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$126+ Cheap flights from Galveston, TX to Idaho

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — BOI
Oct 19 — Oct 261
Sun 10/19
Sun 10/26
1 adult, Economy
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Cheap flight deals from Galveston to Idaho

Keep the following information in mind while searching for Galveston to Idaho flight deals. Data was last updated September 19, 2025.

Round-trip from

$251
(Southwest)

One-way from

$126
(Southwest)

Popular in

January

Cheapest in

August

Average price

$359
From Galveston to Idaho
Search Deals
One-way flight from Galveston to Idaho
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Galveston to Idaho

Cheapest flights from Galveston to Idaho
Explore the most affordable flight options available from Galveston to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2025.

This Southwest deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/159:15 amHOU - BOI
1 stop7h 20mSouthwest
Wed 10/223:15 pmBOI - HOU
1 stop7h 10mSouthwest
Deal found 9/17$251
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/204:41 pmHOU - BOI
1 stop6h 43mAmerican Airlines
Tue 10/211:33 pmBOI - HOU
1 stop7h 41mAmerican Airlines
Deal found 9/16$290
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:00 amHOU - GEG
1 stop7h 41mDelta
Thu 10/3012:51 pmGEG - HOU
1 stop8h 09mDelta
Deal found 9/18$297
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:00 amHOU - JAC
2 stops13h 15mDelta
Wed 11/56:55 pmJAC - HOU
2 stops13h 23mDelta
Deal found 9/16$299
This Southwest deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/293:00 pmHOU - GEG
2 stops9h 25mSouthwest
Thu 10/304:25 pmGEG - HOU
1 stop5h 45mSouthwest
Deal found 9/18$302
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/165:35 amHOU - BOI
1 stop5h 10mSouthwest
Mon 10/205:30 amBOI - HOU
1 stop7h 30mSouthwest
Deal found 9/16$309
This Southwest deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:55 pmHOU - BOI
1 stop5h 45mSouthwest
Wed 10/224:40 pmBOI - HOU
1 stop5h 35mSouthwest
Deal found 9/17$311
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/144:41 pmHOU - BOI
1 stop6h 41mAmerican Airlines
Tue 10/211:33 pmBOI - HOU
1 stop7h 41mAmerican Airlines
Deal found 9/15$315
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/205:25 pmHOU - BOI
1 stop8h 15mSouthwest
Tue 10/213:15 pmBOI - HOU
2 stops8h 00mSouthwest
Deal found 9/16$316
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/56:00 amHOU - JAC
1 stop7h 16mAmerican Airlines
Wed 11/121:11 pmJAC - HOU
1 stop18h 24mAmerican Airlines
Deal found 9/18$340
This Southwest deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/46:05 amHOU - BOI
1 stop5h 50mSouthwest
Sat 10/116:45 amBOI - HOU
1 stop7h 50mSouthwest
Deal found 9/17$344
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/31:13 pmHOU - BOI
1 stop10h 10mDelta
Tue 10/71:39 pmBOI - HOU
1 stop8h 21mDelta
Deal found 9/18$354

Cheapflights Fare Finder

 
Customize your flight search to find flights from Galveston 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, Cheapflights users made 2,558,603 searches. Data last updated September 19, 2025.
Use the filters below to find and compare flights from Galveston to Idaho that are best for you.

Fly from

Galveston

Fly to

Idaho

Route

Depart

Return

Price

HoustonBoise

HOU - BOI

HOUBOI

Houston Hobby

Wed 10/15

9:15 am-3:35 pm

1 stop7h 20m

Boise Air Term. Gowen Fld

Wed 10/22

3:15 pm-11:25 pm

1 stop7h 10m

$251

HoustonBoise

HOU - BOI

HOUBOI

Houston Hobby

Tue 10/21

1:25 pm-6:45 pm

1 stop6h 20m

Boise Air Term. Gowen Fld

Wed 10/22

4:40 pm-11:15 pm

1 stop5h 35m

$251

HoustonSpokane

HOU - GEG

HOUGEG

Houston Hobby

Wed 10/29

6:00 am-11:41 am

1 stop7h 41m

Spokane

Thu 10/30

12:51 pm-11:00 pm

1 stop8h 09m

$297

HoustonJackson

HOU - JAC

HOUJAC

Houston Hobby

Sat 10/25

6:00 am-6:15 pm

2 stops13h 15m

Jackson Hole

Wed 11/5

6:55 pm-9:18 am

2 stops13h 23m

$299

HoustonSpokane

HOU - GEG

HOUGEG

Houston Hobby

Wed 10/29

3:00 pm-10:25 pm

2 stops9h 25m

Spokane

Thu 10/30

4:25 pm-12:10 am

1 stop5h 45m

$302

HoustonBoise

HOU - BOI

HOUBOI

Houston Hobby

Mon 10/20

4:41 pm-10:24 pm

1 stop6h 43m

Boise Air Term. Gowen Fld

Wed 10/22

1:35 pm-10:14 pm

1 stop7h 39m

$309

HoustonBoise

HOU - BOI

HOUBOI

Houston Hobby

Thu 10/16

5:35 am-9:45 am

1 stop5h 10m

Boise Air Term. Gowen Fld

Mon 10/20

5:30 am-2:00 pm

1 stop7h 30m

$309

HoustonBoise

HOU - BOI

HOUBOI

Houston Hobby

Mon 10/20

7:55 pm-12:40 am

1 stop5h 45m

Boise Air Term. Gowen Fld

Wed 10/22

4:40 pm-11:15 pm

1 stop5h 35m

$311

HoustonBoise

HOU - BOI

HOUBOI

Houston Hobby

Tue 10/14

4:41 pm-10:22 pm

1 stop6h 41m

Boise Air Term. Gowen Fld

Tue 10/21

1:33 pm-10:14 pm

1 stop7h 41m

$315

HoustonJackson

HOU - JAC

HOUJAC

Houston Hobby

Wed 11/5

6:00 am-12:16 pm

1 stop7h 16m

Jackson Hole

Wed 11/12

1:11 pm-8:35 am

1 stop18h 24m

$340

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 45 results
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Best time to book a flight from Galveston to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Galveston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Galveston to Idaho

What is the cheapest month to book a flight from Galveston to Idaho?

Currently, October is the cheapest month in which you can book a flight from Galveston to Idaho (average of $314). Flying from Galveston to Idaho in June is currently the most expensive (average of $398). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from G4L to ID?

Find hourly flight availability from Galveston to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 19, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Galveston to Idaho as you normally would.

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated September 19, 2025.
Read through reviews of airlines operating flights from Galveston to Idaho, such as Southwest, Delta, and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,964 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,926 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,030 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Galveston to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Galveston to Idaho?

    Airlines like Southwest, Delta, and American Airlines fly from Galveston to Idaho in about 6h 43m. The time it takes to get you to your destination can typically vary by up to 58m. Galveston and Idaho are separated by a distance of 1499 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Galveston to Idaho one-way?

    One-way options have recently been found by users for as low as $126 on Southwest. Other airlines that offer cheap prices include Delta from $149 and American Airlines from $165 one-way.

  • What are the most popular routes from Galveston to Idaho?

    Most travelers choose Houston Hobby - Jackson Hole, Houston Hobby - Boise Air Term. Gowen Fld or Houston Hobby - Idaho Falls Fanning Field when deciding on the best route from Galveston to Idaho.

  • Can I find deals for flights from Galveston to Idaho that include hotel bookings?

    Yes. In addition to deals on Galveston to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Galveston to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Galveston to Idaho.

  • Can I find deals for business class flights from Galveston to Idaho?

    Yes. Cheapflights offers flight deals from Galveston to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Galveston to Idaho?

    Currently, October is the cheapest month in which you can book a flight from Galveston to Idaho (average of $314). Flying from Galveston to Idaho in June is currently the most expensive (average of $398). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Galveston to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Galveston to Idaho

Discover the top 6 airlines that operate flights from Galveston to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$139Average$287FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$208Average$449FlexibilityNo cancel feeOn-time69%
DeltaCheapest$212Average$454FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$250Average$400FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$268Average$399FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$350Average$632FlexibilityNo cancel feeOn-time75%

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