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Cheap flights from Oregon to Idaho Falls from $47

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 6/8. 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

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.
Allegiant Air Logo
3:10 pm - 5:49 pm
PDX
-
IDA
1h 39mnonstop
Allegiant Air Logo
6:39 pm - 7:20 pm
IDA
-
PDX
1h 41mnonstop
$84Allegiant Air
Fri, May 29 - Mon, Jun 1
Allegiant Air Logo
3:10 pm - 5:49 pm
PDX
-
IDA
1h 39mnonstop
Allegiant Air Logo
6:39 pm - 7:20 pm
IDA
-
PDX
1h 41mnonstop
$88Allegiant Air
Fri, May 29 - Mon, Jun 1
Allegiant Air Logo
3:10 pm - 5:49 pm
PDX
-
IDA
1h 39mnonstop
Allegiant Air Logo
6:39 pm - 7:20 pm
IDA
-
PDX
1h 41mnonstop
$89Allegiant Air
Fri, May 29 - Mon, Jun 1
Allegiant Air Logo
12:20 pm - 3:00 pm
PDX
-
IDA
1h 40mnonstop
Allegiant Air Logo
3:50 pm - 4:26 pm
IDA
-
PDX
1h 36mnonstop
$92Allegiant Air
Fri, Jul 17 - Mon, Jul 20
Allegiant Air Logo
3:09 pm - 5:49 pm
PDX
-
IDA
1h 40mnonstop
Allegiant Air Logo
6:39 pm - 7:18 pm
IDA
-
PDX
1h 39mnonstop
$104Allegiant Air
Fri, Jun 19 - Mon, Jun 29
Delta Logo
5:10 am - 10:47 am
EUG
-
IDA
4h 37m
1 stop
Delta Logo
6:00 am - 11:46 am
IDA
-
EUG
6h 46m
1 stop
$301Delta
Wed, May 20 - Mon, May 25
Delta Logo
5:10 am - 10:47 am
EUG
-
IDA
4h 37m
1 stop
Delta Logo
6:54 pm - 10:31 pm
IDA
-
EUG
4h 37m
1 stop
$349Delta
Wed, May 13 - Sat, May 16
Alaska Airlines Logo
4:08 pm - 10:53 pm
EUG
-
IDA
5h 45m
1 stop
Alaska Airlines Logo
6:00 am - 9:41 am
IDA
-
EUG
4h 41m
1 stop
$367Alaska Airlines
Sun, May 24 - Fri, May 29
Multiple Airlines Logo
12:49 pm - 5:49 pm
EUG
-
IDA
4h 00m
1 stop
Multiple Airlines Logo
6:39 pm - 10:50 pm
IDA
-
EUG
5h 11m
1 stop
$377Multiple Airlines
Fri, May 22 - Fri, May 29
Alaska Airlines Logo
4:08 pm - 10:53 pm
EUG
-
IDA
5h 45m
1 stop
Alaska Airlines Logo
1:54 pm - 7:10 pm
IDA
-
EUG
6h 16m
1 stop
$381Alaska Airlines
Fri, May 15 - Tue, May 19

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United Airlines flights from Oregon to Idaho Falls

Our best United Airlines deals on Oregon to Idaho Falls flight tickets
United Airlines
May 6
EUG5:00 amEugene
7h 25m
1 stop
IDA1:25 pmIdaho Falls Fanning Field
May 11
IDA2:31 pmIdaho Falls Fanning Field
7h 32m
1 stop
EUG9:03 pmEugene
$483
United Airlines
Apr 28
EUG5:00 amEugene
7h 32m
1 stop
IDA1:32 pmIdaho Falls Fanning Field
Apr 30
IDA2:31 pmIdaho Falls Fanning Field
7h 32m
1 stop
EUG9:03 pmEugene
$705

Delta flights from Oregon to Idaho Falls

Our best Delta deals on Oregon to Idaho Falls flight tickets
Delta
May 20
EUG5:10 amEugene
4h 37m
1 stop
IDA10:47 amIdaho Falls Fanning Field
May 25
IDA6:00 amIdaho Falls Fanning Field
6h 46m
1 stop
EUG11:46 amEugene
$301
Delta
May 13
EUG5:10 amEugene
4h 37m
1 stop
IDA10:47 amIdaho Falls Fanning Field
May 16
IDA6:54 pmIdaho Falls Fanning Field
4h 37m
1 stop
EUG10:31 pmEugene
$349
Delta
May 13
EUG5:10 amEugene
4h 37m
1 stop
IDA10:47 amIdaho Falls Fanning Field
May 16
IDA6:54 pmIdaho Falls Fanning Field
5h 56m
2 stops
EUG11:50 pmEugene
$369

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 April 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

Fri 5/29

3:10 pm-5:49 pm

Nonstop1h 39m

Idaho Falls Fanning Field

Mon 6/1

6:39 pm-7:20 pm

Nonstop1h 41m

$84

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Fri 5/29

3:10 pm-5:49 pm

Nonstop1h 39m

Idaho Falls Fanning Field

Mon 6/1

6:39 pm-7:20 pm

Nonstop1h 41m

$88

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Fri 5/29

3:10 pm-5:49 pm

Nonstop1h 39m

Idaho Falls Fanning Field

Mon 6/1

6:39 pm-7:20 pm

Nonstop1h 41m

$89
Quickest round-trip

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Fri 7/17

12:20 pm-3:00 pm

Nonstop1h 40m

Idaho Falls Fanning Field

Mon 7/20

3:50 pm-4:26 pm

Nonstop1h 36m

$92

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Fri 6/19

3:09 pm-5:49 pm

Nonstop1h 40m

Idaho Falls Fanning Field

Mon 6/29

6:39 pm-7:18 pm

Nonstop1h 39m

$104

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Wed 5/20

5:10 am-10:47 am

1 stop4h 37m

Idaho Falls Fanning Field

Mon 5/25

6:00 am-11:46 am

1 stop6h 46m

$301

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Wed 5/13

5:10 am-10:47 am

1 stop4h 37m

Idaho Falls Fanning Field

Sat 5/16

6:54 pm-10:31 pm

1 stop4h 37m

$349

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Sun 5/24

4:08 pm-10:53 pm

1 stop5h 45m

Idaho Falls Fanning Field

Fri 5/29

6:00 am-9:41 am

1 stop4h 41m

$367

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Fri 5/22

12:49 pm-5:49 pm

1 stop4h 00m

Idaho Falls Fanning Field

Fri 5/29

6:39 pm-10:50 pm

1 stop5h 11m

$377

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Fri 5/15

4:08 pm-10:53 pm

1 stop5h 45m

Idaho Falls Fanning Field

Tue 5/19

1:54 pm-7:10 pm

1 stop6h 16m

$381

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 June, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $130.

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 $89. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Wednesday is $174.

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 at noon. Flights from Oregon to Idaho Falls during this time can be as low as $97. Try not to purchase tickets in the morning because they tend to be around $174. 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

$92

Fastest flight time

1h 36m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Idaho Falls

1 airport
The best flight deal from Oregon to Idaho Falls found on momondo in the last 72 hours is $92
The fastest flight from Oregon to Idaho Falls takes 1h 36m
Direct flights go from Oregon to Idaho Falls on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is Allegiant Air.
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 $44Free CancellationRating
7.3
706 reviews
Search Allegiant Air flights
DeltaPriceFrom $162Free CancellationRating
7.9
8,459 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $178Free CancellationRating
7.8
2,837 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $193Free CancellationRating
7.9
12,295 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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