Cheap flights from Idaho Falls (IDA) from $70

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Fly to

Route

Depart

Return

Price

Cheapest one-way

Quickest one-way

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Mon 8/17

3:55 pm-4:36 pm

Nonstop1h 41m

$49

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Mon 8/17

10:54 pm-11:37 pm

Nonstop1h 43m

$54

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Mon 8/17

10:54 pm-6:00 pm

1 stop19h 06m

$97

Idaho FallsLos Angeles

IDA - LAX

IDALAX

Idaho Falls Fanning Field

Mon 9/28

6:21 pm-7:47 am

1 stop14h 26m

$105

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Wed 9/2

7:00 pm-10:05 pm

1 stop4h 05m

$124

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Wed 9/2

7:00 pm-10:05 pm

1 stop4h 05m

$124

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Wed 9/2

2:01 pm-7:50 pm

1 stop6h 49m

$129

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Mon 11/16

3:54 pm-4:47 pm

Nonstop1h 53m

$129

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 9/11

4:04 pm-8:51 pm

1 stop5h 47m

$151

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Thu 9/10

4:04 pm-8:51 pm

1 stop5h 47m

$161

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Where can I directly fly to from Idaho Falls?

Currently, 5 destinations can be reached directly via flights from Idaho Falls.

Flights from Idaho Falls to

Denver

from$198

Flights from Idaho Falls to

Las Vegas

from$53

Flights from Idaho Falls to

Portland

from$80

Flights from Idaho Falls to

Santa Ana, California

from$96

Flights from Idaho Falls to

Seattle

from$180

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.

3:55 pm - 4:36 pm

IDA

PDX

1h 41mnonstop

$49Allegiant Air

Mon, Aug 17

10:54 pm - 11:37 pm

IDA

LAS

1h 43mnonstop

$54Allegiant Air

Mon, Aug 17

10:54 pm - 6:00 pm

IDA

DEN

19h 06m

1 stop

$97Multiple Airlines

Mon, Aug 17

6:21 pm - 7:47 am

IDA

LAX

14h 26m

1 stop

$105Multiple Airlines

Mon, Sep 28

7:00 pm - 10:05 pm

IDA

SEA

4h 05m

1 stop

$124Delta

Wed, Sep 2

7:00 pm - 10:05 pm

IDA

SEA

4h 05m

1 stop

$124Delta

Wed, Sep 2

2:01 pm - 7:50 pm

IDA

PDX

6h 49m

1 stop

$129Alaska Airlines

Wed, Sep 2

3:54 pm - 4:47 pm

IDA

PDX

1h 53mnonstop

$129Alaska Airlines

Mon, Nov 16

4:04 pm - 8:51 pm

IDA

LAS

5h 47m

1 stop

$151United Airlines

Fri, Sep 11

4:04 pm - 8:51 pm

IDA

LAS

5h 47m

1 stop

$161United Airlines

Thu, Sep 10

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 $53. The next cheapest destinations are Portland, Phoenix, Santa Ana, 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 Alaska Airlines, American Airlines, and Allegiant Air. For example, Alaska Airlines flights from Idaho Falls to Portland, start at $81, American Airlines flights from Idaho Falls to Las Vegas cost around $88, and Allegiant Air flights from Idaho Falls to Phoenix-Mesa Gateway Airport are around $115.

What is the cheapest flight available from Idaho Falls?

Currently, the cheapest flight from Idaho Falls found by our users is for $53 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 $101 to travel from Idaho Falls to Las Vegas.

Which destinations have the most frequent flights from Idaho Falls?

Salt Lake City, Denver and Dallas/Fort Worth Airport are currently the destinations served most frequently from Idaho Falls, with 8, 5 and 5 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 July 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.