Airlines with flights from Dulles to Houston

There are four airlines with scheduled flights between IAD and IAH. United is the only airline with non-stop flights from Washington Dulles Airport to Houston Airport and the flight time is 3 hours and 20 minutes.

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Schedules

United Airlines

Non-stop with United Airlines

  • Total flight time: 3 hours and 20 minutes
  • Dulles and Houston are both United Airlines hubs.
  • 42 flights per week
  • Boeing 737-900 Passenger
    Boeing 737-800 Passenger
    Airbus A320
    Boeing 737MAX 9 Passenger
    Boeing 737MAX 8 Passenger
    Boeing 737-700 Passenger
  • Business and first class available
IAD
Direct
IAH
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
UA1907
06:30
06:30
06:30
06:30
06:30
06:30
06:30
UA1524
08:40
08:40
08:40
08:40
08:40
08:40
08:40
UA1535
12:50
12:50
12:50
12:50
12:50
12:50
12:50
UA2857
14:53
14:53
14:53
14:53
14:53
14:53
14:53
UA2217
17:59
17:59
17:59
17:59
17:59
17:59
17:59
UA2050
22:20
22:20
22:20
22:20
22:20
22:20
22:20
SHOW RETURN SCHEDULE
CHECK PRICES FOR IAD - IAH

The timetable & schedule information was updated at 2026-04-22

American Airlines

Via Charlotte with American Airlines

  • Total flight time: 4h 51m - 7h 00m.
  • One World Alliance
  • 159 flights per week
IAD
 
Via CLT
 
IAH
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
AA5219
AA1919
09:20
09:20
09:20
09:20
09:20
09:20
09:20
SHOW RETURN SCHEDULE
CHECK PRICES FOR IAD - IAH

The timetable & schedule information was updated at 2026-04-22

United Airlines

Via Nashville with United Airlines

  • Total flight time: 4h 51m - 7h 14m.
  • Dulles and Houston are both United Airlines hubs.
  • 48 flights per week
  • Boeing 737-900 Passenger
    Boeing 737-800 Passenger
    Airbus A320
    Boeing 737MAX 9 Passenger
    Boeing 737MAX 8 Passenger
    Boeing 737-700 Passenger
IAD
 
Via BNA
 
IAH
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
UA213
UA2339
12:50
12:50
12:50
12:50
12:50
----
12:50
UA213
UA3999
----
----
----
----
----
12:53
----
SHOW RETURN SCHEDULE
CHECK PRICES FOR IAD - IAH

The timetable & schedule information was updated at 2026-04-22

Delta Air Lines

Via Atlanta with Delta Air Lines

  • Total flight time: 4h 52m - 7h 21m.
  • Sky Team Alliance
  • 183 flights per week
IAD
 
Via ATL
 
IAH
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
DL2127
DL1682
06:00
06:00
06:00
06:00
06:00
----
06:00
DL1354
DL1682
----
----
----
----
----
06:33
----
DL1354
DL1572
08:27
08:27
08:27
08:27
08:27
----
08:27
DL2127
DL1572
----
----
----
----
----
08:27
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DL1324
DL2890
10:16
10:16
10:16
10:16
10:16
10:58
10:16
DL1444
DL1223
12:37
12:37
12:37
12:37
12:37
----
12:39
DL1444
DL1131
----
----
----
----
----
12:47
----
DL2135
DL1131
15:02
15:02
15:02
15:02
15:02
----
15:08
DL1695
DL1601
17:51
17:51
17:51
17:51
17:51
----
17:51
DL2902
DL1601
19:39
19:39
19:39
19:39
19:39
----
19:39
SHOW RETURN SCHEDULE
CHECK PRICES FOR IAD - IAH

The timetable & schedule information was updated at 2026-04-22

United Airlines

Via Huntsville with United Airlines

  • Total flight time: 4h 54m - 6h 44m.
  • Dulles and Houston are both United Airlines hubs.
  • 49 flights per week
  • Boeing 737-900 Passenger
    Boeing 737-800 Passenger
    Airbus A320
    Boeing 737MAX 9 Passenger
    Boeing 737MAX 8 Passenger
    Boeing 737-700 Passenger
IAD
 
Via HSV
 
IAH
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
UA4262
UA4909
09:00
09:00
09:00
09:00
09:00
09:00
09:00
UA4286
UA4905
12:55
12:55
12:55
12:48
12:55
12:55
12:55
SHOW RETURN SCHEDULE
CHECK PRICES FOR IAD - IAH

The timetable & schedule information was updated at 2026-04-22

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At Airlineinformation.com you can learn all about the airlines operating around the world together with their destinations and where they operate. You will get a transparent overview of airlines with scheduled flights between any two destinations with non-stop or 1-stop flights regardless of price or availability.
Flight data on this page was last updated on 2026-06-02
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