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Idaho

$89+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — BOI
Apr 27 — May 41
Sun 4/27
Sun 5/4
1 adult, Economy
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Cheap flight deals from Houston to Idaho

Keep the following information in mind while searching for Houston to Idaho flight deals. Data was last updated April 22, 2025.

Round-trip from

$197
(Flightnetwork)

One-way from

$89
(Frontier)

Popular in

January

Cheapest in

August

Average price

$295
From Houston to Idaho
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One-way flight from Houston to Idaho
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 April 22, 2025.

This Flightnetwork deal was found by Cheapflights users on 4/21. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1911:28 amIAH - GEG
1 stop25h 38mFrontier
Sun 5/2511:49 amGEG - IAH
1 stop9h 58mFrontier
Deal found 4/21$197
This American Airlines deal was found by Cheapflights users on 4/22. 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.
Fri 7/47:53 amIAH - BOI
1 stop7h 52mAmerican Airlines
Sat 7/123:35 pmBOI - IAH
1 stop7h 24mAmerican Airlines
Deal found 4/22$230
This Delta deal was found by Cheapflights users on 4/22. 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 7/412:51 pmIAH - BOI
2 stops12h 08mDelta
Sat 7/125:40 amBOI - IAH
1 stop7h 09mDelta
Deal found 4/22$235
This Frontier deal was found by Cheapflights users on 4/22. 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.
Sun 5/186:00 amIAH - BOI
1 stop8h 37mFrontier
Sun 5/2512:36 pmBOI - IAH
1 stop10h 11mFrontier
Deal found 4/22$238
This Mytrip deal was found by Cheapflights users on 4/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/198:53 pmIAH - GEG
1 stop22h 14mMultiple Airlines
Mon 6/235:57 pmGEG - IAH
1 stop9h 08mMultiple Airlines
Deal found 4/21$253
This Southwest deal was found by Cheapflights users on 4/21. 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 5/219:30 amHOU - BOI
1 stop8h 15mSouthwest
Wed 5/284:40 pmBOI - HOU
1 stop5h 45mSouthwest
Deal found 4/21$270
This Delta deal was found by Cheapflights users on 4/21. 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 7/187:55 amIAH - WYS
1 stop7h 57mDelta
Wed 7/233:28 pmWYS - IAH
1 stop5h 12mDelta
Deal found 4/21$279
This American Airlines deal was found by Cheapflights users on 4/20. 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.
Sat 8/28:57 amIAH - GEG
1 stop6h 24mAmerican Airlines
Tue 8/55:54 amGEG - IAH
1 stop16h 05mAmerican Airlines
Deal found 4/20$289
This Alaska Airlines deal was found by Cheapflights users on 4/21. 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.
Thu 6/127:10 pmIAH - GEG
1 stop6h 49mAlaska Airlines
Wed 6/188:48 pmGEG - IAH
1 stop7h 32mAlaska Airlines
Deal found 4/21$306
This Delta deal was found by Cheapflights users on 4/21. 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 6/297:29 amIAH - GEG
1 stop6h 30mDelta
Wed 9/32:05 pmGEG - IAH
1 stop6h 34mDelta
Deal found 4/21$307
This Delta deal was found by Cheapflights users on 4/21. 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 6/116:00 amHOU - GEG
1 stop7h 19mDelta
Mon 6/1611:10 pmGEG - HOU
1 stop8h 05mDelta
Deal found 4/21$307
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Mon 5/512:37 pmIAH - BOI
1 stop7h 38mUnited Airlines
Thu 5/81:35 pmBOI - IAH
1 stop6h 15mUnited Airlines
Deal found 4/21$309

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 April 22, 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

Mon 5/19

11:28 am-11:06 am

1 stop25h 38m

Spokane

Sun 5/25

11:49 am-11:47 pm

1 stop9h 58m

$197

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Fri 7/4

7:53 am-2:45 pm

1 stop7h 52m

Boise Air Term. Gowen Fld

Sat 7/12

3:35 pm-11:59 pm

1 stop7h 24m

$230

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Fri 7/4

12:51 pm-11:59 pm

2 stops12h 08m

Boise Air Term. Gowen Fld

Sat 7/12

5:40 am-1:49 pm

1 stop7h 09m

$235

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Sun 5/18

6:00 am-1:37 pm

1 stop8h 37m

Boise Air Term. Gowen Fld

Sun 5/25

12:36 pm-11:47 pm

1 stop10h 11m

$238

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Thu 6/19

8:53 pm-5:07 pm

1 stop22h 14m

Spokane

Mon 6/23

5:57 pm-5:05 am

1 stop9h 08m

$253

HoustonBoise

HOU - BOI

HOUBOI

Houston Hobby

Wed 5/21

9:30 am-4:45 pm

1 stop8h 15m

Boise Air Term. Gowen Fld

Wed 5/28

4:40 pm-11:25 pm

1 stop5h 45m

$270

HoustonWest Yellowstone

IAH - WYS

IAHWYS

Houston George Bush Intcntl

Fri 7/18

7:55 am-2:52 pm

1 stop7h 57m

West Yellowstone

Wed 7/23

3:28 pm-9:40 pm

1 stop5h 12m

$279

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Sat 8/2

8:57 am-1:21 pm

1 stop6h 24m

Spokane

Tue 8/5

5:54 am-11:59 pm

1 stop16h 05m

$289

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Thu 6/12

7:10 pm-11:59 pm

1 stop6h 49m

Spokane

Wed 6/18

8:48 pm-6:20 am

1 stop7h 32m

$306

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Sun 6/29

7:29 am-11:59 am

1 stop6h 30m

Spokane

Wed 9/3

2:05 pm-10:39 pm

1 stop6h 34m

$307

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 59 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, October is the cheapest month in which you can book a flight from Houston to Idaho (average of $314). Flying from Houston to Idaho in June is currently the most expensive (average of $419). 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 April 22, 2025.

When flying from Houston to Idaho, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

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 April 22, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Houston to Idaho to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,906 reviews

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,906 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,392 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,684 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

  • 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 $89. United Airlines flights start at $126 while deals on Delta start at $131 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 - Boise Air Term. Gowen Fld 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, October is the cheapest month in which you can book a flight from Houston to Idaho (average of $314). Flying from Houston to Idaho in June is currently the most expensive (average of $419). 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 6 airlines flying from Houston to Idaho

Discover the top 6 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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$141Average$237FlexibilityNo cancel feeOn-time65%
DeltaCheapest$196Average$311FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$198Average$500FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$208Average$500FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$221Average$431FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$298Average$416FlexibilityNo cancel feeOn-time63%

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