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Cheap flights from Ontario to Pasco from $157

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 9/9. 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
8:00 am - 6:00 pmONT  Ontario-PSC Pasco Tri Cities
10h 00m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
8:32 pm - 9:09 amPSC  Pasco Tri Cities-ONT Ontario
12h 37m1 stop Las Vegas Harry Reid Intl
$257Multiple Airlines
Fri, Sep 25 - Mon, Sep 28
Alaska Airlines Logo
3:14 pm - 9:01 pmONT  Ontario-PSC Pasco Tri Cities
5h 47m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
8:04 am - 2:16 pmPSC  Pasco Tri Cities-ONT Ontario
6h 12m1 stop Seattle/Tacoma Intl
$311Alaska Airlines
Sat, Sep 19 - Sat, Sep 26
Delta Logo
6:01 pm - 11:52 pmONT  Ontario-PSC Pasco Tri Cities
5h 51m1 stop Seattle/Tacoma Intl
Delta Logo
6:00 am - 12:22 pmPSC  Pasco Tri Cities-ONT Ontario
6h 22m1 stop Salt Lake City
$321Delta
Tue, Oct 20 - Sat, Oct 24
Delta Logo
6:00 am - 11:56 amONT  Ontario-PSC Pasco Tri Cities
5h 56m1 stop Seattle/Tacoma Intl
Delta Logo
12:36 pm - 5:19 pmPSC  Pasco Tri Cities-ONT Ontario
4h 43m1 stop Seattle/Tacoma Intl
$321Delta
Sat, Sep 19 - Wed, Sep 23
Alaska Airlines Logo
12:12 pm - 4:52 pmONT  Ontario-PSC Pasco Tri Cities
4h 40m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:01 pm - 8:15 pmPSC  Pasco Tri Cities-ONT Ontario
4h 14m1 stop Portland
$321Alaska Airlines
Tue, Sep 29 - Sat, Oct 3
Alaska Airlines Logo
7:59 pm - 10:19 amONT  Ontario-PSC Pasco Tri Cities
14h 20m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
10:56 am - 7:03 pmPSC  Pasco Tri Cities-ONT Ontario
8h 07m1 stop Seattle/Tacoma Intl
$346Alaska Airlines
Fri, Sep 18 - Tue, Sep 22
Multiple Airlines Logo
8:00 am - 6:00 pmONT  Ontario-PSC Pasco Tri Cities
10h 00m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
8:32 pm - 11:47 pmPSC  Pasco Tri Cities-ONT Ontario
27h 15m2 stops Las Vegas Harry Reid Intl Denver Intl
$351Multiple Airlines
Fri, Sep 25 - Mon, Sep 28
Multiple Airlines Logo
2:30 pm - 6:44 pmONT  Ontario-PSC Pasco Tri Cities
28h 14m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
1:51 pm - 7:36 pmPSC  Pasco Tri Cities-ONT Ontario
29h 45m2 stops Santa Ana J. Wayne/Orange Cnty San Francisco
$356Multiple Airlines
Thu, Sep 10 - Thu, Sep 17
United Airlines Logo
5:00 am - 12:55 pmONT  Ontario-PSC Pasco Tri Cities
7h 55m1 stop Denver Intl
United Airlines Logo
12:45 pm - 8:20 pmPSC  Pasco Tri Cities-ONT Ontario
7h 35m1 stop Denver Intl
$401United Airlines
Wed, Jan 6 - Tue, Jan 12
United Airlines Logo
6:08 am - 12:12 pmONT  Ontario-PSC Pasco Tri Cities
6h 04m1 stop San Francisco
United Airlines Logo
5:15 am - 12:50 pmPSC  Pasco Tri Cities-ONT Ontario
7h 35m1 stop Denver Intl
$426United Airlines
Tue, Sep 15 - Tue, Sep 22

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Alaska Airlines flights from Ontario to Pasco

Our best Alaska Airlines deals on Ontario to Pasco flight tickets
Alaska Airlines
Sep 19
ONT3:14 pmOntario
5h 47m
1 stop
PSC9:01 pmPasco Tri Cities
Sep 26
PSC8:04 amPasco Tri Cities
6h 12m
1 stop
ONT2:16 pmOntario
$311
Alaska Airlines
Sep 19
ONT12:12 pmOntario
4h 40m
1 stop
PSC4:52 pmPasco Tri Cities
Sep 20
PSC5:20 amPasco Tri Cities
4h 31m
1 stop
ONT9:51 amOntario
$355
Alaska Airlines
Sep 17
ONT12:12 pmOntario
4h 40m
1 stop
PSC4:52 pmPasco Tri Cities
Sep 24
PSC2:04 pmPasco Tri Cities
4h 59m
1 stop
ONT7:03 pmOntario
$359

United Airlines flights from Ontario to Pasco

Our best United Airlines deals on Ontario to Pasco flight tickets
United Airlines
Jan 6
ONT5:00 amOntario
7h 55m
1 stop
PSC12:55 pmPasco Tri Cities
Jan 12
PSC12:45 pmPasco Tri Cities
7h 35m
1 stop
ONT8:20 pmOntario
$401
United Airlines
Sep 9
ONT6:08 amOntario
6h 04m
1 stop
PSC12:12 pmPasco Tri Cities
Sep 13
PSC1:35 pmPasco Tri Cities
6h 26m
1 stop
ONT8:01 pmOntario
$426
United Airlines
Aug 28
ONT1:18 pmOntario
7h 19m
1 stop
PSC8:37 pmPasco Tri Cities
Sep 1
PSC5:15 amPasco Tri Cities
7h 35m
1 stop
ONT12:50 pmOntario
$459

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 August 13, 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 Ontario - PSC Pasco Tri Cities

ONTPSC

Ontario

Fri 9/25

8:00 am-6:00 pm

1 stop10h 00m

Pasco Tri Cities

Mon 9/28

8:32 pm-9:09 am

1 stop12h 37m

$257

OntarioPasco

ONT Ontario - PSC Pasco Tri Cities

ONTPSC

Ontario

Sat 9/19

3:14 pm-9:01 pm

1 stop5h 47m

Pasco Tri Cities

Sat 9/26

8:04 am-2:16 pm

1 stop6h 12m

$311

OntarioPasco

ONT Ontario - PSC Pasco Tri Cities

ONTPSC

Ontario

Tue 10/20

6:01 pm-11:52 pm

1 stop5h 51m

Pasco Tri Cities

Sat 10/24

6:00 am-12:22 pm

1 stop6h 22m

$321

OntarioPasco

ONT Ontario - PSC Pasco Tri Cities

ONTPSC

Ontario

Sat 9/19

6:00 am-11:56 am

1 stop5h 56m

Pasco Tri Cities

Wed 9/23

12:36 pm-5:19 pm

1 stop4h 43m

$321
Quickest round-trip

OntarioPasco

ONT Ontario - PSC Pasco Tri Cities

ONTPSC

Ontario

Tue 9/29

12:12 pm-4:52 pm

1 stop4h 40m

Pasco Tri Cities

Sat 10/3

4:01 pm-8:15 pm

1 stop4h 14m

$321

OntarioPasco

ONT Ontario - PSC Pasco Tri Cities

ONTPSC

Ontario

Fri 9/18

7:59 pm-10:19 am

1 stop14h 20m

Pasco Tri Cities

Tue 9/22

10:56 am-7:03 pm

1 stop8h 07m

$346

OntarioPasco

ONT Ontario - PSC Pasco Tri Cities

ONTPSC

Ontario

Fri 9/25

8:00 am-6:00 pm

1 stop10h 00m

Pasco Tri Cities

Mon 9/28

8:32 pm-11:47 pm

2 stops27h 15m

$351

OntarioPasco

ONT Ontario - PSC Pasco Tri Cities

ONTPSC

Ontario

Thu 9/10

2:30 pm-6:44 pm

1 stop28h 14m

Pasco Tri Cities

Thu 9/17

1:51 pm-7:36 pm

2 stops29h 45m

$356

OntarioPasco

ONT Ontario - PSC Pasco Tri Cities

ONTPSC

Ontario

Wed 1/6

5:00 am-12:55 pm

1 stop7h 55m

Pasco Tri Cities

Tue 1/12

12:45 pm-8:20 pm

1 stop7h 35m

$401

OntarioPasco

ONT Ontario - PSC Pasco Tri Cities

ONTPSC

Ontario

Tue 9/15

6:08 am-12:12 pm

1 stop6h 04m

Pasco Tri Cities

Tue 9/22

5:15 am-12:50 pm

1 stop7h 35m

$426

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 February 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 Wednesday. Travelers who choose to depart for Pasco on a Wednesday will often find tickets for as low as $265. 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 $335. 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?

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 40m

Direct flights

None
The fastest flight from Ontario to Pasco takes 4h 40m
There are no direct flights from Ontario to Pasco. There are no popular flight routes from Ontario to Pasco.
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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 40m 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
8,503 reviews
Search Delta flights
United AirlinesPriceFrom $272Free CancellationRating
7.4
10,112 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $296Free CancellationRating
7.9
12,808 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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