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Cheap flights from Idaho Falls to Oregon from $115

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 9/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Idaho Falls to Oregon

Cheap round-trip flights

Allegiant Air Logo
5:22 pm - 6:07 pmIDA-PDX
1h 45mnonstop
Allegiant Air Logo
1:54 pm - 4:32 pmPDX-IDA
1h 38mnonstop
$203Allegiant Air
Find Deal
Fri, Nov 21 - Mon, Nov 24
Delta Logo
6:53 pm - 11:57 pmIDA-PDX
6h 04m2 stops
Delta Logo
11:10 am - 6:13 pmPDX-IDA
6h 03m2 stops
$238Delta
Find Deal
Mon, Oct 27 - Mon, Nov 3
Alaska Airlines Logo
4:15 pm - 12:18 amIDA-PDX
9h 03m1 stop
Alaska Airlines Logo
2:30 pm - 10:38 pmPDX-IDA
7h 08m1 stop
$302Alaska Airlines
Find Deal
Tue, Oct 21 - Sat, Oct 25
Allegiant Air Logo
1:27 pm - 2:12 pmIDA-PDX
1h 45mnonstop
Allegiant Air Logo
9:59 am - 12:37 pmPDX-IDA
1h 38mnonstop
$316Allegiant Air
Find Deal
Wed, Nov 26 - Sat, Nov 29
Alaska Airlines Logo
3:50 pm - 1:55 pmIDA-MFR
23h 05m1 stop
Alaska Airlines Logo
5:50 am - 3:13 pmMFR-IDA
8h 23m1 stop
$322Alaska Airlines
Find Deal
Tue, Nov 4 - Tue, Nov 11
Delta Logo
1:15 pm - 8:51 pmIDA-PDX
8h 36m2 stops
Delta Logo
5:30 am - 12:33 pmPDX-IDA
6h 03m2 stops
$334Delta
Find Deal
Wed, Oct 29 - Wed, Nov 5
Hawaiian Airlines Logo
6:05 am - 11:30 amIDA-MFR
6h 25m1 stop
Hawaiian Airlines Logo
4:10 pm - 11:59 pmMFR-IDA
6h 49m1 stop
$336Hawaiian Airlines
Find Deal
Mon, Nov 3 - Wed, Nov 12
Hawaiian Airlines Logo
3:50 pm - 8:37 pmIDA-PDX
5h 47m1 stop
Hawaiian Airlines Logo
7:30 am - 3:13 pmPDX-IDA
6h 43m1 stop
$339Hawaiian Airlines
Find Deal
Wed, Oct 29 - Wed, Nov 5
United Airlines Logo
7:00 am - 1:07 pmIDA-MFR
7h 07m1 stop
United Airlines Logo
5:00 am - 1:33 pmMFR-IDA
7h 33m1 stop
$471United Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 5
United Airlines Logo
2:35 pm - 12:07 pmIDA-MFR
22h 32m2 stops
United Airlines Logo
5:00 am - 1:33 pmMFR-IDA
7h 33m1 stop
$529United Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 5

Delta flights from Idaho Falls to Oregon

Our best Delta deals on Idaho Falls to Oregon flight tickets
Delta
Oct 27
IDA6:53 pmIdaho Falls Fanning Field
6h 04m
2 stops
PDX11:57 pmPortland
Nov 3
PDX11:10 amPortland
6h 03m
2 stops
IDA6:13 pmIdaho Falls Fanning Field
$238
Find similar
Delta
Oct 29
IDA1:15 pmIdaho Falls Fanning Field
8h 36m
2 stops
PDX8:51 pmPortland
Nov 5
PDX5:30 amPortland
6h 03m
2 stops
IDA12:33 pmIdaho Falls Fanning Field
$334
Find similar
Delta
Oct 29
IDA1:15 pmIdaho Falls Fanning Field
8h 36m
2 stops
PDX8:51 pmPortland
Nov 5
PDX5:30 amPortland
6h 03m
2 stops
IDA12:33 pmIdaho Falls Fanning Field
$354
Find similar

Alaska Airlines flights from Idaho Falls to Oregon

Our best Alaska Airlines deals on Idaho Falls to Oregon flight tickets
Alaska Airlines
Oct 21
IDA4:15 pmIdaho Falls Fanning Field
9h 03m
1 stop
PDX12:18 amPortland
Oct 25
PDX2:30 pmPortland
7h 08m
1 stop
IDA10:38 pmIdaho Falls Fanning Field
$302
Find similar
Alaska Airlines
Oct 14
IDA6:00 amIdaho Falls Fanning Field
5h 53m
1 stop
PDX10:53 amPortland
Oct 22
PDX1:25 pmPortland
8h 13m
1 stop
IDA10:38 pmIdaho Falls Fanning Field
$322
Find similar
Alaska Airlines
Oct 15
IDA4:15 pmIdaho Falls Fanning Field
9h 03m
1 stop
PDX12:18 amPortland
Oct 22
PDX1:25 pmPortland
8h 13m
1 stop
IDA10:38 pmIdaho Falls Fanning Field
$323
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 September 19, 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 11/21

5:22 pm-6:07 pm

Nonstop1h 45m

Portland

Mon 11/24

1:54 pm-4:32 pm

Nonstop1h 38m

$203

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Mon 10/27

6:53 pm-11:57 pm

2 stops6h 04m

Portland

Mon 11/3

11:10 am-6:13 pm

2 stops6h 03m

$238

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Tue 10/21

4:15 pm-12:18 am

1 stop9h 03m

Portland

Sat 10/25

2:30 pm-10:38 pm

1 stop7h 08m

$302

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Wed 11/26

1:27 pm-2:12 pm

Nonstop1h 45m

Portland

Sat 11/29

9:59 am-12:37 pm

Nonstop1h 38m

$316

Idaho FallsMedford

IDA - MFR

IDAMFR

Idaho Falls Fanning Field

Tue 11/4

3:50 pm-1:55 pm

1 stop23h 05m

Medford

Tue 11/11

5:50 am-3:13 pm

1 stop8h 23m

$322

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Wed 10/29

1:15 pm-8:51 pm

2 stops8h 36m

Portland

Wed 11/5

5:30 am-12:33 pm

2 stops6h 03m

$334

Idaho FallsMedford

IDA - MFR

IDAMFR

Idaho Falls Fanning Field

Mon 11/3

6:05 am-11:30 am

1 stop6h 25m

Medford

Wed 11/12

4:10 pm-11:59 pm

1 stop6h 49m

$336

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Wed 10/29

3:50 pm-8:37 pm

1 stop5h 47m

Portland

Wed 11/5

7:30 am-3:13 pm

1 stop6h 43m

$339

Idaho FallsMedford

IDA - MFR

IDAMFR

Idaho Falls Fanning Field

Wed 10/1

7:00 am-1:07 pm

1 stop7h 07m

Medford

Sun 10/5

5:00 am-1:33 pm

1 stop7h 33m

$471

Idaho FallsMedford

IDA - MFR

IDAMFR

Idaho Falls Fanning Field

Wed 10/1

2:35 pm-12:07 pm

2 stops22h 32m

Medford

Sun 10/5

5:00 am-1:33 pm

1 stop7h 33m

$529

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 $96.

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 $105. 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 at noon. momondo users have found flights departing from Idaho Falls to Oregon at noon for as low as $108. 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 $207 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 $98 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

Fastest flight time

1h 45m

Direct flights

Thu and Sat

Airports in Oregon

1 airport
The fastest flight from Idaho Falls to Oregon takes 1h 45m
Direct flights go from Idaho Falls to Oregon on Thursday and Saturday. There are no airlines offering direct flights.
There is 1 airport near Oregon: 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 $51Free CancellationRating
7.2
699 reviews
Search Allegiant Air flights
Hawaiian AirlinesPriceFrom $162Free CancellationRating
7.8
2,732 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $232Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $296Free CancellationRating
7.9
7,964 reviews
Search Delta 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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