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

Delta, Frontier, and United Airlines are the most popular carriers operating from Houston George Bush Intcntl to Idaho

What airlines fly to Idaho?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Idaho from Houston George Bush Intcntl Airport according to our data. United Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 4 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Idaho?

There are 5 operators available for flights from Houston George Bush Intcntl Airport to Idaho as of March 2026.

How old do you have to be to fly from Houston George Bush Intcntl Airport to Idaho?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston George Bush Intcntl Airport to Idaho.

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

The travel and health documents you'll need for your trip to Idaho may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$136 Cheap Flights from Houston George Bush Intcntl Airport to Idaho in 2026

Q: How many flights depart from Houston George Bush Intcntl Airport to Idaho on average per week?

4 flights are operational weekly from Houston George Bush Intcntl Airport to Idaho as of March 2026. The most popular departure day for this route is Sat, with 50% of flights per week taking off on this day.

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Find the cheapest flights from Houston George Bush Intcntl Airport to Idaho

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:45 am - 10:31 am

IAH

GEG

5h 46m

1 stop

11:32 am - 12:48 am

GEG

IAH

11h 16m

1 stop

$190Frontier

Thu, May 7 - Sun, May 10

6:15 am - 10:35 am

IAH

GEG

6h 20m

1 stop

11:35 am - 11:40 pm

GEG

IAH

10h 05m

1 stop

$211Frontier

Tue, Jun 2 - Tue, Jun 9

10:00 am - 4:48 pm

IAH

BOI

7h 48m

1 stop

5:29 pm - 11:59 pm

BOI

IAH

5h 30m

1 stop

$268United Airlines

Tue, Mar 31 - Tue, Apr 7

2:41 pm - 9:22 pm

IAH

BOI

7h 41m

1 stop

12:30 pm - 8:34 pm

BOI

IAH

7h 04m

1 stop

$271United Airlines

Wed, Apr 22 - Wed, May 6

7:45 am - 8:00 pm

IAH

BOI

13h 15m

2 stops

2:18 pm - 11:59 pm

BOI

IAH

8h 41m

1 stop

$276Delta

Wed, Apr 22 - Wed, May 6

4:00 pm - 11:57 pm

IAH

BOI

8h 57m

2 stops

8:30 am - 9:35 pm

BOI

IAH

12h 05m

2 stops

$282Delta

Wed, Apr 22 - Wed, May 6

5:57 pm - 11:58 pm

IAH

BOI

7h 01m

1 stop

4:28 pm - 1:46 pm

BOI

IAH

20h 18m

1 stop

$291Alaska Airlines

Thu, May 14 - Mon, May 18

5:00 am - 12:42 pm

IAH

BOI

8h 42m

1 stop

2:14 pm - 11:33 pm

BOI

IAH

8h 19m

1 stop

$301American Airlines

Tue, Mar 31 - Tue, Apr 7

6:00 am - 12:38 pm

IAH

JAC

7h 38m

1 stop

3:06 pm - 11:52 pm

JAC

IAH

7h 46m

1 stop

$306American Airlines

Tue, Mar 31 - Sat, Apr 4

7:00 am - 11:37 am

IAH

JAC

29h 37m

1 stop

12:17 pm - 5:21 am

JAC

IAH

16h 04m

1 stop

$327Alaska Airlines

Wed, Mar 25 - Fri, Mar 27

United Airlines flights from Houston George Bush Intcntl Airport to Idaho

Our best United Airlines deals on Houston George Bush Intcntl Airport to Idaho flight tickets

United Airlines

Mar 31

IAH10:00 amHouston George Bush Intcntl

7h 48m

1 stop

BOI4:48 pmBoise Air Term. Gowen Fld

Apr 7

BOI5:29 pmBoise Air Term. Gowen Fld

5h 30m

1 stop

IAH11:59 pmHouston George Bush Intcntl

$268

United Airlines

Apr 22

IAH2:41 pmHouston George Bush Intcntl

7h 41m

1 stop

BOI9:22 pmBoise Air Term. Gowen Fld

May 6

BOI12:30 pmBoise Air Term. Gowen Fld

7h 04m

1 stop

IAH8:34 pmHouston George Bush Intcntl

$271

United Airlines

Jun 3

IAH5:15 amHouston George Bush Intcntl

5h 30m

1 stop

BOI9:45 amBoise Air Term. Gowen Fld

Jun 10

BOI12:38 pmBoise Air Term. Gowen Fld

7h 58m

1 stop

IAH9:36 pmHouston George Bush Intcntl

$289

American Airlines flights from Houston George Bush Intcntl Airport to Idaho

Our best American Airlines deals on Houston George Bush Intcntl Airport to Idaho flight tickets

American Airlines

Jul 23

IAH5:44 pmHouston George Bush Intcntl

7h 22m

1 stop

GEG11:06 pmSpokane

Jul 27

GEG6:30 amSpokane

8h 29m

1 stop

IAH4:59 pmHouston George Bush Intcntl

$297

American Airlines

Mar 31

IAH6:00 amHouston George Bush Intcntl

7h 38m

1 stop

JAC12:38 pmJackson Hole

Apr 4

JAC3:06 pmJackson Hole

7h 46m

1 stop

IAH11:52 pmHouston George Bush Intcntl

$306

American Airlines

Mar 25

IAH7:32 amHouston George Bush Intcntl

7h 54m

1 stop

JAC2:26 pmJackson Hole

Mar 31

JAC1:08 pmJackson Hole

4h 55m

1 stop

IAH7:03 pmHouston George Bush Intcntl

$307

momondo Fare Finder

Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Thu 5/7

6:45 am-10:31 am

1 stop5h 46m

Spokane

Sun 5/10

11:32 am-12:48 am

1 stop11h 16m

$190

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Tue 6/2

6:15 am-10:35 am

1 stop6h 20m

Spokane

Tue 6/9

11:35 am-11:40 pm

1 stop10h 05m

$211

Quickest round-trip

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Tue 3/31

10:00 am-4:48 pm

1 stop7h 48m

Boise Air Term. Gowen Fld

Tue 4/7

5:29 pm-11:59 pm

1 stop5h 30m

$268

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Wed 4/22

2:41 pm-9:22 pm

1 stop7h 41m

Boise Air Term. Gowen Fld

Wed 5/6

12:30 pm-8:34 pm

1 stop7h 04m

$271

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Wed 4/22

7:45 am-8:00 pm

2 stops13h 15m

Boise Air Term. Gowen Fld

Wed 5/6

2:18 pm-11:59 pm

1 stop8h 41m

$276

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Wed 4/22

4:00 pm-11:57 pm

2 stops8h 57m

Boise Air Term. Gowen Fld

Wed 5/6

8:30 am-9:35 pm

2 stops12h 05m

$282

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Thu 5/14

5:57 pm-11:58 pm

1 stop7h 01m

Boise Air Term. Gowen Fld

Mon 5/18

4:28 pm-1:46 pm

1 stop20h 18m

$291

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Tue 3/31

5:00 am-12:42 pm

1 stop8h 42m

Boise Air Term. Gowen Fld

Tue 4/7

2:14 pm-11:33 pm

1 stop8h 19m

$301

HoustonJackson

IAH - JAC

IAHJAC

Houston George Bush Intcntl

Tue 3/31

6:00 am-12:38 pm

1 stop7h 38m

Jackson Hole

Sat 4/4

3:06 pm-11:52 pm

1 stop7h 46m

$306

HoustonJackson

IAH - JAC

IAHJAC

Houston George Bush Intcntl

Wed 3/25

7:00 am-11:37 am

1 stop29h 37m

Jackson Hole

Fri 3/27

12:17 pm-5:21 am

1 stop16h 04m

$327

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 George Bush Intcntl Airport 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, October is the cheapest month to fly from Houston George Bush Intcntl Airport to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $253. If you don’t want to visit Idaho in October, then you should wait until August to fly from Houston George Bush Intcntl Airport, when ticket prices are also cheap, with an average price of $255.

Can stopping save me money on Houston George Bush Intcntl Airport to Idaho flights?

You could potentially save up to 69% on your flight if you consider stops on a Houston George Bush Intcntl Airport to Idaho flight.

Cheap Houston George Bush Intcntl Airport to Idaho flight deals and tips

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

Fastest flight time	3h 25m
Direct flights	Mon, Sat and Sun
Airports in Idaho	27 airports

The fastest flight from Houston George Bush Intcntl Airport to Idaho takes 3h 25m

Direct flights go from Houston George Bush Intcntl Airport to Idaho on Monday, Saturday and Sunday. There are no airlines offering direct flights.

There are 27 airports in Idaho. From Houston George Bush Intcntl Airport there are direct flights to Spokane (GEG), Jackson Hole (JAC).

Search flight deals

When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Idaho?
Prices for flights from Houston George Bush Intcntl Airport to Idaho refresh daily.
How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Idaho?
There are 5 operators available for flights from Houston George Bush Intcntl Airport to Idaho as of March 2026.
How old do you have to be to fly from Houston George Bush Intcntl Airport to Idaho?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston George Bush Intcntl Airport to Idaho.
What documentation or ID do you need to fly to Idaho?
The travel and health documents you'll need for your trip to Idaho may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Houston George Bush Intcntl Airport to Idaho

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Idaho with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $238	Free Cancellation	Rating 7.9 8,269 reviews	Search Delta flights
United Airlines	PriceFrom $246	Free Cancellation	Rating 7.4 9,405 reviews	Search United Airlines flights
American Airlines	PriceFrom $268	Free Cancellation	Rating 7.1 11,397 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $350	Free Cancellation	Rating 8.0 11,994 reviews	Search Alaska Airlines flights

Why use momondo?

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

Finding the right flight to Idaho from Houston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Idaho quick and easy, saving you time and money.

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?

momondo helps you find the best flight between Houston and Idaho by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Idaho, momondo offers a useful price alert feature which will track prices for flights to Idaho from Houston and alert you when they change.