$134+ Cheap flights from Idaho Falls to Portland (IDA - PDX)
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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — PDX
Oct 23 — Oct 301
Round-trip
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 June or July, booked 54 days in advance, depart on a Friday or Monday and return on a Thursday
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 September 23, 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 September 23, 2026.
This SmartFares deal was found by Cheapflights users on 9/23. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:57 pm -
Nonstop1h 52m
Sun 10/2510:30 am -
Nonstop1h 51m
Deal found 9/23![Alaska Airlines logo]()
$225
This Alaska Airlines deal was found by Cheapflights users on 9/19. 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 11/43:55 pm -
Nonstop1h 53m
Tue 11/1010:31 am -
Nonstop1h 45m
Deal found 9/19![Alaska Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 12/23:44 pm -
Nonstop2h 04m
Thu 12/1010:30 am -
Nonstop1h 47m
Deal found 9/20![Alaska Airlines logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 12/43:44 pm -
Nonstop2h 04m
Mon 12/710:30 am -
Nonstop1h 47m
Deal found 9/20![Alaska Airlines logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 9/19. 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 11/63:55 pm -
Nonstop1h 53m
Sat 11/78:08 am -
1 stop6h 10m
Deal found 9/19![Alaska Airlines logo]()
$267
This Delta deal was found by Cheapflights users on 9/19. 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 11/76:00 am -
1 stop3h 50m
Wed 11/115:45 am -
1 stop5h 30m
Deal found 9/19![Delta logo]()
$287
This Delta deal was found by Cheapflights users on 9/20. 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 10/206:56 pm -
1 stop5h 51m
Thu 10/295:15 pm -
1 stop3h 55m
Deal found 9/20![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 9/21. 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 11/96:00 am -
1 stop3h 58m
Fri 11/135:24 pm -
1 stop3h 35m
Deal found 9/21![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 9/22. 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 10/236:56 pm -
1 stop5h 51m
Tue 10/275:33 am -
1 stop5h 49m
Deal found 9/22![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 9/20. 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 10/206:56 pm -
2 stops6h 03m
Fri 10/235:15 pm -
1 stop3h 55m
Deal found 9/20![Delta logo]()
$312
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 September 23, 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 September 23, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/22. 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 12/143:44 pm -
Nonstop2h 04m
Mon 12/2110:30 am -
Nonstop1h 45m
Deal found 9/22![Alaska Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 9/20. 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 10/301:05 pm -
2 stops9h 51m
Mon 11/25:15 pm -
1 stop3h 55m
Deal found 9/20![Delta logo]()
$418
This Alaska Airlines deal was found by Cheapflights users on 9/22. 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 11/33:55 pm -
Nonstop1h 53m
Tue 11/107:04 am -
2 stops14h 50m
Deal found 9/22![Alaska Airlines logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 9/19. 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 11/31:53 pm -
2 stops7h 54m
Sat 11/78:08 am -
1 stop6h 10m
Deal found 9/19![Alaska Airlines logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 9/18. 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.
Mon 12/216:04 am -
1 stop4h 28m
Tue 1/510:30 am -
Nonstop1h 49m
Deal found 9/18![Alaska Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 9/22. 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.
Thu 12/175:35 am -
1 stop4h 27m
Thu 12/245:18 pm -
1 stop4h 17m
Deal found 9/22![Delta logo]()
$468
This Alaska Airlines deal was found by Cheapflights users on 9/19. 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 10/231:58 pm -
2 stops20h 31m
Tue 10/2710:30 am -
Nonstop1h 51m
Deal found 9/19![Alaska Airlines logo]()
$392
This Alaska Airlines deal was found by Cheapflights users on 9/22. 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 10/223:57 pm -
Nonstop1h 52m
Mon 10/267:59 pm -
2 stops26h 00m
Deal found 9/22![Alaska Airlines logo]()
$403
This Alaska Airlines deal was found by Cheapflights users on 9/19. 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 11/123:55 pm -
Nonstop1h 53m
Sun 11/159:00 am -
2 stops29h 18m
Deal found 9/19![Alaska Airlines logo]()
$442
This Alaska Airlines deal was found by Cheapflights users on 9/22. 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 12/143:44 pm -
Nonstop2h 04m
Fri 12/184:02 pm -
1 stop6h 43m
Deal found 9/22![Alaska Airlines logo]()
$462
Last-minute flights from Idaho Falls to PortlandDiscover last-minute flight deals from Idaho Falls to Portland. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho Falls to Portland. Data last updated September 23, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 10/203:57 pm -
Nonstop1h 52m
Sat 10/2410:30 am -
Nonstop1h 51m
Deal found 9/20![Alaska Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 9/20. 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 10/206:56 pm -
1 stop5h 51m
Tue 10/275:15 pm -
1 stop3h 55m
Deal found 9/20![Delta logo]()
$287
This Delta deal was found by Cheapflights users on 9/20. 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 10/206:56 pm -
1 stop5h 51m
Thu 10/295:15 pm -
1 stop3h 55m
Deal found 9/20![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 9/20. 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 10/206:56 pm -
2 stops6h 03m
Fri 10/235:15 pm -
1 stop3h 55m
Deal found 9/20![Delta logo]()
$312
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 10/223:57 pm -
Nonstop1h 52m
Tue 10/2710:30 am -
Nonstop1h 51m
Deal found 9/20![Alaska Airlines logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 10/223:57 pm -
Nonstop1h 52m
Thu 10/2910:30 am -
Nonstop1h 51m
Deal found 9/20![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 9/20. 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.
Thu 10/226:56 pm -
1 stop5h 51m
Thu 10/295:15 pm -
1 stop3h 55m
Deal found 9/20![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 9/22. 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 10/236:56 pm -
1 stop5h 51m
Tue 10/275:33 am -
1 stop5h 49m
Deal found 9/22![Delta logo]()
$308
This SmartFares deal was found by Cheapflights users on 9/23. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:57 pm -
Nonstop1h 52m
Sun 10/2510:30 am -
Nonstop1h 51m
Deal found 9/23![Alaska Airlines logo]()
$225
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 September 23, 2026.
Search for one-way flight options from Idaho Falls to Portland. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/23. 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 10/316:09 am -
1 stop4h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Alaska Airlines logo]()
$134
This Delta deal was found by Cheapflights users on 9/23. 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 10/306:00 am -
1 stop3h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Delta logo]()
$139
This Alaska Airlines deal was found by Cheapflights users on 9/18. 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.
Tue 11/173:55 pm -
Nonstop1h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Alaska Airlines logo]()
$149
This Delta deal was found by Cheapflights users on 9/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:57 pm -
1 stop5h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Delta logo]()
$154
This Alaska Airlines deal was found by Cheapflights users on 9/18. 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.
Sun 11/223:46 pm -
Nonstop1h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Alaska Airlines logo]()
$159
This Delta deal was found by Cheapflights users on 9/19. 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 11/236:57 pm -
1 stop5h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Delta logo]()
$175
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 11/161:53 pm -
2 stops7h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Alaska Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 11/167:47 pm -
3 stops16h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$226
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 11/213:46 pm -
Nonstop1h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Alaska Airlines logo]()
$229
This Delta deal was found by Cheapflights users on 9/20. 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 11/211:11 pm -
1 stop4h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Delta logo]()
$239
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 September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $225 (SmartFares) |
One-way from | $134 (Alaska Airlines) |
Popular in | April |
Cheapest in | June |
Average price | $297 |
Good round-trip deal | $257 or less |
Good one-way deal | $168 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 7,457,451 searches. Data last updated September 23, 2026.
Use the filters below to find and compare flights from Idaho Falls to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PDX Portland
IDAPDX
Idaho Falls Fanning Field
Sat 10/31
6:00 am-11:49 am
2 stops6h 49m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$139
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PDX Portland
IDAPDX
Idaho Falls Fanning Field
Fri 10/30
1:05 pm-9:56 pm
2 stops9h 51m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$144
Quickest round-trip
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PDX Portland
IDAPDX
Idaho Falls Fanning Field
Wed 11/18
3:55 pm-4:48 pm
Nonstop1h 53m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$149
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PDX Portland
IDAPDX
Idaho Falls Fanning Field
Tue 11/17
3:55 pm-4:48 pm
Nonstop1h 53m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$149
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PDX Portland
IDAPDX
Idaho Falls Fanning Field
Wed 11/18
6:57 pm-11:51 pm
1 stop5h 54m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$154
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PDX Portland
IDAPDX
Idaho Falls Fanning Field
Tue 11/17
6:00 am-12:18 pm
1 stop7h 18m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$154
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PDX Portland
IDAPDX
Idaho Falls Fanning Field
Sun 11/22
6:57 pm-11:51 pm
1 stop5h 54m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$154
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PDX Portland
IDAPDX
Idaho Falls Fanning Field
Mon 11/23
6:57 pm-11:51 pm
1 stop5h 54m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$154
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PDX Portland
IDAPDX
Idaho Falls Fanning Field
Sun 11/22
3:46 pm-4:40 pm
Nonstop1h 54m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$159
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PDX Portland
IDAPDX
Idaho Falls Fanning Field
Mon 12/14
3:44 pm-4:48 pm
Nonstop2h 04m
Portland
Mon 12/21
10:30 am-1:15 pm
Nonstop1h 45m
$327
Showing 1-10 of 19 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | 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
Prices
Airlines
How far ahead should I book a flight from Idaho Falls to Portland?
The best time to book flights from Idaho Falls to Portland is 53 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, June is the cheapest month in which you can book a flight from Idaho Falls to Portland (average of $119). Flying from Idaho Falls to Portland in April is currently the most expensive (average of $566). 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 PDX?
Find hourly flight availability from Idaho Falls to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 23, 2026.
When flying from Idaho Falls to Portland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 September 23, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andAllegiant Air 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.
Comfort
7.8
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
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 locationsBeaverton
Seaside
Lincoln City
Durham
Longview
Lake Oswego
Cannon Beach
Vancouver
Kelso
Troutdale
Clackamas
McMinnville
The Dalles
Wilsonville
Stevenson
Tillamook
Hillsboro
Astoria
Gresham
Silverton
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Alternative routes for Idaho Falls to Portland
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Complete your trip
Complete your trip to Portland by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Idaho Falls to Portland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho Falls and Portland flights
Browse other Idaho Falls and Portland flight options. Last updated on September 23, 2026.
Other flights from Idaho Falls
Browse through other flights departing from Idaho Falls. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Other flights to Portland
Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.
Top 3 airlines flying from Idaho Falls to Portland
Discover the top 3 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 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$82 | Average$118 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$156 | Average$496 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$176 | Average$388 | FlexibilityNo cancel fee | On-time75% |