Delta Flight 4001 Deals & Information (2025/2026)

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Delta Flight 4001 Route Deals From $60

The cheapest prices found with in the last 7 days for return flights were $79 and $60 for one-way flights to Portland Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jan 16 - Sun, Jan 18
SEA
Seattle - Tacoma Intl.
PDX
Portland Intl.
$79 Roundtrip, found 2 hours ago
$79
Roundtrip
found 2 hours ago
Select Delta flight, departing Fri, Jan 16 from Seattle - Tacoma Intl. to Portland Intl., returning Sun, Jan 18, priced at $79 found 2 hours ago
Mon, Jan 12 - Mon, Jan 19
SEA
Seattle - Tacoma Intl.
PDX
Portland Intl.
$122 Roundtrip, found 1 day ago
$122
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Jan 12 from Seattle - Tacoma Intl. to Portland Intl., returning Mon, Jan 19, priced at $122 found 1 day ago
Fri, Jan 16 - Sun, Jan 18
SEA
Seattle - Tacoma Intl.
PDX
Portland Intl.
$133 Roundtrip, found 2 hours ago
$133
Roundtrip
found 2 hours ago
Select Delta flight, departing Fri, Jan 16 from Seattle - Tacoma Intl. to Portland Intl., returning Sun, Jan 18, priced at $133 found 2 hours ago
Fri, Jan 23 - Sun, Jan 25
SEA
Seattle - Tacoma Intl.
PDX
Portland Intl.
$136 Roundtrip, found 1 day ago
$136
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Jan 23 from Seattle - Tacoma Intl. to Portland Intl., returning Sun, Jan 25, priced at $136 found 1 day ago

Frequently asked questions

What route does flight number DL4001 take?
DL4001 jets between Salt Lake City, UT Airport (SLC-Salt Lake City Intl.) and Palm Springs Intl. Airport (PSP) directly. This service generally takes 1 hour and 42 minutes.
What kind of plane is on flight number DL4001?
The route for flight number DL4001 is predominantly SLC to Palm Springs Airport, and the Embraer 175 is the aircraft model you'll probably be heading off on.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your DL4001 flight with Travelocity, please visit our Customer Service Portal.