Delta Flight AS3674 Deals & Information (2025/2026)

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Delta Flight 3674 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, Nov 14 - Sun, Nov 16
SEA
Seattle - Tacoma Intl.
PDX
Portland Intl.
$79 Roundtrip, found 2 days ago
$79
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Nov 14 from Seattle - Tacoma Intl. to Portland Intl., returning Sun, Nov 16, priced at $79 found 2 days ago
Fri, Nov 14 - Sun, Nov 16
SEA
Seattle - Tacoma Intl.
PDX
Portland Intl.
$131 Roundtrip, found 2 days ago
$131
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Nov 14 from Seattle - Tacoma Intl. to Portland Intl., returning Sun, Nov 16, priced at $131 found 2 days ago

Frequently asked questions

What route does flight number DL3674 take?
DL3674 flies directly from Minneapolis - St. Paul Intl. Airport (MSP) to Sioux Falls Regional Airport (FSD) in about 1 hour and 6 minutes. It can be used on other routes though, some of which may be multi-stop journeys. Keep an eye out for this when locking in your seat to avoid any confusion.
What terminal does DL3674 fly out of?
You'll likely board the plane from Terminal 1 if you're booked on a flight out of Wold–Chamberlain Field. DL3674 serves a number of routes, but the direct flight between Minneapolis - St. Paul Intl. Airport (MSP) and FSD is the most frequently traveled.
What kind of plane is on flight number DL3674?
There's every chance you'll be on board the Bombardier CRJ900 if you've booked a ticket from Wold–Chamberlain Field to Sioux Falls, SD Airport (FSD-Sioux Falls Regional), one of several routes used for flight number DL3674.
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 DL3674 flight with Travelocity, please visit our Customer Service Portal.