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 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?

Frontier, Delta, and Alaska 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 May 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 May 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.

$98 Cheap Flights from Houston to Idaho in 2025

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Find the cheapest flights from Houston to Idaho

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Cheap round-trip flights

These are some of the best round-trip flight deals from Houston to Idaho that have been recently found on momondo from popular airlines, departing in the coming months.

3:49 pm - 11:21 amIAH-BOI

20h 32m2 stops

12:16 pm - 5:31 amBOI-IAH

16h 15m1 stop

$207Spirit Airlines

Find Deal

Thu, May 22 - Mon, May 26

6:30 am - 11:06 amIAH-GEG

6h 36m1 stop

11:49 am - 11:47 pmGEG-IAH

9h 58m1 stop

$208Frontier

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Tue, May 20 - Thu, May 29

12:50 pm - 6:01 pmIAH-BOI

6h 11m1 stop

2:31 pm - 10:14 pmBOI-IAH

6h 43m1 stop

$209United Airlines

Find Deal

Wed, May 28 - Fri, May 30

5:20 am - 9:59 amIAH-BOI

5h 39m1 stop

2:00 pm - 10:29 pmBOI-IAH

7h 29m1 stop

$213United Airlines

Find Deal

Wed, May 14 - Fri, May 16

6:20 am - 6:21 pmIAH-BOI

13h 01m2 stops

5:40 pm - 12:51 amBOI-IAH

6h 11m1 stop

$214Delta

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Wed, May 28 - Fri, May 30

2:15 pm - 8:54 pmIAH-JAC

7h 39m1 stop

11:30 am - 5:48 pmJAC-IAH

5h 18m1 stop

$217Delta

Find Deal

Sat, Aug 9 - Wed, Aug 13

5:00 am - 1:20 pmIAH-BOI

9h 20m2 stops

1:38 pm - 10:44 pmBOI-IAH

8h 06m1 stop

$218American Airlines

Find Deal

Wed, May 14 - Fri, May 16

5:00 am - 10:54 amHOU-BOI

6h 54m1 stop

3:35 pm - 11:49 pmBOI-HOU

7h 14m1 stop

$251American Airlines

Find Deal

Sat, Jul 12 - Sat, Jul 12

5:35 am - 1:15 pmHOU-BOI

8h 40m1 stop

5:35 am - 12:20 pmBOI-HOU

5h 45m1 stop

$324Southwest

Find Deal

Wed, May 28 - Fri, May 30

5:35 am - 1:15 pmHOU-BOI

8h 40m1 stop

5:35 am - 2:55 pmBOI-HOU

8h 20m2 stops

$329Southwest

Find Deal

Wed, May 28 - Fri, May 30

Spirit Airlines flights from Houston to Idaho

Our best Spirit Airlines deals on Houston to Idaho flight tickets

Spirit Airlines

May 22

IAH3:49 pmHouston George Bush Intcntl

20h 32m

2 stops

BOI11:21 amBoise Air Term. Gowen Fld

May 26

BOI12:16 pmBoise Air Term. Gowen Fld

16h 15m

1 stop

IAH5:31 amHouston George Bush Intcntl

$207

Find similar

Spirit Airlines

May 22

IAH2:45 pmHouston George Bush Intcntl

21h 36m

1 stop

BOI11:21 amBoise Air Term. Gowen Fld

May 26

BOI12:16 pmBoise Air Term. Gowen Fld

16h 15m

1 stop

IAH5:31 amHouston George Bush Intcntl

$217

Find similar

Spirit Airlines

May 22

IAH3:49 pmHouston George Bush Intcntl

20h 32m

2 stops

BOI11:21 amBoise Air Term. Gowen Fld

May 26

BOI12:16 pmBoise Air Term. Gowen Fld

26h 13m

2 stops

IAH3:29 pmHouston George Bush Intcntl

$230

Find similar

United Airlines flights from Houston to Idaho

Our best United Airlines deals on Houston to Idaho flight tickets

United Airlines

May 28

IAH12:50 pmHouston George Bush Intcntl

6h 11m

1 stop

BOI6:01 pmBoise Air Term. Gowen Fld

May 30

BOI2:31 pmBoise Air Term. Gowen Fld

6h 43m

1 stop

IAH10:14 pmHouston George Bush Intcntl

$209

Find similar

United Airlines

May 14

IAH5:20 amHouston George Bush Intcntl

5h 39m

1 stop

BOI9:59 amBoise Air Term. Gowen Fld

May 16

BOI2:00 pmBoise Air Term. Gowen Fld

7h 29m

1 stop

IAH10:29 pmHouston George Bush Intcntl

$213

Find similar

United Airlines

Jul 17

IAH5:00 amHouston George Bush Intcntl

5h 46m

1 stop

BOI9:46 amBoise Air Term. Gowen Fld

Jul 26

BOI5:42 pmBoise Air Term. Gowen Fld

5h 17m

1 stop

IAH11:59 pmHouston George Bush Intcntl

$260

Find similar

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	$98
Fastest flight time	3h 25m
Direct flights	Sat and Sun
Airports in Idaho	5 airports

The best one-way flight to Idaho from Houston in the past 72 hours is $98. The best round-trip flight deal from Houston to Idaho found on momondo in the last 72 hours is $207.

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 5 airports near Idaho: West Yellowstone (WYS), 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 May 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 7,963 reviews	Search Spirit Airlines flights
Delta	PriceFrom $196	Free Cancellation	Rating 8.0 7,934 reviews	Search Delta flights
Alaska Airlines	PriceFrom $198	Free Cancellation	Rating 8.0 9,972 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $208	Free Cancellation	Rating 7.4 8,696 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 4,294 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.