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Idaho Falls

$46+ 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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Cheapest one-way flight

$119

Cheapest round-trip flight

$51

Cheapest airline

Allegiant Air

Most popular destination

Denver Intl (DEN)

Good round-trip deal

$86 or less

Good one-way deal

$56 or less
The cheapest one-way flight from Idaho Falls Fanning Field is currently to Seattle/Tacoma Intl.
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The cheapest round-trip flight from Idaho Falls Fanning Field is currently to Portland.
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On average, Allegiant Air currently has the cheapest one-way flight from Idaho Falls Fanning Field (avg. price of $211).
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Denver Intl (DEN) is currently the most popular flight destination from Idaho Falls Fanning Field (average round-trip price of $276).
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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 June 12, 2025.

Mon 7/216:12 pmIDA - LAS
Nonstop1h 42mAllegiant Air
Fri 7/258:56 amLAS - IDA
Nonstop1h 48mAllegiant Air
Deal found 6/12$68
Thu 7/35:49 pmIDA - DEN
Nonstop1h 48mAllegiant Air
Thu 7/243:20 pmDEN - IDA
Nonstop1h 44mAllegiant Air
Deal found 6/11$84
Fri 9/124:55 pmIDA - SNA
Nonstop2h 10mAllegiant Air
Mon 9/155:39 pmSNA - IDA
Nonstop2h 10mAllegiant Air
Deal found 6/10$90
Mon 9/89:39 pmIDA - SNA
1 stop13h 22mMultiple Airlines
Mon 9/155:39 pmSNA - IDA
Nonstop2h 10mMultiple Airlines
Deal found 6/11$137
Mon 7/217:23 pmIDA - LAS
1 stop13h 12mMultiple Airlines
Fri 7/258:56 amLAS - IDA
Nonstop1h 48mMultiple Airlines
Deal found 6/12$137
Fri 8/156:03 pmIDA - DEN
Nonstop1h 42mUnited Airlines
Mon 8/189:05 pmDEN - IDA
Nonstop1h 46mUnited Airlines
Deal found 6/10$189
Mon 7/286:12 pmIDA - SAN
1 stop16h 43mMultiple Airlines
Mon 8/410:55 amSAN - IDA
1 stop6h 38mMultiple Airlines
Deal found 6/11$204
Fri 9/264:03 pmIDA - SEA
Nonstop1h 56mMultiple Airlines
Tue 9/3012:37 pmSEA - IDA
Nonstop1h 46mMultiple Airlines
Deal found 6/11$206
Tue 9/26:13 amIDA - SEA
Nonstop1h 57mAlaska Airlines
Sat 9/67:55 pmSEA - IDA
Nonstop1h 44mAlaska Airlines
Deal found 6/9$207
Fri 8/16:00 amIDA - DEN
1 stop3h 24mDelta
Sat 8/97:10 amDEN - IDA
1 stop3h 24mDelta
Deal found 6/12$209
Thu 8/146:52 pmIDA - SEA
1 stop6h 14mDelta
Tue 8/195:45 pmSEA - IDA
1 stop3h 42mDelta
Deal found 6/10$227
Tue 10/146:13 amIDA - SNA
1 stop6h 39mAlaska Airlines
Thu 10/233:05 pmSNA - IDA
1 stop6h 33mAlaska Airlines
Deal found 6/10$240

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 June 12, 2025. In the last 7 days, Cheapflights users made a total of 2,558,603 searches

Fly to

Seattle

Route

Depart

Return

Price

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 9/12

10:55 pm-11:39 pm

Nonstop1h 44m

Las Vegas Harry Reid Intl

Fri 9/19

1:16 pm-4:05 pm

Nonstop1h 49m

$76

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Thu 7/3

5:49 pm-7:37 pm

Nonstop1h 48m

Denver Intl

Thu 7/24

3:20 pm-5:04 pm

Nonstop1h 44m

$84

Idaho FallsSanta Ana

IDA - SNA

IDASNA

Idaho Falls Fanning Field

Fri 9/12

4:55 pm-6:05 pm

Nonstop2h 10m

Santa Ana J. Wayne/Orange Cnty

Mon 9/15

5:39 pm-8:49 pm

Nonstop2h 10m

$90

Idaho FallsSanta Ana

IDA - SNA

IDASNA

Idaho Falls Fanning Field

Mon 9/8

9:39 pm-10:01 am

1 stop13h 22m

Santa Ana J. Wayne/Orange Cnty

Mon 9/15

5:39 pm-8:49 pm

Nonstop2h 10m

$137

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Mon 7/21

7:23 pm-7:35 am

1 stop13h 12m

Las Vegas Harry Reid Intl

Fri 7/25

8:56 am-11:44 am

Nonstop1h 48m

$137

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Fri 8/15

6:03 pm-7:45 pm

Nonstop1h 42m

Denver Intl

Mon 8/18

9:05 pm-10:51 pm

Nonstop1h 46m

$189

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Mon 7/28

6:12 pm-9:55 am

1 stop16h 43m

San Diego

Mon 8/4

10:55 am-6:33 pm

1 stop6h 38m

$204

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Tue 9/2

6:13 am-7:10 am

Nonstop1h 57m

Seattle/Tacoma Intl

Sat 9/6

7:55 pm-10:39 pm

Nonstop1h 44m

$207

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Fri 8/1

6:00 am-9:24 am

1 stop3h 24m

Denver Intl

Sat 8/9

12:50 pm-6:11 pm

1 stop5h 21m

$209

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Tue 9/2

3:00 pm-7:00 pm

1 stop5h 00m

Seattle/Tacoma Intl

Sat 9/6

9:40 am-2:19 pm

1 stop3h 39m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 9, 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 $199
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 (71 flights per day), Denver (40 flights per day), and Seattle (35 flights per day).

Denver Intl
Denver Intl
From $127
Salt Lake City
Salt Lake City
From $137
Seattle/Tacoma Intl
Seattle/Tacoma Intl
From $119
Dallas/Fort Worth
Dallas/Fort Worth
From $200

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 $49. Explore other affordable destinations below.

Portland
Portland
From $49
Oakland
Oakland
From $49
Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From $54
Phoenix Sky Harbor Intl
Phoenix Sky Harbor 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 June 12, 2025. In the last 7 days, Cheapflights users made a total of 2,558,603 searches.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

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

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

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
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

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 June 12, 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, Portland. 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 $49 to Portland (prices may vary depending on the airline and departure time). On average, users have booked flights for $299 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 $733
    Fly from Idaho Falls Fanning Field to Salt Lake City starting at $760
    Fly from Idaho Falls Fanning Field to Denver starting at $1,112
    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 $448 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 $206 round trip
    Fly from Idaho Falls to Dallas from $284 round trip

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