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Cheap flights from Idaho to Houston from $94

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 8/13. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Idaho to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
1:24 pm - 9:14 pm
BOI
-
IAH
6h 50m
1 stop
Frontier Logo
6:30 am - 12:29 pm
IAH
-
BOI
6h 59m
1 stop
$171Frontier
Thu, Aug 6 - Thu, Aug 13
Frontier Logo
1:24 pm - 12:55 am
BOI
-
IAH
10h 31m
1 stop
Frontier Logo
11:35 am - 11:29 am
IAH
-
BOI
24h 54m
1 stop
$172Frontier
Tue, Aug 18 - Wed, Aug 19
Delta Logo
6:22 am - 3:10 pm
GEG
-
IAH
6h 48m
1 stop
Delta Logo
7:25 am - 12:14 pm
IAH
-
GEG
6h 49m
1 stop
$205Delta
Sat, Sep 19 - Tue, Sep 22
Delta Logo
9:23 am - 11:49 pm
GEG
-
IAH
12h 26m
2 stops
Delta Logo
6:10 am - 12:58 pm
IAH
-
GEG
8h 48m
1 stop
$210Delta
Tue, Sep 22 - Wed, Sep 30
American Airlines Logo
5:00 am - 1:17 pm
GEG
-
IAH
6h 17m
1 stop
American Airlines Logo
7:00 am - 11:55 am
IAH
-
GEG
6h 55m
1 stop
$255American Airlines
Sat, Sep 19 - Wed, Sep 30
Alaska Airlines Logo
2:16 pm - 11:59 pm
BOI
-
IAH
8h 43m
1 stop
Alaska Airlines Logo
2:34 pm - 8:35 pm
IAH
-
BOI
7h 01m
1 stop
$259Alaska Airlines
Tue, Sep 15 - Wed, Sep 16
American Airlines Logo
6:30 am - 7:13 pm
GEG
-
IAH
10h 43m
2 stops
American Airlines Logo
6:00 am - 11:55 am
IAH
-
GEG
7h 55m
1 stop
$260American Airlines
Sat, Sep 19 - Tue, Sep 22
Multiple Airlines Logo
11:46 am - 2:05 pm
IDA
-
IAH
25h 19m
1 stop
Multiple Airlines Logo
10:04 pm - 10:56 am
IAH
-
IDA
37h 52m
2 stops
$291Multiple Airlines
Wed, Sep 2 - Mon, Sep 7
Multiple Airlines Logo
5:33 pm - 12:58 pm
IDA
-
IAH
18h 25m
1 stop
Multiple Airlines Logo
6:30 am - 8:54 am
IAH
-
IDA
27h 24m
2 stops
$292Multiple Airlines
Fri, Aug 21 - Thu, Sep 3
Alaska Airlines Logo
2:10 pm - 1:31 pm
JAC
-
IAH
22h 21m
1 stop
Alaska Airlines Logo
7:02 am - 11:22 am
IAH
-
JAC
29h 20m
1 stop
$509Alaska Airlines
Sat, Sep 26 - Wed, Sep 30

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Delta flights from Idaho to Houston George Bush Intcntl Airport

Our best Delta deals on Idaho to Houston George Bush Intcntl Airport flight tickets
Delta
Sep 22
GEG6:22 amSpokane
6h 48m
1 stop
IAH3:10 pmHouston George Bush Intcntl
Sep 29
IAH7:06 pmHouston George Bush Intcntl
6h 51m
1 stop
GEG11:57 pmSpokane
$205
Delta
Sep 22
GEG9:53 amSpokane
6h 13m
1 stop
IAH6:06 pmHouston George Bush Intcntl
Sep 29
IAH7:00 amHouston George Bush Intcntl
13h 50m
2 stops
GEG6:50 pmSpokane
$210
Delta
Sep 17
BOI5:30 amBoise Air Term. Gowen Fld
6h 30m
1 stop
IAH1:00 pmHouston George Bush Intcntl
Sep 21
IAH5:46 pmHouston George Bush Intcntl
7h 13m
1 stop
BOI11:59 pmBoise Air Term. Gowen Fld
$211

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
Aug 8
BOI5:46 pmBoise Air Term. Gowen Fld
5h 13m
1 stop
IAH11:59 pmHouston George Bush Intcntl
Aug 15
IAH8:20 amHouston George Bush Intcntl
8h 11m
1 stop
BOI3:31 pmBoise Air Term. Gowen Fld
$281
United Airlines
Sep 2
IDA2:25 pmIdaho Falls Fanning Field
6h 16m
1 stop
IAH9:41 pmHouston George Bush Intcntl
Sep 7
IAH8:30 amHouston George Bush Intcntl
5h 59m
1 stop
IDA1:29 pmIdaho Falls Fanning Field
$320
United Airlines
Aug 8
BOI5:46 pmBoise Air Term. Gowen Fld
5h 13m
1 stop
IAH11:59 pmHouston George Bush Intcntl
Aug 9
IAH5:15 amHouston George Bush Intcntl
5h 38m
1 stop
BOI9:53 amBoise Air Term. Gowen Fld
$346

momondo Fare Finder

 
Customize your flight search to find flights from Idaho to Houston George Bush Intcntl Airport 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 July 13, 2026.
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 - IAH

BOIIAH

Boise Air Term. Gowen Fld

Thu 8/6

1:24 pm-9:14 pm

1 stop6h 50m

Houston George Bush Intcntl

Thu 8/13

6:30 am-12:29 pm

1 stop6h 59m

$171

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Tue 8/18

1:24 pm-12:55 am

1 stop10h 31m

Houston George Bush Intcntl

Wed 8/19

11:35 am-11:29 am

1 stop24h 54m

$172

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Sat 9/19

6:22 am-3:10 pm

1 stop6h 48m

Houston George Bush Intcntl

Tue 9/22

7:25 am-12:14 pm

1 stop6h 49m

$205

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Tue 9/22

9:23 am-11:49 pm

2 stops12h 26m

Houston George Bush Intcntl

Wed 9/30

6:10 am-12:58 pm

1 stop8h 48m

$210
Quickest round-trip

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Sat 9/19

5:00 am-1:17 pm

1 stop6h 17m

Houston George Bush Intcntl

Wed 9/30

7:00 am-11:55 am

1 stop6h 55m

$255

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Tue 9/15

2:16 pm-11:59 pm

1 stop8h 43m

Houston George Bush Intcntl

Wed 9/16

2:34 pm-8:35 pm

1 stop7h 01m

$259

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Sat 9/19

6:30 am-7:13 pm

2 stops10h 43m

Houston George Bush Intcntl

Tue 9/22

6:00 am-11:55 am

1 stop7h 55m

$260

Idaho FallsHouston

IDA - IAH

IDAIAH

Idaho Falls Fanning Field

Wed 9/2

11:46 am-2:05 pm

1 stop25h 19m

Houston George Bush Intcntl

Mon 9/7

10:04 pm-10:56 am

2 stops37h 52m

$291

Idaho FallsHouston

IDA - IAH

IDAIAH

Idaho Falls Fanning Field

Fri 8/21

5:33 pm-12:58 pm

1 stop18h 25m

Houston George Bush Intcntl

Thu 9/3

6:30 am-8:54 am

2 stops27h 24m

$292

JacksonHouston

JAC - IAH

JACIAH

Jackson Hole

Sat 9/26

2:10 pm-1:31 pm

1 stop22h 21m

Houston George Bush Intcntl

Wed 9/30

7:02 am-11:22 am

1 stop29h 20m

$509

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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

The month of August is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Idaho, with most prices found around $158. If you are unable to visit Houston George Bush Intcntl Airport during the month of August, then departing from Idaho during the month April is also very affordable. Most momondo users find prices during this month for around $169.

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

You could potentially save up to 65% 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

Fastest flight time

3h 17m

Direct flights

Mon and Sun
The fastest flight from Idaho to Houston George Bush Intcntl Airport takes 3h 17m
Direct flights go from Idaho to Houston George Bush Intcntl Airport on Monday and Sunday. 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?

  • 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
American AirlinesPriceFrom $191Free CancellationRating
7.1
11,813 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $215Free CancellationRating
7.9
12,655 reviews
Search Alaska Airlines flights
DeltaPriceFrom $226Free CancellationRating
7.8
8,459 reviews
Search Delta flights
United AirlinesPriceFrom $269Free CancellationRating
7.4
9,982 reviews
Search United Airlines flights

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Katy
The Woodlands
Humble
Conroe
Spring
Cypress
Montgomery
Jersey Village
Tomball
Livingston

Why use momondo?

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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