Direct (nonstop) flights from Washington to Houston
2 airlines fly nonstop from Ronald Reagan Washington National (DCA) to George Bush Intcntl Houston (IAH). It's 1,207 miles (1,943 km), about 3h 35m in the air. Operated by American Airlines, United Airlines.
American Airlines
United Airlines
Route data last updated: May 27, 2026
Airlines with non-stop flights
AA
American Airlines
UA
United Airlines
Alternative Routes
Other ways to fly from Washington to Houston with one stop · direct emits 204 kg CO₂ per passenger
Looking for the return flight?
IAH → DCA: Flights from Houston to WashingtonOther direct flights from Washington
Direct flights from Houston (IAH)
Frequently Asked Questions
How long is the direct flight from Washington to Houston?
A nonstop flight from Washington (DCA) to Houston (IAH) takes approximately 3 hours and 35 minutes. The distance is 1,207 miles (1,943 km).
Which airlines fly nonstop from Washington to Houston?
2 airlines: American Airlines, United Airlines.
Is there a nonstop flight from Washington to Houston?
Yes. 2 airlines: American Airlines, United Airlines.
How far is Washington from Houston?
The flight distance from Washington to Houston 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 Washington to Houston?
At 3h 35m, 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 Washington to Houston?
Roughly 204 kg CO2 per passenger one-way. That's about the same as driving 1,020 km.
Is the return flight from Houston to Washington 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 Washington 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 Ronald Reagan Washington National for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.