Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Houston George Bush Intcntl Airport to Idaho from $126

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to Idaho departing on 2/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:45 am - 12:24 pm
IAH
-
GEG
7h 39m1 stop
Frontier Logo
11:22 am - 12:33 am
GEG
-
IAH
11h 11m1 stop
$224Frontier
Thu, Jan 8 - Thu, Jan 15
Multiple Airlines Logo
9:33 pm - 2:19 pm
IAH
-
IDA
17h 46m1 stop
Multiple Airlines Logo
9:20 pm - 5:55 am
IDA
-
IAH
7h 35m1 stop
$241Multiple Airlines
Thu, Jan 8 - Mon, Jan 12
Alaska Airlines Logo
5:33 pm - 11:59 pm
IAH
-
BOI
7h 26m1 stop
Alaska Airlines Logo
8:20 pm - 5:53 pm
BOI
-
IAH
20h 33m1 stop
$269Alaska Airlines
Wed, Mar 4 - Mon, Mar 9
United Airlines Logo
5:00 am - 12:39 pm
IAH
-
BOI
8h 39m1 stop
United Airlines Logo
5:16 pm - 11:59 pm
BOI
-
IAH
5h 43m1 stop
$270United Airlines
Tue, Jan 6 - Fri, Jan 9
Delta Logo
11:34 am - 5:40 pm
IAH
-
BOI
7h 06m1 stop
Delta Logo
10:35 am - 9:36 pm
BOI
-
IAH
10h 01m2 stops
$275Delta
Wed, Mar 4 - Mon, Mar 9
Delta Logo
11:34 am - 8:10 pm
IAH
-
BOI
9h 36m2 stops
Delta Logo
8:59 am - 9:36 pm
BOI
-
IAH
11h 37m2 stops
$280Delta
Wed, Mar 4 - Mon, Mar 9
United Airlines Logo
5:00 am - 10:01 am
IAH
-
BOI
6h 01m1 stop
United Airlines Logo
12:19 pm - 9:28 pm
BOI
-
IAH
8h 09m1 stop
$289United Airlines
Mon, Jan 5 - Fri, Jan 9
American Airlines Logo
2:41 pm - 11:11 pm
IAH
-
GEG
10h 30m2 stops
American Airlines Logo
6:00 am - 1:51 pm
GEG
-
IAH
5h 51m1 stop
$317American Airlines
Thu, Jan 8 - Thu, Jan 15
Alaska Airlines Logo
5:55 pm - 10:52 pm
IAH
-
GEG
6h 57m1 stop
Alaska Airlines Logo
6:00 pm - 11:54 pm
GEG
-
IAH
27h 54m1 stop
$330Alaska Airlines
Thu, Jan 8 - Mon, Jan 12
American Airlines Logo
6:10 pm - 12:21 pm
IAH
-
JAC
19h 11m2 stops
American Airlines Logo
3:16 pm - 10:04 pm
JAC
-
IAH
5h 48m1 stop
$452American Airlines
Sat, Feb 7 - Sun, Feb 15

Frontier flights from Houston George Bush Intcntl Airport to Idaho

Our best Frontier deals on Houston George Bush Intcntl Airport to Idaho flight tickets
Frontier
Jan 8
IAH6:45 amHouston George Bush Intcntl
7h 39m
1 stop
GEG12:24 pmSpokane
Jan 15
GEG11:22 amSpokane
11h 11m
1 stop
IAH12:33 amHouston George Bush Intcntl
$224
Find similar
Frontier
Jan 1
IAH6:45 amHouston George Bush Intcntl
5h 58m
1 stop
BOI11:43 amBoise Air Term. Gowen Fld
Jan 4
BOI12:38 pmBoise Air Term. Gowen Fld
20h 59m
1 stop
IAH10:37 amHouston George Bush Intcntl
$268
Find similar
Frontier
Jan 4
IAH6:45 amHouston George Bush Intcntl
5h 58m
1 stop
BOI11:43 amBoise Air Term. Gowen Fld
Jan 9
BOI12:07 pmBoise Air Term. Gowen Fld
11h 24m
1 stop
IAH12:31 amHouston George Bush Intcntl
$272
Find similar

Alaska Airlines flights from Houston George Bush Intcntl Airport to Idaho

Our best Alaska Airlines deals on Houston George Bush Intcntl Airport to Idaho flight tickets
Alaska Airlines
Mar 4
IAH5:33 pmHouston George Bush Intcntl
7h 26m
1 stop
BOI11:59 pmBoise Air Term. Gowen Fld
Mar 9
BOI8:20 pmBoise Air Term. Gowen Fld
20h 33m
1 stop
IAH5:53 pmHouston George Bush Intcntl
$269
Find similar
Alaska Airlines
Jan 8
IAH5:55 pmHouston George Bush Intcntl
6h 57m
1 stop
GEG10:52 pmSpokane
Jan 12
GEG7:49 pmSpokane
26h 05m
1 stop
IAH11:54 pmHouston George Bush Intcntl
$330
Find similar
Alaska Airlines
Jan 8
IAH5:55 pmHouston George Bush Intcntl
6h 57m
1 stop
GEG10:52 pmSpokane
Jan 12
GEG6:00 pmSpokane
20h 55m
2 stops
IAH4:55 pmHouston George Bush Intcntl
$336
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 15, 2025.
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

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Thu 1/8

6:45 am-12:24 pm

1 stop7h 39m

Spokane

Thu 1/15

11:22 am-12:33 am

1 stop11h 11m

$224

HoustonIdaho Falls

IAH - IDA

IAHIDA

Houston George Bush Intcntl

Thu 1/8

9:33 pm-2:19 pm

1 stop17h 46m

Idaho Falls Fanning Field

Mon 1/12

9:20 pm-5:55 am

1 stop7h 35m

$241

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Wed 3/4

5:33 pm-11:59 pm

1 stop7h 26m

Boise Air Term. Gowen Fld

Mon 3/9

8:20 pm-5:53 pm

1 stop20h 33m

$269

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Tue 1/6

5:00 am-12:39 pm

1 stop8h 39m

Boise Air Term. Gowen Fld

Fri 1/9

5:16 pm-11:59 pm

1 stop5h 43m

$270

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Wed 3/4

11:34 am-5:40 pm

1 stop7h 06m

Boise Air Term. Gowen Fld

Mon 3/9

10:35 am-9:36 pm

2 stops10h 01m

$275

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Wed 3/4

11:34 am-8:10 pm

2 stops9h 36m

Boise Air Term. Gowen Fld

Mon 3/9

8:59 am-9:36 pm

2 stops11h 37m

$280

HoustonBoise

IAH - BOI

IAHBOI

Houston George Bush Intcntl

Mon 1/5

5:00 am-10:01 am

1 stop6h 01m

Boise Air Term. Gowen Fld

Fri 1/9

12:19 pm-9:28 pm

1 stop8h 09m

$289

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Thu 1/8

2:41 pm-11:11 pm

2 stops10h 30m

Spokane

Thu 1/15

6:00 am-1:51 pm

1 stop5h 51m

$317

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Thu 1/8

5:55 pm-10:52 pm

1 stop6h 57m

Spokane

Mon 1/12

6:00 pm-11:54 pm

1 stop27h 54m

$330

HoustonJackson

IAH - JAC

IAHJAC

Houston George Bush Intcntl

Sat 2/7

6:10 pm-12:21 pm

2 stops19h 11m

Jackson Hole

Sun 2/15

3:16 pm-10:04 pm

1 stop5h 48m

$452

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Idaho from

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

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.

What is the cheapest day to depart on your flight to Idaho?

Our data shows that Tuesday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $257. On the other hand, Sunday is the most expensive day to depart from Houston George Bush Intcntl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $412.

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 in the evening. momondo users have found flights departing from Houston George Bush Intcntl Airport to Idaho in the evening for as low as $321. 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 $390 per ticket.

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

You could potentially save up to 62% 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 20m

Direct flights

Tue, Thu, Fri, Sat and Sun

Airports in Idaho

27 airports
The fastest flight from Houston George Bush Intcntl Airport to Idaho takes 3h 20m
Direct flights go from Houston George Bush Intcntl Airport to Idaho on Tuesday, Thursday, Friday, 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 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?

  • 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.

  • What is the most popular plane model from Houston George Bush Intcntl Airport to Idaho?

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
United AirlinesPriceFrom $246Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
DeltaPriceFrom $246Free CancellationRating
7.9
8,007 reviews
Search Delta flights
American AirlinesPriceFrom $268Free CancellationRating
7.2
11,052 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $350Free CancellationRating
8.0
11,451 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.

An easier way to manage your Idaho 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 1/14
Wed 1/21
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Idaho

Popular cities in Idaho

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom $34
Flights to Los Angelesfrom $44
Flights to Miamifrom $49
Flights to Chicagofrom $50
Flights to Orlandofrom $48
Flights to San Franciscofrom $55
Flights to Las Vegasfrom $48
Flights to Washington, D.C.from $57
Flights to Bostonfrom $52
Flights to Atlantafrom $48
Flights to Dallasfrom $56
Flights to Seattlefrom $58