$119 Cheap Delta flights Houston (IAH) to Baltimore (BWI)

View $119 flight on Thu, Sep 25, 2025Opens in a new window

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$119 Cheap Delta flights Houston (IAH) to Baltimore (BWI)

Prices were available within the past 7 days and start at $119 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 6 mins

Frequently asked questions

How much is a Delta Air Lines flight from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
You can discover cheap round-trip Delta Air Lines flights from IAH to BWI by filtering your results from "Price (lowest to highest)" on Expedia. Or search for deals from $119 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 Delta Air Lines?
January is one of the least expensive months to jet away to Baltimore with Delta Air Lines. You could also find fantastic deals on one-way and return tickets in February.
What is the cheapest time to book flights from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) with Delta Air Lines?
To find cheap Delta Air Lines fares from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence what you pay. Sunday is typically the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking on a Sunday.**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 Delta Air Lines fly nonstop from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Use the "Nonstop" filter when looking for direct Delta Air Lines flights from IAH to BWI. It's also an easy way to compare other airlines offering the same direct route.
What is the earliest Delta Air Lines flight from IAH to BWI?
To find the earliest departures from IAH to BWI with Delta Air Lines, filter your search by "Early Morning" and "Morning." Booking an early flight usually means you'll experience fewer cancellations.**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 Delta Air Lines fly into in Baltimore?
Catch a Delta Air Lines flight from George Bush Intercontinental Airport (IAH) to Baltimore, and you'll most likely land at Baltimore Washington Intl. Thurgood Marshall Airport (BWI). This is the airline's main hub here.
Why fly with Delta Air Lines from IAH to BWI?
Taking off from IAH to BWI with Delta Air Lines comes with a range of perks, including an excellent in-flight experience and a rewarding loyalty program. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to spend on select future travel purchases. That's on top of the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from George Bush Intercontinental Airport (IAH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Typically, you can cancel or reschedule your flight, although additional fees may apply if you booked more than 24 hours ago. Prefer to keep your options open? Apply the "No cancel fee" or "Changes included" filter to find flights that won't penalize you if you need to adjust your plans. To update your booking, visit "Trips," select your flight and click on "Manage Booking" for more details.

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*Available to One Key members.