Cheap flights from Idaho Falls to Portland from $56
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Portland departing on 7/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Allegiant Air flights from Idaho Falls to Portland
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Alaska Airlines flights from Idaho Falls to Portland
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How to get the cheapest flight ticket from Idaho Falls to Portland
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 typical price of a round-trip flight between Idaho Falls and Portland?
What is the cheapest month to fly to Portland?
The cheapest month to fly to Portland from Idaho Falls is in April. Flight prices, which tend to average around $90, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in April, then you should wait until May to fly from Idaho Falls, when ticket prices are also cheap, with an average price of $96.
What is the cheapest day to depart on your flight to Portland?
The cheapest day to depart on your flight to Portland is on a Monday when prices can be found for as low as $103. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Saturday, with ticket prices averaging around $412.
What is the cheapest time of day to depart on your flight to Portland?
The cheapest time of day to fly to Portland is in the afternoon when flights can be purchased for as low as $107. In the morning is when there is more demand to fly to Portland, so prices are often more expensive at around $510 per ticket.
What is the cheapest Idaho Falls Fanning Field to Portland flight route?
Fly from Idaho Falls Fanning Field to Portland for the best Idaho Falls Fanning Field - Portland flight prices
How far in advance should I book a flight to Portland?
You are more likely to see cheaper flights to Portland from Idaho Falls when booking 17 weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $225 when searching 17 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Idaho Falls for as low as $108 on momondo.
What cabin class options are available on Idaho Falls Fanning Field to Portland flights?
There are 1 cabin classes available to choose from on Idaho Falls Fanning Field to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Idaho Falls Fanning Field to Portland?
Allegiant Air, Delta, and American Airlines are the most popular carriers operating from Idaho Falls Fanning Field to Portland
What airlines fly to Portland?
Allegiant Air, Alaska Airlines and Delta are the top three most popular airlines that fly to Portland from Idaho Falls according to our data. Allegiant Air is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 4 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.
When to book flights from Idaho Falls to Portland
Cheap Idaho Falls to Portland (IDA to PDX) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to Portland
How far is Idaho Falls Fanning Field to Portland by plane?
Idaho Falls Fanning Field and Portland are 542.6 mi apart from one another. By plane, this route typically takes 1h 37m.
When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Portland Airport?
Prices for flights from Idaho Falls Fanning Field Airport to Portland Airport are updated daily.
How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to Portland Airport?
The number of operators available for flights from Idaho Falls Fanning Field Airport to Portland Airport is 3 as of June 2025.
How old do you have to be to fly from Idaho Falls Fanning Field Airport to Portland Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Idaho Falls to Portland?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Idaho Falls to Portland is Airbus A320-100/200 (96.36% of total bookings). The next most popular plane model is Embraer 175 (3.64%).
What is the most popular airline from Idaho Falls to Portland?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Idaho Falls to Portland is Allegiant Air (53% of total bookings). The next most popular airlines are Alaska Airlines (37%) and Delta (10%).
Best airlines flying from Idaho Falls to Portland
Compare and see reviews for airlines that fly from Idaho Falls to Portland with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $74 | Free Cancellation | Rating 7.3 725 reviews | |||
| PriceFrom $233 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $290 | Free Cancellation | Rating 8.0 7,950 reviews |
Traveling to a place near Portland?
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Why should I use momondo to find a flight deal from Idaho Falls to Portland?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho Falls to Portland. momondo saves you time and could save you money on your trip.
Can I find flights from Idaho Falls to Portland with flexible booking policies on momondo?
All flight searches from Idaho Falls to Portland on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Idaho Falls to Portland?
momondo provides multiple filters to help you find the best flight to Portland from Idaho Falls. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Idaho Falls to Portland right now. Can momondo alert me if prices change?
Price alerts on flights to Portland from Idaho Falls are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.