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 October 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.

$205 Cheap Flights from Duluth to Colorado in 2026/27

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.

6:10 pm - 11:03 pmDLH Duluth Intl-DEN Denver Intl

5h 53m1 stop Chicago O'Hare Intl

8:17 am - 5:34 pmDEN Denver Intl-DLH Duluth Intl

8h 17m1 stop Chicago O'Hare Intl

$328United Airlines

Tue, Mar 30 - Sat, Apr 3

4:15 pm - 8:00 pmDLH Duluth Intl-DEN Denver Intl

4h 45m1 stop Minneapolis St Paul

6:10 am - 11:15 amDEN Denver Intl-DLH Duluth Intl

4h 05m1 stop Minneapolis St Paul

$344Delta

Wed, Feb 24 - Sun, Feb 28

6:23 am - 12:45 pmDLH Duluth Intl-DEN Denver Intl

7h 22m1 stop Chicago O'Hare Intl

3:01 pm - 11:14 pmDEN Denver Intl-DLH Duluth Intl

7h 13m1 stop Chicago O'Hare Intl

$362United Airlines

Tue, Nov 3 - Tue, Nov 10

3:06 pm - 10:44 pmDLH Duluth Intl-DEN Denver Intl

8h 38m1 stop Chicago O'Hare Intl

3:12 pm - 9:47 pmDEN Denver Intl-DLH Duluth Intl

5h 35m1 stop Chicago O'Hare Intl

$386United Airlines

Wed, Nov 25 - Wed, Dec 2

3:06 pm - 10:44 pmDLH Duluth Intl-DEN Denver Intl

8h 38m1 stop Chicago O'Hare Intl

3:01 pm - 11:14 pmDEN Denver Intl-DLH Duluth Intl

7h 13m1 stop Chicago O'Hare Intl

$395United Airlines

Fri, Oct 30 - Wed, Nov 4

12:00 pm - 3:56 pmDLH Duluth Intl-DEN Denver Intl

4h 56m1 stop Minneapolis St Paul

6:10 am - 11:15 amDEN Denver Intl-DLH Duluth Intl

4h 05m1 stop Minneapolis St Paul

$396Delta

Wed, Mar 10 - Sun, Mar 14

12:00 pm - 3:56 pmDLH Duluth Intl-DEN Denver Intl

4h 56m1 stop Minneapolis St Paul

2:20 pm - 7:36 pmDEN Denver Intl-DLH Duluth Intl

4h 16m1 stop Minneapolis St Paul

$410Delta

Tue, Jan 12 - Thu, Jan 14

6:17 pm - 11:35 pmDLH Duluth Intl-DEN Denver Intl

6h 18m1 stop Chicago O'Hare Intl

4:48 pm - 11:14 pmDEN Denver Intl-DLH Duluth Intl

5h 26m1 stop Chicago O'Hare Intl

$415United Airlines

Sat, Oct 31 - Sun, Nov 1

3:06 pm - 10:29 pmDLH Duluth Intl-DEN Denver Intl

8h 23m1 stop Chicago O'Hare Intl

6:00 am - 2:30 pmDEN Denver Intl-DLH Duluth Intl

7h 30m1 stop Chicago O'Hare Intl

$428United Airlines

Sat, Nov 14 - Wed, Nov 18

6:17 pm - 11:30 pmDLH Duluth Intl-DEN Denver Intl

6h 13m1 stop Chicago O'Hare Intl

6:00 am - 2:30 pmDEN Denver Intl-DLH Duluth Intl

7h 30m1 stop Chicago O'Hare Intl

$428United Airlines

Sat, Nov 14 - Wed, Nov 18

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United Airlines flights from Duluth to Colorado

Our best United Airlines deals on Duluth to Colorado flight tickets

United Airlines

Mar 30

DLH6:10 pmDuluth Intl

5h 53m

1 stop

DEN11:03 pmDenver Intl

Apr 3

DEN8:17 amDenver Intl

8h 17m

1 stop

DLH5:34 pmDuluth Intl

$328

United Airlines

Nov 3

DLH6:23 amDuluth Intl

7h 22m

1 stop

DEN12:45 pmDenver Intl

Nov 10

DEN3:01 pmDenver Intl

7h 13m

1 stop

DLH11:14 pmDuluth Intl

$362

United Airlines

Nov 25

DLH3:06 pmDuluth Intl

8h 38m

1 stop

DEN10:44 pmDenver Intl

Dec 2

DEN3:12 pmDenver Intl

5h 35m

1 stop

DLH9:47 pmDuluth Intl

$386

Delta flights from Duluth to Colorado

Our best Delta deals on Duluth to Colorado flight tickets

Delta

Feb 24

DLH4:15 pmDuluth Intl

4h 45m

1 stop

DEN8:00 pmDenver Intl

Feb 28

DEN6:10 amDenver Intl

4h 05m

1 stop

DLH11:15 amDuluth Intl

$344

Delta

Mar 10

DLH12:00 pmDuluth Intl

4h 56m

1 stop

DEN3:56 pmDenver Intl

Mar 14

DEN6:10 amDenver Intl

4h 05m

1 stop

DLH11:15 amDuluth Intl

$396

Delta

Jan 12

DLH12:00 pmDuluth Intl

4h 56m

1 stop

DEN3:56 pmDenver Intl

Jan 14

DEN2:20 pmDenver Intl

4h 16m

1 stop

DLH7:36 pmDuluth Intl

$410

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Tue 3/30

6:10 pm-11:03 pm

1 stop5h 53m

Denver Intl

Sat 4/3

8:17 am-5:34 pm

1 stop8h 17m

$328

Quickest round-trip

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Wed 2/24

4:15 pm-8:00 pm

1 stop4h 45m

Denver Intl

Sun 2/28

6:10 am-11:15 am

1 stop4h 05m

$344

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Tue 11/3

6:23 am-12:45 pm

1 stop7h 22m

Denver Intl

Tue 11/10

3:01 pm-11:14 pm

1 stop7h 13m

$362

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Wed 11/25

3:06 pm-10:44 pm

1 stop8h 38m

Denver Intl

Wed 12/2

3:12 pm-9:47 pm

1 stop5h 35m

$386

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Fri 10/30

3:06 pm-10:44 pm

1 stop8h 38m

Denver Intl

Wed 11/4

3:01 pm-11:14 pm

1 stop7h 13m

$395

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Wed 3/10

12:00 pm-3:56 pm

1 stop4h 56m

Denver Intl

Sun 3/14

6:10 am-11:15 am

1 stop4h 05m

$396

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Tue 1/12

12:00 pm-3:56 pm

1 stop4h 56m

Denver Intl

Thu 1/14

2:20 pm-7:36 pm

1 stop4h 16m

$410

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Sat 10/31

6:17 pm-11:35 pm

1 stop6h 18m

Denver Intl

Sun 11/1

4:48 pm-11:14 pm

1 stop5h 26m

$415

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Sat 11/14

3:06 pm-10:29 pm

1 stop8h 23m

Denver Intl

Wed 11/18

6:00 am-2:30 pm

1 stop7h 30m

$428

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Sat 11/14

6:17 pm-11:30 pm

1 stop6h 13m

Denver Intl

Wed 11/18

6:00 am-2:30 pm

1 stop7h 30m

$428

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 $170. The month of November is another great option to travel to Colorado, with average flight prices from Duluth averaging around $328.

Can stopping save me money on Duluth to Colorado flights?

You could potentially save up to 43% 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

Best Price Found	$205
Fastest flight time	4h 45m
Direct flights	None

The best one-way flight to Colorado from Duluth in the past 72 hours is $205. The best round-trip flight deal from Duluth to Colorado found on momondo in the last 72 hours is $328.

The fastest flight from Duluth to Colorado takes 4h 45m

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 October 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 $178	Free Cancellation	Rating 7.8 8,636 reviews		Search Delta flights
United Airlines	PriceFrom $266	Free Cancellation	Rating 7.4 10,314 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.