Houston

$111+ 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — HOU
Apr 17 — Apr 241
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Cheap 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 March 18, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/212:03 pm
BOI
-
IAH
1 stop11h 45m
Frontier
Wed 4/89:50 am
IAH
-
BOI
1 stop26h 18m
Frontier
Deal found 3/13$180
This Expedia deal was found by Cheapflights users on 3/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:44 am
GEG
-
IAH
1 stop11h 04m
Frontier
Thu 4/306:45 am
IAH
-
GEG
1 stop6h 04m
Frontier
Deal found 3/17$210
This Expedia deal was found by Cheapflights users on 3/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/121:22 pm
BOI
-
IAH
1 stop10h 22m
Frontier
Tue 5/196:30 am
IAH
-
BOI
1 stop6h 57m
Frontier
Deal found 3/17$230
This Mytrip deal was found by Cheapflights users on 3/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1112:33 pm
GEG
-
IAH
1 stop6h 37m
Frontier
Tue 5/2610:05 pm
IAH
-
GEG
1 stop15h 33m
Frontier
Deal found 3/15$239
This Expedia deal was found by Cheapflights users on 3/14. 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.
Tue 5/191:22 pm
BOI
-
IAH
1 stop20h 22m
Frontier
Sun 5/246:30 am
IAH
-
BOI
1 stop7h 00m
Frontier
Deal found 3/14$240
This Southwest deal was found by Cheapflights users on 3/13. 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 4/162:50 pm
GEG
-
HOU
1 stop6h 00m
Southwest
Mon 4/206:25 pm
HOU
-
GEG
1 stop8h 10m
Southwest
Deal found 3/13$249
This Expedia deal was found by Cheapflights users on 3/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:53 am
BOI
-
IAH
1 stop11h 55m
Frontier
Sun 4/196:45 am
IAH
-
BOI
1 stop5h 23m
Frontier
Deal found 3/15$250
This Expedia deal was found by Cheapflights users on 3/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1211:06 am
GEG
-
IAH
1 stop8h 59m
Frontier
Sun 4/196:45 am
IAH
-
GEG
1 stop6h 04m
Frontier
Deal found 3/15$250
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/212:03 pm
BOI
-
IAH
1 stop11h 45m
Frontier
Sat 4/1110:28 pm
IAH
-
BOI
1 stop13h 40m
Frontier
Deal found 3/13$258
This Southwest deal was found by Cheapflights users on 3/13. 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.
Fri 4/175:35 pm
GEG
-
HOU
2 stops9h 15m
Southwest
Tue 4/212:45 pm
HOU
-
GEG
2 stops10h 40m
Southwest
Deal found 3/13$259
This Delta deal was found by Cheapflights users on 3/13. 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 4/2410:40 pm
GEG
-
HOU
1 stop9h 13m
Delta
Tue 4/286:00 am
HOU
-
GEG
1 stop7h 41m
Delta
Deal found 3/13$269
This Delta deal was found by Cheapflights users on 3/13. 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 4/242:10 pm
GEG
-
IAH
1 stop7h 31m
Delta
Tue 4/285:24 am
IAH
-
GEG
1 stop8h 17m
Delta
Deal found 3/13$269

Find flight deals from Idaho to Houston

Keep the following information in mind while searching for Idaho to Houston flight deals. Data was last updated March 18, 2026.

Round-trip from

$180
(Kiwi.com)

One-way from

$111
(Priceline)

Popular in

March

Cheapest in

September

Average price

$538
From Idaho to Houston
One-way flight from Idaho to Houston
Highest demand for flights based on searches. 10% potential increase in price ($44 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in March 2026

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 March 18, 2026.
Use the filters below to find and compare flights from Idaho to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SpokaneHouston

GEG - HOU

GEGHOU

Spokane

Sat 5/9

5:45 am-3:10 pm

1 stop7h 25m

Houston Hobby

Sat 5/16

6:15 am-10:05 am

1 stop5h 50m

$269

SpokaneHouston

GEG - HOU

GEGHOU

Spokane

Fri 4/24

10:40 pm-9:53 am

1 stop9h 13m

Houston Hobby

Tue 4/28

6:00 am-11:41 am

1 stop7h 41m

$269

SpokaneHouston

GEG - HOU

GEGHOU

Spokane

Fri 5/15

2:50 pm-10:50 pm

1 stop6h 00m

Houston Hobby

Sun 5/17

6:05 am-10:35 am

1 stop6h 30m

$269

SpokaneHouston

GEG - HOU

GEGHOU

Spokane

Mon 4/27

10:40 pm-9:58 am

1 stop9h 18m

Houston Hobby

Wed 4/29

6:00 am-11:41 am

1 stop7h 41m

$269

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Fri 4/24

2:10 pm-11:41 pm

1 stop7h 31m

Houston George Bush Intcntl

Tue 4/28

5:24 am-11:41 am

1 stop8h 17m

$269

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Mon 4/27

10:40 pm-8:38 am

1 stop7h 58m

Houston George Bush Intcntl

Wed 4/29

6:32 pm-11:34 pm

1 stop7h 02m

$269

SpokaneHouston

GEG - HOU

GEGHOU

Spokane

Fri 4/10

2:50 pm-10:50 pm

1 stop6h 00m

Houston Hobby

Fri 4/17

6:30 pm-12:30 am

2 stops8h 00m

$274

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Mon 4/13

7:38 pm-9:51 am

2 stops12h 13m

Houston George Bush Intcntl

Tue 4/21

2:20 pm-9:05 pm

1 stop8h 45m

$274

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Tue 5/26

7:23 pm-9:51 am

2 stops12h 28m

Houston George Bush Intcntl

Fri 5/29

7:59 pm-11:35 pm

1 stop5h 36m

$274

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Tue 9/1

7:21 pm-9:59 am

2 stops12h 38m

Houston George Bush Intcntl

Sun 9/6

6:30 am-1:07 pm

1 stop8h 37m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/16

Showing 1-10 of 60 resultsSorted by cheapest first
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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, June is the cheapest month in which you can book a flight from Idaho to Houston (average of $127). Flying from Idaho to Houston in November is currently the most expensive (average of $283). 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.

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.
  • How long is the flight from Idaho to Houston?

    Southwest, Delta, and Alaska Airlines can get you from Idaho to Houston in just under 6h 37m. Your travel time can differ by up to 2h 36m. Airlines will cover a distance of 1480 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 Delta ($104), American Airlines ($124), and United Airlines ($125).

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

  • 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, June is the cheapest month in which you can book a flight from Idaho to Houston (average of $127). Flying from Idaho to Houston in November is currently the most expensive (average of $283). 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.

Top 5 airlines flying from Idaho to Houston

Discover the top 5 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 March 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$158Average$435FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$180Average$379FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$206Average$406FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$231Average$386FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$267Average$454FlexibilityNo cancel feeOn-time69%

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