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Cheap flights from Idaho Falls to Portland from $95

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 8/8. 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 Idaho Falls to Portland

Cheap round-trip flights

Allegiant Air Logo
5:22 pm - 6:07 pmIDA-PDX
1h 45mnonstop
Allegiant Air Logo
1:54 pm - 4:32 pmPDX-IDA
1h 38mnonstop
$151Allegiant Air
Find Deal
Fri, Nov 21 - Mon, Nov 24
Allegiant Air Logo
5:22 pm - 6:07 pmIDA-PDX
1h 45mnonstop
Allegiant Air Logo
1:54 pm - 4:32 pmPDX-IDA
1h 38mnonstop
$162Allegiant Air
Find Deal
Fri, Nov 21 - Mon, Nov 24
Logo
9:43 pm - 10:49 amIDA-PDX
14h 06m1 stop
Logo
1:54 pm - 4:32 pmPDX-IDA
1h 38mnonstop
$268
Find Deal
Fri, Nov 21 - Mon, Nov 24
Hawaiian Airlines Logo
3:50 pm - 8:37 pmIDA-PDX
5h 47m1 stop
Hawaiian Airlines Logo
7:30 am - 3:13 pmPDX-IDA
6h 43m1 stop
$282Hawaiian Airlines
Find Deal
Wed, Oct 29 - Wed, Nov 5
Alaska Airlines Logo
3:57 pm - 12:15 amIDA-PDX
9h 18m1 stop
Alaska Airlines Logo
3:40 pm - 10:39 pmPDX-IDA
5h 59m1 stop
$292Alaska Airlines
Find Deal
Sat, Sep 20 - Sat, Sep 27
Delta Logo
6:52 pm - 11:52 pmIDA-PDX
6h 00m2 stops
Delta Logo
5:15 am - 12:26 pmPDX-IDA
6h 11m2 stops
$294Delta
Find Deal
Tue, Sep 9 - Tue, Sep 16
Alaska Airlines Logo
6:13 am - 8:52 amIDA-PDX
3h 39m1 stop
Alaska Airlines Logo
4:46 pm - 10:39 pmPDX-IDA
4h 53m1 stop
$298Alaska Airlines
Find Deal
Tue, Sep 30 - Wed, Oct 1
Delta Logo
6:00 am - 8:51 amIDA-PDX
3h 51m1 stop
Delta Logo
5:15 am - 10:25 pmPDX-IDA
16h 10m2 stops
$309Delta
Find Deal
Tue, Sep 9 - Tue, Sep 16
Hawaiian Airlines Logo
6:13 am - 10:57 amIDA-PDX
5h 44m1 stop
Hawaiian Airlines Logo
4:46 pm - 10:39 pmPDX-IDA
4h 53m1 stop
$366Hawaiian Airlines
Find Deal
Mon, Sep 29 - Thu, Oct 2
Logo
12:48 pm - 10:58 amIDA-PDX
23h 10m2 stops
Logo
7:52 pm - 2:49 pmPDX-IDA
17h 57m2 stops
$390
Find Deal
Thu, Aug 21 - Sun, Aug 24

Hawaiian Airlines flights from Idaho Falls to Portland

Our best Hawaiian Airlines deals on Idaho Falls to Portland flight tickets
Hawaiian Airlines
Oct 29
IDA3:50 pmIdaho Falls Fanning Field
5h 47m
1 stop
PDX8:37 pmPortland
Nov 5
PDX7:30 amPortland
6h 43m
1 stop
IDA3:13 pmIdaho Falls Fanning Field
$282
Find similar
Hawaiian Airlines
Sep 29
IDA6:13 amIdaho Falls Fanning Field
5h 44m
1 stop
PDX10:57 amPortland
Oct 2
PDX4:46 pmPortland
4h 53m
1 stop
IDA10:39 pmIdaho Falls Fanning Field
$366
Find similar
Hawaiian Airlines
Sep 9
IDA6:13 amIdaho Falls Fanning Field
5h 44m
1 stop
PDX10:57 amPortland
Sep 14
PDX5:47 pmPortland
3h 52m
1 stop
IDA10:39 pmIdaho Falls Fanning Field
$385
Find similar

Alaska Airlines flights from Idaho Falls to Portland

Our best Alaska Airlines deals on Idaho Falls to Portland flight tickets
Alaska Airlines
Sep 20
IDA3:57 pmIdaho Falls Fanning Field
9h 18m
1 stop
PDX12:15 amPortland
Sep 27
PDX3:40 pmPortland
5h 59m
1 stop
IDA10:39 pmIdaho Falls Fanning Field
$292
Find similar
Alaska Airlines
Sep 30
IDA6:13 amIdaho Falls Fanning Field
3h 39m
1 stop
PDX8:52 amPortland
Oct 1
PDX4:46 pmPortland
4h 53m
1 stop
IDA10:39 pmIdaho Falls Fanning Field
$298
Find similar
Alaska Airlines
Sep 30
IDA6:13 amIdaho Falls Fanning Field
3h 39m
1 stop
PDX8:52 amPortland
Oct 3
PDX9:30 pmPortland
17h 08m
1 stop
IDA3:38 pmIdaho Falls Fanning Field
$302
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Idaho Falls to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Fri 11/21

5:22 pm-6:07 pm

Nonstop1h 45m

Portland

Mon 11/24

1:54 pm-4:32 pm

Nonstop1h 38m

$151

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Fri 11/21

5:22 pm-6:07 pm

Nonstop1h 45m

Portland

Mon 11/24

1:54 pm-4:32 pm

Nonstop1h 38m

$162

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Fri 11/21

9:43 pm-10:49 am

1 stop14h 06m

Portland

Mon 11/24

1:54 pm-4:32 pm

Nonstop1h 38m

$268

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Wed 10/29

3:50 pm-8:37 pm

1 stop5h 47m

Portland

Wed 11/5

7:30 am-3:13 pm

1 stop6h 43m

$282

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Sat 9/20

3:57 pm-12:15 am

1 stop9h 18m

Portland

Sat 9/27

3:40 pm-10:39 pm

1 stop5h 59m

$292

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Tue 9/9

6:52 pm-11:52 pm

2 stops6h 00m

Portland

Tue 9/16

5:15 am-12:26 pm

2 stops6h 11m

$294

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Tue 9/30

6:13 am-8:52 am

1 stop3h 39m

Portland

Wed 10/1

4:46 pm-10:39 pm

1 stop4h 53m

$298

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Tue 9/9

6:00 am-8:51 am

1 stop3h 51m

Portland

Tue 9/16

5:15 am-10:25 pm

2 stops16h 10m

$309

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Mon 9/29

6:13 am-10:57 am

1 stop5h 44m

Portland

Thu 10/2

4:46 pm-10:39 pm

1 stop4h 53m

$366

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Thu 8/21

12:48 pm-10:58 am

2 stops23h 10m

Portland

Sun 8/24

7:52 pm-2:49 pm

2 stops17h 57m

$390

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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 $105. 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 $109. 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 weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $219 when searching 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 $105 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 July 2025, prices for Idaho Falls to Portland flights are approximately 20% 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

$95

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 $95. The best round-trip flight deal from Idaho Falls to Portland found on momondo in the last 72 hours is $151.
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)
Search flight deals

  • 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 45m.

  • 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 $64Free CancellationRating
7.2
702 reviews
Search Allegiant Air flights
Alaska AirlinesPriceFrom $232Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $290Free CancellationRating
8.0
7,981 reviews
Search Delta 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
Vancouver
Salem
Astoria
Long Beach
Depoe Bay
Beaverton
Rockaway Beach
Hood River
Hillsboro
Gresham
McMinnville
Tigard
Longview
Pacific City
Manzanita
The Dalles
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.

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