$159+ Cheap flights from Idaho Falls to Portland (IDA - PDX)
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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — PDX
Mar 10 — Mar 171
1 adult, Economy
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Find cheap flights from Idaho Falls to Portland 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.Cheapflights Tip: The best prices from Idaho Falls Fanning Field to Portland are usually found in April or May, booked 35 days in advance, depart on a Wednesday or Monday and return on a Wednesday
Cheap flight deals from Idaho Falls to Portland
Cheapest
Best
Last-minute
One-way
Cheapest flights from Idaho Falls to PortlandExplore the most affordable flight options available from Idaho Falls to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 8, 2026.
Explore the most affordable flight options available from Idaho Falls to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 8, 2026.
This Travelocity deal was found by Cheapflights users on 2/4. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/14:17 pm
IDA
- PDX
Nonstop1h 36m
Alaska Airlines
Tue 8/410:46 am
PDX
- IDA
Nonstop1h 36m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/224:00 pm
IDA
- PDX
Nonstop1h 41m
Alaska Airlines
Sun 8/309:59 pm
PDX
- IDA
1 stop23h 40m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$300
This Travelocity deal was found by Cheapflights users on 2/6. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:00 am
IDA
- PDX
1 stop4h 31m
Alaska Airlines
Wed 5/2010:30 am
PDX
- IDA
Nonstop1h 36m
Alaska Airlines
Deal found 2/6![Alaska Airlines logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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.
Fri 2/275:20 pm
IDA
- PDX
1 stop16h 29m
Alaska Airlines
Mon 3/23:52 pm
PDX
- IDA
1 stop23h 51m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$313
This Alaska Airlines deal was found by Cheapflights users on 2/6. 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 8/224:00 pm
IDA
- PDX
Nonstop1h 41m
Alaska Airlines
Mon 8/313:40 pm
PDX
- IDA
1 stop5h 59m
Alaska Airlines
Deal found 2/6![Alaska Airlines logo]()
$315
This Orbitz deal was found by Cheapflights users on 2/7. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:00 am
IDA
- PDX
1 stop4h 31m
Alaska Airlines
Mon 4/271:52 pm
PDX
- IDA
1 stop7h 48m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 2/8. 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.
Sat 8/226:10 am
IDA
- PDX
1 stop3h 53m
Delta
Sun 8/306:00 am
PDX
- IDA
1 stop3h 39m
Delta
Deal found 2/8![Delta logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/34:08 pm
IDA
- PDX
Nonstop1h 42m
Alaska Airlines
Sun 6/75:00 am
PDX
- IDA
1 stop16h 45m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$330
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/34:08 pm
IDA
- PDX
Nonstop1h 42m
Alaska Airlines
Thu 6/410:30 am
PDX
- IDA
Nonstop1h 36m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$337
Best flights from Idaho Falls to PortlandDiscover carefully curated flight deals from Idaho Falls to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 8, 2026.
Discover carefully curated flight deals from Idaho Falls to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 8, 2026.
This Travelocity deal was found by Cheapflights users on 2/4. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/14:17 pm
IDA
- PDX
Nonstop1h 36m
Alaska Airlines
Tue 8/410:46 am
PDX
- IDA
Nonstop1h 36m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/34:08 pm
IDA
- PDX
Nonstop1h 42m
Alaska Airlines
Thu 6/45:46 pm
PDX
- IDA
1 stop3h 59m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$307
This Travelocity deal was found by Cheapflights users on 2/7. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/84:06 pm
IDA
- PDX
1 stop4h 28m
Alaska Airlines
Wed 5/2010:30 am
PDX
- IDA
Nonstop1h 36m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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.
Fri 2/275:20 pm
IDA
- PDX
1 stop16h 29m
Alaska Airlines
Mon 3/23:52 pm
PDX
- IDA
1 stop23h 51m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$313
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:00 am
IDA
- PDX
1 stop4h 32m
Alaska Airlines
Thu 6/45:46 pm
PDX
- IDA
1 stop3h 59m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:00 am
IDA
- PDX
1 stop4h 31m
Alaska Airlines
Wed 5/65:30 pm
PDX
- IDA
1 stop4h 10m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$317
This Expedia deal was found by Cheapflights users on 2/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:00 am
IDA
- PDX
1 stop4h 31m
Alaska Airlines
Mon 4/275:30 pm
PDX
- IDA
1 stop4h 10m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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 8/14:17 pm
IDA
- PDX
Nonstop1h 36m
Alaska Airlines
Mon 8/39:30 pm
PDX
- IDA
1 stop25h 29m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$330
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/34:08 pm
IDA
- PDX
Nonstop1h 42m
Alaska Airlines
Sun 6/75:00 am
PDX
- IDA
1 stop16h 45m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$330
Last-minute flights from Idaho Falls to PortlandDiscover last-minute flight deals from Idaho Falls to Portland. Data last updated February 8, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho Falls to Portland. Data last updated February 8, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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.
Fri 2/275:20 pm
IDA
- PDX
1 stop16h 29m
Alaska Airlines
Mon 3/23:52 pm
PDX
- IDA
1 stop23h 51m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$313
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:20 pm
IDA
- PDX
2 stops21h 18m
Alaska Airlines
Thu 3/123:52 pm
PDX
- IDA
1 stop6h 44m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/610:30 pm
IDA
- PDX
2 stops37h 22m
Multiple Airlines
Fri 3/139:53 pm
PDX
- IDA
1 stop22h 53m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$344
This Alaska Airlines deal was found by Cheapflights users on 2/6. 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.
Fri 3/68:00 am
IDA
- PDX
1 stop3h 46m
Alaska Airlines
Mon 3/96:00 am
PDX
- IDA
1 stop9h 43m
Alaska Airlines
Deal found 2/6![Alaska Airlines logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 2/6. 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.
Fri 3/65:20 pm
IDA
- PDX
2 stops21h 02m
Alaska Airlines
Fri 3/133:52 pm
PDX
- IDA
1 stop6h 44m
Alaska Airlines
Deal found 2/6![Alaska Airlines logo]()
$386
This Alaska Airlines deal was found by Cheapflights users on 2/6. 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.
Mon 3/95:20 pm
IDA
- PDX
1 stop6h 21m
Alaska Airlines
Mon 3/163:52 pm
PDX
- IDA
1 stop6h 44m
Alaska Airlines
Deal found 2/6![Alaska Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 2/7. 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.
Sun 3/156:55 pm
IDA
- PDX
1 stop5h 59m
Delta
Wed 3/185:45 am
PDX
- IDA
1 stop5h 42m
Delta
Deal found 2/7![Delta logo]()
$366
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/305:59 pm
IDA
- PDX
1 stop15h 11m
Alaska Airlines
Sun 4/51:35 pm
PDX
- IDA
1 stop25h 44m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$378
One-way flights from Idaho Falls to PortlandSearch for one-way flight options from Idaho Falls to Portland. Find affordable one-way fares based on user searches. Data last updated February 8, 2026.
Search for one-way flight options from Idaho Falls to Portland. Find affordable one-way fares based on user searches. Data last updated February 8, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/66:00 am
IDA
- PDX
1 stop5h 33m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$159
This American Airlines deal was found by Cheapflights users on 2/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:48 am
IDA
- PDX
2 stops14h 47m
American Airlines
Deal found 2/5![American Airlines logo]()
$194
This Expedia deal was found by Cheapflights users on 2/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:00 am
IDA
- PDX
1 stop5h 44m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$199
This Expedia deal was found by Cheapflights users on 2/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/106:00 am
IDA
- PDX
1 stop5h 33m
Alaska Airlines
Deal found 2/6![Alaska Airlines logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 2/7. 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.
Mon 4/610:06 pm
IDA
- PDX
3 stops24h 32m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/254:06 pm
IDA
- PDX
3 stops46h 37m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$454
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/255:20 pm
IDA
- PDX
3 stops28h 14m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$510
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:41 pm
IDA
- PDX
3 stops41h 22m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$585
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/104:59 pm
IDA
- PDX
3 stops45h 47m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$814
Find flight deals from Idaho Falls to Portland
Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $257 (Travelocity) |
One-way from | $159 (Alaska Airlines) |
Popular in | January |
Cheapest in | April |
Average price | $423 |
Good round-trip deal | $287 or less |
Good one-way deal | $73 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho Falls to Portland 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 February 8, 2026.
Use the filters below to find and compare flights from Idaho Falls to Portland that are best for you.
Fly from
Idaho Falls
Fly to
Portland
Route
Depart
Return
Price
Idaho FallsPortland
IDA - PDX
IDAPDX
Idaho Falls Fanning Field
Sat 8/1
4:17 pm-4:53 pm
Nonstop1h 36m
Portland
Tue 8/4
10:46 am-1:22 pm
Nonstop1h 36m
$257
Idaho FallsPortland
IDA - PDX
IDAPDX
Idaho Falls Fanning Field
Wed 6/3
4:08 pm-4:50 pm
Nonstop1h 42m
Portland
Thu 6/4
5:46 pm-10:45 pm
1 stop3h 59m
$307
Idaho FallsPortland
IDA - PDX
IDAPDX
Idaho Falls Fanning Field
Fri 5/8
4:06 pm-7:34 pm
1 stop4h 28m
Portland
Wed 5/20
10:30 am-1:06 pm
Nonstop1h 36m
$307
Idaho FallsPortland
IDA - PDX
IDAPDX
Idaho Falls Fanning Field
Fri 2/27
5:20 pm-8:49 am
1 stop16h 29m
Portland
Mon 3/2
3:52 pm-4:43 pm
1 stop23h 51m
$313
Idaho FallsPortland
IDA - PDX
IDAPDX
Idaho Falls Fanning Field
Thu 6/4
6:00 am-9:32 am
1 stop4h 32m
Portland
Thu 6/4
5:46 pm-10:45 pm
1 stop3h 59m
$317
Idaho FallsPortland
IDA - PDX
IDAPDX
Idaho Falls Fanning Field
Wed 5/6
6:00 am-9:31 am
1 stop4h 31m
Portland
Wed 5/6
5:30 pm-10:40 pm
1 stop4h 10m
$317
Idaho FallsPortland
IDA - PDX
IDAPDX
Idaho Falls Fanning Field
Fri 4/24
6:00 am-9:31 am
1 stop4h 31m
Portland
Mon 4/27
5:30 pm-10:40 pm
1 stop4h 10m
$317
Idaho FallsPortland
IDA - PDX
IDAPDX
Idaho Falls Fanning Field
Sat 8/1
4:17 pm-4:53 pm
Nonstop1h 36m
Portland
Mon 8/3
9:30 pm-11:59 pm
1 stop25h 29m
$330
Idaho FallsPortland
IDA - PDX
IDAPDX
Idaho Falls Fanning Field
Wed 6/3
4:08 pm-4:50 pm
Nonstop1h 42m
Portland
Sun 6/7
5:00 am-10:45 pm
1 stop16h 45m
$330
Idaho FallsPortland
IDA - PDX
IDAPDX
Idaho Falls Fanning Field
Mon 4/6
6:00 am-10:33 am
1 stop5h 33m
$159
Showing 1-10 of 15 results
Compare providers for flights from Idaho Falls to Portland
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to Portland in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Idaho Falls-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-Portland flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Idaho Falls-Portland flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Idaho Falls-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Idaho Falls to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from Idaho Falls with our price prediction graph.
IDA-PDX
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 Portland
How far ahead should I book a flight from Idaho Falls to Portland?
Use this chart to determine the optimal time to book a round-trip flight from Idaho Falls to Portland. Price data was last updated on February 6, 2026.
The best time to book flights from Idaho Falls to Portland is 35 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Idaho Falls to Portland?
Currently, March is the cheapest month in which you can book a flight from Idaho Falls to Portland (average of $44). Flying from Idaho Falls to Portland in September is currently the most expensive (average of $297). 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.
How much does it cost to fly round-trip from Idaho Falls to Portland?
Reviews of airlines servicing Portland
Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated February 8, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Idaho Falls to Portland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.1
Entertainment
7.0
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.1
Entertainment
7.0
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.1
Entertainment
7.0
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.1
Entertainment
7.0
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.1
Entertainment
7.0
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
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Find useful and relevant information for your journey from Idaho Falls to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsVancouver
Seaside
Clackamas
Lincoln City
Longview
Lake Oswego
Beaverton
Hillsboro
Troutdale
Cannon Beach
Long Beach
McMinnville
Tigard
The Dalles
Depoe Bay
Wilsonville
Stevenson
Tillamook
Pacific City
Gresham
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Idaho Falls and Portland flights
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Top 4 airlines flying from Idaho Falls to Portland
Discover the top 4 airlines that operate flights from Idaho Falls to Portland. 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 February 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$45 | Average$108 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$162 | Average$226 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$162 | Average$448 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$216 | Average$424 | FlexibilityNo cancel fee | On-time75% |