Delta Air Lines flights from Seattle-Tacoma (SEA) to Portland (PDX).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 18:00 Seattle-Tacoma (SEA) 18:59 Portland (PDX)
Delta Air Lines DL 3913 Non-stop Embraer EMB 175 (E7W) 0:59 Operates only on 2026-03-14
Sat 18:00 Seattle-Tacoma (SEA) 19:00 Portland (PDX)
Delta Air Lines DL 3913 Non-stop Embraer EMB 175 (E7W) 1:00 Effective 2026-03-21 through 2026-04-11
Daily 14:15 Seattle-Tacoma (SEA) 15:11 Portland (PDX)
Delta Air Lines DL 3918 Non-stop Embraer EMB 175 (E7W) 0:56 Effective 2026-02-12 through 2026-03-07
Daily 15:30 Seattle-Tacoma (SEA) 16:30 Portland (PDX)
Delta Air Lines DL 3918 Non-stop Embraer EMB 175 (E7W) 1:00 Effective 2026-01-05 through 2026-02-11
Daily 15:30 Seattle-Tacoma (SEA) 16:33 Portland (PDX)
Delta Air Lines DL 3918 Non-stop Embraer EMB 175 (E7W) 1:03 Effective 2026-04-13 through 2026-10-05
Daily 15:30 Seattle-Tacoma (SEA) 16:34 Portland (PDX)
Delta Air Lines DL 3918 Non-stop Embraer EMB 175 (E7W) 1:04 Effective from 2026-10-06
Daily 15:55 Seattle-Tacoma (SEA) 16:55 Portland (PDX)
Delta Air Lines DL 3918 Non-stop Embraer EMB 175 (E7W) 1:00 Effective 2026-03-08 through 2026-03-14
Daily 15:55 Seattle-Tacoma (SEA) 16:56 Portland (PDX)
Delta Air Lines DL 3918 Non-stop Embraer EMB 175 (E7W) 1:01 Effective 2026-03-15 through 2026-04-12
Daily 07:23 Seattle-Tacoma (SEA) 08:31 Portland (PDX)
Delta Air Lines DL 3953 Non-stop Embraer EMB 175 (E7W) 1:08 Effective 2026-03-08 through 2026-03-14
Daily 07:23 Seattle-Tacoma (SEA) 08:32 Portland (PDX)
Delta Air Lines DL 3953 Non-stop Embraer EMB 175 (E7W) 1:09 Effective 2026-03-15 through 2026-04-12
Daily 07:25 Seattle-Tacoma (SEA) 08:38 Portland (PDX)
Delta Air Lines DL 3953 Non-stop Embraer EMB 175 (E7W) 1:13 Valid until 2026-01-04
Daily 07:25 Seattle-Tacoma (SEA) 08:33 Portland (PDX)
Delta Air Lines DL 3953 Non-stop Embraer EMB 175 (E7W) 1:08 Effective 2026-01-05 through 2026-02-11
Daily 07:25 Seattle-Tacoma (SEA) 08:31 Portland (PDX)
Delta Air Lines DL 3953 Non-stop Embraer EMB 175 (E7W) 1:06 Effective 2026-02-12 through 2026-03-07
Daily 07:30 Seattle-Tacoma (SEA) 08:36 Portland (PDX)
Delta Air Lines DL 3953 Non-stop Embraer EMB 175 (E7W) 1:06 Effective 2026-04-13 through 2026-10-05
Daily 07:30 Seattle-Tacoma (SEA) 08:41 Portland (PDX)
Delta Air Lines DL 3953 Non-stop Embraer EMB 175 (E7W) 1:11 Effective from 2026-10-06
Mon-Fri,Sun 19:45 Seattle-Tacoma (SEA) 20:49 Portland (PDX)
Delta Air Lines DL 3997 Non-stop Embraer EMB 175 (E7W) 1:04 Effective 2026-04-13 through 2026-05-22
Mon-Fri,Sun 19:45 Seattle-Tacoma (SEA) 20:49 Portland (PDX)
Delta Air Lines DL 3997 Non-stop Embraer EMB 175 (E7W) 1:04 Effective 2026-05-25 through 2026-09-04
Mon-Fri,Sun 19:45 Seattle-Tacoma (SEA) 20:49 Portland (PDX)
Delta Air Lines DL 3997 Non-stop Embraer EMB 175 (E7W) 1:04 Effective 2026-09-07 through 2026-10-05
Mon-Fri,Sun 19:45 Seattle-Tacoma (SEA) 20:50 Portland (PDX)
Delta Air Lines DL 3997 Non-stop Embraer EMB 175 (E7W) 1:05 Effective from 2026-10-06
Daily 10:30 Seattle-Tacoma (SEA) 11:38 Portland (PDX)
Delta Air Lines DL 4001 Non-stop Embraer EMB 175 (E7W) 1:08 Valid until 2026-01-04
Daily 09:05 Seattle-Tacoma (SEA) 10:07 Portland (PDX)
Delta Air Lines DL 4023 Non-stop Embraer EMB 175 (E7W) 1:02 Effective 2026-01-05 through 2026-02-11
Daily 09:30 Seattle-Tacoma (SEA) 10:36 Portland (PDX)
Delta Air Lines DL 4023 Non-stop Embraer EMB 175 (E7W) 1:06 Effective 2026-04-13 through 2026-10-05
Daily 09:30 Seattle-Tacoma (SEA) 10:38 Portland (PDX)
Delta Air Lines DL 4023 Non-stop Embraer EMB 175 (E7W) 1:08 Effective from 2026-10-06
Daily 14:00 Seattle-Tacoma (SEA) 15:06 Portland (PDX)
Delta Air Lines DL 4062 Non-stop Embraer EMB 175 (E7W) 1:06 Effective 2026-04-13 through 2026-10-05
Daily 14:00 Seattle-Tacoma (SEA) 15:05 Portland (PDX)
Delta Air Lines DL 4062 Non-stop Embraer EMB 175 (E7W) 1:05 Effective from 2026-10-06
Wed,Thu 15:25 Seattle-Tacoma (SEA) 16:24 Portland (PDX)
Delta Air Lines DL 4065 Non-stop Embraer EMB 175 (E7W) 0:59 Valid until 2026-01-01
Mon,Tue,Fri-Sun 15:34 Seattle-Tacoma (SEA) 16:40 Portland (PDX)
Delta Air Lines DL 4065 Non-stop Embraer EMB 175 (E7W) 1:06 Valid until 2026-01-04
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Delta Air Lines flights from Seattle-Tacoma (SEA) to Portland (PDX).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL3913
18:00
Seattle-Tacoma (SEA)

18:59
Portland (PDX)
Operates only on 2026-03-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 0:59, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL3913
18:00
Seattle-Tacoma (SEA)

19:00
Portland (PDX)
Effective 2026-03-21 through 2026-04-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:00, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL3918
14:15
Seattle-Tacoma (SEA)

15:11
Portland (PDX)
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:56, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL3918
15:30
Seattle-Tacoma (SEA)

16:30
Portland (PDX)
Effective 2026-01-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:00, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL3918
15:30
Seattle-Tacoma (SEA)

16:33
Portland (PDX)
Effective 2026-04-13 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:03, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL3918
15:30
Seattle-Tacoma (SEA)

16:34
Portland (PDX)
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:04, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL3918
15:55
Seattle-Tacoma (SEA)

16:55
Portland (PDX)
Effective 2026-03-08 through 2026-03-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:00, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL3918
15:55
Seattle-Tacoma (SEA)

16:56
Portland (PDX)
Effective 2026-03-15 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:01, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL3953
07:23
Seattle-Tacoma (SEA)

08:31
Portland (PDX)
Effective 2026-03-08 through 2026-03-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:08, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL3953
07:23
Seattle-Tacoma (SEA)

08:32
Portland (PDX)
Effective 2026-03-15 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:09, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL3953
07:25
Seattle-Tacoma (SEA)

08:38
Portland (PDX)
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:13, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL3953
07:25
Seattle-Tacoma (SEA)

08:33
Portland (PDX)
Effective 2026-01-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:08, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL3953
07:25
Seattle-Tacoma (SEA)

08:31
Portland (PDX)
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:06, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL3953
07:30
Seattle-Tacoma (SEA)

08:36
Portland (PDX)
Effective 2026-04-13 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:06, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL3953
07:30
Seattle-Tacoma (SEA)

08:41
Portland (PDX)
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:11, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL3997
19:45
Seattle-Tacoma (SEA)

20:49
Portland (PDX)
Effective 2026-04-13 through 2026-05-22
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:04, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL3997
19:45
Seattle-Tacoma (SEA)

20:49
Portland (PDX)
Effective 2026-05-25 through 2026-09-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:04, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL3997
19:45
Seattle-Tacoma (SEA)

20:49
Portland (PDX)
Effective 2026-09-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:04, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL3997
19:45
Seattle-Tacoma (SEA)

20:50
Portland (PDX)
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:05, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL4001
10:30
Seattle-Tacoma (SEA)

11:38
Portland (PDX)
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:08, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL4023
09:05
Seattle-Tacoma (SEA)

10:07
Portland (PDX)
Effective 2026-01-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:02, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL4023
09:30
Seattle-Tacoma (SEA)

10:36
Portland (PDX)
Effective 2026-04-13 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:06, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL4023
09:30
Seattle-Tacoma (SEA)

10:38
Portland (PDX)
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:08, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL4062
14:00
Seattle-Tacoma (SEA)

15:06
Portland (PDX)
Effective 2026-04-13 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:06, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL4062
14:00
Seattle-Tacoma (SEA)

15:05
Portland (PDX)
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:05, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL4065
15:25
Seattle-Tacoma (SEA)

16:24
Portland (PDX)
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 0:59, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL4065
15:34
Seattle-Tacoma (SEA)

16:40
Portland (PDX)
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 1:06, non-stop
Embraer EMB 175 (E7W)
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  • A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Portland airport (PDX).
  • The flight distance is 129 miles, or 208 km.
  • The timezone of both the departure and the arrival airports is UTC-8 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 0:54 and 1:13.
All SEA-PDX flights
All Delta Air Lines flights
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