Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Duluth to Denver from $213

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 9/14. 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
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
8:18 am - 12:08 pmDLH  Duluth Intl-DEN Denver Intl
4h 50m1 stop Minneapolis St Paul
Delta Logo
6:15 am - 11:03 amDEN  Denver Intl-DLH Duluth Intl
3h 48m1 stop Minneapolis St Paul
$308Delta
Sun, Sep 6 - Wed, Sep 9
United Airlines Logo
6:23 pm - 11:54 pmDLH  Duluth Intl-DEN Denver Intl
6h 31m1 stop Chicago O'Hare Intl
United Airlines Logo
2:50 pm - 11:22 pmDEN  Denver Intl-DLH Duluth Intl
7h 32m1 stop Chicago O'Hare Intl
$323United Airlines
Sat, Aug 22 - Tue, Aug 25
United Airlines Logo
6:24 pm - 11:29 pmDLH  Duluth Intl-DEN Denver Intl
6h 05m1 stop Chicago O'Hare Intl
United Airlines Logo
6:00 am - 2:29 pmDEN  Denver Intl-DLH Duluth Intl
7h 29m1 stop Chicago O'Hare Intl
$337United Airlines
Fri, Sep 18 - Sun, Sep 20
United Airlines Logo
6:23 pm - 11:54 pmDLH  Duluth Intl-DEN Denver Intl
6h 31m1 stop Chicago O'Hare Intl
United Airlines Logo
3:50 pm - 11:22 pmDEN  Denver Intl-DLH Duluth Intl
6h 32m1 stop Chicago O'Hare Intl
$388United Airlines
Tue, Sep 1 - Sat, Sep 5
United Airlines Logo
3:06 pm - 10:29 pmDLH  Duluth Intl-DEN Denver Intl
8h 23m1 stop Chicago O'Hare Intl
United Airlines Logo
3:01 pm - 11:14 pmDEN  Denver Intl-DLH Duluth Intl
7h 13m1 stop Chicago O'Hare Intl
$388United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
6:23 pm - 11:53 pmDLH  Duluth Intl-DEN Denver Intl
6h 30m1 stop Chicago O'Hare Intl
United Airlines Logo
6:00 am - 2:29 pmDEN  Denver Intl-DLH Duluth Intl
7h 29m1 stop Chicago O'Hare Intl
$412United Airlines
Fri, Sep 4 - Mon, Sep 7
Delta Logo
4:11 pm - 8:05 pmDLH  Duluth Intl-DEN Denver Intl
4h 54m1 stop Minneapolis St Paul
Delta Logo
6:15 am - 11:03 amDEN  Denver Intl-DLH Duluth Intl
3h 48m1 stop Minneapolis St Paul
$415Delta
Wed, Sep 23 - Sat, Sep 26
Delta Logo
7:00 am - 12:04 pmDLH  Duluth Intl-DEN Denver Intl
6h 04m1 stop Minneapolis St Paul
Delta Logo
6:00 am - 11:44 amDEN  Denver Intl-DLH Duluth Intl
4h 44m1 stop Minneapolis St Paul
$438Delta
Thu, Oct 8 - Sun, Oct 11
United Airlines Logo
6:24 pm - 11:29 pmDLH  Duluth Intl-DEN Denver Intl
6h 05m1 stop Chicago O'Hare Intl
United Airlines Logo
4:40 pm - 11:20 pmDEN  Denver Intl-DLH Duluth Intl
5h 40m1 stop Chicago O'Hare Intl
$486United Airlines
Wed, Sep 9 - Fri, Sep 11
United Airlines Logo
6:24 pm - 11:30 pmDLH  Duluth Intl-DEN Denver Intl
6h 06m1 stop Chicago O'Hare Intl
United Airlines Logo
4:00 pm - 11:20 pmDEN  Denver Intl-DLH Duluth Intl
6h 20m1 stop Chicago O'Hare Intl
$486United Airlines
Thu, Sep 10 - Fri, Sep 11

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

United Airlines flights from Duluth to Denver

Our best United Airlines deals on Duluth to Denver flight tickets
United Airlines
Aug 22
DLH6:23 pmDuluth Intl
6h 31m
1 stop
DEN11:54 pmDenver Intl
Aug 25
DEN2:50 pmDenver Intl
7h 32m
1 stop
DLH11:22 pmDuluth Intl
$323
United Airlines
Sep 18
DLH6:24 pmDuluth Intl
6h 05m
1 stop
DEN11:29 pmDenver Intl
Sep 20
DEN6:00 amDenver Intl
7h 29m
1 stop
DLH2:29 pmDuluth Intl
$337
United Airlines
Aug 18
DLH6:23 pmDuluth Intl
6h 31m
1 stop
DEN11:54 pmDenver Intl
Aug 30
DEN6:00 amDenver Intl
7h 29m
1 stop
DLH2:29 pmDuluth Intl
$368

Delta flights from Duluth to Denver

Our best Delta deals on Duluth to Denver flight tickets
Delta
Sep 6
DLH8:18 amDuluth Intl
4h 50m
1 stop
DEN12:08 pmDenver Intl
Sep 9
DEN6:15 amDenver Intl
3h 48m
1 stop
DLH11:03 amDuluth Intl
$308
Delta
Sep 23
DLH4:11 pmDuluth Intl
4h 54m
1 stop
DEN8:05 pmDenver Intl
Sep 26
DEN6:15 amDenver Intl
3h 48m
1 stop
DLH11:03 amDuluth Intl
$415
Delta
Oct 8
DLH7:00 amDuluth Intl
6h 04m
1 stop
DEN12:04 pmDenver Intl
Oct 11
DEN6:00 amDenver Intl
4h 44m
1 stop
DLH11:44 amDuluth Intl
$438

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 August 9, 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 Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Sun 9/6

8:18 am-12:08 pm

1 stop4h 50m

Denver Intl

Wed 9/9

6:15 am-11:03 am

1 stop3h 48m

$308

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Sat 8/22

6:23 pm-11:54 pm

1 stop6h 31m

Denver Intl

Tue 8/25

2:50 pm-11:22 pm

1 stop7h 32m

$323

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Fri 9/18

6:24 pm-11:29 pm

1 stop6h 05m

Denver Intl

Sun 9/20

6:00 am-2:29 pm

1 stop7h 29m

$337

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Tue 9/1

6:23 pm-11:54 pm

1 stop6h 31m

Denver Intl

Sat 9/5

3:50 pm-11:22 pm

1 stop6h 32m

$388

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Sat 11/14

3:06 pm-10:29 pm

1 stop8h 23m

Denver Intl

Tue 11/17

3:01 pm-11:14 pm

1 stop7h 13m

$388

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Fri 9/4

6:23 pm-11:53 pm

1 stop6h 30m

Denver Intl

Mon 9/7

6:00 am-2:29 pm

1 stop7h 29m

$412

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Wed 9/23

4:11 pm-8:05 pm

1 stop4h 54m

Denver Intl

Sat 9/26

6:15 am-11:03 am

1 stop3h 48m

$415

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Thu 10/8

7:00 am-12:04 pm

1 stop6h 04m

Denver Intl

Sun 10/11

6:00 am-11:44 am

1 stop4h 44m

$438

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Wed 9/9

6:24 pm-11:29 pm

1 stop6h 05m

Denver Intl

Fri 9/11

4:40 pm-11:20 pm

1 stop5h 40m

$486

DuluthDenver

DLH Duluth Intl - DEN Denver Intl

DLHDEN

Duluth Intl

Thu 9/10

6:24 pm-11:30 pm

1 stop6h 06m

Denver Intl

Fri 9/11

4:00 pm-11:20 pm

1 stop6h 20m

$486

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

Prices are currently low for flights on this route.

Typical prices usually range from $373 to $558.
The lowest price recently found on this route was $308.

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

6h 04m

Direct flights

None
The fastest flight from Duluth to Denver takes 6h 04m
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 6h 04m.

  • 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
7.8
8,507 reviews
Search Delta flights
United AirlinesPriceFrom $266Free CancellationRating
7.4
10,090 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
Boulder
Westminster
Longmont
Manitou Springs
Lakewood
Greeley
Keystone
Thornton
Cripple Creek
Centennial
Littleton
Englewood
Frisco
Winter Park
Golden

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 9/8
Tue 9/15
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States