What airlines fly to Idaho?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Idaho from Houston according to our data. United Airlines is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 5 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

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

As of October 2025, 1 flights take off from Houston and land in Idaho each week. The most common flight departure day for this route is Thu, with 100% of weekly flights taking off on this day.

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

Frontier, Alaska 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 October 2025, there are 6 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.

$85 Cheap Flights from Houston to Idaho in 2025/26

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Find the cheapest flights from Houston to Idaho

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:45 am - 11:28 amIAH-GEG

30h 43m2 stops

12:28 pm - 12:33 amGEG-IAH

10h 05m1 stop

$160Frontier

Find Deal

Wed, Jan 7 - Thu, Jan 15

4:00 pm - 11:28 amIAH-GEG

21h 28m1 stop

12:28 pm - 12:33 amGEG-IAH

10h 05m1 stop

$172Frontier

Find Deal

Wed, Jan 7 - Thu, Jan 15

10:43 am - 7:58 pmIAH-BOI

10h 15m2 stops

1:57 pm - 11:35 pmBOI-IAH

8h 38m1 stop

$256American Airlines

Find Deal

Sat, Dec 6 - Sat, Dec 13

4:00 pm - 11:04 pmIAH-BOI

8h 04m1 stop

11:45 am - 5:46 pmBOI-IAH

5h 01m1 stop

$270Delta

Find Deal

Fri, Feb 20 - Tue, Feb 24

4:00 pm - 11:04 pmIAH-BOI

8h 04m1 stop

5:40 am - 5:46 pmBOI-IAH

11h 06m2 stops

$275Delta

Find Deal

Fri, Feb 20 - Tue, Feb 24

6:17 pm - 11:39 pmIAH-BOI

6h 22m1 stop

2:09 pm - 11:31 pmBOI-IAH

8h 22m1 stop

$283American Airlines

Find Deal

Thu, Dec 4 - Sun, Dec 7

5:35 am - 10:15 amHOU-BOI

5h 40m1 stop

4:20 pm - 12:45 amBOI-HOU

7h 25m1 stop

$332Southwest

Find Deal

Tue, Nov 18 - Sat, Nov 22

9:00 am - 3:20 pmHOU-BOI

7h 20m1 stop

6:10 pm - 1:05 amBOI-HOU

5h 55m1 stop

$338Southwest

Find Deal

Wed, Mar 4 - Mon, Mar 9

9:30 am - 12:04 pmIAH-JAC

3h 34mnonstop

6:06 pm - 12:33 amJAC-IAH

5h 27m1 stop

$414United Airlines

Find Deal

Tue, Dec 30 - Mon, Jan 5

5:00 am - 11:34 amIAH-JAC

7h 34m1 stop

6:06 pm - 12:33 amJAC-IAH

5h 27m1 stop

$423United Airlines

Find Deal

Tue, Dec 30 - Mon, Jan 5

Alaska Airlines flights from Houston to Idaho

Our best Alaska Airlines deals on Houston to Idaho flight tickets

Alaska Airlines

Dec 6

IAH6:08 amHouston George Bush Intcntl

10h 18m

1 stop

BOI3:26 pmBoise Air Term. Gowen Fld

Dec 13

BOI5:45 amBoise Air Term. Gowen Fld

10h 10m

1 stop

IAH4:55 pmHouston George Bush Intcntl

$250

Find similar

Alaska Airlines

Mar 4

IAH5:54 pmHouston George Bush Intcntl

6h 56m

1 stop

BOI11:50 pmBoise Air Term. Gowen Fld

Mar 9

BOI8:20 pmBoise Air Term. Gowen Fld

19h 34m

1 stop

IAH4:54 pmHouston George Bush Intcntl

$269

Find similar

Alaska Airlines

Dec 4

IAH6:08 amHouston George Bush Intcntl

10h 18m

1 stop

BOI3:26 pmBoise Air Term. Gowen Fld

Dec 8

BOI8:26 pmBoise Air Term. Gowen Fld

20h 54m

1 stop

IAH6:20 pmHouston George Bush Intcntl

$277

Find similar

American Airlines flights from Houston to Idaho

Our best American Airlines deals on Houston to Idaho flight tickets

American Airlines

Dec 6

IAH10:43 amHouston George Bush Intcntl

10h 15m

2 stops

BOI7:58 pmBoise Air Term. Gowen Fld

Dec 13

BOI1:57 pmBoise Air Term. Gowen Fld

8h 38m

1 stop

IAH11:35 pmHouston George Bush Intcntl

$256

Find similar

American Airlines

Dec 4

IAH6:17 pmHouston George Bush Intcntl

6h 22m

1 stop

BOI11:39 pmBoise Air Term. Gowen Fld

Dec 7

BOI2:09 pmBoise Air Term. Gowen Fld

8h 22m

1 stop

IAH11:31 pmHouston George Bush Intcntl

$283

Find similar

American Airlines

Nov 11

HOU6:00 amHouston Hobby

7h 16m

1 stop

JAC12:16 pmJackson Hole

Nov 15

JAC1:06 pmJackson Hole

6h 14m

1 stop

HOU8:20 pmHouston Hobby

$319

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Wed 1/7

6:45 am-11:28 am

2 stops30h 43m

Spokane

Thu 1/15

12:28 pm-12:33 am

1 stop10h 05m

$160

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Wed 1/7

4:00 pm-11:28 am

1 stop21h 28m

Spokane

Thu 1/15

12:28 pm-12:33 am

1 stop10h 05m

$172

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Sat 12/6

10:43 am-7:58 pm

2 stops10h 15m

Boise Air Term. Gowen Fld

Sat 12/13

1:57 pm-11:35 pm

1 stop8h 38m

$256

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Fri 2/20

4:00 pm-11:04 pm

1 stop8h 04m

Boise Air Term. Gowen Fld

Tue 2/24

11:45 am-5:46 pm

1 stop5h 01m

$270

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Fri 2/20

4:00 pm-11:04 pm

1 stop8h 04m

Boise Air Term. Gowen Fld

Tue 2/24

5:40 am-5:46 pm

2 stops11h 06m

$275

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Thu 12/4

6:17 pm-11:39 pm

1 stop6h 22m

Boise Air Term. Gowen Fld

Sun 12/7

2:09 pm-11:31 pm

1 stop8h 22m

$283

HoustonBoise

HOU - BOI

HOUBOI

Houston Hobby

Tue 11/18

5:35 am-10:15 am

1 stop5h 40m

Boise Air Term. Gowen Fld

Sat 11/22

4:20 pm-12:45 am

1 stop7h 25m

$332

HoustonBoise

HOU - BOI

HOUBOI

Houston Hobby

Wed 3/4

9:00 am-3:20 pm

1 stop7h 20m

Boise Air Term. Gowen Fld

Mon 3/9

6:10 pm-1:05 am

1 stop5h 55m

$338

HoustonJackson

IAH - JAC

IAHJAC

Houston George Bush Intcntl

Tue 12/30

9:30 am-12:04 pm

Nonstop3h 34m

Jackson Hole

Mon 1/5

6:06 pm-12:33 am

1 stop5h 27m

$414

HoustonJackson

IAH - JAC

IAHJAC

Houston George Bush Intcntl

Tue 12/30

5:00 am-11:34 am

1 stop7h 34m

Jackson Hole

Mon 1/5

6:06 pm-12:33 am

1 stop5h 27m

$423

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 $265. If you don’t want to visit Idaho in August, then you should wait until October to fly from Houston, when ticket prices are also cheap, with an average price of $284.

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.

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 $358 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 $268 on momondo.

Cheap Houston to Idaho flight deals and tips

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

Fastest flight time	3h 34m
Direct flights	Mon, Tue, Wed, Fri, Sat and Sun
Airports in Idaho	1 airport

The fastest flight from Houston to Idaho takes 3h 34m

Direct flights go from Houston to Idaho on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

There is 1 airport near Idaho: 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 October 2025, there are 6 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
United Airlines	PriceFrom $208	Free Cancellation	Rating 7.4 8,998 reviews	Search United Airlines flights
Delta	PriceFrom $230	Free Cancellation	Rating 7.9 7,998 reviews	Search Delta flights
Alaska Airlines	PriceFrom $248	Free Cancellation	Rating 8.0 11,217 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $250	Free Cancellation	Rating 7.2 11,035 reviews	Search American Airlines flights
Southwest	PriceFrom $282	Free Cancellation	Rating 8.0 4,243 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.