Cheap flights from Illinois to Houston from $54
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Houston departing on 7/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Frontier flights from Illinois to Houston George Bush Intcntl Airport
Our best Frontier deals on Illinois to Houston George Bush Intcntl Airport flight tickets
Spirit Airlines flights from Illinois to Houston George Bush Intcntl Airport
Our best Spirit Airlines deals on Illinois to Houston George Bush Intcntl Airport flight tickets
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How to get the cheapest flight ticket from Illinois to Houston George Bush Intcntl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Houston George Bush Intcntl Airport?
The month of August is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Illinois, with most prices found around $103. If you are unable to visit Houston George Bush Intcntl Airport during the month of August, then departing from Illinois during the month September is also very affordable. Most momondo users find prices during this month for around $146.
What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?
The cheapest day to depart from Illinois to Houston George Bush Intcntl Airport is on a Friday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Friday will often find tickets for as low as $264. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Sunday is $443.
What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?
Our data shows that the cheapest Illinois to Houston George Bush Intcntl Airport flights are usually those with departure times in the evening. Our users have found flights to Houston George Bush Intcntl Airport in the evening for as low as $269. Try not to purchase tickets in the morning because they tend to be around $336. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Illinois to Houston George Bush Intcntl flight route?
Fly from Chicago Midway to Houston George Bush Intcntl for the best Illinois - Houston George Bush Intcntl flight prices
How far in advance should I book a flight to Houston George Bush Intcntl Airport?
You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around $218 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from Illinois for as low as $169 on momondo.
What cabin class options are available on Illinois to Houston George Bush Intcntl flights?
There are 4 cabin classes available to choose from on Illinois to Houston George Bush Intcntl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Illinois to Houston George Bush Intcntl?
Spirit Airlines, Frontier, and American Airlines are the most popular carriers operating from Illinois to Houston George Bush Intcntl
What airlines fly to Houston George Bush Intcntl Airport?
Spirit Airlines, United Airlines and American Airlines are the top three most popular airlines that fly to Houston George Bush Intcntl Airport from Illinois according to our data. Spirit Airlines is the first choice among our users, with 29% of people opting to fly with this airline when traveling to Houston George Bush Intcntl Airport. Keep in mind that there are 5 different airlines that fly to Houston George Bush Intcntl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Illinois to Houston George Bush Intcntl Airport on average per day?
As of June 2025, 54 flights take off from Illinois and land in Houston George Bush Intcntl Airport each day. The most common flight departure time for this route is 8:00PM, with 38% of daily flights taking off in the evening.
How many flights depart from Illinois to Houston George Bush Intcntl Airport on average per week?
As of June 2025, 384 flights take off from Illinois and land in Houston George Bush Intcntl Airport each week. The most common flight departure day for this route is Sun, with 20% of weekly flights taking off on this day.
Cheap Illinois to Houston George Bush Intcntl Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Houston George Bush Intcntl Airport
When did momondo last update prices for flights from Illinois to Houston George Bush Intcntl Airport?
Prices for flights from Illinois to Houston George Bush Intcntl Airport were last updated today.
How many operators does momondo search for flights from Illinois to Houston George Bush Intcntl Airport?
As of June 2025, there are 5 operators available to choose from for flights from Illinois to Houston George Bush Intcntl Airport.
How old do you have to be to fly from Illinois to Houston George Bush Intcntl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Houston George Bush Intcntl Airport.
What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?
The travel and health documents required for your trip to Houston George Bush Intcntl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Houston George Bush Intcntl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Illinois to Houston George Bush Intcntl Airport?
Based on momondo bookings for flights between Illinois and Houston George Bush Intcntl Airport, the leading plane model is Airbus A321neo, making up 18.61% of the total bookings. Other popular models include Airbus A320neo with 14.41%, Boeing 737-900 with 12.58%, and Airbus A319 with 9.95%.
Best airlines flying from Illinois to Houston George Bush Intcntl Airport
Compare and see reviews for airlines that fly from Illinois to Houston George Bush Intcntl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $59 | Free Cancellation | Rating 5.9 3,296 reviews | |||
| PriceFrom $70 | Free Cancellation | Rating 6.3 8,076 reviews | |||
| PriceFrom $157 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $177 | Free Cancellation | Rating 7.4 8,830 reviews | |||
| PriceFrom $216 | Free Cancellation | Rating 8.0 7,962 reviews |
Traveling to a place near Houston?
Book flights to Houston if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Illinois to Houston?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Houston. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Illinois to Houston with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Houston from Illinois with this policy.
How can momondo help me find flights from Illinois to Houston?
Once you have performed a search for Illinois to Houston flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Illinois to Houston right now. Can momondo alert me if prices change?
Price alerts on flights to Houston from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.