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Cheap flights from Washington to Houston

40 nonstop flights a week, 4 of them today. Operated by 3 airlines, about 3h 31m in the air, 1,219 mi (1,961 km). Tickets from $78, nonstop from $164.

Flights from Washington to Houston

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Prices by day: Washington to Houston

Lowest one-way price in dollars from recent searches, cheap days in green. Press a day to see flights and exact prices.

Filters

Best fares from Washington to Houston

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $78 11 November 2026, with a connection Cheapest nonstop $164 19 December 2026, F9 Cheapest in the next 7 days $78 Today Cheapest weekend departure $104 Fri, 20 November 2026 Cheapest month November 2026 tickets from $78

Washington to Houston at a glance

flight time, from 3h 6m to 8h 15m
3h 31m
straight-line distance
1,219 mi (1,961 km)
flights a week
40
flights today
4
first and last departure
06:00 - 07:29
lowest price, with a connection, 11 November
$78
lowest nonstop price
$164
airlines
3

Washington to Houston ticket prices by month

Lowest one-way fare found by recent searches

Cheapest month: November 2026, tickets from $78. Prices come from searches over the last few days; check the search for your exact date.

The most expensive month is December 2026: from $113. The average across months is $95.

Washington to Houston flight schedule

40 flights a week, 4 today, 47 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
UA 1450
United Airlines
06:00 Ronald Reagan National, terminal 2
08:31 George Bush Intercontinental, terminal C
3h 31m
Daily
Boeing 737
UA 1898
United Airlines
06:00 Baltimore/Wash International Thurgood Marshall
08:37 George Bush Intercontinental, terminal C
3h 37m
Daily
Boeing 737
UA 2655
United Airlines
06:00 Washington Dulles International
08:37 George Bush Intercontinental, terminal C
3h 37m
Daily
Boeing 737
WN 4865
Southwest Airlines
06:00 Ronald Reagan National, terminal 1
08:30 William P. Hobby
3h 30m
Sat
Boeing 737
WN 4865
Southwest Airlines
06:05 Ronald Reagan National, terminal 1
08:35 William P. Hobby
3h 30m
Daily
Boeing 737
WN 1014
Southwest Airlines
06:25 Baltimore/Wash International Thurgood Marshall
09:00 William P. Hobby
3h 35m
Sat
Boeing 737-800
WN 3376
Southwest Airlines
06:40 Baltimore/Wash International Thurgood Marshall
09:15 William P. Hobby
3h 35m
Mon, Tue, Wed, Thu
Boeing 737-800
WN 3376
Southwest Airlines
06:45 Baltimore/Wash International Thurgood Marshall
09:20 William P. Hobby
3h 35m
Mon, Thu, Fri, Sun
Boeing 737-800
WN 2202
Southwest Airlines
06:50 Baltimore/Wash International Thurgood Marshall
14:00 William P. Hobby
8h 10m
Sat
AA 5216
American Airlines
07:27 Ronald Reagan National, terminal 2
10:14 George Bush Intercontinental, terminal A
3h 47m
Mon, Thu, Fri
Canadair reg jet 700
AA 5216
American Airlines
07:29 Ronald Reagan National, terminal 2
10:05 George Bush Intercontinental, terminal A
3h 36m
Mon, Wed, Thu, Fri
Canadair reg jet 700

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 24 November.

FlightDepartsArrivesDurationDaysAircraft
WN 1014
Southwest Airlines
06:20 Baltimore/Wash International Thurgood Marshall
08:50 William P. Hobby
3h 30m
Seasonal
Boeing 737-800
WN 347
Southwest Airlines
06:35 Baltimore/Wash International Thurgood Marshall
09:10 William P. Hobby
3h 35m
Seasonal
Boeing 737-800
WN 1014
Southwest Airlines
06:15 Baltimore/Wash International Thurgood Marshall
08:50 William P. Hobby
3h 35m
Seasonal
Boeing 737
UA 451
United Airlines
06:00 Washington Dulles International
08:36 George Bush Intercontinental, terminal C
3h 36m
Seasonal
Boeing 737
UA 1450
United Airlines
06:05 Ronald Reagan National, terminal 2
08:40 George Bush Intercontinental, terminal C
3h 35m
Seasonal
Boeing 737
UA 785
United Airlines
06:00 Washington Dulles International
08:33 George Bush Intercontinental, terminal C
3h 33m
Seasonal
Boeing 737
UA 1898
United Airlines
06:02 Baltimore/Wash International Thurgood Marshall
08:45 George Bush Intercontinental, terminal C
3h 43m
Seasonal
Boeing 737
AA 5216
American Airlines
07:26 Ronald Reagan National, terminal 2
09:57 George Bush Intercontinental, terminal A
3h 31m
Seasonal
Canadair reg jet 700
AA 5216
American Airlines
06:56 Ronald Reagan National, terminal 2
09:27 George Bush Intercontinental, terminal A
3h 31m
Seasonal
Canadair reg jet 700
AA 5216
American Airlines
06:59 Ronald Reagan National, terminal 2
09:30 George Bush Intercontinental, terminal A
3h 31m
Seasonal
Canadair reg jet 700
UA 506
United Airlines
06:00 Washington Dulles International
08:34 George Bush Intercontinental, terminal C
3h 34m
Seasonal
Boeing 737-900
UA 703
United Airlines
06:00 Baltimore/Wash International Thurgood Marshall
08:43 George Bush Intercontinental, terminal C
3h 43m
Seasonal
Boeing 737
WN 4843
Southwest Airlines
06:00 Ronald Reagan National, terminal 1
08:45 William P. Hobby
3h 45m
Seasonal
Boeing 737
WN 1057
Southwest Airlines
06:00 Ronald Reagan National, terminal 1
08:45 William P. Hobby
3h 45m
Seasonal
WN 882
Southwest Airlines
07:05 Baltimore/Wash International Thurgood Marshall
09:40 William P. Hobby
3h 35m
Seasonal
Boeing 737
WN 882
Southwest Airlines
06:05 Baltimore/Wash International Thurgood Marshall
08:40 William P. Hobby
3h 35m
Seasonal
UA 703
United Airlines
06:05 Baltimore/Wash International Thurgood Marshall
08:20 George Bush Intercontinental, terminal C
3h 15m
Seasonal
Boeing 737
WN 4843
Southwest Airlines
06:05 Ronald Reagan National, terminal 1
08:40 William P. Hobby
3h 35m
Seasonal
Boeing 737
UA 564
United Airlines
06:30 Washington Dulles International
08:36 George Bush Intercontinental, terminal C
3h 6m
Seasonal
Boeing 737-900
WN 882
Southwest Airlines
07:00 Baltimore/Wash International Thurgood Marshall
09:35 William P. Hobby
3h 35m
Seasonal
Boeing 737
AA 5464
American Airlines
07:20 Ronald Reagan National, terminal 2
09:58 George Bush Intercontinental, terminal A
3h 38m
Seasonal
Canadair reg jet 700
WN 369
Southwest Airlines
06:50 Ronald Reagan National, terminal 1
09:25 William P. Hobby
3h 35m
Seasonal
Boeing 737
WN 290
Southwest Airlines
06:15 Ronald Reagan National, terminal 1
08:50 William P. Hobby
3h 35m
Seasonal
Boeing 737
WN 4648
Southwest Airlines
07:05 Baltimore/Wash International Thurgood Marshall
09:35 William P. Hobby
3h 30m
Seasonal
Boeing 737
WN 290
Southwest Airlines
06:00 Ronald Reagan National, terminal 1
08:30 William P. Hobby
3h 30m
Seasonal
Boeing 737
WN 4648
Southwest Airlines
06:15 Baltimore/Wash International Thurgood Marshall
08:50 William P. Hobby
3h 35m
Seasonal
WN 290
Southwest Airlines
06:35 Ronald Reagan National, terminal 1
09:05 William P. Hobby
3h 30m
Seasonal
WN 2047
Southwest Airlines
06:00 Ronald Reagan National, terminal 1
08:30 William P. Hobby
3h 30m
Seasonal
WN 4648
Southwest Airlines
07:15 Baltimore/Wash International Thurgood Marshall
09:45 William P. Hobby
3h 30m
Seasonal
AA 4584
American Airlines
06:20 Ronald Reagan National, terminal 2
08:57 George Bush Intercontinental, terminal A
3h 37m
Seasonal
Embraer EMB 175
WN 2155
Southwest Airlines
06:50 Baltimore/Wash International Thurgood Marshall
09:15 William P. Hobby
3h 25m
Seasonal
Boeing 737-800
WN 1344
Southwest Airlines
06:55 Ronald Reagan National, terminal 1
09:25 William P. Hobby
3h 30m
Seasonal
Boeing 737
WN 4387
Southwest Airlines
06:55 Ronald Reagan National, terminal 1
09:25 William P. Hobby
3h 30m
Seasonal
WN 4544
Southwest Airlines
07:15 Baltimore/Wash International Thurgood Marshall
09:45 William P. Hobby
3h 30m
Seasonal
Boeing 737
WN 4387
Southwest Airlines
06:00 Ronald Reagan National, terminal 1
08:30 William P. Hobby
3h 30m
Seasonal
Boeing 737
WN 361
Southwest Airlines
07:20 Baltimore/Wash International Thurgood Marshall
09:50 William P. Hobby
3h 30m
Seasonal
Boeing 737-800
WN 4149
Southwest Airlines
06:45 Baltimore/Wash International Thurgood Marshall
14:00 William P. Hobby
8h 15m
Seasonal
WN 2421
Southwest Airlines
07:10 Baltimore/Wash International Thurgood Marshall
09:40 William P. Hobby
3h 30m
Seasonal
Boeing 737
AA 4584
American Airlines
06:00 Ronald Reagan National, terminal 2
08:26 George Bush Intercontinental, terminal A
3h 26m
Seasonal
Embraer EMB 175
WN 1245
Southwest Airlines
06:45 Ronald Reagan National, terminal 1
09:00 William P. Hobby
3h 15m
Seasonal
Boeing 737
WN 792
Southwest Airlines
07:20 Baltimore/Wash International Thurgood Marshall
09:35 William P. Hobby
3h 15m
Seasonal
Boeing 737
WN 1245
Southwest Airlines
06:05 Ronald Reagan National, terminal 1
08:20 William P. Hobby
3h 15m
Seasonal
Boeing 737
WN 2816
Southwest Airlines
06:15 Baltimore/Wash International Thurgood Marshall
08:30 William P. Hobby
3h 15m
Seasonal
WN 3307
Southwest Airlines
06:55 Ronald Reagan National, terminal 1
09:15 William P. Hobby
3h 20m
Seasonal
Boeing 737
WN 3378
Southwest Airlines
06:25 Baltimore/Wash International Thurgood Marshall
08:40 William P. Hobby
3h 15m
Seasonal
Boeing 737
WN 3609
Southwest Airlines
06:55 Ronald Reagan National, terminal 1
09:15 William P. Hobby
3h 20m
Seasonal
Boeing 737
AA 5033
American Airlines
07:29 Ronald Reagan National, terminal 2
09:52 George Bush Intercontinental, terminal A
3h 23m
Seasonal
Canadair reg jet 700

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Houston is 1 hour behind Washington. The search shows seat availability and the price for your date.

Airlines flying Washington to Houston

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

United Airlines21 a week Southwest Airlines15 a week American Airlines4 a week

Airports

Where flights from Washington to Houston depart and land

Departure from Washington

Ronald Reagan National closest to the centreDCA

18 flights a week, terminals 1, 2, 3 mi (5 km) from the city centre

About the airport
Baltimore/Wash International Thurgood Marshall BWI

15 flights a week, 28 mi (45 km) from the city centre

About the airport
Washington Dulles International IAD

7 flights a week, 22 mi (36 km) from the city centre

About the airport

Arrival in Houston

George Bush Intercontinental IAH

25 flights a week, terminals A, C, 16 mi (25 km) from the city centre

About the airport
William P. Hobby closest to the centreHOU

15 flights a week, 10 mi (16 km) from the city centre

About the airport

Frequently asked questions

How long is the flight from Washington to Houston?
A nonstop flight takes 3 hours 31 minutes on average, from 3h 6m to 8h 15m depending on the flight.
How far is Houston from Washington?
1,219 mi (1,961 km) in a straight line between the cities.
Which airlines fly nonstop from Washington to Houston?
United Airlines (21 a week), Southwest Airlines (15 a week) and American Airlines (4 a week).
How many flights a day are there from Washington to Houston?
4 flights today and 40 a week, about 5.7 a day on average.
When are the first and last flights from Washington to Houston?
The first departure is at 06:00 (UA1450), the last at 07:29 (AA5216). Local time.
What is the cheapest month to fly from Washington to Houston?
November 2026: tickets from $78. The most expensive is December 2026, from $113.
What is the cheapest upcoming date to fly from Washington to Houston?
11 November 2026 (Wednesday): from $78 one way, with a connection, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from Washington to Houston?
United Airlines: nonstop tickets from $191 on 11 November by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between Washington and Houston?
Houston is 1 hour behind Washington. Schedule times on this page are local to each airport.
Which Washington airport do flights to Houston leave from?
Ronald Reagan National (18 a week), Baltimore/Wash International Thurgood Marshall (15 a week) and Washington Dulles International (7 a week).
Which Houston airport is closest to the city centre?
William P. Hobby (HOU), 10 mi (16 km) from the city centre. Others: George Bush Intercontinental 16 mi (25 km).