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Cheap flights from Idaho Falls to Portland from $58

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 4/18. 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

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Find the cheapest flights from Idaho Falls to Portland

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Idaho Falls to Portland.
Allegiant Air Logo
6:15 pm - 6:55 pmIDA-PDX
1h 40mnonstop
Allegiant Air Logo
2:47 pm - 5:25 pmPDX-IDA
1h 38mnonstop
$106Allegiant Air
Find Deal
Fri, Apr 18 - Mon, Apr 21
Allegiant Air Logo
4:50 pm - 5:29 pmIDA-PDX
1h 39mnonstop
Allegiant Air Logo
1:21 pm - 4:00 pmPDX-IDA
1h 39mnonstop
$118Allegiant Air
Find Deal
Fri, May 23 - Fri, May 30
Delta Logo
6:00 am - 8:59 amIDA-PDX
3h 59m1 stop
Delta Logo
5:26 pm - 10:56 pmPDX-IDA
4h 30m1 stop
$265Delta
Find Deal
Tue, Apr 29 - Tue, May 6
Delta Logo
6:50 pm - 11:43 pmIDA-PDX
5h 53m1 stop
Delta Logo
5:00 pm - 10:51 pmPDX-IDA
4h 51m1 stop
$325Delta
Find Deal
Thu, May 22 - Thu, May 29
Alaska Airlines Logo
6:00 am - 8:57 amIDA-PDX
3h 57m1 stop
Alaska Airlines Logo
8:04 pm - 10:36 pmPDX-IDA
25h 32m2 stops
$326Alaska Airlines
Find Deal
Tue, Apr 29 - Tue, May 6
Alaska Airlines Logo
4:11 pm - 8:51 amIDA-PDX
17h 40m2 stops
Alaska Airlines Logo
5:22 pm - 10:36 pmPDX-IDA
4h 14m1 stop
$371Alaska Airlines
Find Deal
Sat, Apr 19 - Sat, Apr 26
Hawaiian Airlines Logo
4:11 pm - 7:22 pmIDA-PDX
4h 11m1 stop
Hawaiian Airlines Logo
4:00 pm - 10:35 pmPDX-IDA
5h 35m1 stop
$454Hawaiian Airlines
Find Deal
Fri, Apr 18 - Mon, Apr 21
Hawaiian Airlines Logo
6:00 am - 9:53 amIDA-PDX
4h 53m1 stop
Hawaiian Airlines Logo
9:30 am - 3:40 pmPDX-IDA
5h 10m1 stop
$459Hawaiian Airlines
Find Deal
Fri, May 23 - Fri, May 30
United Airlines Logo
4:22 pm - 12:39 pmIDA-PDX
21h 17m2 stops
United Airlines Logo
7:54 am - 10:45 pmPDX-IDA
13h 51m2 stops
$580United Airlines
Find Deal
Fri, May 2 - Fri, May 16
United Airlines Logo
5:00 am - 12:30 amIDA-PDX
20h 30m2 stops
United Airlines Logo
3:42 pm - 9:44 amPDX-IDA
17h 02m2 stops
$671United Airlines
Find Deal
Fri, Jun 6 - Mon, Jun 9

Allegiant Air flights from Idaho Falls to Portland

Our best Allegiant Air deals on Idaho Falls to Portland flight tickets
Allegiant Air
Apr 18
IDA6:15 pmIdaho Falls Fanning Field
1h 40m
PDX6:55 pmPortland
Apr 21
PDX2:47 pmPortland
1h 38m
IDA5:25 pmIdaho Falls Fanning Field
Allegiant Air
May 23
IDA4:50 pmIdaho Falls Fanning Field
1h 39m
PDX5:29 pmPortland
May 30
PDX1:21 pmPortland
1h 39m
IDA4:00 pmIdaho Falls Fanning Field
Allegiant Air
Jun 6
IDA4:45 pmIdaho Falls Fanning Field
1h 37m
PDX5:22 pmPortland
Jun 9
PDX1:19 pmPortland
1h 36m
IDA3:55 pmIdaho Falls Fanning Field

Delta flights from Idaho Falls to Portland

Our best Delta deals on Idaho Falls to Portland flight tickets
Delta
Apr 29
IDA6:00 amIdaho Falls Fanning Field
3h 59m
1 stop
PDX8:59 amPortland
May 6
PDX5:26 pmPortland
4h 30m
1 stop
IDA10:56 pmIdaho Falls Fanning Field
Delta
May 22
IDA6:50 pmIdaho Falls Fanning Field
5h 53m
1 stop
PDX11:43 pmPortland
May 29
PDX5:00 pmPortland
4h 51m
1 stop
IDA10:51 pmIdaho Falls Fanning Field
Delta
Sep 16
IDA7:00 pmIdaho Falls Fanning Field
5h 48m
1 stop
PDX11:48 pmPortland
Sep 23
PDX5:20 pmPortland
4h 00m
1 stop
IDA10:20 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 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 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 $112.

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 $109. 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

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 18 weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $279 when searching 18 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 $126 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.

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

As of April 2025, prices for Idaho Falls to Portland flights are approximately 375% more expensive 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

$58

Fastest flight time

1h 37m

Direct flights

Sat

Airports in Portland

1 airport
The best one-way flight to Portland from Idaho Falls in the past 72 hours is $58. 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 37m
Direct flights go from Idaho Falls to Portland on 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 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?

  • 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 $74Free CancellationRating
7.3
732 reviews
Search Allegiant Air flights
DeltaPriceFrom $290Free CancellationRating
8.0
7,897 reviews
Search Delta flights
Alaska AirlinesPriceFrom $301Free CancellationRating
8.0
9,827 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
Seaside
Cannon Beach
Salem
Vancouver
Astoria
Long Beach
Depoe Bay
Beaverton
Hood River
Hillsboro
Rockaway Beach
Gresham
McMinnville
Tigard
Longview
Pacific City
The Dalles
Clackamas
Troutdale

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.


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