Idaho

$125+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — BOI
Jul 30 — Aug 61
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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 June 30, 2026.

This Frontier deal was found by Cheapflights users on 6/30. 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 9/36:30 am
IAH
-
BOI
1 stop5h 59m
Frontier
Tue 9/81:24 pm
BOI
-
IAH
1 stop10h 31m
Frontier
Deal found 6/30$254
This Frontier deal was found by Cheapflights users on 6/29. 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.
Tue 7/286:30 am
IAH
-
BOI
1 stop6h 59m
Frontier
Tue 8/41:24 pm
BOI
-
IAH
1 stop10h 16m
Frontier
Deal found 6/29$256
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 8/138:43 pm
IAH
-
IDA
1 stop20h 22m
Multiple Airlines
Mon 8/1710:54 pm
IDA
-
IAH
1 stop13h 04m
Multiple Airlines
Deal found 6/28$261
This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Wed 8/191:53 pm
IAH
-
GEG
1 stop21h 29m
Multiple Airlines
Sun 8/3010:12 am
GEG
-
IAH
1 stop24h 46m
Multiple Airlines
Deal found 6/29$269
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Wed 8/197:55 pm
IAH
-
GEG
1 stop15h 27m
Multiple Airlines
Sun 8/2310:12 am
GEG
-
IAH
1 stop24h 46m
Multiple Airlines
Deal found 6/25$271
This Expedia deal was found by Cheapflights users on 6/26. 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.
Sun 7/266:30 am
IAH
-
BOI
1 stop6h 59m
Frontier
Sun 8/21:24 pm
BOI
-
IAH
1 stop10h 16m
Frontier
Deal found 6/26$274
This Priceline deal was found by Cheapflights users on 6/28. 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.
Tue 8/116:30 am
IAH
-
BOI
1 stop6h 59m
Multiple Airlines
Wed 8/128:47 pm
BOI
-
IAH
1 stop8h 33m
Multiple Airlines
Deal found 6/28$285
This Trip.com deal was found by Cheapflights users on 6/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:30 am
IAH
-
BOI
1 stop6h 59m
Multiple Airlines
Sat 8/158:47 pm
BOI
-
IAH
1 stop8h 33m
Multiple Airlines
Deal found 6/28$286
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 8/1010:09 pm
IAH
-
BOI
1 stop15h 20m
Frontier
Tue 8/181:24 pm
BOI
-
IAH
1 stop10h 31m
Frontier
Deal found 6/30$287
This Travelocity deal was found by Cheapflights users on 6/25. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:30 am
IAH
-
BOI
1 stop6h 59m
Frontier
Tue 7/281:24 pm
BOI
-
IAH
1 stop20h 10m
Frontier
Deal found 6/25$289
This Priceline deal was found by Cheapflights users on 6/29. 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.
Sat 8/16:02 am
IAH
-
BOI
1 stop7h 45m
Multiple Airlines
Thu 8/61:24 pm
BOI
-
IAH
1 stop6h 50m
Multiple Airlines
Deal found 6/29$290
This Expedia deal was found by Cheapflights users on 6/30. 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.
Sun 8/96:30 am
IAH
-
BOI
1 stop6h 59m
Multiple Airlines
Wed 8/128:47 pm
BOI
-
IAH
1 stop8h 33m
Multiple Airlines
Deal found 6/30$297

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 June 30, 2026.

Round-trip from

$254
(Frontier)

One-way from

$125
(Frontier)

Popular in

March

Cheapest in

April

Average price

$392
From Houston George Bush Intcntl to Idaho
One-way flight from Houston George Bush Intcntl to Idaho
Highest demand for flights based on searches. 10% potential increase in price ($44 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($23 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 June 30, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonIdaho Falls

IAH - IDA

IAHIDA

Houston George Bush Intcntl

Thu 10/22

5:15 am-9:53 am

1 stop5h 38m

Idaho Falls Fanning Field

Mon 10/26

5:40 pm-11:58 pm

1 stop5h 18m

$329

HoustonIdaho Falls

IAH - IDA

IAHIDA

Houston George Bush Intcntl

Tue 11/3

2:24 pm-11:42 pm

1 stop10h 18m

Idaho Falls Fanning Field

Sat 11/7

1:53 pm-11:58 pm

1 stop9h 05m

$335

HoustonIdaho Falls

IAH - IDA

IAHIDA

Houston George Bush Intcntl

Sat 9/19

2:34 pm-10:56 pm

1 stop9h 22m

Idaho Falls Fanning Field

Mon 9/28

3:57 pm-1:31 pm

1 stop20h 34m

$344

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Fri 8/14

2:28 pm-6:19 pm

1 stop5h 51m

Spokane

Sun 8/16

6:16 am-3:14 pm

1 stop6h 58m

$349

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Thu 9/3

5:48 pm-11:09 pm

1 stop7h 21m

Spokane

Tue 9/8

5:20 am-1:35 pm

1 stop6h 15m

$349

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Sat 7/25

6:02 am-12:26 pm

1 stop8h 24m

Spokane

Sat 8/1

5:00 am-1:35 pm

1 stop6h 35m

$349

HoustonIdaho Falls

IAH - IDA

IAHIDA

Houston George Bush Intcntl

Wed 8/12

7:20 am-6:20 pm

2 stops12h 00m

Idaho Falls Fanning Field

Wed 8/19

11:35 am-11:54 pm

2 stops11h 19m

$351

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Thu 8/27

4:14 pm-11:53 pm

2 stops9h 39m

Spokane

Sun 8/30

10:56 pm-11:15 am

1 stop10h 19m

$354

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Sat 8/1

7:25 am-7:15 pm

2 stops13h 50m

Spokane

Thu 8/6

5:30 am-1:37 pm

1 stop6h 07m

$354

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Fri 10/2

7:06 pm-11:57 pm

1 stop6h 51m

Spokane

Mon 10/5

5:15 pm-8:37 am

2 stops13h 22m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Showing 1-10 of 57 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Idaho (average of $147). Flying from Houston George Bush Intcntl Airport to Idaho in May is currently the most expensive (average of $365). 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.

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 June 30, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andUnited 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.

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Stephen,Jun 2024

AUS - SAN

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Stephen,Jun 2024

AUS - SAN

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Stephen,Jun 2024

AUS - SAN

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Stephen,Jun 2024

AUS - SAN

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Stephen,Jun 2024

AUS - SAN

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

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 5h 38m. United Airlines provides one of the quickest options available for as low as $329. Houston George Bush Intcntl Airport and Idaho are separated by a distance of 1310 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?

    $91 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and American Airlines, with prices starting from $102 and $135, respectively.

  • What are the most popular routes 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, February is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Idaho (average of $147). Flying from Houston George Bush Intcntl Airport to Idaho in May is currently the most expensive (average of $365). 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.

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 June 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$246Average$467FlexibilityNo cancel feeOn-time69%
DeltaCheapest$250Average$373FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$379FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$423Average$578FlexibilityNo cancel feeOn-time75%

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