$104 Cheap Flights from Houston (IAH) to Boise (BOI)

View $104 flight on Tue, May 20, 2025Opens in a new window
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Cheap Flights from Houston to Boise (IAH-BOI)

Prices were available within the past 7 days and start at $104 for one-way flights and $198 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, May 24 - Thu, May 29
IAH
Houston
BOI
Boise
$198 Roundtrip, found 8 hours ago
$198
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Sat, May 24 from Houston to Boise, returning Thu, May 29, priced at $198 found 8 hours ago
Frontier Airlines
Thu, May 22 - Thu, May 29
IAH
Houston
BOI
Boise
$208 Roundtrip, found 8 hours ago
$208
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Thu, May 22 from Houston to Boise, returning Thu, May 29, priced at $208 found 8 hours ago
United
Thu, May 15 - Tue, May 20
IAH
Houston
BOI
Boise
$210 Roundtrip, found 7 hours ago
$210
Roundtrip
found 7 hours ago
Select United flight, departing Thu, May 15 from Houston to Boise, returning Tue, May 20, priced at $210 found 7 hours ago
Delta
Thu, May 29 - Fri, May 30
IAH
Houston
BOI
Boise
$212 Roundtrip, found 1 day ago
$212
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, May 29 from Houston to Boise, returning Fri, May 30, priced at $212 found 1 day ago
United
Fri, May 30 - Thu, Jun 5
IAH
Houston
BOI
Boise
$214 Roundtrip, found 3 days ago
$214
Roundtrip
found 3 days ago
Select United flight, departing Fri, May 30 from Houston to Boise, returning Thu, Jun 5, priced at $214 found 3 days ago
Frontier Airlines
Wed, Jun 4 - Sun, Jun 8
IAH
Houston
BOI
Boise
$218 Roundtrip, found 8 hours ago
$218
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Wed, Jun 4 from Houston to Boise, returning Sun, Jun 8, priced at $218 found 8 hours ago
Alaska Airlines
Tue, May 13 - Tue, May 20
IAH
Houston
BOI
Boise
$219 Roundtrip, found 3 days ago
$219
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, May 13 from Houston to Boise, returning Tue, May 20, priced at $219 found 3 days ago
Alaska Airlines
Tue, Jul 1 - Thu, Jul 17
IAH
Houston
BOI
Boise
$219 Roundtrip, found 1 day ago
$219
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Jul 1 from Houston to Boise, returning Thu, Jul 17, priced at $219 found 1 day ago
Delta
Wed, May 21 - Sat, May 24
IAH
Houston
BOI
Boise
$223 Roundtrip, found 1 day ago
$223
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, May 21 from Houston to Boise, returning Sat, May 24, priced at $223 found 1 day ago
American Airlines
Sat, Jul 5 - Sat, Jul 12
IAH
Houston
BOI
Boise
$230 Roundtrip, found 3 days ago
$230
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Jul 5 from Houston to Boise, returning Sat, Jul 12, priced at $230 found 3 days ago

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Boise Airport (BOI) cost?
Book cheap return flights starting at $427 from George Bush Intercontinental Airport (IAH) to Boise Airport (BOI). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving IAH on April 25 2025 and touching down at BOI. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from IAH to BOI?
The cheapest flights from IAH to BOI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from IAH to BOI?
Currently, the cheapest airline offering one-way flights from IAH to BOI is United. You can book a seat on this route from $219. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from IAH on July 16 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from George Bush Intercontinental Airport (IAH) to Boise Airport (BOI)?
Direct flights from George Bush Intercontinental Airport (IAH) to Boise Airport (BOI) aren’t available daily, so you’ll need to take a flight with a layover. Explore your options with Expedia’s filters. Enter your travel dates and click on either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from IAH to BOI?
You’ll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from IAH to BOI?
With 89% of flights typically landing on schedule, United Airlines has the best on-time performance for direct flights from George Bush Intercontinental Airport (IAH) to Boise Airport (BOI). To monitor your flight status and get notified if anything changes, use the Expedia App.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Boise Airport (BOI)?
To avoid potential delays on the George Bush Intercontinental Airport (IAH) to Boise Airport (BOI) route, fly before 3 PM. Flights after this time are 22% more likely to be 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 George Bush Intercontinental Airport (IAH) to Boise Airport (BOI) last-minute?
Last-minute bookings from IAH to BOI are generally more expensive. For the lowest rates, start looking for flights ahead of time. That being said, if your travel plans are flexible, you may score a cheap fare right before your trip.
Is it cheaper to book an IAH to BOI flight and hotel package?
You can save money by booking an IAH to BOI flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s simple to manage everything in one convenient place. After choosing your ideal accommodations and flights, consider other add-ons like car rentals, tours and activities.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Boise Airport (BOI)?
If you booked your IAH to BOI flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, 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 want more information.
*Available to One Key members.