$252 Cheap Flights from Boise (BOI) to Twin Falls (TWF)

View $252 flight on Fri, Jan 2, 2026Opens in a new window

Popular airlines from Boise Airport (BOI) to Twin Falls, ID (TWF)

Cheap Flights from Boise to Twin Falls (BOI-TWF)

Prices were available within the past 7 days and start at $252 for one-way flights and $454 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Dec 3 - Sun, Dec 14
BOI
Boise
TWF
Twin Falls
$454 Roundtrip, found 3 days ago
$454
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Dec 3 from Boise to Twin Falls, returning Sun, Dec 14, priced at $454 found 3 days ago
Delta
Wed, Dec 24 - Thu, Jan 8
BOI
Boise
TWF
Twin Falls
$462 Roundtrip, found 3 days ago
$462
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Dec 24 from Boise to Twin Falls, returning Thu, Jan 8, priced at $462 found 3 days ago
Delta
Wed, Nov 19 - Wed, Dec 3
BOI
Boise
TWF
Twin Falls
$463 Roundtrip, found 3 days ago
$463
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Nov 19 from Boise to Twin Falls, returning Wed, Dec 3, priced at $463 found 3 days ago
Delta
Tue, Dec 2 - Mon, Dec 15
BOI
Boise
TWF
Twin Falls
$464 Roundtrip, found 3 days ago
$464
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Dec 2 from Boise to Twin Falls, returning Mon, Dec 15, priced at $464 found 3 days ago
Delta
Wed, Nov 19 - Thu, Dec 4
BOI
Boise
TWF
Twin Falls
$472 Roundtrip, found 3 days ago
$472
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Nov 19 from Boise to Twin Falls, returning Thu, Dec 4, priced at $472 found 3 days ago
Delta
Fri, Dec 5 - Sun, Dec 14
BOI
Boise
TWF
Twin Falls
$474 Roundtrip, found 3 days ago
$474
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Dec 5 from Boise to Twin Falls, returning Sun, Dec 14, priced at $474 found 3 days ago
Delta
Tue, Dec 2 - Tue, Dec 16
BOI
Boise
TWF
Twin Falls
$477 Roundtrip, found 3 days ago
$477
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Dec 2 from Boise to Twin Falls, returning Tue, Dec 16, priced at $477 found 3 days ago
Delta
Mon, Nov 24 - Sun, Dec 7
BOI
Boise
TWF
Twin Falls
$482 Roundtrip, found 3 days ago
$482
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Nov 24 from Boise to Twin Falls, returning Sun, Dec 7, priced at $482 found 3 days ago
Delta
Mon, Nov 24 - Sat, Dec 13
BOI
Boise
TWF
Twin Falls
$483 Roundtrip, found 3 days ago
$483
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Nov 24 from Boise to Twin Falls, returning Sat, Dec 13, priced at $483 found 3 days ago
Delta
Fri, Jan 2 - Fri, Jan 16
BOI
Boise
TWF
Twin Falls
$485 Roundtrip, found 3 days ago
$485
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Jan 2 from Boise to Twin Falls, returning Fri, Jan 16, priced at $485 found 3 days ago

Frequently asked questions

How much does a flight from Boise Airport (BOI) to Twin Falls Airport (TWF) cost?
Lock in a cheap one-way flight from $252 or cheap return flight from $454 from Boise Airport (BOI) to Twin Falls Airport (TWF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Boise Airport (BOI) to Twin Falls Airport (TWF)?
December is the least expensive month to fly from BOI to TWF. Traveling during an off-peak travel window is often the key to scoring lower fares.
What is the cheapest airline that flies from Boise Airport (BOI) to Twin Falls Airport (TWF)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest BOI to TWF flight.
How many flights per day from Boise Airport (BOI) to Twin Falls Airport (TWF)?
There aren't any daily direct flights from Boise Airport (BOI) to Twin Falls Airport (TWF). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from BOI to TWF?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on various factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Boise Airport (BOI) to Twin Falls Airport (TWF)?
To avoid possible delays on the Boise Airport (BOI) to Twin Falls Airport (TWF) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Boise Airport (BOI) to Twin Falls Airport (TWF) last-minute?
Holding off until just before your departure to book a flight from BOI to TWF generally means paying more. While you may find some last-minute discounts, they aren't always guaranteed. Be flexible with your itinerary for a better chance of snagging a bargain.
Is it cheaper to book a BOI to TWF flight and hotel package?
Compared with arranging flights and hotels separately, booking a BOI to TWF flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one convenient place takes the hassle out of travel planning. Simply secure your flights and select from our extensive range of hotels, then customize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Boise Airport (BOI) to Twin Falls Airport (TWF)?
If you reserved your BOI to TWF flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Origin airport
Boise
Destination airport
Twin Falls
Roundtrip price
$454
Distance
115 mi

Book with confidence

Boise to Twin Falls Flights

The cheapest times to fly from Boise to Twin Falls

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 Boise to Twin Falls are during the month of December. You can find some of the cheapest flights from Boise to Twin Falls with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Boise to Twin Falls: 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 Boise to Twin Falls

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 Boise to Twin Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $252 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 Boise to Twin Falls 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 Boise to Twin Falls 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.

 

Boise to Twin Falls Flights

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*Available to One Key members.