Airlines with flights from Houston to Dulles
There are four airlines with scheduled flights between IAH and IAD. United is the only airline with non-stop flights from Houston Airport to Washington Dulles Airport and the flight time is 3 hours and 8 minutes.
Choose airline
Schedules
Non-stop with United Airlines
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Total flight time: 3 hours and 8 minutes
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Houston and Dulles are both United Airlines hubs.
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43 flights per week
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Boeing 737-900 PassengerBoeing 737MAX 9 PassengerBoeing 737-800 PassengerBoeing 737-700 PassengerAirbus A320
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Business and first class available
IAH
Direct
IAD
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
UA1549
07:20
07:25
07:20
07:20
07:20
07:25
07:20
UA2366
12:13
12:13
12:13
12:13
12:13
12:13
12:13
UA1478
14:31
14:31
14:31
14:31
14:31
14:31
14:31
UA2388
16:41
16:35
16:35
16:35
16:35
16:35
16:35
UA1373
18:32
18:32
18:32
18:32
18:32
18:32
18:32
UA2767
20:20
20:20
20:20
20:20
20:20
20:20
20:20
The timetable & schedule information was updated at 2026-04-21
Via Charlotte with American Airlines
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Total flight time: 4h 27m - 7h 00m.
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One World Alliance
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79 flights per week
IAH
Via CLT
IAD
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
AA2011
AA5220
AA5220
06:02
06:02
06:02
06:02
06:02
05:40
06:02
AA1920
AA1450
AA1450
17:29
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17:29
17:29
17:43
17:29
The timetable & schedule information was updated at 2026-04-21
Via Atlanta with Delta Air Lines
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Total flight time: 4h 28m - 6h 50m.
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Sky Team Alliance
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166 flights per week
IAH
Via ATL
IAD
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
DL1069
DL1444
DL1444
05:40
05:40
05:40
05:40
05:40
05:40
05:40
DL1315
DL2135
DL2135
07:00
07:00
07:00
07:00
07:00
07:00
07:00
DL2709
DL2135
DL2135
----
----
----
----
----
08:05
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DL644
DL2135
DL2135
08:05
08:05
08:05
08:05
08:05
----
08:05
DL1585
DL1695
DL1695
09:42
09:42
09:42
09:42
09:42
----
09:42
DL1682
DL2902
DL2902
12:13
12:13
12:13
12:13
12:13
12:13
12:13
DL1572
DL1309
DL1309
14:43
14:43
14:43
14:43
14:43
----
14:48
DL2890
DL2549
DL2549
----
----
----
----
----
17:20
----
DL1223
DL2549
DL2549
18:37
18:37
18:37
18:37
18:37
----
18:37
The timetable & schedule information was updated at 2026-04-21
Via New Orleans with United Airlines
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Total flight time: 4h 35m - 10h 35m.
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Houston and Dulles are both United Airlines hubs.
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55 flights per week
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Boeing 737-900 PassengerBoeing 737MAX 9 PassengerBoeing 737-800 PassengerBoeing 737-700 PassengerAirbus A320
IAH
Via MSY
IAD
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
UA575
UA6155
UA6155
----
----
----
----
----
09:35
09:32
UA575
UA2497
UA2497
09:45
09:45
09:45
09:45
09:45
----
----
The timetable & schedule information was updated at 2026-04-21
Via Mobile with United Airlines
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Total flight time: 4h 36m - 5h 23m.
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Houston and Dulles are both United Airlines hubs.
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21 flights per week
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Boeing 737-900 PassengerBoeing 737MAX 9 PassengerBoeing 737-800 PassengerBoeing 737-700 PassengerAirbus A320
IAH
Via MOB
IAD
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
UA4369
UA4314
UA4314
10:15
10:15
10:15
10:15
10:15
10:15
10:15
The timetable & schedule information was updated at 2026-04-21

There are four airlines with scheduled flights between IAH and IAD. United is the only airline with non-stop flights from Houston Airport to Washington Dulles Airport and the flight time is 3 hours and 8 minutes.
Via Atlanta with Frontier