Cheap flight deals from Idaho Falls to Portland

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

Round-trip
One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Info | Idaho Falls to Portland

Cheapest one-way flight price	Rp 2,041,991
Cheapest round-trip ticket price	Rp 1,651,168
Off-season for travel	March
Peak season for travel	January
Flight distance	864.7 km
Average flight time	1 hour 40 minutes
Popular airline	Alaska Airlines

When is the cheapest time to fly from Idaho Falls to Portland?

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights

From price

20 27
May

27 4
4 11
11 18
18 25
Jun

25 1
1 8
8 15
15 22
22 29
Jul

29 6
6 13

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

When are flight tickets from Idaho Falls (IDA) to Portland (PDX) the cheapest?

Airlines adjust prices for flights from Idaho Falls to Portland based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Idaho Falls (IDA) to Portland (PDX) cost?

According to Trip.com's data, the lowest price is around Rp 6,188,413.
How long does it take to fly from Idaho Falls (IDA) to Portland (PDX) and what is the distance?

It takes around 1 hour 40 minutes to fly from Idaho Falls (IDA) to Portland (PDX).
What are the most popular airlines that fly from Idaho Falls (IDA) to Portland (PDX)?

Airlines with flights from Idaho Falls (IDA) to Portland (PDX): Allegiant Air.

How to find a cheap flight from Idaho Falls to Portland

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Idaho Falls to Portland. Book your flights at the right time and save more.

Be flexible with your travel dates to get the cheapest Idaho Falls to Portland ticket.

Tap "Date" in the flight search bar to browse the calendar and find airfare from Idaho Falls to Portland for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is Rp 2041991 for a one-way ticket on Wed, Jun 4.

Compare cheap Idaho Falls to Portland flight deals from hundreds of airlines.

Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from Idaho Falls to Portland. The most affordable airline currently operating on this route is Alaska Airlines.

Set up a Price Alert to track fare drops.

Set up a Price Alert for your Idaho Falls to Portland route to track ticket prices effortlessly—no need to check manually every day.

Don't miss out on cheap Idaho Falls to Portland flight deals and promo codes.

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Book early or wait unitl the last minute to fine the best fares.

It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.

Search for flights on the go.

For the best booking experience on the go, download Trip.com and search for cheap flights from Idaho Falls to Portland to access exclusive deals just for you.