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Cheap flights from Oregon to Idaho Falls from $74

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Idaho Falls departing on 8/17. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Oregon to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
10:30 am - 1:24 pm
PDX
-
IDA
1h 54mnonstop
Alaska Airlines Logo
3:57 pm - 4:50 pm
IDA
-
PDX
1h 53mnonstop
$247Alaska Airlines
Sat, Sep 5 - Sun, Sep 6
Alaska Airlines Logo
10:30 am - 1:24 pm
PDX
-
IDA
1h 54mnonstop
Alaska Airlines Logo
6:18 am - 9:33 am
IDA
-
PDX
4h 15m
1 stop
$257Alaska Airlines
Sat, Sep 5 - Sun, Sep 6
Delta Logo
1:20 pm - 6:17 pm
PDX
-
IDA
3h 57m
1 stop
Delta Logo
6:57 pm - 11:40 pm
IDA
-
PDX
5h 43m
1 stop
$267Delta
Thu, Sep 24 - Tue, Sep 29
Delta Logo
5:10 pm - 10:22 pm
PDX
-
IDA
4h 12m
1 stop
Delta Logo
6:00 am - 8:41 am
IDA
-
PDX
3h 41m
1 stop
$277Delta
Fri, Sep 11 - Mon, Sep 14
Alaska Airlines Logo
10:30 am - 1:24 pm
PDX
-
IDA
1h 54mnonstop
Alaska Airlines Logo
3:57 pm - 4:50 pm
IDA
-
PDX
1h 53mnonstop
$281Alaska Airlines
Thu, Aug 20 - Wed, Aug 26
Multiple Airlines Logo
10:30 am - 1:06 pm
PDX
-
IDA
1h 36mnonstop
Multiple Airlines Logo
3:55 pm - 4:36 pm
IDA
-
PDX
1h 41mnonstop
$286Multiple Airlines
Fri, Aug 7 - Fri, Aug 7
Delta Logo
5:10 pm - 10:22 pm
PDX
-
IDA
4h 12m
1 stop
Delta Logo
6:00 am - 8:41 am
IDA
-
PDX
3h 41m
1 stop
$287Delta
Fri, Sep 18 - Sun, Sep 20
Alaska Airlines Logo
10:30 am - 1:24 pm
PDX
-
IDA
1h 54mnonstop
Alaska Airlines Logo
3:57 pm - 4:50 pm
IDA
-
PDX
1h 53mnonstop
$292Alaska Airlines
Fri, Aug 28 - Mon, Aug 31
Alaska Airlines Logo
10:30 am - 1:24 pm
PDX
-
IDA
1h 54mnonstop
Alaska Airlines Logo
3:57 pm - 4:50 pm
IDA
-
PDX
1h 53mnonstop
$297Alaska Airlines
Fri, Sep 11 - Mon, Sep 14
Delta Logo
5:45 am - 10:50 am
PDX
-
IDA
4h 05m
1 stop
Delta Logo
6:00 am - 8:37 am
IDA
-
PDX
3h 37m
1 stop
$306Delta
Thu, Aug 20 - Wed, Aug 26

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Alaska Airlines flights from Oregon to Idaho Falls

Our best Alaska Airlines deals on Oregon to Idaho Falls flight tickets
Alaska Airlines
Aug 25
PDX10:30 amPortland
1h 54m
IDA1:24 pmIdaho Falls Fanning Field
Sep 1
IDA3:57 pmIdaho Falls Fanning Field
1h 53m
PDX4:50 pmPortland
$237
Alaska Airlines
Sep 5
PDX10:30 amPortland
1h 54m
IDA1:24 pmIdaho Falls Fanning Field
Sep 6
IDA3:57 pmIdaho Falls Fanning Field
1h 53m
PDX4:50 pmPortland
$247
Alaska Airlines
Sep 5
PDX10:30 amPortland
1h 54m
IDA1:24 pmIdaho Falls Fanning Field
Sep 6
IDA6:18 amIdaho Falls Fanning Field
4h 15m
1 stop
PDX9:33 amPortland
$257

United Airlines flights from Oregon to Idaho Falls

Our best United Airlines deals on Oregon to Idaho Falls flight tickets
United Airlines
Aug 9
EUG5:00 amEugene
7h 25m
1 stop
IDA1:25 pmIdaho Falls Fanning Field
Aug 13
IDA4:04 pmIdaho Falls Fanning Field
6h 13m
1 stop
EUG9:17 pmEugene
$440
United Airlines
Aug 6
MFR5:00 amMedford
7h 25m
1 stop
IDA1:25 pmIdaho Falls Fanning Field
Aug 7
IDA2:30 pmIdaho Falls Fanning Field
7h 46m
1 stop
MFR9:16 pmMedford
$674

momondo Fare Finder

 
Customize your flight search to find flights from Oregon to Idaho Falls 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 July 26, 2026.
Use the filters below to find and compare flights from Oregon to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Sat 9/5

10:30 am-1:24 pm

Nonstop1h 54m

Idaho Falls Fanning Field

Sun 9/6

3:57 pm-4:50 pm

Nonstop1h 53m

$247

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Sat 9/5

10:30 am-1:24 pm

Nonstop1h 54m

Idaho Falls Fanning Field

Sun 9/6

6:18 am-9:33 am

1 stop4h 15m

$257

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Thu 9/24

1:20 pm-6:17 pm

1 stop3h 57m

Idaho Falls Fanning Field

Tue 9/29

6:57 pm-11:40 pm

1 stop5h 43m

$267

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Fri 9/11

5:10 pm-10:22 pm

1 stop4h 12m

Idaho Falls Fanning Field

Mon 9/14

6:00 am-8:41 am

1 stop3h 41m

$277

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Thu 8/20

10:30 am-1:24 pm

Nonstop1h 54m

Idaho Falls Fanning Field

Wed 8/26

3:57 pm-4:50 pm

Nonstop1h 53m

$281
Quickest round-trip

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Fri 8/7

10:30 am-1:06 pm

Nonstop1h 36m

Idaho Falls Fanning Field

Fri 8/7

3:55 pm-4:36 pm

Nonstop1h 41m

$286

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Fri 9/18

5:10 pm-10:22 pm

1 stop4h 12m

Idaho Falls Fanning Field

Sun 9/20

6:00 am-8:41 am

1 stop3h 41m

$287

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Fri 8/28

10:30 am-1:24 pm

Nonstop1h 54m

Idaho Falls Fanning Field

Mon 8/31

3:57 pm-4:50 pm

Nonstop1h 53m

$292

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Fri 9/11

10:30 am-1:24 pm

Nonstop1h 54m

Idaho Falls Fanning Field

Mon 9/14

3:57 pm-4:50 pm

Nonstop1h 53m

$297

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Thu 8/20

5:45 am-10:50 am

1 stop4h 05m

Idaho Falls Fanning Field

Wed 8/26

6:00 am-8:37 am

1 stop3h 37m

$306

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 Idaho Falls from

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

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 Idaho Falls?

If you aren’t able to travel to Idaho Falls during the month of July, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $150.

What is the cheapest day to depart on your flight to Idaho Falls?

Our data shows that Friday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $107. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Sunday is $317.

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

Our most recent data shows that the best time of day to fly to Idaho Falls is in the afternoon. Flights from Oregon to Idaho Falls during this time can be as low as $95. Try not to purchase tickets at noon because they tend to be around $238. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

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

There is only 1 cabin class available to choose from on Oregon to Idaho Falls 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 Oregon to Idaho Falls flights?

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

Cheap Oregon to Idaho Falls flight deals and tips

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

Best Price Found

$93

Fastest flight time

1h 36m

Direct flights

Every day

Airports in Idaho Falls

1 airport
The best one-way flight to Idaho Falls from Oregon in the past 72 hours is $93. The best round-trip flight deal from Oregon to Idaho Falls found on momondo in the last 72 hours is $237.
The fastest flight from Oregon to Idaho Falls takes 1h 36m
Direct flights go from Oregon to Idaho Falls every day.
There is 1 airport in Idaho Falls. From Oregon there are direct flights to Idaho Falls Fanning Field (IDA).
Search flight deals

Frequently asked questions about flying from Oregon to Idaho Falls

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

    Prices for flights from Oregon to Idaho Falls Fanning Field Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oregon to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The necessary travel and health documents for your Idaho Falls Fanning Field Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Oregon to Idaho Falls

Compare and see reviews for airlines that fly from Oregon to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $68Free CancellationRating
7.3
682 reviews
Search Allegiant Air flights
DeltaPriceFrom $168Free CancellationRating
7.8
8,489 reviews
Search Delta flights
Alaska AirlinesPriceFrom $193Free CancellationRating
7.9
12,718 reviews
Search Alaska Airlines flights

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Idaho Falls from Oregon.

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

All flight searches from Oregon to Idaho Falls on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Oregon to Idaho Falls.

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

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

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