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Duluth

$238+ Cheap flights from Denver to Duluth (DEN - DLH)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — DLH
déc. 12 — déc. 191
ven. 12/12
ven. 12/19
1 adult, Economy
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Find flight deals from Denver to Duluth

Cheapest flights from Denver to Duluth
Explore the most affordable flight options available from Denver to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on novembre 12, 2025.

This Delta deal was found by Cheapflights users on 11/11. 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.
sam. 12/65:45 amDEN - DLH
1 stop4h 35mDelta
sam. 12/134:24 pmDLH - DEN
1 stop4h 38mDelta
Deal found 11/11$238
This Delta deal was found by Cheapflights users on 11/10. 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.
mer. 12/316:00 amDEN - DLH
1 stop15h 52mDelta
dim. 1/411:55 amDLH - DEN
1 stop11h 58mDelta
Deal found 11/10$403
This United Airlines deal was found by Cheapflights users on 11/12. 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.
mar. 12/237:45 amDEN - DLH
2 stops14h 10mUnited Airlines
dim. 12/283:03 pmDLH - DEN
1 stop8h 03mUnited Airlines
Deal found 11/12$434
This United Airlines deal was found by Cheapflights users on 11/12. 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.
sam. 12/63:22 pmDEN - DLH
1 stop5h 37mUnited Airlines
sam. 12/132:57 pmDLH - DEN
2 stops20h 13mUnited Airlines
Deal found 11/12$453
This Delta deal was found by Cheapflights users on 11/10. 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.
mer. 12/316:00 amDEN - DLH
1 stop15h 52mDelta
lun. 1/58:00 amDLH - DEN
1 stop27h 33mDelta
Deal found 11/10$457
This United Airlines deal was found by Cheapflights users on 11/11. 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.
mer. 12/109:45 amDEN - DLH
2 stops11h 14mUnited Airlines
mer. 12/172:57 pmDLH - DEN
1 stop6h 07mUnited Airlines
Deal found 11/11$540
This United Airlines deal was found by Cheapflights users on 11/11. 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.
dim. 11/166:00 amDEN - DLH
1 stop7h 31mUnited Airlines
mer. 11/1911:14 amDLH - DEN
1 stop5h 29mUnited Airlines
Deal found 11/11$639

Cheap flight deals from Denver to Duluth

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Duluth (DLH). 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 novembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$238
(Delta)

Popular in

September

Cheapest in

August

Average price

$296
Provider with most accurate pricing for Denver Intl-Duluth Intl flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Duluth Intl flights.
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From Denver Intl to Duluth Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Duluth 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 novembre 12, 2025.
Use the filters below to find and compare flights from Denver to Duluth that are best for you.

Fly from

Denver

Fly to

Duluth

Route

Depart

Return

Price

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

sam. 12/6

5:45 am-11:20 am

1 stop4h 35m

Duluth Intl

sam. 12/13

4:24 pm-8:02 pm

1 stop4h 38m

$238

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

mer. 12/10

5:45 am-11:20 am

1 stop4h 35m

Duluth Intl

mer. 12/17

4:24 pm-8:02 pm

1 stop4h 38m

$238

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

sam. 1/17

3:15 pm-9:59 pm

1 stop5h 44m

Duluth Intl

sam. 1/24

3:05 pm-9:59 pm

1 stop7h 54m

$275

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

ven. 1/2

6:00 am-11:15 am

1 stop4h 15m

Duluth Intl

dim. 1/4

11:55 am-10:53 pm

1 stop11h 58m

$381

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

sam. 1/17

5:51 pm-11:52 pm

1 stop5h 01m

Duluth Intl

sam. 1/24

4:41 pm-8:07 pm

1 stop4h 26m

$383

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

mer. 12/31

6:00 am-10:52 pm

1 stop15h 52m

Duluth Intl

dim. 1/4

11:55 am-10:53 pm

1 stop11h 58m

$403

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

ven. 2/6

5:49 pm-11:52 pm

1 stop5h 03m

Duluth Intl

lun. 2/9

11:56 am-4:41 pm

1 stop5h 45m

$412

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

jeu. 1/1

6:00 am-10:52 pm

1 stop15h 52m

Duluth Intl

dim. 1/4

11:55 am-10:53 pm

1 stop11h 58m

$416

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

mar. 12/23

7:45 am-10:55 pm

2 stops14h 10m

Duluth Intl

dim. 12/28

3:03 pm-10:06 pm

1 stop8h 03m

$434

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

ven. 1/2

6:00 am-11:15 am

1 stop4h 15m

Duluth Intl

lun. 1/5

8:00 am-10:33 am

1 stop27h 33m

$435

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Showing 1-10 of 13 results
1
2

Compare providers for flights from Denver to Duluth

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 Denver to Duluth in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 Denver-Duluth flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Denver-Duluth flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Denver-Duluth flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Duluth flights, Cheapflights users trust eDreams the most. eDreams 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 Denver-Duluth 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 Denver to Duluth

Have a flexible travel schedule? Discover the best time to fly to Duluth from Denver 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 Denver to Duluth

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

Currently, February is the cheapest month in which you can book a flight from Denver to Duluth (average of $66). Flying from Denver to Duluth in October is currently the most expensive (average of $251). 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.

What is the cheapest time of day to fly from DEN to DLH?

Find hourly flight availability from Denver to Duluth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated novembre 12, 2025.

One of the essential ways to save on airfare from Denver to Duluth is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 65% on airfare.

Reviews of airlines servicing Duluth

Get insights into the airlines that provide service to Duluth. 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 Duluth. Reviews last updated novembre 12, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and Sun Country Air from Denver to Duluth. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,009 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Marie Antonette,Sep 2023

CDG - MSP

The actual flight out of MSP was great. However, it was delayed by an hour and we didn’t have anyone at our gate to provide any information until boarding.
Delta
7.9
Good
8,009 reviews
Delta
7.9
Good
8,009 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Marie Antonette,Sep 2023

CDG - MSP

The actual flight out of MSP was great. However, it was delayed by an hour and we didn’t have anyone at our gate to provide any information until boarding.
United Airlines
7.4
Good
9,015 reviews
Delta
7.9
Good
8,009 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Marie Antonette,Sep 2023

CDG - MSP

The actual flight out of MSP was great. However, it was delayed by an hour and we didn’t have anyone at our gate to provide any information until boarding.
Sun Country Air
6.9
Okay
336 reviews
Delta
7.9
Good
8,009 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Marie Antonette,Sep 2023

CDG - MSP

The actual flight out of MSP was great. However, it was delayed by an hour and we didn’t have anyone at our gate to provide any information until boarding.

Related info for your journey

Find useful and relevant information for your journey from Denver to Duluth. 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 Denver to Duluth?

    There are many flights that can get you from Denver to Duluth in 4h 35m. Fly via Delta or United Airlines to get the fastest option. Airlines will cover a distance of 789 mi. This flight may include one or multiple stops.

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

    Flying on Sun Country Air is currently your cheapest option to Duluth, with prices starting at $68. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $238 and $298, respectively. Sun Country Air is currently priced 81% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Denver to Duluth 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 Denver to Duluth?

    Currently, February is the cheapest month in which you can book a flight from Denver to Duluth (average of $66). Flying from Denver to Duluth in October is currently the most expensive (average of $251). 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 Duluth?

Book flights to Duluth if you plan to visit one of these locations
Two Harbors
Superior

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Top 3 airlines flying from Denver to Duluth

Discover the top 3 airlines that operate flights from Denver to Duluth. 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 novembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$68Average$236FlexibilityNo cancel feeOn-time83%
DeltaCheapest$238Average$377FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$298Average$434FlexibilityNo cancel feeOn-time69%

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