Direct (nonstop) flights from Houston to Atlanta

4 airlines fly nonstop from George Bush Intcntl Houston (IAH) to Hartsfield–Jackson Atlanta International Airport (ATL). It's 688 miles (1,107 km), about 2h 6m in the air. Operated by Delta Air Lines, Frontier Airlines, Spirit Airlines and others.

IAH
George Bush Intcntl Houston
🇺🇸 Houston, USA
ATL
Hartsfield–Jackson Atlanta International Airport
🇺🇸 Atlanta, USA
Flight Time
2h 6m
Distance
688 mi
1,107 km
CO₂/pax
127 kg
−33 kg vs. layover
Airlines
4
Delta Air Lines +3
Time Diff
+1h
Operated by Delta Air Lines Delta Air Lines Frontier Airlines Frontier Airlines Spirit Airlines Spirit Airlines United Airlines United Airlines

Route data last updated: May 30, 2026

Airlines with non-stop flights

Delta Air Lines DL Delta Air Lines
Route
IAH → ATL
Flight Time
2h 6m
Distance
688 mi
Frontier Airlines F9 Frontier Airlines
Route
IAH → ATL
Flight Time
2h 6m
Distance
688 mi
Spirit Airlines NK Spirit Airlines
Route
IAH → ATL
Flight Time
2h 6m
Distance
688 mi
United Airlines UA United Airlines
Route
IAH → ATL
Flight Time
2h 6m
Distance
688 mi

Alternative Routes

Other ways to fly from Houston to Atlanta with one stop · direct emits 127 kg CO₂ per passenger

IAH MSY (New Orleans) ATL
Leg 1: 1h 15m (304 mi) Leg 2: 1h 31m (424 mi) Total: ~2h 46m 🍃 160 kg CO₂ (+26% vs. direct)
Leg 1
IAH → MSY
1h 15m · 304 mi
View IAH to MSY flights →
Leg 2
MSY → ATL
1h 31m · 424 mi
View MSY to ATL flights →
IAH JAN (Jackson) ATL
Leg 1: 1h 26m (350 mi) Leg 2: 1h 22m (339 mi) Total: ~2h 48m 🍃 153 kg CO₂ (+20% vs. direct)
Leg 1
IAH → JAN
1h 26m · 350 mi
View IAH to JAN flights →
Leg 2
JAN → ATL
1h 22m · 339 mi
View JAN to ATL flights →
IAH BTR (Baton Rouge) ATL
Leg 1: 1h 13m (253 mi) Leg 2: 1h 38m (448 mi) Total: ~2h 51m 🍃 155 kg CO₂ (+22% vs. direct)
Leg 1
IAH → BTR
1h 13m · 253 mi
View IAH to BTR flights →
Leg 2
BTR → ATL
1h 38m · 448 mi
View BTR to ATL flights →
IAH MOB (Mobile) ATL
Leg 1: 1h 33m (426 mi) Leg 2: 1h 21m (301 mi) Total: ~2h 54m 🍃 160 kg CO₂ (+26% vs. direct)
Leg 1
IAH → MOB
1h 33m · 426 mi
View IAH to MOB flights →
Leg 2
MOB → ATL
1h 21m · 301 mi
View MOB to ATL flights →
IAH AEX (Alexandria) ATL
Leg 1: 1h 8m (190 mi) Leg 2: 1h 46m (499 mi) Total: ~2h 54m 🍃 152 kg CO₂ (+20% vs. direct)
Leg 1
IAH → AEX
1h 8m · 190 mi
View IAH to AEX flights →
Leg 2
AEX → ATL
1h 46m · 499 mi
View AEX to ATL flights →

Looking for the return flight?

ATL → IAH: Flights from Atlanta to Houston

Frequently Asked Questions

How long is the direct flight from Houston to Atlanta?

A nonstop flight from Houston (IAH) to Atlanta (ATL) takes approximately 2 hours and 6 minutes. The distance is 688 miles (1,107 km).

Which airlines fly nonstop from Houston to Atlanta?

4 airlines: Delta Air Lines, Frontier Airlines, Spirit Airlines, United Airlines.

Is there a nonstop flight from Houston to Atlanta?

Yes. 4 airlines: Delta Air Lines, Frontier Airlines, Spirit Airlines, United Airlines.

How far is Houston from Atlanta?

The flight distance from Houston to Atlanta is 688 miles (1,107 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as the length of Italy.

What type of aircraft flies from Houston to Atlanta?

At 2h 6m, 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 Atlanta?

Roughly 127 kg CO2 per passenger one-way. That's about the same as driving 635 km.

Is the return flight from Atlanta 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 Atlanta?

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.