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Cheap flights from Idaho Falls to Portland from $101

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 12/5. 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
3:26 pm - 4:11 pmIDA-PDX
1h 45mnonstop
Allegiant Air Logo
12:01 pm - 2:36 pmPDX-IDA
1h 35mnonstop
$101Allegiant Air
Find Deal
vie., dic. 5 - lun., dic. 8
Multiple Airlines Logo
10:56 pm - 11:56 amIDA-PDX
38h 00m2 stops
Multiple Airlines Logo
1:54 pm - 4:32 pmPDX-IDA
1h 38mnonstop
$235Multiple Airlines
Find Deal
vie., nov. 14 - vie., nov. 21
Allegiant Air Logo
1:26 pm - 2:11 pmIDA-PDX
1h 45mnonstop
Allegiant Air Logo
10:01 am - 12:36 pmPDX-IDA
1h 35mnonstop
$243Allegiant Air
Find Deal
vie., ene. 2 - lun., ene. 5
Multiple Airlines Logo
10:56 pm - 11:56 amIDA-PDX
38h 00m3 stops
Multiple Airlines Logo
1:54 pm - 4:32 pmPDX-IDA
1h 38mnonstop
$273Multiple Airlines
Find Deal
vie., nov. 14 - vie., nov. 21
Alaska Airlines Logo
6:00 am - 6:20 amIDA-PDX
25h 20m1 stop
Alaska Airlines Logo
5:30 pm - 3:13 pmPDX-IDA
20h 43m1 stop
$302Alaska Airlines
Find Deal
mar., oct. 21 - mar., oct. 28
Alaska Airlines Logo
4:15 pm - 12:18 amIDA-PDX
9h 03m1 stop
Alaska Airlines Logo
1:25 pm - 10:38 pmPDX-IDA
8h 13m1 stop
$323Alaska Airlines
Find Deal
mié., oct. 15 - mié., oct. 22
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
$332Hawaiian Airlines
Find Deal
mié., oct. 29 - mié., nov. 5
Delta Logo
1:15 pm - 8:51 pmIDA-PDX
8h 36m2 stops
Delta Logo
5:30 am - 12:33 pmPDX-IDA
6h 03m2 stops
$334Delta
Find Deal
mié., oct. 29 - mié., nov. 5
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
$339Hawaiian Airlines
Find Deal
mié., oct. 29 - mié., nov. 5
Delta Logo
6:00 am - 9:03 amIDA-PDX
4h 03m1 stop
Delta Logo
1:30 pm - 10:15 pmPDX-IDA
7h 45m2 stops
$355Delta
Find Deal
mar., oct. 14 - mar., oct. 21

Delta flights from Idaho Falls to Portland

Our best Delta deals on Idaho Falls to Portland flight tickets
Delta
Oct 29
IDA1:15 pmIdaho Falls Fanning Field
8h 36m
2 stops
PDX8:51 pmPortland
Nov 5
PDX5:30 amPortland
6h 03m
2 stops
IDA12:33 pmIdaho Falls Fanning Field
$334
Find similar
Delta
Oct 14
IDA6:00 amIdaho Falls Fanning Field
4h 03m
1 stop
PDX9:03 amPortland
Oct 21
PDX1:30 pmPortland
7h 45m
2 stops
IDA10:15 pmIdaho Falls Fanning Field
$355
Find similar
Delta
Oct 14
IDA6:00 amIdaho Falls Fanning Field
4h 03m
1 stop
PDX9:03 amPortland
Oct 21
PDX5:00 pmPortland
4h 15m
1 stop
IDA10:15 pmIdaho Falls Fanning Field
$357
Find similar

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
$332
Find similar
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
$339
Find similar
Hawaiian Airlines
Feb 4
IDA8:00 amIdaho Falls Fanning Field
3h 55m
1 stop
PDX10:55 amPortland
Feb 8
PDX5:30 pmPortland
4h 08m
1 stop
IDA10:38 pmIdaho Falls Fanning Field
$359
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 septiembre 16, 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

vie. 12/5

3:26 pm-4:11 pm

Nonstop1h 45m

Portland

lun. 12/8

12:01 pm-2:36 pm

Nonstop1h 35m

$101

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

vie. 11/14

10:56 pm-11:56 am

2 stops38h 00m

Portland

vie. 11/21

1:54 pm-4:32 pm

Nonstop1h 38m

$235

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

vie. 1/2

1:26 pm-2:11 pm

Nonstop1h 45m

Portland

lun. 1/5

10:01 am-12:36 pm

Nonstop1h 35m

$243

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

vie. 11/14

10:56 pm-11:56 am

3 stops38h 00m

Portland

vie. 11/21

1:54 pm-4:32 pm

Nonstop1h 38m

$273

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

mar. 10/21

6:00 am-6:20 am

1 stop25h 20m

Portland

mar. 10/28

5:30 pm-3:13 pm

1 stop20h 43m

$302

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

mié. 10/15

4:15 pm-12:18 am

1 stop9h 03m

Portland

mié. 10/22

1:25 pm-10:38 pm

1 stop8h 13m

$323

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

mié. 10/29

3:50 pm-8:37 pm

1 stop5h 47m

Portland

mié. 11/5

7:30 am-3:13 pm

1 stop6h 43m

$332

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

mié. 10/29

1:15 pm-8:51 pm

2 stops8h 36m

Portland

mié. 11/5

5:30 am-12:33 pm

2 stops6h 03m

$334

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

mié. 10/29

3:50 pm-8:37 pm

1 stop5h 47m

Portland

mié. 11/5

7:30 am-3:13 pm

1 stop6h 43m

$339

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

mar. 10/14

6:00 am-9:03 am

1 stop4h 03m

Portland

mar. 10/21

1:30 pm-10:15 pm

2 stops7h 45m

$355

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 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 at noon when flights can be purchased for as low as $108. 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 $207 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 $98 on momondo.

What cabin class options are available on Idaho Falls Fanning Field to Portland flights?

There is only 1 cabin class 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 September 2025, prices for Idaho Falls to Portland flights are approximately 179% 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

Fastest flight time

1h 45m

Direct flights

Tue, Thu and Sat

Airports in Portland

1 airport
The fastest flight from Idaho Falls to Portland takes 1h 45m
Direct flights go from Idaho Falls to Portland on Tuesday, Thursday and Saturday. There are no airlines offering direct flights.
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 $51Free CancellationRating
7.2
699 reviews
Search Allegiant Air flights
Hawaiian AirlinesPriceFrom $162Free CancellationRating
7.8
2,724 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $232Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $296Free CancellationRating
7.9
7,957 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
Rockaway Beach
Beaverton
Hillsboro
Hood River
Gresham
McMinnville
Longview
Tigard
The Dalles
Pacific City
Tillamook
Manzanita

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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