100 € Cheap Flights from Idaho Falls to Phoenix-Mesa Gateway

Return selected
Return selected
origin
Enter the city you're flying from, or choose from the options below
Include nearby airports
    selected
    destination
    . Enter your destination, or choose from the options below
    Include nearby airports
      selected
      Travellers and cabin class, 1 Adult, Economy
      Allegiant Air

      Compare Idaho Falls to Phoenix-Mesa Gateway flight deals

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

      Book the best Phoenix-Mesa Gateway fare with no extra fees

      Flight deals from Idaho Falls to Phoenix-Mesa Gateway

      Looking for a cheap last-minute deal or the best return flight from Idaho Falls Airport to Phoenix-Mesa Gateway Airport? If you want to travel next month, return fares start from 100 €. Find the lowest prices on one-way and return tickets right here.

      Find the cheapest month to fly from Idaho Falls to Phoenix-Mesa Gateway

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

      Direct flights from Idaho Falls to Phoenix-Mesa Gateway

      Allegiant Air

      Idaho Falls to Phoenix-Mesa Gateway: Alternative routes

      Compare routes from Idaho Falls to Phoenix below. You may find an airport to fly into that's cheaper, faster, or easier than Phoenix-Mesa Gateway.

      Idaho Falls to Phoenix: Flight information

      The things to know before you go.
      Cheapest flight found100 €
      Cheapest month to flyOctober
      Average flight time2 hrs, 6 mins
      Most popular airlineAllegiant Air
      Average flights per week4

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

      The best price we found for a return flight from Idaho Falls to Phoenix-Mesa Gateway is 100 €. 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.
      2 hours and 6 minutes is the average flight time from Idaho Falls to Phoenix-Mesa Gateway.
      Allegiant Air flies direct from Idaho Falls to Phoenix-Mesa Gateway.
      As of September 2026, there are 4 flights per week flying from Idaho Falls to Phoenix-Mesa Gateway.
      The cheapest month to fly from Idaho Falls to Phoenix-Mesa Gateway is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Idaho Falls Airport to Phoenix-Mesa Gateway Airport on Monday, 26 October 2026.
      Yes – the average flight time is 2 hours and 6 minutes.
      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-Mesa Gateway 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.

      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.

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

      Flying from Idaho Falls Airport (IDA) to Phoenix-Mesa Gateway Airport (AZA): what you need to know

      • The average duration of a direct flight from Idaho Falls Airport to Phoenix-Mesa Gateway Airport is 2 hours.

      • Idaho Falls and Phoenix are both in the UTC-7 timezone. That means you won't have to change your watch when you arrive.

      • Take your pick of three weekly Idaho Falls Airport to Phoenix-Mesa Gateway Airport flights. The 08:47 departure with Allegiant Air is the earliest flight you can take. Allegiant Air operates the last service of the day at 22:42.

      • Leave enough time to make your IDA to AZA flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

      • Flying during a peak time like June? School holidays and other popular seasons can mean longer lines at security. Play it safe and get there up to four hours ahead of international flights and two hours before domestic departures.

      • Allegiant Air has direct flights from Idaho Falls Airport to Phoenix-Mesa Gateway Airport. Book with this popular carrier, then get ready to see the sights in Phoenix — and maybe even more of the United States if time allows.

      • The airline that serves the most passengers on this route is Allegiant Air.

      • With 71.6% of its services arriving as planned, Allegiant Air is the most punctual carrier operating IDA to AZA flights.

      • Opt for a stopover if you'd like to break up your flight. Just deselect 'Direct flights only' to see all your options for tickets from Idaho Falls Airport to Phoenix-Mesa Gateway Airport. Harry Reid International Airport is a popular stopover on the IDA to AZA route.

      How to find the cheapest flights from Idaho Falls Airport (IDA) to Phoenix-Mesa Gateway Airport (AZA)

      • Right now, 45 € is the lowest price we've found for a one-way Idaho Falls Airport to Phoenix-Mesa Gateway Airport flight. The best price for a return ticket is 100 €. Bear in mind that fares could change due to demand when booking.

      • Get cheap tickets from IDA to AZA by booking one month ahead. Based on our research, that's the sweet spot for finding the biggest deals.

      • June is the cheapest month for flights from Idaho Falls Airport to Phoenix-Mesa Gateway Airport. If you're looking to travel during a different time of year, the 'Whole month' tool will give you the lowest prices across every month.

      • Getting your hands on cheap flights from IDA to AZA is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll notify you when a lower fare pops up.

      • Tailor your trip with filters. Choose your ideal arrival and departure times, airlines and total journey duration. You can also sort results by 'Fastest,' 'Best' or 'Cheapest' flights from Idaho Falls Airport to Phoenix-Mesa Gateway Airport.

      Handy information about Idaho Falls Airport (IDA)

      • You'll find IDA at 2140 North Skyline.

      • 81% of flights departing from Idaho Falls Airport arrive at their destination as planned. Given its dependable on-time performance, you're unlikely to face delays when jetting out of IDA.

      • Central Idaho Falls to Idaho Falls Airport is around 8 kilometres. Depending on traffic, it'll take about 10 minutes to get there if you're ride-sharing, catching a taxi or driving.

      • Catching public transport? Expect a journey time of around 30 minutes.

      • Taking an early flight from Idaho Falls Airport to Phoenix-Mesa Gateway Airport? Avoid the last-minute rush to the airport (and catch some extra z's) by choosing one of these hotels close to IDA:

      Arriving at Phoenix-Mesa Gateway Airport (AZA)

      Getting from Phoenix-Mesa Gateway Airport (AZA) to central Phoenix

      • You'll find AZA at 6033 S. Sossaman Rd..

      • Phoenix-Mesa Gateway Airport is roughly 32 kilometres from central Phoenix. The drive time takes around 30 minutes.

      • Travelling on public transport will take you roughly 1 hour 15 minutes.

      When to fly to Phoenix-Mesa Gateway Airport (AZA)

      • It's time to work out your dates for your flight from Idaho Falls Airport to Phoenix-Mesa Gateway Airport. April is the most popular month to visit Phoenix. If you prefer a more laid-back vibe, go in November.

      • Before locking in your flight from Idaho Falls Airport to Phoenix-Mesa Gateway Airport, consider the type of weather you enjoy. July is the warmest month in Phoenix, with temperatures ranging from 27ºC (81ºF) to 45ºC (113ºF).

      • Look for cheap tickets from IDA to AZA in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between 4ºC (39ºF) and 21ºC (70ºF) on average.

      Explore more of the United States

      • You've visited Phoenix, now it's time to explore other corners of the United States. Journey around 483 kilometres west to San Diego to check off its top attractions. From San Diego Zoo to San Diego Balboa Park and USS Midway Museum, you'll have a packed itinerary ahead.

      • Las Vegas is another favourite destination in the United States and is around 418 kilometres north-west of Phoenix. No trip is complete without dropping by Ciudad del Pecado o Las Vegas, Las Vegas Strip and Fountains of Bellagio.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.