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Cheap flights from Ontario to Pasco from $129

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 12/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Ontario to Pasco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Hawaiian Airlines Logo
6:00 am - 1:04 pmONT-PSC
7h 04m1 stop
Hawaiian Airlines Logo
6:00 pm - 10:37 pmPSC-ONT
4h 37m1 stop
$206Hawaiian Airlines
Find Deal
Sat, Feb 28 - Tue, Mar 3
Delta Logo
3:30 pm - 11:08 pmONT-PSC
7h 38m1 stop
Delta Logo
5:35 pm - 12:09 pmPSC-ONT
18h 34m2 stops
$212Delta
Find Deal
Sat, Feb 28 - Tue, Mar 3
Delta Logo
6:00 am - 4:23 pmONT-PSC
10h 23m2 stops
Delta Logo
1:00 pm - 11:58 pmPSC-ONT
10h 58m2 stops
$218Delta
Find Deal
Fri, Dec 5 - Mon, Dec 8
Delta Logo
1:29 pm - 10:59 pmONT-PSC
9h 30m2 stops
Delta Logo
6:15 am - 11:13 amPSC-ONT
4h 58m1 stop
$231Delta
Find Deal
Fri, Dec 5 - Sun, Dec 7
Delta Logo
5:49 pm - 10:59 pmONT-PSC
5h 10m1 stop
Delta Logo
1:00 pm - 11:58 pmPSC-ONT
10h 58m2 stops
$232Delta
Find Deal
Fri, Dec 5 - Mon, Dec 8
Alaska Airlines Logo
7:33 pm - 8:53 pmONT-PSC
25h 20m1 stop
Alaska Airlines Logo
2:39 pm - 11:19 amPSC-ONT
20h 40m1 stop
$234Alaska Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 8
Alaska Airlines Logo
6:00 am - 9:32 amONT-PSC
27h 32m1 stop
Alaska Airlines Logo
10:26 am - 9:50 amPSC-ONT
23h 24m1 stop
$245Alaska Airlines
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Wed, Dec 17 - Mon, Jan 5
Multiple Airlines Logo
6:17 pm - 2:40 pmONT-PSC
20h 23m1 stop
Multiple Airlines Logo
9:11 am - 5:15 pmPSC-ONT
8h 04m1 stop
$261Multiple Airlines
Find Deal
Tue, Dec 23 - Mon, Jan 5
Multiple Airlines Logo
6:17 pm - 2:40 pmONT-PSC
20h 23m1 stop
Multiple Airlines Logo
9:11 am - 10:40 pmPSC-ONT
37h 29m2 stops
$282Multiple Airlines
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Tue, Dec 23 - Mon, Jan 5
United Airlines Logo
6:00 am - 11:41 amONT-PSC
5h 41m1 stop
United Airlines Logo
6:25 am - 12:17 pmPSC-ONT
5h 52m1 stop
$443United Airlines
Find Deal
Sat, Nov 29 - Tue, Dec 2

Alaska Airlines flights from Ontario to Pasco

Our best Alaska Airlines deals on Ontario to Pasco flight tickets
Alaska Airlines
Dec 5
ONT7:33 pmOntario
25h 20m
1 stop
PSC8:53 pmPasco Tri Cities
Dec 8
PSC2:39 pmPasco Tri Cities
20h 40m
1 stop
ONT11:19 amOntario
$234
Find similar
Alaska Airlines
Dec 17
ONT6:00 amOntario
27h 32m
1 stop
PSC9:32 amPasco Tri Cities
Jan 5
PSC10:26 amPasco Tri Cities
23h 24m
1 stop
ONT9:50 amOntario
$245
Find similar
Alaska Airlines
Dec 25
ONT6:00 amOntario
18h 17m
1 stop
PSC12:17 amPasco Tri Cities
Jan 2
PSC6:00 amPasco Tri Cities
18h 14m
1 stop
ONT12:14 amOntario
$255
Find similar

Delta flights from Ontario to Pasco

Our best Delta deals on Ontario to Pasco flight tickets
Delta
Feb 28
ONT3:30 pmOntario
7h 38m
1 stop
PSC11:08 pmPasco Tri Cities
Mar 3
PSC5:35 pmPasco Tri Cities
18h 34m
2 stops
ONT12:09 pmOntario
$212
Find similar
Delta
Dec 5
ONT6:00 amOntario
10h 23m
2 stops
PSC4:23 pmPasco Tri Cities
Dec 8
PSC1:00 pmPasco Tri Cities
10h 58m
2 stops
ONT11:58 pmOntario
$218
Find similar
Delta
Dec 5
ONT1:29 pmOntario
9h 30m
2 stops
PSC10:59 pmPasco Tri Cities
Dec 7
PSC6:15 amPasco Tri Cities
4h 58m
1 stop
ONT11:13 amOntario
$231
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 November 7, 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 2/28

6:00 am-1:04 pm

1 stop7h 04m

Pasco Tri Cities

Tue 3/3

6:00 pm-10:37 pm

1 stop4h 37m

$206

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Sat 2/28

3:30 pm-11:08 pm

1 stop7h 38m

Pasco Tri Cities

Tue 3/3

5:35 pm-12:09 pm

2 stops18h 34m

$212

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Fri 12/5

6:00 am-4:23 pm

2 stops10h 23m

Pasco Tri Cities

Mon 12/8

1:00 pm-11:58 pm

2 stops10h 58m

$218

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Fri 12/5

1:29 pm-10:59 pm

2 stops9h 30m

Pasco Tri Cities

Sun 12/7

6:15 am-11:13 am

1 stop4h 58m

$231

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Fri 12/5

5:49 pm-10:59 pm

1 stop5h 10m

Pasco Tri Cities

Mon 12/8

1:00 pm-11:58 pm

2 stops10h 58m

$232

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Fri 12/5

7:33 pm-8:53 pm

1 stop25h 20m

Pasco Tri Cities

Mon 12/8

2:39 pm-11:19 am

1 stop20h 40m

$234

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Wed 12/17

6:00 am-9:32 am

1 stop27h 32m

Pasco Tri Cities

Mon 1/5

10:26 am-9:50 am

1 stop23h 24m

$245

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Tue 12/23

6:17 pm-2:40 pm

1 stop20h 23m

Pasco Tri Cities

Mon 1/5

9:11 am-5:15 pm

1 stop8h 04m

$261

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Tue 12/23

6:17 pm-2:40 pm

1 stop20h 23m

Pasco Tri Cities

Mon 1/5

9:11 am-10:40 pm

2 stops37h 29m

$282

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Sat 11/29

6:00 am-11:41 am

1 stop5h 41m

Pasco Tri Cities

Tue 12/2

6:25 am-12:17 pm

1 stop5h 52m

$443

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 Wednesday. Travelers who choose to depart for Pasco on a Wednesday 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 November 2025, prices for Ontario to Pasco flights are approximately 58% 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.
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  • 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 51m 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
11,246 reviews
Search Alaska Airlines flights
DeltaPriceFrom $176Free CancellationRating
7.9
8,001 reviews
Search Delta flights
United AirlinesPriceFrom $233Free CancellationRating
7.4
9,007 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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