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Cheap flights from Portland to Idaho Falls from $62

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Idaho Falls departing on 11/25. 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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Find the cheapest flights from Portland to Idaho Falls

Cheap round-trip flights

These are some of the best round-trip flight deals from Portland to Idaho Falls that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Portland to Idaho Falls.

Cheap last minute flights

Planning a quick getaway from Portland to Idaho Falls? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Idaho Falls, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Portland to Idaho Falls

Find recent round-trip train or bus tickets from Portland to Idaho Falls.

All round-trip flight deals to Idaho Falls

The cheapest plane tickets to Idaho Falls found on KAYAK recently.
11:15 am - 1:53 pmPDX-IDA
1h 38mnonstop
2:43 pm - 3:32 pmIDA-PDX
1h 49mnonstop
$102Allegiant Air
Find Deal
Fri, Dec 6 - Mon, Dec 9
2:47 pm - 5:25 pmPDX-IDA
1h 38mnonstop
6:15 pm - 6:55 pmIDA-PDX
1h 40mnonstop
$120Allegiant Air
Find Deal
Fri, Apr 25 - Mon, Apr 28
11:15 am - 1:53 pmPDX-IDA
1h 38mnonstop
6:25 pm - 11:48 pmIDA-PDX
6h 23m1 stop
Fri, Dec 13 - Mon, Dec 16
2:47 pm - 5:25 pmPDX-IDA
1h 38mnonstop
9:34 pm - 12:22 pmIDA-PDX
15h 48m1 stop
Fri, Apr 25 - Mon, Apr 28
11:49 am - 11:59 pmPDX-IDA
11h 10m1 stop
6:00 am - 9:28 amIDA-PDX
4h 28m1 stop
$330Alaska Airlines
Find Deal
Fri, Dec 13 - Mon, Dec 16
11:50 am - 3:27 pmPDX-IDA
26h 37m1 stop
8:00 am - 12:35 pmIDA-PDX
5h 35m1 stop
$331Alaska Airlines
Find Deal
Fri, Jan 17 - Mon, Jan 20
1:30 pm - 6:24 pmPDX-IDA
3h 54m1 stop
6:55 pm - 11:57 pmIDA-PDX
6h 02m1 stop
$383Delta
Find Deal
Thu, Dec 5 - Wed, Dec 11
1:30 pm - 6:24 pmPDX-IDA
3h 54m1 stop
6:55 pm - 12:28 amIDA-PDX
6h 33m2 stops
$396Delta
Find Deal
Thu, Dec 5 - Wed, Dec 11
3:20 pm - 5:24 pmPDX-IDA
25h 04m2 stops
6:05 pm - 3:20 pmIDA-PDX
22h 15m2 stops
$545United Airlines
Find Deal
Fri, Dec 13 - Mon, Dec 16
3:41 pm - 9:28 amPDX-IDA
16h 47m2 stops
5:57 pm - 6:36 pmIDA-PDX
25h 39m2 stops
$635United Airlines
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Fri, Apr 11 - Mon, Apr 14
10:15 am - 12:50 pmPDX-IDA
1h 35mnonstop
$62Allegiant Air
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Mon, Nov 25
5:02 pm - 11:59 pmPDX-IDA
29h 57m2 stops
$171Alaska Airlines
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Tue, Dec 10
9:29 pm - 11:59 pmPDX-IDA
25h 30m1 stop
$187Alaska Airlines
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Tue, Dec 24
7:30 am - 3:02 pmPDX-IDA
6h 32m1 stop
$214Alaska Airlines
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Tue, Dec 10
8:15 pm - 11:59 pmPDX-IDA
26h 44m2 stops
$221Alaska Airlines
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Tue, Dec 24
5:45 am - 5:03 pmPDX-IDA
10h 18m2 stops
Mon, Nov 25
1:34 pm - 5:00 pmPDX-IDA
26h 26m3 stops
$306United Airlines
Find Deal
Tue, Dec 24
5:10 am - 10:15 pmPDX-IDA
16h 05m1 stop
$320American Airlines
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Mon, Nov 25
1:30 pm - 6:24 pmPDX-IDA
3h 54m1 stop
$348Delta
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Mon, Nov 25
7:50 pm - 1:31 pmPDX-IDA
16h 41m3 stops
$505United Airlines
Find Deal
Mon, Nov 25
2:48 pm - 5:23 pmPDX-IDA
1h 35mnonstop
9:25 pm - 2:58 pmIDA-PDX
18h 33m2 stops
$570Allegiant Air
Find Deal
Fri, Nov 22 - Tue, Nov 26
5:44 pm - 11:56 pmPDX-IDA
5h 12m1 stop
6:00 am - 9:52 pmIDA-PDX
16h 52m2 stops
$664Alaska Airlines
Find Deal
Sat, Nov 23 - Mon, Nov 25
11:50 am - 11:56 pmPDX-IDA
11h 06m1 stop
6:00 am - 9:36 amIDA-PDX
4h 36m1 stop
$736Alaska Airlines
Find Deal
Sat, Nov 23 - Tue, Nov 26
9:20 am - 3:12 pmPDX-IDA
4h 52m1 stop
6:00 am - 5:13 pmIDA-PDX
12h 13m2 stops
$762Alaska Airlines
Find Deal
Fri, Nov 22 - Tue, Nov 26
5:19 pm - 10:53 pmPDX-IDA
4h 34m1 stop
1:05 pm - 9:07 pmIDA-PDX
9h 02m2 stops
$795Delta
Find Deal
Sat, Nov 23 - Fri, Nov 29
11:28 am - 11:56 pmPDX-IDA
11h 28m2 stops
6:00 am - 3:58 pmIDA-PDX
10h 58m2 stops
$883Alaska Airlines
Find Deal
Sat, Nov 23 - Mon, Nov 25
2:05 pm - 10:53 pmPDX-IDA
7h 48m2 stops
1:05 pm - 9:07 pmIDA-PDX
9h 02m2 stops
$963Delta
Find Deal
Sat, Nov 23 - Fri, Nov 29
7:50 pm - 1:31 pmPDX-IDA
16h 41m3 stops
5:59 pm - 10:15 amIDA-PDX
17h 16m2 stops
$973United Airlines
Find Deal
Sat, Nov 23 - Mon, Nov 25
6:00 am - 9:14 pmPDX-IDA
14h 14m2 stops
7:00 am - 8:13 pmIDA-PDX
14h 13m2 stops
$1,065United Airlines
Find Deal
Fri, Nov 22 - Tue, Nov 26
7:50 pm - 1:31 pmPDX-IDA
16h 41m3 stops
5:59 pm - 10:15 amIDA-PDX
17h 16m2 stops
$1,084United Airlines
Find Deal
Sat, Nov 23 - Fri, Nov 29
11:15 am - 1:53 pmPDX-IDA
1h 38mnonstop
2:43 pm - 3:32 pmIDA-PDX
1h 49mnonstop
$102Allegiant Air
Find Deal
Fri, Dec 6 - Mon, Dec 9
2:47 pm - 5:25 pmPDX-IDA
1h 38mnonstop
6:15 pm - 6:55 pmIDA-PDX
1h 40mnonstop
$120Allegiant Air
Find Deal
Fri, Apr 25 - Mon, Apr 28
11:15 am - 1:56 pmPDX-IDA
1h 41mnonstop
2:46 pm - 3:40 pmIDA-PDX
1h 54mnonstop
$122Allegiant Air
Find Deal
Fri, Jan 17 - Mon, Jan 20
11:15 am - 1:53 pmPDX-IDA
1h 38mnonstop
2:43 pm - 3:32 pmIDA-PDX
1h 49mnonstop
$151Allegiant Air
Find Deal
Fri, Dec 13 - Mon, Dec 16

Delta flights from Portland to Idaho Falls

Our best Delta deals on Portland to Idaho Falls flight tickets
Delta
Dec 5
PDX1:30 pmPortland
3h 54m
1 stop
IDA6:24 pmIdaho Falls Fanning Field
Dec 11
IDA6:55 pmIdaho Falls Fanning Field
6h 02m
1 stop
PDX11:57 pmPortland
Delta
Dec 5
PDX1:30 pmPortland
3h 54m
1 stop
IDA6:24 pmIdaho Falls Fanning Field
Dec 11
IDA6:55 pmIdaho Falls Fanning Field
6h 33m
2 stops
PDX12:28 amPortland
Delta
Dec 5
PDX5:19 pmPortland
4h 34m
1 stop
IDA10:53 pmIdaho Falls Fanning Field
Dec 9
IDA6:55 pmIdaho Falls Fanning Field
6h 02m
1 stop
PDX11:57 pmPortland

United Airlines flights from Portland to Idaho Falls

Our best United Airlines deals on Portland to Idaho Falls flight tickets
United Airlines
Dec 13
PDX3:20 pmPortland
25h 04m
2 stops
IDA5:24 pmIdaho Falls Fanning Field
Dec 16
IDA6:05 pmIdaho Falls Fanning Field
22h 15m
2 stops
PDX3:20 pmPortland
United Airlines
Apr 11
PDX3:41 pmPortland
16h 47m
2 stops
IDA9:28 amIdaho Falls Fanning Field
Apr 14
IDA5:57 pmIdaho Falls Fanning Field
25h 39m
2 stops
PDX6:36 pmPortland
United Airlines
Dec 6
PDX1:20 pmPortland
19h 33m
2 stops
IDA9:53 amIdaho Falls Fanning Field
Dec 9
IDA6:05 pmIdaho Falls Fanning Field
22h 15m
2 stops
PDX3:20 pmPortland

How to get the cheapest flight ticket from Portland to Idaho Falls

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 Portland and Idaho Falls?

What is the cheapest month to fly from Portland to Idaho Falls?

June. The cheapest time of year to fly to Idaho Falls from Portland is June. Most expensive is April

What is the cheapest day to depart Portland for Idaho Falls?

Friday. The cheapest day of the week is typically Friday. The most expensive is typically Saturday

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

In the afternoon. Portland to Idaho Falls flights are approximately 58% more expensive in the morning than in the afternoon

What is the cheapest airline that flies to Idaho Falls from Portland?

Allegiant Air. Allegiant Air, Delta, and Alaska Airlines are the most popular carriers operating from Portland to Idaho Falls

What is the cheapest Portland to Idaho Falls flight route?

Portland - Idaho Falls Fanning Field. Fly from Portland to Idaho Falls Fanning Field for the best Portland - Idaho Falls flight prices

Can stopping save me money on Portland to Idaho Falls flights?

You could potentially save up to 8% on your flight if you consider stops on a Portland to Idaho Falls flight.

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

As of November 2024, prices for Portland to Idaho Falls flights are approximately 56% more expensive when compared to flights at the same time last year.

When to book flights from Portland to Idaho Falls

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

Cheap Portland to Idaho Falls (PDX to IDA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Idaho Falls

Best Price Found

$62

Fastest flight time

1h 35m

Direct flights

Tue and Sat

Airports in Idaho Falls

1 airport
The best one-way flight to Idaho Falls from Portland in the past 72 hours is $62. The best round-trip flight deal from Portland to Idaho Falls found on momondo in the last 72 hours is $102.
The fastest flight from Portland to Idaho Falls takes 1h 35m
Direct flights go from Portland to Idaho Falls on Tuesday and Saturday. The only airline offering direct flights is Allegiant Air.
There is 1 airport near Idaho Falls: Idaho Falls Fanning Field (IDA)

  • How far is Portland to Idaho Falls Fanning Field by plane?

    Idaho Falls Fanning Field is 542.6 mi away from Portland. Typically, this will take 1h 38m by plane in normal conditions.

  • When did momondo last update prices for flights from Portland Airport to Idaho Falls Fanning Field Airport?

    Prices for flights from Portland Airport to Idaho Falls Fanning Field Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to Idaho Falls Fanning Field Airport?

  • How old do you have to be to fly from Portland Airport to Idaho Falls Fanning Field Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The travel and health documents you'll need for your trip to Idaho Falls Fanning Field Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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


Best airlines flying from Portland to Idaho Falls

Compare and see reviews for airlines that fly from Portland to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $91Free CancellationRating
7.3
850 reviews
Search Allegiant Air flights
Alaska AirlinesPriceFrom $293Free CancellationRating
8.0
9,451 reviews
Search Alaska Airlines flights
DeltaPriceFrom $296Free CancellationRating
8.0
8,766 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Idaho Falls?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Idaho Falls from Portland.

Can I find flights from Portland to Idaho Falls with flexible booking policies on momondo?

All flight searches from Portland to Idaho Falls on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Portland to Idaho Falls?

momondo provides multiple filters to help you find the best flight to Idaho Falls from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Portland to Idaho Falls right now. Can momondo alert me if prices change?

Price alerts on flights to Idaho Falls from Portland 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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