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Colorado

$108+ Cheap flights from Duluth (DLH) to Colorado

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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — DEN
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap flight deals from Duluth to Colorado

Keep the following information in mind while searching for Duluth to Colorado flight deals. Data was last updated January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$216
(Delta)

One-way from

$108
(Delta)

Popular in

March

Cheapest in

September

Average price

$453
Provider with most accurate pricing for Duluth Intl-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Duluth Intl-Denver Intl flights.
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From Duluth Intl to Colorado
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One-way flight from Duluth Intl to Colorado
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Highest demand for flights based on searches. 20% potential increase in price ($94 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Duluth to Colorado

Cheapest flights from Duluth to Colorado
Explore the most affordable flight options available from Duluth to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This Delta deal was found by Cheapflights users on 1/8. 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 pmDLH - DEN
1 stop4h 26mDelta
Wed 3/256:12 pmDEN - DLH
1 stop3h 35mDelta
Deal found 1/8$216
This Delta deal was found by Cheapflights users on 1/6. 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 2/1412:15 pmDLH - DEN
1 stop5h 24mDelta
Wed 2/185:49 pmDEN - DLH
1 stop5h 06mDelta
Deal found 1/6$252
This Delta deal was found by Cheapflights users on 1/7. 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.
Wed 2/411:56 amDLH - DEN
1 stop5h 45mDelta
Mon 2/95:49 pmDEN - DLH
1 stop5h 03mDelta
Deal found 1/7$272
This Delta deal was found by Cheapflights users on 1/5. 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 pmDLH - DEN
1 stop4h 47mDelta
Sat 2/285:49 pmDEN - DLH
1 stop5h 06mDelta
Deal found 1/5$288
This Delta deal was found by Cheapflights users on 1/8. 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 5/235:10 amDLH - DEN
1 stop4h 09mDelta
Sun 5/246:10 amDEN - DLH
1 stop3h 47mDelta
Deal found 1/8$292
This Delta deal was found by Cheapflights users on 1/8. 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.
Wed 4/812:37 pmDLH - DEN
1 stop4h 23mDelta
Fri 4/105:06 pmDEN - DLH
1 stop4h 41mDelta
Deal found 1/8$302
This United Airlines deal was found by Cheapflights users on 1/7. 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 1/273:05 pmDLH - DEN
1 stop6h 08mUnited Airlines
Sat 1/317:50 amDEN - DLH
1 stop5h 40mUnited Airlines
Deal found 1/7$316
This United Airlines deal was found by Cheapflights users on 1/6. 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.
Mon 1/263:05 pmDLH - DEN
1 stop7h 54mUnited Airlines
Thu 1/296:00 amDEN - DLH
1 stop7h 30mUnited Airlines
Deal found 1/6$325
This Delta deal was found by Cheapflights users on 1/6. 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.
Thu 4/212:37 pmDLH - DEN
1 stop4h 23mDelta
Mon 4/62:39 pmDEN - DLH
1 stop4h 30mDelta
Deal found 1/6$328
This Delta deal was found by Cheapflights users on 1/7. 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.
Sun 2/1512:15 pmDLH - DEN
1 stop5h 26mDelta
Wed 2/185:49 pmDEN - DLH
1 stop5h 06mDelta
Deal found 1/7$332
This United Airlines deal was found by Cheapflights users on 1/6. 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 4/1611:19 amDLH - DEN
1 stop6h 05mUnited Airlines
Wed 4/226:00 amDEN - DLH
1 stop7h 27mUnited Airlines
Deal found 1/6$337
This Delta deal was found by Cheapflights users on 1/7. 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.
Thu 5/2112:00 pmDLH - DEN
1 stop11h 29mDelta
Sun 5/246:10 amDEN - DLH
1 stop3h 47mDelta
Deal found 1/7$350

Cheapflights Fare Finder

 
Customize your flight search to find flights from Duluth to Colorado 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 8, 2026.
Use the filters below to find and compare flights from Duluth to Colorado that are best for you.

Fly from

Duluth

Fly to

Colorado

Route

Depart

Return

Price

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Sat 2/14

12:15 pm-4:39 pm

1 stop5h 24m

Denver Intl

Wed 2/18

5:49 pm-11:55 pm

1 stop5h 06m

$252

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Sat 2/21

4:18 pm-8:05 pm

1 stop4h 47m

Denver Intl

Sat 2/28

5:49 pm-11:55 pm

1 stop5h 06m

$288

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Thu 2/5

4:24 pm-8:05 pm

1 stop4h 41m

Denver Intl

Mon 2/9

5:49 pm-11:52 pm

1 stop5h 03m

$292

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Wed 4/8

12:37 pm-4:00 pm

1 stop4h 23m

Denver Intl

Fri 4/10

5:06 pm-10:47 pm

1 stop4h 41m

$302

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Tue 1/27

3:05 pm-8:13 pm

1 stop6h 08m

Denver Intl

Sat 1/31

7:50 am-2:30 pm

1 stop5h 40m

$316

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Thu 4/2

12:37 pm-4:00 pm

1 stop4h 23m

Denver Intl

Mon 4/6

2:39 pm-8:09 pm

1 stop4h 30m

$328

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Sun 2/15

12:15 pm-4:41 pm

1 stop5h 26m

Denver Intl

Wed 2/18

5:49 pm-11:55 pm

1 stop5h 06m

$332

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Sun 1/25

4:24 pm-8:05 pm

1 stop4h 41m

Denver Intl

Fri 1/30

5:49 pm-11:52 pm

1 stop5h 03m

$376

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Fri 2/13

3:19 pm-10:05 pm

1 stop7h 46m

$202

DuluthDenver

DLH - DEN

DLHDEN

Duluth Intl

Tue 1/20

3:05 pm-9:59 pm

1 stop7h 54m

$208

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 16 results
1
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Best time to book a flight from Duluth to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado 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 Colorado

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

Currently, December is the cheapest month in which you can book a flight from Duluth to Colorado (average of $92). Flying from Duluth to Colorado in February is currently the most expensive (average of $277). 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 Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated January 8, 2026.
Get a feel of what it's like to fly with Delta, United Airlines, and Sun Country Air from Duluth to Colorado by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,032 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

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
8,032 reviews
Delta
7.9
Good
8,032 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

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
9,142 reviews
Delta
7.9
Good
8,032 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

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
6.8
Okay
340 reviews
Delta
7.9
Good
8,032 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

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 Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Duluth to Colorado?

    Duluth Intl (DLH) is the airport you will fly out of if you book a flight from Duluth to Colorado. It is only a 5.8 mi journey to Duluth Intl (DLH) from Duluth’s city center.

  • How long is the flight from Duluth to Colorado?

    For as low as $252, Delta can have you in Colorado from Duluth in 5h 24m. There are 789 mi between Duluth and Colorado.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Duluth to Colorado (average of $92). Flying from Duluth to Colorado in February is currently the most expensive (average of $277). 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

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Alternative routes for Duluth to Colorado

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Top 3 airlines flying from Duluth to Colorado

Discover the top 3 airlines that operate flights from Duluth to Colorado. 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 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$49Average$191FlexibilityNo cancel feeOn-time83%
DeltaCheapest$138Average$346FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$240Average$382FlexibilityNo cancel feeOn-time69%

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