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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 6/19. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — IDA
Apr 18 — Apr 251
Sat 4/18
Sat 4/25
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 March 19, 2026.

This Booking.com deal was found by Cheapflights users on 3/15. 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 6/193:09 pm
PDX
-
IDA
Nonstop1h 40m
Allegiant Air
Fri 6/266:39 pm
IDA
-
PDX
Nonstop1h 39m
Allegiant Air
Deal found 3/15$106
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 5/2710:30 am
PDX
-
IDA
Nonstop1h 47m
Multiple Airlines
Mon 6/16:39 pm
IDA
-
PDX
Nonstop1h 41m
Multiple Airlines
Deal found 3/16$239
This Delta deal was found by Cheapflights users on 3/16. 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 5/135:45 am
PDX
-
IDA
1 stop4h 02m
Delta
Sun 5/176:00 am
IDA
-
PDX
1 stop3h 52m
Delta
Deal found 3/16$248
This Expedia deal was found by Cheapflights users on 3/16. 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.
Wed 4/151:22 pm
MFR
-
IDA
1 stop8h 30m
Alaska Airlines
Tue 4/284:06 pm
IDA
-
MFR
1 stop3h 58m
Alaska Airlines
Deal found 3/16$269
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 6/193:09 pm
PDX
-
IDA
Nonstop1h 40m
Multiple Airlines
Fri 6/2610:56 pm
IDA
-
PDX
1 stop23h 13m
Multiple Airlines
Deal found 3/15$275
This Expedia deal was found by Cheapflights users on 3/14. 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.
Wed 9/911:50 am
PDX
-
IDA
Nonstop1h 37m
Alaska Airlines
Sun 9/134:00 pm
IDA
-
PDX
Nonstop1h 41m
Alaska Airlines
Deal found 3/14$317
This Delta deal was found by Cheapflights users on 3/15. 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.
Mon 4/135:05 pm
PDX
-
IDA
1 stop4h 35m
Delta
Mon 4/206:58 pm
IDA
-
PDX
1 stop5h 55m
Delta
Deal found 3/15$333
This Alaska Airlines deal was found by Cheapflights users on 3/18. 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 10/288:40 am
EUG
-
IDA
1 stop5h 49m
Alaska Airlines
Sat 10/314:03 pm
IDA
-
EUG
1 stop6h 07m
Alaska Airlines
Deal found 3/18$334
This Alaska Airlines deal was found by Cheapflights users on 3/16. 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 5/1310:30 am
PDX
-
IDA
Nonstop1h 47m
Alaska Airlines
Sun 5/176:00 am
IDA
-
PDX
1 stop4h 47m
Alaska Airlines
Deal found 3/16$336
This Alaska Airlines deal was found by Cheapflights users on 3/18. 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 5/1510:30 am
PDX
-
IDA
Nonstop1h 47m
Alaska Airlines
Sun 5/174:03 pm
IDA
-
PDX
Nonstop1h 47m
Alaska Airlines
Deal found 3/18$337
This Alaska Airlines deal was found by Cheapflights users on 3/17. 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 5/1310:18 am
EUG
-
IDA
1 stop4h 08m
Alaska Airlines
Sat 5/164:03 pm
IDA
-
EUG
1 stop7h 47m
Alaska Airlines
Deal found 3/17$346
This Alaska Airlines deal was found by Cheapflights users on 3/17. 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 6/1610:30 am
PDX
-
IDA
Nonstop1h 36m
Alaska Airlines
Mon 6/224:14 pm
IDA
-
PDX
Nonstop1h 36m
Alaska Airlines
Deal found 3/17$357

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 March 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$106
(Booking.com)

Popular in

January

Cheapest in

June

Average price

$397

Good round-trip deal

$88 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
Highest demand for flights based on searches. 18% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip 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 March 19, 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

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Wed 5/13

10:18 am-3:26 pm

1 stop4h 08m

Idaho Falls Fanning Field

Sat 5/16

4:03 pm-10:50 pm

1 stop7h 47m

$346

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Thu 6/4

5:45 am-10:47 am

1 stop4h 02m

Idaho Falls Fanning Field

Sun 6/7

6:10 am-9:03 am

1 stop3h 53m

$357

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Sat 5/9

8:45 am-10:40 pm

1 stop12h 55m

Idaho Falls Fanning Field

Tue 5/12

4:06 pm-9:47 am

1 stop18h 41m

$364

MedfordIdaho Falls

MFR - IDA

MFRIDA

Medford

Wed 5/20

1:26 pm-10:53 pm

1 stop8h 27m

Idaho Falls Fanning Field

Wed 6/3

4:03 pm-6:39 pm

1 stop3h 36m

$364

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Wed 5/27

5:10 am-10:47 am

1 stop4h 37m

Idaho Falls Fanning Field

Sat 5/30

6:00 am-11:46 am

1 stop6h 46m

$367

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Fri 4/10

1:35 pm-10:52 pm

1 stop8h 17m

Idaho Falls Fanning Field

Fri 4/17

4:59 pm-9:38 pm

1 stop5h 39m

$377
Quickest round-trip

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Thu 6/4

10:30 am-1:17 pm

Nonstop1h 47m

Idaho Falls Fanning Field

Sun 6/7

4:03 pm-4:50 pm

Nonstop1h 47m

$387

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Thu 5/21

10:30 am-1:17 pm

Nonstop1h 47m

Idaho Falls Fanning Field

Sun 5/24

6:00 am-11:31 am

1 stop6h 31m

$407

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Fri 5/8

7:18 pm-10:40 pm

1 stop26h 22m

Idaho Falls Fanning Field

Mon 5/11

6:00 am-9:31 am

1 stop4h 31m

$423

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Wed 5/13

10:30 am-1:17 pm

Nonstop1h 47m

Idaho Falls Fanning Field

Sun 5/17

4:03 pm-4:50 pm

Nonstop1h 47m

$437

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

Showing 1-10 of 31 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 $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 4h 02m. Alaska Airlines provides one of the quickest options available for as low as $357. 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 $154 and $184, 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 $68. While the most popular route (Portland - Idaho Falls Fanning Field) can be booked for $248 on average, our data indicates $88 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 March 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$44Average$98FlexibilityNo cancel feeOn-time88%
DeltaCheapest$162Average$432FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$178Average$364FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$193Average$503FlexibilityNo cancel feeOn-time75%

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