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 April 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.

$154 Cheap Flights from Duluth to Colorado in 2026

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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 - 11:37 pm

DLH

DEN

6h 27m

1 stop

4:45 pm - 11:08 pm

DEN

DLH

5h 23m

1 stop

$313United Airlines

mié., jun. 3 - sáb., jun. 13

4:30 pm - 8:15 pm

DLH

DEN

4h 45m

1 stop

6:00 am - 12:04 pm

DEN

DLH

5h 04m

1 stop

$318Delta

sáb., may. 9 - sáb., may. 16

11:19 am - 4:29 pm

DLH

DEN

6h 10m

1 stop

6:00 am - 2:22 pm

DEN

DLH

7h 22m

1 stop

$328United Airlines

mié., abr. 29 - dom., may. 3

4:30 pm - 8:15 pm

DLH

DEN

4h 45m

1 stop

6:00 am - 12:04 pm

DEN

DLH

5h 04m

1 stop

$332Delta

sáb., may. 9 - sáb., may. 16

5:15 am - 8:01 am

DLH

DEN

3h 46m

1 stop

6:00 am - 12:04 pm

DEN

DLH

5h 04m

1 stop

$337Delta

jue., may. 28 - sáb., may. 30

6:15 pm - 11:34 pm

DLH

DEN

6h 19m

1 stop

2:45 pm - 9:57 pm

DEN

DLH

6h 12m

1 stop

$338United Airlines

vie., sep. 11 - mié., sep. 16

2:57 pm - 7:40 pm

DLH

DEN

5h 43m

1 stop

6:00 am - 2:22 pm

DEN

DLH

7h 22m

1 stop

$340United Airlines

sáb., may. 2 - mar., may. 5

4:29 pm - 8:04 pm

DLH

DEN

4h 35m

1 stop

6:00 am - 12:04 pm

DEN

DLH

5h 04m

1 stop

$344Delta

lun., may. 4 - jue., may. 7

4:20 pm - 10:29 pm

DLH

DEN

7h 09m

1 stop

6:10 am - 10:57 am

DEN

DLH

3h 47m

1 stop

$356Delta

jue., ago. 20 - dom., ago. 23

4:29 pm - 8:04 pm

DLH

DEN

4h 35m

1 stop

6:00 am - 12:04 pm

DEN

DLH

5h 04m

1 stop

$363Delta

lun., may. 4 - vie., may. 15

United Airlines flights from Duluth to Colorado

Our best United Airlines deals on Duluth to Colorado flight tickets

United Airlines

Jun 3

DLH6:10 pmDuluth Intl

6h 27m

1 stop

DEN11:37 pmDenver Intl

Jun 13

DEN4:45 pmDenver Intl

5h 23m

1 stop

DLH11:08 pmDuluth Intl

$313

United Airlines

Apr 29

DLH11:19 amDuluth Intl

6h 10m

1 stop

DEN4:29 pmDenver Intl

May 3

DEN6:00 amDenver Intl

7h 22m

1 stop

DLH2:22 pmDuluth Intl

$328

United Airlines

Sep 11

DLH6:15 pmDuluth Intl

6h 19m

1 stop

DEN11:34 pmDenver Intl

Sep 16

DEN2:45 pmDenver Intl

6h 12m

1 stop

DLH9:57 pmDuluth Intl

$338

Delta flights from Duluth to Colorado

Our best Delta deals on Duluth to Colorado flight tickets

Delta

May 9

DLH4:30 pmDuluth Intl

4h 45m

1 stop

DEN8:15 pmDenver Intl

May 16

DEN6:00 amDenver Intl

5h 04m

1 stop

DLH12:04 pmDuluth Intl

$318

Delta

May 9

DLH4:30 pmDuluth Intl

4h 45m

1 stop

DEN8:15 pmDenver Intl

May 16

DEN6:00 amDenver Intl

5h 04m

1 stop

DLH12:04 pmDuluth Intl

$332

Delta

May 28

DLH5:15 amDuluth Intl

3h 46m

1 stop

DEN8:01 amDenver Intl

May 30

DEN6:00 amDenver Intl

5h 04m

1 stop

DLH12:04 pmDuluth Intl

$337

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

mié. 6/3

6:10 pm-11:37 pm

1 stop6h 27m

Denver Intl

sáb. 6/13

4:45 pm-11:08 pm

1 stop5h 23m

$313

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

sáb. 5/9

4:30 pm-8:15 pm

1 stop4h 45m

Denver Intl

sáb. 5/16

6:00 am-12:04 pm

1 stop5h 04m

$318

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

mié. 4/29

11:19 am-4:29 pm

1 stop6h 10m

Denver Intl

dom. 5/3

6:00 am-2:22 pm

1 stop7h 22m

$328

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

sáb. 5/9

4:30 pm-8:15 pm

1 stop4h 45m

Denver Intl

sáb. 5/16

6:00 am-12:04 pm

1 stop5h 04m

$332

Quickest round-trip

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

jue. 5/28

5:15 am-8:01 am

1 stop3h 46m

Denver Intl

sáb. 5/30

6:00 am-12:04 pm

1 stop5h 04m

$337

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

vie. 9/11

6:15 pm-11:34 pm

1 stop6h 19m

Denver Intl

mié. 9/16

2:45 pm-9:57 pm

1 stop6h 12m

$338

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

sáb. 5/2

2:57 pm-7:40 pm

1 stop5h 43m

Denver Intl

mar. 5/5

6:00 am-2:22 pm

1 stop7h 22m

$340

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

lun. 5/4

4:29 pm-8:04 pm

1 stop4h 35m

Denver Intl

jue. 5/7

6:00 am-12:04 pm

1 stop5h 04m

$344

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

jue. 8/20

4:20 pm-10:29 pm

1 stop7h 09m

Denver Intl

dom. 8/23

6:10 am-10:57 am

1 stop3h 47m

$356

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

lun. 5/4

4:29 pm-8:04 pm

1 stop4h 35m

Denver Intl

vie. 5/15

6:00 am-12:04 pm

1 stop5h 04m

$363

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 September is another great option to travel to Colorado, with average flight prices from Duluth averaging around $208.

Can stopping save me money on Duluth to Colorado flights?

You could potentially save up to 31% 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	3h 46m
Direct flights	None

The fastest flight from Duluth to Colorado takes 3h 46m

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 April 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 7.9 8,406 reviews		Search Delta flights
United Airlines	PriceFrom $238	Free Cancellation	Rating 7.4 9,581 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.