$194 Cheap Flights from Twin Falls (TWF) to Boise (BOI)

View $194 flight on Fri, Oct 17, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $194 for one-way flights and $377 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Sep 22 - Tue, Oct 7
TWF
Twin Falls
BOI
Boise
$377 Roundtrip, found 9 hours ago
$377
Roundtrip
found 9 hours ago
Select Delta flight, departing Mon, Sep 22 from Twin Falls to Boise, returning Tue, Oct 7, priced at $377 found 9 hours ago
Delta
Mon, Sep 22 - Tue, Oct 7
TWF
Twin Falls
BOI
Boise
$407 Roundtrip, found 3 hours ago
$407
Roundtrip
found 3 hours ago
Select Delta flight, departing Mon, Sep 22 from Twin Falls to Boise, returning Tue, Oct 7, priced at $407 found 3 hours ago
Delta
Fri, Nov 14 - Sat, Nov 15
TWF
Twin Falls
BOI
Boise
$427 Roundtrip, found 6 days ago
$427
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Nov 14 from Twin Falls to Boise, returning Sat, Nov 15, priced at $427 found 6 days ago
Delta
Tue, Sep 16 - Tue, Oct 7
TWF
Twin Falls
BOI
Boise
$437 Roundtrip, found 3 hours ago
$437
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Sep 16 from Twin Falls to Boise, returning Tue, Oct 7, priced at $437 found 3 hours ago
Delta
Sat, Sep 27 - Tue, Oct 7
TWF
Twin Falls
BOI
Boise
$443 Roundtrip, found 9 hours ago
$443
Roundtrip
found 9 hours ago
Select Delta flight, departing Sat, Sep 27 from Twin Falls to Boise, returning Tue, Oct 7, priced at $443 found 9 hours ago
Delta
Tue, Sep 16 - Sat, Sep 20
TWF
Twin Falls
BOI
Boise
$453 Roundtrip, found 3 hours ago
$453
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Sep 16 from Twin Falls to Boise, returning Sat, Sep 20, priced at $453 found 3 hours ago
Delta
Fri, Sep 12 - Tue, Sep 23
TWF
Twin Falls
BOI
Boise
$457 Roundtrip, found 9 hours ago
$457
Roundtrip
found 9 hours ago
Select Delta flight, departing Fri, Sep 12 from Twin Falls to Boise, returning Tue, Sep 23, priced at $457 found 9 hours ago
Delta
Tue, Sep 16 - Mon, Sep 22
TWF
Twin Falls
BOI
Boise
$467 Roundtrip, found 3 hours ago
$467
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Sep 16 from Twin Falls to Boise, returning Mon, Sep 22, priced at $467 found 3 hours ago
Delta
Fri, Sep 19 - Sat, Sep 20
TWF
Twin Falls
BOI
Boise
$473 Roundtrip, found 3 hours ago
$473
Roundtrip
found 3 hours ago
Select Delta flight, departing Fri, Sep 19 from Twin Falls to Boise, returning Sat, Sep 20, priced at $473 found 3 hours ago
Delta
Sat, Sep 6 - Mon, Sep 22
TWF
Twin Falls
BOI
Boise
$477 Roundtrip, found 9 hours ago
$477
Roundtrip
found 9 hours ago
Select Delta flight, departing Sat, Sep 6 from Twin Falls to Boise, returning Mon, Sep 22, priced at $477 found 9 hours ago

Find the cheapest month to fly from Twin Falls (TWF) to Boise (BOI)

October is typically the cheapest month to fly

From $433 - $1,234 per traveler.

Graph displaying average flight prices per month

Alternative airports near Boise

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

Select flight to Boise Airport BOI. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $477
BOI
Boise Airport
CheapestClosest
Average driving time to city center8 min
Flights from $477
Flights from Twin Falls (TWF) to Boise (BOI)
Origin airport
Twin Falls
Destination airport
Boise
Roundtrip price
$376
Distance
115 mi

Twin Falls to Boise Flights

The cheapest times to fly from Twin Falls to Boise

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

 

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

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

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 Boise in 2025. You can also book with separate airlines for your outbound and return journeys, from $194 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 Boise 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 Boise 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.

 

Frequently asked questions

How much does a flight from Twin Falls Airport (TWF) to Boise Airport (BOI) cost?
Get a cheap one-way flight from $194 or cheap return flight from $377 from Twin Falls Airport (TWF) to Boise Airport (BOI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Twin Falls Airport (TWF) to Boise Airport (BOI)?
The cheapest month to fly from TWF to BOI is September, when there's less demand. Off-peak season is often when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Twin Falls Airport (TWF) to Boise Airport (BOI)?
To find the cheapest airline flying from TWF to BOI, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Twin Falls Airport (TWF) to Boise Airport (BOI)?
You'll need to catch a flight with a layover when traveling from Twin Falls Airport (TWF) to Boise Airport (BOI). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from TWF to BOI?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on a number of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from TWF to BOI?
Consider traveling with Delta Air Lines if you'd like to fly straight from Twin Falls Airport (TWF) to Boise Airport (BOI) without any interruptions. This airline has the best track record for punctuality, with an on-time score of 100%. Want to be notified if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Twin Falls Airport (TWF) to Boise Airport (BOI)?
To land at Boise Airport (BOI) on time, book a flight that leaves from Twin Falls Airport (TWF) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Twin Falls Airport (TWF) to Boise Airport (BOI) last-minute?
Waiting until just before your departure to book a flight from TWF to BOI often results in higher prices. Although you may find some last-minute deals, they aren't always guaranteed. Be flexible with your itinerary to maximize your chances of snagging a bargain.
Is it cheaper to book a TWF to BOI flight and hotel package?
Compared with arranging hotels and flights separately, booking a TWF to BOI flight and hotel package with Expedia could result in significant savings. What's more, having it all in one place will take the hassle out of travel planning. Just pick your flights and select from our extensive range of hotels, then personalize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Twin Falls Airport (TWF) to Boise Airport (BOI)?
It's usually possible to cancel or reschedule your TWF to BOI flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.