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Cheap flights from Duluth to Denver 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 Denver departing on 10/24. 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

Delta Logo
10:50 am - 3:41 pmDLH-DEN
5h 51m1 stop
Delta Logo
4:16 pm - 11:42 pmDEN-DLH
6h 26m1 stop
$232Delta
Find Deal
Fri, Oct 31 - Tue, Nov 4
United Airlines Logo
11:20 am - 5:55 pmDLH-DEN
7h 35m1 stop
United Airlines Logo
6:00 am - 2:32 pmDEN-DLH
7h 32m1 stop
$273United Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 5
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
United Airlines Logo
9:45 am - 4:35 pmDLH-DEN
7h 50m1 stop
United Airlines Logo
6:00 am - 2:32 pmDEN-DLH
7h 32m1 stop
$343United Airlines
Find Deal
Fri, Oct 3 - Sun, Oct 5
Delta Logo
4:19 pm - 7:54 pmDLH-DEN
4h 35m1 stop
Delta Logo
6:05 am - 11:22 amDEN-DLH
4h 17m1 stop
$368Delta
Find Deal
Sat, Oct 4 - Sat, Oct 11
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

Delta flights from Duluth to Denver

Our best Delta deals on Duluth to Denver flight tickets
Delta
Oct 31
DLH10:50 amDuluth Intl
5h 51m
1 stop
DEN3:41 pmDenver Intl
Nov 4
DEN4:16 pmDenver Intl
6h 26m
1 stop
DLH11:42 pmDuluth 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 Denver

Our best United Airlines deals on Duluth to Denver flight tickets
United Airlines
Oct 1
DLH11:20 amDuluth Intl
7h 35m
1 stop
DEN5:55 pmDenver Intl
Oct 5
DEN6:00 amDenver Intl
7h 32m
1 stop
DLH2:32 pmDuluth Intl
$273
Find similar
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

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 September 17, 2025.
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

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Fri 10/31

10:50 am-3:41 pm

1 stop5h 51m

Denver Intl

Tue 11/4

4:16 pm-11:42 pm

1 stop6h 26m

$232

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Wed 10/1

11:20 am-5:55 pm

1 stop7h 35m

Denver Intl

Sun 10/5

6:00 am-2:32 pm

1 stop7h 32m

$273

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

Fri 10/3

9:45 am-4:35 pm

1 stop7h 50m

Denver Intl

Sun 10/5

6:00 am-2:32 pm

1 stop7h 32m

$343

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

$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

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 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 May to fly from Duluth, when ticket prices are also cheap, with an average price of $270.

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

The cheapest day to depart on your flight to Denver is on a Sunday when prices can be found for as low as $238. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Monday, with ticket prices averaging around $416.

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

The cheapest time of day to fly to Denver is at noon when flights can be purchased for as low as $268. Flights in the morning are often more expensive with an average ticket price of $383.

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

Direct flights

None
There are no direct flights from Duluth to Denver. There are no popular flight routes from Duluth to Denver.
Search flight deals

  • 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 35m.

  • 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
Sun Country AirPriceFrom $69Free CancellationRating
6.9
330 reviews
Search Sun Country Air flights
DeltaPriceFrom $153Free CancellationRating
7.9
7,961 reviews
Search Delta flights
United AirlinesPriceFrom $240Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Estes Park
Breckenridge
Black Hawk
Aurora
Fort Collins
Keystone
Cripple Creek
Boulder
Manitou Springs
Longmont
Lakewood
Greeley
Thornton
Westminster
Winter Park
Copper Mountain
Frisco
Grand Lake
Silverthorne
Central City

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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