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Idaho Falls

$121+ Cheap flights from Eugene to Idaho Falls (EUG - IDA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
EUG — IDA
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Eugene to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Eugene (EUG) to Idaho Falls (IDA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2025.

Round-trip from

$368
(United Airlines)

One-way from

$121
(American Airlines)

Popular in

August

Cheapest in

April

Average price

$735
From Eugene to Idaho Falls Fanning Field
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One-way flight from Eugene to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 21% potential increase in price ($132 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Eugene to Idaho Falls

Cheapest flights from Eugene to Idaho Falls
Explore the most affordable flight options available from Eugene to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/295:00 amEUG - IDA
1 stop7h 30mUnited Airlines
Tue 9/24:00 pmIDA - EUG
1 stop6h 23mUnited Airlines
Deal found 8/14$368
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/276:00 amEUG - IDA
1 stop8h 17mAlaska Airlines
Sun 8/316:13 amIDA - EUG
1 stop7h 26mAlaska Airlines
Deal found 8/12$460
This Alaska Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/145:45 pmEUG - IDA
1 stop3h 54mAlaska Airlines
Thu 9/186:13 amIDA - EUG
1 stop19h 12mAlaska Airlines
Deal found 8/14$496
This Alaska Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/135:45 pmEUG - IDA
1 stop20h 35mAlaska Airlines
Thu 9/186:13 amIDA - EUG
1 stop19h 12mAlaska Airlines
Deal found 8/14$538
This Alaska Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/215:54 amEUG - IDA
1 stop7h 14mAlaska Airlines
Wed 11/266:00 amIDA - EUG
1 stop16h 45mAlaska Airlines
Deal found 8/14$549
This Alaska Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1112:50 pmEUG - IDA
2 stops32h 49mAlaska Airlines
Thu 9/186:13 amIDA - EUG
1 stop19h 12mAlaska Airlines
Deal found 8/14$556
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/135:00 amEUG - IDA
1 stop27h 47mUnited Airlines
Sun 9/145:56 pmIDA - EUG
1 stop22h 22mUnited Airlines
Deal found 8/14$610

Cheapflights Fare Finder

 
Customize your flight search to find flights from Eugene 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, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Eugene to Idaho Falls that are best for you.

Fly from

Eugene

Fly to

Idaho Falls

Route

Depart

Return

Price

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Fri 8/29

5:00 am-1:30 pm

1 stop7h 30m

Idaho Falls Fanning Field

Tue 9/2

4:00 pm-9:23 pm

1 stop6h 23m

$368

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Wed 8/27

6:00 am-3:17 pm

1 stop8h 17m

Idaho Falls Fanning Field

Sun 8/31

6:13 am-12:39 pm

1 stop7h 26m

$460

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Sun 9/14

5:45 pm-10:39 pm

1 stop3h 54m

Idaho Falls Fanning Field

Thu 9/18

6:13 am-12:25 am

1 stop19h 12m

$496

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Sat 9/13

5:45 pm-3:20 pm

1 stop20h 35m

Idaho Falls Fanning Field

Thu 9/18

6:13 am-12:25 am

1 stop19h 12m

$538

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Thu 9/11

12:50 pm-10:39 pm

2 stops32h 49m

Idaho Falls Fanning Field

Thu 9/18

6:13 am-12:25 am

1 stop19h 12m

$556

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Sat 9/13

5:00 am-9:47 am

1 stop27h 47m

Idaho Falls Fanning Field

Sun 9/14

5:56 pm-3:18 pm

1 stop22h 22m

$610

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Wed 11/12

3:25 pm-10:34 pm

1 stop6h 09m

$121

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Wed 11/12

6:44 pm-3:13 pm

2 stops19h 29m

$194

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Sun 8/24

2:23 pm-10:51 am

1 stop19h 28m

$201

EugeneIdaho Falls

EUG - IDA

EUGIDA

Eugene

Sun 8/24

2:23 pm-2:49 pm

2 stops23h 26m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 13 results
1
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Best time to book a flight from Eugene to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Eugene with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Currently, October is the cheapest month in which you can book a flight from Eugene to Idaho Falls (average of $380). Flying from Eugene to Idaho Falls in December is currently the most expensive (average of $578). 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.

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho Falls. Reviews last updated August 14, 2025.
Get a feel of what it's like to fly with Alaska Airlines from Eugene to Idaho Falls by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Related info for your journey

Find useful and relevant information for your journey from Eugene to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from Eugene to Idaho Falls round-trip?

    Our cheapest airline available from Eugene to Idaho Falls is Alaska Airlines. Our recent data shows that you can find tickets from as low as $286 on this airline. Alaska Airlines is priced at 42% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $121. However, be on the lookout for offers from Alaska Airlines and Allegiant Air, as they are both options that can get you from Eugene to Idaho Falls for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Eugene 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 Eugene to Idaho Falls?

    Currently, October is the cheapest month in which you can book a flight from Eugene to Idaho Falls (average of $380). Flying from Eugene to Idaho Falls in December is currently the most expensive (average of $578). 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

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

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Top airline flying from Eugene to Idaho Falls

Discover the top airline that operate flights from Eugene to Idaho Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$286Average$535FlexibilityNo cancel feeOn-time75%

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