£108 Cheap Flights from Portland (PDX) to Pasco (PSC)

View £108 flight on Wed, 22 Jul 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £108 for one-way flights and £185 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, 10 Jul - Fri, 17 Jul
PDX
Portland
PSC
Pasco
£185 Return, found 6 days ago
£185
Return
found 6 days ago
Select Alaska Airlines flight, departing Fri, 10 Jul from Portland to Pasco, returning Fri, 17 Jul, priced at £185 found 6 days ago
Alaska Airlines
Wed, 15 Jul - Wed, 22 Jul
PDX
Portland
PSC
Pasco
£192 Return, found 6 days ago
£192
Return
found 6 days ago
Select Alaska Airlines flight, departing Wed, 15 Jul from Portland to Pasco, returning Wed, 22 Jul, priced at £192 found 6 days ago
Alaska Airlines
Sun, 12 Jul - Sun, 19 Jul
PDX
Portland
PSC
Pasco
£207 Return, found 6 days ago
£207
Return
found 6 days ago
Select Alaska Airlines flight, departing Sun, 12 Jul from Portland to Pasco, returning Sun, 19 Jul, priced at £207 found 6 days ago
Alaska Airlines
Fri, 10 Jul - Fri, 17 Jul
PDX
Portland
PSC
Pasco
£221 Return, found 6 days ago
£221
Return
found 6 days ago
Select Alaska Airlines flight, departing Fri, 10 Jul from Portland to Pasco, returning Fri, 17 Jul, priced at £221 found 6 days ago
Alaska Airlines
Mon, 13 Jul - Mon, 20 Jul
PDX
Portland
PSC
Pasco
£228 Return, found 6 days ago
£228
Return
found 6 days ago
Select Alaska Airlines flight, departing Mon, 13 Jul from Portland to Pasco, returning Mon, 20 Jul, priced at £228 found 6 days ago
Alaska Airlines
Wed, 15 Jul - Wed, 22 Jul
PDX
Portland
PSC
Pasco
£236 Return, found 6 days ago
£236
Return
found 6 days ago
Select Alaska Airlines flight, departing Wed, 15 Jul from Portland to Pasco, returning Wed, 22 Jul, priced at £236 found 6 days ago
Alaska Airlines
Fri, 10 Jul - Fri, 17 Jul
PDX
Portland
PSC
Pasco
£237 Return, found 6 days ago
£237
Return
found 6 days ago
Select Alaska Airlines flight, departing Fri, 10 Jul from Portland to Pasco, returning Fri, 17 Jul, priced at £237 found 6 days ago
Alaska Airlines
Fri, 10 Jul - Fri, 17 Jul
PDX
Portland
PSC
Pasco
£244 Return, found 6 days ago
£244
Return
found 6 days ago
Select Alaska Airlines flight, departing Fri, 10 Jul from Portland to Pasco, returning Fri, 17 Jul, priced at £244 found 6 days ago
Alaska Airlines
Fri, 10 Jul - Fri, 17 Jul
PDX
Portland
PSC
Pasco
£245 Return, found 6 days ago
£245
Return
found 6 days ago
Select Alaska Airlines flight, departing Fri, 10 Jul from Portland to Pasco, returning Fri, 17 Jul, priced at £245 found 6 days ago
Alaska Airlines
Fri, 10 Jul - Fri, 17 Jul
PDX
Portland
PSC
Pasco
£251 Return, found 6 days ago
£251
Return
found 6 days ago
Select Alaska Airlines flight, departing Fri, 10 Jul from Portland to Pasco, returning Fri, 17 Jul, priced at £251 found 6 days ago

Frequently asked questions

How much is a flight from PDX to Tri-Cities Airport (PSC)?
The lowest price advertised for a round-trip journey between PDX Airport and Tri-Cities Airport is £185. But you better act quick. This figure is taken from fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Portland Airport to Tri-Cities Airport (PSC)?
The majority of flights can be cancelled online, but whether or not you are charged a fee differs between airlines. If you do need to cancel your getaway, follow the instructions in the Customer Service Portal.
How do I find cheap flights from PDX Airport to PSC that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for PDX Airport to Tri-Cities Airport (PSC) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Portland Airport to PSC?
With a flight distance of 280 kilometres, it's only a short hop from PDX to Tri-Cities Airport (PSC). It might be a quick flight, but it's still worth bringing along a book to read.
Which airlines fly direct from Portland Airport to Tri-Cities Airport (PSC)?
Direct flights aren't available, so you'll need to make at least one stop between PDX and PSC. Use the layover time to stretch your legs and freshen up.
Are Portland Intl. Airport (PDX) to PSC flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from PDX to PSC can be hit-or-miss. You may be able to score a bargain, but then again, you could miss out altogether! If you'd prefer to start planning early, Expedia compares flight deals up to a year in advance. Just keep in mind that not all airlines issue their prices so far in advance. Our advice? Check back often as prices are updated regularly.

Travel information

Origin airport
Portland Intl.
Destination airport
Tri-Cities
Return price
£184
Distance
277 km

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