What airlines fly to Idaho Falls?

Alaska Airlines, Delta and Allegiant Air are the top three most popular airlines that fly to Idaho Falls from Oregon 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 Idaho Falls. Keep in mind that there are 4 different airlines that fly to Idaho Falls on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Idaho Falls?

If you’re flying from a popular airport in Oregon, such as Eugene or Portland, and flying into Idaho Falls, then you can expect flight times to average 4h 50m and 5h 12m, respectively.

How many flights depart from Oregon to Idaho Falls on average per week?

7 flights are operational weekly from Oregon to Idaho Falls as of October 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

How many flights depart from Oregon to Idaho Falls on average per day?

1 flights are operational daily from Oregon to Idaho Falls as of October 2026. The most popular departure time for this route is 10:00AM, with 100% of flights per day taking off at noon.

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

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

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?

There are 3 operators available for flights from Oregon to Idaho Falls Fanning Field Airport as of October 2026.

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.

$134 Cheap Flights from Oregon to Idaho Falls in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Oregon to Idaho Falls

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:30 am - 1:17 pmPDX Portland-IDA Idaho Falls Fanning Field

1h 47mnonstop

3:44 pm - 4:48 pmIDA Idaho Falls Fanning Field-PDX Portland

2h 04mnonstop

$247Alaska Airlines

Wed, Dec 2 - Sat, Dec 5

10:30 am - 1:17 pmPDX Portland-IDA Idaho Falls Fanning Field

1h 47mnonstop

3:44 pm - 4:48 pmIDA Idaho Falls Fanning Field-PDX Portland

2h 04mnonstop

$252Alaska Airlines

Sat, Dec 5 - Mon, Dec 7

10:30 am - 1:17 pmPDX Portland-IDA Idaho Falls Fanning Field

1h 47mnonstop

3:44 pm - 4:48 pmIDA Idaho Falls Fanning Field-PDX Portland

2h 04mnonstop

$252Alaska Airlines

Tue, Dec 8 - Sun, Dec 13

1:45 pm - 6:14 pmPDX Portland-IDA Idaho Falls Fanning Field

3h 29m1 stop Salt Lake City

6:45 pm - 11:51 pmIDA Idaho Falls Fanning Field-PDX Portland

6h 06m1 stop Salt Lake City

$297Delta

Fri, Feb 26 - Fri, Mar 5

6:00 am - 12:27 pmPDX Portland-IDA Idaho Falls Fanning Field

5h 27m1 stop Salt Lake City

1:10 pm - 7:03 pmIDA Idaho Falls Fanning Field-PDX Portland

6h 53m2 stops Salt Lake City Seattle/Tacoma Intl

$302Delta

Fri, Feb 26 - Fri, Mar 5

5:34 pm - 10:25 pmPDX Portland-IDA Idaho Falls Fanning Field

3h 51m1 stop Salt Lake City

6:59 pm - 11:59 pmIDA Idaho Falls Fanning Field-PDX Portland

6h 00m1 stop Salt Lake City

$318Delta

Sat, Dec 5 - Mon, Dec 7

11:23 am - 11:46 amPDX Portland-IDA Idaho Falls Fanning Field

23h 23m1 stop Las Vegas Harry Reid Intl

3:32 pm - 4:07 pmIDA Idaho Falls Fanning Field-PDX Portland

25h 35m2 stops Las Vegas Harry Reid Intl Denver Intl

$436Multiple Airlines

Tue, Nov 24 - Mon, Nov 30

10:28 pm - 3:22 pmPDX Portland-IDA Idaho Falls Fanning Field

15h 54m1 stop Las Vegas Harry Reid Intl

11:15 am - 9:33 pmIDA Idaho Falls Fanning Field-PDX Portland

35h 18m2 stops Phoenix-Mesa Gateway Las Vegas Harry Reid Intl

$488Multiple Airlines

Tue, Dec 22 - Mon, Dec 28

9:30 pm - 3:34 pmMFR Medford-IDA Idaho Falls Fanning Field

17h 04m1 stop Las Vegas Harry Reid Intl

4:05 pm - 8:36 pmIDA Idaho Falls Fanning Field-MFR Medford

5h 31m1 stop Las Vegas Harry Reid Intl

$526Allegiant Air

Thu, Nov 19 - Thu, Dec 3

9:31 pm - 3:22 pmMFR Medford-IDA Idaho Falls Fanning Field

16h 51m1 stop Las Vegas Harry Reid Intl

10:22 pm - 1:23 pmIDA Idaho Falls Fanning Field-MFR Medford

16h 01m1 stop Las Vegas Harry Reid Intl

$528Allegiant Air

Tue, Dec 22 - Sat, Dec 26

Cheap last minute flights

Enter your travel dates to find the best prices.

10:30 am - 1:21 pmPDX Portland-IDA Idaho Falls Fanning Field

1h 51mnonstop

3:55 pm - 4:48 pmIDA Idaho Falls Fanning Field-PDX Portland

1h 53mnonstop

$627Alaska Airlines

Fri, Oct 30 - Fri, Nov 6

10:30 am - 1:21 pmPDX Portland-IDA Idaho Falls Fanning Field

1h 51mnonstop

3:55 pm - 4:48 pmIDA Idaho Falls Fanning Field-PDX Portland

1h 53mnonstop

$647Alaska Airlines

Fri, Oct 30 - Mon, Nov 2

5:15 pm - 10:10 pmPDX Portland-IDA Idaho Falls Fanning Field

3h 55m1 stop Salt Lake City

6:00 am - 8:50 amIDA Idaho Falls Fanning Field-PDX Portland

3h 50m1 stop Salt Lake City

$667Delta

Tue, Oct 27 - Sat, Oct 31

5:15 pm - 10:10 pmPDX Portland-IDA Idaho Falls Fanning Field

3h 55m1 stop Salt Lake City

6:00 am - 11:49 amIDA Idaho Falls Fanning Field-PDX Portland

6h 49m2 stops Salt Lake City Seattle/Tacoma Intl

$672Delta

Tue, Oct 27 - Sat, Oct 31

10:30 am - 1:21 pmPDX Portland-IDA Idaho Falls Fanning Field

1h 51mnonstop

1:53 pm - 4:50 pmIDA Idaho Falls Fanning Field-PDX Portland

3h 57m1 stop Seattle/Tacoma Intl

$687Alaska Airlines

Fri, Oct 30 - Mon, Nov 2

3:48 pm - 10:59 pmPDX Portland-IDA Idaho Falls Fanning Field

6h 11m1 stop Seattle/Tacoma Intl

3:55 pm - 4:48 pmIDA Idaho Falls Fanning Field-PDX Portland

1h 53mnonstop

$687Alaska Airlines

Fri, Oct 30 - Mon, Nov 2

5:30 am - 12:22 pmPDX Portland-IDA Idaho Falls Fanning Field

5h 52m2 stops Seattle/Tacoma Intl Salt Lake City

6:00 am - 8:50 amIDA Idaho Falls Fanning Field-PDX Portland

3h 50m1 stop Salt Lake City

$698Delta

Fri, Oct 30 - Fri, Nov 6

7:26 pm - 1:28 pmPDX Portland-IDA Idaho Falls Fanning Field

17h 02m2 stops San Francisco Denver Intl

7:00 am - 6:24 pmIDA Idaho Falls Fanning Field-PDX Portland

12h 24m2 stops Denver Intl San Francisco

$1,199United Airlines

Fri, Oct 30 - Mon, Nov 2

7:26 pm - 1:28 pmPDX Portland-IDA Idaho Falls Fanning Field

17h 02m2 stops San Francisco Denver Intl

2:35 pm - 7:12 pmIDA Idaho Falls Fanning Field-PDX Portland

29h 37m3 stops Denver Intl Pittsburgh Chicago O'Hare Intl

$1,267United Airlines

Mon, Oct 26 - Fri, Oct 30

4:25 pm - 9:53 amPDX Portland-IDA Idaho Falls Fanning Field

16h 28m1 stop Denver Intl

2:35 pm - 7:12 pmIDA Idaho Falls Fanning Field-PDX Portland

29h 37m3 stops Denver Intl Pittsburgh Chicago O'Hare Intl

$1,292United Airlines

Mon, Oct 26 - Fri, Oct 30

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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

Dec 2

PDX10:30 amPortland

1h 47m

IDA1:17 pmIdaho Falls Fanning Field

Dec 5

IDA3:44 pmIdaho Falls Fanning Field

2h 04m

PDX4:48 pmPortland

$247

Alaska Airlines

Dec 5

PDX10:30 amPortland

1h 47m

IDA1:17 pmIdaho Falls Fanning Field

Dec 7

IDA3:44 pmIdaho Falls Fanning Field

2h 04m

PDX4:48 pmPortland

$252

Alaska Airlines

Dec 4

PDX10:30 amPortland

1h 47m

IDA1:17 pmIdaho Falls Fanning Field

Dec 7

IDA3:44 pmIdaho Falls Fanning Field

2h 04m

PDX4:48 pmPortland

$257

Delta flights from Oregon to Idaho Falls

Our best Delta deals on Oregon to Idaho Falls flight tickets

Delta

Feb 26

PDX6:00 amPortland

5h 27m

1 stop

IDA12:27 pmIdaho Falls Fanning Field

Mar 5

IDA1:10 pmIdaho Falls Fanning Field

6h 53m

2 stops

PDX7:03 pmPortland

$302

Delta

Dec 5

PDX5:34 pmPortland

3h 51m

1 stop

IDA10:25 pmIdaho Falls Fanning Field

Dec 7

IDA6:59 pmIdaho Falls Fanning Field

6h 00m

1 stop

PDX11:59 pmPortland

$318

Delta

Feb 26

PDX9:40 amPortland

7h 34m

2 stops

IDA6:14 pmIdaho Falls Fanning Field

Mar 5

IDA1:10 pmIdaho Falls Fanning Field

6h 53m

2 stops

PDX7:03 pmPortland

$358

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Wed 12/2

10:30 am-1:17 pm

Nonstop1h 47m

Idaho Falls Fanning Field

Sat 12/5

3:44 pm-4:48 pm

Nonstop2h 04m

$247

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

Mon 12/7

3:44 pm-4:48 pm

Nonstop2h 04m

$252

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Tue 12/8

10:30 am-1:17 pm

Nonstop1h 47m

Idaho Falls Fanning Field

Sun 12/13

3:44 pm-4:48 pm

Nonstop2h 04m

$252

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Fri 2/26

1:45 pm-6:14 pm

1 stop3h 29m

Idaho Falls Fanning Field

Fri 3/5

6:45 pm-11:51 pm

1 stop6h 06m

$297

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Fri 2/26

6:00 am-12:27 pm

1 stop5h 27m

Idaho Falls Fanning Field

Fri 3/5

1:10 pm-7:03 pm

2 stops6h 53m

$302

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Sat 12/5

5:34 pm-10:25 pm

1 stop3h 51m

Idaho Falls Fanning Field

Mon 12/7

6:59 pm-11:59 pm

1 stop6h 00m

$318

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Tue 11/24

11:23 am-11:46 am

1 stop23h 23m

Idaho Falls Fanning Field

Mon 11/30

3:32 pm-4:07 pm

2 stops25h 35m

$436

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Tue 12/22

10:28 pm-3:22 pm

1 stop15h 54m

Idaho Falls Fanning Field

Mon 12/28

11:15 am-9:33 pm

2 stops35h 18m

$488

MedfordIdaho Falls

MFR Medford - IDA Idaho Falls Fanning Field

MFRIDA

Medford

Thu 11/19

9:30 pm-3:34 pm

1 stop17h 04m

Idaho Falls Fanning Field

Thu 12/3

4:05 pm-8:36 pm

1 stop5h 31m

$526

MedfordIdaho Falls

MFR Medford - IDA Idaho Falls Fanning Field

MFRIDA

Medford

Tue 12/22

9:31 pm-3:22 pm

1 stop16h 51m

Idaho Falls Fanning Field

Sat 12/26

10:22 pm-1:23 pm

1 stop16h 01m

$528

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 December is also cheap. Prices for this month can be found on momondo for an average of $143.

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 Saturday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Saturday is $607.

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 in the morning because they tend to be around $268. 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?

You could potentially save up to 41% on your flight if you consider stops on a Oregon to Idaho Falls flight.

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	$134
Fastest flight time	1h 45m
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 $134. The best round-trip flight deal from Oregon to Idaho Falls found on momondo in the last 72 hours is $247.

The fastest flight from Oregon to Idaho Falls takes 1h 45m

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?
There are 3 operators available for flights from Oregon to Idaho Falls Fanning Field Airport as of October 2026.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Oregon to Idaho Falls is Airbus A320-100/200 (42.86% of total bookings). The next most popular plane models are Embraer 175 (14.29%), Boeing 737 MAX 8 (7.14%), and Airbus A320neo (7.14%).

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 Air	PriceFrom $68	Free Cancellation	Rating 7.3 677 reviews	Search Allegiant Air flights
Delta	PriceFrom $136	Free Cancellation	Rating 7.8 8,678 reviews	Search Delta flights
Alaska Airlines	PriceFrom $193	Free Cancellation	Rating 7.9 13,122 reviews	Search Alaska Airlines flights

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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.

An easier way to manage your Idaho Falls trip

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Airports servicing Idaho

Boise Air Term. Gowen Fld Airport

Lewiston Nez Perce Rgnl Airport

Pocatello Airport

Hailey Sun Valley-Friedman Airport

Twin Falls Joslin Airport

Cheap flights from Oregon to Idaho Falls from $134

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 1/13. 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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Alaska Airlines flights from Oregon to Idaho Falls

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

Delta flights from Oregon to Idaho Falls

Our best Delta deals on Oregon to Idaho Falls flight tickets

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

What is the cheapest month to fly to Idaho Falls?

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

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

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

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

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

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

What airlines fly to Idaho Falls?

How many flights depart from Oregon to Idaho Falls on average per day?

How many flights depart from Oregon to Idaho Falls on average per week?

How long does it take to fly to Idaho Falls?

Cheap Oregon to Idaho Falls flight deals and tips

Best Price Found

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Airports in Idaho Falls

Frequently asked questions about flying 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

Traveling to a place near Idaho Falls?

Why use momondo?

An easier way to manage your Idaho Falls 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

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Find better results for your trip to the United States

Airports servicing Idaho

Fly your favorite airline to Idaho Falls

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Idaho Falls

List of cabin classes available on flights landing in Idaho Falls. Availability may vary depending on flight origin and airline.

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