Direct (non-stop) flights from Washington (IAD) to Houston (IAH)
Find comprehensive flight information, schedules, and booking details for direct flights from Washington (IAD), US to Houston (IAH), US. This popular route is operated by 1 airline, offering multiple daily departures.• Flight Duration: 3h 06m - 3h 48m (average flight time)• Distance: 1195 miles (1923 km) (air miles between airports)• Daily Flights: 4-6 flights (scheduled departures per day)
Washington (IAD)
US
Houston (IAH)
US
FLIGHT TIME
3h 06m - 3h 48m
FLIGHT DISTANCE
1195 miles (1923 km)
3h 19m - 3h 34m
06:00
22:10
1195 miles (1923 km)
August
1 (Show)
35
Main Terminal (Washington (IAD))
Terminal A (Houston (IAH))
Flight Schedule
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Airlines Operating This Route
Click any airline to view their specific flight schedules, policies, and route details for this connection. You can also explore flights from Washington (IAD) and flights to Houston (IAH).
Route Insights
Route Demand
With 35 weekly flights, this route maintains steady demand throughout the week, providing travelers with frequent scheduling options.
Route Importance
With 5 direct flights, this route provides reliable connectivity between Washington (IAD) and Houston (IAH).
Best Time to Fly
Best Value Period
August typically offers the best value for travelers, with lower average fares compared to peak travel periods.
Price Trends
Price variation throughout the year is significant, with Mar being the most affordable month and prices increasing during peak travel seasons.
Distance & Duration Explained
Route Distance
At 1195 miles (1923 km), this is an ultra-long-haul route between Washington (IAD) and Houston (IAH), requiring larger aircraft and extended flight times.
Flight Duration
Flight duration averages 3h 06m - 3h 48m, with actual times ranging from 3h 19m - 3h 34m depending on aircraft type, wind conditions, and routing.
Airline Comparison
Available Airlines
United Airlines is the sole operator on this route, providing 5 daily flights between IAD and IAH.
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Best Time to Visit & Travel Planning
Cheapest Day
Cheapest Month
Average Fare
$429
Travel Planning Tips for Washington (IAD) to Houston (IAH)
- Best Day to Book
Monday typically offers the lowest fares for flights from Washington (IAD) to Houston (IAH). Consider booking on this day for potential savings.
- Best Month to Travel
September is generally the cheapest month to fly from Washington (IAD) to Houston (IAH). Plan your trip during this month for the best deals.
- Average Flight Price
The average fare for flights from Washington (IAD) to Houston (IAH) is approximately $429. Prices may vary based on booking time, season, and airline.
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Related Pages
Related Airports
Related Airlines
Frequently Asked Questions
How many flights operate from Washington (IAD) to Houston (IAH)?
There are 5 direct flights operating from Washington (IAD) to Houston (IAH). Approximately 4-6 flights daily.
Which airlines operate flights from Washington (IAD) to Houston (IAH)?
1 airline operates on this route: United Airlines.
How long is the flight from Washington (IAD) to Houston (IAH)?
The flight duration from Washington (IAD) to Houston (IAH) is approximately 3h 06m - 3h 48m.
What is the distance from Washington (IAD) to Houston (IAH)?
The distance from Washington (IAD) to Houston (IAH) is 1195 miles (1923 km).
What is the flight time range for this route?
Flight times on this route range from 3h 19m - 3h 34m.
What are the earliest and latest flight departure times?
The earliest flight departs at 06:00 and the latest flight departs at 22:10.
What is the cheapest month to fly from Washington (IAD) to Houston (IAH)?
August is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 35 flights operate per week from Washington (IAD) to Houston (IAH).
What types of aircraft operate on this route?
This route is served by Airbus A320, Boeing 737-900 Passenger.
What is the average flight price from Washington (IAD) to Houston (IAH)?
The average flight price for a round-trip ticket from Washington (IAD) to Houston (IAH) is approximately $341 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from Washington (IAD) to Houston (IAH) for the lowest prices?
August is typically the cheapest month to fly from Washington (IAD) to Houston (IAH). Booking in advance and avoiding peak travel seasons can help you find better deals.
How far is Houston (IAH) from Washington (IAD)?
The distance from Washington (IAD) to Houston (IAH) is 1195 miles (1923 km). This is a long-haul flight route.
How long does it take to fly from Washington (IAD) to Houston (IAH)?
The flight time from Washington (IAD) to Houston (IAH) is approximately 3h 06m - 3h 48m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.
What city does Houston (IAH) serve?
Houston (IAH) serves Houston, US.