Cheap flights from Idaho Falls (IDA) from $79

1 adult

0 bags

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Fly to

Route

Depart

Return

Price

Cheapest one-way

Quickest one-way

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 5/15

10:21 pm-11:02 pm

Nonstop1h 41m

$53

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 5/8

10:21 pm-11:02 pm

Nonstop1h 41m

$55

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Wed 6/3

4:03 pm-4:50 pm

Nonstop1h 47m

$99

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Mon 5/18

4:03 pm-4:50 pm

Nonstop1h 47m

$109

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Fri 5/15

6:54 pm-11:44 pm

1 stop5h 50m

$114

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Fri 5/15

6:54 pm-12:12 am

1 stop6h 18m

$165

Idaho FallsOrlando

IDA - MCO

IDAMCO

Idaho Falls Fanning Field

Fri 5/29

2:30 pm-11:41 pm

1 stop7h 11m

$185

Idaho FallsNewark

IDA - EWR

IDAEWR

Idaho Falls Fanning Field

Sat 9/5

2:30 pm-11:43 pm

1 stop7h 13m

$209

Idaho FallsSanta Ana

IDA - SNA

IDASNA

Idaho Falls Fanning Field

Fri 5/1

7:48 am-11:37 am

1 stop4h 49m

$215

Idaho FallsOrlando

IDA - MCO

IDAMCO

Idaho Falls Fanning Field

Tue 6/23

2:14 pm-11:25 pm

1 stop7h 11m

$261

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Where can I directly fly to from Idaho Falls?

Currently, 3 destinations can be reached directly via flights from Idaho Falls.

Flights from Idaho Falls to

Las Vegas

from$55

Flights from Idaho Falls to

Portland

from$68

Flights from Idaho Falls to

Santa Ana, California

from$56

Find the cheapest flights from Idaho Falls

One-way

Last minute

International

Domestic

Cheap one-way flights from Idaho Falls

Enter your travel dates to find the best prices.

10:21 pm - 11:02 pm

IDA

LAS

1h 41mnonstop

$53Allegiant Air

Fri, May 15

10:21 pm - 11:02 pm

IDA

LAS

1h 41mnonstop

$55Allegiant Air

Fri, May 8

4:03 pm - 4:50 pm

IDA

PDX

1h 47mnonstop

$99Alaska Airlines

Wed, Jun 3

4:03 pm - 4:50 pm

IDA

PDX

1h 47mnonstop

$109Alaska Airlines

Mon, May 18

6:54 pm - 11:44 pm

IDA

PDX

5h 50m

1 stop

$114Delta

Fri, May 15

6:54 pm - 12:12 am

IDA

SEA

6h 18m

1 stop

$165Delta

Fri, May 15

2:30 pm - 11:41 pm

IDA

MCO

7h 11m

1 stop

$185United Airlines

Fri, May 29

2:30 pm - 11:43 pm

IDA

EWR

7h 13m

1 stop

$209United Airlines

Sat, Sep 5

7:48 am - 11:37 am

IDA

SNA

4h 49m

1 stop

$215American Airlines

Fri, May 1

2:14 pm - 11:25 pm

IDA

MCO

7h 11m

1 stop

$261American Airlines

Tue, Jun 23

Flights from Idaho Falls - Travel Insights & Trends

Get data-powered insights and trends into flights from Idaho Falls to help you craft the best travel plan.

Prices

Other information

What are the cheapest cities to fly to from Idaho Falls?

The cheapest city to fly to from Idaho Falls currently is Las Vegas at $55. The next cheapest destinations are Santa Ana, Portland, Phoenix, Salt Lake City and Chicago.

Frequently asked questions regarding flights from Idaho Falls

Which airlines are currently offering the cheapest flights from Idaho Falls?

Our data suggests that currently, the cheapest flights from Idaho Falls are being offered by Allegiant Air, Alaska Airlines, and American Airlines. For example, Allegiant Air flights from Idaho Falls to Denver, start at $43, Alaska Airlines flights from Idaho Falls to Portland cost around $55, and American Airlines flights from Idaho Falls to Las Vegas are around $86.

What is the cheapest flight available from Idaho Falls?

Currently, the cheapest flight from Idaho Falls found by our users is for $55 to Las Vegas. Prices will vary according to several factors such as the departure date and time, but on average you can expect to pay around $132 to travel from Idaho Falls to Las Vegas.

Which destinations have the most frequent flights from Idaho Falls?

Salt Lake City, Denver and Seattle are currently the destinations served most frequently from Idaho Falls, with 8, 3 and 2 flights per day on average, respectively.

Which airlines can you fly with from Idaho Falls?

Airlines including American Airlines, United Airlines and Alaska Airlines frequently fly from Idaho Falls. You can view other airlines by performing a quick search in the form above.

When did momondo last update prices for flights from Idaho Falls Fanning Field Airport?

Prices for flights from Idaho Falls Fanning Field Airport refresh daily.

How many operators does momondo search for flights from Idaho Falls Fanning Field Airport?

The number of operators available for flights from Idaho Falls Fanning Field Airport is 7 as of April 2026.

How old do you have to be to fly from Idaho Falls Fanning Field Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho Falls Fanning Field Airport.

What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

The required travel and health documents for your Idaho Falls Fanning Field Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.