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$117+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — HOU
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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Cheap flight deals from Idaho to Houston

Keep the following information in mind while searching for Idaho to Houston flight deals. Data was last updated November 2, 2025.

Round-trip from

$130
(Frontier)

Popular in

March

Cheapest in

September

Average price

$403
From Idaho to Houston
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($17 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 November 2025
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Find 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 November 2, 2025.

This Frontier deal was found by Cheapflights users on 10/31. 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 12/412:44 pmBOI - IAH
1 stop10h 47mFrontier
Wed 12/1010:45 amIAH - BOI
1 stop26h 04mFrontier
Deal found 10/31$130
This Frontier deal was found by Cheapflights users on 11/2. 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 12/1112:44 pmBOI - IAH
1 stop10h 47mFrontier
Sun 12/146:45 amIAH - BOI
1 stop6h 04mFrontier
Deal found 11/2$226
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 12/1112:44 pmBOI - IAH
1 stop10h 47mMultiple Airlines
Sun 12/149:06 pmIAH - BOI
1 stop19h 38mMultiple Airlines
Deal found 10/31$228
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 12/119:13 pmGEG - IAH
1 stop14h 44mMultiple Airlines
Thu 12/189:55 amIAH - GEG
1 stop11h 06mMultiple Airlines
Deal found 10/31$229
This Booking.com deal was found by Cheapflights users on 11/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:33 pmBOI - IAH
1 stop21h 04mFrontier
Sat 11/158:48 pmIAH - BOI
1 stop15h 55mFrontier
Deal found 11/2$234
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 11/191:22 pmIDA - IAH
2 stops25h 59mMultiple Airlines
Tue 11/259:33 pmIAH - IDA
1 stop19h 30mMultiple Airlines
Deal found 10/31$262
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 12/44:39 pmIDA - IAH
1 stop6h 19mMultiple Airlines
Sun 12/76:45 amIAH - IDA
2 stops32h 51mMultiple Airlines
Deal found 11/1$278
This Southwest deal was found by Cheapflights users on 10/31. 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.
Thu 12/45:15 amBOI - HOU
1 stop5h 20mSouthwest
Wed 12/109:00 amHOU - BOI
1 stop7h 05mSouthwest
Deal found 10/31$283
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/158:16 pmIDA - IAH
1 stop26h 42mMultiple Airlines
Wed 1/77:59 pmIAH - IDA
2 stops43h 20mMultiple Airlines
Deal found 11/2$285
This Southwest deal was found by Cheapflights users on 10/31. 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.
Thu 12/115:15 amBOI - HOU
1 stop5h 20mSouthwest
Sun 12/145:10 amHOU - BOI
1 stop5h 55mSouthwest
Deal found 10/31$289
This Delta deal was found by Cheapflights users on 10/31. 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.
Sun 11/236:00 amBOI - IAH
1 stop5h 04mDelta
Wed 11/265:48 pmIAH - BOI
1 stop7h 21mDelta
Deal found 10/31$289
This Southwest deal was found by Cheapflights users on 11/1. 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.
Mon 12/812:40 pmGEG - HOU
1 stop6h 20mSouthwest
Mon 12/155:35 amHOU - GEG
1 stop6h 00mSouthwest
Deal found 11/1$297

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 November 2, 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 - IAH

BOIIAH

Boise Air Term. Gowen Fld

Thu 12/4

12:44 pm-12:31 am

1 stop10h 47m

Houston George Bush Intcntl

Wed 12/10

10:45 am-11:49 am

1 stop26h 04m

$130

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Thu 12/11

12:44 pm-12:31 am

1 stop10h 47m

Houston George Bush Intcntl

Sun 12/14

9:06 pm-3:44 pm

1 stop19h 38m

$228

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Thu 11/13

12:33 pm-10:37 am

1 stop21h 04m

Houston George Bush Intcntl

Sat 11/15

8:48 pm-11:43 am

1 stop15h 55m

$234

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Tue 3/3

1:30 pm-11:59 pm

1 stop9h 29m

Houston George Bush Intcntl

Wed 3/4

5:54 pm-11:50 pm

1 stop6h 56m

$250

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Tue 3/3

7:30 am-9:40 pm

2 stops13h 10m

Houston George Bush Intcntl

Wed 3/4

7:45 am-12:18 pm

1 stop5h 33m

$256

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Sat 1/31

1:55 pm-11:59 pm

1 stop9h 04m

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

Sat 1/31

11:20 am-11:58 pm

2 stops11h 38m

Houston George Bush Intcntl

Sun 2/8

6:36 am-1:36 pm

1 stop8h 00m

$275

BoiseHouston

BOI - HOU

BOIHOU

Boise Air Term. Gowen Fld

Thu 12/4

5:15 am-11:35 am

1 stop5h 20m

Houston Hobby

Wed 12/10

9:00 am-3:05 pm

1 stop7h 05m

$283

BoiseHouston

BOI - HOU

BOIHOU

Boise Air Term. Gowen Fld

Thu 12/11

5:15 am-11:35 am

1 stop5h 20m

Houston Hobby

Sun 12/14

5:10 am-10:05 am

1 stop5h 55m

$289

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Thu 1/22

8:00 am-4:55 pm

1 stop6h 55m

Houston George Bush Intcntl

Mon 1/26

7:17 pm-12:23 am

1 stop7h 06m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 60 results
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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, November is the cheapest month in which you can book a flight from Idaho to Houston (average of $110). Flying from Idaho to Houston in February is currently the most expensive (average of $273). 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 November 2, 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.

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?

    Frontier, Alaska Airlines, and Southwest can get you from Idaho to Houston in just under 5h 20m. Your travel time can differ by up to 5h 27m. 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 Frontier ($117), American Airlines ($179), and Delta ($190).

  • 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 Spokane - Houston Hobby or Boise Air Term. Gowen Fld - Houston George Bush Intcntl.

  • 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, November is the cheapest month in which you can book a flight from Idaho to Houston (average of $110). Flying from Idaho to Houston in February is currently the most expensive (average of $273). 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 Idaho to Houston

See prices for flight routes from nearby airports that may be better suited for you.
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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 November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$180Average$452FlexibilityNo cancel feeOn-time71%
DeltaCheapest$194Average$416FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$206Average$473FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$238Average$409FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$268Average$467FlexibilityNo cancel feeOn-time69%

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