Prices were available within the past 7 days and start at $56 for one-way flights and $88 for roundtrip, for the period specified. Prices and availability are subject to change.
Travel from Baltimore Washington International Thurgood Marshall Airport (BWI) to George Bush Intercontinental Airport (IAH) and explore the vibrant city of Houston. With a range of options for flights from Baltimore to Houston, you can choose between full-service and budget-friendly airlines. Compare itineraries to find the best fit for your schedule and budget as you embark on your adventure to discover Houston's renowned attractions and neighborhoods. Get ready for an exciting journey with convenient flight times and affordable plane tickets.
Fastest flight duration: around 3h 45m non-stop
Route distance: roughly 1,200 miles (1,930 km)
Flights per week: around 20+ flights with multiple daily departures on average
Typical fares (one-way): economy tickets often range from $50–$400, depending on seasonality and how far ahead you book
Flights from Baltimore Washington International Thurgood Marshall Airport (BWI) to George Bush Intercontinental Airport (IAH)
According to recent traveler bookings, here are the top airlines favored for flights from Baltimore to Houston, particularly for non-stop and one-stop options. Many passengers opt for layovers at Hartsfield-Jackson Atlanta International Airport (ATL, approximately 1 hour 30 minutes), Charlotte-Douglas International Airport (CLT, around 55 minutes), and Dallas-Fort Worth International Airport (DFW, about 1 hour). This variety allows you to tailor your journey by balancing price, total travel time, and cabin class to secure the ideal itinerary.
United: This major carrier provides both non-stop and one-stop flights, with one-way ticket prices generally falling between $90 and $420. United is responsible for around 60% of the departures on this route, featuring a standard non-stop flight duration of 3 hours and 45 minutes.
Frontier Airlines: As a budget airline, Frontier offers non-stop and one-stop options, with one-way fares usually ranging from $50 to $245. It makes up approximately 20% of the flights on this route, maintaining a typical non-stop travel time of 3 hours and 45 minutes.
American Airlines: This full-service airline provides one-stop travel, with one-way fares that typically range from $100 to $435. American Airlines accounts for about 10% of departures on this route, with an in-flight duration of 4 hours and 45 minutes and a total travel time of around 6 hours, including layover.
Delta: Another full-service option, Delta offers one-stop service, with one-way fares generally between $115 and $435. This airline also represents about 10% of departures for this route, featuring an in-flight time of 4 hours and 45 minutes and a total journey duration of roughly 6 hours, including layover.
Travelers flying from Baltimore to Houston can opt for upgraded service with both United and Delta offering first-class and premium economy cabins for a more comfortable journey.
Alternative routes from Baltimore (BWI) to Houston (IAH)
Baltimore to Houston (BWI-HOU): 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 $90 and $420, varying by season and how far in advance you book. Travelers can choose from both non-stop and one-stop flights. Leading airlines operating on this route include Southwest Airlines, a budget-friendly option, and Delta.
Washington to Houston (DCA-IAH): Ronald Reagan Washington National Airport (DCA) is about 30 miles from Baltimore Washington International Thurgood Marshall Airport (BWI). One-way economy prices for this route typically range from $90 to $415, influenced by the time of year and booking timing. Passengers can select from both non-stop and one-stop services. Major airlines flying this route include United and American Airlines, with first-class service also available.
How to find the best prices for flights from Baltimore (BWI) to Houston (IAH)
Getting some of the best deals on flights from Baltimore to Houston is all about timing and flexibility. Here are some key tips to help you save:
Best times to book and fly: cheaper fares are generally available when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Evening departures (6 PM-12 AM) often provide lower prices, while morning flights (5 AM-12 PM) are the most popular. Additionally, flying on Sunday usually results in cheaper rates, though Thursday is the preferred travel day for many.
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.*
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 George Bush Intercontinental Airport from Baltimore Washington International Thurgood Marshall Airport
Houston welcomes travelers from Baltimore with a range of transport options based on price, convenience, and proximity. Here's how to reach Houston efficiently:
Hotel transfer: Transfers offer a convenient way to reach your hotel in Houston, with private rides that can be arranged in advance.
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 George Bush Intercontinental Airport, Terminal C Station, a metro station, is located about 0.3 miles away on foot, providing convenient access for travelers heading into the city.
Baltimore to Houston Flights
The cheapest times to fly from Baltimore 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 Baltimore to Houston are during the month of December. You can find some of the cheapest flights from Baltimore to Houston with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Baltimore to Houston
Sunday is one of the best days to book for cheap flights from Baltimore 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 Baltimore 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 Baltimore to Houston in 2026. You can also book with separate airlines for your outbound and return journeys, from $56 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 Baltimore 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 Baltimore 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Houston, TX (IAH-George Bush Intercontinental) cost?
You can find cheap one-way flights from $56 and cheap return flights $88 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Houston, TX (IAH-George Bush Intercontinental) with Expedia. One-way flights typically cost between $136 and $1027, and return flights often range between $267 and $1221. 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Houston, TX (IAH-George Bush Intercontinental) 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Houston, TX (IAH-George Bush Intercontinental)?
September is the cheapest month to fly from Baltimore to Houston, with average round-trip fares around $247. This price is about 19% lower than the average throughout the year, as September is after the summer travel peak, leading to reduced demand. Other cheap months to fly from Baltimore to Houston include January and February.
*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Houston, TX (IAH-George Bush Intercontinental)?
3 airlines operate nonstop service from BWI to IAH:
United operates around 38 direct flights from BWI to IAH every week
Spirit Airlines operates around 11 direct flights from BWI to IAH every week
Frontier Airlines operates around 7 direct flights from BWI to IAH every week
What is the cheapest airline that flies from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Houston, TX (IAH-George Bush Intercontinental)?
Spirit Airlines is one of the cheapest airlines offering nonstop flights from Baltimore (BWI) to Houston (IAH), with round-trip tickets starting from around $60. 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Houston, TX (IAH-George Bush Intercontinental)?
To find a cheap flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Houston, TX (IAH-George Bush Intercontinental), 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 airline to fly with from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Houston, TX (IAH-George Bush Intercontinental)?
The best airline to fly with from Baltimore, MD (BWI) to Houston, TX (IAH) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. Delta offers the most daily flights from BWI to IAH, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Houston, TX (IAH-George Bush Intercontinental)?
For flights from Baltimore to Houston, September and February are the best months to consider. September offers prices around $247 for a return flight, making it an affordable choice, while February is also a popular time to travel. These months provide a great balance of cost and convenience, making your trip to Texas enjoyable.
*Prices based on flights available on Expedia in the last year.
How many flights per day from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Houston, TX (IAH-George Bush Intercontinental)?
There are approximately 7 nonstop flights per day from Baltimore Washington Intl. Thurgood Marshall (BWI) to George Bush Intercontinental (IAH). For more options, look at flights that include layovers.
What is the earliest flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Houston, TX (IAH-George Bush Intercontinental)?
The earliest flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Houston, TX (IAH-George Bush Intercontinental) typically departs at around 5:00 AM, operated by American Airlines. This seasonal service is active in December, allowing you to make the most of your day in Texas. 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Houston, TX (IAH-George Bush Intercontinental)?
The most popular departure times for flights from Baltimore, MD (BWI) to Houston, TX (IAH) are in the early morning, from 6am to 9am. About 36% of passengers prefer this time window. American Airlines, Delta Airlines, and United Airlines provide flights during this time. This timing is popular because it allows travelers to arrive in Houston with a full day ahead of them.
How long does it take to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Houston, TX (IAH-George Bush Intercontinental)?
A nonstop flight from BWI to IAH typically takes around 3 hours 50 minutes, covering approximately 1,234 miles. Connecting flights on this route usually add 2 hours 40 minutes to your travel time. 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Houston, TX (IAH-George Bush Intercontinental)?
Business class seats are offered on the BWI to IAH route with American Airlines.
First class cabins are available on:
American Airlines
Spirit Airlines
Delta Air Lines
United Airlines
How much is a business class flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Houston, TX (IAH-George Bush Intercontinental)?
A direct, return business class ticket from Baltimore, MD (BWI) to Houston, TX (IAH) typically costs between $1,362 - $2,023. A non-stop, one-way business class flight is usually around $338 - $478. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Houston, TX (IAH-George Bush Intercontinental) if you opt for a connecting flight.
*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Houston, TX (IAH-George Bush Intercontinental) flight with Expedia?
It's easy to earn miles on a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Houston, TX (IAH-George Bush Intercontinental) 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 Houston from Baltimore Washington Intl. Thurgood Marshall (BWI)?
From Baltimore Washington Intl. Thurgood Marshall (BWI), you can fly into George Bush Intercontinental (IAH) and William P. Hobby (HOU) in Houston. Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Charlotte-Douglas Intl. (CLT), O'Hare Intl. (ORD) before reaching Houston. 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Houston, TX (IAH-George Bush Intercontinental) at the last minute?
Typically, booking a last minute flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Houston, TX (IAH-George Bush Intercontinental) 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Houston, TX (IAH-George Bush Intercontinental) flight and hotel package?
Securing a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Houston, TX (IAH-George Bush Intercontinental) Houston Vacation Packages 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Houston, TX (IAH-George Bush Intercontinental)?
If you booked your Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Houston, TX (IAH-George Bush Intercontinental) 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.
Travel information
Origin airport
Baltimore Washington Intl. Airport
Destination airport
George Bush Intercontinental Airport
Distance
1,233 miles away
Airlines serving
Frontier Airlines, JetBlue Airways, United, American Airlines, Delta, Alaska Airlines