Direct (nonstop) flights from Houston to Washington

2 airlines fly nonstop from George Bush Intcntl Houston (IAH) to Ronald Reagan Washington National (DCA). It's 1,207 miles (1,943 km), about 3h 4m in the air. Operated by American Airlines, United Airlines.

IAH
George Bush Intcntl Houston
🇺🇸 Houston, USA
DCA
Ronald Reagan Washington National
🇺🇸 Washington, USA
Flight Time
3h 4m
Distance
1,207 mi
1,943 km
CO₂/pax
204 kg
−41 kg vs. layover
Airlines
2
American Airlines +1
Time Diff
+1h
Operated by American Airlines American Airlines United Airlines United Airlines

Route data last updated: May 29, 2026

Airlines with non-stop flights

American Airlines AA American Airlines
Route
IAH → DCA
Flight Time
3h 4m
Distance
1,207 mi
United Airlines UA United Airlines
Route
IAH → DCA
Flight Time
3h 4m
Distance
1,207 mi

Alternative Routes

Other ways to fly from Houston to Washington with one stop · direct emits 204 kg CO₂ per passenger

IAH MSY (New Orleans) DCA
Leg 1: 1h 15m (304 mi) Leg 2: 2h 34m (969 mi) Total: ~3h 49m 🍃 245 kg CO₂ (+20% vs. direct)
Leg 1
IAH → MSY
1h 15m · 304 mi
View IAH to MSY flights →
Leg 2
MSY → DCA
2h 34m · 969 mi
View MSY to DCA flights →
IAH BTR (Baton Rouge) DCA
Leg 1: 1h 13m (253 mi) Leg 2: 2h 37m (985 mi) Total: ~3h 50m 🍃 238 kg CO₂ (+17% vs. direct)
Leg 1
IAH → BTR
1h 13m · 253 mi
View IAH to BTR flights →
Leg 2
BTR → DCA
2h 37m · 985 mi
View BTR to DCA flights →
IAH BNA (Nashville) DCA
Leg 1: 2h 1m (657 mi) Leg 2: 1h 49m (560 mi) Total: ~3h 50m 🍃 251 kg CO₂ (+23% vs. direct)
Leg 1
IAH → BNA
2h 1m · 657 mi
View IAH to BNA flights →
Leg 2
BNA → DCA
1h 49m · 560 mi
View BNA to DCA flights →
IAH ATL (Atlanta) DCA
Leg 1: 2h 6m (688 mi) Leg 2: 1h 46m (547 mi) Total: ~3h 52m 🍃 253 kg CO₂ (+24% vs. direct)
Leg 1
IAH → ATL
2h 6m · 688 mi
View IAH to ATL flights →
Leg 2
ATL → DCA
1h 46m · 547 mi
View ATL to DCA flights →
IAH MEM (Memphis) DCA
Leg 1: 1h 40m (468 mi) Leg 2: 2h 16m (762 mi) Total: ~3h 56m 🍃 253 kg CO₂ (+24% vs. direct)
Leg 1
IAH → MEM
1h 40m · 468 mi
View IAH to MEM flights →
Leg 2
MEM → DCA
2h 16m · 762 mi
View MEM to DCA flights →

Frequently Asked Questions

How long is the direct flight from Houston to Washington?

A nonstop flight from Houston (IAH) to Washington (DCA) takes approximately 3 hours and 4 minutes. The distance is 1,207 miles (1,943 km).

Which airlines fly nonstop from Houston to Washington?

2 airlines: American Airlines, United Airlines.

Is there a nonstop flight from Houston to Washington?

Yes. 2 airlines: American Airlines, United Airlines.

How far is Houston from Washington?

The flight distance from Houston to Washington is 1,207 miles (1,943 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 Washington?

At 3h 4m, 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 Washington?

Roughly 204 kg CO2 per passenger one-way. That's about the same as driving 1,020 km.

Is the return flight from Washington 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 Washington?

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.