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Cheap flights from Duluth to Denver from $227

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Duluth to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
4:40 pm - 7:47 pmDLH  Duluth Intl-DEN Denver Intl
4h 07m1 stop Minneapolis St Paul
Delta Logo
11:15 am - 7:18 pmDEN  Denver Intl-DLH Duluth Intl
7h 03m1 stop Minneapolis St Paul
$348Delta
Sun, Feb 21 - Sat, Feb 27
Delta Logo
4:42 pm - 7:55 pmDLH  Duluth Intl-DEN Denver Intl
4h 13m1 stop Minneapolis St Paul
Delta Logo
6:20 am - 11:37 amDEN  Denver Intl-DLH Duluth Intl
4h 17m1 stop Minneapolis St Paul
$348Delta
Thu, Jan 14 - Mon, Jan 18
United Airlines Logo
6:03 am - 10:34 amDLH  Duluth Intl-DEN Denver Intl
5h 31m1 stop Chicago O'Hare Intl
United Airlines Logo
3:35 pm - 11:44 pmDEN  Denver Intl-DLH Duluth Intl
7h 09m1 stop Chicago O'Hare Intl
$348United Airlines
Sat, Feb 20 - Sat, Feb 27
Delta Logo
4:40 pm - 7:47 pmDLH  Duluth Intl-DEN Denver Intl
4h 07m1 stop Minneapolis St Paul
Delta Logo
11:15 am - 7:18 pmDEN  Denver Intl-DLH Duluth Intl
7h 03m1 stop Minneapolis St Paul
$348Delta
Sat, Feb 20 - Sat, Feb 27
Delta Logo
4:15 pm - 8:00 pmDLH  Duluth Intl-DEN Denver Intl
4h 45m1 stop Minneapolis St Paul
Delta Logo
6:00 pm - 10:48 pmDEN  Denver Intl-DLH Duluth Intl
3h 48m1 stop Minneapolis St Paul
$348Delta
Thu, Apr 8 - Thu, Apr 15
Delta Logo
5:04 am - 9:58 amDLH  Duluth Intl-DEN Denver Intl
5h 54m1 stop Minneapolis St Paul
Delta Logo
6:05 am - 11:29 amDEN  Denver Intl-DLH Duluth Intl
4h 24m1 stop Minneapolis St Paul
$348Delta
Mon, Nov 23 - Fri, Nov 27
Delta Logo
4:40 pm - 7:47 pmDLH  Duluth Intl-DEN Denver Intl
4h 07m1 stop Minneapolis St Paul
Delta Logo
6:20 am - 11:41 amDEN  Denver Intl-DLH Duluth Intl
4h 21m1 stop Minneapolis St Paul
$348Delta
Sat, Feb 20 - Sun, Feb 28
Delta Logo
4:40 pm - 7:47 pmDLH  Duluth Intl-DEN Denver Intl
4h 07m1 stop Minneapolis St Paul
Delta Logo
6:20 am - 11:41 amDEN  Denver Intl-DLH Duluth Intl
4h 21m1 stop Minneapolis St Paul
$348Delta
Sun, Feb 21 - Sun, Feb 28
United Airlines Logo
6:23 am - 12:45 pmDLH  Duluth Intl-DEN Denver Intl
7h 22m1 stop Chicago O'Hare Intl
United Airlines Logo
4:48 pm - 11:14 pmDEN  Denver Intl-DLH Duluth Intl
5h 26m1 stop Chicago O'Hare Intl
$378United Airlines
Wed, Nov 18 - Sun, Nov 22
United Airlines Logo
6:23 am - 12:45 pmDLH  Duluth Intl-DEN Denver Intl
7h 22m1 stop Chicago O'Hare Intl
United Airlines Logo
4:48 pm - 11:14 pmDEN  Denver Intl-DLH Duluth Intl
5h 26m1 stop Chicago O'Hare Intl
$378United Airlines
Tue, Nov 17 - Sat, Nov 21

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Delta flights from Duluth to Denver

Our best Delta deals on Duluth to Denver flight tickets
Delta
Feb 20
DLH4:40 pmDuluth Intl
4h 07m
1 stop
DEN7:47 pmDenver Intl
Feb 27
DEN11:15 amDenver Intl
7h 03m
1 stop
DLH7:18 pmDuluth Intl
$348
Delta
Nov 20
DLH5:04 amDuluth Intl
5h 54m
1 stop
DEN9:58 amDenver Intl
Nov 23
DEN6:30 amDenver Intl
3h 56m
1 stop
DLH11:26 amDuluth Intl
$363
Delta
Feb 19
DLH12:22 pmDuluth Intl
8h 25m
1 stop
DEN7:47 pmDenver Intl
Feb 27
DEN11:15 amDenver Intl
7h 03m
1 stop
DLH7:18 pmDuluth Intl
$405

United Airlines flights from Duluth to Denver

Our best United Airlines deals on Duluth to Denver flight tickets
United Airlines
Nov 17
DLH6:23 amDuluth Intl
7h 22m
1 stop
DEN12:45 pmDenver Intl
Nov 21
DEN4:48 pmDenver Intl
5h 26m
1 stop
DLH11:14 pmDuluth Intl
$378
United Airlines
Nov 23
DLH3:06 pmDuluth Intl
8h 38m
1 stop
DEN10:44 pmDenver Intl
Nov 27
DEN7:45 amDenver Intl
5h 45m
1 stop
DLH2:30 pmDuluth Intl
$448
United Airlines
Nov 14
DLH3:06 pmDuluth Intl
8h 23m
1 stop
DEN10:29 pmDenver Intl
Nov 18
DEN6:00 amDenver Intl
7h 30m
1 stop
DLH2:30 pmDuluth Intl
$478

momondo Fare Finder

 
Use the filters below to find and compare flights from Duluth to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Sun 2/21

4:40 pm-7:47 pm

1 stop4h 07m

Denver Intl

Sat 2/27

11:15 am-7:18 pm

1 stop7h 03m

$348

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Thu 1/14

4:42 pm-7:55 pm

1 stop4h 13m

Denver Intl

Mon 1/18

6:20 am-11:37 am

1 stop4h 17m

$348

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Sat 2/20

6:03 am-10:34 am

1 stop5h 31m

Denver Intl

Sat 2/27

3:35 pm-11:44 pm

1 stop7h 09m

$348

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Sat 2/20

4:40 pm-7:47 pm

1 stop4h 07m

Denver Intl

Sat 2/27

11:15 am-7:18 pm

1 stop7h 03m

$348

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Thu 4/8

4:15 pm-8:00 pm

1 stop4h 45m

Denver Intl

Thu 4/15

6:00 pm-10:48 pm

1 stop3h 48m

$348

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Mon 11/23

5:04 am-9:58 am

1 stop5h 54m

Denver Intl

Fri 11/27

6:05 am-11:29 am

1 stop4h 24m

$348
Quickest round-trip

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Sat 2/20

4:40 pm-7:47 pm

1 stop4h 07m

Denver Intl

Sun 2/28

6:20 am-11:41 am

1 stop4h 21m

$348

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Sun 2/21

4:40 pm-7:47 pm

1 stop4h 07m

Denver Intl

Sun 2/28

6:20 am-11:41 am

1 stop4h 21m

$348

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Wed 11/18

6:23 am-12:45 pm

1 stop7h 22m

Denver Intl

Sun 11/22

4:48 pm-11:14 pm

1 stop5h 26m

$378

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Tue 11/17

6:23 am-12:45 pm

1 stop7h 22m

Denver Intl

Sat 11/21

4:48 pm-11:14 pm

1 stop5h 26m

$378

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Denver from

How to get the cheapest flight ticket from Duluth to Denver

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 Denver?

The cheapest month to fly to Denver from Duluth is in December. Flight prices, which tend to average around $358, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in December, then you should wait until July to fly from Duluth, when ticket prices are also cheap, with an average price of $368.

How have Duluth to Denver flight prices changed over time?

As of November 2026, prices for Duluth to Denver flights are approximately 36% cheaper when compared to flights at the same time last year.

When to book flights from Duluth to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Duluth to Denver according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Duluth to Denver (DLH to DEN) flight deals and tips

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

Best Price Found

$227

Fastest flight time

4h 07m

Direct flights

None
The best one-way flight to Denver from Duluth in the past 72 hours is $227. The best round-trip flight deal from Duluth to Denver found on momondo in the last 72 hours is $348.
The fastest flight from Duluth to Denver takes 4h 07m
There are no direct flights from Duluth to Denver. There are no popular flight routes from Duluth to Denver.
Search flight deals

Frequently asked questions about flying from Duluth to Denver

  • How far is Duluth Intl to Denver Intl by plane?

    Denver Intl is 808.1 mi away from Duluth Intl. By plane, this route typically takes 4h 07m.

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

    Prices for flights from Duluth Intl Airport to Denver Intl Airport are updated daily.

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

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

    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 Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Duluth to Denver?

Best airlines flying from Duluth to Denver

Compare and see reviews for airlines that fly from Duluth to Denver with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $178Free CancellationRating
7.8
8,696 reviews
Search Delta flights
United AirlinesPriceFrom $266Free CancellationRating
7.3
10,460 reviews
Search United Airlines flights

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Breckenridge
Estes Park
Black Hawk
Aurora
Fort Collins
Westminster
Lakewood
Boulder
Longmont
Manitou Springs
Greeley
Thornton
Keystone
Centennial
Littleton
Cripple Creek
Englewood
Golden
Winter Park
Greenwood Village

Why use momondo?

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

Finding the right flight to Denver from Duluth is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Denver quick and easy, saving you time and money.

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

Flights from Duluth to Denver with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Denver from Duluth.

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

If you are not ready to book a flight from Duluth to Denver now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Denver and let you know when they change.

An easier way to manage your Denver trip

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