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Cheap flights from Ontario to Pasco from $114

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 6/4. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:51 am - 7:58 pm
ONT
-
PSC
8h 07m
1 stop
Multiple Airlines Logo
8:48 pm - 3:08 pm
PSC
-
ONT
18h 20m
1 stop
$288Multiple Airlines
Fri, Jun 5 - Mon, Jun 8
Delta Logo
6:20 am - 11:48 am
ONT
-
PSC
5h 28m
1 stop
Delta Logo
3:25 pm - 10:41 pm
PSC
-
ONT
7h 16m
1 stop
$299Delta
Tue, Jun 23 - Thu, Jul 2
Alaska Airlines Logo
9:20 pm - 9:53 am
ONT
-
PSC
12h 33m
1 stop
Alaska Airlines Logo
5:17 pm - 11:24 pm
PSC
-
ONT
6h 07m
1 stop
$305Alaska Airlines
Fri, Aug 14 - Mon, Aug 24
Delta Logo
5:05 pm - 11:36 pm
ONT
-
PSC
6h 31m
1 stop
Delta Logo
5:00 pm - 11:44 pm
PSC
-
ONT
6h 44m
1 stop
$309Delta
Fri, Sep 18 - Tue, Sep 22
Delta Logo
6:45 am - 11:46 am
ONT
-
PSC
5h 01m
1 stop
Delta Logo
5:00 pm - 11:34 pm
PSC
-
ONT
6h 34m
1 stop
$310Delta
Fri, May 29 - Thu, Jun 4
Alaska Airlines Logo
9:20 pm - 9:53 am
ONT
-
PSC
12h 33m
1 stop
Alaska Airlines Logo
6:15 am - 11:14 am
PSC
-
ONT
4h 59m
1 stop
$311Alaska Airlines
Sat, Jun 20 - Sat, Jul 18
Alaska Airlines Logo
9:20 pm - 9:53 am
ONT
-
PSC
12h 33m
1 stop
Alaska Airlines Logo
6:00 am - 11:04 am
PSC
-
ONT
5h 04m
1 stop
$315Alaska Airlines
Fri, Aug 14 - Mon, Aug 24
Delta Logo
5:05 pm - 11:36 pm
ONT
-
PSC
6h 31m
1 stop
Delta Logo
5:45 pm - 10:40 pm
PSC
-
ONT
4h 55m
1 stop
$319Delta
Fri, Sep 18 - Mon, Sep 21
Alaska Airlines Logo
3:05 pm - 9:01 pm
ONT
-
PSC
5h 56m
1 stop
Alaska Airlines Logo
5:20 am - 9:51 am
PSC
-
ONT
4h 31m
1 stop
$321Alaska Airlines
Fri, Aug 21 - Sun, Aug 23
Alaska Airlines Logo
10:54 am - 3:22 pm
ONT
-
PSC
4h 28m
1 stop
Alaska Airlines Logo
6:15 am - 11:14 am
PSC
-
ONT
4h 59m
1 stop
$328Alaska Airlines
Fri, Jul 31 - Sat, Aug 8

Alaska Airlines flights from Ontario to Pasco

Our best Alaska Airlines deals on Ontario to Pasco flight tickets
Alaska Airlines
Aug 14
ONT9:20 pmOntario
12h 33m
1 stop
PSC9:53 amPasco Tri Cities
Aug 24
PSC5:17 pmPasco Tri Cities
6h 07m
1 stop
ONT11:24 pmOntario
$305
Alaska Airlines
Sep 18
ONT3:12 pmOntario
5h 49m
1 stop
PSC9:01 pmPasco Tri Cities
Sep 22
PSC8:00 amPasco Tri Cities
6h 18m
1 stop
ONT2:18 pmOntario
$309
Alaska Airlines
May 29
ONT7:41 pmOntario
4h 33m
1 stop
PSC12:14 amPasco Tri Cities
Jun 5
PSC7:17 pmPasco Tri Cities
4h 41m
1 stop
ONT11:58 pmOntario
$310

Delta flights from Ontario to Pasco

Our best Delta deals on Ontario to Pasco flight tickets
Delta
Jun 23
ONT6:20 amOntario
5h 28m
1 stop
PSC11:48 amPasco Tri Cities
Jul 2
PSC3:25 pmPasco Tri Cities
7h 16m
1 stop
ONT10:41 pmOntario
$299
Delta
Sep 18
ONT5:05 pmOntario
6h 31m
1 stop
PSC11:36 pmPasco Tri Cities
Sep 21
PSC5:45 pmPasco Tri Cities
4h 55m
1 stop
ONT10:40 pmOntario
$319
Delta
Jun 7
ONT5:59 pmOntario
6h 00m
1 stop
PSC11:59 pmPasco Tri Cities
Jun 13
PSC3:25 pmPasco Tri Cities
7h 16m
1 stop
ONT10:41 pmOntario
$334

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 May 11, 2026.
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

Cheapest round-trip

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Fri 6/5

11:51 am-7:58 pm

1 stop8h 07m

Pasco Tri Cities

Mon 6/8

8:48 pm-3:08 pm

1 stop18h 20m

$288

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Tue 6/23

6:20 am-11:48 am

1 stop5h 28m

Pasco Tri Cities

Thu 7/2

3:25 pm-10:41 pm

1 stop7h 16m

$299

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Fri 8/14

9:20 pm-9:53 am

1 stop12h 33m

Pasco Tri Cities

Mon 8/24

5:17 pm-11:24 pm

1 stop6h 07m

$305

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Fri 9/18

5:05 pm-11:36 pm

1 stop6h 31m

Pasco Tri Cities

Tue 9/22

5:00 pm-11:44 pm

1 stop6h 44m

$309

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Fri 5/29

6:45 am-11:46 am

1 stop5h 01m

Pasco Tri Cities

Thu 6/4

5:00 pm-11:34 pm

1 stop6h 34m

$310

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Sat 6/20

9:20 pm-9:53 am

1 stop12h 33m

Pasco Tri Cities

Sat 7/18

6:15 am-11:14 am

1 stop4h 59m

$311

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Fri 8/14

9:20 pm-9:53 am

1 stop12h 33m

Pasco Tri Cities

Mon 8/24

6:00 am-11:04 am

1 stop5h 04m

$315

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Fri 9/18

5:05 pm-11:36 pm

1 stop6h 31m

Pasco Tri Cities

Mon 9/21

5:45 pm-10:40 pm

1 stop4h 55m

$319

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Fri 8/21

3:05 pm-9:01 pm

1 stop5h 56m

Pasco Tri Cities

Sun 8/23

5:20 am-9:51 am

1 stop4h 31m

$321
Quickest round-trip

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Fri 7/31

10:54 am-3:22 pm

1 stop4h 28m

Pasco Tri Cities

Sat 8/8

6:15 am-11:14 am

1 stop4h 59m

$328

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 typical price of a round-trip flight between Ontario and Pasco?

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 $253. The month of June is another great option to travel to Pasco, with average flight prices from Ontario averaging around $298.

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 $877.

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 evening when flights can be purchased for as low as $290. 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 May 2026, prices for Ontario to Pasco flights are approximately 34% 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

Fastest flight time

4h 28m

Direct flights

None
The fastest flight from Ontario to Pasco takes 4h 28m
There are no direct flights from Ontario to Pasco. There are no popular flight routes from Ontario to Pasco.
Search flight deals

Frequently asked questions about flying from Ontario to Pasco

  • 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 28m 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
DeltaPriceFrom $218Free CancellationRating
7.9
8,455 reviews
Search Delta flights
Alaska AirlinesPriceFrom $237Free CancellationRating
7.9
12,352 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $272Free CancellationRating
7.4
9,699 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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