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Cheap flights from Duluth to Colorado from $113

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 10/8. 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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Find the cheapest flights from Duluth to Colorado

Cheap round-trip flights

Delta Logo
10:50 am - 3:41 pmDLH-DEN
5h 51m1 stop
Delta Logo
6:05 am - 11:22 amDEN-DLH
4h 17m1 stop
$232Delta
Find Deal
Fri, Oct 31 - Tue, Nov 4
United Airlines Logo
3:07 pm - 10:00 pmDLH-DEN
7h 53m1 stop
United Airlines Logo
2:45 pm - 10:08 pmDEN-DLH
6h 23m1 stop
$296United Airlines
Find Deal
Tue, Oct 7 - Tue, Oct 14
United Airlines Logo
8:00 am - 12:40 pmDLH-DEN
5h 40m1 stop
United Airlines Logo
6:00 am - 2:32 pmDEN-DLH
7h 32m1 stop
$318United Airlines
Find Deal
Fri, Oct 3 - Sun, Oct 5
Delta Logo
10:50 am - 3:44 pmDLH-DEN
5h 54m1 stop
Delta Logo
6:05 am - 11:22 amDEN-DLH
4h 17m1 stop
$327Delta
Find Deal
Sat, Oct 4 - Sat, Oct 11
Delta Logo
10:50 am - 3:44 pmDLH-DEN
5h 54m1 stop
Delta Logo
6:05 am - 11:22 amDEN-DLH
4h 17m1 stop
$328Delta
Find Deal
Sat, Oct 4 - Sat, Oct 11
Delta Logo
4:19 pm - 7:54 pmDLH-DEN
4h 35m1 stop
Delta Logo
6:05 am - 11:22 amDEN-DLH
4h 17m1 stop
$352Delta
Find Deal
Sat, Oct 4 - Sat, Oct 11
Delta Logo
12:01 pm - 3:39 pmDLH-DEN
4h 38m1 stop
Delta Logo
6:59 pm - 11:50 pmDEN-DLH
3h 51m1 stop
$368Delta
Find Deal
Mon, Nov 10 - Thu, Nov 13
Delta Logo
12:02 pm - 3:42 pmDLH-DEN
4h 40m1 stop
Delta Logo
4:18 pm - 11:50 pmDEN-DLH
6h 32m1 stop
$372Delta
Find Deal
Fri, Nov 7 - Wed, Nov 12
Delta Logo
12:02 pm - 3:42 pmDLH-DEN
4h 40m1 stop
Delta Logo
4:18 pm - 11:50 pmDEN-DLH
6h 32m1 stop
$381Delta
Find Deal
Fri, Nov 7 - Wed, Nov 12
United Airlines Logo
9:45 am - 4:03 pmDLH-DEN
7h 18m1 stop
United Airlines Logo
7:21 pm - 10:37 amDEN-DLH
14h 16m1 stop
$382United Airlines
Find Deal
Fri, Oct 24 - Tue, Oct 28

Delta flights from Duluth to Colorado

Our best Delta deals on Duluth to Colorado flight tickets
Delta
Oct 31
DLH10:50 amDuluth Intl
5h 51m
1 stop
DEN3:41 pmDenver Intl
Nov 4
DEN6:05 amDenver Intl
4h 17m
1 stop
DLH11:22 amDuluth Intl
$232
Find similar
Delta
Oct 4
DLH10:50 amDuluth Intl
5h 54m
1 stop
DEN3:44 pmDenver Intl
Oct 11
DEN6:05 amDenver Intl
4h 17m
1 stop
DLH11:22 amDuluth Intl
$327
Find similar
Delta
Oct 4
DLH10:50 amDuluth Intl
5h 54m
1 stop
DEN3:44 pmDenver Intl
Oct 11
DEN6:05 amDenver Intl
4h 17m
1 stop
DLH11:22 amDuluth Intl
$328
Find similar

United Airlines flights from Duluth to Colorado

Our best United Airlines deals on Duluth to Colorado flight tickets
United Airlines
Oct 7
DLH3:07 pmDuluth Intl
7h 53m
1 stop
DEN10:00 pmDenver Intl
Oct 14
DEN2:45 pmDenver Intl
6h 23m
1 stop
DLH10:08 pmDuluth Intl
$296
Find similar
United Airlines
Oct 3
DLH8:00 amDuluth Intl
5h 40m
1 stop
DEN12:40 pmDenver Intl
Oct 5
DEN6:00 amDenver Intl
7h 32m
1 stop
DLH2:32 pmDuluth Intl
$318
Find similar
United Airlines
Oct 24
DLH9:45 amDuluth Intl
7h 18m
1 stop
DEN4:03 pmDenver Intl
Oct 28
DEN7:21 pmDenver Intl
14h 16m
1 stop
DLH10:37 amDuluth Intl
$382
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 September 19, 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

Fri 10/31

10:50 am-3:41 pm

1 stop5h 51m

Denver Intl

Tue 11/4

6:05 am-11:22 am

1 stop4h 17m

$232

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Tue 10/7

3:07 pm-10:00 pm

1 stop7h 53m

Denver Intl

Tue 10/14

2:45 pm-10:08 pm

1 stop6h 23m

$296

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Fri 10/3

8:00 am-12:40 pm

1 stop5h 40m

Denver Intl

Sun 10/5

6:00 am-2:32 pm

1 stop7h 32m

$318

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Sat 10/4

10:50 am-3:44 pm

1 stop5h 54m

Denver Intl

Sat 10/11

6:05 am-11:22 am

1 stop4h 17m

$327

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Sat 10/4

10:50 am-3:44 pm

1 stop5h 54m

Denver Intl

Sat 10/11

6:05 am-11:22 am

1 stop4h 17m

$328

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Sat 10/4

4:19 pm-7:54 pm

1 stop4h 35m

Denver Intl

Sat 10/11

6:05 am-11:22 am

1 stop4h 17m

$352

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Mon 11/10

12:01 pm-3:39 pm

1 stop4h 38m

Denver Intl

Thu 11/13

6:59 pm-11:50 pm

1 stop3h 51m

$368

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Fri 11/7

12:02 pm-3:42 pm

1 stop4h 40m

Denver Intl

Wed 11/12

4:18 pm-11:50 pm

1 stop6h 32m

$372

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Fri 11/7

12:02 pm-3:42 pm

1 stop4h 40m

Denver Intl

Wed 11/12

4:18 pm-11:50 pm

1 stop6h 32m

$381

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Fri 10/24

9:45 am-4:03 pm

1 stop7h 18m

Denver Intl

Tue 10/28

7:21 pm-10:37 am

1 stop14h 16m

$382

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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 May is another great option to travel to Colorado, with average flight prices from Duluth averaging around $270.

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 32% 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

Direct flights

None
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 $69Free CancellationRating
6.9
330 reviews
Search Sun Country Air flights
DeltaPriceFrom $153Free CancellationRating
7.9
7,964 reviews
Search Delta flights
United AirlinesPriceFrom $240Free CancellationRating
7.4
8,926 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.

An easier way to manage your Colorado trip

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