Cheap Flights from Idaho Falls to Phoenix from $157

Compare Idaho Falls to Phoenix flight deals

Find the cheapest month or even day of the year to fly to Phoenix

Book the best Phoenix fare with no extra fees

Flight deals from Idaho Falls to Phoenix

Looking for a cheap last-minute deal or the best return flight from Idaho Falls Airport to Phoenix? If you want to travel next month, return fares start from $253. Find the lowest prices on one-way and return tickets right here.

Phoenix.$157 per passenger.Departing Tue, 30 Jun, returning Mon, 13 Jul.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Idaho Falls on Tue, 30 Jun, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Mon, 13 Jul, arriving in Idaho Falls.Price includes taxes and charges.From $157, select.

Phoenix.$157 per passenger.Departing Fri, 3 Jul, returning Mon, 13 Jul.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Idaho Falls on Fri, 3 Jul, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Mon, 13 Jul, arriving in Idaho Falls.Price includes taxes and charges.From $157, select.

Phoenix.$190 per passenger.Departing Fri, 19 Jun, returning Sun, 21 Jun.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Idaho Falls on Fri, 19 Jun, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sun, 21 Jun, arriving in Idaho Falls.Price includes taxes and charges.From $190, select.

Phoenix.$212 per passenger.Departing Fri, 31 Jul, returning Thu, 6 Aug.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Idaho Falls on Fri, 31 Jul, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Thu, 6 Aug, arriving in Idaho Falls.Price includes taxes and charges.From $212, select.

Phoenix.$226 per passenger.Departing Mon, 10 Aug, returning Fri, 14 Aug.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Idaho Falls on Mon, 10 Aug, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Fri, 14 Aug, arriving in Idaho Falls.Price includes taxes and charges.From $226, select.

Phoenix.$230 per passenger.Departing Fri, 22 May, returning Fri, 5 Jun.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Idaho Falls on Fri, 22 May, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Fri, 5 Jun, arriving in Idaho Falls.Price includes taxes and charges.From $230, select.

Phoenix.$246 per passenger.Departing Wed, 21 Oct, returning Fri, 23 Oct.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Idaho Falls on Wed, 21 Oct, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Fri, 23 Oct, arriving in Idaho Falls.Price includes taxes and charges.From $246, select.

Phoenix.$253 per passenger.Departing Fri, 22 May, returning Fri, 29 May.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Idaho Falls on Fri, 22 May, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Fri, 29 May, arriving in Idaho Falls.Price includes taxes and charges.From $253, select.

Phoenix.$435 per passenger.Departing Thu, 23 Apr, returning Thu, 14 May.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Idaho Falls on Thu, 23 Apr, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Thu, 14 May, arriving in Idaho Falls.Price includes taxes and charges.From $435, select.

Phoenix.$505 per passenger.Departing Sun, 19 Apr, returning Thu, 30 Apr.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Idaho Falls on Sun, 19 Apr, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Thu, 30 Apr, arriving in Idaho Falls.Price includes taxes and charges.From $505, select.

Find the cheapest month to fly from Idaho Falls to Phoenix

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Idaho Falls to Phoenix flights are currently cheapest in July.

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Direct flights from Idaho Falls to Phoenix

Alternative Idaho Falls to Phoenix routes

Looking for the cheapest, fastest or easiest route from Idaho Falls to Phoenix? You could fly into the following airports instead.

Idaho Falls to Phoenix: Flight information

The things to know before you go.

Cheapest flight found	$157
Cheapest month to fly	June
Average flight time	2 hrs, 12 mins
Most popular airline	Allegiant Air
Average flights per week	29

Finding cheap flights from Idaho Falls to Phoenix: Frequently asked questions

How many airports are there in Phoenix?

There are 4 airports in Phoenix: Phoenix Sky Harbor, Phoenix Scottsdale Municipal, Phoenix-Deer Valley, and Phoenix-Mesa Gateway.

How much are return flights from Idaho Falls to Phoenix?

The best price we found for a return flight from Idaho Falls to Phoenix is $157. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Idaho Falls to Phoenix?

2 hours and 12 minutes is the average flight time from Idaho Falls to Phoenix.

Which airlines fly direct from Idaho Falls to Phoenix?

Allegiant Air, SkyWest Airlines and American Airlines fly direct from Idaho Falls to Phoenix.

How many flights are there a week from Idaho Falls to Phoenix?

As of April 2026, there are 60 flights per week flying from Idaho Falls to Phoenix.

When is the cheapest time to fly from Idaho Falls to Phoenix?

The cheapest month to fly from Idaho Falls to Phoenix is usually June.

Which is the cheapest airport to fly into in Phoenix?

If you're flying from Idaho Falls Airport, the cheapest airport near Phoenix is Phoenix-Mesa Gateway – which is 41.9 km away from the centre of Phoenix. We've found flights into this airport from $157.

Which upcoming date is cheapest to fly from Idaho Falls Airport to Phoenix on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Idaho Falls Airport to Phoenix on Tuesday, 30 June 2026.

Can I get a direct flight from Idaho Falls Airport to Phoenix?

Yes – the average flight time is 2 hours and 12 minutes.

How can I get the best flight deal from Idaho Falls Airport to Phoenix?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Phoenix but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Phoenix?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Phoenix is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Phoenix?

In April, the average temperature is usually around 20°C. July is typically the warmest month in Phoenix, when it usually averages around 40°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 4°C. The rainiest month is August.

Which is the cheapest airline to fly from Idaho Falls Airport to Phoenix with?

Currently, Allegiant Air offers the cheapest flight tickets to Phoenix.

Flying from Idaho Falls Regional Airport (IDA) to Phoenix: what you need to know

The average length of a direct flight from Idaho Falls Regional Airport to Phoenix is 2 hours 10 minutes.
The timezone in Phoenix is UTC-7. The city is one hour behind Idaho Falls, where Idaho Falls Regional Airport is located.
With three flights a week between the two airports, Idaho Falls Regional Airport (IDA) to Phoenix Sky Harbour International Airport (PHX) is the busiest route. American Airlines operates the earliest flight at 05:30. If you'd like to make the most of your day before you fly, the latest departure from IDA to PHX is with American Airlines at 08:23.
Give yourself plenty of time to get on your IDA to Phoenix flight. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.
If you're flying during a bank holiday or another peak period, give yourself more time. A good rule is two hours ahead of domestic flights and up to four hours before international departures. Check-in and security lines will be longer.
Direct Idaho Falls Regional Airport to Phoenix tickets are available for booking. Phoenix Sky Harbour International Airport (PHX) is where you'll complete your journey.
Book your favourite seat with American Airlines. This leading carrier offers direct flights from Idaho Falls Regional Airport to Phoenix.
Located around 3 kilometres from central Idaho Falls, IDA can be reached in about 10 minutes by car. Travelling on public transport will take roughly 1 hour.
Booked an early flight from Idaho Falls Regional Airport to Phoenix? Avoid the hassle of rushing to the terminal (and catch some extra z's) by choosing one of these stays close to IDA:
Idaho Falls Regional Airport maintains a strong on-time record, so you're less likely to experience disruptions. Departures from IDA arrive at their destination as scheduled 80.03% of the time.
You'll find IDA at 2140 North Skyline.

How to find the cheapest flights from Idaho Falls Regional Airport (IDA) to Phoenix

$78 is the lowest price we've seen for a one-way Idaho Falls Regional Airport to Phoenix flight. A return ticket right now is $157. Depending on the availability and when you book, these fares may change.
To pick up cheap flights from IDA to Phoenix, reserve your trip one month ahead of your departure date.
The best month for landing cheap Idaho Falls Regional Airport to Phoenix tickets is May. Use the 'Whole month' tool to compare all available prices, then choose the dates that offer the lowest fares.
Cut down on the time spent looking for cheap flights from IDA to Phoenix by creating a Price Alert. We'll send you an email or push notification on the app when a lower fare becomes available.
Tailor your flights with filters. Choose your ideal departure and arrival times, total journey duration and airlines. You can also sort results by 'Cheapest,' 'Best' or 'Fastest' flights from Idaho Falls Regional Airport to Phoenix.

Airports in Phoenix

Phoenix Scottsdale Municipal Airport (SCF)

Phoenix Scottsdale Municipal Airport (SCF) to the centre of Phoenix takes around 35 minutes to reach by car. The centre is roughly 32 kilometres away.
Travelling on public transport takes about 1 hour 55 minutes.
Consider booking a hotel close to SCF if you have a late flight from Idaho Falls Regional Airport to Phoenix. Check in to one of these accommodation options and make your first night all about catching up on rest:

Phoenix Sky Harbour International Airport (PHX)

Central Phoenix is located around 8 kilometres from Phoenix Sky Harbour International Airport (PHX). After your flight from Idaho Falls Regional Airport to Phoenix has touched down and you've made your way through the terminal, expect a drive of around 10 minutes.
Public transport will get you there in about 35 minutes.
Hang up the 'Do not disturb' sign and relax at a hotel close to PHX. Here are a few options where you can take a load off after your IDA to Phoenix flight:
No time to waste? The fastest way to get to where you're going is with a Phoenix Sky Harbour International Airport rental car. Pick up a set of wheels from Europcar, Dollar or Thrifty and hit the road in a heartbeat.
Lock in the lowest price by securing your ride from PHX one week ahead of time. You can also expect to have a greater selection of vehicles.
The address for Phoenix Sky Harbour International Airport is 3400 Sky Harbour Boulevard.

Phoenix-Mesa Gateway Airport (AZA)

Phoenix-Mesa Gateway Airport (AZA) is around 56 kilometres from central Phoenix. It'll take you about 40 minutes to get to the city centre by ride-share or cab after your flight from Idaho Falls Regional Airport to Phoenix.
Enjoy an unhurried start to your break by choosing a hotel near AZA after your IDA to Phoenix flight. Recharge after a day of travel or simply take a moment to find your footing in a new city at:
Begin your travels without worrying about how to get to your next stop with a Phoenix-Mesa Gateway Airport rental car. You can book a set of wheels from reliable suppliers here like Dollar, Alamo and Budget.
About two weeks ahead of your flight from Idaho Falls Regional Airport to Phoenix is the ideal time to book your vehicle from AZA. You're likely to find a better rate or even snap up an early bird discount.
The address for Phoenix-Mesa Gateway Airport is 6033 S. Sossaman Rd..

Best time to go to Phoenix

Plan your trip to Phoenix during the high season if you prefer a lively atmosphere, but remember that hotel prices may be higher. Alternatively, book flights from Idaho Falls Regional Airport to Phoenix during the off-season when prices are cheaper and it's less crowded.
Lock in an Idaho Falls Regional Airport to Phoenix flight ticket with a departure in July if you're eager to explore the city during its warmest month. You can expect temperatures to range from 26ºC to 44ºC.
If you'd rather travel in cooler conditions, look for a cheap ticket from IDA to Phoenix in January when temperatures average between 4ºC and 20ºC.

More about Phoenix

Once you've booked your flight from Idaho Falls Regional Airport to Phoenix, choose a hotel that puts you where you want to be. Make one of these options your base for exploring Phoenix:
There are so many things to discover in this city it can be tricky to work out where to start. Heard Museum, Desert Botanical Garden and Papago Park are highlights which should feature on any well-planned Phoenix itinerary.

Explore more of United States

San Diego is just one of the many places in United States waiting to be discovered once you've taken in the sights of Phoenix. Around 483 kilometres away to the west, well-known attractions include San Diego Zoo, USS Midway Museum and SeaWorld San Diego.
Las Vegas is another well-known destination in United States and is around 418 kilometres north-west of Phoenix. No trip is complete without experiencing Las Vegas Strip, Fountains of Bellagio and Fremont Street Experience.