Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Idaho Falls to Portland from $106

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Portland departing on 4/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Idaho Falls to Portland

Cheap round-trip flights

These are some of the best round-trip flight deals from Idaho Falls to Portland that have been recently found on momondo from popular airlines, departing in the coming months.
6:15 pm - 6:55 pmIDA-PDX
1h 40mnonstop
2:47 pm - 5:25 pmPDX-IDA
1h 38mnonstop
$106Allegiant Air
Find Deal
Mon, Apr 7 - Mon, Apr 21
6:27 pm - 7:07 pmIDA-PDX
1h 40mnonstop
2:59 pm - 5:37 pmPDX-IDA
1h 38mnonstop
$133Allegiant Air
Find Deal
Fri, Mar 28 - Mon, Mar 31
6:55 pm - 11:44 pmIDA-PDX
5h 49m1 stop
5:26 pm - 10:56 pmPDX-IDA
4h 30m1 stop
$317Delta
Find Deal
Mon, Apr 7 - Mon, Apr 21
8:00 am - 9:05 amIDA-PDX
26h 05m1 stop
7:11 pm - 10:36 pmPDX-IDA
26h 25m2 stops
$388Alaska Airlines
Find Deal
Mon, Apr 7 - Mon, Apr 21
8:00 am - 10:52 amIDA-PDX
3h 52m1 stop
8:59 pm - 10:35 pmPDX-IDA
24h 36m2 stops
$408Alaska Airlines
Find Deal
Fri, Mar 28 - Mon, Mar 31
4:11 pm - 3:36 pmIDA-PDX
24h 25m2 stops
7:11 pm - 10:36 pmPDX-IDA
26h 25m2 stops
$417Alaska Airlines
Find Deal
Mon, Apr 7 - Mon, Apr 21
8:00 am - 4:39 pmIDA-PDX
9h 39m2 stops
8:59 pm - 10:35 pmPDX-IDA
24h 36m2 stops
$432Alaska Airlines
Find Deal
Fri, Mar 28 - Mon, Mar 31
8:00 am - 9:51 amIDA-PDX
26h 51m1 stop
11:50 am - 10:35 pmPDX-IDA
9h 45m1 stop
$457Alaska Airlines
Find Deal
Fri, Mar 21 - Sun, Mar 23
8:00 am - 10:52 amIDA-PDX
3h 52m1 stop
1:25 pm - 3:34 pmPDX-IDA
25h 09m1 stop
$473Alaska Airlines
Find Deal
Fri, Mar 28 - Sun, Mar 30
6:00 am - 3:23 pmIDA-PDX
10h 23m2 stops
2:05 pm - 10:33 pmPDX-IDA
7h 28m2 stops
$1,451Delta
Find Deal
Fri, Mar 21 - Sun, Mar 23

Alaska Airlines flights from Idaho Falls to Portland

Our best Alaska Airlines deals on Idaho Falls to Portland flight tickets
Alaska Airlines
Apr 7
IDA8:00 amIdaho Falls Fanning Field
26h 05m
1 stop
PDX9:05 amPortland
Apr 21
PDX7:11 pmPortland
26h 25m
2 stops
IDA10:36 pmIdaho Falls Fanning Field
Alaska Airlines
Mar 28
IDA8:00 amIdaho Falls Fanning Field
3h 52m
1 stop
PDX10:52 amPortland
Mar 31
PDX8:59 pmPortland
24h 36m
2 stops
IDA10:35 pmIdaho Falls Fanning Field
Alaska Airlines
Apr 7
IDA4:11 pmIdaho Falls Fanning Field
24h 25m
2 stops
PDX3:36 pmPortland
Apr 21
PDX7:11 pmPortland
26h 25m
2 stops
IDA10:36 pmIdaho Falls Fanning Field

Delta flights from Idaho Falls to Portland

Our best Delta deals on Idaho Falls to Portland flight tickets
Delta
Apr 7
IDA6:55 pmIdaho Falls Fanning Field
5h 49m
1 stop
PDX11:44 pmPortland
Apr 21
PDX5:26 pmPortland
4h 30m
1 stop
IDA10:56 pmIdaho Falls Fanning Field
Delta
Feb 21
IDA1:10 pmIdaho Falls Fanning Field
6h 06m
1 stop
PDX6:16 pmPortland
Feb 22
PDX1:36 pmPortland
8h 08m
2 stops
IDA10:44 pmIdaho Falls Fanning Field
Delta
Feb 21
IDA1:10 pmIdaho Falls Fanning Field
8h 40m
2 stops
PDX8:50 pmPortland
Feb 22
PDX1:36 pmPortland
8h 08m
2 stops
IDA10:44 pmIdaho Falls Fanning Field

See travel insights to Portland from

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 cheapest month to fly to Portland?

The cheapest month to fly to Portland from Idaho Falls is in January. Flight prices, which tend to average around $99, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in January, then you should wait until July to fly from Idaho Falls, when ticket prices are also cheap, with an average price of $105.

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 $122. 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 at noon when flights can be purchased for as low as $116. 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

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.

How have Idaho Falls to Portland flight prices changed over time?

As of February 2025, prices for Idaho Falls to Portland flights are approximately 33% cheaper when compared to flights at the same time last year.

When to book flights from Idaho Falls to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from Idaho Falls to Portland according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Best Price Found

$158

Fastest flight time

1h 40m

Direct flights

Tue and Sat

Airports in Portland

1 airport
The best one-way flight to Portland from Idaho Falls in the past 72 hours is $158. The best round-trip flight deal from Idaho Falls to Portland found on momondo in the last 72 hours is $106.
The fastest flight from Idaho Falls to Portland takes 1h 40m
Direct flights go from Idaho Falls to Portland on Tuesday and Saturday. The only airline offering direct flights is Allegiant Air.
There is 1 airport near Portland: Portland (PDX)

  • 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 40m.

  • 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?

  • 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?

  • What is the most popular airline from Idaho Falls to Portland?


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
Allegiant AirPriceFrom $86Free CancellationRating
7.3
765 reviews
Search Allegiant Air flights
DeltaPriceFrom $290Free CancellationRating
8.0
8,219 reviews
Search Delta flights
Alaska AirlinesPriceFrom $310Free CancellationRating
8.0
9,697 reviews
Search Alaska Airlines flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Cannon Beach
Seaside
Salem
Vancouver
Astoria
Long Beach
Depoe Bay
Beaverton
Hood River
Hillsboro
Rockaway Beach
Gresham
Tigard
Longview
McMinnville
Clackamas
Pacific City
Troutdale
Tillamook

Why use momondo?

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.


An easier way to manage your Portland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Tue 2/25
Tue 3/4

Find better results for your trip to the United States