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Denver

$167+ Cheap flights from Duluth to Denver (DLH - DEN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — DEN
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Duluth to Denver

Cheapest flights from Duluth to Denver
Explore the most affordable flight options available from Duluth to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1712:37 pm
DLH
-
DEN
1 stop4h 26m
Delta
Wed 3/256:12 pm
DEN
-
DLH
1 stop3h 35m
Delta
Deal found 1/26$290
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/103:05 pm
DLH
-
DEN
1 stop7h 54m
United Airlines
Sat 2/143:14 pm
DEN
-
DLH
1 stop5h 45m
United Airlines
Deal found 1/26$318
This United Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/183:08 pm
DLH
-
DEN
1 stop7h 57m
United Airlines
Tue 4/216:00 am
DEN
-
DLH
1 stop7h 27m
United Airlines
Deal found 1/25$328
This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/144:29 pm
DLH
-
DEN
1 stop4h 35m
Delta
Sat 4/186:30 am
DEN
-
DLH
1 stop4h 37m
Delta
Deal found 1/26$329
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/213:19 pm
DLH
-
DEN
1 stop5h 29m
United Airlines
Sat 2/286:00 am
DEN
-
DLH
1 stop7h 37m
United Airlines
Deal found 1/27$350
This United Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/293:05 pm
DLH
-
DEN
1 stop6h 08m
United Airlines
Sat 1/311:30 pm
DEN
-
DLH
1 stop7h 29m
United Airlines
Deal found 1/25$358
This Delta deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/214:18 pm
DLH
-
DEN
1 stop4h 47m
Delta
Sat 2/287:10 am
DEN
-
DLH
1 stop15h 45m
Delta
Deal found 1/25$376
This Delta deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:00 am
DLH
-
DEN
1 stop6h 53m
Delta
Fri 2/205:49 pm
DEN
-
DLH
1 stop5h 06m
Delta
Deal found 1/25$389
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/163:08 pm
DLH
-
DEN
1 stop7h 57m
United Airlines
Wed 4/226:00 am
DEN
-
DLH
1 stop7h 27m
United Airlines
Deal found 1/26$397
This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:10 am
DLH
-
DEN
1 stop4h 09m
Delta
Mon 5/186:55 pm
DEN
-
DLH
1 stop3h 43m
Delta
Deal found 1/26$398
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2011:20 am
DLH
-
DEN
1 stop6h 16m
United Airlines
Fri 2/276:00 am
DEN
-
DLH
1 stop7h 37m
United Airlines
Deal found 1/27$400

Find flight deals from Duluth to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Duluth (DLH) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$290
(Delta)

One-way from

$167
(United Airlines)

Popular in

March

Cheapest in

September

Average price

$425
Provider with most accurate pricing for Duluth Intl-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Duluth Intl-Denver Intl flights.
Search Deals
From Duluth Intl to Denver Intl
Search Deals
One-way flight from Duluth Intl to Denver Intl
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($93 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
Use the filters below to find and compare flights from Duluth to Denver that are best for you.

Fly from

Duluth

Fly to

Denver

Route

Depart

Return

Price

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Tue 3/17

12:37 pm-4:03 pm

1 stop4h 26m

Denver Intl

Wed 3/25

5:06 pm-10:47 pm

1 stop4h 41m

$290

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Tue 2/10

3:05 pm-9:59 pm

1 stop7h 54m

Denver Intl

Sat 2/14

3:14 pm-9:59 pm

1 stop5h 45m

$318

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Sat 4/18

3:08 pm-10:05 pm

1 stop7h 57m

Denver Intl

Tue 4/21

6:00 am-2:27 pm

1 stop7h 27m

$328

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Tue 4/14

4:29 pm-8:04 pm

1 stop4h 35m

Denver Intl

Sat 4/18

6:30 am-12:07 pm

1 stop4h 37m

$329

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Sat 2/21

3:19 pm-7:48 pm

1 stop5h 29m

Denver Intl

Sat 2/28

6:00 am-2:37 pm

1 stop7h 37m

$350

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Sat 2/21

4:18 pm-8:05 pm

1 stop4h 47m

Denver Intl

Sat 2/28

7:10 am-11:55 pm

1 stop15h 45m

$376

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Thu 4/16

3:08 pm-10:05 pm

1 stop7h 57m

Denver Intl

Wed 4/22

6:00 am-2:27 pm

1 stop7h 27m

$397

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Fri 2/20

11:20 am-4:36 pm

1 stop6h 16m

Denver Intl

Fri 2/27

6:00 am-2:37 pm

1 stop7h 37m

$400

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Fri 4/10

3:08 pm-10:05 pm

1 stop7h 57m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Compare providers for flights from Duluth to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Duluth to Denver in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Duluth-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Duluth-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Duluth-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Duluth-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Duluth-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Duluth to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Duluth with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Duluth to Denver

What is the cheapest month to book a flight from Duluth to Denver?

Currently, December is the cheapest month in which you can book a flight from Duluth to Denver (average of $92). Flying from Duluth to Denver in November is currently the most expensive (average of $273). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated January 27, 2026.
Read through reviews of airlines operating flights from Duluth to Denver, such as Delta, United Airlines, and Sun Country Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,119 reviews

Overall

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,119 reviews
Delta
7.9
Good
8,119 reviews

Overall

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,206 reviews
Delta
7.9
Good
8,119 reviews

Overall

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Sun Country Air
6.9
Okay
343 reviews
Delta
7.9
Good
8,119 reviews

Overall

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Duluth to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Duluth to Denver?

    A quick flight from Duluth to Denver can take about 4h 26m. Delta provides one of the quickest options available for as low as $290. There are 789 mi between Duluth and Denver. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Duluth to Denver round-trip?

    Sun Country Air, at $49, was found to be the cheapest airline from Duluth to Denver.Alternate airlines to your destination round-trip include Delta and United Airlines. Sun Country Air is priced at 85% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Duluth to Denver that include hotel bookings?

    Yes. In addition to deals on Duluth to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Duluth to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Duluth to Denver.

  • Can I find deals for business class flights from Duluth to Denver?

    Yes. Cheapflights offers flight deals from Duluth to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Duluth to Denver?

    Currently, December is the cheapest month in which you can book a flight from Duluth to Denver (average of $92). Flying from Duluth to Denver in November is currently the most expensive (average of $273). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Thornton
Black Hawk
Lakewood
Broomfield
Westminster
Golden
Centennial
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Cripple Creek
Winter Park
Central City
Glendale
Manitou Springs
Frisco
Fort Morgan
Brighton
Evergreen

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Duluth to Denver

Discover the top 3 airlines that operate flights from Duluth to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$49Average$191FlexibilityNo cancel feeOn-time83%
DeltaCheapest$123Average$327FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$238Average$383FlexibilityNo cancel feeOn-time69%

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