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Idaho Falls

$157+ 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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — IDA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$310
(Kiwi.com)

One-way from

$157
(Kiwi.com)

Popular in

August

Cheapest in

June

Average price

$472

Good one-way deal

$215 or less
From Oregon to Idaho Falls Fanning Field
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One-way flight from Oregon to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 31% potential increase in price ($116 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from Oregon to Idaho Falls Fanning Field.
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Find 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 September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Thu 9/257:22 pmPDX - IDA
1 stop19h 43mMultiple Airlines
Mon 9/299:39 pmIDA - PDX
1 stop14h 32mMultiple Airlines
Deal found 9/10$310
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 10/1710:00 pmPDX - IDA
1 stop23h 38mAlaska Airlines
Mon 10/204:15 pmIDA - PDX
1 stop17h 45mAlaska Airlines
Deal found 9/9$362
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 10/216:00 pmPDX - IDA
1 stop20h 38mAlaska Airlines
Fri 10/244:15 pmIDA - PDX
1 stop22h 28mAlaska Airlines
Deal found 9/9$363
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 10/242:41 pmMFR - IDA
1 stop6h 57mAlaska Airlines
Wed 10/293:50 pmIDA - MFR
1 stop9h 22mAlaska Airlines
Deal found 9/10$363
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 10/224:25 pmPDX - IDA
1 stop5h 13mAlaska Airlines
Thu 10/236:00 amIDA - PDX
1 stop5h 53mAlaska Airlines
Deal found 9/9$386
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 10/81:25 pmPDX - IDA
1 stop8h 13mAlaska Airlines
Tue 10/146:00 amIDA - PDX
1 stop25h 20mAlaska Airlines
Deal found 9/11$393
This Delta deal was found by Cheapflights users on 9/10. 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.
Thu 11/275:55 amEUG - IDA
2 stops9h 37mDelta
Tue 12/27:06 pmIDA - EUG
1 stop5h 53mDelta
Deal found 9/10$401
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Thu 10/92:18 pmPDX - IDA
2 stops24h 56mMultiple Airlines
Thu 10/1610:13 pmIDA - PDX
1 stop12h 26mMultiple Airlines
Deal found 9/11$417
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Sun 10/57:44 pmMFR - IDA
1 stop25h 54mAlaska Airlines
Sun 10/126:00 amIDA - MFR
1 stop19h 22mAlaska Airlines
Deal found 9/10$422
This Alaska Airlines deal was found by Cheapflights users on 9/8. 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.
Wed 12/241:51 pmPDX - IDA
1 stop9h 15mAlaska Airlines
Thu 1/12:43 pmIDA - PDX
1 stop5h 03mAlaska Airlines
Deal found 9/8$423
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/33:57 pmEUG - IDA
1 stop5h 52mUnited Airlines
Fri 10/105:00 amIDA - EUG
1 stop17h 05mUnited Airlines
Deal found 9/9$521
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 9/165:47 pmMFR - IDA
1 stop3h 52mAlaska Airlines
Tue 9/233:57 pmIDA - MFR
2 stops21h 53mAlaska Airlines
Deal found 9/9$630

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 September 11, 2025.
Use the filters below to find and compare flights from Oregon to Idaho Falls that are best for you.

Fly from

Oregon

Fly to

Idaho Falls

Route

Depart

Return

Price

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Thu 9/25

7:22 pm-4:05 pm

1 stop19h 43m

Idaho Falls Fanning Field

Mon 9/29

9:39 pm-11:11 am

1 stop14h 32m

$310

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Tue 10/21

6:00 pm-3:38 pm

1 stop20h 38m

Idaho Falls Fanning Field

Fri 10/24

4:15 pm-1:43 pm

1 stop22h 28m

$363

MedfordIdaho Falls

MFR - IDA

MFRIDA

Medford

Fri 10/24

2:41 pm-10:38 pm

1 stop6h 57m

Idaho Falls Fanning Field

Wed 10/29

3:50 pm-12:12 am

1 stop9h 22m

$363

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Fri 10/17

1:25 pm-3:38 pm

1 stop25h 13m

Idaho Falls Fanning Field

Mon 10/20

6:00 am-6:20 am

1 stop25h 20m

$382

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Wed 10/22

4:25 pm-10:38 pm

1 stop5h 13m

Idaho Falls Fanning Field

Thu 10/23

6:00 am-10:53 am

1 stop5h 53m

$386

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Wed 10/8

1:25 pm-10:38 pm

1 stop8h 13m

Idaho Falls Fanning Field

Tue 10/14

6:00 am-6:20 am

1 stop25h 20m

$393

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Thu 11/27

5:55 am-4:32 pm

2 stops9h 37m

Idaho Falls Fanning Field

Tue 12/2

7:06 pm-11:59 pm

1 stop5h 53m

$401

MedfordIdaho Falls

MFR - IDA

MFRIDA

Medford

Sun 10/5

7:44 pm-10:38 pm

1 stop25h 54m

Idaho Falls Fanning Field

Sun 10/12

6:00 am-12:22 am

1 stop19h 22m

$422

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Tue 9/30

5:00 am-8:52 pm

1 stop14h 52m

Idaho Falls Fanning Field

Fri 10/3

5:56 pm-9:30 am

1 stop16h 34m

$446

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Thu 10/9

3:30 pm-10:38 pm

1 stop6h 08m

Idaho Falls Fanning Field

Sun 10/12

6:00 am-9:00 am

1 stop4h 00m

$446

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 28 results
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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, October is the cheapest month in which you can book a flight from Oregon to Idaho Falls (average of $380). Flying from Oregon to Idaho Falls in December is currently the most expensive (average of $578). 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 September 11, 2025.

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.

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 5h 52m. Alaska Airlines provides one of the quickest options available for as low as $521. There are 557 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?

    $167 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Hawaiian Airlines and Delta, with prices starting from $178 and $181, 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 $54. While the most popular route (Portland - Idaho Falls Fanning Field) can be booked for $174 on average, our data indicates $218 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, October is the cheapest month in which you can book a flight from Oregon to Idaho Falls (average of $380). Flying from Oregon to Idaho Falls in December is currently the most expensive (average of $578). 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$56Average$103FlexibilityNo cancel feeOn-time88%
DeltaCheapest$171Average$498FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$184Average$364FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$256Average$473FlexibilityNo cancel feeOn-time75%

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