HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Oregon

$104+ Cheap flights from Idaho Falls (IDA) to Oregon

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — PDX
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho Falls to Oregon with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Idaho Falls to Oregon

Cheapest flights from Idaho Falls to Oregon
Explore the most affordable flight options available from Idaho Falls to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

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.
Fri 12/53:26 pmIDA - PDX
Nonstop1h 45mAllegiant Air
Fri 12/1212:01 pmPDX - IDA
Nonstop1h 35mAllegiant Air
Deal found 10/28$104
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.
Fri 12/53:26 pmIDA - PDX
Nonstop1h 45mAllegiant Air
Mon 12/812:01 pmPDX - IDA
Nonstop1h 35mAllegiant Air
Deal found 10/28$106
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 11/215:22 pmIDA - PDX
Nonstop1h 45mAllegiant Air
Mon 11/241:54 pmPDX - IDA
Nonstop1h 38mAllegiant Air
Deal found 10/28$161
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1410:56 pmIDA - PDX
2 stops40h 35mMultiple Airlines
Fri 11/211:54 pmPDX - IDA
Nonstop1h 38mMultiple Airlines
Deal found 10/26$192
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 12/56:05 amIDA - PDX
1 stop5h 45mMultiple Airlines
Fri 12/1212:01 pmPDX - IDA
Nonstop1h 35mMultiple Airlines
Deal found 10/27$199

Cheap flight deals from Idaho Falls to Oregon

Keep the following information in mind while searching for Idaho Falls to Oregon flight deals. Data was last updated October 29, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$104
(Kiwi.com)

Popular in

September

Cheapest in

April

Average price

$368

Good one-way deal

$89 or less
Provider with most accurate pricing for Idaho Falls Fanning Field-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Portland flights.
Search Deals
From Idaho Falls Fanning Field to Oregon
Search Deals
Highest demand for flights based on searches. 35% potential increase in price ($112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a one-way flight from Idaho Falls Fanning Field to Oregon.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Oregon 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 Idaho Falls to Oregon that are best for you.

Fly from

Idaho Falls

Fly to

Oregon

Route

Depart

Return

Price

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Fri 11/14

10:56 pm-2:31 pm

2 stops40h 35m

Portland

Fri 11/21

1:54 pm-4:32 pm

Nonstop1h 38m

$192

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Fri 12/5

6:05 am-9:32 am

1 stop4h 27m

Portland

Fri 12/12

12:01 pm-2:36 pm

Nonstop1h 35m

$217

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Fri 12/5

5:07 pm-1:50 pm

1 stop21h 43m

Portland

Mon 12/8

7:44 pm-4:27 pm

1 stop19h 43m

$244

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Wed 12/3

5:07 pm-9:32 am

1 stop17h 25m

Portland

Tue 12/9

5:49 pm-4:27 pm

1 stop21h 38m

$244

Idaho FallsMedford

IDA - MFR

IDAMFR

Idaho Falls Fanning Field

Tue 3/10

8:00 am-11:10 am

1 stop4h 10m

Medford

Wed 3/11

3:40 pm-10:38 pm

1 stop5h 58m

$290

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Fri 1/23

6:58 pm-4:34 pm

1 stop22h 36m

Portland

Sun 1/25

5:35 pm-10:59 pm

1 stop4h 24m

$292

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Sun 12/7

7:06 pm-12:04 am

1 stop5h 58m

Portland

Mon 12/8

2:23 pm-10:21 pm

2 stops6h 58m

$306

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Thu 11/13

6:05 am-10:32 am

1 stop5h 27m

Portland

Tue 11/18

2:30 pm-11:59 pm

1 stop8h 29m

$306

Idaho FallsMedford

IDA - MFR

IDAMFR

Idaho Falls Fanning Field

Tue 3/10

6:45 pm-11:47 pm

1 stop6h 02m

Medford

Wed 3/11

11:24 am-10:21 pm

2 stops9h 57m

$326

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Mon 12/22

9:20 pm-1:24 pm

1 stop17h 04m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 19 results
1
2

Best time to book a flight from Idaho Falls to Oregon

Have a flexible travel schedule? Discover the best time to fly to Oregon from Idaho Falls 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 Idaho Falls to Oregon

What is the cheapest month to book a flight from Idaho Falls to Oregon?

Currently, March is the cheapest month in which you can book a flight from Idaho Falls to Oregon (average of $44). Flying from Idaho Falls to Oregon in September is currently the most expensive (average of $275). 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 IDA to OR?

Find hourly flight availability from Idaho Falls to Oregon. 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 optimal to fly from Idaho Falls to Oregon at noon. By choosing this option you can save up to 42% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Idaho Falls to Oregon?

Use this chart to determine the cheapest time to fly round-trip from Idaho Falls to Oregon. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Idaho Falls to Oregon flight should consider departing on Wednesday at noon when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Oregon

Get insights into the airlines that provide service to Oregon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oregon. Reviews last updated October 29, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Idaho Falls to Oregon have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,210 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,210 reviews
Alaska Airlines
8.0
Very good
11,210 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
7,992 reviews
Alaska Airlines
8.0
Very good
11,210 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Hawaiian Airlines
7.8
Good
2,796 reviews
Alaska Airlines
8.0
Very good
11,210 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Allegiant Air
7.2
Good
695 reviews
Alaska Airlines
8.0
Very good
11,210 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to Oregon. 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 from for flights from Idaho Falls to Oregon?

    Idaho Falls Fanning Field (IDA) is the airport you will fly out of if you book a flight from Idaho Falls to Oregon. It is only a 3.8 mi journey to Fanning Field (IDA) from Idaho Falls’s city center.

  • How popular is this Idaho Falls to Oregon flight route?

    The Idaho Falls Fanning Field to Oregon flight path was viewed by 4 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Idaho Falls to Oregon?

    A quick flight from Idaho Falls to Oregon can take about 4h 10m. Alaska Airlines provides one of the quickest options available for as low as $290. There are 552 mi between Idaho Falls and Oregon. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Idaho Falls to Oregon one-way?

    $144 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 $188 and $380, respectively.

  • What are the most popular routes from Idaho Falls to Oregon?

    Most travelers choose Idaho Falls Fanning Field - Portland, Idaho Falls Fanning Field - Medford or Idaho Falls Fanning Field - Pendleton when deciding on the best route from Idaho Falls to Oregon.

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

    Looking for the cheapest flight from Idaho Falls to Oregon? While on average our users pay $89, our data indicates the cheapest price to be $56. The most popular route (Idaho Falls Fanning Field - Portland), is priced around $104.

  • Can I find deals for flights from Idaho Falls to Oregon that include hotel bookings?

    Yes. In addition to deals on Idaho Falls to Oregon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho Falls to Oregon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to Oregon.

  • Can I find deals for business class flights from Idaho Falls to Oregon?

    Yes. Cheapflights offers flight deals from Idaho Falls to Oregon 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 Idaho Falls to Oregon?

    Currently, March is the cheapest month in which you can book a flight from Idaho Falls to Oregon (average of $44). Flying from Idaho Falls to Oregon in September is currently the most expensive (average of $275). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho Falls to Oregon

See prices for flight routes from nearby airports that may be better suited for you.
Spokane to Sky Harbor Intl flights
Spokane to Seattle flights
Boise to Seattle flights
Boise to Denver flights
Boise to Las Vegas flights
Spokane to Los Angeles flights
Boise to Los Angeles flights
Boise to Sky Harbor Intl flights
Spokane to Dallas/Fort Worth flights
Spokane to Las Vegas flights
Boise to O'Hare Intl flights
Boise to Dallas/Fort Worth flights
Spokane to Denver flights
Boise to Honolulu flights
Boise to San Francisco flights
Boise to San Diego flights
Boise to Burbank flights
Spokane to Salt Lake City flights
Boise to Portland flights
Spokane to O'Hare Intl flights
Spokane to San Francisco flights
Boise to Santa Ana flights
Boise to Minneapolis flights
Spokane to Honolulu flights
Spokane to Boise flights
Boise to Orlando flights
Boise to John F Kennedy Intl flights
Idaho Falls to Las Vegas flights
Spokane to Orlando flights
Spokane to Minneapolis flights
Boise to Miami flights
Boise to Kahului flights
Boise to Newark flights
Spokane to San Diego flights
Boise to Ontario flights
Boise to Hobby flights
Spokane to Kahului flights
Boise to Spokane flights
Boise to LaGuardia flights
Idaho Falls to Dallas/Fort Worth flights
Spokane to Hobby flights
Spokane to San Jose flights
Spokane to John F Kennedy Intl flights
Boise to Sacramento flights
Spokane to Miami flights
Spokane to Ontario flights
Spokane to Santa Ana flights
Boise to Atlanta flights
Idaho Falls to Portland flights
Spokane to Portland flights

Top 4 airlines flying from Idaho Falls to Oregon

Discover the top 4 airlines that operate flights from Idaho Falls to Oregon. 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$48Average$108FlexibilityNo cancel feeOn-time88%
Hawaiian AirlinesCheapest$162Average$344FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$232Average$449FlexibilityNo cancel feeOn-time75%
DeltaCheapest$296Average$418FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.