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 21 minutes.

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Schedules

United Airlines

Non-stop with United Airlines

  • Total flight time: 3 hours and 21 minutes
  • Dulles and Houston are both United Airlines hubs.
  • 36 flights per week
  • Boeing 737-800 Passenger
    Boeing 737-900 Passenger
    Boeing 737-700 Passenger
    Boeing 737MAX 9 Passenger
    Boeing 737MAX 8 Passenger
  • Business and first class available
IAD
Direct
IAH
 
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
UA1935
06:30
06:30
06:30
06:30
06:30
06:19
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
----
UA2217
17:59
17:59
17:59
17:59
17:59
17:59
17:59
UA1986
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
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
AA5054
AA1930
05:03
05:03
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----
----
----
----
AA3169
AA2445
----
----
----
05:08
----
----
05:08
AA2620
AA2445
----
----
06:10
----
06:10
----
----
AA5151
AA398
----
----
----
09:11
----
09:11
09:11
AA5219
AA1919
09:20
09:20
----
----
----
----
----
AA5151
AA1661
----
----
10:27
----
10:27
----
----
AA5154
AA2935
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----
13:23
----
13:23
----
----
AA5447
AA1840
----
----
17:34
----
17:34
----
----
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 737-800 Passenger
    Boeing 737-900 Passenger
    Boeing 737-700 Passenger
    Boeing 737MAX 9 Passenger
    Boeing 737MAX 8 Passenger
IAD
 
Via BNA
 
IAH
 
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
UA213
UA2339
12:50
12:50
12:50
12:50
12:50
----
12:50
UA213
UA4847
----
----
----
----
----
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
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
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
10:21
10:21
10:21
10:21
10:21
10:58
10:21
DL1444
DL1223
12:37
12:37
12:37
12:37
12:37
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12:39
DL1444
DL1131
----
----
----
----
----
12:47
----
DL2135
DL1131
15:02
15:02
15:02
15:02
15:02
----
15:08
DL1695
DL1601
17:46
17:46
17:46
17:46
17:46
18:07
17:46
DL2902
DL1601
19:21
19:21
19:21
19:21
19:21
----
19:21
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 737-800 Passenger
    Boeing 737-900 Passenger
    Boeing 737-700 Passenger
    Boeing 737MAX 9 Passenger
    Boeing 737MAX 8 Passenger
IAD
 
Via HSV
 
IAH
 
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
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
UA4286
UA4893
----
12:55
SHOW RETURN SCHEDULE
CHECK PRICES FOR IAD - IAH

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

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Flight data on this page was last updated on 2026-07-13
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