What airlines fly to Houston George Bush Intcntl Airport?

United Airlines, Delta and Alaska Airlines are the top three most popular airlines that fly to Houston George Bush Intcntl Airport from Idaho according to our data. United Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Houston George Bush Intcntl Airport. Keep in mind that there are 4 different airlines that fly to Houston George Bush Intcntl Airport on a routine basis, so you have a few additional options to choose from.

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

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

How long does it take to fly to Houston George Bush Intcntl Airport?

Flight times vary depending on what airport in Idaho you fly out of and what airport in Houston George Bush Intcntl Airport you fly into. For example, flying from Boise to Houston Hobby Airport takes 4h 47m on average. On the other hand, flying from Idaho Falls to Houston Hobby Airport takes 5h 26m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

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

The number of operators available for flights from Idaho to Houston George Bush Intcntl Airport is 4 as of August 2026.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Houston George Bush Intcntl Airport.

What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

The required travel and health documents for your Houston George Bush Intcntl Airport 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 Houston George Bush Intcntl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$104 Cheap Flights from Idaho to Houston George Bush Intcntl Airport in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Idaho to Houston

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Cheap round-trip flights

Enter your travel dates to find the best prices.

2:49 pm - 12:44 amBOI Boise Air Term. Gowen Fld-IAH Houston George Bush Intcntl

8h 55m1 stop Las Vegas Harry Reid Intl

6:00 am - 1:54 pmIAH Houston George Bush Intcntl-BOI Boise Air Term. Gowen Fld

8h 54m1 stop Las Vegas Harry Reid Intl

$204Frontier

Thu, Nov 5 - Thu, Nov 12

2:49 pm - 12:44 amBOI Boise Air Term. Gowen Fld-IAH Houston George Bush Intcntl

8h 55m1 stop Las Vegas Harry Reid Intl

2:49 pm - 1:54 pmIAH Houston George Bush Intcntl-BOI Boise Air Term. Gowen Fld

24h 05m1 stop Las Vegas Harry Reid Intl

$216Frontier

Thu, Nov 5 - Wed, Nov 11

12:39 pm - 8:33 pmGEG Spokane-IAH Houston George Bush Intcntl

5h 54m1 stop Dallas/Fort Worth

6:00 am - 11:55 amIAH Houston George Bush Intcntl-GEG Spokane

7h 55m1 stop Dallas/Fort Worth

$319American Airlines

Sat, Sep 19 - Wed, Sep 30

12:45 pm - 10:30 pmGEG Spokane-IAH Houston George Bush Intcntl

7h 45m1 stop Dallas/Fort Worth

8:15 am - 1:13 pmIAH Houston George Bush Intcntl-GEG Spokane

6h 58m1 stop Phoenix Sky Harbor Intl

$319American Airlines

Tue, Sep 22 - Tue, Sep 29

6:22 am - 3:08 pmGEG Spokane-IAH Houston George Bush Intcntl

6h 46m1 stop Los Angeles Los Angeles

7:25 am - 12:07 pmIAH Houston George Bush Intcntl-GEG Spokane

6h 42m1 stop Salt Lake City

$319Delta

Tue, Sep 22 - Wed, Sep 30

12:38 pm - 11:54 pmGEG Spokane-IAH Houston George Bush Intcntl

9h 16m1 stop Atlanta Hartsfield-Jackson

2:25 pm - 6:14 pmIAH Houston George Bush Intcntl-GEG Spokane

5h 49m1 stop Salt Lake City

$319Delta

Sat, Sep 26 - Fri, Oct 2

5:12 am - 1:31 pmGEG Spokane-IAH Houston George Bush Intcntl

6h 19m1 stop Portland

2:34 pm - 7:53 pmIAH Houston George Bush Intcntl-GEG Spokane

7h 19m1 stop Seattle/Tacoma Intl

$319Alaska Airlines

Sun, Sep 20 - Wed, Sep 30

1:36 pm - 11:59 pmGEG Spokane-IAH Houston George Bush Intcntl

8h 23m1 stop Seattle/Tacoma Intl

7:02 am - 1:45 pmIAH Houston George Bush Intcntl-GEG Spokane

8h 43m1 stop Seattle/Tacoma Intl

$319Alaska Airlines

Tue, Sep 22 - Wed, Sep 30

4:08 pm - 11:59 pmGEG Spokane-IAH Houston George Bush Intcntl

5h 51m1 stop Denver Intl

10:32 am - 3:22 pmIAH Houston George Bush Intcntl-GEG Spokane

6h 50m1 stop Denver Intl

$319United Airlines

Sat, Sep 26 - Sat, Oct 3

4:10 pm - 11:59 pmGEG Spokane-IAH Houston George Bush Intcntl

5h 49m1 stop Denver Intl

3:40 pm - 10:30 pmIAH Houston George Bush Intcntl-GEG Spokane

8h 50m1 stop Chicago O'Hare Intl

$319United Airlines

Sat, Nov 21 - Thu, Dec 24

Cheap last minute flights

Enter your travel dates to find the best prices.

12:24 pm - 12:55 amBOI Boise Air Term. Gowen Fld-IAH Houston George Bush Intcntl

11h 31m1 stop Denver Intl

5:05 am - 1:55 pmIAH Houston George Bush Intcntl-BOI Boise Air Term. Gowen Fld

9h 50m1 stop Las Vegas Harry Reid Intl

$314Frontier

Thu, Sep 3 - Fri, Sep 11

12:24 pm - 12:55 amBOI Boise Air Term. Gowen Fld-IAH Houston George Bush Intcntl

11h 31m1 stop Denver Intl

5:05 am - 1:55 pmIAH Houston George Bush Intcntl-BOI Boise Air Term. Gowen Fld

9h 50m1 stop Las Vegas Harry Reid Intl

$324Frontier

Thu, Sep 3 - Fri, Sep 11

11:12 am - 11:54 pmBOI Boise Air Term. Gowen Fld-IAH Houston George Bush Intcntl

11h 42m2 stops Salt Lake City Los Angeles Los Angeles

5:00 pm - 11:59 pmIAH Houston George Bush Intcntl-BOI Boise Air Term. Gowen Fld

7h 59m1 stop Minneapolis St Paul

$334Delta

Thu, Sep 3 - Fri, Sep 11

4:00 pm - 11:54 pmBOI Boise Air Term. Gowen Fld-IAH Houston George Bush Intcntl

6h 54m1 stop Los Angeles Los Angeles

2:25 pm - 10:34 pmIAH Houston George Bush Intcntl-BOI Boise Air Term. Gowen Fld

9h 09m2 stops Salt Lake City Seattle/Tacoma Intl

$334Delta

Thu, Sep 3 - Fri, Sep 11

5:12 am - 1:31 pmGEG Spokane-IAH Houston George Bush Intcntl

6h 19m1 stop Portland

6:16 pm - 11:11 pmIAH Houston George Bush Intcntl-GEG Spokane

6h 55m1 stop Portland

$383Alaska Airlines

Tue, Sep 1 - Tue, Sep 8

5:12 am - 1:31 pmGEG Spokane-IAH Houston George Bush Intcntl

6h 19m1 stop Portland

6:16 pm - 11:11 pmIAH Houston George Bush Intcntl-GEG Spokane

6h 55m1 stop Portland

$383Alaska Airlines

Fri, Sep 4 - Fri, Sep 11

8:01 am - 6:44 pmBOI Boise Air Term. Gowen Fld-IAH Houston George Bush Intcntl

9h 43m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

9:03 am - 4:49 pmIAH Houston George Bush Intcntl-BOI Boise Air Term. Gowen Fld

8h 46m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

$436American Airlines

Tue, Sep 1 - Sun, Sep 6

12:06 pm - 6:04 pmIDA Idaho Falls Fanning Field-IAH Houston George Bush Intcntl

4h 58m1 stop Dallas/Fort Worth

5:00 am - 11:30 amIAH Houston George Bush Intcntl-IDA Idaho Falls Fanning Field

7h 30m1 stop Dallas/Fort Worth

$485American Airlines

Fri, Sep 4 - Mon, Sep 7

5:44 pm - 11:56 pmBOI Boise Air Term. Gowen Fld-IAH Houston George Bush Intcntl

5h 12m1 stop Denver Intl

5:00 am - 11:28 amIAH Houston George Bush Intcntl-BOI Boise Air Term. Gowen Fld

7h 28m1 stop Chicago O'Hare Intl

$669United Airlines

Fri, Sep 4 - Mon, Sep 7

5:44 pm - 11:56 pmBOI Boise Air Term. Gowen Fld-IAH Houston George Bush Intcntl

5h 12m1 stop Denver Intl

6:30 am - 1:38 pmIAH Houston George Bush Intcntl-BOI Boise Air Term. Gowen Fld

8h 08m1 stop Denver Intl

$669United Airlines

Fri, Sep 4 - Mon, Sep 7

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American Airlines flights from Idaho to Houston George Bush Intcntl Airport

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

American Airlines

Sep 10

GEG1:53 pmSpokane

8h 00m

1 stop

IAH11:53 pmHouston George Bush Intcntl

Sep 13

IAH6:00 amHouston George Bush Intcntl

7h 54m

1 stop

GEG11:54 amSpokane

$319

American Airlines

Jan 9

IDA7:29 amIdaho Falls Fanning Field

8h 53m

1 stop

IAH5:22 pmHouston George Bush Intcntl

Jan 19

IAH6:00 amHouston George Bush Intcntl

8h 18m

1 stop

IDA1:18 pmIdaho Falls Fanning Field

$321

American Airlines

Sep 19

GEG6:30 amSpokane

10h 43m

2 stops

IAH7:13 pmHouston George Bush Intcntl

Sep 30

IAH6:00 amHouston George Bush Intcntl

7h 55m

1 stop

GEG11:55 amSpokane

$324

United Airlines flights from Idaho to Houston George Bush Intcntl Airport

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

United Airlines

Oct 30

IDA2:35 pmIdaho Falls Fanning Field

7h 19m

1 stop

IAH10:54 pmHouston George Bush Intcntl

Nov 3

IAH10:25 amHouston George Bush Intcntl

6h 13m

1 stop

IDA3:38 pmIdaho Falls Fanning Field

$330

United Airlines

Sep 25

IDA4:05 pmIdaho Falls Fanning Field

6h 54m

1 stop

IAH11:59 pmHouston George Bush Intcntl

Sep 28

IAH5:15 amHouston George Bush Intcntl

5h 38m

1 stop

IDA9:53 amIdaho Falls Fanning Field

$339

United Airlines

Nov 21

GEG4:10 pmSpokane

5h 49m

1 stop

IAH11:59 pmHouston George Bush Intcntl

Nov 24

IAH5:00 amHouston George Bush Intcntl

9h 29m

1 stop

GEG12:29 pmSpokane

$375

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseHouston

BOI Boise Air Term. Gowen Fld - IAH Houston George Bush Intcntl

BOIIAH

Boise Air Term. Gowen Fld

Thu 11/5

2:49 pm-12:44 am

1 stop8h 55m

Houston George Bush Intcntl

Thu 11/12

6:00 am-1:54 pm

1 stop8h 54m

$204

BoiseHouston

BOI Boise Air Term. Gowen Fld - IAH Houston George Bush Intcntl

BOIIAH

Boise Air Term. Gowen Fld

Thu 11/5

2:49 pm-12:44 am

1 stop8h 55m

Houston George Bush Intcntl

Wed 11/11

2:49 pm-1:54 pm

1 stop24h 05m

$216

SpokaneHouston

GEG Spokane - IAH Houston George Bush Intcntl

GEGIAH

Spokane

Sat 9/19

12:39 pm-8:33 pm

1 stop5h 54m

Houston George Bush Intcntl

Wed 9/30

6:00 am-11:55 am

1 stop7h 55m

$319

SpokaneHouston

GEG Spokane - IAH Houston George Bush Intcntl

GEGIAH

Spokane

Tue 9/22

12:45 pm-10:30 pm

1 stop7h 45m

Houston George Bush Intcntl

Tue 9/29

8:15 am-1:13 pm

1 stop6h 58m

$319

SpokaneHouston

GEG Spokane - IAH Houston George Bush Intcntl

GEGIAH

Spokane

Tue 9/22

6:22 am-3:08 pm

1 stop6h 46m

Houston George Bush Intcntl

Wed 9/30

7:25 am-12:07 pm

1 stop6h 42m

$319

SpokaneHouston

GEG Spokane - IAH Houston George Bush Intcntl

GEGIAH

Spokane

Sat 9/26

12:38 pm-11:54 pm

1 stop9h 16m

Houston George Bush Intcntl

Fri 10/2

2:25 pm-6:14 pm

1 stop5h 49m

$319

SpokaneHouston

GEG Spokane - IAH Houston George Bush Intcntl

GEGIAH

Spokane

Sun 9/20

5:12 am-1:31 pm

1 stop6h 19m

Houston George Bush Intcntl

Wed 9/30

2:34 pm-7:53 pm

1 stop7h 19m

$319

SpokaneHouston

GEG Spokane - IAH Houston George Bush Intcntl

GEGIAH

Spokane

Tue 9/22

1:36 pm-11:59 pm

1 stop8h 23m

Houston George Bush Intcntl

Wed 9/30

7:02 am-1:45 pm

1 stop8h 43m

$319

Quickest round-trip

SpokaneHouston

GEG Spokane - IAH Houston George Bush Intcntl

GEGIAH

Spokane

Sat 9/26

4:08 pm-11:59 pm

1 stop5h 51m

Houston George Bush Intcntl

Sat 10/3

10:32 am-3:22 pm

1 stop6h 50m

$319

SpokaneHouston

GEG Spokane - IAH Houston George Bush Intcntl

GEGIAH

Spokane

Sat 11/21

4:10 pm-11:59 pm

1 stop5h 49m

Houston George Bush Intcntl

Thu 12/24

3:40 pm-10:30 pm

1 stop8h 50m

$319

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 Idaho to Houston George Bush Intcntl Airport

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 Houston George Bush Intcntl Airport?

The month of October is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Idaho, with most prices found around $370. If you are unable to visit Houston George Bush Intcntl Airport during the month of October, then departing from Idaho during the month February is also very affordable. Most momondo users find prices during this month for around $370.

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

You could potentially save up to 64% on your flight if you consider stops on a Idaho to Houston George Bush Intcntl Airport flight.

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

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

Best Price Found	$104
Fastest flight time	3h 14m
Direct flights	Mon and Tue

The best one-way flight to Houston George Bush Intcntl Airport from Idaho in the past 72 hours is $104. The best round-trip flight deal from Idaho to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $204.

The fastest flight from Idaho to Houston George Bush Intcntl Airport takes 3h 14m

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

Search flight deals

Frequently asked questions about flying from Idaho to Houston George Bush Intcntl Airport

When did momondo last update prices for flights from Idaho to Houston George Bush Intcntl Airport?
Prices for flights from Idaho to Houston George Bush Intcntl Airport are updated daily.
How many operators does momondo search for flights from Idaho to Houston George Bush Intcntl Airport?
The number of operators available for flights from Idaho to Houston George Bush Intcntl Airport is 4 as of August 2026.
How old do you have to be to fly from Idaho to Houston George Bush Intcntl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Houston George Bush Intcntl Airport.
What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?
The required travel and health documents for your Houston George Bush Intcntl Airport 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 Houston George Bush Intcntl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Idaho to Houston George Bush Intcntl Airport

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $226	Free Cancellation	Rating 7.8 8,538 reviews	Search Delta flights
United Airlines	PriceFrom $269	Free Cancellation	Rating 7.4 10,148 reviews	Search United Airlines flights
American Airlines	PriceFrom $288	Free Cancellation	Rating 7.1 12,021 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $288	Free Cancellation	Rating 7.9 12,865 reviews	Search Alaska Airlines flights

Katy

The Woodlands

Humble

Conroe

Montgomery

Spring

Cypress

Jersey Village

Livingston

Tomball

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

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

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

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

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

momondo provides multiple filters to help you find the best flight to Houston from Idaho. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Idaho to Houston now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Houston and let you know when they change.

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Cheap flights from Idaho to Houston from $104

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Houston departing on 11/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Idaho to Houston George Bush Intcntl Airport

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

United Airlines flights from Idaho to Houston George Bush Intcntl Airport

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

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

See travel insights to Houston from

How to get the cheapest flight ticket from Idaho to Houston George Bush Intcntl Airport

What is the cheapest month to fly to Houston George Bush Intcntl Airport?

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

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

What airlines fly to Houston George Bush Intcntl Airport?

How long does it take to fly to Houston George Bush Intcntl Airport?

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

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Frequently asked questions about flying from Idaho to Houston George Bush Intcntl Airport

Best airlines flying from Idaho to Houston George Bush Intcntl Airport

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

Traveling to a place near Houston?

Why use momondo?

An easier way to manage your Houston George Bush Intcntl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Daily price changes in your inbox - only with Price Alerts.

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