$119 Cheap Flights from Portland (PDX) to Pasco (PSC)

View $119 flight on Tue, Jan 20, 2026Opens in a new window

Popular airlines from Portland International Airport (PDX) to Tri-Cities Airport (PSC)

Cheap Flights from Portland to Pasco (PDX-PSC)

Prices were available within the past 7 days and start at $119 for one-way flights and $184 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Sat, Dec 6 - Tue, Dec 16
PDX
Portland
PSC
Pasco
$184 Roundtrip, found 21 hours ago
$184
Roundtrip
found 21 hours ago
Select Hawaiian Airlines flight, departing Sat, Dec 6 from Portland to Pasco, returning Tue, Dec 16, priced at $184 found 21 hours ago
Delta
Tue, Dec 2 - Tue, Dec 16
PDX
Portland
PSC
Pasco
$185 Roundtrip, found 21 hours ago
$185
Roundtrip
found 21 hours ago
Select Delta flight, departing Tue, Dec 2 from Portland to Pasco, returning Tue, Dec 16, priced at $185 found 21 hours ago
Delta
Mon, Dec 1 - Tue, Dec 16
PDX
Portland
PSC
Pasco
$195 Roundtrip, found 21 hours ago
$195
Roundtrip
found 21 hours ago
Select Delta flight, departing Mon, Dec 1 from Portland to Pasco, returning Tue, Dec 16, priced at $195 found 21 hours ago
Hawaiian Airlines
Tue, Dec 9 - Wed, Dec 24
PDX
Portland
PSC
Pasco
$203 Roundtrip, found 21 hours ago
$203
Roundtrip
found 21 hours ago
Select Hawaiian Airlines flight, departing Tue, Dec 9 from Portland to Pasco, returning Wed, Dec 24, priced at $203 found 21 hours ago
Delta
Tue, Dec 9 - Tue, Dec 23
PDX
Portland
PSC
Pasco
$204 Roundtrip, found 21 hours ago
$204
Roundtrip
found 21 hours ago
Select Delta flight, departing Tue, Dec 9 from Portland to Pasco, returning Tue, Dec 23, priced at $204 found 21 hours ago
Delta
Fri, Nov 21 - Sun, Dec 7
PDX
Portland
PSC
Pasco
$205 Roundtrip, found 1 day ago
$205
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Nov 21 from Portland to Pasco, returning Sun, Dec 7, priced at $205 found 1 day ago
Hawaiian Airlines
Thu, Dec 11 - Wed, Dec 24
PDX
Portland
PSC
Pasco
$213 Roundtrip, found 21 hours ago
$213
Roundtrip
found 21 hours ago
Select Hawaiian Airlines flight, departing Thu, Dec 11 from Portland to Pasco, returning Wed, Dec 24, priced at $213 found 21 hours ago
Alaska Airlines
Tue, Feb 10 - Wed, Feb 11
PDX
Portland
PSC
Pasco
$238 Roundtrip, found 1 day ago
$238
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Feb 10 from Portland to Pasco, returning Wed, Feb 11, priced at $238 found 1 day ago
United
Sat, Jan 17 - Sun, Jan 18
PDX
Portland
PSC
Pasco
$485 Roundtrip, found 4 days ago
$485
Roundtrip
found 4 days ago
Select United flight, departing Sat, Jan 17 from Portland to Pasco, returning Sun, Jan 18, priced at $485 found 4 days ago
American Airlines
Sun, Jan 25 - Sat, Jan 31
PDX
Portland
PSC
Pasco
$875 Roundtrip, found 3 days ago
$875
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, Jan 25 from Portland to Pasco, returning Sat, Jan 31, priced at $875 found 3 days ago

Find the cheapest month to fly from Portland (PDX) to Pasco (PSC)

February is typically the cheapest month to fly

From $172 - $433 per traveler.

Alternative airports near Pasco

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Tri-Cities PSC. Cheapest and Closest option available. Average driving time to city center is 4 minutes. Flights from $394
PSC
Tri-Cities
CheapestClosest
Average driving time to city center4 min
Flights from $394

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Tri-Cities Airport (PSC) cost?
Snag a cheap one-way flight from $119 or cheap return flight from $184 from Portland Intl. Airport (PDX) to Tri-Cities Airport (PSC) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Tri-Cities Airport (PSC)?
The cheapest month to fly from PDX to PSC is December, when demand is low. Off-peak season is usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Tri-Cities Airport (PSC)?
To find the cheapest airline that'll fly you from PDX to PSC, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Portland Intl. Airport (PDX) to Tri-Cities Airport (PSC)?
There aren't any daily direct flights from Portland Intl. Airport (PDX) to Tri-Cities Airport (PSC). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from PDX to PSC?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on various factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Tri-Cities Airport (PSC)?
To reach Tri-Cities Airport (PSC) on schedule, opt for a flight that leaves Portland Intl. Airport (PDX) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Pasco from Portland Intl. Airport (PDX)?
Browse your flight options from Portland Intl. Airport (PDX) to Eastern Oregon Regional Airport (PDT). This is the only airport in Pasco you can jet into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Tri-Cities Airport (PSC) last-minute?
Booking your plane ticket from PDX to PSC just before your getaway is generally more expensive. But if there's some wiggle room with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a PDX to PSC flight and hotel package?
You can save money by booking a PDX to PSC flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After choosing your preferred flights and accommodations, you can add extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Tri-Cities Airport (PSC)?
If you booked your PDX to PSC flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Origin airport
Portland Intl.
Destination airport
Tri-Cities
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$184
Distance
173 mi

Book with confidence

Portland to Pasco Flights

The cheapest times to fly from Portland to Pasco

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to Pasco are during the month of December. You can find some of the cheapest flights from Portland to Pasco with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Pasco

Sunday is one of the best days to book for cheap flights from Portland to Pasco: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to Pasco

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to Pasco in 2025. You can also book with separate airlines for your outbound and return journeys, from $119 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to Pasco flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to Pasco airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Portland to Pasco Flights

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*Available to One Key members.