$119 Cheap Alaska Airlines flights Idaho Falls (IDA) to Pasco (PSC)

View $119 flight on Tue, Aug 26, 2025Opens in a new window

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$119 Cheap Alaska Airlines flights Idaho Falls (IDA) to Pasco (PSC)

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

Flights from Idaho Falls (IDA) to Pasco (PSC)
Origin airport
Idaho Falls Regional
Destination airport
Tri-Cities
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Popular airline
Alaska Airlines
Distance
393 mi

Frequently asked questions

How much is an Alaska Airlines flight from Idaho Falls Regional Airport (IDA) to Tri-Cities Airport (PSC)?
Finding cheap one-way Alaska Airlines flights from IDA to PSC from $119 on Expedia is simple --- just filter by "Price (lowest to highest)." Or check out our affordable round-trip fares for your next getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from IDA to PSC with Alaska Airlines?
Look for one-way or return flights to Pasco in January or February. You could find a cheap fare with Alaska Airlines during these off-peak travel months.
What is the cheapest time to book flights from Idaho Falls Regional Airport (IDA) to Tri-Cities Airport (PSC) with Alaska Airlines?
Begin your search one to three months ahead of your travel date to score cheap fares on Alaska Airlines flights from Idaho Falls Regional Airport (IDA) to Tri-Cities Airport (PSC). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get the timing right, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Alaska Airlines fly nonstop from Idaho Falls Regional Airport (IDA) to Tri-Cities Airport (PSC)?
To see if there's a direct journey from IDA to PSC with Alaska Airlines or another airline, check the "Nonstop" filter when searching for flights.
What is the earliest Alaska Airlines flight from IDA to PSC?
Filter your results by "Morning" and "Early Morning" to find the earliest flights from IDA to PSC. Heading off early means you're 20% less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Alaska Airlines fly into in Pasco?
Board an Alaska Airlines flight from Idaho Falls Regional Airport (IDA) to Pasco, and you'll probably come in to Tri-Cities Airport (PSC). This is the airline's main hub here.
Why fly with Alaska Airlines from IDA to PSC?
Traveling from IDA to PSC with Alaska Airlines comes with a host of perks, including a rewarding loyalty program and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can earn OneKeyCash™* to spend on select future travel purchases. That's in addition to the Mileage Plan points you can earn with Alaska Airlines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Alaska Airlines flight from Idaho Falls Regional Airport (IDA) to Tri-Cities Airport (PSC)?
Depending on the ticket type you purchased, a fee generally applies if you modify or cancel your flight more than 24 hours after it's confirmed. To secure tickets with more flexibility, select our "Changes included" and "No cancel fee" boxes when searching for flights. To learn more about canceling or modifying your reservation, head to "Trips," select your flight and click on "Manage Booking."

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*Available to One Key members.