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$91+ Cheap flights from George Bush Intcntl (IAH) to Idaho

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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — BOI
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from George Bush Intcntl to Idaho

Cheapest flights from George Bush Intcntl to Idaho
Explore the most affordable flight options available from George Bush Intcntl to Idaho. 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 12/16. 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.
Wed 12/246:09 pmIAH - GEG
1 stop7h 07mDelta
Thu 1/16:00 amGEG - IAH
1 stop9h 14mDelta
Deal found 12/16$323
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.
Thu 12/256:40 amIAH - GEG
1 stop8h 05mUnited Airlines
Wed 12/314:00 pmGEG - IAH
1 stop6h 33mUnited Airlines
Deal found 12/16$416
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.
Wed 12/315:57 pmIAH - GEG
1 stop7h 03mMultiple Airlines
Sun 1/412:02 pmGEG - IAH
1 stop20h 35mMultiple Airlines
Deal found 12/16$428
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.
Thu 12/183:55 pmIAH - BOI
1 stop8h 04mUnited Airlines
Wed 12/245:12 pmBOI - IAH
1 stop6h 21mUnited Airlines
Deal found 12/17$429
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:21 pmIAH - GEG
2 stops44h 46mFrontier
Sat 1/312:02 pmGEG - IAH
1 stop20h 35mFrontier
Deal found 12/16$453
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 12/243:00 pmIAH - GEG
1 stop7h 58mUnited Airlines
Wed 12/314:00 pmGEG - IAH
1 stop6h 33mUnited Airlines
Deal found 12/16$466
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:28 pmIAH - GEG
2 stops38h 39mFrontier
Sat 1/312:02 pmGEG - IAH
1 stop20h 35mFrontier
Deal found 12/16$474
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.
Thu 12/255:00 amIAH - IDA
1 stop5h 58mUnited Airlines
Wed 12/314:05 pmIDA - IAH
1 stop6h 11mUnited Airlines
Deal found 12/17$481
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:21 pmIAH - GEG
2 stops44h 46mFrontier
Tue 12/3012:02 pmGEG - IAH
1 stop10h 36mFrontier
Deal found 12/16$482
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:28 pmIAH - GEG
2 stops38h 39mFrontier
Tue 12/3012:02 pmGEG - IAH
1 stop10h 36mFrontier
Deal found 12/16$503
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:55 pmIAH - GEG
1 stop17h 12mFrontier
Sat 1/312:02 pmGEG - IAH
1 stop20h 35mFrontier
Deal found 12/16$506
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.
Wed 12/175:55 pmIAH - BOI
1 stop7h 00mMultiple Airlines
Sun 12/2112:38 pmBOI - IAH
1 stop11h 00mMultiple Airlines
Deal found 12/15$506

Find flight deals from George Bush Intcntl to Idaho

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

Round-trip from

$172
(Kiwi.com)

One-way from

$91
(Priceline)

Popular in

December

Cheapest in

August

Average price

$407
From Houston George Bush Intcntl to Idaho
Search Deals
One-way flight from Houston George Bush Intcntl to Idaho
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 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 George Bush Intcntl to Idaho 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 Houston George Bush Intcntl Airport to Idaho that are best for you.

Fly from

George Bush Intcntl

Fly to

Idaho

Route

Depart

Return

Price

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Thu 1/8

6:45 am-12:24 pm

1 stop7h 39m

Spokane

Thu 1/15

11:22 am-12:33 am

1 stop11h 11m

$203

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Tue 1/13

3:22 pm-9:25 pm

1 stop7h 03m

Boise Air Term. Gowen Fld

Tue 1/20

5:16 pm-11:59 pm

1 stop5h 43m

$246

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Wed 3/4

5:33 pm-11:59 pm

1 stop7h 26m

Boise Air Term. Gowen Fld

Mon 3/9

8:27 pm-4:33 pm

1 stop19h 06m

$269

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Wed 3/4

7:15 am-4:15 pm

2 stops10h 00m

Boise Air Term. Gowen Fld

Mon 3/9

10:40 am-5:19 pm

1 stop5h 39m

$275

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Fri 1/23

5:55 pm-11:58 pm

1 stop7h 03m

Boise Air Term. Gowen Fld

Sun 1/25

5:40 am-4:55 pm

1 stop10h 15m

$289

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Fri 1/23

4:25 pm-11:48 pm

1 stop8h 23m

Boise Air Term. Gowen Fld

Sun 1/25

5:16 pm-11:59 pm

1 stop5h 43m

$289

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Fri 1/23

5:00 am-2:08 pm

2 stops10h 08m

Boise Air Term. Gowen Fld

Sun 1/25

1:58 pm-10:49 pm

1 stop7h 51m

$294

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Wed 4/1

12:41 pm-10:08 pm

2 stops10h 27m

Boise Air Term. Gowen Fld

Sat 4/4

5:30 am-1:14 pm

1 stop6h 44m

$294

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Thu 1/22

6:45 am-11:08 am

1 stop6h 23m

Spokane

Sun 1/25

1:38 pm-11:54 pm

1 stop8h 16m

$300

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Sat 1/3

5:00 am-10:01 am

1 stop6h 01m

Boise Air Term. Gowen Fld

Tue 1/6

10:48 am-8:32 pm

1 stop8h 44m

$300

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 58 results
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Best time to book a flight from George Bush Intcntl to Idaho

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

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

Currently, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Idaho (average of $177). Flying from Houston George Bush Intcntl Airport to Idaho in April is currently the most expensive (average of $304). 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 IAH to ID?

Find hourly flight availability from George Bush Intcntl to Idaho. 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.

It’s typically best to fly out from Houston George Bush Intcntl Airport to Idaho in the evening. Doing so could potentially save you 61% on the flight price compared to flying at noon, which is usually more expensive.

How much does it cost to fly round-trip from Houston George Bush Intcntl Airport to Idaho?

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated December 18, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and United Airlines from Houston George Bush Intcntl Airport to Idaho to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,477 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,477 reviews
Alaska Airlines
8.0
Very good
11,477 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,005 reviews
Alaska Airlines
8.0
Very good
11,477 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,092 reviews
Alaska Airlines
8.0
Very good
11,477 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
American Airlines
7.2
Good
11,055 reviews
Alaska Airlines
8.0
Very good
11,477 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

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

    A quick flight from Houston George Bush Intcntl Airport to Idaho can take about 7h 03m. Frontier provides one of the quickest options available for as low as $246. Houston George Bush Intcntl Airport and Idaho are separated by a distance of 1480 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to Idaho one-way?

    $104 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $125 and $179, respectively.

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

    While some choose either Houston George Bush Intcntl - Spokane or Houston George Bush Intcntl - Boise Air Term. Gowen Fld, Houston George Bush Intcntl - Jackson Hole is the most popular route from Houston George Bush Intcntl Airport to Idaho.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Idaho (average of $177). Flying from Houston George Bush Intcntl Airport to Idaho in April is currently the most expensive (average of $304). 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

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Alternative routes for George Bush Intcntl to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from George Bush Intcntl to Idaho

Discover the top 4 airlines that operate flights from George Bush Intcntl to Idaho. 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
United AirlinesCheapest$246Average$437FlexibilityNo cancel feeOn-time69%
DeltaCheapest$246Average$511FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$379FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$350Average$458FlexibilityNo cancel feeOn-time75%

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