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$354+ Cheap flights from Waterloo, IA (ALO) to Houston

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
ALO — HOU
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Find flight deals from Waterloo to Houston

Cheapest flights from Waterloo to Houston
Explore the most affordable flight options available from Waterloo to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 9/236:00 amALO - IAH
1 stop6h 43mAmerican Airlines
Tue 9/304:51 pmIAH - ALO
1 stop5h 14mAmerican Airlines
Deal found 9/14$354

Best time to book a flight from Waterloo to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Waterloo 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 Waterloo to Houston

What is the cheapest month to book a flight from Waterloo, Iowa to Houston?

Currently, September is the cheapest month in which you can book a flight from Waterloo, Iowa to Houston (average of $230). Flying from Waterloo, Iowa to Houston in March is currently the most expensive (average of $330). 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 Houston

Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated September 15, 2025.
See what other customers who have flown with American Airlines from Waterloo to Houston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Comfort

7.2

Crew

8.0

Entertainment

6.9

Food

6.4

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Comfort

7.2

Crew

8.0

Entertainment

6.9

Food

6.4

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.

Related info for your journey

Find useful and relevant information for your journey from Waterloo to Houston. 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 Waterloo to Houston?

    For a flight from Waterloo to Houston, you will be flying from Waterloo. Waterloo (ALO) is just 5.3 mi from the center of the city. Waterloo is the only Waterloo airport and it handles 0 outbound flights to Houston per day. 1 airline has flights to Houston from Waterloo on a regular basis.

  • Can I find deals for flights from Waterloo to Houston that include hotel bookings?

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

  • How can I find direct flights from Waterloo to Houston?

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

  • Can I find deals for business class flights from Waterloo to Houston?

    Yes. Cheapflights offers flight deals from Waterloo to Houston 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 Waterloo, Iowa to Houston?

    Currently, September is the cheapest month in which you can book a flight from Waterloo, Iowa to Houston (average of $230). Flying from Waterloo, Iowa to Houston in March is currently the most expensive (average of $330). 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 airline flying from Waterloo to Houston

Discover the top airline that operate flights from Waterloo to Houston. 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$333FlexibilityNo cancel feeOn-time71%

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