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Idaho Falls

$45+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — SEA
mag 17 — mag 241
dom 5/17
dom 5/24
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 aprile 17, 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 FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

sab 5/23

1:54 pm-2:56 pm

Nonstop2h 02m

Seattle/Tacoma Intl

mar 5/26

12:35 pm-3:26 pm

Nonstop1h 51m

$217

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

mar 5/12

5:26 pm-7:21 pm

Nonstop1h 55m

Denver Intl

mar 5/19

8:10 am-9:55 am

Nonstop1h 45m

$249

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

mer 7/1

4:10 pm-6:01 pm

Nonstop1h 51m

Denver Intl

dom 7/5

8:05 am-9:50 am

Nonstop1h 45m

$249

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

ven 5/29

6:00 am-7:03 am

Nonstop2h 03m

Seattle/Tacoma Intl

ven 6/5

3:50 pm-1:17 pm

1 stop20h 27m

$280

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

ven 5/15

4:03 pm-6:02 am

1 stop14h 59m

Seattle/Tacoma Intl

sab 5/30

8:00 pm-10:53 pm

Nonstop1h 53m

$290

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

gio 7/2

6:00 am-9:18 am

1 stop3h 18m

Denver Intl

dom 7/5

5:40 am-10:43 am

1 stop5h 03m

$314

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

ven 8/28

4:10 pm-10:01 pm

1 stop6h 51m

Las Vegas Harry Reid Intl

lun 8/31

5:30 am-1:24 pm

1 stop6h 54m

$314
Quickest round-trip

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

mer 5/13

2:31 pm-4:19 pm

Nonstop1h 48m

Denver Intl

sab 5/16

8:10 am-9:55 am

Nonstop1h 45m

$319

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

mar 5/12

6:54 pm-10:40 pm

1 stop3h 46m

Denver Intl

mar 5/19

5:30 am-10:47 am

1 stop5h 17m

$329

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

lun 6/1

4:03 pm-8:05 pm

1 stop5h 02m

Las Vegas Harry Reid Intl

ven 6/5

7:10 am-1:17 pm

1 stop5h 07m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

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 April
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 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.

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

Use this chart to determine the optimal time to book a round-trip flight from Idaho Falls to Seattle. Price data was last updated on April 10, 2026.

To ensure you get the cheapest price possible for a flight from Idaho Falls, you should look to book at least 77 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.

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 $235). 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, Hawaiian 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 $43
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 (55 flights per day), Denver (31 flights per day), and Seattle (24 flights per day).

Denver Intl
Denver Intl
From $184
Salt Lake City
Salt Lake City
From $159
Seattle/Tacoma Intl
Seattle/Tacoma Intl
From $173
Dallas/Fort Worth
Dallas/Fort Worth
From $274

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 $55. Explore other affordable destinations below.

Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From $55
Santa Ana J. Wayne/Orange Cnty
Santa Ana J. Wayne/Orange Cnty
From $67
Portland
Portland
From $101
Phoenix Sky Harbor Intl
Phoenix Sky Harbor Intl
From $104

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 aprile 17, 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,Delta, andHawaiian 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
7.9
Good
12,253 reviews

Entertainment

7.0

Comfort

7.8

Food

7.0

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Alaska Airlines
7.9
Good
12,253 reviews
Alaska Airlines
7.9
Good
12,253 reviews

Entertainment

7.0

Comfort

7.8

Food

7.0

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Delta
7.9
Good
8,409 reviews
Alaska Airlines
7.9
Good
12,253 reviews

Entertainment

7.0

Comfort

7.8

Food

7.0

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Hawaiian Airlines
7.8
Good
2,839 reviews
Alaska Airlines
7.9
Good
12,253 reviews

Entertainment

7.0

Comfort

7.8

Food

7.0

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

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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 aprile 17, 2026.

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

    This month, the top selected destinations from Idaho Falls are Las Vegas, Santa Ana, Denver. Throughout the year, Las Vegas, Seattle, 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 $55 to Las Vegas (prices may vary depending on the airline and departure time). On average, users have booked flights for $351 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 ($98), and Hawaiian Airlines flights from Idaho Falls to Spokane ($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 $582
    Fly from Idaho Falls Fanning Field to Denver starting at $1,076
    Fly from Idaho Falls Fanning Field to Salt Lake City starting at $1,458
    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 $478 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 Denver from $212 round trip
    Fly from Idaho Falls to Phoenix from $217 round trip
    Fly from Idaho Falls to Seattle from $242 round trip
    Fly from Idaho Falls to Chicago from $291 round trip
    Fly from Idaho Falls to Houston from $349 round trip

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