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Cheap flights from Idaho Falls to Phoenix from $104

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Phoenix departing on 5/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Idaho Falls to Phoenix

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:17 pm - 4:06 pm
IDA
-
PHX
24h 49m
1 stop
Multiple Airlines Logo
12:15 pm - 9:31 pm
PHX
-
IDA
8h 16m
1 stop
$195Multiple Airlines
Fri, May 1 - Mon, May 4
Multiple Airlines Logo
4:17 pm - 4:06 pm
IDA
-
PHX
24h 49m
1 stop
Multiple Airlines Logo
12:15 pm - 9:31 pm
PHX
-
IDA
8h 16m
1 stop
$212Multiple Airlines
Fri, May 1 - Mon, May 4
Multiple Airlines Logo
10:06 pm - 8:47 pm
IDA
-
PHX
23h 41m
1 stop
Multiple Airlines Logo
6:45 am - 3:27 pm
PHX
-
IDA
7h 42m
1 stop
$233Multiple Airlines
Fri, Apr 3 - Mon, Apr 13
Multiple Airlines Logo
10:21 pm - 12:55 pm
IDA
-
PHX
15h 34m
1 stop
Multiple Airlines Logo
8:07 pm - 3:27 pm
PHX
-
IDA
18h 20m
1 stop
$243Multiple Airlines
Mon, Apr 27 - Thu, Apr 30
Multiple Airlines Logo
10:06 pm - 8:47 pm
IDA
-
PHX
23h 41m
1 stop
Multiple Airlines Logo
6:45 am - 9:31 pm
PHX
-
IDA
13h 46m
2 stops
$259Multiple Airlines
Fri, Apr 3 - Mon, Apr 13
Multiple Airlines Logo
10:21 pm - 11:50 am
IDA
-
PHX
14h 29m
1 stop
Multiple Airlines Logo
8:07 pm - 3:27 pm
PHX
-
IDA
18h 20m
1 stop
$260Multiple Airlines
Fri, Apr 24 - Thu, Apr 30
Multiple Airlines Logo
10:21 pm - 8:10 pm
IDA
-
PHX
22h 49m
2 stops
Multiple Airlines Logo
12:15 pm - 9:31 pm
PHX
-
IDA
8h 16m
1 stop
$267Multiple Airlines
Fri, May 1 - Mon, May 4
Multiple Airlines Logo
10:13 pm - 2:01 pm
IDA
-
PHX
16h 48m
2 stops
Multiple Airlines Logo
6:45 am - 3:12 pm
PHX
-
IDA
7h 27m
1 stop
$268Multiple Airlines
Mon, Mar 30 - Mon, Apr 6
Multiple Airlines Logo
10:13 pm - 4:08 pm
IDA
-
PHX
18h 55m
2 stops
Multiple Airlines Logo
6:45 am - 3:12 pm
PHX
-
IDA
7h 27m
1 stop
$270Multiple Airlines
Mon, Mar 30 - Mon, Apr 6
Multiple Airlines Logo
10:21 pm - 4:45 pm
IDA
-
PHX
19h 24m
2 stops
Multiple Airlines Logo
12:15 pm - 9:31 pm
PHX
-
IDA
8h 16m
1 stop
$275Multiple Airlines
Fri, May 1 - Mon, May 4

American Airlines flights from Idaho Falls to Phoenix Sky Harbor Intl Airport

Our best American Airlines deals on Idaho Falls to Phoenix Sky Harbor Intl Airport flight tickets
American Airlines
Apr 14
IDA7:48 amIdaho Falls Fanning Field
2h 17m
PHX9:05 amPhoenix Sky Harbor Intl
Apr 21
PHX8:32 pmPhoenix Sky Harbor Intl
2h 07m
IDA11:39 pmIdaho Falls Fanning Field
$375
American Airlines
Mar 31
IDA6:05 amIdaho Falls Fanning Field
2h 27m
PHX7:32 amPhoenix Sky Harbor Intl
Apr 4
PHX8:13 pmPhoenix Sky Harbor Intl
2h 11m
IDA11:24 pmIdaho Falls Fanning Field
$443
American Airlines
Mar 31
IDA6:05 amIdaho Falls Fanning Field
2h 27m
PHX7:32 amPhoenix Sky Harbor Intl
Apr 4
PHX6:00 amPhoenix Sky Harbor Intl
6h 48m
1 stop
IDA1:48 pmIdaho Falls Fanning Field
$453

Alaska Airlines flights from Idaho Falls to Phoenix Sky Harbor Intl Airport

Our best Alaska Airlines deals on Idaho Falls to Phoenix Sky Harbor Intl Airport flight tickets
Alaska Airlines
Apr 29
IDA6:00 amIdaho Falls Fanning Field
6h 14m
1 stop
PHX11:14 amPhoenix Sky Harbor Intl
May 6
PHX7:59 pmPhoenix Sky Harbor Intl
18h 30m
1 stop
IDA3:29 pmIdaho Falls Fanning Field
$277
Alaska Airlines
May 4
IDA4:06 pmIdaho Falls Fanning Field
8h 53m
1 stop
PHX11:59 pmPhoenix Sky Harbor Intl
May 7
PHX6:00 amPhoenix Sky Harbor Intl
8h 29m
1 stop
IDA3:29 pmIdaho Falls Fanning Field
$281
Alaska Airlines
May 2
IDA6:00 amIdaho Falls Fanning Field
6h 14m
1 stop
PHX11:14 amPhoenix Sky Harbor Intl
May 9
PHX5:00 amPhoenix Sky Harbor Intl
16h 40m
1 stop
IDA10:40 pmIdaho Falls Fanning Field
$290

momondo Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Phoenix Sky Harbor Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 17, 2026.
Use the filters below to find and compare flights from Idaho Falls to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Fri 5/1

4:17 pm-4:06 pm

1 stop24h 49m

Phoenix Sky Harbor Intl

Mon 5/4

12:15 pm-9:31 pm

1 stop8h 16m

$195

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Fri 5/1

4:17 pm-4:06 pm

1 stop24h 49m

Phoenix Sky Harbor Intl

Mon 5/4

12:15 pm-9:31 pm

1 stop8h 16m

$212

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Fri 4/3

10:06 pm-8:47 pm

1 stop23h 41m

Phoenix Sky Harbor Intl

Mon 4/13

6:45 am-3:27 pm

1 stop7h 42m

$233

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Mon 4/27

10:21 pm-12:55 pm

1 stop15h 34m

Phoenix Sky Harbor Intl

Thu 4/30

8:07 pm-3:27 pm

1 stop18h 20m

$243

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Fri 4/3

10:06 pm-8:47 pm

1 stop23h 41m

Phoenix Sky Harbor Intl

Mon 4/13

6:45 am-9:31 pm

2 stops13h 46m

$259

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Fri 4/24

10:21 pm-11:50 am

1 stop14h 29m

Phoenix Sky Harbor Intl

Thu 4/30

8:07 pm-3:27 pm

1 stop18h 20m

$260

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Fri 5/1

10:21 pm-8:10 pm

2 stops22h 49m

Phoenix Sky Harbor Intl

Mon 5/4

12:15 pm-9:31 pm

1 stop8h 16m

$267
Quickest round-trip

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Mon 3/30

10:13 pm-2:01 pm

2 stops16h 48m

Phoenix Sky Harbor Intl

Mon 4/6

6:45 am-3:12 pm

1 stop7h 27m

$268

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Mon 3/30

10:13 pm-4:08 pm

2 stops18h 55m

Phoenix Sky Harbor Intl

Mon 4/6

6:45 am-3:12 pm

1 stop7h 27m

$270

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Fri 5/1

10:21 pm-4:45 pm

2 stops19h 24m

Phoenix Sky Harbor Intl

Mon 5/4

12:15 pm-9:31 pm

1 stop8h 16m

$275

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Phoenix from

How to get the cheapest flight ticket from Idaho Falls to Phoenix Sky Harbor Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Idaho Falls and Phoenix Sky Harbor Intl Airport?

What is the cheapest month to fly to Phoenix Sky Harbor Intl Airport?

In general, September is the cheapest month to fly from Idaho Falls to Phoenix Sky Harbor Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $215. If you are unable to visit Phoenix Sky Harbor Intl Airport during the month of September, then departing from Idaho Falls during the month August is also very affordable. Most momondo users find prices during this month for around $324.

What is the cheapest day to depart on your flight to Phoenix Sky Harbor Intl Airport?

On average, the least expensive day to fly to Phoenix Sky Harbor Intl Airport from Idaho Falls is on a Saturday. momondo users have found tickets for Saturday departures for as low as $494. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $581. These prices are subject to change though, so be sure to set up a Price Alert for flights to Phoenix Sky Harbor Intl Airport.

What is the cheapest time of day to depart on your flight to Phoenix Sky Harbor Intl Airport?

In the afternoon is the cheapest time of day to fly from Idaho Falls to Phoenix Sky Harbor Intl Airport when you can find flight prices for as low as $174. Flying to Phoenix Sky Harbor Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $487. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Idaho Falls Fanning Field to Phoenix Sky Harbor Intl flight route?

Fly from Idaho Falls Fanning Field to Phoenix Sky Harbor Intl for the best Idaho Falls Fanning Field - Phoenix Sky Harbor Intl flight prices

What cabin class options are available on Idaho Falls Fanning Field to Phoenix Sky Harbor Intl flights?

There are 2 cabin classes available to choose from on Idaho Falls Fanning Field to Phoenix Sky Harbor Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Idaho Falls to Phoenix Sky Harbor Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Idaho Falls to Phoenix Sky Harbor Intl Airport.

How have Idaho Falls to Phoenix Sky Harbor Intl Airport flight prices changed over time?

As of March 2026, prices for Idaho Falls to Phoenix Sky Harbor Intl Airport flights are approximately 43% more expensive when compared to flights at the same time last year.

When to book flights from Idaho Falls to Phoenix Sky Harbor Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Idaho Falls to Phoenix Sky Harbor Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Idaho Falls to Phoenix Sky Harbor Intl Airport (IDA to PHX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to Phoenix Sky Harbor Intl Airport

Best Price Found

$285

Fastest flight time

2h 17m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun
The best one-way flight to Phoenix Sky Harbor Intl Airport from Idaho Falls in the past 72 hours is $285. The best round-trip flight deal from Idaho Falls to Phoenix Sky Harbor Intl Airport found on momondo in the last 72 hours is $481.
The fastest flight from Idaho Falls to Phoenix Sky Harbor Intl Airport takes 2h 17m
Direct flights go from Idaho Falls to Phoenix Sky Harbor Intl Airport on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
Search flight deals

  • How far is Idaho Falls Fanning Field to Phoenix Sky Harbor Intl by plane?

    A flight from Idaho Falls Fanning Field to Phoenix Sky Harbor Intl will travel around 692.6 mi. By plane, this route typically takes 2h 17m.

  • When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Phoenix Sky Harbor Intl Airport?

    Prices for flights from Idaho Falls Fanning Field Airport to Phoenix Sky Harbor Intl Airport are updated daily.

  • How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to Phoenix Sky Harbor Intl Airport?

  • How old do you have to be to fly from Idaho Falls Fanning Field Airport to Phoenix Sky Harbor Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Phoenix Sky Harbor Intl Airport.

  • What documentation or ID do you need to fly to Phoenix Sky Harbor Intl Airport?

    The travel and health documents required for your trip to Phoenix Sky Harbor Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Phoenix Sky Harbor Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Idaho Falls to Phoenix Sky Harbor Intl Airport?

  • What is the most popular airline from Idaho Falls to Phoenix Sky Harbor Intl Airport?

Best airlines flying from Idaho Falls to Phoenix Sky Harbor Intl Airport

Compare and see reviews for airlines that fly from Idaho Falls to Phoenix Sky Harbor Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $104Free CancellationRating
7.3
712 reviews
Search Allegiant Air flights
United AirlinesPriceFrom $280Free CancellationRating
7.4
9,431 reviews
Search United Airlines flights
American AirlinesPriceFrom $291Free CancellationRating
7.1
11,468 reviews
Search American Airlines flights
DeltaPriceFrom $308Free CancellationRating
7.9
8,288 reviews
Search Delta flights

  • American Airlines Flights From Idaho Falls to Phoenix Sky Harbor Intl Airport

    American Airlines flies from Idaho Falls to Phoenix Sky Harbor Intl Airport around 7 times per week, with 11,468 momondo users rating the airline 7.1/10. The cheapest American Airlines deal from Idaho Falls to Phoenix Sky Harbor Intl Airport in the last 72 hours was $291 (round-trip), much lower than the average airfare cost of $411 for American Airlines flights on this route.

Traveling to a place near Phoenix?

Book flights to Phoenix if you plan to visit one of these locations
Scottsdale
Mesa
Tempe
Chandler
Glendale
Gilbert
Casa Grande
Surprise
Goodyear
Peoria
Payson
Buckeye
Paradise Valley
Apache Junction
Avondale
Camp Verde
Wickenburg
Litchfield Park
Guadalupe
Fountain Hills

Why use momondo?

Why should I use momondo to find a flight deal from Idaho Falls to Phoenix?

It is quick and easy to find Idaho Falls to Phoenix flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Phoenix that suits you.

Can I find flights from Idaho Falls to Phoenix with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Phoenix from Idaho Falls with this policy.

How can momondo help me find flights from Idaho Falls to Phoenix?

Once all potential Idaho Falls to Phoenix flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Idaho Falls to Phoenix right now. Can momondo alert me if prices change?

Price alerts on flights to Phoenix from Idaho Falls are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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