Direct (nonstop) flights from Houston to Baltimore

3 airlines fly nonstop from George Bush Intcntl Houston (IAH) to Baltimore Washington International (BWI). It's 1,235 miles (1,987 km), about 3h 7m in the air. Operated by Frontier Airlines, Spirit Airlines, United Airlines.

IAH
George Bush Intcntl Houston
🇺🇸 Houston, USA
BWI
Baltimore Washington International
🇺🇸 Baltimore, USA
Flight Time
3h 7m
Distance
1,235 mi
1,987 km
CO₂/pax
209 kg
−41 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 23, 2026

Airlines with non-stop flights

Frontier Airlines F9 Frontier Airlines
Route
IAH → BWI
Flight Time
3h 7m
Distance
1,235 mi
Spirit Airlines NK Spirit Airlines
Route
IAH → BWI
Flight Time
3h 7m
Distance
1,235 mi
United Airlines UA United Airlines
Route
IAH → BWI
Flight Time
3h 7m
Distance
1,235 mi

Alternative Routes

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

IAH MSY (New Orleans) BWI
Leg 1: 1h 15m (304 mi) Leg 2: 2h 30m (999 mi) Total: ~3h 45m 🍃 250 kg CO₂ (+20% vs. direct)
Leg 1
IAH → MSY
1h 15m · 304 mi
View IAH to MSY flights →
Leg 2
MSY → BWI
2h 30m · 999 mi
View MSY to BWI flights →
IAH GSP (Greenville) BWI
Leg 1: 2h 18m (837 mi) Leg 2: 1h 30m (426 mi) Total: ~3h 48m 🍃 259 kg CO₂ (+24% vs. direct)
Leg 1
IAH → GSP
2h 18m · 837 mi
View IAH to GSP flights →
Leg 2
GSP → BWI
1h 30m · 426 mi
View GSP to BWI flights →
IAH MEM (Memphis) BWI
Leg 1: 1h 40m (468 mi) Leg 2: 2h 10m (787 mi) Total: ~3h 50m 🍃 258 kg CO₂ (+23% vs. direct)
Leg 1
IAH → MEM
1h 40m · 468 mi
View IAH to MEM flights →
Leg 2
MEM → BWI
2h 10m · 787 mi
View MEM to BWI flights →
IAH BNA (Nashville) BWI
Leg 1: 2h 1m (657 mi) Leg 2: 1h 50m (587 mi) Total: ~3h 51m 🍃 256 kg CO₂ (+22% vs. direct)
Leg 1
IAH → BNA
2h 1m · 657 mi
View IAH to BNA flights →
Leg 2
BNA → BWI
1h 50m · 587 mi
View BNA to BWI flights →
IAH RDU (Raleigh/Durham) BWI
Leg 1: 2h 43m (1,042 mi) Leg 2: 1h 10m (256 mi) Total: ~3h 53m 🍃 248 kg CO₂ (+19% vs. direct)
Leg 1
IAH → RDU
2h 43m · 1,042 mi
View IAH to RDU flights →
Leg 2
RDU → BWI
1h 10m · 256 mi
View RDU to BWI flights →

Frequently Asked Questions

How long is the direct flight from Houston to Baltimore?

A nonstop flight from Houston (IAH) to Baltimore (BWI) takes approximately 3 hours and 7 minutes. The distance is 1,235 miles (1,987 km).

Which airlines fly nonstop from Houston to Baltimore?

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

Is there a nonstop flight from Houston to Baltimore?

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

How far is Houston from Baltimore?

The flight distance from Houston to Baltimore 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 Houston to Baltimore?

At 3h 7m, 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 Houston to Baltimore?

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

Is the return flight from Baltimore to Houston 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 Houston to Baltimore?

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 George Bush Intcntl Houston for this flight?

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