Direct (nonstop) flights from Baltimore to Houston

3 airlines fly nonstop from Baltimore Washington International (BWI) to George Bush Intcntl Houston (IAH). It's 1,235 miles (1,987 km), about 3h 23m in the air. Operated by Frontier Airlines, Spirit Airlines, United Airlines.

BWI
Baltimore Washington International
🇺🇸 Baltimore, USA
IAH
George Bush Intcntl Houston
🇺🇸 Houston, USA
Flight Time
3h 23m
Distance
1,235 mi
1,987 km
CO₂/pax
209 kg
−45 kg vs. layover
Airlines
3
Frontier Airlines +2
Time Diff
-1h
Operated by Frontier Airlines Frontier Airlines Spirit Airlines Spirit Airlines United Airlines United Airlines

Route data last updated: May 27, 2026

Airlines with non-stop flights

Frontier Airlines F9 Frontier Airlines
Route
BWI → IAH
Flight Time
3h 23m
Distance
1,235 mi
Spirit Airlines NK Spirit Airlines
Route
BWI → IAH
Flight Time
3h 23m
Distance
1,235 mi
United Airlines UA United Airlines
Route
BWI → IAH
Flight Time
3h 23m
Distance
1,235 mi

Alternative Routes

Other ways to fly from Baltimore to Houston with one stop · direct emits 209 kg CO₂ per passenger

BWI TYS (Knoxville) IAH
Leg 1: 1h 40m (464 mi) Leg 2: 2h 29m (771 mi) Total: ~4h 9m 🍃 254 kg CO₂ (+22% vs. direct)
Leg 1
BWI → TYS
1h 40m · 464 mi
View BWI to TYS flights →
Leg 2
TYS → IAH
2h 29m · 771 mi
View TYS to IAH flights →
BWI GSP (Greenville) IAH
Leg 1: 1h 35m (426 mi) Leg 2: 2h 35m (837 mi) Total: ~4h 10m 🍃 259 kg CO₂ (+24% vs. direct)
Leg 1
BWI → GSP
1h 35m · 426 mi
View BWI to GSP flights →
Leg 2
GSP → IAH
2h 35m · 837 mi
View GSP to IAH flights →
BWI BHM (Birmingham) IAH
Leg 1: 2h 5m (682 mi) Leg 2: 2h 5m (562 mi) Total: ~4h 10m 🍃 255 kg CO₂ (+22% vs. direct)
Leg 1
BWI → BHM
2h 5m · 682 mi
View BWI to BHM flights →
Leg 2
BHM → IAH
2h 5m · 562 mi
View BHM to IAH flights →
BWI PNS (Pensacola) IAH
Leg 1: 2h 20m (846 mi) Leg 2: 1h 52m (488 mi) Total: ~4h 12m 🍃 272 kg CO₂ (+30% vs. direct)
Leg 1
BWI → PNS
2h 20m · 846 mi
View BWI to PNS flights →
Leg 2
PNS → IAH
1h 52m · 488 mi
View PNS to IAH flights →
BWI MSY (New Orleans) IAH
Leg 1: 2h 50m (999 mi) Leg 2: 1h 23m (304 mi) Total: ~4h 13m 🍃 250 kg CO₂ (+20% vs. direct)
Leg 1
BWI → MSY
2h 50m · 999 mi
View BWI to MSY flights →
Leg 2
MSY → IAH
1h 23m · 304 mi
View MSY to IAH flights →

Frequently Asked Questions

How long is the direct flight from Baltimore to Houston?

A nonstop flight from Baltimore (BWI) to Houston (IAH) takes approximately 3 hours and 23 minutes. The distance is 1,235 miles (1,987 km).

Which airlines fly nonstop from Baltimore to Houston?

3 airlines: Frontier Airlines, Spirit Airlines, United Airlines.

Is there a nonstop flight from Baltimore to Houston?

Yes. 3 airlines: Frontier Airlines, Spirit Airlines, United Airlines.

How far is Baltimore from Houston?

The flight distance from Baltimore to Houston is 1,235 miles (1,987 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Miami.

What type of aircraft flies from Baltimore to Houston?

At 3h 23m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.

What is the carbon footprint of a flight from Baltimore to Houston?

Roughly 209 kg CO2 per passenger one-way. That's about the same as driving 1,045 km.

Is the return flight from Houston to Baltimore also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from Baltimore to Houston?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.

How early should I arrive at Baltimore Washington International for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.