$89 Cheap United flights Houston (IAH) to Baltimore (BWI)

View $89 flight on Sat, Oct 18, 2025Opens in a new window

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$89 Cheap United flights Houston (IAH) to Baltimore (BWI)

Prices were available within the past 7 days and start at $89 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Houston (IAH) to Baltimore (BWI)
Origin airport
George Bush Intercontinental
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Spirit Airlines, United
Popular airline
Spirit Airlines
Distance
1233 mi
Average flight time
4 hours 7 mins

Frequently asked questions

How much is a United Airlines flight from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
You can discover affordable return United Airlines flights from IAH to BWI by organizing your results from "Price (lowest to highest)" on Expedia. Or look for deals from $89 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from IAH to BWI with United Airlines?
Look for one-way or round-trip flights to Baltimore in January or February. You could find cheaper fares with United Airlines during these off-peak months.
What is the cheapest time to book flights from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) with United Airlines?
Begin your search one to three months before your departure to score cheap fares on United Airlines flights from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, and you can enjoy significant savings on domestic journeys.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
You can easily fly from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) on any of United Airlines's 13 weekly direct flights. Make use of our "Nonstop" and "Airline" filters to find the United Airlines flight that'll get you to BWI at a time that suits you.
How long does it take to fly from IAH to BWI with United Airlines?
The travel time for a direct United Airlines flight from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) takes around 3h 4m.
Which day of the week has the most United Airlines flights from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
If flexibility is what you're after, Thursday offers the most choice for United Airlines flights from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). Take your pick of 2 different departures.
What is the earliest United Airlines flight from IAH to BWI?
Setting off from IAH at 12:15PM UTC-6, the earliest United Airlines flight to BWI arrives at 4:20PM UTC-5. Traveling earlier in the day means you're less likely to encounter delays or cancellations.* Not an early riser? The last United Airlines flight from IAH to BWI departs at 6:10PM UTC-6 and touches down at 10:14PM UTC-5.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Baltimore?
United Airlines flights from George Bush Intercontinental Airport (IAH) to Baltimore touch down at Baltimore Washington Intl. Thurgood Marshall Airport (BWI), Ronald Reagan Washington National Airport (DCA) and Washington Dulles Intl. Airport (IAD). The main Baltimore hub served by this airline is BWI. It's worth looking into flights arriving at other nearby airports on Expedia as they may offer cheaper prices.
Why fly with United Airlines from IAH to BWI?
A rewarding loyalty program and the opportunity to collect points through United Mileage Plus are the start of the reasons to travel from IAH to BWI with United Airlines. Plus, when you join Expedia's free One Key™ program, you can receive OneKeyCash™* on top of any airline loyalty program earnings. You can put it toward your future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
For the George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) route, United Airlines typically uses Boeing 737 MAX 8 and Airbus A320 planes. Remember that last-minute changes are possible for operational needs, meaning your flight may be on another aircraft.
Can I change or cancel my United Airlines flight from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Depending on your ticket type, a fee may apply if you modify or cancel your flight more than 24 hours after it has been confirmed. To find flexible fares, select our "Changes included" and "No cancel fee" boxes when you search for flights. For more details on modifying or canceling your reservation, visit "Trips," select your flight and click on "Manage Booking."

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