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Cheap flights from Duluth to Denver from $258

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Duluth to Denver departing on 4/3. 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.
United Airlines Logo
6:42 pm - 12:58 am
DLH
-
DEN
7h 16m
1 stop
United Airlines Logo
6:00 am - 2:27 pm
DEN
-
DLH
7h 27m
1 stop
$258United Airlines
Fri, Apr 3 - Wed, Apr 8
United Airlines Logo
3:08 pm - 7:40 pm
DLH
-
DEN
5h 32m
1 stop
United Airlines Logo
6:00 am - 2:27 pm
DEN
-
DLH
7h 27m
1 stop
$278United Airlines
Wed, Apr 1 - Wed, Apr 8
Delta Logo
8:04 am - 2:08 pm
DLH
-
DEN
7h 04m
1 stop
Delta Logo
6:20 am - 11:56 am
DEN
-
DLH
4h 36m
1 stop
$290Delta
Sat, Apr 4 - Sat, Apr 11
Delta Logo
12:37 pm - 4:00 pm
DLH
-
DEN
4h 23m
1 stop
Delta Logo
5:06 pm - 10:47 pm
DEN
-
DLH
4h 41m
1 stop
$304Delta
Mon, Apr 6 - Wed, Apr 8
Delta Logo
5:00 am - 10:32 am
DLH
-
DEN
6h 32m
1 stop
Delta Logo
6:12 pm - 10:47 pm
DEN
-
DLH
3h 35m
1 stop
$313Delta
Sun, Apr 5 - Tue, Apr 7
Delta Logo
4:32 pm - 7:51 pm
DLH
-
DEN
4h 19m
1 stop
Delta Logo
6:12 pm - 10:47 pm
DEN
-
DLH
3h 35m
1 stop
$327Delta
Mon, Apr 6 - Fri, Apr 10
United Airlines Logo
6:42 pm - 11:44 pm
DLH
-
DEN
6h 02m
1 stop
United Airlines Logo
6:00 am - 2:27 pm
DEN
-
DLH
7h 27m
1 stop
$328United Airlines
Mon, Mar 30 - Sat, Apr 11
Delta Logo
8:04 am - 2:08 pm
DLH
-
DEN
7h 04m
1 stop
Delta Logo
5:06 pm - 10:47 pm
DEN
-
DLH
4h 41m
1 stop
$336Delta
Sun, Apr 5 - Fri, Apr 10
Delta Logo
4:32 pm - 7:51 pm
DLH
-
DEN
4h 19m
1 stop
Delta Logo
6:20 am - 11:56 am
DEN
-
DLH
4h 36m
1 stop
$339Delta
Sat, Apr 4 - Thu, Apr 9
Delta Logo
5:00 am - 10:31 pm
DLH
-
DEN
18h 31m
2 stops
Delta Logo
6:12 pm - 10:47 pm
DEN
-
DLH
3h 35m
1 stop
$341Delta
Tue, Mar 31 - Fri, Apr 10

United Airlines flights from Duluth to Denver

Our best United Airlines deals on Duluth to Denver flight tickets
United Airlines
Apr 3
DLH6:42 pmDuluth Intl
7h 16m
1 stop
DEN12:58 amDenver Intl
Apr 8
DEN6:00 amDenver Intl
7h 27m
1 stop
DLH2:27 pmDuluth Intl
$258
United Airlines
Apr 1
DLH3:08 pmDuluth Intl
5h 32m
1 stop
DEN7:40 pmDenver Intl
Apr 8
DEN6:00 amDenver Intl
7h 27m
1 stop
DLH2:27 pmDuluth Intl
$278
United Airlines
Mar 30
DLH6:42 pmDuluth Intl
6h 02m
1 stop
DEN11:44 pmDenver Intl
Apr 11
DEN6:00 amDenver Intl
7h 27m
1 stop
DLH2:27 pmDuluth Intl
$328

Delta flights from Duluth to Denver

Our best Delta deals on Duluth to Denver flight tickets
Delta
Apr 4
DLH4:32 pmDuluth Intl
4h 19m
1 stop
DEN7:51 pmDenver Intl
Apr 7
DEN5:06 pmDenver Intl
4h 41m
1 stop
DLH10:47 pmDuluth Intl
$290
Delta
Apr 6
DLH12:37 pmDuluth Intl
4h 23m
1 stop
DEN4:00 pmDenver Intl
Apr 8
DEN5:06 pmDenver Intl
4h 41m
1 stop
DLH10:47 pmDuluth Intl
$304
Delta
Apr 5
DLH8:04 amDuluth Intl
7h 04m
1 stop
DEN2:08 pmDenver Intl
Apr 8
DEN5:06 pmDenver Intl
4h 41m
1 stop
DLH10:47 pmDuluth Intl
$313

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 February 8, 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

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Fri 4/3

6:42 pm-12:58 am

1 stop7h 16m

Denver Intl

Wed 4/8

6:00 am-2:27 pm

1 stop7h 27m

$258

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Wed 4/1

3:08 pm-7:40 pm

1 stop5h 32m

Denver Intl

Wed 4/8

6:00 am-2:27 pm

1 stop7h 27m

$278

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Sat 4/4

8:04 am-2:08 pm

1 stop7h 04m

Denver Intl

Sat 4/11

6:20 am-11:56 am

1 stop4h 36m

$290

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Mon 4/6

12:37 pm-4:00 pm

1 stop4h 23m

Denver Intl

Wed 4/8

5:06 pm-10:47 pm

1 stop4h 41m

$304

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Sun 4/5

5:00 am-10:32 am

1 stop6h 32m

Denver Intl

Tue 4/7

6:12 pm-10:47 pm

1 stop3h 35m

$313

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Mon 4/6

4:32 pm-7:51 pm

1 stop4h 19m

Denver Intl

Fri 4/10

6:12 pm-10:47 pm

1 stop3h 35m

$327

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Mon 3/30

6:42 pm-11:44 pm

1 stop6h 02m

Denver Intl

Sat 4/11

6:00 am-2:27 pm

1 stop7h 27m

$328

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Sun 4/5

8:04 am-2:08 pm

1 stop7h 04m

Denver Intl

Fri 4/10

5:06 pm-10:47 pm

1 stop4h 41m

$336

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Sat 4/4

4:32 pm-7:51 pm

1 stop4h 19m

Denver Intl

Thu 4/9

6:20 am-11:56 am

1 stop4h 36m

$339

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Tue 3/31

5:00 am-10:31 pm

2 stops18h 31m

Denver Intl

Fri 4/10

6:12 pm-10:47 pm

1 stop3h 35m

$341

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 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 49m

Direct flights

None
The fastest flight from Duluth to Denver takes 3h 49m
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 3h 49m.

  • 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 $49Free CancellationRating
6.8
343 reviews
Search Sun Country Air flights
DeltaPriceFrom $123Free CancellationRating
7.9
8,172 reviews
Search Delta flights
United AirlinesPriceFrom $238Free CancellationRating
7.4
9,254 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
Cripple Creek
Boulder
Keystone
Greeley
Lakewood
Westminster
Thornton
Frisco
Copper Mountain
Winter Park
Centennial
Englewood
Grand Lake

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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