$89 Cheap Flights from Des Moines (DSM) to Houston (IAH)

View $89 flight on Wed, Oct 15, 2025Opens in a new window

Popular airlines from Des Moines International Airport (DSM) to George Bush Intercontinental Airport (IAH)

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Cheap Flights from Des Moines to Houston (DSM-IAH)

Prices were available within the past 7 days and start at $89 for one-way flights and $205 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Jul 28 - Mon, Aug 4
DSM
Des Moines
IAH
Houston
$205 Roundtrip, found 4 days ago
$205
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Jul 28 from Des Moines to Houston, returning Mon, Aug 4, priced at $205 found 4 days ago
United
Thu, Aug 7 - Sun, Aug 10
DSM
Des Moines
IAH
Houston
$209 Roundtrip, just found
$209
Roundtrip
just found
Select United flight, departing Thu, Aug 7 from Des Moines to Houston, returning Sun, Aug 10, priced at $209 just found
United
Thu, Aug 7 - Sun, Aug 10
DSM
Des Moines
IAH
Houston
$219 Roundtrip, just found
$219
Roundtrip
just found
Select United flight, departing Thu, Aug 7 from Des Moines to Houston, returning Sun, Aug 10, priced at $219 just found
American Airlines
Tue, Aug 12 - Fri, Aug 15
DSM
Des Moines
IAH
Houston
$221 Roundtrip, found 4 days ago
$221
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Aug 12 from Des Moines to Houston, returning Fri, Aug 15, priced at $221 found 4 days ago
Frontier Airlines
Wed, Oct 15 - Wed, Oct 22
DSM
Des Moines
IAH
Houston
$225 Roundtrip, found 4 days ago
$225
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Wed, Oct 15 from Des Moines to Houston, returning Wed, Oct 22, priced at $225 found 4 days ago
United
Fri, Jan 2 - Fri, Jan 9
DSM
Des Moines
IAH
Houston
$227 Roundtrip, found 1 day ago
$227
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jan 2 from Des Moines to Houston, returning Fri, Jan 9, priced at $227 found 1 day ago
American Airlines
Wed, Sep 10 - Mon, Sep 15
DSM
Des Moines
IAH
Houston
$227 Roundtrip, found 2 days ago
$227
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Sep 10 from Des Moines to Houston, returning Mon, Sep 15, priced at $227 found 2 days ago
Delta
Wed, Aug 20 - Fri, Aug 22
DSM
Des Moines
IAH
Houston
$229 Roundtrip, found 1 hour ago
$229
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Aug 20 from Des Moines to Houston, returning Fri, Aug 22, priced at $229 found 1 hour ago
United
Tue, Jul 22 - Tue, Jul 29
DSM
Des Moines
IAH
Houston
$229 Roundtrip, found 3 hours ago
$229
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Jul 22 from Des Moines to Houston, returning Tue, Jul 29, priced at $229 found 3 hours ago
American Airlines
Wed, Sep 10 - Wed, Sep 17
DSM
Des Moines
IAH
Houston
$231 Roundtrip, found 1 day ago
$231
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Sep 10 from Des Moines to Houston, returning Wed, Sep 17, priced at $231 found 1 day ago

Find the cheapest month to fly from Des Moines (DSM) to Houston (IAH)

November is typically the cheapest month to fly

From $117 - $408 per traveler.

Graph displaying average flight prices per month

Alternative airports near Houston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to William P. Hobby HOU. Cheapest and Closest option available. Average driving time to city center is 15 minutes. Flights from $239
HOU
William P. Hobby
CheapestClosest
Average driving time to city center15 min
Flights from $239
Flights from Des Moines (DSM) to Houston (IAH)
Origin airport
Des Moines Intl.
Destination airport
George Bush Intercontinental
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$204
Distance
803 mi
Average flight time
2 hours 26 mins

Des Moines to Houston Flights

The cheapest times to fly from Des Moines to Houston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Des Moines to Houston are during the month of July. You can find some of the cheapest flights from Des Moines to Houston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Des Moines to Houston

Sunday is one of the best days to book for cheap flights from Des Moines to Houston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Des Moines to Houston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Des Moines to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $89 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Des Moines to Houston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Des Moines to Houston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Des Moines Intl. Airport (DSM) to George Bush Intercontinental Airport (IAH) cost?
You can land cheap return tickets from Des Moines Intl. Airport (DSM) to George Bush Intercontinental Airport (IAH) starting from $197. Book a seat and get ready to go. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving DSM on July 17 2025 and touching down at IAH. The price was last updated on July 4 2025 and has not changed since.
What is the cheapest month to fly from DSM to IAH?
The cheapest flights from DSM to IAH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Des Moines Intl. Airport (DSM) to George Bush Intercontinental Airport (IAH)?
When heading out of Des Moines Intl. Airport (DSM), you can take a nonstop flight to George Bush Intercontinental Airport (IAH) with United Airlines.
What is the cheapest airline that flies from DSM to IAH?
With fares starting at $140 for a one-way journey from DSM to IAH, United is currently the cheapest carrier flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DSM on August 24 2025. Prices were last updated on July 4 2025 and have not changed since.
How many flights per day from Des Moines Intl. Airport (DSM) to George Bush Intercontinental Airport (IAH)?
Every day on average, 2 nonstop flights operate from Des Moines Intl. Airport (DSM) to George Bush Intercontinental Airport (IAH). Pick the departure time that best fits your itinerary.
What are the most popular departure times for flights from Des Moines Intl. Airport (DSM) to George Bush Intercontinental Airport (IAH)?
More people fly between DSM and IAH at 3 PM than at any other time of day. Looking for a quieter experience? Pick a flight outside the busiest times and it's possible you'll save on your fare as well.
What day of the week has the most flights from DSM to IAH?
Friday offers the most flights from Des Moines Intl. Airport (DSM) to George Bush Intercontinental Airport (IAH). Consider leaving on this day and you'll have a greater chance of finding a schedule that works for you.
What is the earliest flight from Des Moines Intl. Airport (DSM) to George Bush Intercontinental Airport (IAH)?
Des Moines Intl. Airport (DSM)'s first flight to George Bush Intercontinental Airport (IAH) leaves at approximately 8:00AM UTC-6. With a travel duration of 2h 37m, you'll land at around 10:37AM UTC-6.
How long does it take to fly from Des Moines Intl. Airport (DSM) to George Bush Intercontinental Airport (IAH)?
Flights from DSM to IAH have an average travel time of 2 hours and 38 minutes. The distance between the two airports is 800 mi.
What is the best time to fly from Des Moines Intl. Airport (DSM) to George Bush Intercontinental Airport (IAH)?
To avoid potential delays on the Des Moines Intl. Airport (DSM) to George Bush Intercontinental Airport (IAH) route, fly before 3 PM. Later flights have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Houston from Des Moines Intl. Airport (DSM)?
George Bush Intercontinental Airport (IAH) is the only airport in Houston with direct flights from Des Moines Intl. Airport (DSM). Consider your options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Des Moines Intl. Airport (DSM) to George Bush Intercontinental Airport (IAH) last-minute?
Waiting until just before your departure to book a flight from DSM to IAH generally means paying more. While you might find some last-minute offers, there's no guarantee. Be flexible with your travel plans for a better chance of snagging a bargain.
Is it cheaper to book a DSM to IAH flight and hotel package?
Compared with arranging hotels and flights separately, booking a DSM to IAH flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place will take the stress out of planning your trip. Simply secure your flights and choose from our extensive range of stays, then personalize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Des Moines Intl. Airport (DSM) to George Bush Intercontinental Airport (IAH)?
If you booked your DSM to IAH flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

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