Direct flights from Duluth (DLH)

Duluth International Airport (DLH) is a small station with nonstop service to 3 destinations, flown by 3 airlines, led by Delta Air Lines, Sun Country Airlines, and United Airlines. The busiest nonstop from Duluth goes to Chicago. Where 2LNR tracks Delta Air Lines on a nonstop from DLH, it shows upgrade or award space by date.

Route data refreshed October 23, 2026. Routes and carriers reflect the schedule data behind 2LNR's route map.

Updated October 7, 2026.

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About Duluth International Airport (DLH)

Duluth International Airport (DLH) is the airport serving Duluth, United States. Its ICAO code is KDLH. Departure and arrival times at DLH are local to the America/Chicago time zone. Every one of its 3 nonstop destinations is inside United States.

Confirmed upgrade & award space on Duluth routes

2LNR tracks confirmed upgrade and award space on Delta Air Lines, segment by segment and date by date. Pick any Duluth destination below to open a calendar of departures, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade or award seats by date on the DLH routes 2LNR tracks, checked against live inventory so you know what's open before you book.

Set an alert

Premium inventory turns over fast. Watch a tracked Duluth route on Pro and 2LNR notifies you when space appears.

Plan on the map

Explore every DLH nonstop on the interactive route map, with connections and route statistics.

All nonstop destinations from Duluth (DLH)

These are the city pairs behind flights to and from Duluth: 3 nonstop destinations with active service at Duluth International Airport. Each route links to its own page, with confirmed upgrade or award space by date where 2LNR tracks the carrier.

Duluth to Chicago flights (DLH-ORD): United Airlines
Return: Chicago to Duluth
Duluth to Fort Myers flights (DLH-RSW): Sun Country Airlines
Return: Fort Myers to Duluth
Duluth to Minneapolis flights (DLH-MSP): Delta Air Lines
Return: Minneapolis to Duluth

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Nonstop flights to Duluth (DLH)

3 airports have nonstops to Duluth International Airport in 2LNR's schedule data. Here they are, with the airlines that fly each route.

Chicago to Duluth flights (ORD-DLH): United Airlines
Fort Myers to Duluth flights (RSW-DLH): Sun Country Airlines
Minneapolis to Duluth flights (MSP-DLH): Delta Air Lines

Airlines that fly out of Duluth (DLH)

The carriers with nonstop service from Duluth International Airport, ordered by how many destinations each one reaches. Each links to that airline's full route map.

Alternative airports near Duluth (DLH)

Nearby airports with nonstop service of their own, closest first. Distances are great-circle between the two airports' coordinates, not driving time, so check the ground connection before you treat one as a substitute.

Hibbing (HIB) (48 miles, 1 nonstop destination)
Brainerd (BRD) (96 miles, 1 nonstop destination)
Ironwood (IWD) (100 miles, 2 nonstop destinations)
Saint Cloud (STC) (130 miles, 2 nonstop destinations)
International Falls (INL) (132 miles, 1 nonstop destination)
Bemidji (BJI) (136 miles, 1 nonstop destination)

United States flights by airport

Frequently asked questions about Duluth (DLH)

How many nonstop destinations does Duluth International Airport (DLH) serve?

Duluth International Airport has active nonstop service to 3 destinations in 2LNR's schedule data. The busiest markets from DLH are Chicago, Minneapolis, and Fort Myers. The full list, with who flies each route and, where 2LNR tracks the carrier, upgrade and award space by date, is on this page.

Which airlines fly out of Duluth (DLH)?

The carriers with nonstop service from Duluth International Airport are listed in full on this page, each linked to its own route map. Delta Air Lines, Sun Country Airlines, and United Airlines run the most routes from Duluth, in that order. In 2LNR's schedule data that is 3 airlines in total.

How many airlines fly out of DLH?

2LNR's schedule data currently shows 3 airlines with at least one nonstop route from Duluth (DLH). That figure counts the carrier operating the flight rather than every carrier that sells a seat on it, so a codeshare marketed by a partner is not counted twice, and it moves with the season.

How do I check upgrade or award availability from DLH?

Pick any destination on this page, such as Minneapolis, to open a calendar of DLH departures with confirmed upgrade and award space on Delta Air Lines by date, the next 14 days free on every product and the full horizon on Pro. On Pro you can also set an alert so 2LNR notifies you when space opens.

Does 2LNR track flights from DLH?

Yes. Every nonstop route from Duluth International Airport in 2LNR's schedule data is listed, 3 destinations in total, and on the routes flown by Delta Air Lines what is shown is confirmed availability rather than a forecast, the next 14 days free on every product and the full horizon on Pro.

Where can you fly nonstop from Duluth (DLH)?

From Duluth (DLH), 2LNR's schedule data shows nonstop flights to Chicago, Fort Myers, and Minneapolis. This page lists every one, with the airlines that fly it.

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