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Idaho

$83+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — BOI
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$168
(Mytrip)

One-way from

$83
(FlightHub)

Popular in

January

Cheapest in

August

Average price

$408
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. 11% potential increase in price ($44 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 July 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 July 31, 2025.

This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/159:32 amIAH - BOI
1 stop11h 49mSpirit Airlines
Sun 9/212:16 pmBOI - IAH
1 stop14h 29mSpirit Airlines
Deal found 7/29$168
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/275:59 pmIAH - BOI
1 stop7h 00mAlaska Airlines
Sat 8/305:45 pmBOI - IAH
1 stop11h 39mAlaska Airlines
Deal found 7/30$228
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/316:00 amIAH - BOI
1 stop7h 29mAmerican Airlines
Wed 9/101:07 pmBOI - IAH
1 stop9h 13mAmerican Airlines
Deal found 7/30$229
This Frontier deal was found by Cheapflights users on 7/29. 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.
Thu 12/46:45 amIAH - BOI
1 stop6h 19mFrontier
Sun 12/712:59 pmBOI - IAH
1 stop9h 48mFrontier
Deal found 7/29$238
This Southwest deal was found by Cheapflights users on 7/31. 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.
Mon 9/87:15 pmHOU - BOI
1 stop5h 50mSouthwest
Mon 9/156:15 amBOI - HOU
1 stop8h 15mSouthwest
Deal found 7/31$249
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/232:30 pmHOU - BOI
1 stop8h 13mAmerican Airlines
Tue 8/261:36 pmBOI - HOU
1 stop5h 23mAmerican Airlines
Deal found 7/30$250
This Mytrip deal was found by Cheapflights users on 7/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2110:00 pmIAH - GEG
1 stop15h 35mMultiple Airlines
Sun 8/243:08 pmGEG - IAH
1 stop12h 57mMultiple Airlines
Deal found 7/31$257
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 9/135:59 pmIAH - GEG
1 stop7h 12mAlaska Airlines
Tue 9/161:40 pmGEG - IAH
1 stop8h 26mAlaska Airlines
Deal found 7/31$258
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/185:41 pmIAH - BOI
1 stop7h 15mDelta
Sun 8/316:00 amBOI - IAH
1 stop4h 56mDelta
Deal found 7/30$259
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/133:35 pmHOU - GEG
1 stop8h 55mSouthwest
Wed 9/175:45 amGEG - HOU
1 stop6h 15mSouthwest
Deal found 7/29$259
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/136:27 amIAH - GEG
1 stop8h 50mDelta
Wed 9/1711:29 amGEG - IAH
2 stops8h 00mDelta
Deal found 7/29$264
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/216:00 amIAH - JAC
1 stop5h 19mAmerican Airlines
Wed 10/14:18 pmJAC - IAH
1 stop5h 14mAmerican Airlines
Deal found 7/30$269

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 July 31, 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

Mon 9/15

9:32 am-8:21 pm

1 stop11h 49m

Boise Air Term. Gowen Fld

Sun 9/21

2:16 pm-5:45 am

1 stop14h 29m

$168

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Wed 8/27

5:59 pm-11:59 pm

1 stop7h 00m

Boise Air Term. Gowen Fld

Sat 8/30

5:45 pm-6:24 am

1 stop11h 39m

$228

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Sun 8/31

6:00 am-12:29 pm

1 stop7h 29m

Boise Air Term. Gowen Fld

Wed 9/10

1:07 pm-11:20 pm

1 stop9h 13m

$229

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Thu 12/4

6:45 am-12:04 pm

1 stop6h 19m

Boise Air Term. Gowen Fld

Sun 12/7

12:59 pm-11:47 pm

1 stop9h 48m

$238

HoustonBoise

HOU - BOI

HOUBOI

Houston Hobby

Mon 9/8

7:15 pm-12:05 am

1 stop5h 50m

Boise Air Term. Gowen Fld

Mon 9/15

6:15 am-3:30 pm

1 stop8h 15m

$249

HoustonBoise

HOU - BOI

HOUBOI

Houston Hobby

Sat 8/23

2:30 pm-9:43 pm

1 stop8h 13m

Boise Air Term. Gowen Fld

Tue 8/26

1:36 pm-7:59 pm

1 stop5h 23m

$250

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Thu 8/21

10:00 pm-11:35 am

1 stop15h 35m

Spokane

Sun 8/24

3:08 pm-6:05 am

1 stop12h 57m

$257

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Sat 9/13

5:59 pm-11:11 pm

1 stop7h 12m

Spokane

Tue 9/16

1:40 pm-12:06 am

1 stop8h 26m

$258

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Mon 8/18

5:41 pm-11:56 pm

1 stop7h 15m

Boise Air Term. Gowen Fld

Sun 8/31

6:00 am-11:56 am

1 stop4h 56m

$259

HoustonSpokane

HOU - GEG

HOUGEG

Houston Hobby

Sat 9/13

3:35 pm-10:30 pm

1 stop8h 55m

Spokane

Wed 9/17

5:45 am-2:00 pm

1 stop6h 15m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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, 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 $398). 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 July 31, 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.

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 July 31, 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
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 Spirit Airlines, which is currently one of the cheapest options available, starting at $83. American Airlines flights start at $105 while deals on Delta start at $110 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 $398). 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$141Average$273FlexibilityNo cancel feeOn-time65%
DeltaCheapest$196Average$401FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$208Average$470FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$247Average$457FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$257Average$394FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$296Average$398FlexibilityNo cancel feeOn-time63%

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