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$147 Cheap Flights from Twin Falls (TWF) to Phoenix (PHX)

View $147 flight on Tue, Sep 1, 2026Opens in a new window

Popular airlines from Twin Falls, ID (TWF) to Phoenix Sky Harbor Intl. Airport (PHX)

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Cheap Flights from Twin Falls to Phoenix (TWF-PHX)

Prices were available within the past 7 days and start at $147 for one-way flights and $306 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Sep 1 - Sat, Sep 5
TWF
Twin Falls
PHX
Phoenix
$306 Roundtrip, found 11 hours ago
$306
Roundtrip
found 11 hours ago
Select Delta flight, departing Tue, Sep 1 from Twin Falls to Phoenix, returning Sat, Sep 5, priced at $306 found 11 hours ago
Delta
Fri, Sep 11 - Wed, Sep 16
TWF
Twin Falls
PHX
Phoenix
$316 Roundtrip, found 4 hours ago
$316
Roundtrip
found 4 hours ago
Select Delta flight, departing Fri, Sep 11 from Twin Falls to Phoenix, returning Wed, Sep 16, priced at $316 found 4 hours ago
Delta
Sat, Aug 29 - Sun, Aug 30
TWF
Twin Falls
PHX
Phoenix
$330 Roundtrip, found 6 days ago
$330
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Aug 29 from Twin Falls to Phoenix, returning Sun, Aug 30, priced at $330 found 6 days ago
Delta
Sat, Aug 15 - Mon, Aug 24
TWF
Twin Falls
PHX
Phoenix
$337 Roundtrip, found 6 days ago
$337
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Aug 15 from Twin Falls to Phoenix, returning Mon, Aug 24, priced at $337 found 6 days ago
Delta
Sat, Aug 15 - Mon, Aug 24
TWF
Twin Falls
PHX
Phoenix
$342 Roundtrip, found 6 days ago
$342
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Aug 15 from Twin Falls to Phoenix, returning Mon, Aug 24, priced at $342 found 6 days ago
Delta
Tue, Sep 1 - Sat, Sep 5
TWF
Twin Falls
PHX
Phoenix
$346 Roundtrip, found 11 hours ago
$346
Roundtrip
found 11 hours ago
Select Delta flight, departing Tue, Sep 1 from Twin Falls to Phoenix, returning Sat, Sep 5, priced at $346 found 11 hours ago
Delta
Tue, Sep 1 - Sat, Sep 5
TWF
Twin Falls
PHX
Phoenix
$351 Roundtrip, found 11 hours ago
$351
Roundtrip
found 11 hours ago
Select Delta flight, departing Tue, Sep 1 from Twin Falls to Phoenix, returning Sat, Sep 5, priced at $351 found 11 hours ago
Delta
Fri, Sep 11 - Wed, Sep 16
TWF
Twin Falls
PHX
Phoenix
$356 Roundtrip, found 4 hours ago
$356
Roundtrip
found 4 hours ago
Select Delta flight, departing Fri, Sep 11 from Twin Falls to Phoenix, returning Wed, Sep 16, priced at $356 found 4 hours ago
Delta
Fri, Sep 11 - Wed, Sep 16
TWF
Twin Falls
PHX
Phoenix
$361 Roundtrip, found 4 hours ago
$361
Roundtrip
found 4 hours ago
Select Delta flight, departing Fri, Sep 11 from Twin Falls to Phoenix, returning Wed, Sep 16, priced at $361 found 4 hours ago
Delta
Tue, Aug 11 - Thu, Aug 13
TWF
Twin Falls
PHX
Phoenix
$367 Roundtrip, found 1 day ago
$367
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Aug 11 from Twin Falls to Phoenix, returning Thu, Aug 13, priced at $367 found 1 day ago

Alternative airports near Phoenix

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sky Harbor Intl. PHX. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $446
PHX
Sky Harbor Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $446

What you need to know for your flight from Twin Falls to Sky Harbor Intl.

Twin Falls (TWF) to Phoenix (PHX) at a glance

Embark on your journey from Twin Falls (TWF) to Phoenix (PHX) with a full-service airline on this domestic short-haul route. Explore the vibrant sights and neighborhoods of Phoenix while finding the itinerary that aligns with your travel plans. Here, you'll discover essential details for flights from Twin Falls Airport to Sky Harbor International Airport, making your trip planning seamless and straightforward.

  • Fastest flight duration: around 2h 45m in-flight, plus roughly 55 minutes layover with one stop
  • Route distance: roughly 600 miles (970 km)
  • Flights per week: around 7 departures on average
  • Typical fares (one-way): economy tickets often range from $200–$445, depending on seasonality and how far ahead you book

Flights from Twin Falls Airport (TWF) to Sky Harbor International Airport (PHX)

Based on the latest traveler bookings, the top airlines flying from Twin Falls (TWF) to Phoenix (PHX) are often preferred for their one-stop services, typically featuring a convenient layover at Salt Lake City International Airport (SLC) with an average layover time of about 55 minutes. This allows you to customize your journey by balancing price, total travel time, and cabin class to secure the best itinerary.

  • Delta: As a prominent full-service airline, Delta operates nearly all flights on this route, featuring one-stop itineraries with one-way ticket prices usually between $200 and $440. Flight durations are approximately 2 hours and 45 minutes, with an overall travel time of around 3 hours and 45 minutes, factoring in the layover.

Alternative routes from Twin Falls (TWF) to Phoenix (PHX)

  • Twin Falls to Mesa (TWF-AZA): Located approximately 22 miles from Sky Harbor International Airport (PHX), Phoenix - Mesa Gateway Airport (AZA) offers convenient access for travelers.
  • Burley to Phoenix (BYI-PHX): J R Jack Simplot Airport (BYI) is about 37 miles from Twin Falls Airport (TWF), providing a viable route for those heading to the Phoenix area.

How to find the best prices for flights from Twin Falls (TWF) to Phoenix (PHX)

Getting some of the best deals on flights from Twin Falls to Phoenix is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, although most travelers tend to book between two to eight weeks ahead. Morning departures (5 am to 12 pm) generally offer lower prices, while afternoon flights (12 pm to 6 pm) are more popular. Additionally, flying on Thursday provides both affordability and popularity among travelers.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Sky Harbor International Airport from Twin Falls Airport

Phoenix welcomes travelers from Twin Falls with a range of transport options based on price, convenience, and proximity. Here's how to reach Phoenix efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Phoenix, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Sky Harbor International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Sky Harbor International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Sky Harbor International Airport, Terminal 3 Station (a metro station) is located about 0.1 miles away on foot, while Phoenix Airport Bus Stop (a bus station) is situated approximately 0.2 miles away on foot, providing convenient access to both rail and bus options for travelers.

Frequently asked questions

How much does a flight from Twin Falls, ID (TWF) to Phoenix, AZ (PHX-Sky Harbor Intl.) cost?
You can find cheap one-way flights from $147 and cheap return flights from $306 Twin Falls, ID (TWF) to Phoenix, AZ (PHX-Sky Harbor Intl.) with Expedia. One-way flights typically cost between $303 and $744, and return flights often range between $518 and $1556. 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 the cheapest fares first, and use the Price Tracking tool to receive alerts when Twin Falls, ID (TWF) to Phoenix, AZ (PHX-Sky Harbor Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Twin Falls, ID (TWF) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The cheapest month to fly from TWF to PHX is September 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're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Twin Falls, ID (TWF) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
Enter TWF to PHX and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Twin Falls, ID (TWF) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
Delta is one of the cheapest airlines offering connecting flights from Twin Falls, ID (TWF) to Phoenix, AZ (PHX) with a layover in Salt Lake City Intl. starting from around $1,124. 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.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Twin Falls, ID (TWF) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
To find a cheap flight from Twin Falls, ID (TWF) to Phoenix, AZ (PHX-Sky Harbor Intl.), 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 time to fly from Twin Falls, ID (TWF) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
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.
What is the earliest flight from Twin Falls, ID (TWF) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The earliest flight from Twin Falls, Idaho (TWF) to Phoenix, Arizona (PHX) typically departs at around 6:00 AM, operated by Delta. This is a seasonal service active in December, allowing you to start your day early and make the most of your time in Phoenix. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Twin Falls, ID (TWF) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The most popular departure times for flights from Twin Falls, ID (TWF) to Phoenix, AZ (PHX-Sky Harbor Intl.) are in the early morning, from 6am to 9am. About 66% of passengers prefer this time window. Many major carriers, including Delta and United Airlines, offer flights during this window. This timing is popular because it lets you arrive in Phoenix with a full day ahead of you.
How long does it take to fly from Twin Falls, ID (TWF) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
Flights from TWF to PHX with one stop typically take around 3 hours 50 minutes, covering approximately 640 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Twin Falls, ID (TWF) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
First class seats are offered on the TWF to PHX route with Delta Air Lines.
How do I earn miles on a Twin Falls, ID (TWF) to Phoenix, AZ (PHX-Sky Harbor Intl.) flight with Expedia?
It's easy to earn miles on a Twin Falls, ID (TWF) to Phoenix, AZ (PHX-Sky Harbor Intl.) 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 Phoenix from TWF (TWF)?
If you're planning to travel to Phoenix from TWF (TWF), you can fly into Sky Harbor Intl. (PHX) Some flights may connect through major hubs like Salt Lake City Intl. (SLC) before reaching Phoenix. 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 Twin Falls, ID (TWF) to Phoenix, AZ (PHX-Sky Harbor Intl.) at the last minute?
Typically, booking a last minute flight from Twin Falls, ID (TWF) to Phoenix, AZ (PHX-Sky Harbor Intl.) 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 Twin Falls, ID (TWF) to Phoenix, AZ (PHX-Sky Harbor Intl.) flight and hotel package?
Securing a Twin Falls, ID (TWF) to Phoenix, AZ (PHX-Sky Harbor Intl.) Phoenix Vacation Packages 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 Twin Falls, ID (TWF) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
If you booked your Twin Falls, ID (TWF) to Phoenix, AZ (PHX-Sky Harbor Intl.) 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
Twin Falls
Destination airport
Sky Harbor Intl.
Airlines serving
Delta
Roundtrip price
$306
Distance
639 mi

Book with confidence

Twin Falls to Phoenix Flights

The cheapest times to fly from Twin Falls to Phoenix

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Twin Falls to Phoenix are during the month of September. You can find some of the cheapest flights from Twin Falls to Phoenix with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Twin Falls to Phoenix

Sunday is one of the best days to book for cheap flights from Twin Falls to Phoenix: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Twin Falls to Phoenix

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Twin Falls to Phoenix in 2026. You can also book with separate airlines for your outbound and return journeys, from $147 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Twin Falls to Phoenix flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Twin Falls to Phoenix airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Twin Falls to Phoenix Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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