Delta Flight NK3690 Deals & Information (2025/2026)

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Delta Flight 3690 Route Deals From $178

The cheapest prices found with in the last 7 days for return flights were $281 and $178 for one-way flights to Richmond Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Aug 8 - Tue, Aug 12
DTW
Detroit Metropolitan Wayne County
RIC
Richmond Intl.
$281 Roundtrip, found 3 days ago
$281
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Aug 8 from Detroit Metropolitan Wayne County to Richmond Intl., returning Tue, Aug 12, priced at $281 found 3 days ago

Frequently asked questions

What route does flight number DL3690 take?
DL3690 takes multiple routes. The most popular is Minneapolis - St. Paul Intl. Airport (MSP) to DLH, which is a direct flight. This flight typically takes 52 minutes. That said, there may possibly be other flights with this number that have one or more stops.
What terminal does DL3690 fly out of?
You'll most likely depart from Terminal 1 if you're beginning your journey at Minneapolis - St. Paul Intl. Airport (MSP). Flight number DL3690 serves multiple routes, but the direct flight between Minneapolis - St. Paul Intl. Airport (MSP) and Duluth Intl. Airport (DLH) is the most popular.
What kind of plane is on flight number DL3690?
DL3690 is a flight number that's used on lots of different routes. If you're traveling on the most popular one, Wold--Chamberlain Field to DLH, you'll likely be on the Bombardier CRJ900.
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 DL3690 flight with Travelocity, please visit our Customer Service Portal.