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Idaho

$91+ Cheap flights from Houston 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.
HOU — BOI
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Houston to Idaho

Cheapest flights from Houston to Idaho
Explore the most affordable flight options available from Houston 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 Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/205:30 amHOU - BOI
1 stop6h 05mSouthwest
Tue 1/63:35 pmBOI - HOU
1 stop5h 40mSouthwest
Deal found 12/15$420
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 American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/185:40 amHOU - BOI
1 stop7h 57mAmerican Airlines
Wed 12/241:27 pmBOI - HOU
1 stop5h 18mAmerican Airlines
Deal found 12/17$429
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 Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:20 pmHOU - BOI
1 stop6h 05mSouthwest
Mon 12/298:45 pmBOI - HOU
1 stop12h 05mSouthwest
Deal found 12/15$444
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 Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:20 pmHOU - BOI
1 stop6h 05mSouthwest
Tue 12/305:25 pmBOI - HOU
1 stop4h 50mSouthwest
Deal found 12/15$459
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:15 amHOU - BOI
1 stop6h 50mSouthwest
Sat 12/278:40 pmBOI - HOU
1 stop12h 10mSouthwest
Deal found 12/15$464
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 Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:45 amHOU - BOI
2 stops7h 20mSouthwest
Wed 12/311:25 pmBOI - HOU
2 stops8h 30mSouthwest
Deal found 12/15$473

Find flight deals from Houston to Idaho

Keep the following information in mind while searching for Houston 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 to Idaho
Search Deals
One-way flight from Houston to Idaho
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston 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 to Idaho that are best for you.

Fly from

Houston

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

HOU - BOI

HOUBOI

Houston Hobby

Fri 1/23

10:40 am-3:20 pm

1 stop5h 40m

Boise Air Term. Gowen Fld

Sun 1/25

6:00 am-1:35 pm

2 stops6h 35m

$294

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 60 results
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Best time to book a flight from Houston to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Houston 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 to Idaho

What is the cheapest month to book a flight from Houston to Idaho?

Currently, July is the cheapest month in which you can book a flight from Houston to Idaho (average of $134). Flying from Houston to Idaho in December is currently the most expensive (average of $274). 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 HOU to ID?

Find hourly flight availability from Houston 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.

A simple way to save on the total cost of your ticket is to fly from Houston to Idaho in the evening. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Houston to Idaho?

Use this chart to determine the cheapest time to fly round-trip from Houston to Idaho. Price data was last updated on December 16, 2024.

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

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.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Houston to Idaho by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,477 reviews

Overall

8.0

Crew

8.5

Comfort

7.8

Entertainment

7.0

Food

7.1

Boarding

8.1

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

Overall

8.0

Crew

8.5

Comfort

7.8

Entertainment

7.0

Food

7.1

Boarding

8.1

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.
Southwest
7.9
Good
4,250 reviews
Alaska Airlines
8.0
Very good
11,477 reviews

Overall

8.0

Crew

8.5

Comfort

7.8

Entertainment

7.0

Food

7.1

Boarding

8.1

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

Overall

8.0

Crew

8.5

Comfort

7.8

Entertainment

7.0

Food

7.1

Boarding

8.1

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
9,091 reviews
Alaska Airlines
8.0
Very good
11,477 reviews

Overall

8.0

Crew

8.5

Comfort

7.8

Entertainment

7.0

Food

7.1

Boarding

8.1

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
11,054 reviews
Alaska Airlines
8.0
Very good
11,477 reviews

Overall

8.0

Crew

8.5

Comfort

7.8

Entertainment

7.0

Food

7.1

Boarding

8.1

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 Houston 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 to Idaho?

    Departing from Houston to Idaho will take you 7h 03m. Airlines will cover 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 to Idaho one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $84. Delta flights start at $93 while deals on American Airlines start at $104 one-way.

  • What are the most popular routes from Houston to Idaho?

    When deciding which route to take from Houston to Idaho consider Houston Hobby - Jackson Hole, Houston George Bush Intcntl - Jackson Hole or Houston Hobby - Spokane as they are the most popular.

  • Can I find deals for flights from Houston to Idaho that include hotel bookings?

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

  • How can I find direct flights from Houston to Idaho?

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

  • Can I find deals for business class flights from Houston to Idaho?

    Yes. Cheapflights offers flight deals from Houston 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 to Idaho?

    Currently, July is the cheapest month in which you can book a flight from Houston to Idaho (average of $134). Flying from Houston to Idaho in December is currently the most expensive (average of $274). 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 Houston to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Houston to Idaho

Discover the top 5 airlines that operate flights from Houston 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$208Average$432FlexibilityNo cancel feeOn-time69%
DeltaCheapest$230Average$466FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$248Average$412FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$250Average$414FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$258Average$412FlexibilityNo cancel feeOn-time63%

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