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Cheap flights from Idaho Falls to Phoenix Sky Harbor Intl Airport from $143

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 Sky Harbor Intl Airport departing on 4/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Idaho Falls to Phoenix

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Idaho Falls to Phoenix.
Delta Logo
6:55 pm - 11:33 pmIDA-PHX
5h 38m1 stop
Delta Logo
6:00 am - 12:26 pmPHX-IDA
5h 26m1 stop
$285Delta
Find Deal
Wed, Apr 23 - Wed, Apr 30
Alaska Airlines Logo
4:35 pm - 11:59 pmIDA-PHX
8h 24m1 stop
Alaska Airlines Logo
7:00 am - 3:58 pmPHX-IDA
7h 58m1 stop
$303Alaska Airlines
Find Deal
Tue, Apr 22 - Wed, Apr 30
Delta Logo
6:55 pm - 11:33 pmIDA-PHX
5h 38m1 stop
Delta Logo
5:19 pm - 10:56 pmPHX-IDA
4h 37m1 stop
$313Delta
Find Deal
Wed, Apr 23 - Thu, May 1
Delta Logo
1:10 pm - 10:32 pmIDA-PHX
10h 22m2 stops
Delta Logo
6:00 am - 12:26 pmPHX-IDA
5h 26m1 stop
$314Delta
Find Deal
Wed, Apr 23 - Tue, Apr 29
Alaska Airlines Logo
4:35 pm - 11:59 pmIDA-PHX
8h 24m1 stop
Alaska Airlines Logo
3:08 pm - 10:36 pmPHX-IDA
6h 28m1 stop
$338Alaska Airlines
Find Deal
Tue, Apr 22 - Thu, May 1
American Airlines Logo
7:43 am - 8:58 amIDA-PHX
2h 15mnonstop
American Airlines Logo
7:05 pm - 10:10 pmPHX-IDA
2h 05mnonstop
$361American Airlines
Find Deal
Sun, Apr 27 - Sun, May 4
Hawaiian Airlines Logo
4:20 pm - 10:49 pmIDA-PHX
7h 29m1 stop
Hawaiian Airlines Logo
6:00 am - 3:40 pmPHX-IDA
8h 40m1 stop
$374Hawaiian Airlines
Find Deal
Fri, May 16 - Mon, May 19
United Airlines Logo
4:15 pm - 8:30 pmIDA-PHX
5h 15m1 stop
United Airlines Logo
9:51 am - 3:21 pmPHX-IDA
4h 30m1 stop
$388United Airlines
Find Deal
Wed, Apr 23 - Sat, Apr 26
United Airlines Logo
4:15 pm - 8:30 pmIDA-PHX
5h 15m1 stop
United Airlines Logo
9:51 am - 3:21 pmPHX-IDA
4h 30m1 stop
$421United Airlines
Find Deal
Fri, Apr 25 - Sat, Apr 26
American Airlines Logo
12:59 pm - 7:43 pmIDA-PHX
7h 44m1 stop
American Airlines Logo
7:05 pm - 10:10 pmPHX-IDA
2h 05mnonstop
$481American Airlines
Find Deal
Fri, Apr 25 - Mon, Apr 28

Delta flights from Idaho Falls to Phoenix Sky Harbor Intl Airport

Our best Delta deals on Idaho Falls to Phoenix Sky Harbor Intl Airport flight tickets
Delta
Apr 23
IDA6:55 pmIdaho Falls Fanning Field
5h 38m
1 stop
PHX11:33 pmPhoenix Sky Harbor Intl
Apr 30
PHX6:00 amPhoenix Sky Harbor Intl
5h 26m
1 stop
IDA12:26 pmIdaho Falls Fanning Field
Delta
Apr 23
IDA6:55 pmIdaho Falls Fanning Field
5h 38m
1 stop
PHX11:33 pmPhoenix Sky Harbor Intl
May 1
PHX5:19 pmPhoenix Sky Harbor Intl
4h 37m
1 stop
IDA10:56 pmIdaho Falls Fanning Field
Delta
Apr 23
IDA1:10 pmIdaho Falls Fanning Field
10h 22m
2 stops
PHX10:32 pmPhoenix Sky Harbor Intl
Apr 29
PHX6:00 amPhoenix Sky Harbor Intl
5h 26m
1 stop
IDA12:26 pmIdaho Falls Fanning Field

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 22
IDA4:35 pmIdaho Falls Fanning Field
8h 24m
1 stop
PHX11:59 pmPhoenix Sky Harbor Intl
Apr 30
PHX7:00 amPhoenix Sky Harbor Intl
7h 58m
1 stop
IDA3:58 pmIdaho Falls Fanning Field
Alaska Airlines
Apr 22
IDA4:35 pmIdaho Falls Fanning Field
8h 24m
1 stop
PHX11:59 pmPhoenix Sky Harbor Intl
May 1
PHX3:08 pmPhoenix Sky Harbor Intl
6h 28m
1 stop
IDA10:36 pmIdaho Falls Fanning Field
Alaska Airlines
Apr 26
IDA6:00 amIdaho Falls Fanning Field
5h 52m
1 stop
PHX10:52 amPhoenix Sky Harbor Intl
Apr 29
PHX9:00 amPhoenix Sky Harbor Intl
12h 36m
2 stops
IDA10:36 pmIdaho Falls Fanning Field

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 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 $168. 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 $288.

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 Tuesday. momondo users have found tickets for Tuesday departures for as low as $571. 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 Monday because tickets tend to average around $646. 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 $167. 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 $588. 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

How far in advance should I book a flight to Phoenix Sky Harbor Intl Airport?

You are more likely to see cheaper flights to Phoenix Sky Harbor Intl Airport from Idaho Falls when booking 13 weeks ahead of your departure date. In general, you can expect to find flights to Phoenix Sky Harbor Intl Airport for around $409 when searching 13 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix Sky Harbor Intl Airport from Idaho Falls for as low as $290 on momondo.

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

There are 4 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.

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

As of April 2025, prices for Idaho Falls to Phoenix Sky Harbor Intl Airport flights are approximately 34% 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

$143

Fastest flight time

2h 15m

Direct flights

Mon, Tue, Thu, Fri and Sat
The best one-way flight to Phoenix Sky Harbor Intl Airport from Idaho Falls in the past 72 hours is $143. The best round-trip flight deal from Idaho Falls to Phoenix Sky Harbor Intl Airport found on momondo in the last 72 hours is $285.
The fastest flight from Idaho Falls to Phoenix Sky Harbor Intl Airport takes 2h 15m
Direct flights go from Idaho Falls to Phoenix Sky Harbor Intl Airport on Monday, Tuesday, Thursday, Friday and Saturday. The only airline offering direct flights is American Airlines.

  • 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 15m.

  • 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 $133Free CancellationRating
7.3
732 reviews
Search Allegiant Air flights
American AirlinesPriceFrom $233Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $288Free CancellationRating
8.0
7,897 reviews
Search Delta flights
Alaska AirlinesPriceFrom $293Free CancellationRating
8.0
9,835 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $409Free CancellationRating
7.4
8,619 reviews
Search United Airlines 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 10,000 momondo users rating the airline 7.2/10. The cheapest American Airlines deal from Idaho Falls to Phoenix Sky Harbor Intl Airport in the last 72 hours was $233 (round-trip), much lower than the average airfare cost of $544 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
Surprise
Peoria
Casa Grande
Wickenburg
Apache Junction
Payson
Goodyear
Buckeye
Paradise Valley
Avondale
Camp Verde
Fountain Hills
Cave Creek
Litchfield Park

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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