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$109+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — HOU
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$183
(FlightHub)

One-way from

$109
(Mytrip)

Popular in

March

Cheapest in

April

Average price

$304
From Idaho to Houston
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One-way flight from Idaho to Houston
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Highest demand for flights based on searches. 2% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 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 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 July 31, 2025.

This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/69:26 pmBOI - IAH
1 stop7h 24mSpirit Airlines
Wed 10/810:10 pmIAH - BOI
1 stop16h 11mSpirit Airlines
Deal found 7/30$183
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.
Thu 8/2111:53 amGEG - IAH
1 stop16h 12mMultiple Airlines
Mon 8/256:25 amIAH - GEG
1 stop7h 10mMultiple Airlines
Deal found 7/29$220
This Hawaiian 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/318:42 pmBOI - IAH
1 stop8h 42mHawaiian Airlines
Wed 9/35:59 pmIAH - BOI
1 stop7h 00mHawaiian Airlines
Deal found 7/31$228
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1412:36 pmBOI - IAH
1 stop10h 00mFrontier
Thu 8/216:00 amIAH - BOI
1 stop6h 38mFrontier
Deal found 7/31$235
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.
Tue 8/511:51 amGEG - IAH
1 stop9h 58mFrontier
Sun 8/106:00 amIAH - GEG
1 stop7h 03mFrontier
Deal found 7/29$248
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.
Wed 8/271:30 pmBOI - HOU
1 stop8h 01mDelta
Wed 9/36:00 amHOU - BOI
1 stop7h 35mDelta
Deal found 7/30$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.
Wed 8/271:36 pmBOI - HOU
1 stop5h 23mAmerican Airlines
Wed 9/36:00 amHOU - BOI
2 stops8h 17mAmerican Airlines
Deal found 7/30$254
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.
Wed 8/271:36 pmBOI - IAH
1 stop5h 30mAmerican Airlines
Wed 9/35:00 amIAH - BOI
2 stops9h 17mAmerican Airlines
Deal found 7/30$254
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.
Mon 10/69:58 amBOI - IAH
1 stop7h 12mAlaska Airlines
Sat 10/115:45 pmIAH - BOI
1 stop7h 12mAlaska Airlines
Deal found 7/31$258
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.
Thu 11/138:45 amGEG - IAH
1 stop7h 41mAlaska Airlines
Wed 11/197:00 amIAH - GEG
1 stop7h 26mAlaska Airlines
Deal found 7/31$258
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.
Tue 9/96:00 amGEG - HOU
1 stop6h 03mAmerican Airlines
Tue 9/166:00 amHOU - GEG
1 stop7h 45mAmerican Airlines
Deal found 7/30$259
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/111:30 pmGEG - IAH
1 stop6h 06mDelta
Wed 11/197:50 amIAH - GEG
1 stop6h 15mDelta
Deal found 7/31$259

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 July 31, 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

Mon 10/6

9:26 pm-5:50 am

1 stop7h 24m

Houston George Bush Intcntl

Wed 10/8

10:10 pm-1:21 pm

1 stop16h 11m

$183

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Thu 8/21

11:53 am-6:05 am

1 stop16h 12m

Houston George Bush Intcntl

Mon 8/25

6:25 am-11:35 am

1 stop7h 10m

$220

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Sun 8/31

8:42 pm-6:24 am

1 stop8h 42m

Houston George Bush Intcntl

Wed 9/3

5:59 pm-11:59 pm

1 stop7h 00m

$228

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Thu 8/14

12:36 pm-11:36 pm

1 stop10h 00m

Houston George Bush Intcntl

Thu 8/21

6:00 am-11:38 am

1 stop6h 38m

$235

BoiseHouston

BOI - HOU

BOIHOU

Boise Air Term. Gowen Fld

Wed 8/27

1:30 pm-10:31 pm

1 stop8h 01m

Houston Hobby

Wed 9/3

6:00 am-12:35 pm

1 stop7h 35m

$249

BoiseHouston

BOI - HOU

BOIHOU

Boise Air Term. Gowen Fld

Wed 8/27

1:36 pm-7:59 pm

1 stop5h 23m

Houston Hobby

Wed 9/3

6:00 am-1:17 pm

2 stops8h 17m

$254

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Wed 8/27

1:36 pm-8:06 pm

1 stop5h 30m

Houston George Bush Intcntl

Wed 9/3

5:00 am-1:17 pm

2 stops9h 17m

$254

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Thu 8/14

11:58 am-10:24 am

1 stop20h 26m

Houston George Bush Intcntl

Wed 8/20

3:27 pm-10:57 am

1 stop21h 30m

$255

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Mon 10/6

9:58 am-6:10 pm

1 stop7h 12m

Houston George Bush Intcntl

Sat 10/11

5:45 pm-11:57 pm

1 stop7h 12m

$258

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Thu 11/13

8:45 am-6:26 pm

1 stop7h 41m

Houston George Bush Intcntl

Wed 11/19

7:00 am-12:26 pm

1 stop7h 26m

$258

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

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, September is the cheapest month in which you can book a flight from Idaho to Houston (average of $230). Flying from Idaho to Houston in March is currently the most expensive (average of $331). 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 July 31, 2025.

When flying from Idaho to Houston, 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 Houston

Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated July 31, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Idaho to Houston to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

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

Crew

8.5

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

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

Crew

8.5

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

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

Crew

8.5

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

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

Crew

8.5

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

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

Crew

8.5

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

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 Idaho to Houston. 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 Idaho to Houston one-way?

    The cheapest airlines for a one-way flight from Idaho to Houston are Frontier ($122), Alaska Airlines ($124), and American Airlines ($129).

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

    The most popular route from Idaho to Houston is Spokane - Houston Hobby. You may also consider Spokane - Houston George Bush Intcntl or Boise Air Term. Gowen Fld - Houston Hobby.

  • 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, September is the cheapest month in which you can book a flight from Idaho to Houston (average of $230). Flying from Idaho to Houston in March is currently the most expensive (average of $331). 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

Browse thousands of different options on Cheapflights for your next trip

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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 6 airlines flying from Idaho to Houston

Discover the top 6 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$83Average$169FlexibilityNo cancel feeOn-time65%
DeltaCheapest$194Average$415FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$246Average$408FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$250Average$447FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$267Average$515FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$268Average$505FlexibilityNo cancel feeOn-time69%

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