HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Houston

$72+ Cheap flights from Idaho to Houston

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — HOU
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho to Houston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Idaho to Houston

Cheapest flights from Idaho to Houston
Explore the most affordable flight options available from Idaho to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Delta deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:55 pmBOI - IAH
1 stop8h 56mDelta
Wed 1/1412:47 pmIAH - BOI
1 stop9h 08mDelta
Deal found 12/17$315
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:40 pmBOI - IAH
1 stop6h 40mUnited Airlines
Fri 1/25:00 amIAH - BOI
1 stop6h 01mUnited Airlines
Deal found 12/15$319
This Southwest deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:40 pmBOI - HOU
1 stop6h 30mSouthwest
Wed 1/149:15 amHOU - BOI
1 stop8h 35mSouthwest
Deal found 12/17$335
This Alaska Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/195:43 amBOI - IAH
1 stop10h 14mAlaska Airlines
Tue 1/207:00 amIAH - BOI
1 stop9h 10mAlaska Airlines
Deal found 12/16$404
This Delta deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/193:13 pmBOI - IAH
1 stop7h 04mDelta
Tue 1/207:20 amIAH - BOI
2 stops12h 08mDelta
Deal found 12/16$410
This American Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:27 pmBOI - IAH
1 stop5h 59mAmerican Airlines
Fri 1/26:28 pmIAH - BOI
1 stop6h 12mAmerican Airlines
Deal found 12/15$416
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/232:40 pmBOI - IAH
1 stop6h 40mUnited Airlines
Fri 1/25:00 amIAH - BOI
1 stop6h 01mUnited Airlines
Deal found 12/15$424
This Southwest deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/191:05 pmBOI - HOU
1 stop5h 35mSouthwest
Fri 1/25:30 amHOU - BOI
1 stop5h 30mSouthwest
Deal found 12/17$459
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/195:12 pmBOI - IAH
1 stop6h 21mUnited Airlines
Fri 1/25:00 amIAH - BOI
1 stop6h 01mUnited Airlines
Deal found 12/17$459
This Expedia deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1812:38 pmBOI - IAH
1 stop11h 00mMultiple Airlines
Mon 12/225:57 pmIAH - BOI
1 stop7h 00mMultiple Airlines
Deal found 12/16$472
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:05 pmIDA - IAH
2 stops13h 31mUnited Airlines
Thu 12/2510:25 amIAH - IDA
1 stop5h 59mUnited Airlines
Deal found 12/16$474
This American Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/191:27 pmBOI - HOU
1 stop5h 23mAmerican Airlines
Tue 1/2012:47 pmHOU - BOI
1 stop7h 38mAmerican Airlines
Deal found 12/16$507

Find flight deals from Idaho to Houston

Keep the following information in mind while searching for Idaho to Houston flight deals. Data was last updated December 18, 2025.

Round-trip from

$169
(Kiwi.com)

One-way from

$72
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$455
From Idaho to Houston
Search Deals
One-way flight from Idaho to Houston
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Houston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Idaho to Houston that are best for you.

Fly from

Idaho

Fly to

Houston

Route

Depart

Return

Price

BoiseHouston

BOI - HOU

BOIHOU

Boise Air Term. Gowen Fld

Thu 1/15

3:55 pm-12:05 am

1 stop7h 10m

Houston Hobby

Sun 1/18

6:15 am-10:40 am

1 stop5h 25m

$241

BoiseHouston

BOI - HOU

BOIHOU

Boise Air Term. Gowen Fld

Wed 1/14

1:58 pm-10:46 pm

1 stop7h 48m

Houston Hobby

Wed 1/21

12:47 pm-7:25 pm

1 stop7h 38m

$251

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Wed 1/14

10:48 am-8:32 pm

1 stop8h 44m

Houston George Bush Intcntl

Wed 1/21

12:40 pm-6:07 pm

1 stop6h 27m

$251

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Wed 2/18

3:01 pm-11:33 pm

1 stop7h 32m

Houston George Bush Intcntl

Wed 2/25

12:47 pm-8:55 pm

1 stop9h 08m

$251

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Sun 2/1

8:58 pm-5:55 am

1 stop6h 57m

Houston George Bush Intcntl

Sat 2/21

4:59 pm-2:16 pm

1 stop23h 17m

$251

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Wed 1/14

1:41 pm-11:56 pm

1 stop9h 15m

Houston George Bush Intcntl

Wed 1/21

7:20 am-6:28 pm

2 stops12h 08m

$256

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Sat 2/28

5:24 pm-11:59 pm

1 stop5h 35m

Houston George Bush Intcntl

Wed 3/11

10:12 am-4:49 pm

1 stop7h 37m

$261

BoiseHouston

BOI - HOU

BOIHOU

Boise Air Term. Gowen Fld

Fri 1/9

1:58 pm-10:46 pm

1 stop7h 48m

Houston Hobby

Tue 1/20

12:47 pm-7:25 pm

1 stop7h 38m

$265

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Tue 1/27

9:10 am-4:55 pm

1 stop6h 45m

Houston George Bush Intcntl

Thu 1/29

5:55 pm-11:58 pm

1 stop7h 03m

$269

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Sat 2/21

6:28 am-4:33 pm

1 stop9h 05m

Houston George Bush Intcntl

Mon 2/23

5:33 pm-11:59 pm

1 stop7h 26m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Idaho to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Idaho with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Idaho to Houston

What is the cheapest month to book a flight from Idaho to Houston?

Currently, June is the cheapest month in which you can book a flight from Idaho to Houston (average of $127). Flying from Idaho to Houston in December is currently the most expensive (average of $286). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ID to HOU?

Find hourly flight availability from Idaho to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Idaho to Houston in the evening. If you’re flexible enough to do this you can expect to save up to 33% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Idaho to Houston?

Use this chart to determine the cheapest time to fly round-trip from Idaho to Houston. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Idaho to Houston flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Idaho to Houston?

Related info for your journey

Find useful and relevant information for your journey from Idaho to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Idaho to Houston?

    Southwest, American Airlines, and United Airlines can get you from Idaho to Houston in just under 7h 10m. Your travel time can differ by up to 1h 34m. Airlines will cover a distance of 1499 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Idaho to Houston one-way?

    The cheapest airlines for a one-way flight from Idaho to Houston are Delta ($104), American Airlines ($124), and United Airlines ($134).

  • What are the most popular routes from Idaho to Houston?

    The most popular route from Idaho to Houston is Boise Air Term. Gowen Fld - Houston Hobby. You may also consider Boise Air Term. Gowen Fld - Houston George Bush Intcntl or Spokane - Houston Hobby.

  • Can I find deals for flights from Idaho to Houston that include hotel bookings?

    Yes. In addition to deals on Idaho to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Houston.

  • Can I find deals for business class flights from Idaho to Houston?

    Yes. Cheapflights offers flight deals from Idaho to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Idaho to Houston?

    Currently, June is the cheapest month in which you can book a flight from Idaho to Houston (average of $127). Flying from Idaho to Houston in December is currently the most expensive (average of $286). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho to Houston

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Dallas/Fort Worth flights
O'Hare Intl to Dallas/Fort Worth flights
LaGuardia to Dallas/Fort Worth flights
Newark to Dallas/Fort Worth flights
Seattle to Dallas/Fort Worth flights
Los Angeles to Dallas/Fort Worth flights
Dulles Intl to Dallas/Fort Worth flights
Baltimore to Dallas/Fort Worth flights
Newark to Hobby flights
LaGuardia to Hobby flights
John F Kennedy Intl to Hobby flights
San Francisco to Dallas/Fort Worth flights
Detroit to Dallas/Fort Worth flights
Reagan-National to Dallas/Fort Worth flights
Atlanta to Dallas/Fort Worth flights
Boston to Dallas/Fort Worth flights
John F Kennedy Intl to George Bush Intcntl flights
Newark to George Bush Intcntl flights
Minneapolis to Dallas/Fort Worth flights
John F Kennedy Intl to Austin flights
Midway to Dallas/Fort Worth flights
Los Angeles to Hobby flights
Ontario to Dallas/Fort Worth flights
Dulles Intl to Hobby flights
Reagan-National to Hobby flights
Denver to Dallas/Fort Worth flights
LaGuardia to George Bush Intcntl flights
Philadelphia to Dallas/Fort Worth flights
Seattle to Hobby flights
Santa Ana to Dallas/Fort Worth flights
Orlando to Dallas/Fort Worth flights
Baltimore to Hobby flights
Los Angeles to George Bush Intcntl flights
Newark to Austin flights
Boston to Hobby flights
Dulles Intl to George Bush Intcntl flights
Dallas/Fort Worth to Hobby flights
LaGuardia to Love Field flights
O'Hare Intl to Love Field flights
Sky Harbor Intl to Dallas/Fort Worth flights
Seattle to George Bush Intcntl flights
Fort Lauderdale to Dallas/Fort Worth flights
Los Angeles to Austin flights
Atlanta to Hobby flights
Raleigh to Dallas/Fort Worth flights
Reagan-National to George Bush Intcntl flights
Miami to Dallas/Fort Worth flights
Charlotte to Dallas/Fort Worth flights
Denver to Hobby flights
O'Hare Intl to Hobby flights

Top 5 airlines flying from Idaho to Houston

Discover the top 5 airlines that operate flights from Idaho to Houston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$180Average$411FlexibilityNo cancel feeOn-time71%
DeltaCheapest$194Average$420FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$206Average$472FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$238Average$400FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$267Average$451FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.