$178+ 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 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — DEN
Jun 17 — Jun 241
Round-trip
1 adult, Economy
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Find cheap flights from Duluth to Colorado with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest
Best
Last-minute
One-way
Cheapest flights from Duluth to ColoradoExplore 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 May 18, 2026.
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 May 18, 2026.
This Delta deal was found by Cheapflights users on 5/13. 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.
Mon 6/295:00 am
DLH
- DEN
1 stop4h 14m
Delta
Mon 7/66:00 am
DEN
- DLH
1 stop4h 08m
Delta
Deal found 5/13![Delta logo]()
$298
This Delta deal was found by Cheapflights users on 5/16. 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 9/2412:00 pm
DLH
- DEN
1 stop4h 31m
Delta
Mon 9/286:10 am
DEN
- DLH
1 stop3h 47m
Delta
Deal found 5/16![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 5/14. 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 7/25:00 am
DLH
- DEN
1 stop6h 05m
Delta
Sat 7/116:00 am
DEN
- DLH
1 stop4h 04m
Delta
Deal found 5/14![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 5/17. 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.
Wed 8/196:23 pm
DLH
- DEN
1 stop6h 30m
United Airlines
Sat 8/223:50 pm
DEN
- DLH
1 stop6h 00m
United Airlines
Deal found 5/17![United Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 5/14. 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.
Mon 6/295:00 am
DLH
- DEN
1 stop4h 14m
Delta
Tue 7/712:11 pm
DEN
- DLH
1 stop6h 14m
Delta
Deal found 5/14![Delta logo]()
$333
This Delta deal was found by Cheapflights users on 5/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:15 pm
DLH
- DEN
1 stop4h 45m
Delta
Mon 11/26:10 am
DEN
- DLH
1 stop4h 05m
Delta
Deal found 5/12![Delta logo]()
$352
This United Airlines deal was found by Cheapflights users on 5/14. 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 5/296:25 pm
DLH
- DEN
1 stop6h 27m
United Airlines
Tue 6/24:29 pm
DEN
- DLH
1 stop5h 54m
United Airlines
Deal found 5/14![United Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 5/13. 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.
Mon 6/295:00 am
DLH
- DEN
1 stop4h 14m
Delta
Fri 7/1011:08 am
DEN
- DLH
1 stop3h 39m
Delta
Deal found 5/13![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 5/12. 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.
Sat 10/246:10 pm
DLH
- DEN
1 stop6h 08m
United Airlines
Wed 10/284:45 pm
DEN
- DLH
1 stop7h 08m
United Airlines
Deal found 5/12![United Airlines logo]()
$378
Best flights from Duluth to ColoradoDiscover carefully curated flight deals from Duluth to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 18, 2026.
Discover carefully curated flight deals from Duluth to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 18, 2026.
This Delta deal was found by Cheapflights users on 5/13. 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 7/211:48 am
DLH
- DEN
1 stop4h 50m
Delta
Sat 7/116:00 am
DEN
- DLH
1 stop4h 04m
Delta
Deal found 5/13![Delta logo]()
$298
This United Airlines deal was found by Cheapflights users on 5/14. 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 5/286:25 pm
DLH
- DEN
1 stop6h 27m
United Airlines
Sat 5/306:00 am
DEN
- DLH
1 stop7h 26m
United Airlines
Deal found 5/14![United Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 5/14. 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 7/211:48 am
DLH
- DEN
1 stop4h 50m
Delta
Mon 7/66:00 am
DEN
- DLH
1 stop4h 08m
Delta
Deal found 5/14![Delta logo]()
$327
This Delta deal was found by Cheapflights users on 5/16. 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 6/612:46 pm
DLH
- DEN
1 stop3h 50m
Delta
Wed 6/106:00 am
DEN
- DLH
1 stop4h 07m
Delta
Deal found 5/16![Delta logo]()
$392
This Delta deal was found by Cheapflights users on 5/16. 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 6/2011:48 am
DLH
- DEN
1 stop4h 50m
Delta
Tue 6/236:00 am
DEN
- DLH
1 stop4h 08m
Delta
Deal found 5/16![Delta logo]()
$453
This United Airlines deal was found by Cheapflights users on 5/14. 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 7/23:03 pm
DLH
- DEN
1 stop7h 58m
United Airlines
Sun 7/57:40 am
DEN
- DLH
2 stops8h 54m
United Airlines
Deal found 5/14![United Airlines logo]()
$695
This United Airlines deal was found by Cheapflights users on 5/16. 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 6/67:06 am
DLH
- DEN
2 stops24h 36m
United Airlines
Wed 6/104:29 pm
DEN
- DLH
1 stop5h 54m
United Airlines
Deal found 5/16![United Airlines logo]()
$700
This Delta deal was found by Cheapflights users on 5/14. 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 6/194:30 pm
DLH
- DEN
1 stop4h 32m
Delta
Sun 6/219:35 am
DEN
- DLH
2 stops12h 15m
Delta
Deal found 5/14![Delta logo]()
$627
This United Airlines deal was found by Cheapflights users on 5/13. 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 7/246:25 pm
DLH
- DEN
1 stop6h 23m
United Airlines
Sun 7/266:00 am
DEN
- DLH
1 stop16h 23m
United Airlines
Deal found 5/13![United Airlines logo]()
$730
This Delta deal was found by Cheapflights users on 5/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/84:11 pm
DLH
- DEN
1 stop4h 40m
Delta
Tue 8/116:00 am
DEN
- DLH
1 stop4h 01m
Delta
Deal found 5/12![Delta logo]()
$628
This United Airlines deal was found by Cheapflights users on 5/17. 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 6/197:06 am
DLH
- DEN
2 stops24h 36m
United Airlines
Tue 6/237:40 am
DEN
- DLH
1 stop5h 46m
United Airlines
Deal found 5/17![United Airlines logo]()
$770
Last-minute flights from Duluth to ColoradoDiscover last-minute flight deals from Duluth to Colorado. Data last updated May 18, 2026 and is based on user searches.
Discover last-minute flight deals from Duluth to Colorado. Data last updated May 18, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/14. 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 5/286:25 pm
DLH
- DEN
1 stop6h 27m
United Airlines
Sat 5/306:00 am
DEN
- DLH
1 stop7h 26m
United Airlines
Deal found 5/14![United Airlines logo]()
$408
This United Airlines deal was found by Cheapflights users on 5/14. 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 5/296:25 pm
DLH
- DEN
1 stop6h 27m
United Airlines
Tue 6/24:29 pm
DEN
- DLH
1 stop5h 54m
United Airlines
Deal found 5/14![United Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 5/16. 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 6/612:46 pm
DLH
- DEN
1 stop3h 50m
Delta
Wed 6/106:00 am
DEN
- DLH
1 stop4h 07m
Delta
Deal found 5/16![Delta logo]()
$392
This Delta deal was found by Cheapflights users on 5/13. 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.
Mon 6/295:00 am
DLH
- DEN
1 stop4h 14m
Delta
Mon 7/66:00 am
DEN
- DLH
1 stop4h 08m
Delta
Deal found 5/13![Delta logo]()
$298
This Delta deal was found by Cheapflights users on 5/14. 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.
Mon 6/295:00 am
DLH
- DEN
1 stop4h 14m
Delta
Sat 7/116:00 am
DEN
- DLH
1 stop4h 04m
Delta
Deal found 5/14![Delta logo]()
$327
This Delta deal was found by Cheapflights users on 5/14. 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.
Mon 6/295:00 am
DLH
- DEN
1 stop4h 14m
Delta
Tue 7/712:11 pm
DEN
- DLH
1 stop6h 14m
Delta
Deal found 5/14![Delta logo]()
$333
This Delta deal was found by Cheapflights users on 5/13. 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.
Mon 6/295:00 am
DLH
- DEN
1 stop4h 14m
Delta
Fri 7/1011:08 am
DEN
- DLH
1 stop3h 39m
Delta
Deal found 5/13![Delta logo]()
$377
This Delta deal was found by Cheapflights users on 5/13. 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.
Mon 6/295:00 am
DLH
- DEN
1 stop4h 14m
Delta
Wed 7/86:00 am
DEN
- DLH
1 stop4h 04m
Delta
Deal found 5/13![Delta logo]()
$393
This Delta deal was found by Cheapflights users on 5/13. 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.
Mon 6/295:00 am
DLH
- DEN
1 stop4h 14m
Delta
Thu 7/96:32 pm
DEN
- DLH
1 stop20h 15m
Delta
Deal found 5/13![Delta logo]()
$401
One-way flights from Duluth to ColoradoSearch for one-way flight options from Duluth to Colorado. Find affordable one-way fares based on user searches. Data last updated May 18, 2026.
Search for one-way flight options from Duluth to Colorado. Find affordable one-way fares based on user searches. Data last updated May 18, 2026.
This Delta deal was found by Cheapflights users on 5/13. 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.
Mon 6/295:00 am
DLH
- DEN
1 stop4h 14m
Delta
Deal found 5/13![Delta logo]()
$178
This Delta deal was found by Cheapflights users on 5/15. 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 6/212:46 pm
DLH
- DEN
1 stop3h 50m
Delta
Deal found 5/15![Delta logo]()
$218
This Delta deal was found by Cheapflights users on 5/17. 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 5/2412:46 pm
DLH
- DEN
1 stop3h 50m
Delta
Deal found 5/17![Delta logo]()
$323
This United Airlines deal was found by Cheapflights users on 5/13. 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 6/296:25 pm
DLH
- DEN
2 stops16h 30m
United Airlines
Deal found 5/13![United Airlines logo]()
$371
This United Airlines deal was found by Cheapflights users on 5/13. 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 7/176:25 pm
DLH
- DEN
2 stops13h 34m
United Airlines
Deal found 5/13![United Airlines logo]()
$460
This United Airlines deal was found by Cheapflights users on 5/15. 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 6/211:18 am
DLH
- DEN
2 stops9h 16m
United Airlines
Deal found 5/15![United Airlines logo]()
$486
This United Airlines deal was found by Cheapflights users on 5/17. 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.
Sun 5/2411:18 am
DLH
- DEN
2 stops9h 06m
United Airlines
Deal found 5/17![United Airlines logo]()
$565
This United Airlines deal was found by Cheapflights users on 5/17. 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 5/2511:18 am
DLH
- DEN
2 stops9h 16m
United Airlines
Deal found 5/17![United Airlines logo]()
$636
Find flight deals from Duluth to Colorado
Keep the following information in mind while searching for Duluth to Colorado flight deals. Data was last updated May 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $298 (Delta) |
One-way from | $178 (Delta) |
Popular in | June |
Cheapest in | September |
Average price | $408 |
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 May 18, 2026.
Use the filters below to find and compare flights from Duluth to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DuluthDenver
DLH - DEN
DLHDEN
Duluth Intl
Thu 7/2
11:48 am-3:38 pm
1 stop4h 50m
Denver Intl
Sat 7/11
6:00 am-11:04 am
1 stop4h 04m
$298
DuluthDenver
DLH - DEN
DLHDEN
Duluth Intl
Thu 7/2
11:48 am-3:38 pm
1 stop4h 50m
Denver Intl
Mon 7/6
6:00 am-11:08 am
1 stop4h 08m
$327
Quickest round-trip
DuluthDenver
DLH - DEN
DLHDEN
Duluth Intl
Sat 6/6
12:46 pm-3:36 pm
1 stop3h 50m
Denver Intl
Wed 6/10
6:00 am-11:07 am
1 stop4h 07m
$392
DuluthDenver
DLH - DEN
DLHDEN
Duluth Intl
Thu 5/28
6:25 pm-11:52 pm
1 stop6h 27m
Denver Intl
Sat 5/30
6:00 am-2:26 pm
1 stop7h 26m
$408
DuluthDenver
DLH - DEN
DLHDEN
Duluth Intl
Sat 6/20
11:48 am-3:38 pm
1 stop4h 50m
Denver Intl
Tue 6/23
6:00 am-11:08 am
1 stop4h 08m
$453
DuluthDenver
DLH - DEN
DLHDEN
Duluth Intl
Fri 6/19
4:30 pm-8:02 pm
1 stop4h 32m
Denver Intl
Sun 6/21
9:35 am-10:50 pm
2 stops12h 15m
$627
DuluthDenver
DLH - DEN
DLHDEN
Duluth Intl
Sat 8/8
4:11 pm-7:51 pm
1 stop4h 40m
Denver Intl
Tue 8/11
6:00 am-11:01 am
1 stop4h 01m
$628
DuluthDenver
DLH - DEN
DLHDEN
Duluth Intl
Thu 7/2
3:03 pm-10:01 pm
1 stop7h 58m
Denver Intl
Sun 7/5
7:40 am-5:34 pm
2 stops8h 54m
$695
DuluthDenver
DLH - DEN
DLHDEN
Duluth Intl
Sat 6/6
7:06 am-6:42 am
2 stops24h 36m
Denver Intl
Wed 6/10
4:29 pm-11:23 pm
1 stop5h 54m
$700
DuluthDenver
DLH - DEN
DLHDEN
Duluth Intl
Fri 7/24
6:25 pm-11:48 pm
1 stop6h 23m
Denver Intl
Sun 7/26
6:00 am-11:23 pm
1 stop16h 23m
$730
Showing 1-10 of 19 resultsSorted by cheapest first
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.
DLH-DEN
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
DLH-USCO
DLH-DEN
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 $68). Flying from Duluth to Colorado in March is currently the most expensive (average of $528). 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.
How much does it cost to fly round-trip from Duluth to Colorado?
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 May 18, 2026.
Get a feel of what it's like to fly with Delta and United Airlines 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.
Overall
7.9
Comfort
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Comfort
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Comfort
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
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Complete your trip
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Duluth and Colorado flights
Browse other Duluth and Colorado flight options. Last updated on May 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Duluth to Colorado flights
Consider these flights traveling from Duluth to Colorado.
Top 2 airlines flying from Duluth to Colorado
Discover the top 2 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 May 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$123 | Average$352 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$238 | Average$397 | FlexibilityNo cancel fee | On-time69% |