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George Bush Intcntl

$72+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — IAH
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 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 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 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 Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2312:02 pmGEG - IAH
1 stop20h 35mMultiple Airlines
Wed 12/315:57 pmIAH - GEG
1 stop7h 03mMultiple Airlines
Deal found 12/15$523
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/232:30 pmIDA - IAH
1 stop6h 50mUnited Airlines
Thu 1/811:05 amIAH - IDA
1 stop5h 26mUnited Airlines
Deal found 12/16$531
This United Airlines deal was found by Cheapflights users on 12/18. 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 12/194:05 pmIDA - IAH
1 stop5h 15mUnited Airlines
Sat 1/107:13 amIAH - IDA
1 stop7h 17mUnited Airlines
Deal found 12/18$547

Find 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 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 George Bush Intcntl
Search Deals
One-way flight from Idaho to Houston George Bush Intcntl
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Highest demand for flights based on searches. 5% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 18, 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

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 - 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

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Sat 1/31

4:04 pm-4:55 pm

1 stop23h 51m

Houston George Bush Intcntl

Sun 2/8

7:00 am-3:10 pm

1 stop9h 10m

$269

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Wed 2/11

11:20 am-5:46 pm

1 stop5h 26m

Houston George Bush Intcntl

Sun 2/15

6:38 am-1:58 pm

1 stop8h 20m

$270

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Wed 2/18

5:20 am-3:48 pm

1 stop9h 28m

Houston George Bush Intcntl

Fri 2/20

6:38 am-1:58 pm

1 stop8h 20m

$270

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 55 results
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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, June is the cheapest month in which you can book a flight from Idaho to Houston George Bush Intcntl Airport (average of $127). Flying from Idaho to Houston George Bush Intcntl Airport in January is currently the most expensive (average of $385). 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 December 18, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 47% on flights from Idaho to Houston George Bush Intcntl Airport by exploring options for tickets in the evening.

What is the cheapest day to fly from Idaho to Houston George Bush Intcntl Airport?

Use this chart to determine the cheapest time to fly round-trip from Idaho to George Bush Intcntl. Price data was last updated on September 28, 2025.

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

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 7h 32m. United Airlines provides one of the quickest options available for as low as $251. 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 $104 on Delta. Other airlines that offer cheap prices include American Airlines from $124 and United Airlines from $144 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 Boise Air Term. Gowen Fld - Houston George Bush Intcntl. You may also consider Spokane - 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, June is the cheapest month in which you can book a flight from Idaho to Houston George Bush Intcntl Airport (average of $127). Flying from Idaho to Houston George Bush Intcntl Airport in January is currently the most expensive (average of $385). 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
Spring
Montgomery
Katy
The Woodlands
Tomball
Jersey Village
Humble
Conroe
Cypress

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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$191Average$421FlexibilityNo cancel feeOn-time71%
DeltaCheapest$219Average$382FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$268Average$550FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$269Average$473FlexibilityNo cancel feeOn-time69%

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