HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
George Bush Intcntl

$216+ Cheap flights from Idaho Falls (IDA) to George Bush Intcntl (IAH)

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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — IAH
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho Falls to George Bush Intcntl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Idaho Falls to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to George Bush Intcntl (IAH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 29, 2025.

Round-trip from

$299
(Delta)

One-way from

$216
(United Airlines)

Popular in

June

Cheapest in

March

Average price

$588
From Idaho Falls Fanning Field to Houston George Bush Intcntl
Search Deals
One-way flight from Idaho Falls Fanning Field to Houston George Bush Intcntl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Idaho Falls to George Bush Intcntl

Cheapest flights from Idaho Falls to George Bush Intcntl
Explore the most affordable flight options available from Idaho Falls to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Delta deal was found by Cheapflights users on 7/27. 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 8/276:00 amIDA - IAH
1 stop4h 56mDelta
Tue 9/26:50 pmIAH - IDA
1 stop4h 37mDelta
Deal found 7/27$299
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/114:15 pmIDA - IAH
1 stop24h 55mAlaska Airlines
Sat 10/187:10 pmIAH - IDA
1 stop21h 28mAlaska Airlines
Deal found 7/29$314
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/274:15 pmIDA - IAH
1 stop5h 55mUnited Airlines
Mon 9/15:00 amIAH - IDA
1 stop5h 47mUnited Airlines
Deal found 7/27$405
This American Airlines deal was found by Cheapflights users on 7/29. 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 8/271:32 pmIDA - IAH
1 stop5h 34mAmerican Airlines
Sat 9/64:29 pmIAH - IDA
1 stop5h 56mAmerican Airlines
Deal found 7/29$424

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls to George Bush Intcntl 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 July 29, 2025.
Use the filters below to find and compare flights from Idaho Falls to Houston George Bush Intcntl Airport that are best for you.

Fly from

Idaho Falls

Fly to

George Bush Intcntl

Route

Depart

Return

Price

Idaho FallsHouston

IDA - IAH

IDAIAH

Idaho Falls Fanning Field

Wed 8/27

6:00 am-11:56 am

1 stop4h 56m

Houston George Bush Intcntl

Tue 9/2

6:50 pm-10:27 pm

1 stop4h 37m

$299

Idaho FallsHouston

IDA - IAH

IDAIAH

Idaho Falls Fanning Field

Sat 10/11

4:15 pm-6:10 pm

1 stop24h 55m

Houston George Bush Intcntl

Sat 10/18

7:10 pm-3:38 pm

1 stop21h 28m

$314

Idaho FallsHouston

IDA - IAH

IDAIAH

Idaho Falls Fanning Field

Wed 8/27

4:15 pm-11:10 pm

1 stop5h 55m

Houston George Bush Intcntl

Mon 9/1

5:00 am-9:47 am

1 stop5h 47m

$405

Idaho FallsHouston

IDA - IAH

IDAIAH

Idaho Falls Fanning Field

Wed 8/27

1:32 pm-8:06 pm

1 stop5h 34m

Houston George Bush Intcntl

Sat 9/6

4:29 pm-9:25 pm

1 stop5h 56m

$424

Idaho FallsHouston

IDA - IAH

IDAIAH

Idaho Falls Fanning Field

Mon 9/15

4:15 pm-11:10 pm

1 stop5h 55m

$216

Idaho FallsHouston

IDA - IAH

IDAIAH

Idaho Falls Fanning Field

Mon 9/15

3:57 pm-4:59 pm

2 stops24h 02m

$293

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Idaho Falls to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Idaho Falls 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 Idaho Falls to Houston George Bush Intcntl Airport

What is the cheapest month to book a flight from Idaho Falls to Houston George Bush Intcntl Airport?

Currently, August is the cheapest month in which you can book a flight from Idaho Falls to Houston George Bush Intcntl Airport (average of $241). Flying from Idaho Falls to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 IDA to IAH?

Find hourly flight availability from Idaho Falls to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

When flying from Idaho Falls to Houston George Bush Intcntl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 18% versus a flight in the afternoon.

Reviews of airlines servicing George Bush Intcntl

Get insights into the airlines that provide service to George Bush Intcntl. 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 George Bush Intcntl. Reviews last updated July 29, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines from Idaho Falls to Houston George Bush Intcntl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

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

  • What airport do you fly from for flights from Idaho Falls to Houston George Bush Intcntl?

    Most people fly from Idaho Falls Fanning Field (IDA) if they book a flight from Idaho Falls to Houston George Bush Intcntl. On average, Fanning Field has 0 outbound flights to Houston George Bush Intcntl per day from 3 airlines. Idaho Falls Fanning Field is conveniently located just 3.8 mi from Idaho Falls’s city center.

  • What are the cheapest airlines flying from Idaho Falls to Houston George Bush Intcntl Airport round-trip?

    According to our current data, Delta ($299), Alaska Airlines ($314), and United Airlines ($405) offers the cheapest pricing from Idaho Falls to Houston George Bush Intcntl Airport. These flights start at 42% lower than the current average price 3 months from now.

  • Can I find deals for flights from Idaho Falls to George Bush Intcntl that include hotel bookings?

    Yes. In addition to deals on Idaho Falls to George Bush Intcntl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho Falls to George Bush Intcntl?

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

  • Can I find deals for business class flights from Idaho Falls to George Bush Intcntl?

    Yes. Cheapflights offers flight deals from Idaho Falls to George Bush Intcntl 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 Idaho Falls to Houston George Bush Intcntl Airport?

    Currently, August is the cheapest month in which you can book a flight from Idaho Falls to Houston George Bush Intcntl Airport (average of $241). Flying from Idaho Falls to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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

Traveling to a place near Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Montgomery
Spring
Humble
Conroe
The Woodlands
Tomball
Katy
Jersey Village

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Idaho Falls to George Bush Intcntl

Discover the top 3 airlines that operate flights from Idaho Falls to George Bush Intcntl. 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$194Average$388FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$369Average$625FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$376Average$474FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.