Airlines with flights from Seattle to Dulles
There are 7 airlines with scheduled flights between SEA and IAD. Alaska Airlines, United and Delta has non-stop flights from Seattle Airport to Washington Dulles Airport and the flight time is 5 hours and 1 minutes.
There are 7 airlines with scheduled flights between SEA and IAD. Alaska Airlines, United and Delta has non-stop flights from Seattle Airport to Washington Dulles Airport and the flight time is 5 hours and 1 minutes. Choose airline
Direct
Non-stop
5h 1min
Direct
Non-stop
5h 3min
Direct
Non-stop
5h 1min
Via Chicago
6h 31min
Via Detroit
6h 34min
Via Denver
6h 35min
Via Minneapolis
6h 37min
Via Denver
6h 58min
Via Salt Lake City
6h 59min
Via Charlotte
7h 4min
Via Atlanta
7h 6min
Via Dallas
7h 47min
Via New York
8h 15min
NEW
Via Las Vegas
8h 37min
Via New York
8h 38min
NEW
Via Nashville
11h 12min
NEW
Via Dallas
11h 24min
Via Philadelphia
13h 10min
Starts 19/06
Via Minneapolis
7h 26min
Schedules
Non-stop with Alaska Airlines
-
Total flight time: 5 hours and 1 minutes
-
One World Alliance
-
Seattle is a Alaska Airlines hub (Primary hub).
-
21 flights per week
-
Boeing 737MAX 9 PassengerBoeing 737-900 (winglets) Passenger/BBJ3Boeing 737-800 (winglets) Passenger/BBJ2
-
Business and first class available
SEA
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
AS737
09:13
09:13
09:13
09:13
09:13
09:13
09:13
AS406
16:01
16:01
16:01
16:01
16:01
16:01
16:01
AS367
22:43
22:43
22:43
22:43
22:43
22:43
22:43
The timetable & schedule information was updated at 2026-04-22
Non-stop with United Airlines
-
Total flight time: 5 hours and 3 minutes
-
Dulles is a United Airlines hub (Secondary hub).
-
18 flights per week
-
Boeing 737MAX 8 PassengerBoeing 737-800 PassengerBoeing 737-900 PassengerBoeing 737MAX 9 Passenger
-
Business and first class available
SEA
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
UA688
08:00
08:00
08:00
08:00
08:00
08:00
08:00
UA2131
13:00
13:00
13:00
13:00
13:00
13:00
13:00
UA264
----
----
23:20
23:20
23:20
----
23:20
The timetable & schedule information was updated at 2026-04-22
Non-stop with Delta Air Lines
-
Total flight time: 5 hours and 1 minutes
-
Sky Team Alliance
-
Seattle is a Delta Air Lines hub.
-
13 flights per week
-
Airbus A220-300
-
First class available
SEA
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
DL541
16:20
16:20
16:20
16:20
16:20
16:20
16:20
The timetable & schedule information was updated at 2026-04-22
Via Chicago with United Airlines
-
Total flight time: 6h 31m - 14h 45m.
-
Dulles is a United Airlines hub (Secondary hub).
-
109 flights per week
-
Boeing 737MAX 8 PassengerBoeing 737-800 PassengerBoeing 737-900 PassengerBoeing 737MAX 9 Passenger
SEA
Via ORD
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
UA2618
UA2437
UA2437
07:00
07:00
07:00
07:00
07:00
07:00
07:00
UA2135
UA1015
UA1015
07:05
07:05
07:05
07:05
07:05
07:05
07:05
UA2835
UA2202
UA2202
10:52
10:52
10:52
10:52
10:52
10:52
10:52
UA768
UA1015
UA1015
----
13:36
13:36
----
----
13:36
----
UA2192
UA1015
UA1015
13:36
----
----
13:36
13:36
----
13:36
UA2279
UA1689
UA1689
22:40
22:40
22:40
22:40
22:40
22:40
22:40
UA747
UA2277
UA2277
23:52
23:52
23:52
23:52
23:52
23:52
23:52
The timetable & schedule information was updated at 2026-04-22
Via Detroit with Delta Air Lines
-
Total flight time: 6h 34m - 8h 24m.
-
Sky Team Alliance
-
Seattle is a Delta Air Lines hub.
-
67 flights per week
-
Airbus A220-300
SEA
Via DTW
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
DL812
DL3787
DL3787
----
----
----
----
----
05:30
----
DL812
DL1787
DL1787
05:30
05:30
05:30
05:30
05:30
----
05:30
DL1706
DL3988
DL3988
11:50
11:50
11:50
11:50
11:50
11:50
11:50
DL810
DL2884
DL2884
23:10
23:10
23:10
23:10
----
23:10
23:10
DL810
DL3711
DL3711
----
----
----
----
23:10
----
----
The timetable & schedule information was updated at 2026-04-22
Via Denver with Southwest Airlines
-
Total flight time: 6h 35m - 7h 40m.
-
Low-cost airline
-
75 flights per week
SEA
Via DEN
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
Sorry. We could not find any flights for this week.
The timetable & schedule information was updated at 2026-04-22
Via Minneapolis with Delta Air Lines
-
Total flight time: 6h 37m - 8h 57m.
-
Sky Team Alliance
-
Seattle is a Delta Air Lines hub.
-
47 flights per week
-
Airbus A220-300
SEA
Via MSP
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
DL941
DL4129
DL4129
12:04
12:04
12:04
12:04
12:04
12:04
12:04
DL953
DL3699
DL3699
23:59
23:59
23:59
23:59
23:59
23:59
23:59
The timetable & schedule information was updated at 2026-04-22
Via Charlotte with American Airlines
Via Las Vegas with Frontier
Via Minneapolis with Sun Country Airlines