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Cheap flights from Idaho Falls to Oregon from $49

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Oregon departing on 1/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Idaho Falls to Oregon

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
1:26 pm - 2:11 pm
IDA
-
PDX
1h 45mnonstop
Allegiant Air Logo
10:01 am - 12:36 pm
PDX
-
IDA
1h 35mnonstop
$184Allegiant Air
Fri, Jan 2 - Mon, Jan 5
Alaska Airlines Logo
6:58 pm - 8:47 pm
IDA
-
PDX
26h 49m1 stop
Alaska Airlines Logo
5:35 pm - 6:18 pm
PDX
-
IDA
23h 43m1 stop
$264Alaska Airlines
Wed, Jan 14 - Mon, Jan 19
Delta Logo
1:15 pm - 10:07 am
IDA
-
PDX
21h 52m2 stops
Delta Logo
7:37 pm - 10:57 pm
PDX
-
IDA
26h 20m2 stops
$266Delta
Wed, Jan 14 - Mon, Jan 19
Delta Logo
5:25 am - 9:03 am
IDA
-
PDX
4h 38m1 stop
Delta Logo
5:15 pm - 10:57 pm
PDX
-
IDA
28h 42m2 stops
$271Delta
Wed, Jan 14 - Mon, Jan 19
Alaska Airlines Logo
6:58 pm - 9:23 am
IDA
-
PDX
15h 25m1 stop
Alaska Airlines Logo
9:30 pm - 6:18 pm
PDX
-
IDA
19h 48m1 stop
$274Alaska Airlines
Fri, Jan 9 - Mon, Jan 12
Delta Logo
6:35 pm - 11:55 pm
IDA
-
PDX
6h 20m1 stop
Delta Logo
5:50 am - 12:34 pm
PDX
-
IDA
5h 44m1 stop
$277Delta
Fri, Feb 6 - Mon, Feb 9
Multiple Airlines Logo
1:26 pm - 2:11 pm
IDA
-
PDX
1h 45mnonstop
Multiple Airlines Logo
7:28 pm - 12:07 am
PDX
-
IDA
3h 39m1 stop
$280Multiple Airlines
Mon, Jan 5 - Tue, Jan 6
Delta Logo
1:15 pm - 6:50 pm
IDA
-
PDX
6h 35m2 stops
Delta Logo
1:30 pm - 10:57 pm
PDX
-
IDA
8h 27m2 stops
$286Delta
Fri, Feb 6 - Mon, Feb 9
Alaska Airlines Logo
6:58 pm - 5:02 pm
IDA
-
MFR
23h 04m1 stop
Alaska Airlines Logo
1:22 pm - 10:59 pm
MFR
-
IDA
8h 37m1 stop
$295Alaska Airlines
Wed, Jan 28 - Sun, Feb 1
Delta Logo
6:25 pm - 11:53 pm
IDA
-
PDX
6h 28m1 stop
Delta Logo
5:00 pm - 10:21 pm
PDX
-
IDA
4h 21m1 stop
$298Delta
Wed, Feb 18 - Mon, Feb 23

Alaska Airlines flights from Idaho Falls to Oregon

Our best Alaska Airlines deals on Idaho Falls to Oregon flight tickets
Alaska Airlines
Jan 14
IDA6:58 pmIdaho Falls Fanning Field
26h 49m
1 stop
PDX8:47 pmPortland
Jan 19
PDX5:35 pmPortland
23h 43m
1 stop
IDA6:18 pmIdaho Falls Fanning Field
$264
Find similar
Alaska Airlines
Jan 9
IDA6:58 pmIdaho Falls Fanning Field
15h 25m
1 stop
PDX9:23 amPortland
Jan 12
PDX9:30 pmPortland
19h 48m
1 stop
IDA6:18 pmIdaho Falls Fanning Field
$274
Find similar
Alaska Airlines
Jan 28
IDA6:58 pmIdaho Falls Fanning Field
23h 04m
1 stop
MFR5:02 pmMedford
Feb 1
MFR1:22 pmMedford
8h 37m
1 stop
IDA10:59 pmIdaho Falls Fanning Field
$295
Find similar

Allegiant Air flights from Idaho Falls to Oregon

Our best Allegiant Air deals on Idaho Falls to Oregon flight tickets
Allegiant Air
Jan 2
IDA1:26 pmIdaho Falls Fanning Field
1h 45m
PDX2:11 pmPortland
Jan 5
PDX10:01 amPortland
1h 35m
IDA12:36 pmIdaho Falls Fanning Field
$184
Find similar
Allegiant Air
Dec 19
IDA4:26 pmIdaho Falls Fanning Field
1h 45m
PDX5:11 pmPortland
Dec 22
PDX1:01 pmPortland
1h 35m
IDA3:36 pmIdaho Falls Fanning Field
$258
Find similar
Allegiant Air
Dec 19
IDA4:26 pmIdaho Falls Fanning Field
1h 45m
PDX5:11 pmPortland
Dec 29
PDX10:01 amPortland
1h 35m
IDA12:36 pmIdaho Falls Fanning Field
$291
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 15, 2025.
Use the filters below to find and compare flights from Idaho Falls to Oregon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Fri 1/2

1:26 pm-2:11 pm

Nonstop1h 45m

Portland

Mon 1/5

10:01 am-12:36 pm

Nonstop1h 35m

$184

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Wed 1/14

6:58 pm-8:47 pm

1 stop26h 49m

Portland

Mon 1/19

5:35 pm-6:18 pm

1 stop23h 43m

$264

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Wed 1/14

1:15 pm-10:07 am

2 stops21h 52m

Portland

Mon 1/19

7:37 pm-10:57 pm

2 stops26h 20m

$266

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Wed 1/14

5:25 am-9:03 am

1 stop4h 38m

Portland

Mon 1/19

5:15 pm-10:57 pm

2 stops28h 42m

$271

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Fri 1/9

6:58 pm-9:23 am

1 stop15h 25m

Portland

Mon 1/12

9:30 pm-6:18 pm

1 stop19h 48m

$274

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Fri 2/6

6:35 pm-11:55 pm

1 stop6h 20m

Portland

Mon 2/9

5:50 am-12:34 pm

1 stop5h 44m

$277

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Mon 1/5

1:26 pm-2:11 pm

Nonstop1h 45m

Portland

Tue 1/6

7:28 pm-12:07 am

1 stop3h 39m

$280

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Fri 2/6

1:15 pm-6:50 pm

2 stops6h 35m

Portland

Mon 2/9

1:30 pm-10:57 pm

2 stops8h 27m

$286

Idaho FallsMedford

IDA - MFR

IDAMFR

Idaho Falls Fanning Field

Wed 1/28

6:58 pm-5:02 pm

1 stop23h 04m

Medford

Sun 2/1

1:22 pm-10:59 pm

1 stop8h 37m

$295

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Wed 2/18

6:25 pm-11:53 pm

1 stop6h 28m

Portland

Mon 2/23

5:00 pm-10:21 pm

1 stop4h 21m

$298

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Oregon from

How to get the cheapest flight ticket from Idaho Falls to Oregon

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Oregon?

The month of April is, on average, the cheapest month to fly to Oregon from Idaho Falls, with most prices found around $90. The month of May is another great option to travel to Oregon, with average flight prices from Idaho Falls averaging around $97.

What is the cheapest day to depart on your flight to Oregon?

On average, the least expensive day to fly to Oregon from Idaho Falls is on a Monday. momondo users have found tickets for Monday departures for as low as $109. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Oregon is Saturday, with ticket prices averaging around $412.

What is the cheapest time of day to depart on your flight to Oregon?

According to our data, the cheapest time of day to fly to Oregon is in the afternoon. momondo users have found flights departing from Idaho Falls to Oregon in the afternoon for as low as $109. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Oregon are more costly in the morning, with an average ticket price of $510. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Idaho Falls Fanning Field to Oregon flight route?

Fly from Idaho Falls Fanning Field to Portland for the best Idaho Falls Fanning Field - Oregon flight prices

How far in advance should I book a flight to Oregon?

You are more likely to see cheaper flights to Oregon from Idaho Falls when booking weeks ahead of your departure date. In general, you can expect to find flights to Oregon for around $220 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oregon from Idaho Falls for as low as $105 on momondo.

What cabin class options are available on Idaho Falls Fanning Field to Oregon flights?

There is only 1 cabin class available to choose from on Idaho Falls Fanning Field to Oregon flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Idaho Falls to Oregon flights?

No. A direct flight is the cheapest option for a flight between Idaho Falls to Oregon.

Cheap Idaho Falls to Oregon flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to Oregon

Best Price Found

$68

Fastest flight time

1h 45m

Direct flights

Tue and Sat

Airports in Oregon

64 airports
The best one-way flight to Oregon from Idaho Falls in the past 72 hours is $68. The best round-trip flight deal from Idaho Falls to Oregon found on momondo in the last 72 hours is $110.
The fastest flight from Idaho Falls to Oregon takes 1h 45m
Direct flights go from Idaho Falls to Oregon on Tuesday and Saturday. The only airline offering direct flights is Allegiant Air.
There are 64 airports in Oregon. From Idaho Falls there are direct flights to Portland (PDX).
Search flight deals

  • When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Oregon?

    Prices for flights from Idaho Falls Fanning Field Airport to Oregon are refreshed on a daily basis.

  • How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to Oregon?

  • How old do you have to be to fly from Idaho Falls Fanning Field Airport to Oregon?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Oregon.

  • What documentation or ID do you need to fly to Oregon?

    The travel and health documents you'll need for your trip to Oregon may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Oregon. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Idaho Falls to Oregon?

Best airlines flying from Idaho Falls to Oregon

Compare and see reviews for airlines that fly from Idaho Falls to Oregon with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $64Free CancellationRating
7.2
700 reviews
Search Allegiant Air flights
Hawaiian AirlinesPriceFrom $162Free CancellationRating
7.8
2,819 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $199Free CancellationRating
7.9
8,010 reviews
Search Delta flights
Alaska AirlinesPriceFrom $232Free CancellationRating
8.0
11,455 reviews
Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Idaho Falls to Oregon?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Idaho Falls to Oregon for you.

Can I find flights from Idaho Falls to Oregon with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Idaho Falls to Oregon flights to just show those with flexible booking policies.

How can momondo help me find flights from Idaho Falls to Oregon?

Once all potential Idaho Falls to Oregon flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Idaho Falls to Oregon right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Oregon, momondo offers a useful price alert feature which will track prices for flights to Oregon from Idaho Falls and alert you when they change.

An easier way to manage your Oregon trip

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