Route guide · 1,234 miles
Cheap Flights from Baltimore to Houston
BWI → IAH · Nonstop 3h 0m · Live round-trip fares
Looking for cheap flights from Baltimore to Houston? You're in the right place. Airfare Deal tracks live fares on this 1,234-mile route around the clock. As a rule of thumb, booking 3–6 weeks ahead lands the best prices — and a free fare alert means you never have to keep refreshing the page.
Live fares for BWI → IAH are updating. Use the search below for real-time prices.
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Updated daily
Flight time
3h 0m
Nonstop, typical
Distance
1,234 mi
BWI → IAH
Book ahead
3–6 weeks
Best window, typically
Nonstop airlines
1
United Airlines
Nonstop flights from Baltimore to Houston
Want to skip the layover? Nonstops from Baltimore to Houston are flown by United Airlines, getting you there in about 3h 0m. For the lowest fares, book around 3–6 weeks before departure — last-minute nonstops on this route rarely come cheap.
Booking insights: Baltimore → Houston
- Distance: 1,234 miles · nonstop flight time: 3h 0m.
- Rule of thumb for this route: the sweet spot is usually 3–6 weeks before departure.
- Midweek departures (Tue–Thu) are consistently cheaper than weekend flights.
- Set a free Airfare Deal alert instead of checking daily — the best fares can sell out in hours.
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Flying from Baltimore to Houston: what you need to know
The flight
Baltimore to Houston is a proper cross-country leg — 1,234 miles and around 3h 0m in the air nonstop. Download entertainment before you board, bring a full water bottle, and think about the time change: even a two-hour shift can leave you groggy if you land late and start early.
Airlines on this route
United Airlines flies this route nonstop. That matters more than it sounds: the cheapest fare on one carrier is rarely the same product as the cheapest on another. Checked-bag fees, free seat selection and change rules all differ, so compare the full trip cost before you pick a winner. See our airline guides for exactly what each carrier charges — then send an enquiry and we'll confirm the all-in price for your dates.
Leaving from Baltimore (BWI)
Plan to be at the airport two hours before a domestic departure — ninety minutes can work at smaller airports outside peak times, but security lines are the one variable you can't control. If you're checking a bag, add time rather than cutting it close. Our Baltimore airport guide covers terminals, parking and ground transport so you can plan the trip to the airport, not just the flight.
Arriving in Houston (IAH)
Before you land, know how you're getting from the airport to where you're staying — it's the part of the trip people forget to plan. The Houston airport guide lays out your ground options, from transit and shuttles to rideshares and rental cars. Flying back the other way? Check Houston to Baltimore fares — prices on the return direction often move on a different rhythm.
When to book
For a trip of 1,234 miles, booking 3–6 weeks ahead typically lands you in the sweet spot. Leave it to the final two weeks and prices usually climb as the cheapest seats sell out. If your dates are flexible, midweek departures are where the lower fares hide on most domestic routes.
Good to know before you go
- Flexible dates? Search a few days either side — one day can change the fare a lot.
- Morning flights are delayed less often than evening ones — earlier departures have the best on-time record.
- Basic economy fares often exclude checked bags and seat selection. Price the whole trip, not the headline fare.
- Get to the airport two hours before departure; security, not the flight, is the part that runs late.
- If you're traveling with only a carry-on, you can skip the bag-drop line entirely with mobile check-in.
Baltimore to Houston flight FAQs
How long is the flight from BWI to IAH?
Nonstop flights from Baltimore to Houston take about 3h 0m and cover roughly 1,234 miles. One-stop itineraries add 2–4 hours depending on the layover city.
Are there nonstop flights from Baltimore to Houston?
Yes — look for United Airlines on this route. Nonstop seats are usually priced best 3–6 weeks before departure.
What is the cheapest month to fly from Baltimore to Houston?
Travelers usually find the gentlest prices away from peak periods — think post-holiday January and the early-fall weeks. Midweek dates inside those windows are cheaper still.
How much are last minute flights from BWI to IAH?
Book inside the final week and you'll usually pay a premium on BWI to IAH. Fares booked 3–6 weeks ahead are almost always kinder.
What is a good round-trip deal from Baltimore to Houston?
A good deal is anything at or below the recent fares shown above. Set a free Airfare Deal alert and we'll ping you the moment fares drop.
Which airlines fly from Baltimore to Houston?
The main carriers on this route are United Airlines. Comparing all of them on the live search below usually surfaces the lowest fare for your dates.
How early should I get to Baltimore airport for this flight?
Plan on two hours before departure for a domestic flight — ninety minutes can work at smaller airports outside peak times. If you're checking a bag, earlier is better; the bag-drop line, not the flight, is what runs late.
Do the cheapest fares on this route include a checked bag?
Usually not. Basic economy fares on most airlines include a carry-on but charge extra for checked bags, and seat selection can cost more too. Add up the real total before comparing — a slightly higher regular fare sometimes works out cheaper. Our team confirms the full breakdown with you before you pay.
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