
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 November 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $247 (Alaska Airlines) |
One-way from | $134 (Alaska Airlines) |
Popular in | April |
Cheapest in | June |
Average price | $337 |
Good round-trip deal | $341 or less |
Good one-way deal | $263 or less |
Fly from
Fly to
Route
Depart
Return
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PDX Portland
IDAPDX
Idaho Falls Fanning Field
Tue 12/8
5:35 am-1:35 pm
2 stops9h 00m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PDX Portland
IDAPDX
Idaho Falls Fanning Field
Mon 12/7
1:54 pm-7:53 pm
1 stop6h 59m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PDX Portland
IDAPDX
Idaho Falls Fanning Field
Sun 12/6
5:35 am-9:02 am
1 stop4h 27m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PDX Portland
IDAPDX
Idaho Falls Fanning Field
Tue 12/8
3:44 pm-4:48 pm
Nonstop2h 04m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PDX Portland
IDAPDX
Idaho Falls Fanning Field
Mon 12/7
6:59 pm-8:33 am
2 stops14h 34m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PDX Portland
IDAPDX
Idaho Falls Fanning Field
Mon 3/1
6:59 pm-11:51 pm
1 stop5h 52m
Portland
Sat 3/6
5:12 pm-10:22 pm
1 stop4h 10m
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PDX Portland
IDAPDX
Idaho Falls Fanning Field
Fri 12/4
6:59 pm-11:59 pm
1 stop6h 00m
Portland
Sun 12/6
7:00 am-6:17 pm
2 stops10h 17m
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PDX Portland
IDAPDX
Idaho Falls Fanning Field
Wed 12/16
3:44 pm-4:48 pm
Nonstop2h 04m
Portland
Tue 1/5
2:00 pm-3:21 pm
1 stop24h 21m
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PDX Portland
IDAPDX
Idaho Falls Fanning Field
Fri 12/25
3:55 pm-4:55 pm
Nonstop2h 00m
Portland
Tue 12/29
1:52 pm-11:45 pm
1 stop8h 53m
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PDX Portland
IDAPDX
Idaho Falls Fanning Field
Wed 12/23
6:00 am-5:16 pm
1 stop12h 16m
Portland
Thu 12/31
10:30 am-1:15 pm
Nonstop1h 45m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
Everything you need to know about your flight from Idaho Falls to Portland
Boarding
Comfort
Crew
Food
Entertainment
Overall
Reviews
Franzi,Mar 2026
SFO - PDX
Boarding
Comfort
Crew
Food
Entertainment
Overall
Reviews
Franzi,Mar 2026
SFO - PDX
Boarding
Comfort
Crew
Food
Entertainment
Overall
Reviews
Franzi,Mar 2026
SFO - PDX
Boarding
Comfort
Crew
Food
Entertainment
Overall
Reviews
Franzi,Mar 2026
SFO - PDX
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.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$82 | Average$119 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$156 | Average$496 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$188 | Average$374 | FlexibilityNo cancel fee | On-time75% |