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Idaho Falls

$41+ Cheap flights from Oregon to Idaho Falls (IDA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — IDA
juil. 25 — août 11
sam. 7/25
sam. 8/1
1 adult, Economy
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Cheap flight deals from Oregon to Idaho Falls

Cheapest flights from Oregon to Idaho Falls
Explore the most affordable flight options available from Oregon to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juin 25, 2026.

This Super.com deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 7/1712:20 pm
PDX
-
IDA
Nonstop1h 40m
Allegiant Air
lun. 8/173:55 pm
IDA
-
PDX
Nonstop1h 41m
Allegiant Air
Deal found 6/20$89
This Super.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 7/1712:20 pm
PDX
-
IDA
Nonstop1h 40m
Allegiant Air
lun. 7/203:50 pm
IDA
-
PDX
Nonstop1h 36m
Allegiant Air
Deal found 6/25$94
This Booking.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 7/2412:20 pm
PDX
-
IDA
Nonstop1h 40m
Allegiant Air
lun. 7/273:50 pm
IDA
-
PDX
Nonstop1h 36m
Allegiant Air
Deal found 6/23$99
This Mytrip deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/1012:25 pm
PDX
-
IDA
Nonstop1h 40m
Allegiant Air
ven. 8/143:55 pm
IDA
-
PDX
Nonstop1h 41m
Allegiant Air
Deal found 6/24$103
This Booking.com deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 6/263:09 pm
PDX
-
IDA
Nonstop1h 40m
Allegiant Air
lun. 6/296:39 pm
IDA
-
PDX
Nonstop1h 39m
Allegiant Air
Deal found 6/20$131
This Booking.com deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 7/1712:20 pm
PDX
-
IDA
Nonstop1h 40m
Multiple Airlines
sam. 8/223:57 pm
IDA
-
PDX
Nonstop1h 53m
Multiple Airlines
Deal found 6/20$201
This Kiwi.com deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/2012:20 pm
PDX
-
IDA
Nonstop1h 40m
Multiple Airlines
ven. 8/283:57 pm
IDA
-
PDX
Nonstop1h 53m
Multiple Airlines
Deal found 6/20$209
This Alaska Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 10/310:30 am
PDX
-
IDA
Nonstop1h 36m
Alaska Airlines
mer. 10/74:12 pm
IDA
-
PDX
Nonstop1h 36m
Alaska Airlines
Deal found 6/24$217
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 7/166:49 pm
PDX
-
IDA
1 stop20h 11m
Multiple Airlines
lun. 7/203:50 pm
IDA
-
PDX
Nonstop1h 36m
Multiple Airlines
Deal found 6/21$225
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 8/95:55 pm
EUG
-
IDA
1 stop21h 10m
Allegiant Air
jeu. 8/139:48 am
IDA
-
EUG
1 stop26h 49m
Allegiant Air
Deal found 6/23$302
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 8/236:00 pm
EUG
-
IDA
1 stop15h 47m
Allegiant Air
jeu. 8/277:54 pm
IDA
-
EUG
1 stop15h 19m
Allegiant Air
Deal found 6/23$316
This Alaska Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/279:55 am
EUG
-
IDA
1 stop4h 40m
Alaska Airlines
mer. 10/281:46 pm
IDA
-
EUG
1 stop6h 00m
Alaska Airlines
Deal found 6/24$351

Find flight deals from Oregon to Idaho Falls

Keep the following information in mind while searching for Oregon to Idaho Falls flight deals. Data was last updated juin 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$88
(Super.com)

One-way from

$41
(Trip.com)

Popular in

September

Cheapest in

July

Average price

$160

Good round-trip deal

$82 or less

Good one-way deal

$193 or less
Provider with most accurate pricing for Portland-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Idaho Falls Fanning Field flights.
Search Deals
From Oregon to Idaho Falls Fanning Field
Search Deals
One-way flight from Oregon to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($116 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Oregon to Idaho Falls Fanning Field.
Search Deals
Price to beat on a one-way flight from Oregon to Idaho Falls Fanning Field.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oregon to Idaho Falls 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, Cheapflights users made 2,558,603 searches. Data last updated juin 25, 2026.
Use the filters below to find and compare flights from Oregon to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

jeu. 8/20

10:30 am-1:24 pm

Nonstop1h 54m

Idaho Falls Fanning Field

jeu. 8/27

3:57 pm-4:50 pm

Nonstop1h 53m

$257
Quickest round-trip

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

ven. 7/10

10:30 am-1:06 pm

Nonstop1h 36m

Idaho Falls Fanning Field

ven. 7/10

3:50 pm-4:26 pm

Nonstop1h 36m

$279

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

sam. 8/29

5:45 am-10:50 am

1 stop4h 05m

Idaho Falls Fanning Field

dim. 8/30

6:00 am-8:37 am

1 stop3h 37m

$293

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

sam. 8/15

5:45 am-10:50 am

1 stop4h 05m

Idaho Falls Fanning Field

jeu. 8/20

7:00 pm-11:39 pm

1 stop5h 39m

$312

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

mar. 10/6

5:05 pm-10:19 pm

1 stop4h 14m

Idaho Falls Fanning Field

mer. 10/7

6:00 am-9:16 am

1 stop4h 16m

$323

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

ven. 10/2

10:30 am-1:24 pm

Nonstop1h 54m

Idaho Falls Fanning Field

dim. 10/4

4:12 pm-4:48 pm

Nonstop1h 36m

$347

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

mar. 10/27

9:55 am-3:35 pm

1 stop4h 40m

Idaho Falls Fanning Field

mer. 10/28

1:46 pm-6:46 pm

1 stop6h 00m

$351

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

ven. 7/17

12:20 pm-3:00 pm

Nonstop1h 40m

Idaho Falls Fanning Field

lun. 7/20

10:47 pm-4:31 pm

2 stops18h 44m

$353

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

lun. 8/17

5:43 pm-10:39 pm

1 stop3h 56m

Idaho Falls Fanning Field

ven. 8/21

6:18 am-9:19 am

1 stop4h 01m

$384

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

ven. 10/2

5:41 pm-10:56 pm

1 stop4h 15m

Idaho Falls Fanning Field

lun. 10/5

6:09 am-9:47 am

1 stop4h 38m

$397

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/20

Showing 1-10 of 30 resultsSorted by cheapest first
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Best time to book a flight from Oregon to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Oregon with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Oregon to Idaho Falls

What is the cheapest month to book a flight from Oregon to Idaho Falls?

Currently, July is the cheapest month in which you can book a flight from Oregon to Idaho Falls (average of $39). Flying from Oregon to Idaho Falls in April is currently the most expensive (average of $466). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from OR to IDA?

Find hourly flight availability from Oregon to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated juin 25, 2026.

When flying from Oregon to Idaho Falls, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Oregon to Idaho Falls

Explore weekly flight availability from Oregon to Idaho Falls. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated juin 25, 2026.

The most flights from USOR to IDA are scheduled on a Monday (2 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from Oregon to Idaho Falls?

Related info for your journey

Find useful and relevant information for your journey from Oregon to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Idaho Falls from Oregon?

    For a flight from Oregon to Idaho Falls, you will be flying into Fanning Field. Idaho Falls Fanning Field (IDA) is just 3.8 mi from the center of the city.

  • How long is the flight from Oregon to Idaho Falls?

    A quick flight from Oregon to Idaho Falls can take about 1h 40m. Allegiant Air provides one of the quickest options available for as low as $88. There are 537 mi between Oregon and Idaho Falls. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Oregon to Idaho Falls one-way?

    $49 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $154 and $158, respectively.

  • What are the most popular routes from Oregon to Idaho Falls?

    Most travelers choose Portland - Idaho Falls Fanning Field, Eugene - Idaho Falls Fanning Field or Medford - Idaho Falls Fanning Field when deciding on the best route from Oregon to Idaho Falls.

  • What are the most reliable airlines from Oregon to Idaho Falls?

    No one likes to see their flight delayed. When booking a flight from Oregon to Idaho Falls consider choosing SkyWest Airlines (86%), Alaska Airlines (86%) or Allegiant Air (63%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Oregon to Idaho Falls?

    Looking at all options, your cheapest flight can be booked for $49. While the most popular route (Portland - Idaho Falls Fanning Field) can be booked for $94 on average, our data indicates $232 when flying from Oregon to Idaho Falls.

  • Can I find deals for flights from Oregon to Idaho Falls that include hotel bookings?

    Yes. In addition to deals on Oregon to Idaho Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oregon to Idaho Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to Idaho Falls.

  • Can I find deals for business class flights from Oregon to Idaho Falls?

    Yes. Cheapflights offers flight deals from Oregon to Idaho Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oregon to Idaho Falls?

    Currently, July is the cheapest month in which you can book a flight from Oregon to Idaho Falls (average of $39). Flying from Oregon to Idaho Falls in April is currently the most expensive (average of $466). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

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Top 3 airlines flying from Oregon to Idaho Falls

Discover the top 3 airlines that operate flights from Oregon to Idaho Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated juin 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$68Average$107FlexibilityNo cancel feeOn-time88%
DeltaCheapest$168Average$426FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$193Average$441FlexibilityNo cancel feeOn-time75%

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