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Cheap flights from Idaho to Houston from $106

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 11/4. 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
12:24 pm - 12:55 amBOI  Boise Air Term. Gowen Fld-IAH Houston George Bush Intcntl
11h 31m1 stop Denver Intl
Frontier Logo
5:05 am - 1:55 pmIAH  Houston George Bush Intcntl-BOI Boise Air Term. Gowen Fld
9h 50m1 stop Las Vegas Harry Reid Intl
$190Frontier
Thu, Sep 3 - Fri, Sep 11
Frontier Logo
2:50 pm - 2:50 pmBOI  Boise Air Term. Gowen Fld-IAH Houston George Bush Intcntl
23h 00m1 stop Las Vegas Harry Reid Intl
Frontier Logo
5:20 am - 1:55 pmIAH  Houston George Bush Intcntl-BOI Boise Air Term. Gowen Fld
9h 35m1 stop Las Vegas Harry Reid Intl
$200Frontier
Thu, Sep 10 - Thu, Sep 17
American Airlines Logo
1:46 pm - 11:50 pmGEG  Spokane-IAH Houston George Bush Intcntl
8h 04m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
6:00 am - 12:01 pmIAH  Houston George Bush Intcntl-GEG Spokane
8h 01m1 stop Dallas/Fort Worth
$211American Airlines
Tue, Dec 1 - Sat, Dec 12
Delta Logo
6:22 am - 3:08 pmGEG  Spokane-IAH Houston George Bush Intcntl
6h 46m1 stop Los Angeles Los Angeles
Delta Logo
7:25 am - 12:07 pmIAH  Houston George Bush Intcntl-GEG Spokane
6h 42m1 stop Salt Lake City
$211Delta
Sat, Sep 19 - Tue, Sep 22
Delta Logo
6:45 am - 5:39 pmGEG  Spokane-IAH Houston George Bush Intcntl
8h 54m1 stop Minneapolis St Paul
Delta Logo
7:06 pm - 11:29 pmIAH  Houston George Bush Intcntl-GEG Spokane
6h 23m1 stop Salt Lake City
$211Delta
Tue, Sep 22 - Wed, Sep 30
Southwest Logo
1:40 pm - 10:05 pmGEG  Spokane-HOU Houston Hobby
6h 25m1 stop Phoenix Sky Harbor Intl
Southwest Logo
8:20 am - 1:00 pmHOU  Houston Hobby-GEG Spokane
6h 40m1 stop Sacramento Intl
$212Southwest
Sat, Sep 5 - Sat, Sep 12
Southwest Logo
5:10 pm - 5:50 amGEG  Spokane-HOU Houston Hobby
10h 40m1 stop Las Vegas Harry Reid Intl
Southwest Logo
6:00 am - 10:10 amHOU  Houston Hobby-GEG Spokane
6h 10m1 stop Denver Intl
$216Southwest
Mon, Sep 21 - Sat, Oct 3
American Airlines Logo
2:41 pm - 11:49 pmBOI  Boise Air Term. Gowen Fld-HOU Houston Hobby
8h 08m1 stop Dallas/Fort Worth
American Airlines Logo
6:00 am - 11:24 amHOU  Houston Hobby-BOI Boise Air Term. Gowen Fld
6h 24m1 stop Dallas/Fort Worth
$217American Airlines
Wed, Oct 7 - Sat, Oct 10
Multiple Airlines Logo
5:26 pm - 9:35 pmGEG  Spokane-IAH Houston George Bush Intcntl
26h 09m1 stop Phoenix-Mesa Gateway
Multiple Airlines Logo
10:30 pm - 5:23 pmIAH  Houston George Bush Intcntl-GEG Spokane
20h 53m1 stop Phoenix Sky Harbor Intl
$279Multiple Airlines
Mon, Nov 9 - Thu, Nov 12
Multiple Airlines Logo
5:26 pm - 9:35 pmGEG  Spokane-IAH Houston George Bush Intcntl
26h 09m1 stop Phoenix-Mesa Gateway
Multiple Airlines Logo
10:30 pm - 4:36 pmIAH  Houston George Bush Intcntl-GEG Spokane
20h 06m1 stop Phoenix Sky Harbor Intl
$295Multiple Airlines
Mon, Nov 9 - Sun, Nov 15

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American Airlines flights from Idaho to Houston

Our best American Airlines deals on Idaho to Houston flight tickets
American Airlines
Oct 7
BOI2:41 pmBoise Air Term. Gowen Fld
8h 08m
1 stop
HOU11:49 pmHouston Hobby
Oct 10
HOU6:00 amHouston Hobby
6h 24m
1 stop
BOI11:24 amBoise Air Term. Gowen Fld
$217
American Airlines
Sep 5
GEG5:40 amSpokane
7h 51m
1 stop
IAH3:31 pmHouston George Bush Intcntl
Sep 7
IAH6:00 amHouston George Bush Intcntl
7h 54m
1 stop
GEG11:54 amSpokane
$264
American Airlines
Sep 22
GEG6:00 amSpokane
7h 43m
1 stop
HOU3:43 pmHouston Hobby
Sep 30
HOU6:04 amHouston Hobby
7h 51m
1 stop
GEG11:55 amSpokane
$265

Southwest flights from Idaho to Houston

Our best Southwest deals on Idaho to Houston flight tickets
Southwest
Sep 5
GEG1:40 pmSpokane
6h 25m
1 stop
HOU10:05 pmHouston Hobby
Sep 12
HOU8:20 amHouston Hobby
6h 40m
1 stop
GEG1:00 pmSpokane
$212
Southwest
Sep 5
GEG6:15 amSpokane
8h 40m
2 stops
HOU4:55 pmHouston Hobby
Sep 12
HOU8:10 amHouston Hobby
7h 30m
1 stop
GEG1:40 pmSpokane
$216
Southwest
Sep 5
GEG6:15 amSpokane
8h 40m
2 stops
HOU4:55 pmHouston Hobby
Sep 12
HOU8:10 amHouston Hobby
7h 30m
1 stop
GEG1:40 pmSpokane
$217

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 August 11, 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 Boise Air Term. Gowen Fld - IAH Houston George Bush Intcntl

BOIIAH

Boise Air Term. Gowen Fld

Thu 9/3

12:24 pm-12:55 am

1 stop11h 31m

Houston George Bush Intcntl

Fri 9/11

5:05 am-1:55 pm

1 stop9h 50m

$190

BoiseHouston

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

BOIIAH

Boise Air Term. Gowen Fld

Thu 9/10

2:50 pm-2:50 pm

1 stop23h 00m

Houston George Bush Intcntl

Thu 9/17

5:20 am-1:55 pm

1 stop9h 35m

$200

SpokaneHouston

GEG Spokane - IAH Houston George Bush Intcntl

GEGIAH

Spokane

Tue 12/1

1:46 pm-11:50 pm

1 stop8h 04m

Houston George Bush Intcntl

Sat 12/12

6:00 am-12:01 pm

1 stop8h 01m

$211

SpokaneHouston

GEG Spokane - IAH Houston George Bush Intcntl

GEGIAH

Spokane

Sat 9/19

6:22 am-3:08 pm

1 stop6h 46m

Houston George Bush Intcntl

Tue 9/22

7:25 am-12:07 pm

1 stop6h 42m

$211

SpokaneHouston

GEG Spokane - IAH Houston George Bush Intcntl

GEGIAH

Spokane

Tue 9/22

6:45 am-5:39 pm

1 stop8h 54m

Houston George Bush Intcntl

Wed 9/30

7:06 pm-11:29 pm

1 stop6h 23m

$211
Quickest round-trip

SpokaneHouston

GEG Spokane - HOU Houston Hobby

GEGHOU

Spokane

Sat 9/5

1:40 pm-10:05 pm

1 stop6h 25m

Houston Hobby

Sat 9/12

8:20 am-1:00 pm

1 stop6h 40m

$212

SpokaneHouston

GEG Spokane - HOU Houston Hobby

GEGHOU

Spokane

Mon 9/21

5:10 pm-5:50 am

1 stop10h 40m

Houston Hobby

Sat 10/3

6:00 am-10:10 am

1 stop6h 10m

$216

BoiseHouston

BOI Boise Air Term. Gowen Fld - HOU Houston Hobby

BOIHOU

Boise Air Term. Gowen Fld

Wed 10/7

2:41 pm-11:49 pm

1 stop8h 08m

Houston Hobby

Sat 10/10

6:00 am-11:24 am

1 stop6h 24m

$217

SpokaneHouston

GEG Spokane - IAH Houston George Bush Intcntl

GEGIAH

Spokane

Mon 11/9

5:26 pm-9:35 pm

1 stop26h 09m

Houston George Bush Intcntl

Thu 11/12

10:30 pm-5:23 pm

1 stop20h 53m

$279

SpokaneHouston

GEG Spokane - IAH Houston George Bush Intcntl

GEGIAH

Spokane

Mon 11/9

5:26 pm-9:35 pm

1 stop26h 09m

Houston George Bush Intcntl

Sun 11/15

10:30 pm-4:36 pm

1 stop20h 06m

$295

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $350. The month of October is another great option to travel to Houston, with average flight prices from Idaho averaging around $351.

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 $419 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 $270 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

4h 04m

Direct flights

None
The fastest flight from Idaho to Houston takes 4h 04m
There are no direct flights from Idaho to Houston. There are no popular flight routes from Idaho to Houston.
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
FrontierPriceFrom $179Free CancellationRating
5.6
2,703 reviews
Search Frontier flights
American AirlinesPriceFrom $180Free CancellationRating
7.1
11,904 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $201Free CancellationRating
7.9
12,796 reviews
Search Alaska Airlines flights
DeltaPriceFrom $226Free CancellationRating
7.8
8,505 reviews
Search Delta flights
United AirlinesPriceFrom $268Free CancellationRating
7.4
10,104 reviews
Search United Airlines flights
SouthwestPriceFrom $327Free CancellationRating
8.0
4,220 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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