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BWI to IAH: distance & flight time
Baltimore (Baltimore/Washington International Thurgood Marshall Airport) → Houston (George Bush Intercontinental Houston Airport)
1,234 mi
1,986 km · 1,072 nm
3h 9m
estimated nonstop flight time
-1h
time difference · heading southwest
See live BWI→IAH fares Phone-only fares on this route — call free
Flight time details
1,234 miles nonstop takes roughly 3h 9m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- BWI — Baltimore/Washington International Thurgood Marshall Airport · Baltimore, United States
- IAH — George Bush Intercontinental Houston Airport · Houston, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near BWI
- DCA · Ronald Reagan Washington National Airport30 mi away
- IAD · Washington Dulles International Airport45 mi away
- FME · Tipton Airport8 mi away
- ANP · Lee Airport17 mi away
Near IAH
- DWH · David Wayne Hooks Memorial Airport14 mi away
- IWS · West Houston Airport23 mi away
- AAP · Andrau Airpark23 mi away
- HOU · William P Hobby Airport24 mi away
Frequently asked questions
How far is BWI from IAH?
The flight distance from Baltimore (BWI) to Houston (IAH) is 1,234 miles (1,986 km, 1,072 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BWI to IAH?
A nonstop flight takes about 3h 9m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Baltimore and Houston?
Houston is 1 hour behind Baltimore.
What is the cheapest way to fly from BWI to IAH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BWI–IAH that never appear on search engines, with no booking fees.