-11:03 pm

2 stops9h 53m

$221

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Pasco to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Ontario?

In general, December is the cheapest month to fly from Pasco to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $254. If you aren’t able to travel during the month of December, then book flights to Ontario from Pasco during July instead. Flights to Ontario in July, while not as cheap as those in December, still average around $266.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Tuesday when prices can be found for as low as $341. This is often the case because there is less demand to fly during this day of the week. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Pasco to Ontario for around $521.

What is the cheapest time of day to depart on your flight to Ontario?

In the morning is the cheapest time of day to fly from Pasco to Ontario when you can find flight prices for as low as $367. Flying to Ontario in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $509 on average. Flights to Ontario from Pasco at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Pasco to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Pasco to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Pasco to Ontario (PSC to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pasco to Ontario

Fastest flight time	5h 02m
Direct flights	None

The fastest flight from Pasco to Ontario takes 5h 02m

There are no direct flights from Pasco to Ontario. There are no popular flight routes from Pasco to Ontario.

Search flight deals

How far is Pasco Tri Cities to Ontario by plane?
Pasco Tri Cities and Ontario are 844.1 mi apart from one another. In terms of flight time, this usually takes a little over 5h 02m.
When did momondo last update prices for flights from Pasco Tri Cities Airport to Ontario Airport?
Prices for flights from Pasco Tri Cities Airport to Ontario Airport are updated daily.
How many operators does momondo search for flights from Pasco Tri Cities Airport to Ontario Airport?
As of December 2025, there are 3 operators available to choose from for flights from Pasco Tri Cities Airport to Ontario Airport.
How old do you have to be to fly from Pasco Tri Cities Airport to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pasco Tri Cities Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Pasco to Ontario?
momondo data reveals that the most frequently booked airline on the route from Pasco to Ontario is Delta, representing 55% of all bookings. The subsequent popular airlines are Alaska Airlines at 27% and United Airlines at 18%.

Best airlines flying from Pasco to Ontario

Compare and see reviews for airlines that fly from Pasco to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $198	Free Cancellation	Rating 8.0 11,504 reviews	Search Alaska Airlines flights
Delta	PriceFrom $238	Free Cancellation	Rating 7.9 8,013 reviews	Search Delta flights
United Airlines	PriceFrom $258	Free Cancellation	Rating 7.4 9,102 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Pasco to Ontario?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Pasco to Ontario. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Pasco to Ontario with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ontario from Pasco which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Pasco to Ontario?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Pasco to Ontario.

I’m not ready to book a flight from Pasco to Ontario right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Pasco to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.