從 Washington Dulles (IAD) 至 Seattle-Tacoma (SEA)全部航班
| 航班時刻表 |
|---|
| 直飛﹣共掛航班 |
| 每日
19:18
Washington Dulles (IAD)
22:06
Seattle-Tacoma (SEA) American Airlines AA 7458 Non-stop Boeing 737 (737) 5:48 Effective from 2026-06-10 共掛航班，由Alaska Airlines負責飛行。(AS 737) |
| 每日
06:30
Washington Dulles (IAD)
09:10
Seattle-Tacoma (SEA) American Airlines AA 7484 Non-stop Boeing 737 (737) 5:40 Effective 2026-05-13 through 2026-06-09 共掛航班，由Alaska Airlines負責飛行。(AS 351) |
| 每日
06:30
Washington Dulles (IAD)
09:19
Seattle-Tacoma (SEA) American Airlines AA 7484 Non-stop Boeing 737 (737) 5:49 Effective from 2026-06-10 共掛航班，由Alaska Airlines負責飛行。(AS 351) |
| 星期三
07:00
Washington Dulles (IAD)
09:45
Seattle-Tacoma (SEA) American Airlines AA 7484 Non-stop Boeing 737 (737) 5:45 Operates only on 2026-03-18 共掛航班，由Alaska Airlines負責飛行。(AS 351) |
| 每日
07:00
Washington Dulles (IAD)
09:54
Seattle-Tacoma (SEA) American Airlines AA 7484 Non-stop Boeing 737 (737) 5:54 Effective 2026-03-19 through 2026-05-12 共掛航班，由Alaska Airlines負責飛行。(AS 351) |
| 每日
07:05
Washington Dulles (IAD)
10:05
Seattle-Tacoma (SEA) American Airlines AA 7484 Non-stop Boeing 737 (737) 6:00 Effective 2026-02-13 through 2026-03-17 共掛航班，由Alaska Airlines負責飛行。(AS 351) |
| 每日
07:33
Washington Dulles (IAD)
10:20
Seattle-Tacoma (SEA) American Airlines AA 7484 Non-stop Boeing 737 (737) 5:47 Valid until 2026-01-06 共掛航班，由Alaska Airlines負責飛行。(AS 351) |
| 每日
17:35
Washington Dulles (IAD)
20:10
Seattle-Tacoma (SEA) Lufthansa LH 7484 Non-stop Boeing 737-900 (739) 5:35 Effective 2026-05-21 through 2026-10-24 共掛航班，由United Airlines負責飛行。(UA 326) |
| 每日
17:55
Washington Dulles (IAD)
20:57
Seattle-Tacoma (SEA) Lufthansa LH 7484 Non-stop Boeing 737 MAX 9 (7M9) 6:02 Valid until 2026-01-05 共掛航班，由United Airlines負責飛行。(UA 326) |
| 每日
17:55
Washington Dulles (IAD)
20:57
Seattle-Tacoma (SEA) Lufthansa LH 7484 Non-stop Boeing 737-900 (739) 6:02 Effective 2026-01-06 through 2026-02-11 共掛航班，由United Airlines負責飛行。(UA 1159) |
| 每日
17:55
Washington Dulles (IAD)
20:56
Seattle-Tacoma (SEA) Lufthansa LH 7484 Non-stop Boeing 737 MAX 8 (7M8) 6:01 Effective 2026-02-12 through 2026-03-05 共掛航班，由United Airlines負責飛行。(UA 326) |
| 星期五,星期六
17:55
Washington Dulles (IAD)
20:56
Seattle-Tacoma (SEA) Lufthansa LH 7484 Non-stop Boeing 737-800 (738) 6:01 Effective 2026-03-06 through 2026-03-07 共掛航班，由United Airlines負責飛行。(UA 1303) |
| 每日
17:55
Washington Dulles (IAD)
20:52
Seattle-Tacoma (SEA) Lufthansa LH 7484 Non-stop Boeing 737 MAX 9 (7M9) 5:57 Effective 2026-03-29 through 2026-05-20 共掛航班，由United Airlines負責飛行。(UA 326) |
| 每日
17:35
Washington Dulles (IAD)
20:10
Seattle-Tacoma (SEA) Austrian OS 7907 Non-stop Boeing 737-900 (739) 5:35 Effective from 2026-05-21 共掛航班，由United Airlines負責飛行。(UA 326) |
| 每日
17:55
Washington Dulles (IAD)
20:57
Seattle-Tacoma (SEA) Austrian OS 7907 Non-stop Boeing 737 MAX 9 (7M9) 6:02 Valid until 2026-01-05 共掛航班，由United Airlines負責飛行。(UA 326) |
| 每日
17:55
Washington Dulles (IAD)
20:57
Seattle-Tacoma (SEA) Austrian OS 7907 Non-stop Boeing 737-900 (739) 6:02 Effective 2026-01-06 through 2026-01-12 共掛航班，由United Airlines負責飛行。(UA 1159) |
| 星期一,星期三,星期五-星期日
17:55
Washington Dulles (IAD)
20:57
Seattle-Tacoma (SEA) Austrian OS 7907 Non-stop Boeing 737-900 (739) 6:02 Effective 2026-01-14 through 2026-02-09 共掛航班，由United Airlines負責飛行。(UA 1159) |
| 星期一,星期四-星期日
17:55
Washington Dulles (IAD)
20:56
Seattle-Tacoma (SEA) Austrian OS 7907 Non-stop Boeing 737 MAX 8 (7M8) 6:01 Effective 2026-02-12 through 2026-03-02 共掛航班，由United Airlines負責飛行。(UA 326) |
| 星期一-星期四
17:55
Washington Dulles (IAD)
20:56
Seattle-Tacoma (SEA) Austrian OS 7907 Non-stop Boeing 737 MAX 8 (7M8) 6:01 Effective 2026-03-03 through 2026-03-26 共掛航班，由United Airlines負責飛行。(UA 326) |
| 星期五,星期六
17:55
Washington Dulles (IAD)
20:56
Seattle-Tacoma (SEA) Austrian OS 7907 Non-stop Boeing 737-800 (738) 6:01 Effective 2026-03-06 through 2026-03-28 共掛航班，由United Airlines負責飛行。(UA 1303) |
| 星期日
17:55
Washington Dulles (IAD)
20:56
Seattle-Tacoma (SEA) Austrian OS 7907 Non-stop Boeing 737-900 (739) 6:01 Effective 2026-03-08 through 2026-03-22 共掛航班，由United Airlines負責飛行。(UA 1303) |
| 每日
17:55
Washington Dulles (IAD)
20:52
Seattle-Tacoma (SEA) Austrian OS 7907 Non-stop Boeing 737 MAX 9 (7M9) 5:57 Effective 2026-03-29 through 2026-05-20 共掛航班，由United Airlines負責飛行。(UA 326) |
| 每日
07:00
Washington Dulles (IAD)
10:01
Seattle-Tacoma (SEA) China Eastern MU 8778 Non-stop Airbus A220-300 (223) 6:01 Effective 2026-03-08 through 2026-03-14 共掛航班，由Delta Air Lines負責飛行。(DL 1015) |
| 每日
07:00
Washington Dulles (IAD)
10:03
Seattle-Tacoma (SEA) China Eastern MU 8778 Non-stop Airbus A220-300 (223) 6:03 Effective 2026-03-15 through 2026-04-12 共掛航班，由Delta Air Lines負責飛行。(DL 1015) |
| 星期一,星期二,星期五-星期日
07:05
Washington Dulles (IAD)
10:02
Seattle-Tacoma (SEA) China Eastern MU 8778 Non-stop Airbus A220-300 (223) 5:57 Valid until 2026-01-04 共掛航班，由Delta Air Lines負責飛行。(DL 1084) |
| 每日
07:05
Washington Dulles (IAD)
10:05
Seattle-Tacoma (SEA) China Eastern MU 8778 Non-stop Airbus A220-300 (223) 6:00 Effective from 2026-10-06 共掛航班，由Delta Air Lines負責飛行。(DL 1015) |
| 每日
07:10
Washington Dulles (IAD)
10:03
Seattle-Tacoma (SEA) China Eastern MU 8778 Non-stop Airbus A220-300 (223) 5:53 Effective 2026-04-13 through 2026-10-05 共掛航班，由Delta Air Lines負責飛行。(DL 1015) |
| 每日
07:30
Washington Dulles (IAD)
10:29
Seattle-Tacoma (SEA) China Eastern MU 8778 Non-stop Airbus A220-300 (223) 5:59 Effective 2026-01-05 through 2026-03-07 共掛航班，由Delta Air Lines負責飛行。(DL 1015) |
| 每日
06:30
Washington Dulles (IAD)
09:10
Seattle-Tacoma (SEA) Qatar Airways QR 8811 Non-stop Boeing 737 (73J) 5:40 Effective 2026-05-13 through 2026-06-09 共掛航班，由Alaska Airlines負責飛行。(AS 351) |
| 每日
06:30
Washington Dulles (IAD)
09:19
Seattle-Tacoma (SEA) Qatar Airways QR 8811 Non-stop Boeing 737 (73J) 5:49 Effective from 2026-06-10 共掛航班，由Alaska Airlines負責飛行。(AS 351) |
| 星期三
07:00
Washington Dulles (IAD)
09:45
Seattle-Tacoma (SEA) Qatar Airways QR 8811 Non-stop Boeing 737 (73J) 5:45 Operates only on 2026-03-18 共掛航班，由Alaska Airlines負責飛行。(AS 351) |
| 每日
07:00
Washington Dulles (IAD)
09:54
Seattle-Tacoma (SEA) Qatar Airways QR 8811 Non-stop Boeing 737 (73J) 5:54 Effective 2026-03-19 through 2026-05-12 共掛航班，由Alaska Airlines負責飛行。(AS 351) |
| 星期一,星期二,星期五-星期日
07:05
Washington Dulles (IAD)
10:05
Seattle-Tacoma (SEA) Qatar Airways QR 8811 Non-stop Boeing 737 MAX 9 (7M9) 6:00 Effective 2026-02-13 through 2026-02-28 共掛航班，由Alaska Airlines負責飛行。(AS 351) |
| 星期三
07:05
Washington Dulles (IAD)
10:05
Seattle-Tacoma (SEA) Qatar Airways QR 8811 Non-stop Boeing 737-800 (73H) 6:00 Operates only on 2026-02-18 共掛航班，由Alaska Airlines負責飛行。(AS 351) |
| 星期三,星期四
07:05
Washington Dulles (IAD)
10:05
Seattle-Tacoma (SEA) Qatar Airways QR 8811 Non-stop Boeing 737 (73J) 6:00 Effective 2026-02-19 through 2026-02-26 共掛航班，由Alaska Airlines負責飛行。(AS 351) |
| 星期二-星期四,星期日
07:05
Washington Dulles (IAD)
10:05
Seattle-Tacoma (SEA) Qatar Airways QR 8811 Non-stop Boeing 737 (73J) 6:00 Effective 2026-03-01 through 2026-03-05 共掛航班，由Alaska Airlines負責飛行。(AS 351) |
| 星期一,星期五,星期六
07:05
Washington Dulles (IAD)
10:05
Seattle-Tacoma (SEA) Qatar Airways QR 8811 Non-stop Boeing 737 MAX 9 (7M9) 6:00 Effective 2026-03-02 through 2026-03-07 共掛航班，由Alaska Airlines負責飛行。(AS 351) |
| 星期三,星期四,星期日
07:05
Washington Dulles (IAD)
10:05
Seattle-Tacoma (SEA) Qatar Airways QR 8811 Non-stop Boeing 737 (73J) 6:00 Effective 2026-03-08 through 2026-03-15 共掛航班，由Alaska Airlines負責飛行。(AS 351) |
| 星期一,星期二,星期五,星期六
07:05
Washington Dulles (IAD)
10:05
Seattle-Tacoma (SEA) Qatar Airways QR 8811 Non-stop Boeing 737 MAX 9 (7M9) 6:00 Effective 2026-03-09 through 2026-03-17 共掛航班，由Alaska Airlines負責飛行。(AS 351) |
| 每日
07:33
Washington Dulles (IAD)
10:20
Seattle-Tacoma (SEA) Qatar Airways QR 8811 Non-stop Boeing 737 MAX 9 (7M9) 5:47 Valid until 2026-01-04 共掛航班，由Alaska Airlines負責飛行。(AS 351) |
| 星期一,星期二
07:33
Washington Dulles (IAD)
10:20
Seattle-Tacoma (SEA) Qatar Airways QR 8811 Non-stop Boeing 737 (73J) 5:47 Effective 2026-01-05 through 2026-01-06 共掛航班，由Alaska Airlines負責飛行。(AS 351) |
| 每日
17:35
Washington Dulles (IAD)
20:10
Seattle-Tacoma (SEA) Brussels Airlines SN 8849 Non-stop Boeing 737-900 (739) 5:35 Effective from 2026-05-21 共掛航班，由United Airlines負責飛行。(UA 326) |
| 每日
17:55
Washington Dulles (IAD)
20:57
Seattle-Tacoma (SEA) Brussels Airlines SN 8849 Non-stop Boeing 737 MAX 9 (7M9) 6:02 Valid until 2026-01-05 共掛航班，由United Airlines負責飛行。(UA 326) |
| 每日
17:55
Washington Dulles (IAD)
20:57
Seattle-Tacoma (SEA) Brussels Airlines SN 8849 Non-stop Boeing 737-900 (739) 6:02 Effective 2026-01-06 through 2026-02-03 共掛航班，由United Airlines負責飛行。(UA 1159) |
| 每日
17:55
Washington Dulles (IAD)
20:57
Seattle-Tacoma (SEA) Brussels Airlines SN 8849 Non-stop Boeing 737-900 (739) 6:02 Effective 2026-02-05 through 2026-02-11 共掛航班，由United Airlines負責飛行。(UA 1159) |
| 每日
17:55
Washington Dulles (IAD)
20:56
Seattle-Tacoma (SEA) Brussels Airlines SN 8849 Non-stop Boeing 737 MAX 8 (7M8) 6:01 Effective 2026-02-12 through 2026-03-05 共掛航班，由United Airlines負責飛行。(UA 326) |
| 星期五,星期六
17:55
Washington Dulles (IAD)
20:56
Seattle-Tacoma (SEA) Brussels Airlines SN 8849 Non-stop Boeing 737-800 (738) 6:01 Effective 2026-03-06 through 2026-03-28 共掛航班，由United Airlines負責飛行。(UA 1303) |
| 星期日
17:55
Washington Dulles (IAD)
20:56
Seattle-Tacoma (SEA) Brussels Airlines SN 8849 Non-stop Boeing 737-900 (739) 6:01 Effective 2026-03-08 through 2026-03-22 共掛航班，由United Airlines負責飛行。(UA 1303) |
| 星期一-星期四
17:55
Washington Dulles (IAD)
20:56
Seattle-Tacoma (SEA) Brussels Airlines SN 8849 Non-stop Boeing 737 MAX 8 (7M8) 6:01 Effective 2026-03-09 through 2026-03-26 共掛航班，由United Airlines負責飛行。(UA 326) |
| 每日
17:55
Washington Dulles (IAD)
20:52
Seattle-Tacoma (SEA) Brussels Airlines SN 8849 Non-stop Boeing 737 MAX 9 (7M9) 5:57 Effective 2026-03-29 through 2026-05-20 共掛航班，由United Airlines負責飛行。(UA 326) |
- 國內航線 從 Washington Dulles (IAD)機場出發，抵達 Seattle-Tacoma (SEA)機場。
- 此航班最佳飛行距離為 2299 哩( 3699 公里)。
- 出發地時區為 UTC-5 , 目的地時區為 UTC-8 . 出發地目前時間為 (loading...)，目的地目前時間為 (loading...) 。 兩地時差為(loading...) 小時。
- 直飛航班最短飛行時間為5:35，最長飛行時間為 6:08。
