Domestic and international flight routes departing from Duluth International Airport.
Domestic Scheduled Flights
| Origin | Destination | Carier |
| DLH | IAD Washington, DC, DC US | Continental Airlines |
| DLH | DCA Washington, DC, DC US | Northwest Airlines |
| DLH | EWR Newark, NJ US | Northwest Airlines |
| DLH | IAD Washington, DC, DC US | Northwest Airlines |
| DLH | JFK New York City, NY US | Northwest Airlines |
| DLH | LGA New York City, NY US | Northwest Airlines |
| DLH | TPA Tampa, FL US | Northwest Airlines |
| DLH | DFW Dallas / Ft Worth, TX US | Northwest Airlines |
| DLH | MDW Chicago, IL US | Northwest Airlines |
| DLH | ORD Chicago, IL US | Northwest Airlines |
There are 10+ domestic flights from DLH airport.
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