How many flights depart from Houston to Idaho on average per week?

As of July 2025, 6 flights take off from Houston and land in Idaho each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

What airlines fly to Idaho?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Idaho from Houston according to our data. Delta is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 6 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Houston to Idaho?

Spirit Airlines, American Airlines, and Delta are the most popular carriers operating from Houston to Idaho

When did momondo last update prices for flights from Houston to Idaho?

Prices for flights from Houston to Idaho are updated daily.

How many operators does momondo search for flights from Houston to Idaho?

As of July 2025, there are 7 operators available to choose from for flights from Houston to Idaho.

How old do you have to be to fly from Houston to Idaho?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Houston to Idaho.

What documentation or ID do you need to fly to Idaho?

The required travel and health documents for your Idaho trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$83 Cheap Flights from Houston to Idaho in 2025

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Find the cheapest flights from Houston to Idaho

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

9:29 am - 8:31 pmIAH-BOI

12h 02m1 stop

2:16 pm - 5:50 amBOI-IAH

14h 34m1 stop

$167Spirit Airlines

Find Deal

Mon, Sep 22 - Sun, Sep 28

9:32 am - 8:21 pmIAH-BOI

11h 49m1 stop

2:16 pm - 5:45 amBOI-IAH

14h 29m1 stop

$168Spirit Airlines

Find Deal

Mon, Sep 15 - Sun, Sep 21

6:05 am - 12:46 pmIAH-BOI

7h 41m1 stop

1:07 pm - 11:20 pmBOI-IAH

9h 13m1 stop

$229American Airlines

Find Deal

Sun, Aug 31 - Wed, Sep 10

6:00 am - 12:29 pmIAH-BOI

7h 29m1 stop

1:50 pm - 10:15 pmBOI-IAH

7h 25m2 stops

$234American Airlines

Find Deal

Wed, Aug 27 - Sat, Aug 30

7:15 pm - 12:05 amHOU-BOI

5h 50m1 stop

6:15 am - 3:30 pmBOI-HOU

8h 15m1 stop

$249Southwest

Find Deal

Mon, Sep 8 - Mon, Sep 15

5:41 pm - 11:56 pmIAH-BOI

7h 15m1 stop

6:00 am - 11:56 amBOI-IAH

4h 56m1 stop

$259Delta

Find Deal

Mon, Aug 18 - Sun, Aug 31

5:35 am - 10:10 amHOU-BOI

5h 35m1 stop

4:05 pm - 10:30 pmBOI-HOU

5h 25m1 stop

$259Southwest

Find Deal

Mon, Sep 15 - Sun, Sep 21

11:22 am - 9:11 pmIAH-GEG

11h 49m2 stops

2:35 pm - 11:21 pmGEG-IAH

6h 46m1 stop

$264Delta

Find Deal

Sat, Sep 13 - Tue, Sep 16

5:00 am - 9:46 amIAH-BOI

5h 46m1 stop

5:42 pm - 11:59 pmBOI-IAH

5h 17m1 stop

$309United Airlines

Find Deal

Fri, Aug 15 - Mon, Aug 18

5:00 am - 9:41 amIAH-JAC

5h 41m1 stop

4:20 pm - 11:55 pmJAC-IAH

6h 35m1 stop

$320United Airlines

Find Deal

Wed, Sep 3 - Tue, Sep 9

Delta flights from Houston to Idaho

Our best Delta deals on Houston to Idaho flight tickets

Delta

Aug 18

IAH5:41 pmHouston George Bush Intcntl

7h 15m

1 stop

BOI11:56 pmBoise Air Term. Gowen Fld

Aug 31

BOI6:00 amBoise Air Term. Gowen Fld

4h 56m

1 stop

IAH11:56 amHouston George Bush Intcntl

$259

Find similar

Delta

Aug 18

IAH7:40 amHouston George Bush Intcntl

11h 36m

2 stops

BOI6:16 pmBoise Air Term. Gowen Fld

Aug 31

BOI6:00 amBoise Air Term. Gowen Fld

4h 56m

1 stop

IAH11:56 amHouston George Bush Intcntl

$264

Find similar

Delta

Sep 13

IAH7:00 amHouston George Bush Intcntl

11h 45m

2 stops

GEG4:45 pmSpokane

Sep 17

GEG11:29 amSpokane

8h 00m

2 stops

IAH9:29 pmHouston George Bush Intcntl

$269

Find similar

Frontier flights from Houston to Idaho

Our best Frontier deals on Houston to Idaho flight tickets

Frontier

Dec 4

IAH6:45 amHouston George Bush Intcntl

6h 19m

1 stop

BOI12:04 pmBoise Air Term. Gowen Fld

Dec 7

BOI12:59 pmBoise Air Term. Gowen Fld

9h 48m

1 stop

IAH11:47 pmHouston George Bush Intcntl

$238

Find similar

Frontier

Oct 9

IAH6:00 amHouston George Bush Intcntl

6h 53m

1 stop

BOI11:53 amBoise Air Term. Gowen Fld

Oct 12

BOI12:48 pmBoise Air Term. Gowen Fld

20h 46m

1 stop

IAH10:34 amHouston George Bush Intcntl

$245

Find similar

Frontier

Aug 13

IAH10:04 pmHouston George Bush Intcntl

14h 42m

1 stop

BOI11:46 amBoise Air Term. Gowen Fld

Aug 17

BOI12:36 pmBoise Air Term. Gowen Fld

20h 48m

1 stop

IAH10:24 amHouston George Bush Intcntl

$247

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Mon 9/22

9:29 am-8:31 pm

1 stop12h 02m

Boise Air Term. Gowen Fld

Sun 9/28

2:16 pm-5:50 am

1 stop14h 34m

$167

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

Sun 8/31

6:05 am-12:46 pm

1 stop7h 41m

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

Wed 8/27

6:00 am-12:29 pm

1 stop7h 29m

Boise Air Term. Gowen Fld

Sat 8/30

1:50 pm-10:15 pm

2 stops7h 25m

$234

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

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

HoustonBoise

HOU - BOI

HOUBOI

Houston Hobby

Mon 9/15

5:35 am-10:10 am

1 stop5h 35m

Boise Air Term. Gowen Fld

Sun 9/21

4:05 pm-10:30 pm

1 stop5h 25m

$259

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Sat 9/13

11:22 am-9:11 pm

2 stops11h 49m

Spokane

Tue 9/16

2:35 pm-11:21 pm

1 stop6h 46m

$264

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Fri 8/15

5:00 am-9:46 am

1 stop5h 46m

Boise Air Term. Gowen Fld

Mon 8/18

5:42 pm-11:59 pm

1 stop5h 17m

$309

HoustonJackson

IAH - JAC

IAHJAC

Houston George Bush Intcntl

Wed 9/3

5:00 am-9:41 am

1 stop5h 41m

Jackson Hole

Tue 9/9

4:20 pm-11:55 pm

1 stop6h 35m

$320

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Houston to Idaho

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Idaho?

In general, August is the cheapest month to fly from Houston to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $256. If you don’t want to visit Idaho in August, then you should wait until May to fly from Houston, when ticket prices are also cheap, with an average price of $298.

What is the cheapest day to depart on your flight to Idaho?

Our data shows that Thursday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $295. On the other hand, Sunday is the most expensive day to depart from Houston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $404.

What is the cheapest time of day to depart on your flight to Idaho?

According to our data, the cheapest time of day to fly to Idaho is at noon. momondo users have found flights departing from Houston to Idaho at noon for as low as $323. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Idaho, so prices are often more expensive at around $375 per ticket.

What is the cheapest Houston to Idaho flight route?

Fly from Houston George Bush Intcntl to Boise Air Term. Gowen Fld for the best Houston - Idaho flight prices

How far in advance should I book a flight to Idaho?

You are more likely to see cheaper flights to Idaho from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $364 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from Houston for as low as $254 on momondo.

What cabin class options are available on Houston to Idaho flights?

There are 1 cabin classes available to choose from on Houston to Idaho flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Houston to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Idaho

Best Price Found	$83
Fastest flight time	3h 19m
Direct flights	Mon, Tue, Wed, Sat and Sun
Airports in Idaho	5 airports

The best one-way flight to Idaho from Houston in the past 72 hours is $83. The best round-trip flight deal from Houston to Idaho found on momondo in the last 72 hours is $167.

The fastest flight from Houston to Idaho takes 3h 19m

Direct flights go from Houston to Idaho on Monday, Tuesday, Wednesday, Saturday and Sunday. The only airline offering direct flights is United Airlines.

There are 5 airports near Idaho: West Yellowstone (WYS), Idaho Falls Fanning Field (IDA), Spokane (GEG), Boise Air Term. Gowen Fld (BOI), Jackson Hole (JAC)

Search flight deals

When did momondo last update prices for flights from Houston to Idaho?
Prices for flights from Houston to Idaho are updated daily.
How many operators does momondo search for flights from Houston to Idaho?
As of July 2025, there are 7 operators available to choose from for flights from Houston to Idaho.
How old do you have to be to fly from Houston to Idaho?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Houston to Idaho.
What documentation or ID do you need to fly to Idaho?
The required travel and health documents for your Idaho trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Houston to Idaho

Compare and see reviews for airlines that fly from Houston to Idaho with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $141	Free Cancellation	Rating 6.3 8,049 reviews	Search Spirit Airlines flights
Delta	PriceFrom $196	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
United Airlines	PriceFrom $208	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $247	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $257	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $296	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Idaho?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Houston to Idaho. momondo saves you time and could save you money on your trip.

Can I find flights from Houston to Idaho with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Houston to Idaho flights to just show those with flexible booking policies.

How can momondo help me find flights from Houston to Idaho?

Once all potential Houston to Idaho flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Houston to Idaho right now. Can momondo alert me if prices change?

Price alerts on flights to Idaho from Houston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.