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Cheap flights from Ontario to Pasco from $156

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 8/4. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Pasco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:09 pm - 8:11 pm
ONT
-
PSC
28h 02m
1 stop
Multiple Airlines Logo
9:01 pm - 3:54 pm
PSC
-
ONT
18h 53m
1 stop
$293Multiple Airlines
Thu, Aug 13 - Mon, Aug 17
Delta Logo
6:00 pm - 10:44 pm
ONT
-
PSC
4h 44m
1 stop
Delta Logo
5:23 pm - 11:47 pm
PSC
-
ONT
6h 24m
1 stop
$311Delta
Sat, Sep 19 - Tue, Sep 22
Multiple Airlines Logo
11:47 am - 8:11 pm
ONT
-
PSC
8h 24m
1 stop
Multiple Airlines Logo
9:01 pm - 8:03 am
PSC
-
ONT
11h 02m
1 stop
$318Multiple Airlines
Fri, Aug 7 - Mon, Aug 10
Alaska Airlines Logo
6:05 pm - 10:48 pm
ONT
-
PSC
4h 43m
1 stop
Alaska Airlines Logo
5:20 am - 9:48 am
PSC
-
ONT
4h 28m
1 stop
$320Alaska Airlines
Tue, Aug 25 - Wed, Aug 26
Alaska Airlines Logo
3:07 pm - 9:01 pm
ONT
-
PSC
5h 54m
1 stop
Alaska Airlines Logo
5:20 am - 9:48 am
PSC
-
ONT
4h 28m
1 stop
$329Alaska Airlines
Tue, Sep 1 - Wed, Sep 2
Delta Logo
6:00 pm - 11:54 pm
ONT
-
PSC
5h 54m
1 stop
Delta Logo
3:25 pm - 10:40 pm
PSC
-
ONT
7h 15m
1 stop
$336Delta
Fri, Sep 18 - Tue, Sep 22
Multiple Airlines Logo
4:09 pm - 8:11 pm
ONT
-
PSC
28h 02m
1 stop
Multiple Airlines Logo
9:01 pm - 10:04 am
PSC
-
ONT
13h 03m
2 stops
$337Multiple Airlines
Thu, Aug 13 - Mon, Aug 17
Multiple Airlines Logo
3:40 pm - 7:58 pm
ONT
-
PSC
28h 18m
1 stop
Multiple Airlines Logo
8:48 pm - 8:03 am
PSC
-
ONT
11h 15m
1 stop
$338Multiple Airlines
Thu, Jul 30 - Mon, Aug 3
Alaska Airlines Logo
7:12 am - 3:23 pm
ONT
-
PSC
8h 11m
1 stop
Alaska Airlines Logo
5:20 am - 9:51 am
PSC
-
ONT
4h 31m
1 stop
$345Alaska Airlines
Wed, Sep 9 - Sun, Sep 13
Multiple Airlines Logo
10:49 am - 1:55 pm
ONT
-
PSC
27h 06m
2 stops
Multiple Airlines Logo
9:01 pm - 3:14 pm
PSC
-
ONT
18h 13m
1 stop
$346Multiple Airlines
Wed, Aug 5 - Mon, Aug 10

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Alaska Airlines flights from Ontario to Pasco

Our best Alaska Airlines deals on Ontario to Pasco flight tickets
Alaska Airlines
Aug 25
ONT6:05 pmOntario
4h 43m
1 stop
PSC10:48 pmPasco Tri Cities
Aug 26
PSC5:20 amPasco Tri Cities
4h 28m
1 stop
ONT9:48 amOntario
$320
Alaska Airlines
Sep 1
ONT3:07 pmOntario
5h 54m
1 stop
PSC9:01 pmPasco Tri Cities
Sep 2
PSC5:20 amPasco Tri Cities
4h 28m
1 stop
ONT9:48 amOntario
$329
Alaska Airlines
Sep 9
ONT7:12 amOntario
8h 11m
1 stop
PSC3:23 pmPasco Tri Cities
Sep 13
PSC5:20 amPasco Tri Cities
4h 31m
1 stop
ONT9:51 amOntario
$345

Delta flights from Ontario to Pasco

Our best Delta deals on Ontario to Pasco flight tickets
Delta
Sep 19
ONT6:00 pmOntario
4h 44m
1 stop
PSC10:44 pmPasco Tri Cities
Sep 22
PSC5:23 pmPasco Tri Cities
6h 24m
1 stop
ONT11:47 pmOntario
$311
Delta
Sep 18
ONT6:00 pmOntario
5h 54m
1 stop
PSC11:54 pmPasco Tri Cities
Sep 22
PSC3:25 pmPasco Tri Cities
7h 15m
1 stop
ONT10:40 pmOntario
$336
Delta
Aug 13
ONT6:00 amOntario
7h 06m
1 stop
PSC1:06 pmPasco Tri Cities
Aug 16
PSC5:24 pmPasco Tri Cities
6h 10m
1 stop
ONT11:34 pmOntario
$361

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 June 30, 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

Thu 8/13

4:09 pm-8:11 pm

1 stop28h 02m

Pasco Tri Cities

Mon 8/17

9:01 pm-3:54 pm

1 stop18h 53m

$293

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Sat 9/19

6:00 pm-10:44 pm

1 stop4h 44m

Pasco Tri Cities

Tue 9/22

5:23 pm-11:47 pm

1 stop6h 24m

$311

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Fri 8/7

11:47 am-8:11 pm

1 stop8h 24m

Pasco Tri Cities

Mon 8/10

9:01 pm-8:03 am

1 stop11h 02m

$318
Quickest round-trip

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Tue 8/25

6:05 pm-10:48 pm

1 stop4h 43m

Pasco Tri Cities

Wed 8/26

5:20 am-9:48 am

1 stop4h 28m

$320

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Tue 9/1

3:07 pm-9:01 pm

1 stop5h 54m

Pasco Tri Cities

Wed 9/2

5:20 am-9:48 am

1 stop4h 28m

$329

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Fri 9/18

6:00 pm-11:54 pm

1 stop5h 54m

Pasco Tri Cities

Tue 9/22

3:25 pm-10:40 pm

1 stop7h 15m

$336

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Thu 8/13

4:09 pm-8:11 pm

1 stop28h 02m

Pasco Tri Cities

Mon 8/17

9:01 pm-10:04 am

2 stops13h 03m

$337

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Thu 7/30

3:40 pm-7:58 pm

1 stop28h 18m

Pasco Tri Cities

Mon 8/3

8:48 pm-8:03 am

1 stop11h 15m

$338

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Wed 9/9

7:12 am-3:23 pm

1 stop8h 11m

Pasco Tri Cities

Sun 9/13

5:20 am-9:51 am

1 stop4h 31m

$345

OntarioPasco

ONT - PSC

ONTPSC

Ontario

Wed 8/5

10:49 am-1:55 pm

2 stops27h 06m

Pasco Tri Cities

Mon 8/10

9:01 pm-3:14 pm

1 stop18h 13m

$346

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 October is, on average, the cheapest month to fly to Pasco from Ontario, with most prices found around $317. The month of September is another great option to travel to Pasco, with average flight prices from Ontario averaging around $348.

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

The cheapest day to depart from Ontario to Pasco is on a Saturday. Travelers who choose to depart for Pasco on a Saturday will often find tickets for as low as $237. 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 $304. 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 June 2026, prices for Ontario to Pasco flights are approximately 24% more expensive 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 44m

Direct flights

None
The fastest flight from Ontario to Pasco takes 4h 44m
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 44m 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 $238Free CancellationRating
7.8
8,451 reviews
Search Delta flights
United AirlinesPriceFrom $272Free CancellationRating
7.4
9,897 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $296Free CancellationRating
7.9
12,595 reviews
Search Alaska 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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