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Idaho Falls

$84+ Cheap flights from Idaho Falls

This is the cheapest round-trip 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
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Cheapest one-way flight

$42

Cheapest round-trip flight

$54

Cheapest airline

Delta

Most popular destination

Salt Lake City (SLC)

Good round-trip deal

$88 or less

Good one-way deal

$56 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, Delta currently has the cheapest one-way flight from Idaho Falls Fanning Field (avg. price of $231).
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Salt Lake City (SLC) is currently the most popular flight destination from Idaho Falls Fanning Field (average round-trip price of $258).
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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 July 3, 2025.

Sun 8/175:51 pmIDA - DEN
Nonstop1h 48mAllegiant Air
Sun 8/243:24 pmDEN - IDA
Nonstop1h 42mAllegiant Air
Deal found 7/2$84
Sat 8/166:15 amIDA - SEA
Nonstop1h 56mAlaska Airlines
Wed 8/207:55 pmSEA - IDA
Nonstop1h 44mAlaska Airlines
Deal found 7/2$187
Fri 9/54:15 pmIDA - DEN
Nonstop1h 48mUnited Airlines
Sun 9/78:00 amDEN - IDA
Nonstop1h 47mUnited Airlines
Deal found 7/2$189
Wed 8/136:52 pmIDA - SEA
1 stop4h 28mDelta
Tue 8/195:30 amSEA - IDA
1 stop4h 09mDelta
Deal found 7/2$197
Mon 8/116:52 pmIDA - DEN
1 stop3h 56mDelta
Fri 8/295:45 amDEN - IDA
1 stop4h 54mDelta
Deal found 7/2$209
Fri 7/186:12 pmIDA - LAX
1 stop5h 38mMultiple Airlines
Fri 7/256:00 amLAX - IDA
1 stop4h 44mMultiple Airlines
Deal found 7/2$215
Fri 8/2210:50 pmIDA - ORD
1 stop11h 53mMultiple Airlines
Sun 8/246:49 pmORD - IDA
1 stop17h 02mMultiple Airlines
Deal found 7/2$216
Thu 8/146:15 amIDA - SEA
Nonstop1h 56mHawaiian Airlines
Thu 8/2112:31 pmSEA - IDA
Nonstop1h 46mHawaiian Airlines
Deal found 7/2$238
Thu 8/216:13 amIDA - LAX
1 stop7h 50mAlaska Airlines
Wed 8/277:00 amLAX - IDA
1 stop7h 17mAlaska Airlines
Deal found 7/2$240
Fri 8/296:52 pmIDA - SMF
1 stop4h 18mDelta
Sun 9/75:30 amSMF - IDA
1 stop4h 09mDelta
Deal found 7/2$241
Fri 8/226:52 pmIDA - LAX
1 stop3h 58mDelta
Mon 9/16:00 amLAX - IDA
1 stop3h 39mDelta
Deal found 7/2$241
Thu 8/211:17 pmIDA - LAX
2 stops9h 40mAmerican Airlines
Wed 8/2710:33 amLAX - IDA
1 stop9h 45mAmerican Airlines
Deal found 7/1$246

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 July 3, 2025. In the last 7 days, Cheapflights users made a total of 2,558,603 searches

Fly to

Seattle

Route

Depart

Return

Price

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Sun 8/17

5:51 pm-7:39 pm

Nonstop1h 48m

Denver Intl

Sun 8/24

3:24 pm-5:06 pm

Nonstop1h 42m

$84

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Sat 8/16

6:15 am-7:11 am

Nonstop1h 56m

Seattle/Tacoma Intl

Wed 8/20

7:55 pm-10:39 pm

Nonstop1h 44m

$187

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Fri 9/5

4:15 pm-6:03 pm

Nonstop1h 48m

Denver Intl

Sun 9/7

8:00 am-9:47 am

Nonstop1h 47m

$189

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Wed 8/13

6:52 pm-10:20 pm

1 stop4h 28m

Seattle/Tacoma Intl

Tue 8/19

5:30 am-10:39 am

1 stop4h 09m

$197

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Mon 8/11

6:52 pm-10:48 pm

1 stop3h 56m

Denver Intl

Fri 8/29

5:45 am-10:39 am

1 stop4h 54m

$209

Idaho FallsLos Angeles

IDA - LAX

IDALAX

Idaho Falls Fanning Field

Fri 7/18

6:12 pm-10:50 pm

1 stop5h 38m

Los Angeles

Fri 7/25

6:00 am-11:44 am

1 stop4h 44m

$215

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Fri 8/22

10:50 pm-11:43 am

1 stop11h 53m

Chicago O'Hare Intl

Sun 8/24

6:49 pm-10:51 am

1 stop17h 02m

$216

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Thu 8/14

6:15 am-7:11 am

Nonstop1h 56m

Seattle/Tacoma Intl

Thu 8/21

12:31 pm-3:17 pm

Nonstop1h 46m

$238

Idaho FallsLos Angeles

IDA - LAX

IDALAX

Idaho Falls Fanning Field

Thu 8/21

6:13 am-1:03 pm

1 stop7h 50m

Los Angeles

Wed 8/27

7:00 am-3:17 pm

1 stop7h 17m

$240

Idaho FallsSacramento

IDA - SMF

IDASMF

Idaho Falls Fanning Field

Fri 8/29

6:52 pm-10:10 pm

1 stop4h 18m

Sacramento Intl

Sun 9/7

5:30 am-10:39 am

1 stop4h 09m

$241

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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.

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 June 27, 2025.

To ensure you get the cheapest price possible for a flight from Idaho Falls, you should look to book at least 81 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, July is the cheapest month in which you can book a flight from Idaho Falls (average of $119). Flying from Idaho Falls in December will prove the most costly (average of $207). 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 $192
Delta
Delta
From $118
American Airlines
American Airlines
From $221
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 (52 flights per day), Denver (36 flights per day), and Seattle (33 flights per day).

Denver Intl
Denver Intl
From $42
Salt Lake City
Salt Lake City
From $123
Dallas/Fort Worth
Dallas/Fort Worth
From $200
Seattle/Tacoma Intl
Seattle/Tacoma Intl
From $88

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

The cheapest city to fly to from Idaho Falls is Denver Intl, with prices starting at $42. Explore other affordable destinations below.

Denver Intl
Denver Intl
From $42
Portland
Portland
From $46
Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From $54
Seattle/Tacoma Intl
Seattle/Tacoma Intl
From $88

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 July 3, 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 Hawaiian 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

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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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 July 3, 2025.

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

    This month, the top selected destinations from Idaho Falls are Seattle, Denver, Las Vegas. 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 $42 to Denver (prices may vary depending on the airline and departure time). On average, users have booked flights for $368 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 ($54), 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 Denver starting at $1,112
    Fly from Idaho Falls Fanning Field to Salt Lake City starting at $1,126
    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 Denver. Prices start at $435 so you can fly first-class even on a budget.

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

    July is currently the cheapest month to fly from Idaho Falls. At this moment in time December 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 $84 round trip
    Fly from Idaho Falls to Seattle from $197 round trip
    Fly from Idaho Falls to Lihue from $1,044 round trip

See more FAQs

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