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

United Airlines

Non-stop with United Airlines

  • Total flight time: 3 hours and 8 minutes
  • Houston and Dulles are both United Airlines hubs.
  • 43 flights per week
  • Boeing 737-900 Passenger
    Boeing 737MAX 9 Passenger
    Boeing 737-800 Passenger
    Boeing 737-700 Passenger
    Airbus A320
  • Business and first class available
IAH
Direct
IAD
 
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
SHOW RETURN SCHEDULE
CHECK PRICES FOR IAH - IAD

The timetable & schedule information was updated at 2026-04-21

American Airlines

Via Charlotte with American Airlines

  • Total flight time: 4h 27m - 7h 00m.
  • One World Alliance
  • 79 flights per week
IAH
 
Via CLT
 
IAD

The timetable & schedule information was updated at 2026-04-21

Delta Air Lines

Via Atlanta with Delta Air Lines

  • Total flight time: 4h 28m - 6h 50m.
  • Sky Team Alliance
  • 166 flights per week
IAH
 
Via ATL
 
IAD
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
DL1069
DL1444
05:40
05:40
05:40
05:40
05:40
05:40
05:40
DL1315
DL2135
07:00
07:00
07:00
07:00
07:00
07:00
07:00
DL2709
DL2135
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----
----
----
----
08:05
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DL644
DL2135
08:05
08:05
08:05
08:05
08:05
----
08:05
DL1585
DL1695
09:42
09:42
09:42
09:42
09:42
----
09:42
DL1682
DL2902
12:13
12:13
12:13
12:13
12:13
12:13
12:13
DL1572
DL1309
14:43
14:43
14:43
14:43
14:43
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14:48
DL2890
DL2549
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----
----
----
----
17:20
----
DL1223
DL2549
18:37
18:37
18:37
18:37
18:37
----
18:37
SHOW RETURN SCHEDULE
CHECK PRICES FOR IAH - IAD

The timetable & schedule information was updated at 2026-04-21

United Airlines

Via New Orleans with United Airlines

  • Total flight time: 4h 35m - 10h 35m.
  • Houston and Dulles are both United Airlines hubs.
  • 55 flights per week
  • Boeing 737-900 Passenger
    Boeing 737MAX 9 Passenger
    Boeing 737-800 Passenger
    Boeing 737-700 Passenger
    Airbus A320
IAH
 
Via MSY
 
IAD

The timetable & schedule information was updated at 2026-04-21

United Airlines

Via Mobile with United Airlines

  • Total flight time: 4h 36m - 5h 23m.
  • Houston and Dulles are both United Airlines hubs.
  • 21 flights per week
  • Boeing 737-900 Passenger
    Boeing 737MAX 9 Passenger
    Boeing 737-800 Passenger
    Boeing 737-700 Passenger
    Airbus A320
IAH
 
Via MOB
 
IAD

The timetable & schedule information was updated at 2026-04-21

Staying up-to-date with the airlines

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