$61 Cheap Flights from Baltimore (BWI) to Houston (HOU)

View $61 flight on Tue, May 20, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Baltimore to Houston (BWI-HOU)

Prices were available within the past 7 days and start at $61 for one-way flights and $122 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Sat, May 3 - Tue, May 13
BWI
Baltimore
IAH
Houston
$122 Roundtrip, just found
$122
Roundtrip
just found
Select Spirit Airlines flight, departing Sat, May 3 from Baltimore to Houston, returning Tue, May 13, priced at $122 just found
Spirit Airlines
Fri, May 9 - Tue, May 13
BWI
Baltimore
IAH
Houston
$127 Roundtrip, just found
$127
Roundtrip
just found
Select Spirit Airlines flight, departing Fri, May 9 from Baltimore to Houston, returning Tue, May 13, priced at $127 just found
Spirit Airlines
Wed, Apr 30 - Tue, May 13
BWI
Baltimore
IAH
Houston
$130 Roundtrip, found 4 days ago
$130
Roundtrip
found 4 days ago
Select Spirit Airlines flight, departing Wed, Apr 30 from Baltimore to Houston, returning Tue, May 13, priced at $130 found 4 days ago
Spirit Airlines
Tue, May 6 - Fri, May 16
BWI
Baltimore
IAH
Houston
$131 Roundtrip, just found
$131
Roundtrip
just found
Select Spirit Airlines flight, departing Tue, May 6 from Baltimore to Houston, returning Fri, May 16, priced at $131 just found
Spirit Airlines
Fri, May 9 - Sun, May 11
BWI
Baltimore
IAH
Houston
$132 Roundtrip, just found
$132
Roundtrip
just found
Select Spirit Airlines flight, departing Fri, May 9 from Baltimore to Houston, returning Sun, May 11, priced at $132 just found
Spirit Airlines
Sat, May 3 - Thu, May 8
BWI
Baltimore
IAH
Houston
$134 Roundtrip, found 4 hours ago
$134
Roundtrip
found 4 hours ago
Select Spirit Airlines flight, departing Sat, May 3 from Baltimore to Houston, returning Thu, May 8, priced at $134 found 4 hours ago
United
Sat, May 10 - Tue, May 13
BWI
Baltimore
IAH
Houston
$197 Roundtrip, just found
$197
Roundtrip
just found
Select United flight, departing Sat, May 10 from Baltimore to Houston, returning Tue, May 13, priced at $197 just found
Southwest Airlines
Sat, May 10 - Tue, May 13
BWI
Baltimore
HOU
Houston
$197 Roundtrip, just found
$197
Roundtrip
just found
Select Southwest Airlines flight, departing Sat, May 10 from Baltimore to Houston, returning Tue, May 13, priced at $197 just found
American Airlines
Sat, May 10 - Tue, May 13
BWI
Baltimore
IAH
Houston
$217 Roundtrip, just found
$217
Roundtrip
just found
Select American Airlines flight, departing Sat, May 10 from Baltimore to Houston, returning Tue, May 13, priced at $217 just found
Frontier Airlines
Fri, May 9 - Mon, May 12
BWI
Baltimore
IAH
Houston
$250 Roundtrip, just found
$250
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, May 9 from Baltimore to Houston, returning Mon, May 12, priced at $250 just found
Flights from Baltimore (BWI) to Houston (IAH)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
George Bush Intercontinental
Airlines serving
American Airlines, Delta, Southwest Airlines, Sun Country Airlines
Roundtrip price
$122
Distance
1233 mi

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 May. 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 2025. You can also book with separate airlines for your outbound and return journeys, from $61 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 Washington Intl. Thurgood Marshall Airport (BWI) to William P. Hobby Airport (HOU) cost?
Pick up cheap return fares starting at $160 from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to William P. Hobby Airport (HOU). 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 Southwest Airlines and Spirit Airlines flight leaving BWI on April 30 2025 and touching down at HOU. The price was last updated on April 10 2025 and has not changed since.
What is the cheapest month to fly from BWI to HOU?
Lock in a cheap ticket by booking your nonstop flight from BWI to HOU in June. You can find a one-way Southwest Airlines flight for $99 leaving on June 4 2025. This price is based on the cheapest direct flight found on Expedia for this route in the next 330 days. The price was last updated on April 10 2025 and remains unchanged.
Which airlines fly direct from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to William P. Hobby Airport (HOU)?
Board a nonstop flight with Southwest Airlines and journey straight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to William P. Hobby Airport (HOU).
What is the cheapest airline that flies from BWI to HOU?
Book a flight from BWI to HOU with Southwest Airlines. This airline currently offers the cheapest one-way fare on this route, starting at $99. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from BWI on June 4 2025. Prices were last updated on April 10 2025 and have not changed since.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to William P. Hobby Airport (HOU)?
Every day, an average of 3 nonstop flights operate from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to William P. Hobby Airport (HOU). Pick the departure time that best fits your itinerary.
What are the most popular departure times for flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to William P. Hobby Airport (HOU)?
The 6 AM departures from BWI to HOU are the busiest. They can also be more expensive. If you’re hoping to save money, choose a less crowded time to fly.
What day of the week has the most flights from BWI to HOU?
If you fly on a Saturday, you’ll get the greatest range of options for flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to William P. Hobby Airport (HOU).
What is the earliest flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to William P. Hobby Airport (HOU)?
The earliest flight departing from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) is at around 6:10AM UTC-5. Board this flight and you’ll land at William P. Hobby Airport (HOU) at approximately 9:00AM UTC-6. The total flight duration is 3h 50m.
How long does it take to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to William P. Hobby Airport (HOU)?
Flights from BWI to HOU have an average travel time of 3 hours and 46 minutes. The total distance between the two is 1,250 mi.
What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to William P. Hobby Airport (HOU)?
To avoid potential delays on the Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to William P. Hobby Airport (HOU) route, travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
If you’re leaving on a direct flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Houston, you’ll touch down at either George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU).
Is it cheaper to buy a plane ticket from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to William P. Hobby Airport (HOU) last-minute?
Last-minute bookings from BWI to HOU are usually more expensive. To lock in the best rates, start searching for flights well ahead of time. That said, if you can play around with your travel dates, it’s possible to land a cheap fare right before your journey.
Is it cheaper to book a BWI to HOU flight and hotel package?
Opting for a BWI to HOU flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our wide range of hotels and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to William P. Hobby Airport (HOU)?
If you reserved your BWI to HOU flight in 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 that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

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*Available to One Key members.