What is the cheapest airline that flies from Idaho Falls Fanning Field to Oregon?

Alaska Airlines and Delta are the most popular carriers operating from Idaho Falls Fanning Field to Oregon

What airlines fly to Oregon?

Alaska Airlines, Allegiant Air and Delta are the top three most popular airlines that fly to Oregon from Idaho Falls according to our data. Alaska Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Oregon. Keep in mind that there are 5 different airlines that fly to Oregon on a routine basis, so you have a few additional options to choose from.

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?

The number of operators available for flights from Idaho Falls Fanning Field Airport to Oregon is 4 as of February 2026.

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.

$101 Cheap Flights from Idaho Falls to Oregon in 2026

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Find the cheapest flights from Idaho Falls to Oregon

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One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:39 pm - 7:20 pm

IDA

PDX

1h 41mnonstop

3:10 pm - 5:49 pm

PDX

IDA

1h 39mnonstop

$101Allegiant Air

Mon, May 25 - Fri, May 29

4:03 pm - 4:50 pm

IDA

PDX

1h 47mnonstop

10:30 am - 1:17 pm

PDX

IDA

1h 47mnonstop

$187Alaska Airlines

Wed, May 20 - Mon, May 25

6:39 pm - 7:20 pm

IDA

PDX

1h 41mnonstop

5:46 pm - 10:53 pm

PDX

IDA

4h 07m

1 stop

$217Multiple Airlines

Mon, May 25 - Fri, May 29

6:00 am - 9:47 am

IDA

PDX

4h 47m

1 stop

3:09 pm - 5:49 pm

PDX

IDA

1h 40mnonstop

$220Multiple Airlines

Tue, Jun 2 - Fri, Jun 5

4:03 pm - 4:50 pm

IDA

PDX

1h 47mnonstop

3:10 pm - 5:49 pm

PDX

IDA

1h 39mnonstop

$222Multiple Airlines

Fri, May 15 - Fri, May 22

6:00 am - 9:47 am

IDA

PDX

4h 47m

1 stop

3:10 pm - 5:49 pm

PDX

IDA

1h 39mnonstop

$233Multiple Airlines

Fri, May 15 - Fri, May 22

1:54 pm - 4:50 pm

IDA

PDX

3h 56m

1 stop

3:10 pm - 5:49 pm

PDX

IDA

1h 39mnonstop

$235Multiple Airlines

Wed, May 20 - Mon, May 25

6:35 pm - 11:53 pm

IDA

PDX

6h 18m

1 stop

5:45 am - 12:27 pm

PDX

IDA

5h 42m

1 stop

$252Delta

Tue, Mar 3 - Sat, Mar 14

4:03 pm - 4:50 pm

IDA

PDX

1h 47mnonstop

10:30 am - 1:17 pm

PDX

IDA

1h 47mnonstop

$257Alaska Airlines

Thu, May 28 - Mon, Jun 1

6:55 pm - 11:47 pm

IDA

MFR

5h 52m

1 stop

12:37 pm - 6:15 pm

MFR

IDA

4h 38m

1 stop

$409Delta

Wed, Mar 18 - Mon, Mar 23

Allegiant Air flights from Idaho Falls to Oregon

Our best Allegiant Air deals on Idaho Falls to Oregon flight tickets

Allegiant Air

May 25

IDA6:39 pmIdaho Falls Fanning Field

1h 41m

PDX7:20 pmPortland

May 29

PDX3:10 pmPortland

1h 39m

IDA5:49 pmIdaho Falls Fanning Field

$101

Allegiant Air

Jun 12

IDA6:39 pmIdaho Falls Fanning Field

1h 39m

PDX7:18 pmPortland

Jun 15

PDX3:09 pmPortland

1h 40m

IDA5:49 pmIdaho Falls Fanning Field

$120

Alaska Airlines flights from Idaho Falls to Oregon

Our best Alaska Airlines deals on Idaho Falls to Oregon flight tickets

Alaska Airlines

May 20

IDA4:03 pmIdaho Falls Fanning Field

1h 47m

PDX4:50 pmPortland

May 25

PDX10:30 amPortland

1h 47m

IDA1:17 pmIdaho Falls Fanning Field

$187

Alaska Airlines

May 28

IDA4:03 pmIdaho Falls Fanning Field

1h 47m

PDX4:50 pmPortland

Jun 1

PDX10:30 amPortland

1h 47m

IDA1:17 pmIdaho Falls Fanning Field

$257

Alaska Airlines

May 28

IDA4:03 pmIdaho Falls Fanning Field

1h 47m

PDX4:50 pmPortland

Jun 1

PDX5:46 pmPortland

4h 07m

1 stop

IDA10:53 pmIdaho Falls Fanning Field

$307

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Mon 5/25

6:39 pm-7:20 pm

Nonstop1h 41m

Portland

Fri 5/29

3:10 pm-5:49 pm

Nonstop1h 39m

$101

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Wed 5/20

4:03 pm-4:50 pm

Nonstop1h 47m

Portland

Mon 5/25

10:30 am-1:17 pm

Nonstop1h 47m

$187

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Mon 5/25

6:39 pm-7:20 pm

Nonstop1h 41m

Portland

Fri 5/29

5:46 pm-10:53 pm

1 stop4h 07m

$217

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Tue 6/2

6:00 am-9:47 am

1 stop4h 47m

Portland

Fri 6/5

3:09 pm-5:49 pm

Nonstop1h 40m

$220

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Fri 5/15

4:03 pm-4:50 pm

Nonstop1h 47m

Portland

Fri 5/22

3:10 pm-5:49 pm

Nonstop1h 39m

$222

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Fri 5/15

6:00 am-9:47 am

1 stop4h 47m

Portland

Fri 5/22

3:10 pm-5:49 pm

Nonstop1h 39m

$233

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Wed 5/20

1:54 pm-4:50 pm

1 stop3h 56m

Portland

Mon 5/25

3:10 pm-5:49 pm

Nonstop1h 39m

$235

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Tue 3/3

6:35 pm-11:53 pm

1 stop6h 18m

Portland

Sat 3/14

5:45 am-12:27 pm

1 stop5h 42m

$252

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Thu 5/28

4:03 pm-4:50 pm

Nonstop1h 47m

Portland

Mon 6/1

10:30 am-1:17 pm

Nonstop1h 47m

$257

Idaho FallsMedford

IDA - MFR

IDAMFR

Idaho Falls Fanning Field

Wed 3/18

6:55 pm-11:47 pm

1 stop5h 52m

Medford

Mon 3/23

12:37 pm-6:15 pm

1 stop4h 38m

$409

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Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 $88. 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 Thursday. momondo users have found tickets for Thursday departures for as low as $99. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Oregon is Wednesday, with ticket prices averaging around $257.

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 in the afternoon. momondo users have found flights departing from Idaho Falls to Oregon in the afternoon for as low as $109. 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 at noon, with an average ticket price of $141. Departure times at noon 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 $253 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 $105 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

Best Price Found	$73
Fastest flight time	1h 39m
Direct flights	Tue, Wed, Thu, Fri, Sat and Sun
Airports in Oregon	64 airports

The best one-way flight to Oregon from Idaho Falls in the past 72 hours is $73. The best round-trip flight deal from Idaho Falls to Oregon found on momondo in the last 72 hours is $287.

The fastest flight from Idaho Falls to Oregon takes 1h 39m

Direct flights go from Idaho Falls to Oregon on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

There are 64 airports in Oregon. From Idaho Falls there are direct flights to 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?
The number of operators available for flights from Idaho Falls Fanning Field Airport to Oregon is 4 as of February 2026.
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?
momondo data reveals that the most frequently booked plane model on the route from Idaho Falls to Oregon is Airbus A320-100/200, representing 81.82% of all bookings. The subsequent popular model is Embraer 175 at 18.18%.

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 Air	PriceFrom $45	Free Cancellation	Rating 7.2 710 reviews	Search Allegiant Air flights
Hawaiian Airlines	PriceFrom $162	Free Cancellation	Rating 7.8 2,833 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $162	Free Cancellation	Rating 7.9 8,213 reviews	Search Delta flights
Alaska Airlines	PriceFrom $209	Free Cancellation	Rating 8.0 11,904 reviews	Search Alaska Airlines 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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Flights to Las Vegasfrom $51

Flights to Washington, D.C.from $56

Flights to Bostonfrom $69

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Flights to Dallasfrom $49

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Cheap flights from Idaho Falls to Oregon from $101

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Oregon departing on 5/25. 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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Allegiant Air flights from Idaho Falls to Oregon

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See travel insights to Oregon from

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

What is the cheapest month to fly to Oregon?

What is the cheapest day to depart on your flight to Oregon?

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

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

How far in advance should I book a flight to Oregon?

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

Can stopping save me money on Idaho Falls to Oregon flights?

What is the cheapest airline that flies from Idaho Falls Fanning Field to Oregon?

What airlines fly 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

Best Price Found

Fastest flight time

Direct flights

Airports in Oregon

Best airlines flying from Idaho Falls to Oregon

Compare and see reviews for airlines that fly from Idaho Falls to Oregon with momondo

Why use momondo?

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

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

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

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

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Oregon

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