Cheap Flights from Houston (IAH) to Boulder (WBU)

Popular airlines from George Bush Intercontinental Airport (IAH) to Boulder, CO (WBU-Boulder Municipal)

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Boulder, CO (WBU-Boulder Municipal) cost?
Secure a cheap one-way flight or cheap return flight from George Bush Intercontinental Airport (IAH) to Boulder, CO (WBU-Boulder Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from George Bush Intercontinental Airport (IAH) to Boulder, CO (WBU-Boulder Municipal)?
Planning your trip for is a good way to save, as it's the cheapest month for flights between IAH and WBU. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to Boulder, CO (WBU-Boulder Municipal)?
To find the cheapest airline flying from IAH to WBU, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from George Bush Intercontinental Airport (IAH) to Boulder, CO (WBU-Boulder Municipal)?
Direct flights from George Bush Intercontinental Airport (IAH) to Boulder, CO (WBU-Boulder Municipal) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAH to WBU?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Boulder, CO (WBU-Boulder Municipal)?
To avoid potential delays on the George Bush Intercontinental Airport (IAH) to Boulder, CO (WBU-Boulder Municipal) route, aim to fly before 3 PM. Departures after this hour 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 Boulder from George Bush Intercontinental Airport (IAH)?
Denver Intl. Airport (DEN) is the only airport in Boulder with direct flights from George Bush Intercontinental Airport (IAH). Explore the available options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from George Bush Intercontinental Airport (IAH) to Boulder, CO (WBU-Boulder Municipal) last-minute?
Last-minute bookings from IAH to WBU are typically more expensive. For the best rates, start looking for flights well in advance. That being said, if you can play around with your travel dates, you may find a cheap ticket just before your departure.
Is it cheaper to book an IAH to WBU flight and hotel package?
Opting for an IAH to WBU flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Boulder, CO (WBU-Boulder Municipal)?
Typically, you can modify or cancel your IAH to WBU flight. However, there may be additional charges, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you'd like more details, head to our Customer Service portal.

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Boulder Municipal
Distance
890 mi

Book with confidence

Houston to Boulder Flights

The cheapest times to fly from Houston to Boulder

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 Houston to Boulder are during the month of . You can find some of the cheapest flights from Houston to Boulder with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Boulder

Sunday is one of the best days to book for cheap flights from Houston to Boulder: 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 Houston to Boulder

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 Houston to Boulder in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Houston to Boulder 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 Houston to Boulder 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.

 

Houston to Boulder Flights

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*Available to One Key members.