HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
George Bush Intcntl

$121+ Cheap flights from Idaho to George Bush Intcntl (IAH)

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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — IAH
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho to George Bush Intcntl 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 George Bush Intcntl

Keep the following information in mind while searching for Idaho to George Bush Intcntl flight deals. Data was last updated September 17, 2025.

Round-trip from

$205
(Priceline)

One-way from

$121
(United Airlines)

Popular in

March

Cheapest in

September

Average price

$302
From Idaho to Houston George Bush Intcntl
Search Deals
One-way flight from Idaho to Houston George Bush Intcntl
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Idaho to George Bush Intcntl

Cheapest flights from Idaho to George Bush Intcntl
Explore the most affordable flight options available from Idaho to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Priceline deal was found by Cheapflights users on 9/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/912:28 pmBOI - IAH
1 stop10h 08mFrontier
Sun 10/126:00 amIAH - BOI
1 stop6h 43mFrontier
Deal found 9/17$205
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2612:22 pmBOI - IAH
1 stop10h 17mFrontier
Fri 10/36:15 amIAH - BOI
1 stop6h 22mFrontier
Deal found 9/15$207
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2612:22 pmBOI - IAH
1 stop10h 17mFrontier
Thu 10/26:15 amIAH - BOI
1 stop6h 22mFrontier
Deal found 9/15$208
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:03 pmGEG - IAH
1 stop9h 36mFrontier
Sun 11/166:00 amIAH - GEG
1 stop7h 08mFrontier
Deal found 9/15$209
This Priceline deal was found by Cheapflights users on 9/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:53 amGEG - IAH
1 stop9h 46mFrontier
Sun 10/56:15 amIAH - GEG
1 stop6h 43mFrontier
Deal found 9/16$215
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/212:33 pmBOI - IAH
1 stop10h 06mFrontier
Sat 11/88:48 pmIAH - BOI
1 stop16h 00mFrontier
Deal found 9/17$228
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/212:33 pmBOI - IAH
1 stop10h 06mFrontier
Thu 11/66:00 amIAH - BOI
1 stop6h 48mFrontier
Deal found 9/17$235
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:20 pmBOI - IAH
1 stop8h 32mAlaska Airlines
Wed 11/55:51 pmIAH - BOI
1 stop7h 08mAlaska Airlines
Deal found 9/17$239
This United Airlines deal was found by Cheapflights users on 9/16. 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 11/192:40 pmBOI - IAH
1 stop6h 19mUnited Airlines
Mon 11/245:02 pmIAH - BOI
1 stop7h 26mUnited Airlines
Deal found 9/16$240
This Delta deal was found by Cheapflights users on 9/17. 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.
Fri 10/319:00 amBOI - IAH
2 stops11h 32mDelta
Sat 11/86:40 amIAH - BOI
1 stop8h 22mDelta
Deal found 9/17$245
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:20 pmBOI - IAH
1 stop8h 32mAlaska Airlines
Mon 11/35:51 pmIAH - BOI
1 stop7h 08mAlaska Airlines
Deal found 9/17$249
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/292:20 pmBOI - IAH
1 stop8h 32mAlaska Airlines
Wed 11/57:00 amIAH - BOI
1 stop10h 17mAlaska Airlines
Deal found 9/17$250

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to George Bush Intcntl 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 September 17, 2025.
Use the filters below to find and compare flights from Idaho to Houston George Bush Intcntl Airport that are best for you.

Fly from

Idaho

Fly to

George Bush Intcntl

Route

Depart

Return

Price

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Thu 11/13

12:03 pm-11:39 pm

1 stop9h 36m

Houston George Bush Intcntl

Sun 11/16

6:00 am-11:08 am

1 stop7h 08m

$209

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Fri 12/5

12:59 pm-10:37 am

1 stop20h 38m

Houston George Bush Intcntl

Sun 12/7

6:45 am-12:04 pm

1 stop6h 19m

$228

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Wed 11/19

2:40 pm-9:59 pm

1 stop6h 19m

Houston George Bush Intcntl

Mon 11/24

5:02 pm-11:28 pm

1 stop7h 26m

$240

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Fri 10/31

9:00 am-9:32 pm

2 stops11h 32m

Houston George Bush Intcntl

Wed 11/5

2:30 pm-11:59 pm

2 stops10h 29m

$250

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Wed 11/19

7:30 am-9:38 pm

2 stops13h 08m

Houston George Bush Intcntl

Mon 11/24

11:46 am-12:07 am

2 stops13h 21m

$250

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Tue 3/3

1:43 pm-11:59 pm

1 stop9h 16m

Houston George Bush Intcntl

Wed 3/4

7:45 am-12:18 pm

1 stop5h 33m

$251

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Thu 11/6

12:33 pm-11:39 pm

1 stop10h 06m

Houston George Bush Intcntl

Sun 11/9

6:00 am-11:48 am

1 stop6h 48m

$255

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Sat 11/1

8:55 am-9:34 pm

2 stops11h 39m

Houston George Bush Intcntl

Wed 11/5

5:45 pm-11:59 pm

1 stop7h 14m

$256

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Wed 10/8

8:55 am-5:36 pm

1 stop7h 41m

Houston George Bush Intcntl

Tue 10/14

4:00 pm-11:59 pm

2 stops8h 59m

$256

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Mon 10/27

8:45 am-6:26 pm

1 stop7h 41m

Houston George Bush Intcntl

Thu 11/6

7:26 pm-12:22 am

1 stop6h 56m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 59 results
1
2
3
...
6

Best time to book a flight from Idaho to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl 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 George Bush Intcntl Airport

What is the cheapest month to book a flight from Idaho to Houston George Bush Intcntl Airport?

Currently, August is the cheapest month in which you can book a flight from Idaho to Houston George Bush Intcntl Airport (average of $241). Flying from Idaho to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 IAH?

Find hourly flight availability from Idaho to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

When flying from Idaho to Houston George Bush Intcntl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Idaho to George Bush Intcntl. 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 George Bush Intcntl Airport?

    A quick flight from Idaho to Houston George Bush Intcntl Airport can take about 6h 19m. Frontier provides one of the quickest options available for as low as $240. Airlines will cover a distance of 1480 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 George Bush Intcntl Airport one-way?

    One-way options have recently been found by users for as low as $121 on United Airlines. Other airlines that offer cheap prices include Hawaiian Airlines from $125 and American Airlines from $126 one-way.

  • What are the most popular routes from Idaho to Houston George Bush Intcntl Airport?

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

  • Can I find deals for flights from Idaho to George Bush Intcntl that include hotel bookings?

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

  • How can I find direct flights from Idaho to George Bush Intcntl?

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

  • Can I find deals for business class flights from Idaho to George Bush Intcntl?

    Yes. Cheapflights offers flight deals from Idaho to George Bush Intcntl 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 George Bush Intcntl Airport?

    Currently, August is the cheapest month in which you can book a flight from Idaho to Houston George Bush Intcntl Airport (average of $241). Flying from Idaho to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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

Traveling to a place near Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Montgomery
Spring
Jersey Village
Humble
The Woodlands
Conroe
Tomball
Katy
Cypress

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 George Bush Intcntl

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

Top 4 airlines flying from Idaho to George Bush Intcntl

Discover the top 4 airlines that operate flights from Idaho to George Bush Intcntl. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$191Average$445FlexibilityNo cancel feeOn-time71%
DeltaCheapest$194Average$370FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$268Average$568FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$303Average$559FlexibilityNo 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.