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 32% 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?

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

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

As of April 2025, 3 flights take off from Houston and land in Idaho each week. The most common flight departure day for this route is Mon, with 33% of weekly flights taking off on this day.

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 April 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.

$89 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

KAYAK's recommended round-trip deals from the most popular airlines that fly from Houston to Idaho.

12:51 pm - 11:59 pmIAH-BOI

12h 08m2 stops

5:40 am - 1:49 pmBOI-IAH

7h 09m1 stop

$235Delta

Find Deal

Fri, Jul 4 - Sat, Jul 12

12:51 pm - 11:59 pmIAH-BOI

12h 08m2 stops

11:30 pm - 8:32 amBOI-IAH

8h 02m1 stop

$244Delta

Find Deal

Fri, Jul 4 - Mon, Jul 7

9:58 am - 4:21 pmIAH-BOI

7h 23m1 stop

2:00 pm - 10:29 pmBOI-IAH

7h 29m1 stop

$251United Airlines

Find Deal

Wed, May 14 - Wed, May 21

5:00 am - 11:16 amIAH-BOI

7h 16m1 stop

2:00 pm - 10:29 pmBOI-IAH

7h 29m1 stop

$260United Airlines

Find Deal

Wed, May 14 - Fri, May 16

5:00 am - 10:56 amIAH-BOI

6h 56m1 stop

3:35 pm - 9:51 pmBOI-IAH

5h 16m1 stop

$270American Airlines

Find Deal

Fri, Jul 4 - Sat, Jul 12

5:00 am - 1:20 pmIAH-BOI

9h 20m2 stops

6:52 am - 1:31 pmBOI-IAH

5h 39m1 stop

$275American Airlines

Find Deal

Sat, May 31 - Wed, Jun 4

10:28 pm - 12:57 pmIAH-BOI

15h 29m1 stop

1:52 pm - 10:55 pmBOI-IAH

8h 03m1 stop

$289Spirit Airlines

Find Deal

Thu, May 1 - Mon, May 5

5:15 am - 12:57 pmIAH-BOI

32h 42m2 stops

1:52 pm - 10:55 pmBOI-IAH

8h 03m1 stop

$293Spirit Airlines

Find Deal

Thu, May 1 - Mon, May 5

5:25 pm - 1:05 amHOU-BOI

8h 40m1 stop

7:05 pm - 1:30 amBOI-HOU

5h 25m1 stop

$315Southwest

Find Deal

Mon, Jun 30 - Tue, Jul 8

10:45 pm - 10:40 amHOU-BOI

12h 55m2 stops

7:05 pm - 1:30 amBOI-HOU

5h 25m1 stop

$326Southwest

Find Deal

Mon, Jun 30 - Tue, Jul 8

United Airlines flights from Houston to Idaho

Our best United Airlines deals on Houston to Idaho flight tickets

United Airlines

May 14

IAH9:58 amHouston George Bush Intcntl

7h 23m

1 stop

BOI4:21 pmBoise Air Term. Gowen Fld

May 21

BOI2:00 pmBoise Air Term. Gowen Fld

7h 29m

1 stop

IAH10:29 pmHouston George Bush Intcntl

$251

Find similar

United Airlines

May 14

IAH5:00 amHouston George Bush Intcntl

7h 16m

1 stop

BOI11:16 amBoise Air Term. Gowen Fld

May 16

BOI2:00 pmBoise Air Term. Gowen Fld

7h 29m

1 stop

IAH10:29 pmHouston George Bush Intcntl

$260

Find similar

United Airlines

May 24

IAH6:05 pmHouston George Bush Intcntl

3h 25m

JAC8:30 pmJackson Hole

May 31

JAC7:00 amJackson Hole

3h 15m

IAH11:15 amHouston George Bush Intcntl

$409

Find similar

Southwest flights from Houston to Idaho

Our best Southwest deals on Houston to Idaho flight tickets

Southwest

Jun 30

HOU5:25 pmHouston Hobby

8h 40m

1 stop

BOI1:05 amBoise Air Term. Gowen Fld

Jul 8

BOI7:05 pmBoise Air Term. Gowen Fld

5h 25m

1 stop

HOU1:30 amHouston Hobby

$315

Find similar

Southwest

Jun 30

HOU10:45 pmHouston Hobby

12h 55m

2 stops

BOI10:40 amBoise Air Term. Gowen Fld

Jul 8

BOI7:05 pmBoise Air Term. Gowen Fld

5h 25m

1 stop

HOU1:30 amHouston Hobby

$326

Find similar

Southwest

Jul 25

HOU5:15 pmHouston Hobby

7h 45m

1 stop

GEG11:00 pmSpokane

Aug 2

GEG6:00 amSpokane

7h 00m

1 stop

HOU3:00 pmHouston Hobby

$347

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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 April to fly from Houston, when ticket prices are also cheap, with an average price of $295.

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 24 weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $361 when searching 24 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 $233 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	$89
Fastest flight time	3h 25m
Direct flights	Sat and Sun
Airports in Idaho	4 airports

The best one-way flight to Idaho from Houston in the past 72 hours is $89. The best round-trip flight deal from Houston to Idaho found on momondo in the last 72 hours is $235.

The fastest flight from Houston to Idaho takes 3h 25m

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

There are 4 airports near Idaho: Idaho Falls Fanning Field (IDA), Spokane (GEG), Boise Air Term. Gowen Fld (BOI), Jackson Hole (JAC)

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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 April 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
Spirit Airlines	PriceFrom $141	Free Cancellation	Rating 6.3 7,926 reviews	Search Spirit Airlines flights
Delta	PriceFrom $196	Free Cancellation	Rating 8.0 7,917 reviews	Search Delta flights
Alaska Airlines	PriceFrom $198	Free Cancellation	Rating 8.0 9,882 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $208	Free Cancellation	Rating 7.4 8,667 reviews	Search United Airlines flights
American Airlines	PriceFrom $221	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $298	Free Cancellation	Rating 8.0 4,280 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.