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Idaho

$104+ 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 6 — Apr 131
Sun 4/6
Sun 4/13
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 1, 2025.

Round-trip from

$204
(United Airlines)

One-way from

$104
(Alaska Airlines)

Popular in

January

Cheapest in

August

Average price

$319
From Houston to Idaho
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One-way flight from Houston to Idaho
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Highest demand for flights based on searches. 10% potential increase in price ($41 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 1, 2025.

This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/195:05 amIAH - BOI
1 stop5h 38mUnited Airlines
Fri 9/192:45 pmBOI - IAH
1 stop8h 30mUnited Airlines
Deal found 3/31$204
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/245:15 amIAH - BOI
2 stops32h 42mSpirit Airlines
Wed 4/301:52 pmBOI - IAH
1 stop8h 02mSpirit Airlines
Deal found 4/1$208
This Southwest deal was found by Cheapflights users on 3/31. 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 9/185:35 amHOU - BOI
1 stop5h 35mSouthwest
Fri 9/191:10 pmBOI - HOU
1 stop9h 05mSouthwest
Deal found 3/31$209
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/247:15 pmIAH - BOI
1 stop5h 59mDelta
Thu 7/311:35 pmBOI - IAH
1 stop8h 06mDelta
Deal found 4/1$209
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/62:28 pmHOU - BOI
1 stop8h 32mAmerican Airlines
Sat 5/101:38 pmBOI - HOU
1 stop5h 06mAmerican Airlines
Deal found 4/1$258
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/198:59 pmIAH - GEG
1 stop22h 08mMultiple Airlines
Mon 6/235:57 pmGEG - IAH
1 stop20h 56mMultiple Airlines
Deal found 4/1$270
This Travelocity deal was found by Cheapflights users on 3/31. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/55:54 pmIAH - BOI
1 stop7h 05mMultiple Airlines
Mon 6/912:16 pmBOI - IAH
1 stop10h 10mMultiple Airlines
Deal found 3/31$284
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/165:54 pmIAH - BOI
1 stop7h 05mAlaska Airlines
Mon 5/195:39 pmBOI - IAH
2 stops22h 15mAlaska Airlines
Deal found 3/31$301
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/308:00 amIAH - GEG
1 stop6h 43mAlaska Airlines
Fri 9/58:48 pmGEG - IAH
1 stop7h 36mAlaska Airlines
Deal found 3/31$306
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/256:12 pmIAH - GEG
1 stop6h 47mAmerican Airlines
Fri 5/26:27 amGEG - IAH
1 stop8h 57mAmerican Airlines
Deal found 4/1$307
This Southwest deal was found by Cheapflights users on 3/31. 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.
Sat 8/306:20 amHOU - GEG
1 stop6h 10mSouthwest
Fri 9/512:10 pmGEG - HOU
1 stop6h 50mSouthwest
Deal found 3/31$307
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/87:20 amIAH - WYS
1 stop6h 52mUnited Airlines
Mon 5/121:51 pmWYS - IAH
1 stop6h 44mUnited Airlines
Deal found 4/1$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 1, 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

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Fri 9/19

5:05 am-9:43 am

1 stop5h 38m

Boise Air Term. Gowen Fld

Fri 9/19

2:45 pm-12:15 am

1 stop8h 30m

$204

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Thu 4/24

5:15 am-12:57 pm

2 stops32h 42m

Boise Air Term. Gowen Fld

Wed 4/30

1:52 pm-10:54 pm

1 stop8h 02m

$208

HoustonBoise

HOU - BOI

HOUBOI

Houston Hobby

Thu 9/18

5:35 am-10:10 am

1 stop5h 35m

Boise Air Term. Gowen Fld

Fri 9/19

1:10 pm-11:15 pm

1 stop9h 05m

$209

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Tue 6/24

7:15 pm-12:14 am

1 stop5h 59m

Boise Air Term. Gowen Fld

Thu 7/3

11:35 pm-8:41 am

1 stop8h 06m

$209

HoustonBoise

HOU - BOI

HOUBOI

Houston Hobby

Tue 5/6

2:28 pm-10:00 pm

1 stop8h 32m

Boise Air Term. Gowen Fld

Sat 5/10

1:38 pm-7:44 pm

1 stop5h 06m

$258

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Thu 6/19

8:59 pm-5:07 pm

1 stop22h 08m

Spokane

Mon 6/23

5:57 pm-4:53 pm

1 stop20h 56m

$270

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Thu 6/5

5:54 pm-11:59 pm

1 stop7h 05m

Boise Air Term. Gowen Fld

Mon 6/9

12:16 pm-11:26 pm

1 stop10h 10m

$284

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Fri 5/16

5:54 pm-11:59 pm

1 stop7h 05m

Boise Air Term. Gowen Fld

Mon 5/19

5:39 pm-4:54 pm

2 stops22h 15m

$301

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Sat 8/30

8:00 am-12:43 pm

1 stop6h 43m

Spokane

Fri 9/5

8:48 pm-6:24 am

1 stop7h 36m

$306

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Fri 4/25

8:26 am-1:38 pm

1 stop7h 12m

Spokane

Tue 4/29

6:27 am-5:23 pm

1 stop8h 56m

$307

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 57 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 1, 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 1, 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
9,820 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,820 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,277 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,898 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,345 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,615 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 Alaska Airlines, which is currently one of the cheapest options available, starting at $104. American Airlines flights start at $105 while deals on Delta start at $105 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, 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 1, 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$502FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$221Average$438FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$308Average$413FlexibilityNo cancel feeOn-time63%

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