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Idaho Falls

$36+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — IDA
Jun 6 — Jun 131
Sat 6/6
Sat 6/13
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 May 7, 2026.

This Trip.com deal was found by Cheapflights users on 5/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/13:10 pm
PDX
-
IDA
Nonstop1h 39m
Allegiant Air
Mon 6/86:39 pm
IDA
-
PDX
Nonstop1h 39m
Allegiant Air
Deal found 5/5$81
This Super.com deal was found by Cheapflights users on 5/2. 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.
Fri 5/223:10 pm
PDX
-
IDA
Nonstop1h 39m
Allegiant Air
Fri 6/266:39 pm
IDA
-
PDX
Nonstop1h 39m
Allegiant Air
Deal found 5/2$87
This Gotogate deal was found by Cheapflights users on 5/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1012:20 pm
PDX
-
IDA
Nonstop1h 40m
Allegiant Air
Fri 7/173:50 pm
IDA
-
PDX
Nonstop1h 36m
Allegiant Air
Deal found 5/2$92
This Mytrip deal was found by Cheapflights users on 5/1. 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.
Mon 6/153:09 pm
PDX
-
IDA
Nonstop1h 40m
Allegiant Air
Fri 6/266:39 pm
IDA
-
PDX
Nonstop1h 39m
Allegiant Air
Deal found 5/1$100
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Fri 5/293:10 pm
PDX
-
IDA
Nonstop1h 39m
Allegiant Air
Mon 6/16:39 pm
IDA
-
PDX
Nonstop1h 41m
Allegiant Air
Deal found 5/1$101
This Super.com deal was found by Cheapflights users on 5/6. 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.
Fri 5/223:10 pm
PDX
-
IDA
Nonstop1h 39m
Allegiant Air
Mon 5/256:39 pm
IDA
-
PDX
Nonstop1h 41m
Allegiant Air
Deal found 5/6$104
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Fri 6/53:09 pm
PDX
-
IDA
Nonstop1h 40m
Allegiant Air
Fri 6/126:39 pm
IDA
-
PDX
Nonstop1h 39m
Allegiant Air
Deal found 5/4$111
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Mon 5/253:10 pm
PDX
-
IDA
Nonstop1h 39m
Allegiant Air
Mon 6/16:39 pm
IDA
-
PDX
Nonstop1h 41m
Allegiant Air
Deal found 5/1$113
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Mon 6/83:09 pm
PDX
-
IDA
Nonstop1h 40m
Allegiant Air
Fri 6/126:39 pm
IDA
-
PDX
Nonstop1h 39m
Allegiant Air
Deal found 5/4$115
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Wed 5/2710:30 am
PDX
-
IDA
Nonstop1h 47m
Multiple Airlines
Mon 6/16:39 pm
IDA
-
PDX
Nonstop1h 41m
Multiple Airlines
Deal found 5/1$134
This Delta deal was found by Cheapflights users on 5/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:05 pm
PDX
-
IDA
1 stop4h 37m
Delta
Tue 6/26:54 pm
IDA
-
PDX
1 stop5h 50m
Delta
Deal found 5/1$197
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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.
Thu 5/284:08 pm
EUG
-
IDA
1 stop5h 45m
Alaska Airlines
Fri 5/296:00 am
IDA
-
EUG
1 stop4h 41m
Alaska Airlines
Deal found 5/5$334

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 May 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$81
(Trip.com)

One-way from

$36
(Kiwi.com)

Popular in

January

Cheapest in

June

Average price

$162

Good round-trip deal

$92 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. 17% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip 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 May 7, 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

Fri 6/5

10:30 am-1:17 pm

Nonstop1h 47m

Idaho Falls Fanning Field

Mon 6/8

4:03 pm-4:50 pm

Nonstop1h 47m

$277

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Wed 6/3

10:30 am-1:17 pm

Nonstop1h 47m

Idaho Falls Fanning Field

Thu 6/4

4:03 pm-4:50 pm

Nonstop1h 47m

$317

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Thu 5/28

4:08 pm-10:53 pm

1 stop5h 45m

Idaho Falls Fanning Field

Fri 5/29

6:00 am-9:41 am

1 stop4h 41m

$334
Quickest round-trip

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Fri 6/26

10:30 am-1:06 pm

Nonstop1h 36m

Idaho Falls Fanning Field

Sun 6/28

4:14 pm-4:50 pm

Nonstop1h 36m

$387

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Fri 7/10

10:30 am-1:06 pm

Nonstop1h 36m

Idaho Falls Fanning Field

Fri 7/17

4:14 pm-4:50 pm

Nonstop1h 36m

$387

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Fri 5/29

7:59 pm-3:26 pm

1 stop18h 27m

Idaho Falls Fanning Field

Mon 6/1

4:03 pm-3:31 pm

1 stop24h 28m

$413

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Sat 5/16

5:10 am-10:47 am

1 stop4h 37m

Idaho Falls Fanning Field

Wed 5/20

6:54 pm-11:50 pm

2 stops5h 56m

$416

MedfordIdaho Falls

MFR - IDA

MFRIDA

Medford

Thu 7/16

5:15 am-1:06 pm

1 stop6h 51m

Idaho Falls Fanning Field

Tue 7/21

1:43 pm-7:13 pm

1 stop6h 30m

$433

MedfordIdaho Falls

MFR - IDA

MFRIDA

Medford

Thu 5/28

5:41 pm-10:53 pm

1 stop4h 12m

Idaho Falls Fanning Field

Sun 5/31

6:00 am-11:59 pm

1 stop18h 59m

$453

MedfordIdaho Falls

MFR - IDA

MFRIDA

Medford

Mon 5/18

5:41 pm-10:53 pm

1 stop4h 12m

Idaho Falls Fanning Field

Fri 5/22

4:03 pm-6:39 pm

1 stop3h 36m

$481

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/5

Showing 1-10 of 28 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 $44). Flying from Oregon to Idaho Falls in March is currently the most expensive (average of $413). 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.

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 47m. Alaska Airlines provides one of the quickest options available for as low as $277. There are 537 mi between Oregon and Idaho Falls. All flights are typically nonstop.

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

    $48 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 $184, respectively.

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

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

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

    Looking at all options, your cheapest flight can be booked for $55. While the most popular route (Portland - Idaho Falls Fanning Field) can be booked for $71 on average, our data indicates $203 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 $44). Flying from Oregon to Idaho Falls in March is currently the most expensive (average of $413). 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 4 airlines flying from Oregon to Idaho Falls

Discover the top 4 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 May 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$44Average$98FlexibilityNo cancel feeOn-time88%
DeltaCheapest$162Average$442FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$178Average$359FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$193Average$504FlexibilityNo cancel feeOn-time75%

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