$38 Cheap Flights from Houston (IAH) to Baltimore (BWI)

View $38 flight on Thu, Dec 11, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Airport (BWI)

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Cheap Flights from Houston to Baltimore (IAH-BWI)

Prices were available within the past 7 days and start at $38 for one-way flights and $58 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Jan 15 - Sun, Jan 18
IAH
Houston
BWI
Baltimore
$58 Roundtrip, found 2 hours ago
$58
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Jan 15 from Houston to Baltimore, returning Sun, Jan 18, priced at $58 found 2 hours ago
Frontier Airlines
Thu, Jan 22 - Tue, Jan 27
IAH
Houston
BWI
Baltimore
$67 Roundtrip, found 2 hours ago
$67
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Jan 22 from Houston to Baltimore, returning Tue, Jan 27, priced at $67 found 2 hours ago
Frontier Airlines
Thu, Dec 11 - Tue, Dec 16
IAH
Houston
BWI
Baltimore
$76 Roundtrip, found 2 hours ago
$76
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Dec 11 from Houston to Baltimore, returning Tue, Dec 16, priced at $76 found 2 hours ago
Spirit Airlines
Thu, Dec 11 - Sat, Dec 13
IAH
Houston
BWI
Baltimore
$76 Roundtrip, just found
$76
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, Dec 11 from Houston to Baltimore, returning Sat, Dec 13, priced at $76 just found
Frontier Airlines
Tue, Nov 25 - Thu, Dec 4
IAH
Houston
BWI
Baltimore
$77 Roundtrip, found 16 hours ago
$77
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Tue, Nov 25 from Houston to Baltimore, returning Thu, Dec 4, priced at $77 found 16 hours ago
Frontier Airlines
Thu, Jan 22 - Tue, Jan 27
IAH
Houston
BWI
Baltimore
$86 Roundtrip, found 2 hours ago
$86
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Jan 22 from Houston to Baltimore, returning Tue, Jan 27, priced at $86 found 2 hours ago
Frontier Airlines
Sun, Jan 25 - Thu, Jan 29
IAH
Houston
BWI
Baltimore
$87 Roundtrip, found 4 hours ago
$87
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Sun, Jan 25 from Houston to Baltimore, returning Thu, Jan 29, priced at $87 found 4 hours ago
United
Thu, Jan 15 - Mon, Jan 19
IAH
Houston
BWI
Baltimore
$137 Roundtrip, just found
$137
Roundtrip
just found
Select United flight, departing Thu, Jan 15 from Houston to Baltimore, returning Mon, Jan 19, priced at $137 just found
American Airlines
Thu, Jan 22 - Sun, Jan 25
IAH
Houston
BWI
Baltimore
$187 Roundtrip, just found
$187
Roundtrip
just found
Select American Airlines flight, departing Thu, Jan 22 from Houston to Baltimore, returning Sun, Jan 25, priced at $187 just found
Alaska Airlines
Tue, Jan 27 - Tue, Feb 3
IAH
Houston
BWI
Baltimore
$467 Roundtrip, found 20 hours ago
$467
Roundtrip
found 20 hours ago
Select Alaska Airlines flight, departing Tue, Jan 27 from Houston to Baltimore, returning Tue, Feb 3, priced at $467 found 20 hours ago

Find the cheapest month to fly from Houston (IAH) to Baltimore (BWI)

September is typically the cheapest month to fly

From $60 - $95 per traveler.

Alternative airports near Baltimore

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Average driving time to city center is 57 minutes. Flights from $461
DCA
Ronald Reagan Washington National
Average driving time to city center57 min
Flights from $461

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) cost?
Secure a cheap one-way flight from $38 or cheap return flight from $58 from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
January is the most affordable month to fly from IAH to BWI. Traveling outside of peak seasons is often the key to finding better deals on flights.
Which airlines fly direct from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Jump on a direct flight with United Airlines and fly straight from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI).
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Spirit Airlines and United Airlines are some well-known airlines offering reasonable fares. Remember that flight prices from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) can vary depending on travel dates, demand and how early you book. With Expedia's filter tool, you can easily find an IAH to BWI flight that fits your preferences and budget.
How many flights per day from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
When jetting out of George Bush Intercontinental Airport (IAH), you'll have your pick from an average of 3 daily nonstop flights to Baltimore Washington Intl. Thurgood Marshall Airport (BWI).
What are the most popular departure times for flights from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Flights between IAH and BWI are their busiest at 6 PM. If you'd like a less crowded experience and possibly cheaper prices, look for a departure outside the usual busy windows.
What day of the week has the most flights from IAH to BWI?
Jet off on a Sunday if you're searching for the best selection of flights from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI).
What is the earliest flight from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
The first flight of the day jetting off from George Bush Intercontinental Airport (IAH) is at around 6:05AM UTC-6. Catch this flight and you'll arrive at Baltimore Washington Intl. Thurgood Marshall Airport (BWI) at approximately 10:02AM UTC-5. The entire trip takes 2h 57m.
How long does it take to fly from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Flights from IAH to BWI have an average travel time of 3 hours and 2 minutes. The distance between these two airports is 1,250 mi.
What airline has the least delays from IAH to BWI?
With 82% of flights typically arriving on schedule, United Airlines has the best on-time performance for direct flights from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). To monitor your flight status and get notified about any changes, simply head to the Expedia App.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
To avoid possible delays on the George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) route, travel before 3 PM. Later flights have a 22% higher chance of being 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 George Bush Intercontinental Airport (IAH)?
George Bush Intercontinental Airport (IAH) offers direct flights to Baltimore. These are a few of the airports you can fly to without layovers:

  • Ronald Reagan Washington National Airport (DCA)
  • Washington Dulles Intl. Airport (IAD)
  • Baltimore Washington Intl. Thurgood Marshall Airport (BWI)

Is it cheaper to buy a plane ticket from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) last-minute?
Last-minute fares from IAH to BWI are usually more expensive. For the lowest rates, start looking for flights well in advance. That being said, if your travel plans are flexible, it's possible to score a cheap ticket right before your journey.
Is it cheaper to book an IAH to BWI flight and hotel package?
Securing an IAH to BWI flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our impressive range of stays and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
It's generally possible to cancel or reschedule your IAH to BWI flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

0
Origin airport
George Bush Intercontinental
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Spirit Airlines, United
Roundtrip price
$58
Distance
1233 mi

Book with confidence

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 January. 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 $38 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.

 

Houston to Baltimore Flights

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*Available to One Key members.