Cheap flights from Duluth to Denver

One-way fares from $427 · DLH → DEN · prices found by travellers in the last 48 hours

Cheapest fare
$427

United Airlines · Sun, Nov 15

Cheapest month
November

from $427

Direct flights
Not recently

Usually 1+ stop

Quickest trip
4h 52m

1,300 km

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Cheapest month to fly from Duluth to Denver

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $427

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

United Airlines
Depart15:06 Sun, Nov 15DLH → DEN 4h 56m · 1 stop
$427one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Denver

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About flights from Duluth to Denver

Duluth (DLH) and Denver (DEN) are about 1,300 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 4h 52m. Over the next few months, one-way fares start from $427, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Duluth to Denver?

The cheapest one-way fare we've seen recently is $427 with United Airlines, departing Sunday, November 15, 2026.

What is the cheapest month to fly from Duluth to Denver?

November 2026 currently has the lowest fares, from $427 one way.

Are there direct flights from Duluth to Denver?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Duluth to Denver?

The quickest journey we've seen takes about 4h 52m. Duluth and Denver are around 1,300 km apart.

Which airlines fly from Duluth to Denver?

Recent fares on this route were with United Airlines.

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