£148 Cheap Flights from Houston (IAH) to Boise (BOI)

View £148 flight on Thu, 23 Jul 2026Opens in a new window

Flight 1

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 £148 for one-way flights and £301 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, 7 Sept - Mon, 21 Sept
IAH
Houston
BOI
Boise
£301 Return, found 1 day ago
£301
Return
found 1 day ago
Select Alaska Airlines flight, departing Mon, 7 Sept from Houston to Boise, returning Mon, 21 Sept, priced at £301 found 1 day ago
Alaska Airlines
Mon, 7 Sept - Mon, 21 Sept
IAH
Houston
BOI
Boise
£335 Return, found 1 day ago
£335
Return
found 1 day ago
Select Alaska Airlines flight, departing Mon, 7 Sept from Houston to Boise, returning Mon, 21 Sept, priced at £335 found 1 day ago
Alaska Airlines
Mon, 7 Sept - Mon, 21 Sept
IAH
Houston
BOI
Boise
£349 Return, found 1 day ago
£349
Return
found 1 day ago
Select Alaska Airlines flight, departing Mon, 7 Sept from Houston to Boise, returning Mon, 21 Sept, priced at £349 found 1 day ago
Alaska Airlines
Mon, 7 Sept - Mon, 21 Sept
IAH
Houston
BOI
Boise
£362 Return, found 1 day ago
£362
Return
found 1 day ago
Select Alaska Airlines flight, departing Mon, 7 Sept from Houston to Boise, returning Mon, 21 Sept, priced at £362 found 1 day ago
Alaska Airlines
Mon, 7 Sept - Mon, 21 Sept
IAH
Houston
BOI
Boise
£371 Return, found 1 day ago
£371
Return
found 1 day ago
Select Alaska Airlines flight, departing Mon, 7 Sept from Houston to Boise, returning Mon, 21 Sept, priced at £371 found 1 day ago
Alaska Airlines
Mon, 7 Sept - Mon, 21 Sept
IAH
Houston
BOI
Boise
£382 Return, found 1 day ago
£382
Return
found 1 day ago
Select Alaska Airlines flight, departing Mon, 7 Sept from Houston to Boise, returning Mon, 21 Sept, priced at £382 found 1 day ago
Alaska Airlines
Mon, 7 Sept - Mon, 21 Sept
IAH
Houston
BOI
Boise
£383 Return, found 2 days ago
£383
Return
found 2 days ago
Select Alaska Airlines flight, departing Mon, 7 Sept from Houston to Boise, returning Mon, 21 Sept, priced at £383 found 2 days ago
Alaska Airlines
Mon, 7 Sept - Mon, 21 Sept
IAH
Houston
BOI
Boise
£395 Return, found 1 day ago
£395
Return
found 1 day ago
Select Alaska Airlines flight, departing Mon, 7 Sept from Houston to Boise, returning Mon, 21 Sept, priced at £395 found 1 day ago
Alaska Airlines
Mon, 7 Sept - Mon, 21 Sept
IAH
Houston
BOI
Boise
£416 Return, found 1 day ago
£416
Return
found 1 day ago
Select Alaska Airlines flight, departing Mon, 7 Sept from Houston to Boise, returning Mon, 21 Sept, priced at £416 found 1 day ago

Frequently asked questions

What is the cheapest month to fly from Houston, TX (IAH-George Bush Intercontinental) to Boise, ID (BOI)?
April is typically the cheapest month to fly from Houston, TX (IAH-George Bush Intercontinental) to Boise, ID (BOI), with average round-trip fares around 842 CAD. This is about 16% lower than the average price throughout the year. April often sees lower prices as it falls outside of peak holiday travel seasons, making it a great time to find deals. Other cheap months to fly from Houston, TX (IAH-George Bush Intercontinental) to Boise, ID (BOI) include January and September.*Averages based on flights available on Expedia in the last year.
How do I find cheap flights from Houston, TX (IAH-George Bush Intercontinental) to Boise, ID (BOI)?
To find a cheap flight from Houston, TX (IAH-George Bush Intercontinental) 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 best time to fly from Houston, TX (IAH-George Bush Intercontinental) (IAH) to Boise, ID (BOI) (BOI) for a good value is typically April or January. Based on booking data from the past year, you can expect average round-trip flight prices around 842 CAD during these months. While these might not be the absolute busiest travel times, flying during these months can help you find more budget-friendly options for your trip.*Prices based on flights available on Expedia in the last year.
How many flights per day from Houston, TX (IAH-George Bush Intercontinental) to Boise, ID (BOI)?
There are approximately 54 connecting flights per day from Houston, TX (IAH-George Bush Intercontinental) to Boise, ID (BOI). Some common connection points include Seattle - Tacoma Intl. (SEA), Dallas-Fort Worth Intl. (DFW), and Denver Intl. (DEN).
What is the earliest flight from Houston, TX (IAH-George Bush Intercontinental) to Boise, ID (BOI)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from IAH to BOI. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Houston, TX (IAH-George Bush Intercontinental) to Boise, ID (BOI)?
You'll typically find the most flights from George Bush Intercontinental (IAH) to Boise (BOI) on a Wednesday, with around 44 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United Airlines, Alaska Airlines, and American Airlines. Flight schedules are consistent throughout the week, so you'll find similar options on other days.
What are the most popular departure times for flights from Houston, TX (IAH-George Bush Intercontinental) to Boise, ID (BOI)?
The most popular departure times for flights from Houston, TX (IAH-George Bush Intercontinental) to Boise, ID (BOI) are in the early morning, from 6am to 9am. About 41% of passengers prefer this time window. Many major carriers, including American Airlines, United Airlines and Delta Air Lines, offer flights during this window. These times work well because you can get an early start to your travel day and arrive in Boise with plenty of time.
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 6 hours 20 minutes, with the route covering approximately 1,481 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 Houston, TX (IAH-George Bush Intercontinental) to Boise, ID (BOI)?
Select the "Business class" and "First class" filters when looking for IAH to 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-George Bush Intercontinental) to Boise, ID (BOI) flight with Expedia?
It's easy to earn miles on a Houston, TX (IAH-George Bush Intercontinental) 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-George Bush Intercontinental) to Boise, ID (BOI) at the last minute?
Typically, booking a last minute flight from Houston, TX (IAH-George Bush Intercontinental) 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-George Bush Intercontinental) to Boise, ID (BOI) flight and hotel package?
Securing a Houston, TX (IAH-George Bush Intercontinental) 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-George Bush Intercontinental) to Boise, ID (BOI)?
If you booked your Houston, TX (IAH-George Bush Intercontinental) 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
£301
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, 18 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 £301 and range up to £416.  

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 September, 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.