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Idaho Falls

$54+ Cheap flights from Idaho Falls

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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — LAX
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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What to know about flights from Idaho Falls

Discover essential information about flights departing from Idaho Falls, including flight schedules, destinations, airlines operating at the Idaho Falls airport, and any specific guidelines or requirements for travelers. Please note that the information is based on the most recent updates available. Data last updated August 18, 2025.

Cheapest one-way flight

$60

Cheapest round-trip flight

$62

Cheapest airline

Alaska Airlines

Most popular destination

Denver Intl (DEN)

Good round-trip deal

$75 or less

Good one-way deal

$45 or less
The cheapest one-way flight from Idaho Falls Fanning Field is currently to Denver Intl.
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The cheapest round-trip flight from Idaho Falls Fanning Field is currently to Las Vegas Harry Reid Intl.
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On average, Alaska Airlines currently has the cheapest one-way flight from Idaho Falls Fanning Field (avg. price of $307).
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Denver Intl (DEN) is currently the most popular flight destination from Idaho Falls Fanning Field (average round-trip price of $318).
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Price to beat on a round-trip flight from Idaho Falls Fanning Field.
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Price to beat on a one-way flight from Idaho Falls Fanning Field.
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Find flights from Idaho Falls

Cheapest flights from Idaho Falls
Explore the most affordable flight options available from Idaho Falls. Find the lowest fares based on data from user searches, with prices last updated on August 18, 2025.

Mon 9/299:39 pmIDA - LAS
Nonstop1h 44mAllegiant Air
Fri 10/31:25 pmLAS - IDA
Nonstop1h 49mAllegiant Air
Deal found 8/18$68
Fri 9/1910:55 pmIDA - LAS
Nonstop1h 44mAllegiant Air
Mon 9/2212:00 pmLAS - IDA
Nonstop1h 49mAllegiant Air
Deal found 8/17$69
Mon 9/159:39 pmIDA - LAS
Nonstop1h 44mAllegiant Air
Mon 9/2212:00 pmLAS - IDA
Nonstop1h 49mAllegiant Air
Deal found 8/16$72
Fri 10/1710:57 pmIDA - LAS
Nonstop1h 42mAllegiant Air
Mon 10/2010:00 amLAS - IDA
Nonstop1h 49mAllegiant Air
Deal found 8/18$93
Fri 10/1010:57 pmIDA - LAS
Nonstop1h 42mAllegiant Air
Mon 10/1310:00 amLAS - IDA
Nonstop1h 49mAllegiant Air
Deal found 8/18$99
Fri 8/2910:46 pmIDA - LAS
Nonstop1h 44mAllegiant Air
Mon 9/19:00 amLAS - IDA
Nonstop1h 46mAllegiant Air
Deal found 8/17$107
Fri 9/510:55 pmIDA - LAS
Nonstop1h 44mAllegiant Air
Mon 9/812:00 pmLAS - IDA
Nonstop1h 49mAllegiant Air
Deal found 8/18$112
Mon 11/38:52 pmIDA - LAS
Nonstop1h 43mAllegiant Air
Fri 11/71:22 pmLAS - IDA
Nonstop1h 46mAllegiant Air
Deal found 8/18$119
Fri 10/2410:57 pmIDA - LAS
Nonstop1h 42mAllegiant Air
Mon 10/2710:00 amLAS - IDA
Nonstop1h 49mAllegiant Air
Deal found 8/17$122
Mon 9/159:39 pmIDA - LAS
Nonstop1h 44mAllegiant Air
Fri 9/191:16 pmLAS - IDA
Nonstop1h 49mAllegiant Air
Deal found 8/16$123
Mon 12/82:06 pmIDA - SNA
Nonstop2h 12mAllegiant Air
Mon 12/154:08 pmSNA - IDA
Nonstop2h 18mAllegiant Air
Deal found 8/16$169
Fri 9/54:55 pmIDA - SNA
Nonstop2h 10mMultiple Airlines
Thu 9/111:00 pmSNA - IDA
1 stop26h 05mMultiple Airlines
Deal found 8/16$187

Find flights from Idaho Falls within your budget

 
Find flights departing from Idaho Falls that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on August 18, 2025. In the last 7 days, Cheapflights users made a total of 2,558,603 searches

Fly to

Los Angeles

Route

Depart

Return

Price

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Mon 9/29

9:39 pm-10:23 pm

Nonstop1h 44m

Las Vegas Harry Reid Intl

Fri 10/3

1:25 pm-4:14 pm

Nonstop1h 49m

$68

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 9/19

10:55 pm-11:39 pm

Nonstop1h 44m

Las Vegas Harry Reid Intl

Mon 9/22

12:00 pm-2:49 pm

Nonstop1h 49m

$69

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Mon 9/15

9:39 pm-10:23 pm

Nonstop1h 44m

Las Vegas Harry Reid Intl

Mon 9/22

12:00 pm-2:49 pm

Nonstop1h 49m

$72

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 10/17

10:57 pm-11:39 pm

Nonstop1h 42m

Las Vegas Harry Reid Intl

Mon 10/20

10:00 am-12:49 pm

Nonstop1h 49m

$93

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 10/10

10:57 pm-11:39 pm

Nonstop1h 42m

Las Vegas Harry Reid Intl

Mon 10/13

10:00 am-12:49 pm

Nonstop1h 49m

$99

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 8/29

10:46 pm-11:30 pm

Nonstop1h 44m

Las Vegas Harry Reid Intl

Mon 9/1

9:00 am-11:46 am

Nonstop1h 46m

$107

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 9/5

10:55 pm-11:39 pm

Nonstop1h 44m

Las Vegas Harry Reid Intl

Mon 9/8

12:00 pm-2:49 pm

Nonstop1h 49m

$112

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 8/22

10:50 pm-11:36 pm

Nonstop1h 46m

Las Vegas Harry Reid Intl

Mon 8/25

8:05 am-10:51 am

Nonstop1h 46m

$112

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Mon 11/3

8:52 pm-9:35 pm

Nonstop1h 43m

Las Vegas Harry Reid Intl

Fri 11/7

1:22 pm-4:08 pm

Nonstop1h 46m

$119

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 10/24

10:57 pm-11:39 pm

Nonstop1h 42m

Las Vegas Harry Reid Intl

Mon 10/27

10:00 am-12:49 pm

Nonstop1h 49m

$122

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 60 results
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Best time to book a flight from Idaho Falls

Have a flexible travel schedule? Discover the best time to fly from Idaho Falls 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.

Travel insights for flights from Idaho Falls

Get recent, data-driven insights about flights from Idaho Falls including ideal travel times, pricing trends, and more.

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

Currently, May is the cheapest month in which you can book a flight from Idaho Falls (average of $86). Flying from Idaho Falls in June will prove the most costly (average of $167). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Idaho Falls?

For flights departing from Idaho Falls check dates and pricing for the following: Delta, Alaska Airlines, American Airlines, United Airlines. These airlines depart to the following popular destinations: Los Angeles.

United Airlines
United Airlines
From $192
Delta
Delta
From $118
American Airlines
American Airlines
From $268
Alaska Airlines
Alaska Airlines
From $189

What are popular destinations to fly to from Idaho Falls?

Some of the most frequent flights departing from Idaho Falls everyday are: Salt Lake City (61 flights per day), Denver (26 flights per day), and Seattle (25 flights per day).

Denver Intl
Denver Intl
From $60
Salt Lake City
Salt Lake City
From $120
Dallas/Fort Worth
Dallas/Fort Worth
From $158
Seattle/Tacoma Intl
Seattle/Tacoma Intl
From $150

What is the cheapest place to fly to from Idaho Falls?

The cheapest city to fly to from Idaho Falls is Portland, with prices starting at $45. Explore other affordable destinations below.

Portland
Portland
From $45
Oakland
Oakland
From $45
Denver Intl
Denver Intl
From $60
Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From $62

Airline reviews for flights from Idaho Falls

Read reviews and ratings of airlines operating flights from Idaho Falls. Gain insights into the quality of service, in-flight amenities, customer experiences, and overall satisfaction to choose the best airline for your Idaho Falls travel. Please note that the reviews are sourced from user searches and were last updated on August 18, 2025. In the last 7 days, Cheapflights users made a total of 2,558,603 searches.
Peruse reviews from past customers who have flown Alaska Airlines, Delta, and United Airlines from Idaho Falls to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

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

Entertainment

7.0

Food

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

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)
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

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)
United Airlines
7.4
Good
8,925 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

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)
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

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)

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Related info for your journey

Access useful and relevant information related to your journey from Idaho Falls. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated August 18, 2025.

  • What are the most popular destinations to fly to from Idaho Falls?

    This month, the top selected destinations from Idaho Falls are Seattle, Las Vegas, Denver. Throughout the year, Seattle, Las Vegas, Denver are some of the top choices made by users flying from Idaho Falls.

  • What is the cheapest flight from Idaho Falls to anywhere?

    Users have flown out of Idaho Falls for as low as $45 to Oakland, California (prices may vary depending on the airline and departure time). On average, users have booked flights for $318 to fly from Idaho Falls.

  • What are the cheapest airlines flying from Idaho Falls to anywhere?

    Over the past few days, we've found that Allegiant Air, Delta, and Hawaiian Airlines have the cheapest prices from Idaho Falls. Allegiant Air flights from Idaho Falls to Phoenix-Mesa Gateway ($43), Delta flights from Idaho Falls to Albuquerque ($118), and Hawaiian Airlines flights from Idaho Falls to Honolulu ($119).

  • What is the cheapest premium economy flight from Idaho Falls?

    Options for some of the cheapest premium economy flights from Idaho Falls we have found on Cheapflights are as follows:
    Fly from Idaho Falls Fanning Field to Seattle starting at $347
    Fly from Idaho Falls Fanning Field to Salt Lake City starting at $800
    Fly from Idaho Falls Fanning Field to Denver starting at $917
    Fly from Idaho Falls Fanning Field to Dallas/Fort Worth Airport starting at $2,122

  • What is the cheapest first class flight from Idaho Falls?

    If you’re looking for a cheap first-class flight from Idaho Falls, consider Seattle. Prices start at $493 so you can fly first-class even on a budget.

  • What is the cheapest month to fly from Idaho Falls?

    May is currently the cheapest month to fly from Idaho Falls. At this moment in time June is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

  • Where are the cheapest places to fly to from Idaho Falls?

    Check out the cheapest flights from Idaho Falls to embark to:
    Fly from Idaho Falls to Santa Ana from $169 round trip
    Fly from Idaho Falls to Los Angeles from $216 round trip
    Fly from Idaho Falls to Dallas from $230 round trip
    Fly from Idaho Falls to Ontario from $269 round trip
    Fly from Idaho Falls to Long Beach from $475 round trip

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