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Idaho Falls

$139+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — IDA
Sep 8 — Sep 151
Tue 9/8
Tue 9/15
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 August 9, 2026.

This Alaska Airlines deal was found by Cheapflights users on 8/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3110:30 am -
Nonstop1h 51m
Wed 11/43:54 pm -
Nonstop1h 53m
Deal found 8/6$237
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 8/1412:25 pm -
Nonstop1h 40m
Mon 8/173:55 pm -
Nonstop1h 41m
Deal found 8/7$242
This Booking.com deal was found by Cheapflights users on 8/7. 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.
Thu 9/2410:30 am -
Nonstop1h 54m
Tue 9/293:57 pm -
Nonstop1h 53m
Deal found 8/7$247
This Booking.com deal was found by Cheapflights users on 8/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:30 am -
Nonstop1h 54m
Wed 9/236:18 am -
1 stop6h 02m
Deal found 8/5$267
This Delta deal was found by Cheapflights users on 8/7. 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.
Fri 10/27:00 am -
2 stops10h 17m
Fri 10/96:00 am -
1 stop3h 50m
Deal found 8/7$272
This Delta deal was found by Cheapflights users on 8/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:25 am -
2 stops5h 51m
Thu 10/221:05 pm -
2 stops9h 51m
Deal found 8/6$278
This Booking.com deal was found by Cheapflights users on 8/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:41 pm -
1 stop4h 15m
Wed 9/303:57 pm -
Nonstop1h 53m
Deal found 8/9$287
This Delta deal was found by Cheapflights users on 8/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:10 pm -
1 stop4h 12m
Fri 9/186:57 pm -
1 stop5h 43m
Deal found 8/4$288
This Delta deal was found by Cheapflights users on 8/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:44 pm -
1 stop3h 36m
Tue 9/226:00 am -
1 stop6h 52m
Deal found 8/5$341
This Expedia deal was found by Cheapflights users on 8/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:08 pm -
1 stop6h 48m
Wed 9/303:57 pm -
1 stop7h 44m
Deal found 8/9$366
This Alaska Airlines deal was found by Cheapflights users on 8/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/299:56 am -
1 stop4h 24m
Wed 9/22:01 pm -
1 stop4h 05m
Deal found 8/4$374
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Thu 9/35:00 am -
1 stop7h 29m
Sat 9/54:04 pm -
1 stop6h 18m
Deal found 8/7$389

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 August 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$237
(Alaska Airlines)

One-way from

$134
(Delta)

Popular in

January

Cheapest in

July

Average price

$387

Good round-trip deal

$257 or less

Good one-way deal

$101 or less
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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One-way flight from Oregon to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Oregon to Idaho Falls Fanning Field.
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Price to beat on a one-way flight from Oregon to Idaho Falls Fanning Field.
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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 August 9, 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
Quickest round-trip

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Sat 10/31

10:30 am-1:21 pm

Nonstop1h 51m

Idaho Falls Fanning Field

Wed 11/4

3:54 pm-4:47 pm

Nonstop1h 53m

$237

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Wed 9/16

5:10 pm-10:22 pm

1 stop4h 12m

Idaho Falls Fanning Field

Fri 9/18

6:57 pm-11:40 pm

1 stop5h 43m

$288

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Sun 9/27

10:30 am-1:24 pm

Nonstop1h 54m

Idaho Falls Fanning Field

Wed 9/30

6:18 am-11:20 am

1 stop6h 02m

$297

EugeneIdaho Falls

EUG Eugene - IDA Idaho Falls Fanning Field

EUGIDA

Eugene

Tue 9/1

12:47 pm-9:18 pm

1 stop7h 31m

Idaho Falls Fanning Field

Tue 9/22

4:04 pm-9:17 pm

1 stop6h 13m

$341

EugeneIdaho Falls

EUG Eugene - IDA Idaho Falls Fanning Field

EUGIDA

Eugene

Tue 9/1

1:44 pm-6:20 pm

1 stop3h 36m

Idaho Falls Fanning Field

Tue 9/22

6:00 am-11:52 am

1 stop6h 52m

$341

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Sat 9/12

5:10 pm-10:22 pm

1 stop4h 12m

Idaho Falls Fanning Field

Sat 9/19

6:00 am-11:46 am

2 stops6h 46m

$368

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Fri 9/18

10:30 am-1:24 pm

Nonstop1h 54m

Idaho Falls Fanning Field

Sun 9/20

3:57 pm-4:50 pm

Nonstop1h 53m

$372

EugeneIdaho Falls

EUG Eugene - IDA Idaho Falls Fanning Field

EUGIDA

Eugene

Sat 8/29

9:56 am-3:20 pm

1 stop4h 24m

Idaho Falls Fanning Field

Wed 9/2

2:01 pm-5:06 pm

1 stop4h 05m

$374

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Wed 9/2

10:30 am-1:24 pm

Nonstop1h 54m

Idaho Falls Fanning Field

Tue 9/8

3:57 pm-4:50 pm

Nonstop1h 53m

$392

EugeneIdaho Falls

EUG Eugene - IDA Idaho Falls Fanning Field

EUGIDA

Eugene

Fri 11/13

10:04 am-3:17 pm

1 stop4h 13m

Idaho Falls Fanning Field

Tue 11/17

1:53 pm-6:01 pm

1 stop5h 08m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/4

Showing 1-10 of 40 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 $107). Flying from Oregon to Idaho Falls in January is currently the most expensive (average of $496). 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 August 9, 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 August 9, 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).

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 51m. Alaska Airlines provides one of the quickest options available for as low as $237. 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 Delta and Alaska Airlines, with prices starting from $133 and $154, 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 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 Allegiant Air (82%), SkyWest Airlines (79%) or Alaska Airlines (79%) 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 $96. While the most popular route (Portland - Idaho Falls Fanning Field) can be booked for $267 on average, our data indicates $245 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 $107). Flying from Oregon to Idaho Falls in January is currently the most expensive (average of $496). 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

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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 August 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$68Average$122FlexibilityNo cancel feeOn-time88%
DeltaCheapest$168Average$426FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$193Average$436FlexibilityNo cancel feeOn-time75%

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