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Cheap flights from Duluth to Denver from $164

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 Denver departing on 5/26. 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 Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:00 am - 8:14 am
DLH
-
DEN
4h 14m
1 stop
Delta Logo
6:00 am - 11:08 am
DEN
-
DLH
4h 08m
1 stop
$298Delta
Thu, Jun 25 - Sat, Jun 27
Delta Logo
5:00 am - 8:14 am
DLH
-
DEN
4h 14m
1 stop
Delta Logo
12:11 pm - 7:25 pm
DEN
-
DLH
6h 14m
1 stop
$308Delta
Mon, Jun 29 - Wed, Jul 8
Delta Logo
5:15 am - 8:01 am
DLH
-
DEN
3h 46m
1 stop
Delta Logo
4:10 pm - 10:44 pm
DEN
-
DLH
5h 34m
1 stop
$318Delta
Mon, May 25 - Wed, Jun 3
Delta Logo
8:05 am - 12:03 pm
DLH
-
DEN
4h 58m
1 stop
Delta Logo
6:10 am - 11:15 am
DEN
-
DLH
4h 05m
1 stop
$325Delta
Thu, Oct 22 - Sun, Oct 25
United Airlines Logo
6:25 pm - 11:52 pm
DLH
-
DEN
6h 27m
1 stop
United Airlines Logo
4:20 pm - 11:11 pm
DEN
-
DLH
5h 51m
1 stop
$328United Airlines
Sat, May 23 - Wed, May 27
Delta Logo
5:00 am - 8:14 am
DLH
-
DEN
4h 14m
1 stop
Delta Logo
1:00 pm - 7:25 pm
DEN
-
DLH
5h 25m
1 stop
$338Delta
Mon, Jun 29 - Sat, Jul 11
Delta Logo
4:07 pm - 8:02 pm
DLH
-
DEN
4h 55m
1 stop
Delta Logo
1:00 pm - 7:25 pm
DEN
-
DLH
5h 25m
1 stop
$343Delta
Thu, Jul 2 - Sat, Jul 11
Delta Logo
5:15 am - 10:20 am
DLH
-
DEN
6h 05m
1 stop
Delta Logo
6:00 am - 12:04 pm
DEN
-
DLH
5h 04m
1 stop
$347Delta
Mon, May 25 - Sat, May 30
Delta Logo
5:15 am - 8:01 am
DLH
-
DEN
3h 46m
1 stop
Delta Logo
4:10 pm - 10:44 pm
DEN
-
DLH
5h 34m
1 stop
$352Delta
Wed, May 27 - Fri, May 29
Delta Logo
5:15 am - 8:01 am
DLH
-
DEN
3h 46m
1 stop
Delta Logo
4:10 pm - 10:44 pm
DEN
-
DLH
5h 34m
1 stop
$366Delta
Fri, May 29 - Fri, May 29

Delta flights from Duluth to Denver

Our best Delta deals on Duluth to Denver flight tickets
Delta
Jun 25
DLH5:00 amDuluth Intl
4h 14m
1 stop
DEN8:14 amDenver Intl
Jun 27
DEN6:00 amDenver Intl
4h 08m
1 stop
DLH11:08 amDuluth Intl
$298
Delta
Jun 29
DLH5:00 amDuluth Intl
4h 14m
1 stop
DEN8:14 amDenver Intl
Jul 8
DEN12:11 pmDenver Intl
6h 14m
1 stop
DLH7:25 pmDuluth Intl
$308
Delta
May 25
DLH5:15 amDuluth Intl
3h 46m
1 stop
DEN8:01 amDenver Intl
Jun 3
DEN4:10 pmDenver Intl
5h 34m
1 stop
DLH10:44 pmDuluth Intl
$318

United Airlines flights from Duluth to Denver

Our best United Airlines deals on Duluth to Denver flight tickets
United Airlines
May 23
DLH6:25 pmDuluth Intl
6h 27m
1 stop
DEN11:52 pmDenver Intl
May 27
DEN4:20 pmDenver Intl
5h 51m
1 stop
DLH11:11 pmDuluth Intl
$328
United Airlines
May 28
DLH6:25 pmDuluth Intl
6h 27m
1 stop
DEN11:52 pmDenver Intl
May 30
DEN4:40 pmDenver Intl
5h 31m
1 stop
DLH11:11 pmDuluth Intl
$378
United Airlines
Aug 19
DLH6:23 pmDuluth Intl
6h 30m
1 stop
DEN11:53 pmDenver Intl
Aug 23
DEN6:00 amDenver Intl
7h 31m
1 stop
DLH2:31 pmDuluth Intl
$383

momondo Fare Finder

 
Customize your flight search to find flights from Duluth to Denver 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 May 10, 2026.
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
Quickest round-trip

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Thu 6/25

5:00 am-8:14 am

1 stop4h 14m

Denver Intl

Sat 6/27

6:00 am-11:08 am

1 stop4h 08m

$298

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Mon 6/29

5:00 am-8:14 am

1 stop4h 14m

Denver Intl

Wed 7/8

12:11 pm-7:25 pm

1 stop6h 14m

$308

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Mon 5/25

5:15 am-8:01 am

1 stop3h 46m

Denver Intl

Wed 6/3

4:10 pm-10:44 pm

1 stop5h 34m

$318

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Thu 10/22

8:05 am-12:03 pm

1 stop4h 58m

Denver Intl

Sun 10/25

6:10 am-11:15 am

1 stop4h 05m

$325

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Sat 5/23

6:25 pm-11:52 pm

1 stop6h 27m

Denver Intl

Wed 5/27

4:20 pm-11:11 pm

1 stop5h 51m

$328

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Mon 6/29

5:00 am-8:14 am

1 stop4h 14m

Denver Intl

Sat 7/11

1:00 pm-7:25 pm

1 stop5h 25m

$338

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Thu 7/2

4:07 pm-8:02 pm

1 stop4h 55m

Denver Intl

Sat 7/11

1:00 pm-7:25 pm

1 stop5h 25m

$343

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Mon 5/25

5:15 am-10:20 am

1 stop6h 05m

Denver Intl

Sat 5/30

6:00 am-12:04 pm

1 stop5h 04m

$347

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Wed 5/27

5:15 am-8:01 am

1 stop3h 46m

Denver Intl

Fri 5/29

4:10 pm-10:44 pm

1 stop5h 34m

$352

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Fri 5/29

5:15 am-8:01 am

1 stop3h 46m

Denver Intl

Fri 5/29

4:10 pm-10:44 pm

1 stop5h 34m

$366

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 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 typical price of a round-trip flight between Duluth and Denver?

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Duluth is in September. Flight prices, which tend to average around $153, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in September, then you should wait until December to fly from Duluth, when ticket prices are also cheap, with an average price of $170.

How have Duluth to Denver flight prices changed over time?

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

Fastest flight time

3h 46m

Direct flights

None
The fastest flight from Duluth to Denver takes 3h 46m
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 3h 46m.

  • 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 $123Free CancellationRating
7.9
8,454 reviews
Search Delta flights
United AirlinesPriceFrom $238Free CancellationRating
7.4
9,694 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
Manitou Springs
Longmont
Boulder
Greeley
Keystone
Lakewood
Cripple Creek
Westminster
Thornton
Frisco
Centennial
Englewood
Winter Park
Grand Lake
Copper Mountain

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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