App
Customer Support
SGD
Find Bookings
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Cheap flight deals from Phoenix to Idaho Falls Starting at SGD 149

Discover our range of affordable one-way and round-trip flights from Phoenix to Idaho Falls and kick-start your next adventure today!

  • One way
  • Round-trip
      • Cheapest nonstop
        PHX19:05
        2h 5m
        Nonstop
        IDA22:10
        Thu, May 1|Phoenix - Idaho Falls|American Airlines
        SGD 276SGD 573
        52% OFF
        52% OFF
        SGD 573SGD 276

        Choose American Airlines flights from Phoenix to Idaho Falls. The one-way direct flight with American Airlines departs from Sky Harbor International Airport on Thu, May 1, arriving at Idaho Falls Regional Airport. One-way Prices start from SGD 276 including taxes and charges.

      • PHX19:05
        2h 7m
        Nonstop
        IDA22:12
        Fri, Mar 21|Phoenix - Idaho Falls|American Airlines
        SGD 436SGD 573
        24% OFF
        24% OFF
        SGD 573SGD 436

        Choose American Airlines flights from Phoenix to Idaho Falls. The one-way direct flight with American Airlines departs from Sky Harbor International Airport on Fri, Mar 21, arriving at Idaho Falls Regional Airport. One-way Prices start from SGD 436 including taxes and charges.

      • PHX10:45
        10h 51m
        1 stop
        IDA22:36
        Tue, Mar 18|Phoenix - Idaho Falls|Frontier Airlines
        SGD 149SGD 573
        74% OFF
        74% OFF
        SGD 573SGD 149

        Choose Frontier Airlines flights from Phoenix to Idaho Falls. The one-way connecting flight with Frontier Airlines departs from Sky Harbor International Airport on Tue, Mar 18, arriving at Idaho Falls Regional Airport. One-way Prices start from SGD 149 including taxes and charges.

      • PHX14:26
        8h 10m
        1 stop
        IDA22:36
        Wed, Mar 5|Phoenix - Idaho Falls|Frontier Airlines
        SGD 162
        SGD 162

        Choose Frontier Airlines flights from Phoenix to Idaho Falls. The one-way connecting flight with Frontier Airlines departs from Sky Harbor International Airport on Wed, Mar 5, arriving at Idaho Falls Regional Airport. One-way Prices start from SGD 162 including taxes and charges.

      • PHX14:46
        7h 50m
        1 stop
        IDA22:36
        Tue, Mar 4|Phoenix - Idaho Falls|Frontier Airlines
        SGD 162
        SGD 162

        Choose Frontier Airlines flights from Phoenix to Idaho Falls. The one-way connecting flight with Frontier Airlines departs from Sky Harbor International Airport on Tue, Mar 4, arriving at Idaho Falls Regional Airport. One-way Prices start from SGD 162 including taxes and charges.

      • PHX08:00
        7h 30m
        1 stop
        IDA15:30
        Wed, Mar 5|Phoenix - Idaho Falls|Alaska Airlines
        SGD 171
        SGD 171

        Choose Alaska Airlines flights from Phoenix to Idaho Falls. The one-way connecting flight with Alaska Airlines departs from Sky Harbor International Airport on Wed, Mar 5, arriving at Idaho Falls Regional Airport. One-way Prices start from SGD 171 including taxes and charges.

      • PHX17:19
        4h 14m
        1 stop
        IDA22:33
        Tue, Mar 25|Phoenix - Idaho Falls|Delta Air Lines
        SGD 183
        SGD 183

        Choose Delta Air Lines flights from Phoenix to Idaho Falls. The one-way connecting flight with Delta Air Lines departs from Sky Harbor International Airport on Tue, Mar 25, arriving at Idaho Falls Regional Airport. One-way Prices start from SGD 183 including taxes and charges.

      • PHX07:00
        7h 30m
        1 stop
        IDA15:30
        Wed, Mar 12|Phoenix - Idaho Falls|Alaska Airlines
        SGD 191
        SGD 191

        Choose Alaska Airlines flights from Phoenix to Idaho Falls. The one-way connecting flight with Alaska Airlines departs from Sky Harbor International Airport on Wed, Mar 12, arriving at Idaho Falls Regional Airport. One-way Prices start from SGD 191 including taxes and charges.

      • PHX14:38
        6h 58m
        1 stop
        IDA22:36
        Wed, Mar 12|Phoenix - Idaho Falls|Frontier Airlines
        SGD 195
        SGD 195

        Choose Frontier Airlines flights from Phoenix to Idaho Falls. The one-way connecting flight with Frontier Airlines departs from Sky Harbor International Airport on Wed, Mar 12, arriving at Idaho Falls Regional Airport. One-way Prices start from SGD 195 including taxes and charges.

      • PHX06:00
        8h 58m
        1 stop
        IDA15:58
        Thu, May 1|Phoenix - Idaho Falls|Frontier Airlines
        SGD 196
        SGD 196

        Choose Frontier Airlines flights from Phoenix to Idaho Falls. The one-way connecting flight with Frontier Airlines departs from Sky Harbor International Airport on Thu, May 1, arriving at Idaho Falls Regional Airport. One-way Prices start from SGD 196 including taxes and charges.

      • PHX01:00 pm
        3h 5m
        Nonstop
        IDA02:00 pm
        Wed, Feb 26|Phoenix - Idaho Falls|American Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Phoenix to Idaho Falls flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA2172

    United Airlines

    05:00

    PHX

    1.9h

    06:51

    DEN

    SMTWTFS
    Search

  2. UA5374

    United Airlines

    07:46

    DEN

    1.8h

    09:32

    IDA

    SMTWTFS

  3. F91376

    Frontier Airlines

    05:50

    PHX

    1.9h

    08:46

    DEN

    SMTWTFS
    Search

  4. UA5656

    United Airlines

    11:45

    DEN

    1.7h

    13:29

    IDA

    SMTWTFS

  5. AS799

    Alaska Airlines

    06:00

    PHX

    3.1h

    09:09

    SEA

    SMTWTFS
    Search

  6. AS2018

    Alaska Airlines

    12:52

    SEA

    1.8h

    15:40

    IDA

    SMTWTFS

  7. AS645

    Alaska Airlines

    07:00

    PHX

    3.2h

    10:10

    SEA

    SMTWTFS
    Search

  8. AS2018

    Alaska Airlines

    12:52

    SEA

    1.8h

    15:40

    IDA

    SMTWTFS

  9. AA6341

    American Airlines

    08:33

    PHX

    3.3h

    10:53

    SEA

    SMTWTFS
    Search

  10. AS2018

    Alaska Airlines

    12:52

    SEA

    1.8h

    15:40

    IDA

    SMTWTFS

  11. DL1447

    Delta Air Lines

    11:22

    PHX

    1.8h

    13:07

    SLC

    SMTWTFS
    Search

  12. DL3895

    Delta Air Lines

    17:10

    SLC

    1.1h

    18:14

    IDA

    SMTWT-S

  13. UA726

    United Airlines

    14:35

    PHX

    1.9h

    16:30

    DEN

    SMTWTFS
    Search

  14. UA5263

    United Airlines

    19:14

    DEN

    1.8h

    21:04

    IDA

    SMTWTFS

  15. UA1226

    United Airlines

    16:40

    PHX

    1.9h

    19:31

    DEN

    SMTWTFS
    Search

  16. UA5263

    United Airlines

    19:14

    DEN

    1.8h

    21:04

    IDA

    SMTWTFS

  17. DL1432

    Delta Air Lines

    17:20

    PHX

    1.6h

    19:59

    SLC

    SMTWTFS
    Search

  18. DL2608

    Delta Air Lines

    21:15

    SLC

    1.0h

    22:14

    IDA

    SMTWTFS

  19. AA6484

    American Airlines

    18:50

    PHX

    2.1h

    Nonstop

    21:57

    IDA

    SMTWTFS
    Search
Find more flights and airlines

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

Explore the best time to buy affordable tickets to Idaho Falls with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Phoenix (PHX) to Idaho Falls (IDA) the cheapest?

    Airlines adjust prices for flights from Phoenix to Idaho Falls based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Phoenix (PHX) to Idaho Falls (IDA) cost?

    According to Trip.com's data, the lowest price is around SGD 635.

  • How long does it take to fly from Phoenix (PHX) to Idaho Falls (IDA)?

    It takes about 2 hours 6 minutes to fly from Phoenix (PHX) to Idaho Falls (IDA).

  • What is the transportation method from the main airport to downtown in Idaho Falls?

    • The distance from Idaho Falls Regional Airport to downtown is about 3 km, by taxi about 20 minutes.

  • What are the most popular airlines that fly from Phoenix (PHX) to Idaho Falls (IDA)?

    Airlines with flights from Phoenix (PHX) to Idaho Falls (IDA): Allegiant Air and American Airlines.

  • What's the most popular airline for non-stop flights from Phoenix (PHX) to Idaho Falls (IDA)?

    American Airlines operates 1 non-stop flights from Phoenix (PHX) to Idaho Falls (IDA).

  • How many airports are there in Idaho Falls (IDA)?

    There are 1 airport(s) near Idaho Falls (IDA): Idaho Falls Regional Airport.

How to find a cheap flight from Phoenix to Idaho Falls

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | Phoenix to Idaho Falls

Cheapest direct flight priceSGD 148
Cheapest return ticket priceSGD 371
Off-season for travelFebruary
Peak season for travelNovember
Flight distance1,120.97 km
Average flight time2 hours 6 minutes
Popular airlineAmerican Airlines

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.