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Cheap flights from Idaho to Houston from $115

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 10/13. 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
1:04 pm - 12:44 am
BOI
-
IAH
10h 40m
1 stop
Frontier Logo
5:34 pm - 12:09 pm
IAH
-
BOI
19h 35m
1 stop
$200Frontier
Tue, Aug 25 - Wed, Aug 26
Southwest Logo
4:20 pm - 12:05 am
GEG
-
HOU
5h 45m
1 stop
Southwest Logo
6:10 pm - 10:55 pm
HOU
-
GEG
6h 45m
1 stop
$221Southwest
Thu, Aug 13 - Wed, Aug 19
Delta Logo
12:38 pm - 10:35 pm
GEG
-
HOU
7h 57m
1 stop
Delta Logo
6:00 am - 11:28 am
HOU
-
GEG
7h 28m
1 stop
$229Delta
Tue, Sep 22 - Wed, Sep 30
Delta Logo
5:40 am - 1:29 pm
GEG
-
IAH
5h 49m
1 stop
Delta Logo
7:00 pm - 11:57 pm
IAH
-
GEG
6h 57m
1 stop
$229Delta
Tue, Sep 22 - Wed, Sep 30
Alaska Airlines Logo
6:23 am - 5:13 pm
BOI
-
IAH
9h 50m
1 stop
Alaska Airlines Logo
2:34 pm - 11:44 pm
IAH
-
BOI
10h 10m
1 stop
$251Alaska Airlines
Tue, Aug 25 - Wed, Aug 26
Alaska Airlines Logo
5:12 am - 1:31 pm
GEG
-
IAH
6h 19m
1 stop
Alaska Airlines Logo
6:16 pm - 11:11 pm
IAH
-
GEG
6h 55m
1 stop
$273Alaska Airlines
Thu, Aug 27 - Sat, Aug 29
American Airlines Logo
6:00 am - 3:43 pm
GEG
-
HOU
7h 43m
1 stop
American Airlines Logo
6:04 am - 11:55 am
HOU
-
GEG
7h 51m
1 stop
$299American Airlines
Tue, Sep 22 - Tue, Sep 29
American Airlines Logo
6:30 am - 5:54 pm
GEG
-
HOU
9h 24m
2 stops
American Airlines Logo
6:04 am - 11:55 am
HOU
-
GEG
7h 51m
1 stop
$304American Airlines
Sat, Sep 19 - Wed, Sep 30
United Airlines Logo
2:30 pm - 9:36 pm
IDA
-
IAH
6h 06m
1 stop
United Airlines Logo
5:15 am - 9:50 am
IAH
-
IDA
5h 35m
1 stop
$360United Airlines
Sat, Jul 11 - Wed, Jul 29
United Airlines Logo
2:30 pm - 8:55 pm
IDA
-
IAH
5h 25m
1 stop
United Airlines Logo
5:15 am - 9:50 am
IAH
-
IDA
5h 35m
1 stop
$399United Airlines
Thu, Jun 25 - Sun, Jun 28

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Southwest flights from Idaho to Houston

Our best Southwest deals on Idaho to Houston flight tickets
Southwest
Aug 13
GEG4:20 pmSpokane
5h 45m
1 stop
HOU12:05 amHouston Hobby
Aug 19
HOU6:10 pmHouston Hobby
6h 45m
1 stop
GEG10:55 pmSpokane
$221
Southwest
Aug 13
GEG4:20 pmSpokane
5h 45m
1 stop
HOU12:05 amHouston Hobby
Aug 19
HOU4:30 pmHouston Hobby
8h 25m
2 stops
GEG10:55 pmSpokane
$227
Southwest
Aug 13
GEG6:30 amSpokane
8h 40m
2 stops
HOU5:10 pmHouston Hobby
Aug 19
HOU3:30 pmHouston Hobby
9h 25m
2 stops
GEG10:55 pmSpokane
$236

American Airlines flights from Idaho to Houston

Our best American Airlines deals on Idaho to Houston flight tickets
American Airlines
Sep 19
GEG6:30 amSpokane
9h 24m
2 stops
HOU5:54 pmHouston Hobby
Sep 30
HOU6:04 amHouston Hobby
7h 51m
1 stop
GEG11:55 amSpokane
$304
American Airlines
Oct 24
BOI12:10 pmBoise Air Term. Gowen Fld
6h 41m
1 stop
HOU7:51 pmHouston Hobby
Oct 31
HOU6:00 amHouston Hobby
6h 26m
1 stop
BOI11:26 amBoise Air Term. Gowen Fld
$319
American Airlines
Jul 10
GEG6:30 amSpokane
9h 38m
2 stops
IAH6:08 pmHouston George Bush Intcntl
Jul 13
IAH5:39 pmHouston George Bush Intcntl
7h 27m
1 stop
GEG11:06 pmSpokane
$329

momondo Fare Finder

 
Customize your flight search to find flights from Idaho to Houston 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 June 13, 2026.
Use the filters below to find and compare flights from Idaho to Houston 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

Tue 8/25

1:04 pm-12:44 am

1 stop10h 40m

Houston George Bush Intcntl

Wed 8/26

5:34 pm-12:09 pm

1 stop19h 35m

$200

SpokaneHouston

GEG - HOU

GEGHOU

Spokane

Thu 8/13

4:20 pm-12:05 am

1 stop5h 45m

Houston Hobby

Wed 8/19

6:10 pm-10:55 pm

1 stop6h 45m

$221

SpokaneHouston

GEG - HOU

GEGHOU

Spokane

Tue 9/22

12:38 pm-10:35 pm

1 stop7h 57m

Houston Hobby

Wed 9/30

6:00 am-11:28 am

1 stop7h 28m

$229

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Tue 9/22

5:40 am-1:29 pm

1 stop5h 49m

Houston George Bush Intcntl

Wed 9/30

7:00 pm-11:57 pm

1 stop6h 57m

$229

BoiseHouston

BOI - IAH

BOIIAH

Boise Air Term. Gowen Fld

Tue 8/25

6:23 am-5:13 pm

1 stop9h 50m

Houston George Bush Intcntl

Wed 8/26

2:34 pm-11:44 pm

1 stop10h 10m

$251

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Thu 8/27

5:12 am-1:31 pm

1 stop6h 19m

Houston George Bush Intcntl

Sat 8/29

6:16 pm-11:11 pm

1 stop6h 55m

$273

SpokaneHouston

GEG - HOU

GEGHOU

Spokane

Tue 9/22

6:00 am-3:43 pm

1 stop7h 43m

Houston Hobby

Tue 9/29

6:04 am-11:55 am

1 stop7h 51m

$299

SpokaneHouston

GEG - HOU

GEGHOU

Spokane

Sat 9/19

6:30 am-5:54 pm

2 stops9h 24m

Houston Hobby

Wed 9/30

6:04 am-11:55 am

1 stop7h 51m

$304

Idaho FallsHouston

IDA - IAH

IDAIAH

Idaho Falls Fanning Field

Sat 7/11

2:30 pm-9:36 pm

1 stop6h 06m

Houston George Bush Intcntl

Wed 7/29

5:15 am-9:50 am

1 stop5h 35m

$360
Quickest round-trip

Idaho FallsHouston

IDA - IAH

IDAIAH

Idaho Falls Fanning Field

Thu 6/25

2:30 pm-8:55 pm

1 stop5h 25m

Houston George Bush Intcntl

Sun 6/28

5:15 am-9:50 am

1 stop5h 35m

$399

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

See travel insights to Houston from

How to get the cheapest flight ticket from Idaho to Houston

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?

The month of September is, on average, the cheapest month to fly to Houston from Idaho, with most prices found around $74. The month of April is another great option to travel to Houston, with average flight prices from Idaho averaging around $154.

How far in advance should I book a flight from Idaho to Houston?

You are more likely to see cheaper flights to Houston from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $395 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from Idaho for as low as $272 on momondo.

Cheap Idaho to Houston flight deals and tips

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

Fastest flight time

3h 17m

Direct flights

Mon and Sun

Airports in Houston

2 airports
The fastest flight from Idaho to Houston takes 3h 17m
Direct flights go from Idaho to Houston on Monday and Sunday. There are no airlines offering direct flights.
There are 2 airports in Houston. From Idaho there are direct flights to Houston George Bush Intcntl (IAH).
Search flight deals

Frequently asked questions about flying from Idaho to Houston

  • When did momondo last update prices for flights from Idaho to Houston?

    Prices for flights from Idaho to Houston are updated daily.

  • How many operators does momondo search for flights from Idaho to Houston?

  • How old do you have to be to fly from Idaho to Houston?

    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 Idaho to Houston.

  • What documentation or ID do you need to fly to Houston?

    The travel and health documents required for your trip to Houston can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Houston. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Idaho to Houston

Compare and see reviews for airlines that fly from Idaho to Houston with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $154Free CancellationRating
7.9
8,405 reviews
Search Delta flights
American AirlinesPriceFrom $180Free CancellationRating
7.1
11,648 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $206Free CancellationRating
7.9
12,503 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $253Free CancellationRating
7.4
9,815 reviews
Search United Airlines flights
SouthwestPriceFrom $264Free CancellationRating
7.9
4,235 reviews
Search Southwest flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Idaho to Houston. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Houston from Idaho with this policy.

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

Once all potential Idaho to Houston 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 Idaho to Houston right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Idaho to Houston flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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