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Cheap flights from Oregon to Idaho Falls from $68

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Idaho Falls departing on 5/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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
$68Allegiant 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 - 7:18 pm
IDA
-
PDX
1h 39mnonstop
$82Allegiant Air
Fri, May 29 - Mon, Jun 8
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
$100Allegiant Air
Fri, May 29 - Mon, Jun 1
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
$111Allegiant Air
Fri, Jun 19 - Mon, Jun 22
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
$128Allegiant Air
Fri, May 29 - Mon, Jun 1
Alaska Airlines Logo
10:18 am - 3:26 pm
EUG
-
IDA
4h 08m
1 stop
Alaska Airlines Logo
6:00 am - 3:31 pm
IDA
-
EUG
10h 31m
1 stop
$275Alaska Airlines
Wed, May 13 - Sat, May 16
Alaska Airlines Logo
6:00 am - 10:52 pm
EUG
-
IDA
15h 52m
1 stop
Alaska Airlines Logo
4:06 pm - 12:46 pm
IDA
-
EUG
21h 40m
1 stop
$283Alaska Airlines
Tue, Apr 21 - Fri, Apr 24
Alaska Airlines Logo
4:08 pm - 10:53 pm
EUG
-
IDA
5h 45m
1 stop
Alaska Airlines Logo
6:00 am - 7:10 pm
IDA
-
EUG
14h 10m
1 stop
$295Alaska Airlines
Wed, May 13 - Sat, May 16
Delta Logo
5:00 am - 12:27 pm
MFR
-
IDA
6h 27m
1 stop
Delta Logo
6:55 pm - 10:38 pm
IDA
-
MFR
4h 43m
1 stop
$430Delta
Sat, Mar 28 - Sat, Apr 4
Delta Logo
5:00 am - 12:27 pm
MFR
-
IDA
6h 27m
1 stop
Delta Logo
6:55 pm - 10:50 pm
IDA
-
MFR
28h 55m
2 stops
$442Delta
Sat, Mar 28 - Sat, Apr 4

Allegiant Air flights from Oregon to Idaho Falls

Our best Allegiant Air deals on Oregon to Idaho Falls flight tickets
Allegiant Air
May 29
PDX3:10 pmPortland
1h 39m
IDA5:49 pmIdaho Falls Fanning Field
Jun 1
IDA6:39 pmIdaho Falls Fanning Field
1h 41m
PDX7:20 pmPortland
$68
Allegiant Air
May 29
PDX3:10 pmPortland
1h 39m
IDA5:49 pmIdaho Falls Fanning Field
Jun 8
IDA6:39 pmIdaho Falls Fanning Field
1h 39m
PDX7:18 pmPortland
$82
Allegiant Air
May 29
PDX3:10 pmPortland
1h 39m
IDA5:49 pmIdaho Falls Fanning Field
Jun 1
IDA6:39 pmIdaho Falls Fanning Field
1h 41m
PDX7:20 pmPortland
$100

Delta flights from Oregon to Idaho Falls

Our best Delta deals on Oregon to Idaho Falls flight tickets
Delta
May 12
PDX6:00 amPortland
3h 47m
1 stop
IDA10:47 amIdaho Falls Fanning Field
May 16
IDA6:54 pmIdaho Falls Fanning Field
4h 46m
1 stop
PDX10:40 pmPortland
$249
Delta
May 12
PDX5:05 pmPortland
4h 37m
1 stop
IDA10:42 pmIdaho Falls Fanning Field
May 19
IDA3:16 pmIdaho Falls Fanning Field
3h 45m
1 stop
PDX6:01 pmPortland
$293
Delta
Mar 31
EUG11:40 amEugene
9h 36m
2 stops
IDA10:16 pmIdaho Falls Fanning Field
Apr 4
IDA6:55 pmIdaho Falls Fanning Field
5h 55m
2 stops
EUG11:50 pmEugene
$401

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 March 10, 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

$68
Quickest round-trip

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Fri 5/29

3:10 pm-5:49 pm

Nonstop1h 39m

Idaho Falls Fanning Field

Mon 6/8

6:39 pm-7:18 pm

Nonstop1h 39m

$82

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

$100

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Fri 6/19

3:09 pm-5:49 pm

Nonstop1h 40m

Idaho Falls Fanning Field

Mon 6/22

6:39 pm-7:18 pm

Nonstop1h 39m

$111

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

$128

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Wed 5/13

10:18 am-3:26 pm

1 stop4h 08m

Idaho Falls Fanning Field

Sat 5/16

6:00 am-3:31 pm

1 stop10h 31m

$275

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Tue 4/21

6:00 am-10:52 pm

1 stop15h 52m

Idaho Falls Fanning Field

Fri 4/24

4:06 pm-12:46 pm

1 stop21h 40m

$283

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Wed 5/13

4:08 pm-10:53 pm

1 stop5h 45m

Idaho Falls Fanning Field

Sat 5/16

6:00 am-7:10 pm

1 stop14h 10m

$295

MedfordIdaho Falls

MFR - IDA

MFRIDA

Medford

Sat 3/28

5:00 am-12:27 pm

1 stop6h 27m

Idaho Falls Fanning Field

Sat 4/4

6:55 pm-10:38 pm

1 stop4h 43m

$430

MedfordIdaho Falls

MFR - IDA

MFRIDA

Medford

Sat 3/28

5:00 am-12:27 pm

1 stop6h 27m

Idaho Falls Fanning Field

Sat 4/4

6:55 pm-10:50 pm

2 stops28h 55m

$442

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 $92. 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 $221.

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 $162. 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 Fanning Field flights?

There is only 1 cabin class available to choose from on Oregon to Idaho Falls Fanning Field 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

Fastest flight time

1h 36m

Direct flights

Mon, Tue, Wed, Fri and Sat

Airports in Idaho Falls

1 airport
The fastest flight from Oregon to Idaho Falls takes 1h 36m
Direct flights go from Oregon to Idaho Falls on Monday, Tuesday, Wednesday, Friday and Saturday. There are no airlines offering direct flights.
There is 1 airport in Idaho Falls. From Oregon there are direct flights to Idaho Falls Fanning Field (IDA).
Search flight deals

  • 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
714 reviews
Search Allegiant Air flights
DeltaPriceFrom $162Free CancellationRating
7.9
8,276 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $178Free CancellationRating
7.8
2,837 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $193Free CancellationRating
8.0
12,018 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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