Delta Flight 3959 Deals & Information (2026/2027)

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Delta Flight 3959 Route Deals From $109

The cheapest prices found with in the last 7 days for return flights were $180 and $109 for one-way flights to Seattle - Tacoma Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, May 14 - Mon, May 18
BOI
Boise
SEA
Seattle - Tacoma Intl.
$180 Roundtrip, found 2 hours ago
$180
Roundtrip
found 2 hours ago
Select Delta flight, departing Thu, May 14 from Boise to Seattle - Tacoma Intl., returning Mon, May 18, priced at $180 found 2 hours ago
Thu, May 14 - Mon, May 18
BOI
Boise
SEA
Seattle - Tacoma Intl.
$200 Roundtrip, found 2 hours ago
$200
Roundtrip
found 2 hours ago
Select Delta flight, departing Thu, May 14 from Boise to Seattle - Tacoma Intl., returning Mon, May 18, priced at $200 found 2 hours ago
Thu, Apr 23 - Wed, Apr 29
BOI
Boise
SEA
Seattle - Tacoma Intl.
$206 Roundtrip, found 15 hours ago
$206
Roundtrip
found 15 hours ago
Select Delta flight, departing Thu, Apr 23 from Boise to Seattle - Tacoma Intl., returning Wed, Apr 29, priced at $206 found 15 hours ago