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$121+ Cheap flights from George Bush Intcntl (IAH) to Idaho Falls (IDA)

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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — IDA
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from George Bush Intcntl to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Idaho Falls (IDA). 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 August 14, 2025.

Round-trip from

$261
(Kiwi.com)

One-way from

$121
(Kiwi.com)

Popular in

March

Cheapest in

May

Average price

$518
From Houston George Bush Intcntl to Idaho Falls Fanning Field
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One-way flight from Houston George Bush Intcntl to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 3% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from George Bush Intcntl to Idaho Falls

Cheapest flights from George Bush Intcntl to Idaho Falls
Explore the most affordable flight options available from George Bush Intcntl to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/185:07 pmIAH - IDA
2 stops23h 58mMultiple Airlines
Mon 9/229:39 pmIDA - IAH
1 stop7h 11mMultiple Airlines
Deal found 8/14$261
This American Airlines deal was found by Cheapflights users on 8/14. 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 9/176:20 amIAH - IDA
1 stop7h 04mAmerican Airlines
Wed 9/246:44 amIDA - IAH
1 stop5h 56mAmerican Airlines
Deal found 8/14$351
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/197:10 amIAH - IDA
2 stops9h 55mMultiple Airlines
Mon 9/229:39 pmIDA - IAH
1 stop7h 11mMultiple Airlines
Deal found 8/14$359
This Delta deal was found by Cheapflights users on 8/12. 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 11/87:45 amIAH - IDA
1 stop5h 48mDelta
Wed 11/126:50 pmIDA - IAH
2 stops18h 31mDelta
Deal found 8/12$377
This Delta deal was found by Cheapflights users on 8/12. 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.
Mon 9/16:50 pmIAH - IDA
1 stop4h 37mDelta
Sat 9/66:00 amIDA - IAH
1 stop4h 56mDelta
Deal found 8/12$383
This Delta deal was found by Cheapflights users on 8/14. 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 9/177:40 amIAH - IDA
1 stop5h 46mDelta
Tue 9/231:06 pmIDA - IAH
1 stop7h 23mDelta
Deal found 8/14$399
This American Airlines deal was found by Cheapflights users on 8/14. 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 9/246:01 amIAH - IDA
1 stop7h 58mAmerican Airlines
Mon 9/2912:54 pmIDA - IAH
1 stop9h 26mAmerican Airlines
Deal found 8/14$401

Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl to Idaho Falls 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 August 14, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Idaho Falls that are best for you.

Fly from

George Bush Intcntl

Fly to

Idaho Falls

Route

Depart

Return

Price

HoustonIdaho Falls

IAH - IDA

IAHIDA

Houston George Bush Intcntl

Thu 9/18

5:07 pm-4:05 pm

2 stops23h 58m

Idaho Falls Fanning Field

Mon 9/22

9:39 pm-5:50 am

1 stop7h 11m

$261

HoustonIdaho Falls

IAH - IDA

IAHIDA

Houston George Bush Intcntl

Wed 9/17

6:20 am-12:24 pm

1 stop7h 04m

Idaho Falls Fanning Field

Wed 9/24

6:44 am-1:40 pm

1 stop5h 56m

$351

HoustonIdaho Falls

IAH - IDA

IAHIDA

Houston George Bush Intcntl

Wed 9/24

7:42 am-12:59 pm

1 stop6h 17m

Idaho Falls Fanning Field

Fri 9/26

12:54 pm-11:20 pm

1 stop9h 26m

$351

HoustonIdaho Falls

IAH - IDA

IAHIDA

Houston George Bush Intcntl

Fri 9/19

7:10 am-4:05 pm

2 stops9h 55m

Idaho Falls Fanning Field

Mon 9/22

9:39 pm-5:50 am

1 stop7h 11m

$359

HoustonIdaho Falls

IAH - IDA

IAHIDA

Houston George Bush Intcntl

Sat 11/8

7:45 am-12:33 pm

1 stop5h 48m

Idaho Falls Fanning Field

Wed 11/12

6:50 pm-2:21 pm

2 stops18h 31m

$377

HoustonIdaho Falls

IAH - IDA

IAHIDA

Houston George Bush Intcntl

Mon 9/1

6:50 pm-10:27 pm

1 stop4h 37m

Idaho Falls Fanning Field

Sat 9/6

6:00 am-11:56 am

1 stop4h 56m

$383

HoustonIdaho Falls

IAH - IDA

IAHIDA

Houston George Bush Intcntl

Sun 9/21

9:26 pm-2:49 pm

1 stop18h 23m

$121

HoustonIdaho Falls

IAH - IDA

IAHIDA

Houston George Bush Intcntl

Sun 8/31

6:00 am-5:06 pm

1 stop12h 06m

$155

HoustonIdaho Falls

IAH - IDA

IAHIDA

Houston George Bush Intcntl

Wed 8/27

4:36 pm-9:18 pm

1 stop5h 42m

$206

HoustonIdaho Falls

IAH - IDA

IAHIDA

Houston George Bush Intcntl

Wed 8/27

9:46 am-10:48 pm

2 stops14h 02m

$400

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

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

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

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

Currently, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Idaho Falls (average of $380). Flying from Houston George Bush Intcntl Airport to Idaho Falls in December is currently the most expensive (average of $578). 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.

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. 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 Falls. Reviews last updated August 14, 2025.
Peruse reviews from past customers who have flown with Delta and United Airlines from Houston George Bush Intcntl Airport to Idaho Falls to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Idaho Falls. 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 into for flights to Idaho Falls from Houston George Bush Intcntl?

    Located just 3.8 mi from the city center, Idaho Falls Fanning Field is the airport most travelers will use when flying to Idaho Falls from Houston George Bush Intcntl. Booking flights from Houston George Bush Intcntl to Fanning Field (IDA) should be relatively easy as there are 0 daily inbound flights from Houston George Bush Intcntl from 2 different airlines.

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

    Delta, at $255, was found to be the cheapest airline from Houston George Bush Intcntl Airport to Idaho Falls. An alternate airline flying to your destination would be United Airlines. These flights start at 50% lower than the current average price 3 months from now.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Idaho Falls (average of $380). Flying from Houston George Bush Intcntl Airport to Idaho Falls in December is currently the most expensive (average of $578). 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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Top 2 airlines flying from George Bush Intcntl to Idaho Falls

Discover the top 2 airlines that operate flights from George Bush Intcntl to Idaho Falls. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$255Average$454FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$314Average$512FlexibilityNo cancel feeOn-time69%

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