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Idaho Falls

$106+ Cheap flights from Oregon to Idaho Falls (IDA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — IDA
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$106
(FlightHub)

Popular in

November

Cheapest in

June

Average price

$393
Provider with most accurate pricing for Portland-Idaho Falls Fanning Field flight deals.
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Provider most trusted by Cheapflights users for Portland-Idaho Falls Fanning Field flights.
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From Oregon to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 32% potential increase in price ($112 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 October 2025
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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 October 29, 2025.

This FlightHub deal was found by Cheapflights users on 10/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1212:01 pmPDX - IDA
Nonstop1h 35mAllegiant Air
Mon 12/153:26 pmIDA - PDX
Nonstop1h 45mAllegiant Air
Deal found 10/28$106
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/211:54 pmPDX - IDA
Nonstop1h 38mAllegiant Air
Mon 11/245:22 pmIDA - PDX
Nonstop1h 45mAllegiant Air
Deal found 10/27$144
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/105:49 pmPDX - IDA
1 stop5h 10mMultiple Airlines
Mon 12/153:26 pmIDA - PDX
Nonstop1h 45mMultiple Airlines
Deal found 10/28$202
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/105:49 pmPDX - IDA
1 stop5h 10mMultiple Airlines
Fri 12/123:26 pmIDA - PDX
Nonstop1h 45mMultiple Airlines
Deal found 10/28$209
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 12/125:49 pmPDX - IDA
1 stop5h 10mMultiple Airlines
Mon 12/153:26 pmIDA - PDX
Nonstop1h 45mMultiple Airlines
Deal found 10/27$210
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Tue 12/910:40 amPDX - IDA
1 stop4h 47mMultiple Airlines
Mon 12/153:26 pmIDA - PDX
Nonstop1h 45mMultiple Airlines
Deal found 10/28$219
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Sat 12/1310:40 amPDX - IDA
1 stop4h 47mMultiple Airlines
Mon 12/153:26 pmIDA - PDX
Nonstop1h 45mMultiple Airlines
Deal found 10/28$222
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Tue 12/910:40 amPDX - IDA
1 stop4h 47mMultiple Airlines
Fri 12/123:26 pmIDA - PDX
Nonstop1h 45mMultiple Airlines
Deal found 10/28$226
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 12/125:49 pmPDX - IDA
1 stop21h 38mAlaska Airlines
Mon 12/155:07 pmIDA - PDX
1 stop21h 43mAlaska Airlines
Deal found 10/27$234
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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.
Mon 12/85:45 amEUG - IDA
1 stop9h 42mAlaska Airlines
Thu 12/115:07 pmIDA - EUG
1 stop5h 23mAlaska Airlines
Deal found 10/26$283
This American Airlines deal was found by Cheapflights users on 10/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/203:25 pmEUG - IDA
1 stop6h 09mAmerican Airlines
Sun 11/237:10 amIDA - EUG
1 stop7h 53mAmerican Airlines
Deal found 10/26$284
This American Airlines deal was found by Cheapflights users on 10/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/211:28 pmEUG - IDA
1 stop8h 06mAmerican Airlines
Sun 11/237:10 amIDA - EUG
1 stop7h 53mAmerican Airlines
Deal found 10/26$306

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 October 29, 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

Fri 11/21

1:54 pm-4:32 pm

Nonstop1h 38m

Idaho Falls Fanning Field

Mon 11/24

5:22 pm-6:07 pm

Nonstop1h 45m

$144

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Sat 12/13

10:40 am-4:27 pm

1 stop4h 47m

Idaho Falls Fanning Field

Mon 12/15

3:26 pm-4:11 pm

Nonstop1h 45m

$222

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Fri 11/21

1:54 pm-4:32 pm

Nonstop1h 38m

Idaho Falls Fanning Field

Mon 11/24

9:43 pm-9:21 am

1 stop12h 38m

$245

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Fri 12/12

2:23 pm-10:21 pm

2 stops6h 58m

Idaho Falls Fanning Field

Sun 12/14

7:06 pm-3:33 pm

2 stops21h 27m

$246

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Fri 12/12

2:23 pm-10:21 pm

2 stops6h 58m

Idaho Falls Fanning Field

Mon 12/15

1:17 pm-10:40 pm

2 stops10h 23m

$246

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Fri 12/5

10:40 am-4:27 pm

1 stop4h 47m

Idaho Falls Fanning Field

Mon 12/8

5:07 pm-9:20 pm

1 stop5h 13m

$259

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Sat 1/17

1:38 pm-6:18 pm

1 stop3h 40m

Idaho Falls Fanning Field

Wed 1/21

9:00 am-6:56 pm

1 stop10h 56m

$262

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Wed 1/14

7:10 am-10:59 pm

1 stop14h 49m

Idaho Falls Fanning Field

Tue 1/20

9:00 am-12:09 am

1 stop16h 09m

$262

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Sat 1/17

1:38 pm-6:18 pm

1 stop3h 40m

Idaho Falls Fanning Field

Tue 1/20

9:00 am-12:38 pm

1 stop4h 38m

$262

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Wed 1/14

1:38 pm-6:18 pm

1 stop3h 40m

Idaho Falls Fanning Field

Sat 1/17

9:00 am-10:46 pm

1 stop14h 46m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 32 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, 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 September is currently the most expensive (average of $301). 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 October 29, 2025.

It’s typically best to fly out from Oregon to Idaho Falls in the afternoon. Doing so could potentially save you 22% on the flight price compared to flying in the morning, which is usually more expensive.

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 38m. Allegiant Air provides one of the quickest options available for as low as $144. 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?

    $154 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 United Airlines and Delta, with prices starting from $259 and $385, 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.

  • 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 September is currently the most expensive (average of $301). 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$56Average$105FlexibilityNo cancel feeOn-time88%
DeltaCheapest$171Average$496FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$184Average$364FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$256Average$452FlexibilityNo cancel feeOn-time75%

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