すべての航空会社がSeattle-Tacoma (SEA)から出発、Washington Dulles (IAD)に到着.

搭乗日を選択
フライト時刻表
直行便:
日々 23:00 Seattle-Tacoma (SEA) 07:08 Washington Dulles (IAD)
United Airlines UA 264 Non-stop Boeing 737 MAX 9 (7M9) 5:08 Effective 2026-04-30 through 2026-05-20
The flight arrives 1 day after departure.
日々 23:20 Seattle-Tacoma (SEA) 07:13 Washington Dulles (IAD)
United Airlines UA 264 Non-stop Boeing 737-900 (739) 4:53 Effective 2026-05-21 through 2026-08-17
The flight arrives 1 day after departure.
日々 15:35 Seattle-Tacoma (SEA) 23:52 Washington Dulles (IAD)
Alaska Airlines AS 348 Non-stop Boeing 737 (73J) 5:17 Effective 2026-04-22 through 2026-05-12
日々 15:59 Seattle-Tacoma (SEA) 23:59 Washington Dulles (IAD)
Alaska Airlines AS 348 Non-stop Boeing 737 (73J) 5:00 Effective from 2026-06-10
日々 16:00 Seattle-Tacoma (SEA) 23:59 Washington Dulles (IAD)
Alaska Airlines AS 348 Non-stop Boeing 737 (73J) 4:59 Effective 2026-05-13 through 2026-06-09
日々 23:30 Seattle-Tacoma (SEA) 07:36 Washington Dulles (IAD)
Alaska Airlines AS 363 Non-stop Boeing 737 (73J) 5:06 Effective 2026-05-13 through 2026-06-09
The flight arrives 1 day after departure.
月,木,金,日 21:45 Seattle-Tacoma (SEA) 05:40 Washington Dulles (IAD)
Alaska Airlines AS 367 Non-stop Boeing 737 MAX 9 (7M9) 4:55 Effective 2026-02-12 through 2026-03-01
The flight arrives 1 day after departure.
月 21:45 Seattle-Tacoma (SEA) 05:40 Washington Dulles (IAD)
Alaska Airlines AS 367 Non-stop Boeing 737 (73J) 4:55 Operates only on 2026-03-02
The flight arrives 1 day after departure.
月,木,金,日 21:45 Seattle-Tacoma (SEA) 05:40 Washington Dulles (IAD)
Alaska Airlines AS 367 Non-stop Boeing 737 MAX 9 (7M9) 4:55 Effective 2026-03-05 through 2026-03-16
The flight arrives 1 day after departure.
水 21:55 Seattle-Tacoma (SEA) 05:55 Washington Dulles (IAD)
Alaska Airlines AS 367 Non-stop Boeing 737 (73J) 5:00 Operates only on 2026-03-18
The flight arrives 1 day after departure.
日々 21:55 Seattle-Tacoma (SEA) 05:49 Washington Dulles (IAD)
Alaska Airlines AS 367 Non-stop Boeing 737 (73J) 4:54 Effective 2026-03-19 through 2026-05-12
The flight arrives 1 day after departure.
月,火,木-土 22:14 Seattle-Tacoma (SEA) 06:13 Washington Dulles (IAD)
Alaska Airlines AS 367 Non-stop Boeing 737 MAX 9 (7M9) 4:59 Valid until 2026-01-03
The flight arrives 1 day after departure.
月,日 22:14 Seattle-Tacoma (SEA) 06:13 Washington Dulles (IAD)
Alaska Airlines AS 367 Non-stop Boeing 737 (73J) 4:59 Effective 2026-01-04 through 2026-01-05
The flight arrives 1 day after departure.
日々 23:30 Seattle-Tacoma (SEA) 07:28 Washington Dulles (IAD)
Alaska Airlines AS 367 Non-stop Boeing 737 (73J) 4:58 Effective from 2026-06-10
The flight arrives 1 day after departure.
月,水,木 09:34 Seattle-Tacoma (SEA) 17:43 Washington Dulles (IAD)
Alaska Airlines AS 406 Non-stop Boeing 737 MAX 9 (7M9) 5:09 Valid until 2026-01-05
火,金-日 09:34 Seattle-Tacoma (SEA) 17:43 Washington Dulles (IAD)
Alaska Airlines AS 406 Non-stop Boeing 737 (73J) 5:09 Valid until 2026-01-06
月,火,金-日 15:30 Seattle-Tacoma (SEA) 23:27 Washington Dulles (IAD)
Delta Air Lines DL 508 Non-stop Airbus A220-300 (223) 4:57 Valid until 2026-01-04
日々 15:20 Seattle-Tacoma (SEA) 23:10 Washington Dulles (IAD)
Delta Air Lines DL 541 Non-stop Airbus A220-300 (223) 4:50 Effective 2026-01-05 through 2026-02-13
月-金,日 15:20 Seattle-Tacoma (SEA) 23:10 Washington Dulles (IAD)
Delta Air Lines DL 541 Non-stop Airbus A220-300 (223) 4:50 Effective 2026-02-15 through 2026-02-27
日々 15:20 Seattle-Tacoma (SEA) 23:10 Washington Dulles (IAD)
Delta Air Lines DL 541 Non-stop Airbus A220-300 (223) 4:50 Effective 2026-02-28 through 2026-03-07
土 15:25 Seattle-Tacoma (SEA) 23:15 Washington Dulles (IAD)
Delta Air Lines DL 541 Non-stop Airbus A220-300 (223) 4:50 Effective 2026-02-14 through 2026-02-21
日々 15:55 Seattle-Tacoma (SEA) 23:48 Washington Dulles (IAD)
Delta Air Lines DL 541 Non-stop Airbus A220-300 (223) 4:53 Effective 2026-03-08 through 2026-03-14
日々 15:55 Seattle-Tacoma (SEA) 23:49 Washington Dulles (IAD)
Delta Air Lines DL 541 Non-stop Airbus A220-300 (223) 4:54 Effective 2026-03-15 through 2026-04-12
日々 15:55 Seattle-Tacoma (SEA) 23:55 Washington Dulles (IAD)
Delta Air Lines DL 541 Non-stop Airbus A220-300 (223) 5:00 Effective 2026-04-13 through 2026-10-05
日々 15:55 Seattle-Tacoma (SEA) 23:51 Washington Dulles (IAD)
Delta Air Lines DL 541 Non-stop Airbus A220-300 (223) 4:56 Effective from 2026-10-06
日々 08:20 Seattle-Tacoma (SEA) 16:37 Washington Dulles (IAD)
Alaska Airlines AS 737 Non-stop Boeing 737 (73J) 5:17 Effective 2026-03-19 through 2026-05-12
水,金 08:30 Seattle-Tacoma (SEA) 16:26 Washington Dulles (IAD)
Alaska Airlines AS 737 Non-stop Boeing 737 MAX 9 (7M9) 4:56 Effective 2026-01-07 through 2026-01-30
木,日 08:30 Seattle-Tacoma (SEA) 16:26 Washington Dulles (IAD)
Alaska Airlines AS 737 Non-stop Boeing 737 MAX 8 (7M8) 4:56 Effective 2026-01-08 through 2026-02-05
火,土 08:30 Seattle-Tacoma (SEA) 16:26 Washington Dulles (IAD)
Alaska Airlines AS 737 Non-stop Boeing 737-800 (73H) 4:56 Effective 2026-01-10 through 2026-02-07
月 08:30 Seattle-Tacoma (SEA) 16:26 Washington Dulles (IAD)
Alaska Airlines AS 737 Non-stop Boeing 737 (73J) 4:56 Effective 2026-01-12 through 2026-01-26
月,水,金,日 08:30 Seattle-Tacoma (SEA) 16:26 Washington Dulles (IAD)
Alaska Airlines AS 737 Non-stop Boeing 737 MAX 9 (7M9) 4:56 Effective 2026-02-02 through 2026-02-11
火 08:30 Seattle-Tacoma (SEA) 16:26 Washington Dulles (IAD)
Alaska Airlines AS 737 Non-stop Boeing 737 MAX 8 (7M8) 4:56 Operates only on 2026-02-10
日々 09:15 Seattle-Tacoma (SEA) 17:16 Washington Dulles (IAD)
Alaska Airlines AS 737 Non-stop Boeing 737 (73J) 5:01 Effective from 2026-06-10
日々 09:18 Seattle-Tacoma (SEA) 17:15 Washington Dulles (IAD)
Alaska Airlines AS 737 Non-stop Boeing 737 (73J) 4:57 Effective 2026-05-13 through 2026-06-09
月,木,金,日 09:27 Seattle-Tacoma (SEA) 17:20 Washington Dulles (IAD)
Alaska Airlines AS 737 Non-stop Boeing 737 (73J) 4:53 Effective 2026-02-12 through 2026-03-09
火,水,土 09:27 Seattle-Tacoma (SEA) 17:20 Washington Dulles (IAD)
Alaska Airlines AS 737 Non-stop Boeing 737 MAX 9 (7M9) 4:53 Effective 2026-02-14 through 2026-03-07
火,金-日 09:27 Seattle-Tacoma (SEA) 17:20 Washington Dulles (IAD)
Alaska Airlines AS 737 Non-stop Boeing 737 (73J) 4:53 Effective 2026-03-10 through 2026-03-15
月-木 09:27 Seattle-Tacoma (SEA) 17:20 Washington Dulles (IAD)
Alaska Airlines AS 737 Non-stop Boeing 737 MAX 9 (7M9) 4:53 Effective 2026-03-11 through 2026-03-17
水 09:55 Seattle-Tacoma (SEA) 17:55 Washington Dulles (IAD)
Alaska Airlines AS 737 Non-stop Boeing 737 (73J) 5:00 Operates only on 2026-03-18
日々 22:10 Seattle-Tacoma (SEA) 06:03 Washington Dulles (IAD)
United Airlines UA 1355 Non-stop Boeing 737-900 (739) 4:53 Effective 2026-05-21 through 2026-10-24
The flight arrives 1 day after departure.
金 23:39 Seattle-Tacoma (SEA) 07:35 Washington Dulles (IAD)
United Airlines UA 1483 Non-stop Boeing 737-800 (738) 4:56 Valid until 2026-01-02
The flight arrives 1 day after departure.
日々 08:00 Seattle-Tacoma (SEA) 16:11 Washington Dulles (IAD)
United Airlines UA 1523 Non-stop Boeing 737 MAX 9 (7M9) 5:11 Effective 2026-03-29 through 2026-04-29
日々 08:00 Seattle-Tacoma (SEA) 16:11 Washington Dulles (IAD)
United Airlines UA 1523 Non-stop Boeing 737-900 (739) 5:11 Effective 2026-04-30 through 2026-05-20
日々 08:00 Seattle-Tacoma (SEA) 15:53 Washington Dulles (IAD)
United Airlines UA 1523 Non-stop Boeing 737-900 (739) 4:53 Effective from 2026-05-21
日々 23:15 Seattle-Tacoma (SEA) 07:11 Washington Dulles (IAD)
United Airlines UA 2019 Non-stop Boeing 737 MAX 9 (7M9) 4:56 Valid until 2026-01-05
The flight arrives 1 day after departure.
日々 12:45 Seattle-Tacoma (SEA) 20:38 Washington Dulles (IAD)
United Airlines UA 2131 Non-stop Boeing 737-900 (739) 4:53 Effective 2026-05-21 through 2026-08-17
日々 13:10 Seattle-Tacoma (SEA) 21:18 Washington Dulles (IAD)
United Airlines UA 2131 Non-stop Boeing 737 MAX 8 (7M8) 5:08 Effective 2026-04-30 through 2026-05-20
木 08:00 Seattle-Tacoma (SEA) 16:06 Washington Dulles (IAD)
United Airlines UA 2217 Non-stop Boeing 737-800 (738) 5:06 Valid until 2026-01-01
月-水,金,日 08:00 Seattle-Tacoma (SEA) 16:06 Washington Dulles (IAD)
United Airlines UA 2217 Non-stop Boeing 737 MAX 8 (7M8) 5:06 Valid until 2026-01-05
日々 08:10 Seattle-Tacoma (SEA) 16:16 Washington Dulles (IAD)
United Airlines UA 2217 Non-stop Boeing 737-900 (739) 5:06 Effective 2026-01-06 through 2026-02-03
1 2 3 4 5 6 7   next


すべての航空会社がSeattle-Tacoma (SEA)から出発、Washington Dulles (IAD)に到着.
搭乗日を選択
フライト時刻表
直行便:

Effective 2026-04-30 through 2026-05-20







Duration: 5:08, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

直行便:

Effective 2026-05-21 through 2026-08-17







Duration: 4:53, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

直行便:

Effective 2026-04-22 through 2026-05-12







Duration: 5:17, non-stop
Boeing 737 (73J)

直行便:

Effective from 2026-06-10







Duration: 5:00, non-stop
Boeing 737 (73J)

直行便:

Effective 2026-05-13 through 2026-06-09







Duration: 4:59, non-stop
Boeing 737 (73J)

直行便:

Effective 2026-05-13 through 2026-06-09







Duration: 5:06, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

直行便:

Effective 2026-02-12 through 2026-03-01


-

-



-

Duration: 4:55, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

直行便:

Operates only on 2026-03-02


-

-

-

-

-

-
Duration: 4:55, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

直行便:

Effective 2026-03-05 through 2026-03-16


-

-



-

Duration: 4:55, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

直行便:

Operates only on 2026-03-18

-

-


-

-

-

-
Duration: 5:00, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

直行便:

Effective 2026-03-19 through 2026-05-12







Duration: 4:54, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

直行便:

Valid until 2026-01-03



-




-
Duration: 4:59, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

直行便:

Effective 2026-01-04 through 2026-01-05


-

-

-

-

-

Duration: 4:59, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

直行便:

Effective from 2026-06-10







Duration: 4:58, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

直行便:

Valid until 2026-01-05


-



-

-

-
Duration: 5:09, non-stop
Boeing 737 MAX 9 (7M9)

直行便:

Valid until 2026-01-06

-


-

-



Duration: 5:09, non-stop
Boeing 737 (73J)

直行便:

Valid until 2026-01-04



-

-



Duration: 4:57, non-stop
Airbus A220-300 (223)

直行便:

Effective 2026-01-05 through 2026-02-13







Duration: 4:50, non-stop
Airbus A220-300 (223)

直行便:

Effective 2026-02-15 through 2026-02-27






-

Duration: 4:50, non-stop
Airbus A220-300 (223)

直行便:

Effective 2026-02-28 through 2026-03-07







Duration: 4:50, non-stop
Airbus A220-300 (223)

直行便:

Effective 2026-02-14 through 2026-02-21

-

-

-

-

-


-
Duration: 4:50, non-stop
Airbus A220-300 (223)

直行便:

Effective 2026-03-08 through 2026-03-14







Duration: 4:53, non-stop
Airbus A220-300 (223)

直行便:

Effective 2026-03-15 through 2026-04-12







Duration: 4:54, non-stop
Airbus A220-300 (223)

直行便:

Effective 2026-04-13 through 2026-10-05







Duration: 5:00, non-stop
Airbus A220-300 (223)

直行便:

Effective from 2026-10-06







Duration: 4:56, non-stop
Airbus A220-300 (223)

直行便:

Effective 2026-03-19 through 2026-05-12







Duration: 5:17, non-stop
Boeing 737 (73J)

直行便:

Effective 2026-01-07 through 2026-01-30

-

-


-


-

-
Duration: 4:56, non-stop
Boeing 737 MAX 9 (7M9)

直行便:

Effective 2026-01-08 through 2026-02-05

-

-

-


-

-

Duration: 4:56, non-stop
Boeing 737 MAX 8 (7M8)

直行便:

Effective 2026-01-10 through 2026-02-07

-


-

-

-


-
Duration: 4:56, non-stop
Boeing 737-800 (73H)

直行便:

Effective 2026-01-12 through 2026-01-26


-

-

-

-

-

-
Duration: 4:56, non-stop
Boeing 737 (73J)

直行便:

Effective 2026-02-02 through 2026-02-11


-


-


-

Duration: 4:56, non-stop
Boeing 737 MAX 9 (7M9)

直行便:

Operates only on 2026-02-10

-


-

-

-

-

-
Duration: 4:56, non-stop
Boeing 737 MAX 8 (7M8)

直行便:

Effective from 2026-06-10







Duration: 5:01, non-stop
Boeing 737 (73J)

直行便:

Effective 2026-05-13 through 2026-06-09







Duration: 4:57, non-stop
Boeing 737 (73J)

直行便:

Effective 2026-02-12 through 2026-03-09


-

-



-

Duration: 4:53, non-stop
Boeing 737 (73J)

直行便:

Effective 2026-02-14 through 2026-03-07

-



-

-


-
Duration: 4:53, non-stop
Boeing 737 MAX 9 (7M9)

直行便:

Effective 2026-03-10 through 2026-03-15

-


-

-



Duration: 4:53, non-stop
Boeing 737 (73J)

直行便:

Effective 2026-03-11 through 2026-03-17





-

-

-
Duration: 4:53, non-stop
Boeing 737 MAX 9 (7M9)

直行便:

Operates only on 2026-03-18

-

-


-

-

-

-
Duration: 5:00, non-stop
Boeing 737 (73J)

直行便:

Effective 2026-05-21 through 2026-10-24







Duration: 4:53, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

直行便:

Valid until 2026-01-02

-

-

-

-


-

-
Duration: 4:56, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.

直行便:

Effective 2026-03-29 through 2026-04-29







Duration: 5:11, non-stop
Boeing 737 MAX 9 (7M9)

直行便:

Effective 2026-04-30 through 2026-05-20







Duration: 5:11, non-stop
Boeing 737-900 (739)

直行便:

Effective from 2026-05-21







Duration: 4:53, non-stop
Boeing 737-900 (739)

直行便:

Valid until 2026-01-05







Duration: 4:56, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

直行便:

Effective 2026-05-21 through 2026-08-17







Duration: 4:53, non-stop
Boeing 737-900 (739)

直行便:

Effective 2026-04-30 through 2026-05-20







Duration: 5:08, non-stop
Boeing 737 MAX 8 (7M8)

直行便:

Valid until 2026-01-01

-

-

-


-

-

-
Duration: 5:06, non-stop
Boeing 737-800 (738)

直行便:

Valid until 2026-01-05




-


-

Duration: 5:06, non-stop
Boeing 737 MAX 8 (7M8)

直行便:

Effective 2026-01-06 through 2026-02-03







Duration: 5:06, non-stop
Boeing 737-900 (739)
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  • 国内線 Seattle-Tacoma (SEA)空港から出発、 Washington Dulles (IAD)空港に到着。
  • この飛行距離は2299 マイルか 3699キロメートルです。
  • 出発地のタイムゾーンは UTC-8 , 目的地のタイムゾーンは UTC-5 . 出発地の現地時間が(loading...)に、目的地の現地時間が(loading...)です。 出発地と目的地の時差は(loading...)時間です。
  • 直行便で最短フライト時間は 4:50 と最長フライト時間は5:17です。