Prices were available within the past 7 days and start at $257 for one-way flights and $273 for roundtrip, for the period specified. Prices and availability are subject to change.
Explore a range of airlines providing flights from Houston (IAH) to Moline (MLI) on this convenient domestic route. Compare different options, from full-service airlines to budget-friendly choices, to find the best itinerary that aligns with your budget, schedule, and travel plans. As you prepare to discover Moline's renowned attractions and neighborhoods, gather the essential details for flights from George Bush Intercontinental Airport (IAH) to Quad City International Airport (MLI).
Fastest flight duration: around 3h 45m in-flight, plus roughly 1h 15m layover with one stop
Route distance: roughly 800 miles (1,290 km)
Flights per week: around 9 departures on average
Typical fares (one-way): economy tickets often range from $100–$410, depending on seasonality and how far ahead you book
Flights from George Bush Intercontinental Airport (IAH) to Quad City International Airport (MLI)
According to recent traveler bookings, here are the top airlines favored for flights from Houston to Moline, particularly those offering one-stop services. Common layover options include O'Hare International Airport (ORD) with an average layover of about 1 hour and 15 minutes, Dallas-Fort Worth International Airport (DFW) also around 1 hour and 15 minutes, and Hartsfield-Jackson Atlanta International Airport (ATL) with a longer layover of approximately 2 hours and 15 minutes. This allows you to customize your journey based on price, total travel time, and cabin class for the best possible itinerary.
American Airlines: This full-service airline provides one-stop travel options, with one-way ticket prices generally between $100 and $425. It operates about 64% of flights on this route, featuring an in-flight duration of 3 hours and 45 minutes, leading to a total travel time of around 5 hours and 15 minutes, including layover time.
United: Offering a full-service experience with one-stop connections, United's one-way fares typically range from $125 to $385. It makes up roughly 29% of departures on this route, with the same in-flight duration of 3 hours and 45 minutes, resulting in an overall journey time of approximately 5 hours and 15 minutes, including the layover.
Delta: As a full-service carrier providing one-stop service, Delta's one-way fares usually fall between $130 and $350. This airline accounts for around 7% of departures along this route, featuring an in-flight time of 3 hours and 45 minutes, with the total travel time being about 5 hours and 15 minutes, including layover.
Best time to fly from Houston (IAH) to Moline (MLI)
The most popular months for travelers flying from Houston to Moline are April, July, and August, when peak temperatures in Moline reach up to 74.3°F in July. If you prefer quieter travel, consider September, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 66.6°F. For better deals, August usually offers the lowest average one-way fare around $186. Flight availability peaks in June, with approximately 12 flights per week, making it easier to find convenient departure times.
Cheapest time to fly: August usually offers good deals with average one-way fare around $186, roughly 21% cheaper than the yearly average.
Most flight options: June has the highest number of flights from Houston to Moline, with approximately 12 flights per week, giving you more flexibility in scheduling your trip.
Month
Temperature
Demand
Weekly Flights
Average one-way Fare
January
22.6°F (-5.2°C)
Average
7
$223
February
25.5°F (-3.6°C)
Average
8
$217
March
39.6°F (4.2°C)
Average
9
$313
April
50.2°F (10.1°C)
Slightly High
8
$231
May
61.9°F (16.6°C)
Average
9
$226
June
71.4°F (21.9°C)
Average
12
$228
July
74.3°F (23.5°C)
Slightly High
10
$259
August
73.0°F (22.8°C)
Slightly High
9
$186
September
66.6°F (19.2°C)
Slightly Low
7
$218
October
53.6°F (12.0°C)
Slightly Low
8
$254
November
40.6°F (4.8°C)
Average
11
$223
December
30.6°F (-0.8°C)
Slightly Low
11
$275
*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.
Alternative route from Houston (IAH) to Moline (MLI)
Houston to Moline (HOU-MLI): William P. Hobby Airport (HOU) is located approximately 23 miles from George Bush Intercontinental Airport (IAH). On this route, one-way economy fares generally fall between $100 and $450, influenced by the season and how far in advance you book. The majority of flights on this route feature at least one stop, commonly at Dallas-Fort Worth International Airport (DFW) or Hartsfield-Jackson Atlanta International Airport (ATL). Major airlines operating this route include American Airlines and Delta, with first class service also available.
How to find the best prices for flights from Houston (IAH) to Moline (MLI)
Getting some of the best deals on flights from Houston to Moline is all about timing and flexibility. Here are some key tips to help you save:
Best times to book and fly: cheaper fares are usually found when booking at least two months in advance, although most travelers tend to book within two weeks. Morning departures, between 5 a.m. and 12 p.m., are not only the most popular but also tend to offer lower prices. Additionally, flying on Wednesday generally provides cheaper options, while Friday remains the most popular travel day.
Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Moline hotel and flight deals.
Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.
*Members only. Savings vary and are not available on all bundles. Select hotels.
Arriving at Quad City International Airport from George Bush Intercontinental Airport
Moline welcomes travelers from Houston with a range of transport options based on price, convenience, and proximity. Here's how to reach Moline efficiently:
Hotel transfer: Transfers offer a convenient way to reach your hotel in Moline, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
Public transportation: From Quad City International Airport, Centre Station, a bus station, is located about 5.6 miles away by car, while Celebration River Cruise Dock, a cruise terminal, is situated approximately 5.8 miles from the airport, also accessible by car.
Houston to Moline Flights
The cheapest times to fly from Houston to Moline
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 Moline are during the month of February. You can find some of the cheapest flights from Houston to Moline with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Houston to Moline
Sunday is one of the best days to book for cheap flights from Houston to Moline: 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 Moline
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 Moline in 2026. You can also book with separate airlines for your outbound and return journeys, from $257 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 Moline 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 Moline 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 Houston, TX (IAH-George Bush Intercontinental) to Moline, IL (MLI-Quad City Intl.) cost?
You can find cheap one-way flights from $257 and cheap return flights $273 Houston, TX (IAH-George Bush Intercontinental) to Moline, IL (MLI-Quad City Intl.) with Expedia. One-way flights typically cost between $271 and $709, and return flights often range between $380 and $1425. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Houston, TX (IAH-George Bush Intercontinental) to Moline, IL (MLI-Quad City Intl.) ticket fares go up or down.
*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Houston, TX (IAH-George Bush Intercontinental) to Moline, IL (MLI-Quad City Intl.)?
The cheapest month to fly from IAH to MLI is February when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Houston, TX (IAH-George Bush Intercontinental) to Moline, IL (MLI-Quad City Intl.)?
Enter IAH to MLI and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Houston, TX (IAH-George Bush Intercontinental) to Moline, IL (MLI-Quad City Intl.)?
United is one of the cheapest airlines offering connecting flights from Houston, TX (IAH) to Moline, IL (MLI), with round-trip tickets starting from around $202 with a layover in Dallas-Fort Worth Intl. (DFW). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Houston, TX (IAH-George Bush Intercontinental) to Moline, IL (MLI-Quad City Intl.)?
To find a cheap flight from Houston, TX (IAH-George Bush Intercontinental) to Moline, IL (MLI-Quad City Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Houston, TX (IAH-George Bush Intercontinental) to Moline, IL (MLI-Quad City Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Houston, TX (IAH-George Bush Intercontinental) to Moline, IL (MLI-Quad City Intl.)?
The earliest flight from Houston, TX (George Bush Intercontinental) to Moline, IL (Quad City Intl.) typically departs at around 5:00 AM, operated by American Airlines. This seasonal service is active in November, allowing you to maximize your time in Moline. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Houston, TX (IAH-George Bush Intercontinental) to Moline, IL (MLI-Quad City Intl.)?
The most popular departure times for flights from Houston (IAH) to Moline (MLI) are in the late morning, from 9am to noon. About 29% of passengers prefer this time window. Many major carriers, including American Airlines and United Airlines, operate flights during this time. This timing is popular because it allows travelers to start their day in Houston before heading out.
How long does it take to fly from Houston, TX (IAH-George Bush Intercontinental) to Moline, IL (MLI-Quad City Intl.)?
Flights from IAH to MLI with one stop typically take around 7 hours, covering approximately 837 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Houston, TX (IAH-George Bush Intercontinental) to Moline, IL (MLI-Quad City Intl.)?
First class is available on flights from IAH to MLI. First class cabins are available on:
American Airlines
United Airlines
Delta Air Lines
How do I earn miles on a Houston, TX (IAH-George Bush Intercontinental) to Moline, IL (MLI-Quad City Intl.) flight with Expedia?
It's easy to earn miles on a Houston, TX (IAH-George Bush Intercontinental) to Moline, IL (MLI-Quad City Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.
*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Moline from George Bush Intercontinental (IAH)?
If you're planning to travel to Moline from George Bush Intercontinental (IAH), you can fly into Quad City Intl. (MLI) Some flights may connect through major hubs like Dallas-Fort Worth Intl. (DFW), Charlotte-Douglas Intl. (CLT), Miami Intl. (MIA) before reaching Moline. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Houston, TX (IAH-George Bush Intercontinental) to Moline, IL (MLI-Quad City Intl.) at the last minute?
Typically, booking a last minute flight from Houston, TX (IAH-George Bush Intercontinental) to Moline, IL (MLI-Quad City Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Houston, TX (IAH-George Bush Intercontinental) to Moline, IL (MLI-Quad City Intl.) flight and hotel package?
Securing a Houston, TX (IAH-George Bush Intercontinental) to Moline, IL (MLI-Quad City Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select 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 Houston, TX (IAH-George Bush Intercontinental) to Moline, IL (MLI-Quad City Intl.)?
If you booked your Houston, TX (IAH-George Bush Intercontinental) to Moline, IL (MLI-Quad City Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket 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 if you'd like more information.