Idaho Falls

$139+ Cheap flights from Oregon to Idaho Falls (IDA)

PDX — IDA
Dec 5 — Dec 121
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Cheap flight deals from Oregon to Idaho Falls

Cheapest flights from Oregon to Idaho Falls

Sat 12/510:30 am -
Nonstop1h 47m
Tue 12/83:44 pm -
Nonstop2h 04m
Deal found 11/2$247
Fri 12/410:30 am -
Nonstop1h 47m
Sat 12/53:44 pm -
Nonstop2h 04m
Deal found 11/4$252
Fri 12/410:30 am -
Nonstop1h 47m
Mon 12/73:44 pm -
Nonstop2h 04m
Deal found 11/4$257
Fri 12/45:32 pm -
1 stop4h 24m
Sun 12/63:44 pm -
Nonstop2h 04m
Deal found 11/4$267
Mon 12/75:34 pm -
1 stop3h 33m
Fri 12/116:59 pm -
1 stop6h 00m
Deal found 11/4$287
Wed 12/25:34 pm -
1 stop3h 33m
Thu 12/35:35 am -
1 stop4h 27m
Deal found 11/1$292
Mon 12/710:30 am -
Nonstop1h 47m
Fri 12/116:00 am -
1 stop6h 24m
Deal found 11/4$297
Wed 12/210:30 am -
Nonstop1h 47m
Thu 12/33:44 pm -
Nonstop2h 04m
Deal found 11/1$312
Tue 12/110:30 am -
Nonstop1h 47m
Thu 12/33:44 pm -
Nonstop2h 04m
Deal found 11/1$317
Thu 12/35:00 am -
1 stop7h 37m
Mon 12/74:10 pm -
1 stop6h 34m
Deal found 11/3$381
Thu 12/36:09 am -
2 stops11h 08m
Mon 12/76:59 pm -
1 stop6h 07m
Deal found 11/3$382
Thu 11/196:06 am -
1 stop8h 12m
Mon 11/233:46 pm -
1 stop7h 47m
Deal found 11/3$431

Find flight deals from Oregon to Idaho Falls

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$247
(Alaska Airlines)

One-way from

$139
(Alaska Airlines)

Popular in

November

Cheapest in

July

Average price

$542

Good round-trip deal

$337 or less

Good one-way deal

$408 or less
Provider with most accurate pricing for Portland-Idaho Falls Fanning Field flight deals.
Provider most trusted by Cheapflights users for Portland-Idaho Falls Fanning Field flights.
From Oregon to Idaho Falls Fanning Field
One-way flight from Oregon to Idaho Falls Fanning Field
Highest demand for flights based on searches. 9% potential increase in price ($37 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from Oregon to Idaho Falls Fanning Field.
Price to beat on a one-way flight from Oregon to Idaho Falls Fanning Field.

Cheapflights Fare Finder

 
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 Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Wed 1/6

10:30 am-1:19 pm

Nonstop1h 49m

Idaho Falls Fanning Field

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$154
Quickest round-trip

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Thu 12/17

10:30 am-1:15 pm

Nonstop1h 45m

Idaho Falls Fanning Field

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$159

EugeneIdaho Falls

EUG Eugene - IDA Idaho Falls Fanning Field

EUGIDA

Eugene

Thu 12/17

6:56 pm-3:32 pm

1 stop19h 36m

Idaho Falls Fanning Field

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$210

MedfordIdaho Falls

MFR Medford - IDA Idaho Falls Fanning Field

MFRIDA

Medford

Tue 12/22

5:36 pm-11:45 pm

1 stop5h 09m

Idaho Falls Fanning Field

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$233

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Sat 12/5

10:30 am-1:17 pm

Nonstop1h 47m

Idaho Falls Fanning Field

Tue 12/8

3:44 pm-4:48 pm

Nonstop2h 04m

$247

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Thu 12/17

5:34 pm-10:07 pm

1 stop3h 33m

Idaho Falls Fanning Field

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$249

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Sat 12/5

10:30 am-1:17 pm

Nonstop1h 47m

Idaho Falls Fanning Field

Sun 12/6

3:44 pm-4:48 pm

Nonstop2h 04m

$252

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Fri 12/4

10:30 am-1:17 pm

Nonstop1h 47m

Idaho Falls Fanning Field

Mon 12/7

3:44 pm-4:48 pm

Nonstop2h 04m

$257

EugeneIdaho Falls

EUG Eugene - IDA Idaho Falls Fanning Field

EUGIDA

Eugene

Thu 12/17

6:56 pm-10:15 am

2 stops38h 19m

Idaho Falls Fanning Field

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$276

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Wed 1/6

5:24 pm-10:42 pm

1 stop4h 18m

Idaho Falls Fanning Field

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 31 resultsSorted by cheapest first
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Best time to book a flight from Oregon to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Oregon with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Oregon to Idaho Falls

What is the cheapest month to book a flight from Oregon to Idaho Falls?

Currently, July is the cheapest month in which you can book a flight from Oregon to Idaho Falls (average of $107). Flying from Oregon to Idaho Falls in November is currently the most expensive (average of $542). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from OR to IDA?

When flying from Oregon to Idaho Falls, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Oregon to Idaho Falls

The most flights from USOR to IDA are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from Oregon to Idaho Falls?

Airfare is below average for this route at the moment.
Oregon to Idaho Falls flights typically cost between $322 and $542 in December.
The cheapest round-trip price found within the last 5 days was $247 on Alaska Airlines (Dec 5-Dec 8).

Related info for your journey

  • What airport do you fly into for flights to Idaho Falls from Oregon?

    For a flight from Oregon to Idaho Falls, you will be flying into Fanning Field. Idaho Falls Fanning Field (IDA) is just 3.8 mi from the center of the city.

  • How long is the flight from Oregon to Idaho Falls?

    A quick flight from Oregon to Idaho Falls can take about 1h 47m. Alaska Airlines provides one of the quickest options available for as low as $247. There are 537 mi between Oregon and Idaho Falls. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Oregon to Idaho Falls one-way?

    $46 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on Delta and Alaska Airlines, with prices starting from $133 and $148, respectively.

  • What are the most popular routes from Oregon to Idaho Falls?

  • What are the cheapest flights from Oregon to Idaho Falls?

    Looking at all options, your cheapest flight can be booked for $252. While the most popular route (Portland - Idaho Falls Fanning Field) can be booked for $277 on average, our data indicates $435 when flying from Oregon to Idaho Falls.

  • Can I find deals for flights from Oregon to Idaho Falls that include hotel bookings?

    Yes. In addition to deals on Oregon to Idaho Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oregon to Idaho Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to Idaho Falls.

  • Can I find deals for business class flights from Oregon to Idaho Falls?

    Yes. Cheapflights offers flight deals from Oregon to Idaho Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oregon to Idaho Falls?

    Currently, July is the cheapest month in which you can book a flight from Oregon to Idaho Falls (average of $107). Flying from Oregon to Idaho Falls in November is currently the most expensive (average of $542). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Oregon to Idaho Falls

Top 3 airlines flying from Oregon to Idaho Falls

AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$68Average$107FlexibilityNo cancel feeOn-time88%
DeltaCheapest$136Average$413FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$193Average$492FlexibilityNo cancel feeOn-time75%

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