How many flights depart from Houston to Idaho on average per week?

As of August 2026, 2 flights take off from Houston and land in Idaho each week. The most common flight departure day for this route is Tue, with 50% of weekly flights taking off on this day.

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

Frontier, Alaska Airlines, and Delta are the most popular carriers operating from Houston to Idaho

What airlines fly to Idaho?

United Airlines, Delta and Southwest are the top three most popular airlines that fly to Idaho from Houston according to our data. United Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 6 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Houston to Idaho are updated daily.

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

As of August 2026, there are 6 operators available to choose from for flights from Houston to Idaho.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Houston to Idaho.

What documentation or ID do you need to fly to Idaho?

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

$97 Cheap Flights from Houston to Idaho in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Houston to Idaho

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:41 pm - 1:55 pmIAH Houston George Bush Intcntl-BOI Boise Air Term. Gowen Fld

24h 14m1 stop Las Vegas Harry Reid Intl

2:50 pm - 6:00 amBOI Boise Air Term. Gowen Fld-IAH Houston George Bush Intcntl

14h 10m1 stop Las Vegas Harry Reid Intl

$156Frontier

Wed, Oct 14 - Mon, Oct 19

2:41 pm - 1:55 pmIAH Houston George Bush Intcntl-BOI Boise Air Term. Gowen Fld

24h 14m1 stop Las Vegas Harry Reid Intl

2:50 pm - 6:00 amBOI Boise Air Term. Gowen Fld-IAH Houston George Bush Intcntl

14h 10m1 stop Las Vegas Harry Reid Intl

$179Frontier

Wed, Oct 14 - Mon, Oct 19

5:05 am - 11:50 amIAH Houston George Bush Intcntl-IDA Idaho Falls Fanning Field

7h 45m1 stop Las Vegas Harry Reid Intl

6:21 pm - 6:25 pmIDA Idaho Falls Fanning Field-IAH Houston George Bush Intcntl

23h 04m1 stop Las Vegas Harry Reid Intl

$290Multiple Airlines

Fri, Sep 11 - Mon, Sep 14

2:34 pm - 8:35 pmIAH Houston George Bush Intcntl-BOI Boise Air Term. Gowen Fld

7h 01m1 stop Seattle/Tacoma Intl

1:15 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-IAH Houston George Bush Intcntl

9h 44m1 stop Seattle/Tacoma Intl

$296Alaska Airlines

Wed, Sep 16 - Wed, Sep 23

8:05 am - 3:35 pmHOU Houston Hobby-GEG Spokane

9h 30m1 stop San Jose

4:20 pm - 12:10 amGEG Spokane-HOU Houston Hobby

5h 50m1 stop Phoenix Sky Harbor Intl

$314Southwest

Fri, Sep 11 - Fri, Sep 18

8:05 am - 3:35 pmHOU Houston Hobby-GEG Spokane

9h 30m1 stop San Jose

4:20 pm - 12:10 amGEG Spokane-HOU Houston Hobby

5h 50m1 stop Phoenix Sky Harbor Intl

$314Southwest

Thu, Sep 10 - Fri, Sep 18

5:46 pm - 10:56 pmIAH Houston George Bush Intcntl-GEG Spokane

7h 10m1 stop Minneapolis St Paul

10:45 pm - 9:13 amGEG Spokane-IAH Houston George Bush Intcntl

8h 28m1 stop Atlanta Hartsfield-Jackson

$319Delta

Mon, Sep 14 - Fri, Sep 18

3:58 pm - 11:59 pmIAH Houston George Bush Intcntl-GEG Spokane

10h 01m1 stop Los Angeles Los Angeles

10:50 pm - 8:35 amGEG Spokane-IAH Houston George Bush Intcntl

7h 45m1 stop Atlanta Hartsfield-Jackson

$319Delta

Thu, Oct 15 - Sun, Oct 18

6:17 pm - 10:53 pmIAH Houston George Bush Intcntl-GEG Spokane

6h 36m1 stop Portland

5:07 am - 1:52 pmGEG Spokane-IAH Houston George Bush Intcntl

6h 45m1 stop Portland

$319Alaska Airlines

Sat, Oct 17 - Tue, Oct 20

5:40 am - 10:05 pmHOU Houston Hobby-BOI Boise Air Term. Gowen Fld

17h 25m1 stop Las Vegas Harry Reid Intl

3:20 pm - 11:25 pmBOI Boise Air Term. Gowen Fld-HOU Houston Hobby

7h 05m1 stop Denver Intl

$328JetBlue

Sat, Sep 26 - Tue, Oct 13

Cheap last minute flights

Enter your travel dates to find the best prices.

6:30 am - 12:29 pmIAH Houston George Bush Intcntl-BOI Boise Air Term. Gowen Fld

6h 59m1 stop Denver Intl

1:24 pm - 12:55 amBOI Boise Air Term. Gowen Fld-IAH Houston George Bush Intcntl

10h 31m1 stop Denver Intl

$294Frontier

Tue, Aug 25 - Tue, Sep 1

6:30 am - 12:29 pmIAH Houston George Bush Intcntl-BOI Boise Air Term. Gowen Fld

6h 59m1 stop Denver Intl

12:24 pm - 12:40 amBOI Boise Air Term. Gowen Fld-IAH Houston George Bush Intcntl

11h 16m1 stop Denver Intl

$303Frontier

Tue, Aug 25 - Sun, Aug 30

8:15 am - 2:09 pmIAH Houston George Bush Intcntl-GEG Spokane

7h 54m1 stop Phoenix Sky Harbor Intl

5:40 am - 1:19 pmGEG Spokane-IAH Houston George Bush Intcntl

5h 39m1 stop Dallas/Fort Worth

$412American Airlines

Tue, Aug 25 - Sun, Aug 30

5:41 am - 11:54 amHOU Houston Hobby-GEG Spokane

8h 13m1 stop Dallas/Fort Worth

5:40 am - 3:26 pmGEG Spokane-HOU Houston Hobby

7h 46m1 stop Dallas/Fort Worth

$412American Airlines

Tue, Aug 25 - Sun, Aug 30

5:41 am - 12:49 pmIAH Houston George Bush Intcntl-BOI Boise Air Term. Gowen Fld

8h 08m1 stop Atlanta Hartsfield-Jackson

7:00 am - 3:14 pmBOI Boise Air Term. Gowen Fld-IAH Houston George Bush Intcntl

7h 14m1 stop Los Angeles Los Angeles

$431Delta

Tue, Aug 25 - Sat, Aug 29

6:00 am - 12:49 pmHOU Houston Hobby-BOI Boise Air Term. Gowen Fld

7h 49m1 stop Atlanta Hartsfield-Jackson

1:59 pm - 10:05 pmBOI Boise Air Term. Gowen Fld-HOU Houston Hobby

7h 06m1 stop Atlanta Hartsfield-Jackson

$431Delta

Tue, Aug 25 - Wed, Sep 2

7:02 am - 3:31 pmIAH Houston George Bush Intcntl-BOI Boise Air Term. Gowen Fld

9h 29m1 stop Seattle/Tacoma Intl

6:00 am - 1:31 pmBOI Boise Air Term. Gowen Fld-IAH Houston George Bush Intcntl

6h 31m1 stop Portland

$431Alaska Airlines

Tue, Aug 25 - Wed, Sep 2

8:20 am - 1:00 pmHOU Houston Hobby-GEG Spokane

6h 40m1 stop Sacramento Intl

7:30 am - 5:40 pmGEG Spokane-HOU Houston Hobby

8h 10m1 stop Phoenix Sky Harbor Intl

$437Southwest

Sat, Aug 22 - Tue, Aug 25

6:16 pm - 11:55 pmIAH Houston George Bush Intcntl-BOI Boise Air Term. Gowen Fld

6h 39m1 stop Portland

1:15 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-IAH Houston George Bush Intcntl

9h 44m1 stop Seattle/Tacoma Intl

$445Alaska Airlines

Tue, Aug 25 - Mon, Aug 31

4:30 pm - 10:55 pmHOU Houston Hobby-GEG Spokane

8h 25m2 stops Dallas Love Field Phoenix Sky Harbor Intl

7:05 am - 5:45 pmGEG Spokane-HOU Houston Hobby

8h 40m2 stops Phoenix Sky Harbor Intl Tulsa

$498Southwest

Tue, Aug 25 - Sun, Aug 30

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Alaska Airlines flights from Houston to Idaho

Our best Alaska Airlines deals on Houston to Idaho flight tickets

Alaska Airlines

Sep 15

IAH2:34 pmHouston George Bush Intcntl

9h 22m

1 stop

IDA10:56 pmIdaho Falls Fanning Field

Sep 22

IDA3:57 pmIdaho Falls Fanning Field

20h 34m

1 stop

IAH1:31 pmHouston George Bush Intcntl

$321

Alaska Airlines

Oct 13

IAH6:02 amHouston George Bush Intcntl

7h 33m

1 stop

BOI12:35 pmBoise Air Term. Gowen Fld

Oct 17

BOI1:32 pmBoise Air Term. Gowen Fld

23h 20m

1 stop

IAH1:52 pmHouston George Bush Intcntl

$329

Alaska Airlines

Aug 29

IAH6:16 pmHouston George Bush Intcntl

6h 39m

1 stop

BOI11:55 pmBoise Air Term. Gowen Fld

Sep 1

BOI1:15 pmBoise Air Term. Gowen Fld

9h 44m

1 stop

IAH11:59 pmHouston George Bush Intcntl

$339

Frontier flights from Houston to Idaho

Our best Frontier deals on Houston to Idaho flight tickets

Frontier

Oct 14

IAH2:41 pmHouston George Bush Intcntl

24h 14m

1 stop

BOI1:55 pmBoise Air Term. Gowen Fld

Oct 19

BOI2:50 pmBoise Air Term. Gowen Fld

14h 10m

1 stop

IAH6:00 amHouston George Bush Intcntl

$156

Frontier

Oct 14

IAH2:41 pmHouston George Bush Intcntl

24h 14m

1 stop

BOI1:55 pmBoise Air Term. Gowen Fld

Oct 19

BOI2:50 pmBoise Air Term. Gowen Fld

14h 10m

1 stop

IAH6:00 amHouston George Bush Intcntl

$179

Frontier

Sep 23

IAH5:41 pmHouston George Bush Intcntl

21h 14m

2 stops

BOI1:55 pmBoise Air Term. Gowen Fld

Sep 28

BOI2:50 pmBoise Air Term. Gowen Fld

26h 35m

1 stop

IAH6:25 pmHouston George Bush Intcntl

$193

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonBoise

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

IAHBOI

Houston George Bush Intcntl

Wed 10/14

2:41 pm-1:55 pm

1 stop24h 14m

Boise Air Term. Gowen Fld

Mon 10/19

2:50 pm-6:00 am

1 stop14h 10m

$156

HoustonBoise

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

IAHBOI

Houston George Bush Intcntl

Wed 10/14

2:41 pm-1:55 pm

1 stop24h 14m

Boise Air Term. Gowen Fld

Mon 10/19

2:50 pm-6:00 am

1 stop14h 10m

$179

HoustonIdaho Falls

IAH Houston George Bush Intcntl - IDA Idaho Falls Fanning Field

IAHIDA

Houston George Bush Intcntl

Fri 9/11

5:05 am-11:50 am

1 stop7h 45m

Idaho Falls Fanning Field

Mon 9/14

6:21 pm-6:25 pm

1 stop23h 04m

$290

HoustonBoise

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

IAHBOI

Houston George Bush Intcntl

Wed 9/16

2:34 pm-8:35 pm

1 stop7h 01m

Boise Air Term. Gowen Fld

Wed 9/23

1:15 pm-11:59 pm

1 stop9h 44m

$296

HoustonSpokane

HOU Houston Hobby - GEG Spokane

HOUGEG

Houston Hobby

Fri 9/11

8:05 am-3:35 pm

1 stop9h 30m

Spokane

Fri 9/18

4:20 pm-12:10 am

1 stop5h 50m

$314

HoustonSpokane

HOU Houston Hobby - GEG Spokane

HOUGEG

Houston Hobby

Thu 9/10

8:05 am-3:35 pm

1 stop9h 30m

Spokane

Fri 9/18

4:20 pm-12:10 am

1 stop5h 50m

$314

HoustonSpokane

IAH Houston George Bush Intcntl - GEG Spokane

IAHGEG

Houston George Bush Intcntl

Mon 9/14

5:46 pm-10:56 pm

1 stop7h 10m

Spokane

Fri 9/18

10:45 pm-9:13 am

1 stop8h 28m

$319

HoustonSpokane

IAH Houston George Bush Intcntl - GEG Spokane

IAHGEG

Houston George Bush Intcntl

Thu 10/15

3:58 pm-11:59 pm

1 stop10h 01m

Spokane

Sun 10/18

10:50 pm-8:35 am

1 stop7h 45m

$319

Quickest round-trip

HoustonSpokane

IAH Houston George Bush Intcntl - GEG Spokane

IAHGEG

Houston George Bush Intcntl

Sat 10/17

6:17 pm-10:53 pm

1 stop6h 36m

Spokane

Tue 10/20

5:07 am-1:52 pm

1 stop6h 45m

$319

HoustonBoise

HOU Houston Hobby - BOI Boise Air Term. Gowen Fld

HOUBOI

Houston Hobby

Sat 9/26

5:40 am-10:05 pm

1 stop17h 25m

Boise Air Term. Gowen Fld

Tue 10/13

3:20 pm-11:25 pm

1 stop7h 05m

$328

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 Houston 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

Prices

Airlines

Other information

What is the cheapest month to fly to Idaho?

In general, January is the cheapest month to fly from Houston to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $288. If you don’t want to visit Idaho in January, then you should wait until February to fly from Houston, when ticket prices are also cheap, with an average price of $348.

Cheap Houston to Idaho flight deals and tips

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

Best Price Found	$97
Fastest flight time	3h 34m
Direct flights	Wed, Fri, Sat and Sun
Airports in Idaho	27 airports

The best one-way flight to Idaho from Houston in the past 72 hours is $97. The best round-trip flight deal from Houston to Idaho found on momondo in the last 72 hours is $156.

The fastest flight from Houston to Idaho takes 3h 34m

Direct flights go from Houston to Idaho on Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

There are 27 airports in Idaho. From Houston there are direct flights to Jackson Hole (JAC).

Search flight deals

Frequently asked questions about flying from Houston to Idaho

When did momondo last update prices for flights from Houston to Idaho?
Prices for flights from Houston to Idaho are updated daily.
How many operators does momondo search for flights from Houston to Idaho?
As of August 2026, there are 6 operators available to choose from for flights from Houston to Idaho.
How old do you have to be to fly from Houston to Idaho?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Houston to Idaho.
What documentation or ID do you need to fly to Idaho?
The required travel and health documents for your Idaho 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 Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Houston to Idaho

Compare and see reviews for airlines that fly from Houston to Idaho with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $77	Free Cancellation	Rating 5.6 2,661 reviews	Search Frontier flights
Delta	PriceFrom $145	Free Cancellation	Rating 7.8 8,510 reviews	Search Delta flights
United Airlines	PriceFrom $246	Free Cancellation	Rating 7.4 10,103 reviews	Search United Airlines flights
Southwest	PriceFrom $275	Free Cancellation	Rating 8.0 4,215 reviews	Search Southwest flights
American Airlines	PriceFrom $279	Free Cancellation	Rating 7.1 11,978 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $347	Free Cancellation	Rating 7.9 12,823 reviews	Search Alaska Airlines flights

Why use momondo?

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

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

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?

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

Price alerts on flights to Idaho from Houston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.