$66 Cheap Flights from Houston (HOU) to Baltimore (BWI)

View $66 flight on Thu, May 15, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Houston to Baltimore (HOU-BWI)

Prices were available within the past 7 days and start at $66 for one-way flights and $132 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Thu, May 15 - Mon, May 19
IAH
Houston
BWI
Baltimore
$132 Roundtrip, found 1 hour ago
$132
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Thu, May 15 from Houston to Baltimore, returning Mon, May 19, priced at $132 found 1 hour ago
Spirit Airlines
Thu, May 8 - Tue, May 13
IAH
Houston
BWI
Baltimore
$136 Roundtrip, found 1 hour ago
$136
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Thu, May 8 from Houston to Baltimore, returning Tue, May 13, priced at $136 found 1 hour ago
Spirit Airlines
Wed, May 7 - Thu, May 15
IAH
Houston
BWI
Baltimore
$137 Roundtrip, found 5 hours ago
$137
Roundtrip
found 5 hours ago
Select Spirit Airlines flight, departing Wed, May 7 from Houston to Baltimore, returning Thu, May 15, priced at $137 found 5 hours ago
Spirit Airlines
Thu, May 15 - Sun, May 25
IAH
Houston
BWI
Baltimore
$140 Roundtrip, just found
$140
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, May 15 from Houston to Baltimore, returning Sun, May 25, priced at $140 just found
Spirit Airlines
Fri, May 9 - Tue, May 13
IAH
Houston
BWI
Baltimore
$142 Roundtrip, just found
$142
Roundtrip
just found
Select Spirit Airlines flight, departing Fri, May 9 from Houston to Baltimore, returning Tue, May 13, priced at $142 just found
Spirit Airlines
Wed, May 7 - Tue, May 13
IAH
Houston
BWI
Baltimore
$142 Roundtrip, found 9 hours ago
$142
Roundtrip
found 9 hours ago
Select Spirit Airlines flight, departing Wed, May 7 from Houston to Baltimore, returning Tue, May 13, priced at $142 found 9 hours ago
Southwest Airlines
Thu, Jul 3 - Fri, Jul 4
HOU
Houston
BWI
Baltimore
$207 Roundtrip, found 2 days ago
$207
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Thu, Jul 3 from Houston to Baltimore, returning Fri, Jul 4, priced at $207 found 2 days ago
United
Wed, Jul 2 - Sat, Jul 12
IAH
Houston
BWI
Baltimore
$207 Roundtrip, just found
$207
Roundtrip
just found
Select United flight, departing Wed, Jul 2 from Houston to Baltimore, returning Sat, Jul 12, priced at $207 just found
Frontier Airlines
Fri, May 16 - Sun, May 18
IAH
Houston
BWI
Baltimore
$250 Roundtrip, just found
$250
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, May 16 from Houston to Baltimore, returning Sun, May 18, priced at $250 just found
Sun Country Airlines
Sun, Jul 20 - Fri, Jul 25
HOU
Houston
BWI
Baltimore
$327 Roundtrip, found 3 days ago
$327
Roundtrip
found 3 days ago
Select Sun Country Airlines flight, departing Sun, Jul 20 from Houston to Baltimore, returning Fri, Jul 25, priced at $327 found 3 days ago
Flights from Houston (IAH) to Baltimore (BWI)
Origin airport
George Bush Intercontinental
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
American Airlines, Delta, Southwest Airlines
Roundtrip price
$132
Distance
1233 mi

Houston to Baltimore Flights

The cheapest times to fly from Houston to Baltimore

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

The best time to book a flight from Houston to Baltimore

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

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 Baltimore in 2025. You can also book with separate airlines for your outbound and return journeys, from $66 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 Baltimore 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 Baltimore 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 William P. Hobby Airport (HOU) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) cost?
You can find cheap return tickets from William P. Hobby Airport (HOU) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) starting from $165. Reserve your seat and get ready to go. 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 HOU on May 11 2025 and touching down at BWI. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from HOU to BWI?
The cheapest flights from HOU to BWI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from William P. Hobby Airport (HOU) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
If you’re departing from William P. Hobby Airport (HOU), you can board a nonstop flight to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) with Southwest Airlines.
What is the cheapest airline that flies from HOU to BWI?
Jet off from HOU to BWI with Southwest Airlines. This carrier currently offers the cheapest one-way fare for this route, starting from $99. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from HOU on July 5 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from William P. Hobby Airport (HOU) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
With an average of 3 nonstop flights departing from William P. Hobby Airport (HOU) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) each day, you’ll be on your way in no time.
What are the most popular departure times for flights from William P. Hobby Airport (HOU) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
More passengers fly between HOU and BWI at 6 AM than at any other time of day. Prefer a quieter experience? Travel outside of rush hours and it’s possible you’ll save on your fare as well.
What day of the week has the most flights from HOU to BWI?
Travel on a Saturday if you’re after the largest selection of flights from William P. Hobby Airport (HOU) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI).
What is the earliest flight from William P. Hobby Airport (HOU) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
William P. Hobby Airport (HOU)’s first flight to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) leaves at approximately 5:55AM UTC-6. With a total flight time of 2h 50m, you’ll land at around 9:45AM UTC-5.
How long does it take to fly from William P. Hobby Airport (HOU) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Flights from HOU to BWI have an average travel time of 2 hours and 50 minutes. The distance between the two is 1,250 mi.
What is the best time to fly from William P. Hobby Airport (HOU) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Choose a flight from William P. Hobby Airport (HOU) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this time are on average 22% more likely to be 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 Baltimore from William P. Hobby Airport (HOU)?
You’ll touch down at Ronald Reagan Washington National Airport (DCA) or Baltimore Washington Intl. Thurgood Marshall Airport (BWI) when traveling to Baltimore on a direct flight from William P. Hobby Airport (HOU).
Is it cheaper to buy a plane ticket from William P. Hobby Airport (HOU) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) last-minute?
Waiting until just before your trip to book your flight from HOU to BWI often results in higher prices. Although you may find some last-minute discounts, there’s no guarantee. Keep your travel plans flexible to maximize your chances of landing a bargain.
Is it cheaper to book a HOU to BWI flight and hotel package?
You’ll typically save money by securing a HOU to BWI flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one convenient place. Once you’ve selected your preferred flights and accommodations, you can add extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from William P. Hobby Airport (HOU) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
You can usually reschedule or cancel your HOU to BWI flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are possible and whether any costs are involved. You’ll also find more information on our Customer Service portal.

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*Available to One Key members.