What is the cheapest airline that flies from Duluth Intl to Colorado?

Delta and United Airlines are the most popular carriers operating from Duluth Intl to Colorado

When did momondo last update prices for flights from Duluth Intl Airport to Colorado?

Prices for flights from Duluth Intl Airport to Colorado were last updated today.

How many operators does momondo search for flights from Duluth Intl Airport to Colorado?

There are 2 operators available for flights from Duluth Intl Airport to Colorado as of July 2026.

How old do you have to be to fly from Duluth Intl Airport to Colorado?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Duluth Intl Airport to Colorado.

What documentation or ID do you need to fly to Colorado?

The required travel and health documents for your Colorado trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Colorado. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$193 Cheap Flights from Duluth to Colorado in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Duluth to Colorado

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:23 pm - 11:30 pm

DLH

DEN

6h 07m

1 stop

4:45 pm - 11:04 pm

DEN

DLH

5h 19m

1 stop

$298United Airlines

Wed, Nov 18 - Wed, Dec 2

5:15 am - 9:59 am

DLH

DEN

5h 44m

1 stop

6:00 am - 11:01 am

DEN

DLH

4h 01m

1 stop

$312Delta

Wed, Aug 19 - Tue, Aug 25

6:23 pm - 11:53 pm

DLH

DEN

6h 30m

1 stop

3:50 pm - 11:10 pm

DEN

DLH

6h 20m

1 stop

$326United Airlines

Fri, Sep 4 - Sat, Sep 12

4:11 pm - 8:05 pm

DLH

DEN

4h 54m

1 stop

6:00 am - 11:03 am

DEN

DLH

4h 03m

1 stop

$340Delta

Fri, Sep 25 - Mon, Sep 28

6:25 pm - 11:48 pm

DLH

DEN

6h 23m

1 stop

4:40 pm - 11:22 pm

DEN

DLH

5h 42m

1 stop

$356United Airlines

Tue, Aug 4 - Tue, Aug 11

3:14 pm - 7:54 pm

DLH

DEN

5h 40m

1 stop

7:45 am - 2:33 pm

DEN

DLH

5h 48m

1 stop

$372United Airlines

Mon, Nov 9 - Thu, Nov 12

3:14 pm - 9:31 pm

DLH

DEN

7h 17m

1 stop

3:00 pm - 11:04 pm

DEN

DLH

7h 04m

1 stop

$378United Airlines

Sat, Nov 7 - Wed, Nov 11

5:00 am - 8:06 am

DLH

DEN

4h 06m

1 stop

4:08 pm - 10:49 pm

DEN

DLH

5h 41m

1 stop

$386Delta

Wed, Jul 22 - Sat, Jul 25

6:25 pm - 11:48 pm

DLH

DEN

6h 23m

1 stop

4:59 pm - 11:23 pm

DEN

DLH

5h 24m

1 stop

$408United Airlines

Wed, Jul 22 - Tue, Jul 28

5:00 am - 8:06 am

DLH

DEN

4h 06m

1 stop

6:00 am - 11:04 am

DEN

DLH

4h 04m

1 stop

$416Delta

Wed, Jul 22 - Sun, Jul 26

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Delta flights from Duluth to Colorado

Our best Delta deals on Duluth to Colorado flight tickets

Delta

Aug 19

DLH5:15 amDuluth Intl

5h 44m

1 stop

DEN9:59 amDenver Intl

Aug 25

DEN6:00 amDenver Intl

4h 01m

1 stop

DLH11:01 amDuluth Intl

$312

Delta

Sep 25

DLH4:11 pmDuluth Intl

4h 54m

1 stop

DEN8:05 pmDenver Intl

Sep 28

DEN6:00 amDenver Intl

4h 03m

1 stop

DLH11:03 amDuluth Intl

$340

Delta

Jul 22

DLH5:00 amDuluth Intl

4h 06m

1 stop

DEN8:06 amDenver Intl

Jul 25

DEN4:08 pmDenver Intl

5h 41m

1 stop

DLH10:49 pmDuluth Intl

$386

United Airlines flights from Duluth to Colorado

Our best United Airlines deals on Duluth to Colorado flight tickets

United Airlines

Nov 18

DLH6:23 pmDuluth Intl

6h 07m

1 stop

DEN11:30 pmDenver Intl

Dec 2

DEN4:45 pmDenver Intl

5h 19m

1 stop

DLH11:04 pmDuluth Intl

$298

United Airlines

Sep 4

DLH6:23 pmDuluth Intl

6h 30m

1 stop

DEN11:53 pmDenver Intl

Sep 12

DEN3:50 pmDenver Intl

6h 20m

1 stop

DLH11:10 pmDuluth Intl

$326

United Airlines

Aug 4

DLH6:25 pmDuluth Intl

6h 23m

1 stop

DEN11:48 pmDenver Intl

Aug 11

DEN4:40 pmDenver Intl

5h 42m

1 stop

DLH11:22 pmDuluth Intl

$356

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Wed 11/18

6:23 pm-11:30 pm

1 stop6h 07m

Denver Intl

Wed 12/2

4:45 pm-11:04 pm

1 stop5h 19m

$298

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Wed 8/19

5:15 am-9:59 am

1 stop5h 44m

Denver Intl

Tue 8/25

6:00 am-11:01 am

1 stop4h 01m

$312

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Fri 9/4

6:23 pm-11:53 pm

1 stop6h 30m

Denver Intl

Sat 9/12

3:50 pm-11:10 pm

1 stop6h 20m

$326

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Fri 9/25

4:11 pm-8:05 pm

1 stop4h 54m

Denver Intl

Mon 9/28

6:00 am-11:03 am

1 stop4h 03m

$340

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Tue 8/4

6:25 pm-11:48 pm

1 stop6h 23m

Denver Intl

Tue 8/11

4:40 pm-11:22 pm

1 stop5h 42m

$356

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Mon 11/9

3:14 pm-7:54 pm

1 stop5h 40m

Denver Intl

Thu 11/12

7:45 am-2:33 pm

1 stop5h 48m

$372

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Sat 11/7

3:14 pm-9:31 pm

1 stop7h 17m

Denver Intl

Wed 11/11

3:00 pm-11:04 pm

1 stop7h 04m

$378

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Wed 7/22

5:00 am-8:06 am

1 stop4h 06m

Denver Intl

Sat 7/25

4:08 pm-10:49 pm

1 stop5h 41m

$386

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Wed 7/22

6:25 pm-11:48 pm

1 stop6h 23m

Denver Intl

Tue 7/28

4:59 pm-11:23 pm

1 stop5h 24m

$408

Quickest round-trip

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Wed 7/22

5:00 am-8:06 am

1 stop4h 06m

Denver Intl

Sun 7/26

6:00 am-11:04 am

1 stop4h 04m

$416

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Duluth to Colorado

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Colorado?

The month of December is, on average, the cheapest month to fly to Colorado from Duluth, with most prices found around $68. The month of October is another great option to travel to Colorado, with average flight prices from Duluth averaging around $88.

Can stopping save me money on Duluth to Colorado flights?

You could potentially save up to 52% on your flight if you consider stops on a Duluth to Colorado flight.

Cheap Duluth to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Duluth to Colorado

Fastest flight time	4h 06m
Direct flights	None

The fastest flight from Duluth to Colorado takes 4h 06m

There are no direct flights from Duluth to Colorado. There are no popular flight routes from Duluth to Colorado.

Search flight deals

Frequently asked questions about flying from Duluth to Colorado

When did momondo last update prices for flights from Duluth Intl Airport to Colorado?
Prices for flights from Duluth Intl Airport to Colorado were last updated today.
How many operators does momondo search for flights from Duluth Intl Airport to Colorado?
There are 2 operators available for flights from Duluth Intl Airport to Colorado as of July 2026.
How old do you have to be to fly from Duluth Intl Airport to Colorado?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Duluth Intl Airport to Colorado.
What documentation or ID do you need to fly to Colorado?
The required travel and health documents for your Colorado trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Colorado. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Duluth to Colorado

Compare and see reviews for airlines that fly from Duluth to Colorado with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $123	Free Cancellation	Rating 7.8 8,453 reviews		Search Delta flights
United Airlines	PriceFrom $266	Free Cancellation	Rating 7.4 9,955 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Duluth to Colorado?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Duluth to Colorado. momondo saves you time and could save you money on your trip.

Can I find flights from Duluth to Colorado with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Colorado from Duluth with this policy.

How can momondo help me find flights from Duluth to Colorado?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Duluth to Colorado.

I’m not ready to book a flight from Duluth to Colorado right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Colorado from Duluth. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.