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£97 Cheap Flights from Houston (IAH) to Boise (BOI)

View £97 flight on Thu, 13 Aug 2026Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Boise Airport (BOI)

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

Prices were available within the past 7 days and start at £97 for one-way flights and £382 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, 25 Jul - Tue, 28 Jul
IAH
Houston
BOI
Boise
£382 Return, just found
£382
Return
just found
Select Alaska Airlines flight, departing Sat, 25 Jul from Houston to Boise, returning Tue, 28 Jul, priced at £382 just found
Alaska Airlines
Sat, 25 Jul - Tue, 28 Jul
IAH
Houston
BOI
Boise
£410 Return, just found
£410
Return
just found
Select Alaska Airlines flight, departing Sat, 25 Jul from Houston to Boise, returning Tue, 28 Jul, priced at £410 just found
Alaska Airlines
Sat, 25 Jul - Tue, 28 Jul
IAH
Houston
BOI
Boise
£425 Return, just found
£425
Return
just found
Select Alaska Airlines flight, departing Sat, 25 Jul from Houston to Boise, returning Tue, 28 Jul, priced at £425 just found
Alaska Airlines
Sat, 25 Jul - Tue, 28 Jul
IAH
Houston
BOI
Boise
£430 Return, just found
£430
Return
just found
Select Alaska Airlines flight, departing Sat, 25 Jul from Houston to Boise, returning Tue, 28 Jul, priced at £430 just found
Alaska Airlines
Thu, 23 Jul - Tue, 28 Jul
IAH
Houston
BOI
Boise
£437 Return, just found
£437
Return
just found
Select Alaska Airlines flight, departing Thu, 23 Jul from Houston to Boise, returning Tue, 28 Jul, priced at £437 just found
Alaska Airlines
Sat, 25 Jul - Tue, 28 Jul
IAH
Houston
BOI
Boise
£453 Return, just found
£453
Return
just found
Select Alaska Airlines flight, departing Sat, 25 Jul from Houston to Boise, returning Tue, 28 Jul, priced at £453 just found
Alaska Airlines
Sat, 25 Jul - Tue, 28 Jul
IAH
Houston
BOI
Boise
£471 Return, just found
£471
Return
just found
Select Alaska Airlines flight, departing Sat, 25 Jul from Houston to Boise, returning Tue, 28 Jul, priced at £471 just found
Alaska Airlines
Sat, 25 Jul - Tue, 28 Jul
IAH
Houston
BOI
Boise
£473 Return, just found
£473
Return
just found
Select Alaska Airlines flight, departing Sat, 25 Jul from Houston to Boise, returning Tue, 28 Jul, priced at £473 just found
Alaska Airlines
Sat, 25 Jul - Tue, 28 Jul
IAH
Houston
BOI
Boise
£476 Return, just found
£476
Return
just found
Select Alaska Airlines flight, departing Sat, 25 Jul from Houston to Boise, returning Tue, 28 Jul, priced at £476 just found
Alaska Airlines
Thu, 23 Jul - Tue, 28 Jul
IAH
Houston
BOI
Boise
£480 Return, just found
£480
Return
just found
Select Alaska Airlines flight, departing Thu, 23 Jul from Houston to Boise, returning Tue, 28 Jul, priced at £480 just found

Find the cheapest month to fly from Houston (IAH) to Boise (BOI)

January is typically the cheapest month to fly

From £142 - £265 per traveller.

Frequently asked questions

How much does a flight from Houston, TX (IAH-George Bush Intercontinental) to Boise, ID (BOI) cost?
You can find one-way and return flights from IAH to BOI with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when IAH to BOI ticket fares go up or down.
What is the cheapest month to fly from Houston, TX (IAH) to Boise, ID (BOI)?
The cheapest months to fly from Houston, TX (IAH) to Boise, ID (BOI) are typically during off-peak season 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 are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Houston, TX (IAH) to Boise, ID (BOI)?
Enter IAH to BOI and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Houston, TX (IAH-George Bush Intercontinental) to Boise, ID (BOI)?
Frontier Airlines is one of the cheapest airlines offering connecting return flights from George Bush Intercontinental (IAH) to Boise (BOI), with tickets starting from around £137 for flights that can be booked for departure within the next year. These prices are per adult, for economy/coach class. 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.
How do I find cheap flights from Houston, TX (IAH) to Boise, ID (BOI)?
To find a cheap flight from Houston, TX (IAH) to Boise, ID (BOI), 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 Houston, TX (IAH-George Bush Intercontinental) to Boise, ID (BOI)?
The cheapest months to fly from Houston, TX (IAH-George Bush Intercontinental) to Boise, ID (BOI) are typically April and January, with average return flights costing around £259. While these months offer the best value, they might not always align with the most popular travel times. If you're flexible, aiming for these months can help you find more affordable fares.
What is the earliest flight from Houston, TX (IAH) to Boise, ID (BOI)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Houston, TX (IAH) to Boise, ID (BOI). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Houston, TX (IAH-George Bush Intercontinental) to Boise, ID (BOI)?
A flight from IAH to BOI with a layover takes around 7 hours 50 minutes, with the route covering approximately 2,383 kilometers. 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 Houston, TX (IAH) to Boise, ID (BOI)?
Select the "Business class" and "First class" filters when looking for Houston, TX (IAH) to Boise, ID (BOI) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Houston, TX (IAH) to Boise, ID (BOI) flight with Expedia?
It's easy to earn miles on a Houston, TX (IAH) to Boise, ID (BOI) 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.
Is it cheaper to buy a plane ticket from Houston, TX (IAH) to Boise, ID (BOI) at the last minute?
Typically, booking a last minute flight from Houston, TX (IAH) to Boise, ID (BOI) 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 Houston, TX (IAH) to Boise, ID (BOI) flight and hotel package?
Securing a Houston, TX (IAH) to Boise, ID (BOI) flight and hotel package 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 Houston, TX (IAH) to Boise, ID (BOI)?
If you booked your Houston, TX (IAH) to Boise, ID (BOI) 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
George Bush Intercontinental
Destination airport
Boise
Return price
£382
Distance
2369 km

Book with confidence

Compare flights from Houston to Boise easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Houston to Boise. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Boise in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from George Bush Intercontinental to Boise.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from George Bush Intercontinental (IAH) to Boise (BOI)

The easiest way to view the best deals on flights from Houston to Boise today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from George Bush Intercontinental to Boise start at just £382 and range up to £480.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Houston and Boise
  • booking your flight during July, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Houston to Boise flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from George Bush Intercontinental to Boise for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Houston to Boise easily and book with confidence

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*Available to Expedia members.