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Idaho Falls

$48+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — IDA
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$149
(Kiwi.com)

One-way from

$48
(Kiwi.com)

Popular in

September

Cheapest in

June

Average price

$318
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
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Highest demand for flights based on searches. 44% potential increase in price ($174 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 13, 2025.

This Booking.com deal was found by Cheapflights users on 11/10. 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 Booking.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 11/10$123
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Fri 12/2610:01 amPDX - IDA
Nonstop1h 35mAllegiant Air
Mon 1/51:26 pmIDA - PDX
Nonstop1h 45mAllegiant Air
Deal found 11/10$149
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Fri 12/2610:01 amPDX - IDA
Nonstop1h 35mAllegiant Air
Fri 1/21:26 pmIDA - PDX
Nonstop1h 45mAllegiant Air
Deal found 11/10$154
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Mon 12/2910:01 amPDX - IDA
Nonstop1h 35mAllegiant Air
Mon 1/51:26 pmIDA - PDX
Nonstop1h 45mAllegiant Air
Deal found 11/10$182
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Mon 12/2910:01 amPDX - IDA
Nonstop1h 35mAllegiant Air
Fri 1/21:26 pmIDA - PDX
Nonstop1h 45mAllegiant Air
Deal found 11/10$186
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 11/241:54 pmPDX - IDA
Nonstop1h 38mMultiple Airlines
Mon 11/249:43 pmIDA - PDX
1 stop12h 38mMultiple Airlines
Deal found 11/12$234
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Fri 11/211:54 pmPDX - IDA
Nonstop1h 38mMultiple Airlines
Mon 11/243:14 pmIDA - PDX
1 stop3h 49mMultiple Airlines
Deal found 11/10$238
This FlightHub deal was found by Cheapflights users on 11/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/221:01 pmPDX - IDA
Nonstop1h 35mAllegiant Air
Fri 12/261:26 pmIDA - PDX
Nonstop1h 45mAllegiant Air
Deal found 11/11$250
This Delta deal was found by Cheapflights users on 11/13. 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 12/125:05 pmPDX - IDA
1 stop4h 16mDelta
Mon 12/157:06 pmIDA - PDX
1 stop5h 58mDelta
Deal found 11/13$277
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Fri 12/2610:01 amPDX - IDA
Nonstop1h 35mMultiple Airlines
Thu 1/16:00 amIDA - PDX
1 stop4h 50mMultiple Airlines
Deal found 11/10$279
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 12/1112:51 pmPDX - IDA
2 stops23h 25mMultiple Airlines
Sun 12/144:39 pmIDA - PDX
1 stop16h 57mMultiple Airlines
Deal found 11/11$280
This Alaska Airlines deal was found by Cheapflights users on 11/11. 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.
Fri 12/121:13 pmEUG - IDA
1 stop9h 46mAlaska Airlines
Mon 12/155:07 pmIDA - EUG
1 stop20h 29mAlaska Airlines
Deal found 11/11$322

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 November 13, 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

Mon 11/24

1:54 pm-4:32 pm

Nonstop1h 38m

Idaho Falls Fanning Field

Mon 11/24

9:43 pm-9:21 am

1 stop12h 38m

$234

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Thu 2/5

10:30 am-6:18 pm

1 stop6h 48m

Idaho Falls Fanning Field

Mon 2/9

9:00 am-1:48 pm

1 stop5h 48m

$277

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Wed 4/15

12:30 pm-10:14 pm

2 stops8h 44m

Idaho Falls Fanning Field

Sat 4/18

6:50 pm-11:46 pm

1 stop5h 56m

$289

MedfordIdaho Falls

MFR - IDA

MFRIDA

Medford

Sun 4/12

3:40 pm-10:35 pm

1 stop5h 55m

Idaho Falls Fanning Field

Thu 4/16

6:15 am-11:12 am

1 stop5h 57m

$292

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Wed 12/3

5:49 pm-11:59 pm

1 stop5h 10m

Idaho Falls Fanning Field

Wed 12/10

5:07 pm-1:50 pm

1 stop21h 43m

$293

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Wed 4/15

5:30 pm-10:35 pm

1 stop4h 05m

Idaho Falls Fanning Field

Sat 4/18

4:00 pm-8:59 pm

1 stop5h 59m

$306

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

7:06 pm-12:04 am

1 stop5h 58m

$311

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Mon 12/22

1:01 pm-3:36 pm

Nonstop1h 35m

Idaho Falls Fanning Field

Fri 12/26

1:26 pm-2:11 pm

Nonstop1h 45m

$314

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Fri 12/26

10:01 am-12:36 pm

Nonstop1h 35m

Idaho Falls Fanning Field

Sun 1/4

6:00 am-10:53 am

1 stop5h 53m

$322

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Fri 12/12

1:13 pm-11:59 pm

1 stop9h 46m

Idaho Falls Fanning Field

Mon 12/15

5:07 pm-12:36 pm

1 stop20h 29m

$322

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 30 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 November 13, 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 5h 55m. Alaska Airlines provides one of the quickest options available for as low as $292. There are 552 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?

    $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 American Airlines, with prices starting from $138 and $206, 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$56Average$105FlexibilityNo cancel feeOn-time88%
DeltaCheapest$171Average$451FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$184Average$364FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$256Average$474FlexibilityNo cancel feeOn-time75%

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