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Cheap flights from Duluth to Colorado from $133

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Duluth to Colorado departing on 1/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
4:18 pm - 8:05 pm
DLH
-
DEN
4h 47m1 stop
Delta Logo
5:49 pm - 11:55 pm
DEN
-
DLH
5h 06m1 stop
$290Delta
Sat, Feb 21 - Sat, Feb 28
Delta Logo
12:15 pm - 4:39 pm
DLH
-
DEN
5h 24m1 stop
Delta Logo
2:42 pm - 7:32 pm
DEN
-
DLH
3h 50m1 stop
$329Delta
Sat, Feb 14 - Tue, Feb 17
United Airlines Logo
3:08 pm - 10:05 pm
DLH
-
DEN
7h 57m1 stop
United Airlines Logo
6:00 am - 2:27 pm
DEN
-
DLH
7h 27m1 stop
$358United Airlines
Thu, Apr 16 - Wed, Apr 22
United Airlines Logo
3:05 pm - 11:02 pm
DLH
-
DEN
8h 57m1 stop
United Airlines Logo
6:00 am - 2:30 pm
DEN
-
DLH
7h 30m1 stop
$387United Airlines
Sat, Jan 24 - Tue, Jan 27
United Airlines Logo
3:05 pm - 8:12 pm
DLH
-
DEN
6h 07m1 stop
United Airlines Logo
7:50 am - 2:30 pm
DEN
-
DLH
5h 40m1 stop
$417United Airlines
Sat, Jan 24 - Tue, Jan 27
United Airlines Logo
3:05 pm - 8:12 pm
DLH
-
DEN
6h 07m1 stop
United Airlines Logo
1:45 pm - 2:30 pm
DEN
-
DLH
23h 45m2 stops
$427United Airlines
Sat, Jan 24 - Tue, Jan 27
United Airlines Logo
3:08 pm - 10:32 am
DLH
-
DEN
20h 24m2 stops
United Airlines Logo
6:00 am - 2:27 pm
DEN
-
DLH
7h 27m1 stop
$443United Airlines
Thu, Apr 16 - Wed, Apr 22
United Airlines Logo
3:05 pm - 7:30 pm
DLH
-
DEN
29h 25m2 stops
United Airlines Logo
3:15 pm - 9:59 pm
DEN
-
DLH
5h 44m1 stop
$456United Airlines
Sat, Jan 17 - Wed, Jan 21
United Airlines Logo
3:05 pm - 11:02 pm
DLH
-
DEN
8h 57m1 stop
United Airlines Logo
5:42 pm - 2:30 pm
DEN
-
DLH
19h 48m2 stops
$457United Airlines
Sat, Jan 24 - Tue, Jan 27
United Airlines Logo
3:19 pm - 7:48 pm
DLH
-
DEN
5h 29m1 stop
United Airlines Logo
8:33 pm - 10:43 am
DEN
-
DLH
13h 10m2 stops
$462United Airlines
Sat, Feb 21 - Sat, Feb 28

Delta flights from Duluth to Colorado

Our best Delta deals on Duluth to Colorado flight tickets
Delta
Feb 21
DLH4:18 pmDuluth Intl
4h 47m
1 stop
DEN8:05 pmDenver Intl
Feb 28
DEN5:49 pmDenver Intl
5h 06m
1 stop
DLH11:55 pmDuluth Intl
$290
Find similar
Delta
Feb 14
DLH12:15 pmDuluth Intl
5h 24m
1 stop
DEN4:39 pmDenver Intl
Feb 17
DEN2:42 pmDenver Intl
3h 50m
1 stop
DLH7:32 pmDuluth Intl
$329
Find similar
Delta
Jan 11
DLH4:24 pmDuluth Intl
4h 41m
1 stop
DEN8:05 pmDenver Intl
Jan 15
DEN11:33 amDenver Intl
7h 02m
1 stop
DLH7:35 pmDuluth Intl
$472
Find similar

United Airlines flights from Duluth to Colorado

Our best United Airlines deals on Duluth to Colorado flight tickets
United Airlines
Apr 16
DLH3:08 pmDuluth Intl
7h 57m
1 stop
DEN10:05 pmDenver Intl
Apr 22
DEN6:00 amDenver Intl
7h 27m
1 stop
DLH2:27 pmDuluth Intl
$358
Find similar
United Airlines
Jan 24
DLH3:05 pmDuluth Intl
8h 57m
1 stop
DEN11:02 pmDenver Intl
Jan 27
DEN6:00 amDenver Intl
7h 30m
1 stop
DLH2:30 pmDuluth Intl
$387
Find similar
United Airlines
Jan 24
DLH3:05 pmDuluth Intl
6h 07m
1 stop
DEN8:12 pmDenver Intl
Jan 27
DEN1:45 pmDenver Intl
23h 45m
2 stops
DLH2:30 pmDuluth Intl
$427
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Duluth to Colorado that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 28, 2025.
Use the filters below to find and compare flights from Duluth to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Sat 2/21

4:18 pm-8:05 pm

1 stop4h 47m

Denver Intl

Sat 2/28

5:49 pm-11:55 pm

1 stop5h 06m

$290

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Sat 2/14

12:15 pm-4:39 pm

1 stop5h 24m

Denver Intl

Tue 2/17

2:42 pm-7:32 pm

1 stop3h 50m

$329

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Thu 4/16

3:08 pm-10:05 pm

1 stop7h 57m

Denver Intl

Wed 4/22

6:00 am-2:27 pm

1 stop7h 27m

$358

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Sat 1/24

3:05 pm-11:02 pm

1 stop8h 57m

Denver Intl

Tue 1/27

6:00 am-2:30 pm

1 stop7h 30m

$387

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Sat 1/24

3:05 pm-8:12 pm

1 stop6h 07m

Denver Intl

Tue 1/27

7:50 am-2:30 pm

1 stop5h 40m

$417

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Sat 1/24

3:05 pm-8:12 pm

1 stop6h 07m

Denver Intl

Tue 1/27

1:45 pm-2:30 pm

2 stops23h 45m

$427

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Thu 4/16

3:08 pm-10:32 am

2 stops20h 24m

Denver Intl

Wed 4/22

6:00 am-2:27 pm

1 stop7h 27m

$443

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Sat 1/17

3:05 pm-7:30 pm

2 stops29h 25m

Denver Intl

Wed 1/21

3:15 pm-9:59 pm

1 stop5h 44m

$456

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Sat 1/24

3:05 pm-11:02 pm

1 stop8h 57m

Denver Intl

Tue 1/27

5:42 pm-2:30 pm

2 stops19h 48m

$457

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Sat 2/21

3:19 pm-7:48 pm

1 stop5h 29m

Denver Intl

Sat 2/28

8:33 pm-10:43 am

2 stops13h 10m

$462

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Colorado from

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

What is the cheapest month to fly to Colorado?

The month of September is, on average, the cheapest month to fly to Colorado from Duluth, with most prices found around $153. The month of December is another great option to travel to Colorado, with average flight prices from Duluth averaging around $170.

What is the cheapest day to depart on your flight to Colorado?

The cheapest day to depart from Duluth to Colorado is on a Sunday when prices can be found for as low as $238. On the other hand, Monday is the most expensive day to depart from Duluth because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $416.

What is the cheapest time of day to depart on your flight to Colorado?

The cheapest time of day to fly to Colorado is at noon when flights can be purchased for as low as $268. In the morning is when there is more demand to fly to Colorado, so prices are often more expensive at around $383 per ticket.

Can stopping save me money on Duluth to Colorado flights?

You could potentially save up to 4% 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 47m

Direct flights

None
The fastest flight from Duluth to Colorado takes 4h 47m
There are no direct flights from Duluth to Colorado. There are no popular flight routes from Duluth to Colorado.
Search flight deals

  • 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?

  • 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
Sun Country AirPriceFrom $49Free CancellationRating
6.9
335 reviews
Search Sun Country Air flights
DeltaPriceFrom $153Free CancellationRating
7.9
8,021 reviews
Search Delta flights
United AirlinesPriceFrom $240Free CancellationRating
7.4
9,116 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.

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