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Idaho Falls

$180+ 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — IDA
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
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 January 26, 2026.

This Delta deal was found by Cheapflights users on 1/25. 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 3/412:35 pm
EUG
-
IDA
1 stop4h 14m
Delta
Sat 3/75:25 am
IDA
-
EUG
1 stop7h 25m
Delta
Deal found 1/25$197
This Alaska Airlines deal was found by Cheapflights users on 1/24. 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 3/103:52 pm
PDX
-
IDA
1 stop6h 44m
Alaska Airlines
Wed 3/115:20 pm
IDA
-
PDX
1 stop6h 21m
Alaska Airlines
Deal found 1/24$198
This Delta deal was found by Cheapflights users on 1/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:00 pm
PDX
-
IDA
1 stop4h 21m
Delta
Tue 3/36:35 pm
IDA
-
PDX
1 stop6h 18m
Delta
Deal found 1/26$223
This Delta deal was found by Cheapflights users on 1/25. 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 3/412:35 pm
EUG
-
IDA
1 stop4h 14m
Delta
Fri 3/66:35 pm
IDA
-
EUG
1 stop6h 24m
Delta
Deal found 1/25$229
This Alaska Airlines deal was found by Cheapflights users on 1/25. 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 3/512:52 pm
EUG
-
IDA
2 stops9h 44m
Alaska Airlines
Sat 3/75:20 pm
IDA
-
EUG
1 stop4h 07m
Alaska Airlines
Deal found 1/25$230
This Alaska Airlines deal was found by Cheapflights users on 1/25. 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 3/113:07 pm
EUG
-
IDA
1 stop7h 29m
Alaska Airlines
Sat 3/145:20 pm
IDA
-
EUG
1 stop5h 11m
Alaska Airlines
Deal found 1/25$250
This Alaska Airlines deal was found by Cheapflights users on 1/25. 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 2/249:01 am
EUG
-
IDA
1 stop6h 42m
Alaska Airlines
Fri 2/275:20 pm
IDA
-
EUG
1 stop5h 11m
Alaska Airlines
Deal found 1/25$251
This Alaska Airlines deal was found by Cheapflights users on 1/25. 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 2/259:01 am
EUG
-
IDA
1 stop6h 42m
Alaska Airlines
Sat 2/285:20 pm
IDA
-
EUG
1 stop5h 11m
Alaska Airlines
Deal found 1/25$257
This Alaska Airlines deal was found by Cheapflights users on 1/25. 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 8/410:46 am
PDX
-
IDA
Nonstop1h 36m
Alaska Airlines
Tue 8/114:17 pm
IDA
-
PDX
Nonstop1h 36m
Alaska Airlines
Deal found 1/25$257
This Alaska Airlines deal was found by Cheapflights users on 1/25. 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 2/269:01 am
EUG
-
IDA
1 stop6h 42m
Alaska Airlines
Sat 2/285:20 pm
IDA
-
EUG
1 stop5h 11m
Alaska Airlines
Deal found 1/25$259
This Alaska Airlines deal was found by Cheapflights users on 1/25. 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 2/284:01 pm
EUG
-
IDA
2 stops30h 35m
Alaska Airlines
Wed 3/45:20 pm
IDA
-
EUG
1 stop5h 11m
Alaska Airlines
Deal found 1/25$260
This Expedia deal was found by Cheapflights users on 1/25. 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 3/91:29 pm
EUG
-
IDA
1 stop9h 07m
Alaska Airlines
Mon 3/165:20 pm
IDA
-
EUG
1 stop5h 11m
Alaska Airlines
Deal found 1/25$261

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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$197
(Delta)

One-way from

$180
(Kiwi.com)

Popular in

January

Cheapest in

June

Average price

$496

Good round-trip deal

$131 or less

Good one-way deal

$60 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. 6% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Oregon to Idaho Falls Fanning Field.
Search Deals
Price to beat on a one-way 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 January 26, 2026.
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

Tue 3/10

3:52 pm-11:36 pm

1 stop6h 44m

Idaho Falls Fanning Field

Wed 3/11

5:20 pm-10:41 pm

1 stop6h 21m

$198

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Sat 2/21

5:25 pm-10:21 pm

1 stop3h 56m

Idaho Falls Fanning Field

Sat 2/28

5:25 am-9:15 am

1 stop4h 50m

$223

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Thu 3/5

12:52 pm-11:36 pm

2 stops9h 44m

Idaho Falls Fanning Field

Sat 3/7

5:20 pm-8:27 pm

1 stop4h 07m

$230

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Sat 2/28

9:01 am-4:43 pm

1 stop6h 42m

Idaho Falls Fanning Field

Wed 3/4

8:00 am-12:52 pm

1 stop5h 52m

$257

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Sat 3/7

9:01 am-4:43 pm

1 stop6h 42m

Idaho Falls Fanning Field

Mon 3/9

5:20 pm-9:31 pm

1 stop5h 11m

$259

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Tue 3/10

9:01 am-4:43 pm

1 stop6h 42m

Idaho Falls Fanning Field

Thu 3/12

8:00 am-12:52 pm

1 stop5h 52m

$259

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Mon 3/9

1:29 pm-11:36 pm

1 stop9h 07m

Idaho Falls Fanning Field

Mon 3/16

5:20 pm-9:31 pm

1 stop5h 11m

$261

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Thu 2/26

8:30 am-4:43 pm

1 stop7h 13m

Idaho Falls Fanning Field

Sat 2/28

8:00 am-10:46 am

1 stop3h 46m

$264

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Sun 3/15

1:29 pm-11:36 pm

1 stop9h 07m

Idaho Falls Fanning Field

Tue 3/17

5:20 pm-8:31 pm

1 stop4h 11m

$270

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Mon 3/9

1:29 pm-4:43 pm

1 stop26h 14m

Idaho Falls Fanning Field

Thu 3/12

8:00 am-12:52 pm

1 stop5h 52m

$292

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Showing 1-10 of 29 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 $293). 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.

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 3h 56m. Alaska Airlines provides one of the quickest options available for as low as $223. 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?

    $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 $113 and $184, 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.

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

    Looking at all options, your cheapest flight can be booked for $57. While the most popular route (Portland - Idaho Falls Fanning Field) can be booked for $173 on average, our data indicates $124 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 September is currently the most expensive (average of $293). 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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$44Average$97FlexibilityNo cancel feeOn-time88%
DeltaCheapest$162Average$450FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$178Average$359FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$193Average$455FlexibilityNo cancel feeOn-time75%

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