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Cheap flights from Ontario to Pasco from $118

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Pasco departing on 10/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to Pasco

Cheap round-trip flights

Delta Logo
5:50 pm - 10:55 pmONT-PSC
5h 05m1 stop
Delta Logo
5:13 pm - 11:39 pmPSC-ONT
6h 26m1 stop
$181Delta
Find Deal
Sat, Oct 11 - Mon, Oct 13
Delta Logo
1:15 pm - 10:55 pmONT-PSC
9h 40m2 stops
Delta Logo
5:13 pm - 11:39 pmPSC-ONT
6h 26m1 stop
$216Delta
Find Deal
Sat, Oct 11 - Mon, Oct 13
Hawaiian Airlines Logo
11:30 am - 4:55 pmONT-PSC
5h 25m1 stop
Hawaiian Airlines Logo
1:40 pm - 6:17 pmPSC-ONT
4h 37m1 stop
$236Hawaiian Airlines
Find Deal
Sat, Feb 28 - Tue, Mar 3
United Airlines Logo
6:51 pm - 11:15 pmONT-PSC
4h 24m1 stop
United Airlines Logo
6:32 am - 12:13 pmPSC-ONT
5h 41m1 stop
$247United Airlines
Find Deal
Sat, Oct 11 - Mon, Oct 13
United Airlines Logo
6:36 pm - 11:15 pmONT-PSC
4h 39m1 stop
United Airlines Logo
1:33 pm - 5:40 pmPSC-ONT
4h 07m1 stop
$262United Airlines
Find Deal
Thu, Oct 2 - Tue, Oct 7
Alaska Airlines Logo
6:00 am - 12:30 pmONT-PSC
6h 30m1 stop
Alaska Airlines Logo
6:00 am - 12:37 pmPSC-ONT
6h 37m1 stop
$275Alaska Airlines
Find Deal
Tue, Oct 7 - Tue, Oct 21
Alaska Airlines Logo
11:30 am - 4:55 pmONT-PSC
5h 25m1 stop
Alaska Airlines Logo
9:00 am - 5:42 pmPSC-ONT
8h 42m2 stops
$285Alaska Airlines
Find Deal
Sat, Feb 28 - Tue, Mar 3
Multiple Airlines Logo
6:54 pm - 2:33 pmONT-PSC
19h 39m1 stop
Multiple Airlines Logo
7:36 pm - 11:47 amPSC-ONT
16h 11m2 stops
$324Multiple Airlines
Find Deal
Thu, Oct 23 - Sun, Oct 26
Multiple Airlines Logo
6:05 am - 2:33 pmONT-PSC
8h 28m1 stop
Multiple Airlines Logo
3:16 pm - 11:50 pmPSC-ONT
32h 34m2 stops
$346Multiple Airlines
Find Deal
Fri, Oct 10 - Mon, Oct 13
Hawaiian Airlines Logo
10:44 am - 5:25 pmONT-PSC
6h 41m1 stop
Hawaiian Airlines Logo
10:26 am - 3:42 pmPSC-ONT
5h 16m1 stop
$370Hawaiian Airlines
Find Deal
Thu, Dec 25 - Fri, Jan 2

Delta flights from Ontario to Pasco

Our best Delta deals on Ontario to Pasco flight tickets
Delta
Oct 11
ONT5:50 pmOntario
5h 05m
1 stop
PSC10:55 pmPasco Tri Cities
Oct 13
PSC5:13 pmPasco Tri Cities
6h 26m
1 stop
ONT11:39 pmOntario
$181
Find similar
Delta
Oct 11
ONT1:15 pmOntario
9h 40m
2 stops
PSC10:55 pmPasco Tri Cities
Oct 13
PSC5:13 pmPasco Tri Cities
6h 26m
1 stop
ONT11:39 pmOntario
$216
Find similar
Delta
Oct 11
ONT5:50 pmOntario
5h 05m
1 stop
PSC10:55 pmPasco Tri Cities
Dec 6
PSC5:44 pmPasco Tri Cities
5h 03m
1 stop
ONT10:47 pmOntario
$237
Find similar

Alaska Airlines flights from Ontario to Pasco

Our best Alaska Airlines deals on Ontario to Pasco flight tickets
Alaska Airlines
Oct 7
ONT6:00 amOntario
6h 30m
1 stop
PSC12:30 pmPasco Tri Cities
Oct 21
PSC6:00 amPasco Tri Cities
6h 37m
1 stop
ONT12:37 pmOntario
$275
Find similar
Alaska Airlines
Feb 28
ONT11:30 amOntario
5h 25m
1 stop
PSC4:55 pmPasco Tri Cities
Mar 3
PSC9:00 amPasco Tri Cities
8h 42m
2 stops
ONT5:42 pmOntario
$285
Find similar
Alaska Airlines
Sep 30
ONT3:06 pmOntario
6h 09m
1 stop
PSC9:15 pmPasco Tri Cities
Oct 4
PSC6:00 amPasco Tri Cities
6h 37m
1 stop
ONT12:37 pmOntario
$300
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Pasco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Ontario to Pasco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Sat 10/11

5:50 pm-10:55 pm

1 stop5h 05m

Pasco Tri Cities

Mon 10/13

5:13 pm-11:39 pm

1 stop6h 26m

$181

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Sat 10/11

1:15 pm-10:55 pm

2 stops9h 40m

Pasco Tri Cities

Mon 10/13

5:13 pm-11:39 pm

1 stop6h 26m

$216

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Sat 2/28

11:30 am-4:55 pm

1 stop5h 25m

Pasco Tri Cities

Tue 3/3

1:40 pm-6:17 pm

1 stop4h 37m

$236

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Sat 10/11

6:51 pm-11:15 pm

1 stop4h 24m

Pasco Tri Cities

Mon 10/13

6:32 am-12:13 pm

1 stop5h 41m

$247

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Thu 10/2

6:36 pm-11:15 pm

1 stop4h 39m

Pasco Tri Cities

Tue 10/7

1:33 pm-5:40 pm

1 stop4h 07m

$262

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Tue 10/7

6:00 am-12:30 pm

1 stop6h 30m

Pasco Tri Cities

Tue 10/21

6:00 am-12:37 pm

1 stop6h 37m

$275

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Sat 2/28

11:30 am-4:55 pm

1 stop5h 25m

Pasco Tri Cities

Tue 3/3

9:00 am-5:42 pm

2 stops8h 42m

$285

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Thu 10/23

6:54 pm-2:33 pm

1 stop19h 39m

Pasco Tri Cities

Sun 10/26

7:36 pm-11:47 am

2 stops16h 11m

$324

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Fri 10/10

6:05 am-2:33 pm

1 stop8h 28m

Pasco Tri Cities

Mon 10/13

3:16 pm-11:50 pm

2 stops32h 34m

$346

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Thu 12/25

10:44 am-5:25 pm

1 stop6h 41m

Pasco Tri Cities

Fri 1/2

10:26 am-3:42 pm

1 stop5h 16m

$370

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Pasco from

How to get the cheapest flight ticket from Ontario to Pasco

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

What is the cheapest month to fly to Pasco?

The month of May is, on average, the cheapest month to fly to Pasco from Ontario, with most prices found around $218. The month of March is another great option to travel to Pasco, with average flight prices from Ontario averaging around $226.

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

The cheapest day to depart from Ontario to Pasco is on a Tuesday. Travelers who choose to depart for Pasco on a Tuesday will often find tickets for as low as $257. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Pasco on Sunday is $327.

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

The cheapest time of day to fly to Pasco is in the morning when flights can be purchased for as low as $144. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $472 on average. Flights to Pasco from Ontario in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How have Ontario to Pasco flight prices changed over time?

As of September 2025, prices for Ontario to Pasco flights are approximately 37% cheaper when compared to flights at the same time last year.

When to book flights from Ontario to Pasco

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

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

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

Direct flights

None
There are no direct flights from Ontario to Pasco. There are no popular flight routes from Ontario to Pasco.
Search flight deals

  • How far is Ontario to Pasco Tri Cities by plane?

    The straight-line distance from Ontario to Pasco Tri Cities is 844.1 mi. 4h 24m is a normal flight duration for this route.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Pasco Tri Cities Airport.

  • What documentation or ID do you need to fly to Pasco Tri Cities Airport?

    The travel and health documents you'll need for your trip to Pasco Tri Cities Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Pasco Tri Cities Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Ontario to Pasco?

Best airlines flying from Ontario to Pasco

Compare and see reviews for airlines that fly from Ontario to Pasco with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $163Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $176Free CancellationRating
7.9
7,961 reviews
Search Delta flights
United AirlinesPriceFrom $233Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

Traveling to a place near Pasco?

Book flights to Pasco if you plan to visit one of these locations
Kennewick
Richland

Why use momondo?

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

It is quick and easy to find Ontario to Pasco flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Pasco that suits you.

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

Yes. momondo enables you to select and highlight flights to Pasco from Ontario with this policy.

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

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 Ontario to Pasco.

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

If you are simply researching potential flights to Pasco, momondo offers a useful price alert feature which will track prices for flights to Pasco from Ontario and alert you when they change.

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