Delta Flight AS3918 Deals & Information (2025/2026)

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Delta Flight 3918 Route Deals From $61

The cheapest prices found with in the last 7 days for return flights were $91 and $61 for one-way flights to Portland Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jan 10 - Sat, Jan 17
SEA
Seattle - Tacoma Intl.
PDX
Portland Intl.
$91 Roundtrip, found 2 days ago
$91
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Jan 10 from Seattle - Tacoma Intl. to Portland Intl., returning Sat, Jan 17, priced at $91 found 2 days ago
Sat, Nov 8 - Sat, Nov 15
SEA
Seattle - Tacoma Intl.
PDX
Portland Intl.
$93 Roundtrip, found 2 days ago
$93
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Nov 8 from Seattle - Tacoma Intl. to Portland Intl., returning Sat, Nov 15, priced at $93 found 2 days ago
Mon, Oct 27 - Sat, Nov 8
SEA
Seattle - Tacoma Intl.
PDX
Portland Intl.
$136 Roundtrip, found 2 days ago
$136
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Oct 27 from Seattle - Tacoma Intl. to Portland Intl., returning Sat, Nov 8, priced at $136 found 2 days ago
Sat, Jan 10 - Sat, Jan 17
SEA
Seattle - Tacoma Intl.
PDX
Portland Intl.
$151 Roundtrip, found 2 days ago
$151
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Jan 10 from Seattle - Tacoma Intl. to Portland Intl., returning Sat, Jan 17, priced at $151 found 2 days ago
Sat, Nov 8 - Sat, Nov 15
SEA
Seattle - Tacoma Intl.
PDX
Portland Intl.
$154 Roundtrip, found 2 days ago
$154
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Nov 8 from Seattle - Tacoma Intl. to Portland Intl., returning Sat, Nov 15, priced at $154 found 2 days ago
Sat, Nov 8 - Sat, Nov 15
SEA
Seattle - Tacoma Intl.
PDX
Portland Intl.
$157 Roundtrip, found 2 days ago
$157
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Nov 8 from Seattle - Tacoma Intl. to Portland Intl., returning Sat, Nov 15, priced at $157 found 2 days ago
Sat, Jan 10 - Sat, Jan 17
SEA
Seattle - Tacoma Intl.
PDX
Portland Intl.
$184 Roundtrip, found 2 days ago
$184
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Jan 10 from Seattle - Tacoma Intl. to Portland Intl., returning Sat, Jan 17, priced at $184 found 2 days ago