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Idaho Falls

$68+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — SEA
Sep 10 — Sep 171
Thu 9/10
Thu 9/17
1 adult, Economy
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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 11, 2026. In the last 7 days, Cheapflights users made a total of 2,558,603 searches

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Idaho FallsSanta Ana

IDA Idaho Falls Fanning Field - SNA Santa Ana J. Wayne/Orange Cnty

IDASNA

Idaho Falls Fanning Field

Mon 10/26

1:26 pm-2:39 pm

Nonstop2h 13m

Santa Ana J. Wayne/Orange Cnty

Thu 10/29

7:02 am-1:21 pm

1 stop5h 19m

$215

Idaho FallsPortland

IDA Idaho Falls Fanning Field - PDX Portland

IDAPDX

Idaho Falls Fanning Field

Wed 9/16

6:57 pm-11:40 pm

1 stop5h 43m

Portland

Wed 9/23

1:20 pm-6:17 pm

1 stop3h 57m

$247

Idaho FallsPortland

IDA Idaho Falls Fanning Field - PDX Portland

IDAPDX

Idaho Falls Fanning Field

Fri 10/30

3:57 pm-4:49 pm

Nonstop1h 52m

Portland

Mon 11/2

10:31 am-1:16 pm

Nonstop1h 45m

$257

Idaho FallsDenver

IDA Idaho Falls Fanning Field - DEN Denver Intl

IDADEN

Idaho Falls Fanning Field

Thu 9/3

4:04 pm-5:58 pm

Nonstop1h 54m

Denver Intl

Mon 9/7

7:29 pm-9:18 pm

Nonstop1h 49m

$259

Idaho FallsDenver

IDA Idaho Falls Fanning Field - DEN Denver Intl

IDADEN

Idaho Falls Fanning Field

Fri 9/4

2:25 pm-4:15 pm

Nonstop1h 50m

Denver Intl

Mon 9/7

7:29 pm-9:18 pm

Nonstop1h 49m

$259

Idaho FallsSan Diego

IDA Idaho Falls Fanning Field - SAN San Diego

IDASAN

Idaho Falls Fanning Field

Tue 12/1

6:56 pm-11:53 pm

1 stop5h 57m

San Diego

Sat 12/5

6:15 am-12:15 pm

1 stop5h 00m

$273

Idaho FallsDenver

IDA Idaho Falls Fanning Field - DEN Denver Intl

IDADEN

Idaho Falls Fanning Field

Fri 8/28

4:04 pm-5:58 pm

Nonstop1h 54m

Denver Intl

Mon 8/31

1:39 pm-3:23 pm

Nonstop1h 44m

$274

Idaho FallsSan Diego

IDA Idaho Falls Fanning Field - SAN San Diego

IDASAN

Idaho Falls Fanning Field

Wed 9/30

6:18 am-1:21 pm

1 stop8h 03m

San Diego

Wed 10/7

6:53 am-1:21 pm

1 stop5h 28m

$281

Idaho FallsSan Diego

IDA Idaho Falls Fanning Field - SAN San Diego

IDASAN

Idaho Falls Fanning Field

Tue 10/6

1:58 pm-7:43 pm

1 stop6h 45m

San Diego

Sat 10/17

2:59 pm-10:59 pm

1 stop7h 00m

$281

Idaho FallsLos Angeles

IDA Idaho Falls Fanning Field - LAX Los Angeles

IDALAX

Idaho Falls Fanning Field

Sat 10/31

1:05 pm-6:12 pm

1 stop6h 07m

Los Angeles

Fri 11/6

6:00 am-12:22 pm

1 stop5h 22m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/8

Showing 1-10 of 60 resultsSorted by cheapest first
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Compare providers for flights from Idaho Falls

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls in August
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: Among all the travel providers offering deals on flights from Idaho Falls, FlightHub has been found to have the most accurate pricing. Users can find the same prices on deals on Cheapflights as FlightHub about >95% of the time. This is based on searches for flights from Idaho Falls made on Cheapflights over the past month and is updated monthly.
  • Most trusted provider: In terms of trustworthiness, Cheapflights users rate FlightHub the highest out of those offering flight deals from Idaho Falls. FlightHub has a user feedback rating of 3 out of 3 stars (3 being the best) and has received the most positive sentiment from Cheapflights users searching for flights from Idaho Falls. This info is gathered from Cheapflights searches over the past month.

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, January is the cheapest month in which you can book a flight from Idaho Falls (average of $243). Flying from Idaho Falls in March will prove the most costly (average of $393). 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: Alaska Airlines, Delta. These airlines depart to the following popular destinations: Seattle.

United Airlines
United Airlines
From $143
Delta
Delta
From $98
Allegiant Air
Allegiant Air
From $82
American Airlines
American Airlines
From $268

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 (63 flights per day), Dallas (49 flights per day), and Seattle (31 flights per day).

Denver Intl
Denver Intl
From $211
Salt Lake City
Salt Lake City
From $155
Dallas/Fort Worth
Dallas/Fort Worth
From $239
Chicago
Chicago
From $215

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

The cheapest city to fly to from Idaho Falls is Las Vegas Harry Reid Intl, with prices starting at $53. Explore other affordable destinations below.

Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From $53
Santa Ana J. Wayne/Orange Cnty
Santa Ana J. Wayne/Orange Cnty
From $96
Portland
Portland
From $100
Seattle/Tacoma Intl
Seattle/Tacoma Intl
From $138

When is the best time to book a flight from Idaho Falls?

To ensure you get the cheapest price possible for a flight from Idaho Falls, you should look to book at least 53 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 11, 2026. 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 and Delta 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
7.9
Good
12,794 reviews

Boarding

8.1

Entertainment

7.0

Food

7.0

Crew

8.5

Overall

7.9

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Alaska Airlines
7.9
Good
12,794 reviews
Alaska Airlines
7.9
Good
12,794 reviews

Boarding

8.1

Entertainment

7.0

Food

7.0

Crew

8.5

Overall

7.9

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Delta
7.8
Good
8,506 reviews
Alaska Airlines
7.9
Good
12,794 reviews

Boarding

8.1

Entertainment

7.0

Food

7.0

Crew

8.5

Overall

7.9

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

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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 11, 2026.

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

    This month, the top selected destinations from Idaho Falls are Denver, Las Vegas, Seattle. Throughout the year, Las Vegas, Denver, Seattle 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 $53 to Las Vegas (prices may vary depending on the airline and departure time). On average, users have booked flights for $377 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 United Airlines have the cheapest prices from Idaho Falls. Allegiant Air flights from Idaho Falls to Phoenix-Mesa Gateway ($82), Delta flights from Idaho Falls to Albuquerque ($98), and United Airlines flights from Idaho Falls to Albuquerque ($143).

  • 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 $582
    Fly from Idaho Falls Fanning Field to Salt Lake City starting at $1,458
    Fly from Idaho Falls Fanning Field to Denver starting at $1,649
    Fly from Idaho Falls Fanning Field to Dallas/Fort Worth Airport starting at $2,283

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

    If you’re looking for a cheap first-class flight from Idaho Falls, consider Portland. Prices start at $697 so you can fly first-class even on a budget.

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

    January is currently the cheapest month to fly from Idaho Falls. At this moment in time March 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 Las Vegas from $87 round trip
    Fly from Idaho Falls to Denver from $259 round trip
    Fly from Idaho Falls to San Diego from $273 round trip
    Fly from Idaho Falls to Seattle from $313 round trip
    Fly from Idaho Falls to Chicago from $320 round trip

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