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CA $293 Cheap Flights from Phoenix (PHX) to Idaho Falls (IDA)

View CA $293 flight on Wed, Nov 25, 2026Opens in a new window

Popular airlines from Sky Harbor International Airport (PHX) to Idaho Falls Regional Airport (IDA)

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Cheap flights from Phoenix (PHX) to Idaho Falls (IDA)

Prices were available within the past 7 days and start at CA $293 for one-way flights and CA $629 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Nov 25 - Mon, Nov 30
PHX
Phoenix
IDA
Idaho Falls
CA $629 Roundtrip, found 6 days ago
CA $629
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, Nov 25 from Phoenix to Idaho Falls, returning Mon, Nov 30, priced at CA $629 found 6 days ago
American Airlines
Wed, Nov 25 - Mon, Nov 30
PHX
Phoenix
IDA
Idaho Falls
CA $727 Roundtrip, found 6 days ago
CA $727
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Nov 25 from Phoenix to Idaho Falls, returning Mon, Nov 30, priced at CA $727 found 6 days ago
Alaska Airlines
Wed, Nov 25 - Mon, Nov 30
PHX
Phoenix
IDA
Idaho Falls
CA $772 Roundtrip, found 6 days ago
CA $772
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, Nov 25 from Phoenix to Idaho Falls, returning Mon, Nov 30, priced at CA $772 found 6 days ago
American Airlines
Wed, Nov 25 - Mon, Nov 30
PHX
Phoenix
IDA
Idaho Falls
CA $786 Roundtrip, found 6 days ago
CA $786
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Nov 25 from Phoenix to Idaho Falls, returning Mon, Nov 30, priced at CA $786 found 6 days ago
Delta
Wed, Nov 25 - Mon, Nov 30
PHX
Phoenix
IDA
Idaho Falls
CA $800 Roundtrip, found 6 days ago
CA $800
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Nov 25 from Phoenix to Idaho Falls, returning Mon, Nov 30, priced at CA $800 found 6 days ago
American Airlines
Wed, Nov 25 - Mon, Nov 30
PHX
Phoenix
IDA
Idaho Falls
CA $800 Roundtrip, found 6 days ago
CA $800
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Nov 25 from Phoenix to Idaho Falls, returning Mon, Nov 30, priced at CA $800 found 6 days ago
American Airlines
Wed, Nov 25 - Mon, Nov 30
PHX
Phoenix
IDA
Idaho Falls
CA $836 Roundtrip, found 6 days ago
CA $836
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Nov 25 from Phoenix to Idaho Falls, returning Mon, Nov 30, priced at CA $836 found 6 days ago
Alaska Airlines
Wed, Nov 25 - Mon, Nov 30
PHX
Phoenix
IDA
Idaho Falls
CA $856 Roundtrip, found 6 days ago
CA $856
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, Nov 25 from Phoenix to Idaho Falls, returning Mon, Nov 30, priced at CA $856 found 6 days ago
Delta
Wed, Nov 25 - Mon, Nov 30
PHX
Phoenix
IDA
Idaho Falls
CA $858 Roundtrip, found 6 days ago
CA $858
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Nov 25 from Phoenix to Idaho Falls, returning Mon, Nov 30, priced at CA $858 found 6 days ago
Delta
Wed, Nov 25 - Mon, Nov 30
PHX
Phoenix
IDA
Idaho Falls
CA $865 Roundtrip, found 6 days ago
CA $865
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Nov 25 from Phoenix to Idaho Falls, returning Mon, Nov 30, priced at CA $865 found 6 days ago

Frequently asked questions

How much does a flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) cost?
You can find one-way and return flights from PHX to IDA with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when PHX to IDA ticket fares go up or down.
What is the cheapest month to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
The cheapest months to fly from PHX to IDA are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
Enter PHX to IDA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
American Airlines is one of the cheapest airlines offering nonstop return flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional), with tickets starting from around CA$402 for flights that can be booked for departure within the next year. American Airlines also offers one of the cheapest connecting return flights on this route, with a layover in Albuquerque Intl. Sunport (ABQ), starting from around CA$415. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
To find a cheap flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
The best airline to fly with from Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) will differ from traveler to traveler. If you like to fly early, American Airlines offers early morning flights. If price is the most important factor, American Airlines typically offers the lowest fares. Alaska Airlines offers the most daily flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
There are approximately 30 connecting flights per day from Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional). Some common connection points include Seattle - Tacoma Intl. (SEA), Portland Intl. (PDX), and San Diego Intl. (SAN).
What is the earliest flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
The earliest flight from Phoenix Sky Harbor International Airport (PHX) to Idaho Falls Regional (IDA) typically departs around 12:15 AM local time. This flight is operated by American Airlines. This is a seasonal service, active in October. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
You'll typically find the most flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) on a Sunday, with around 29 flights available. This gives you a good selection for your travel plans. Major airlines on this route include Alaska Airlines, United, and American Airlines. Sunday offers notably more flight options compared to other days of the week, making it a convenient day to travel.
What are the most popular departure times for flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
The most popular departure times for flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) are in the early morning, from 6am to 9am. Many major carriers, including Alaska Airlines, United and Delta, offer flights during this window. Many travellers prefer these early flights because they allow you to arrive at your destination with plenty of time to start your day.
How long does it take to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
When flying from Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional), you have a few options. A nonstop flight typically takes around 2 hours 18 minutes, covering a distance of approximately 1,120 kilometers. If you opt for a one-stop flight, your travel time will be longer, usually around 6 hours 30 minutes. Flights with two or more stops will take even longer, averaging about 11 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic.
Can you fly business or first class from Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
You can fly first class between PHX and IDA. First class cabins are available on:
  • Alaska Airlines
  • United
  • Delta
  • American Airlines
How do I earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) flight with Expedia?
It's easy to earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Idaho Falls, ID (IDA) from Phoenix, AZ (PHX)?
If you're planning to travel to Idaho Falls from Sky Harbor Intl. (PHX), you can fly directly into Idaho Falls Regional (IDA) which offers domestic flights and connections. Some flights may connect through major hubs like Portland Intl. (PDX), Los Angeles Intl. (LAX), or San Diego Intl. (SAN) before reaching Idaho Falls. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) at the last minute?
Typically, booking a last minute flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) flight and hotel package?
Securing a Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
If you booked your Phoenix, AZ (PHX-Sky Harbor Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Idaho Falls Regional
Roundtrip price
CA $628
Distance
1114 km

Book with confidence

Phoenix to Idaho Falls Flights

The easy way to book your flights from Phoenix to Idaho Falls 

With Expedia, it’s simple to find and book flights to Idaho Falls from Phoenix whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Idaho Falls Regional, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Phoenix to Idaho Falls today, tomorrow, or this week.  

 

Save dollars with cheap flights from Sky Harbor Intl., PHX to Idaho Falls Regional, IDA 

Sort your search results by price to find great deals on your flight from Phoenix to Idaho Falls—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Idaho Falls from Phoenix currently is just CA $629 rising to CA $865.  

Here are more money-saving tips: 

  • Fly in November when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Idaho Falls  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Idaho Falls from Phoenix 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Idaho Falls with Expedia today.

Phoenix to Idaho Falls Flights

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