$348+ Cheap flights from Duluth to Denver (DLH - DEN)
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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — DEN
Nov 21 — Nov 281
Round-trip
1 adult, Economy
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Find cheap flights from Duluth to Denver with Cheapflights
1. Tell us where you want to go
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Duluth to Denver
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Cheapest flights from Duluth to DenverExplore 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 October 22, 2026.
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 October 22, 2026.
This United Airlines deal was found by Cheapflights users on 10/18. 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 11/213:06 pm -
1 stop7h 43m
Wed 12/23:12 pm -
1 stop6h 57m
Deal found 10/18![United Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/611:16 am -
1 stop6h 07m
Tue 11/104:48 pm -
1 stop5h 26m
Deal found 10/20![United Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/133:06 pm -
1 stop7h 42m
Sun 11/156:00 am -
1 stop7h 30m
Deal found 10/20![United Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 10/21. 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 11/235:04 am -
1 stop5h 54m
Fri 11/276:05 am -
1 stop4h 24m
Deal found 10/21![Delta logo]()
$366
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/36:23 am -
1 stop7h 22m
Sat 11/76:00 am -
1 stop7h 30m
Deal found 10/19![United Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 10/20. 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 11/64:21 pm -
1 stop4h 45m
Tue 11/101:27 pm -
1 stop4h 42m
Deal found 10/20![Delta logo]()
$381
This Delta deal was found by Cheapflights users on 10/19. 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 11/64:21 pm -
1 stop4h 45m
Mon 11/96:15 pm -
1 stop3h 40m
Deal found 10/19![Delta logo]()
$382
This Delta deal was found by Cheapflights users on 10/21. 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 11/245:04 am -
1 stop5h 54m
Sat 11/286:30 am -
1 stop3h 56m
Deal found 10/21![Delta logo]()
$387
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/53:06 pm -
1 stop8h 38m
Mon 11/96:00 am -
1 stop7h 30m
Deal found 10/21![United Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 10/20. 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 11/266:45 am -
1 stop7h 13m
Wed 12/26:30 am -
1 stop4h 08m
Deal found 10/20![Delta logo]()
$407
Best flights from Duluth to DenverDiscover carefully curated flight deals from Duluth to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 22, 2026.
Discover carefully curated flight deals from Duluth to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 22, 2026.
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/611:16 am -
1 stop6h 07m
Tue 11/104:48 pm -
1 stop5h 26m
Deal found 10/20![United Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 10/21. 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 11/235:04 am -
2 stops15h 49m
Sat 11/286:30 am -
1 stop3h 56m
Deal found 10/21![Delta logo]()
$472
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/143:06 pm -
1 stop8h 23m
Wed 11/183:01 pm -
1 stop7h 13m
Deal found 10/21![United Airlines logo]()
$448
This United Airlines deal was found by Cheapflights users on 10/22. 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 12/213:22 pm -
1 stop8h 58m
Sun 12/275:50 am -
1 stop7h 57m
Deal found 10/22![United Airlines logo]()
$471
This Delta deal was found by Cheapflights users on 10/18. 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 12/812:18 pm -
1 stop4h 44m
Thu 12/104:10 pm -
1 stop5h 48m
Deal found 10/18![Delta logo]()
$546
This Delta deal was found by Cheapflights users on 10/21. 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 11/244:25 pm -
2 stops17h 37m
Sat 11/286:30 am -
1 stop3h 56m
Deal found 10/21![Delta logo]()
$559
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/33:06 pm -
1 stop7h 42m
Sat 11/78:45 pm -
2 stops25h 29m
Deal found 10/19![United Airlines logo]()
$604
Last-minute flights from Duluth to DenverDiscover last-minute flight deals from Duluth to Denver. Data last updated October 22, 2026 and is based on user searches.
Discover last-minute flight deals from Duluth to Denver. Data last updated October 22, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/36:23 am -
1 stop7h 22m
Sat 11/76:00 am -
1 stop7h 30m
Deal found 10/19![United Airlines logo]()
$378
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/53:06 pm -
1 stop8h 38m
Mon 11/96:00 am -
1 stop7h 30m
Deal found 10/21![United Airlines logo]()
$388
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/611:16 am -
1 stop6h 07m
Tue 11/104:48 pm -
1 stop5h 26m
Deal found 10/20![United Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 10/20. 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 11/64:21 pm -
1 stop4h 45m
Tue 11/101:27 pm -
1 stop4h 42m
Deal found 10/20![Delta logo]()
$381
This Delta deal was found by Cheapflights users on 10/19. 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 11/64:21 pm -
1 stop4h 45m
Mon 11/96:15 pm -
1 stop3h 40m
Deal found 10/19![Delta logo]()
$382
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/133:06 pm -
1 stop7h 42m
Sun 11/156:00 am -
1 stop7h 30m
Deal found 10/20![United Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 10/18. 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 11/213:06 pm -
1 stop7h 43m
Wed 12/23:12 pm -
1 stop6h 57m
Deal found 10/18![United Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 10/21. 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 11/235:04 am -
1 stop5h 54m
Fri 11/276:05 am -
1 stop4h 24m
Deal found 10/21![Delta logo]()
$366
This Delta deal was found by Cheapflights users on 10/21. 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 11/245:04 am -
1 stop5h 54m
Sat 11/286:30 am -
1 stop3h 56m
Deal found 10/21![Delta logo]()
$387
This Delta deal was found by Cheapflights users on 10/20. 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 11/266:45 am -
1 stop7h 13m
Wed 12/26:30 am -
1 stop4h 08m
Deal found 10/20![Delta logo]()
$407
One-way flights from Duluth to DenverSearch for one-way flight options from Duluth to Denver. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.
Search for one-way flight options from Duluth to Denver. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.
This United Airlines deal was found by Cheapflights users on 10/19. 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 12/33:04 pm -
1 stop5h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 10/19. 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 10/2611:16 am -
1 stop7h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![United Airlines logo]()
$433
This Delta deal was found by Cheapflights users on 10/22. 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 12/295:24 pm -
1 stop6h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Delta logo]()
$494
This United Airlines deal was found by Cheapflights users on 10/22. 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 12/293:22 pm -
2 stops16h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![United Airlines logo]()
$503
This Delta deal was found by Cheapflights users on 10/21. 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 12/305:00 am -
1 stop19h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Delta logo]()
$512
This Delta deal was found by Cheapflights users on 10/21. 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 12/285:24 pm -
1 stop6h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Delta logo]()
$534
This United Airlines deal was found by Cheapflights users on 10/21. 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 12/307:00 am -
2 stops12h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$627
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 October 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $348 (United Airlines) |
Popular in | June |
Cheapest in | November |
Average price | $378 |
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 7,457,451 searches. Data last updated October 22, 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
Cheapest round-trip
Quickest round-trip
DuluthDenver
DLH Duluth Intl - DEN Denver Intl
DLHDEN
Duluth Intl
Thu 12/3
3:04 pm-7:45 pm
1 stop5h 41m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$349
DuluthDenver
DLH Duluth Intl - DEN Denver Intl
DLHDEN
Duluth Intl
Fri 11/6
11:16 am-4:23 pm
1 stop6h 07m
Denver Intl
Tue 11/10
4:48 pm-11:14 pm
1 stop5h 26m
$363
DuluthDenver
DLH Duluth Intl - DEN Denver Intl
DLHDEN
Duluth Intl
Mon 10/26
11:16 am-5:49 pm
1 stop7h 33m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$433
DuluthDenver
DLH Duluth Intl - DEN Denver Intl
DLHDEN
Duluth Intl
Sat 11/14
3:06 pm-10:29 pm
1 stop8h 23m
Denver Intl
Wed 11/18
3:01 pm-11:14 pm
1 stop7h 13m
$448
DuluthDenver
DLH Duluth Intl - DEN Denver Intl
DLHDEN
Duluth Intl
Mon 12/21
3:22 pm-11:20 pm
1 stop8h 58m
Denver Intl
Sun 12/27
5:50 am-2:47 pm
1 stop7h 57m
$471
DuluthDenver
DLH Duluth Intl - DEN Denver Intl
DLHDEN
Duluth Intl
Mon 11/23
5:04 am-7:53 pm
2 stops15h 49m
Denver Intl
Sat 11/28
6:30 am-11:26 am
1 stop3h 56m
$472
DuluthDenver
DLH Duluth Intl - DEN Denver Intl
DLHDEN
Duluth Intl
Tue 12/29
5:24 pm-11:16 pm
1 stop6h 52m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$494
DuluthDenver
DLH Duluth Intl - DEN Denver Intl
DLHDEN
Duluth Intl
Mon 12/28
5:24 pm-11:16 pm
1 stop6h 52m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$534
DuluthDenver
DLH Duluth Intl - DEN Denver Intl
DLHDEN
Duluth Intl
Tue 12/8
12:18 pm-4:02 pm
1 stop4h 44m
Denver Intl
Thu 12/10
4:10 pm-10:58 pm
1 stop5h 48m
$546
DuluthDenver
DLH Duluth Intl - DEN Denver Intl
DLHDEN
Duluth Intl
Tue 11/24
4:25 pm-9:02 am
2 stops17h 37m
Denver Intl
Sat 11/28
6:30 am-11:26 am
1 stop3h 56m
$559
Showing 1-10 of 12 resultsSorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
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 Denver
What is the cheapest month to book a flight from Duluth to Denver?
Currently, November is the cheapest month in which you can book a flight from Duluth to Denver (average of $328). Flying from Duluth to Denver in June is currently the most expensive (average of $662). 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 Denver?
Airfare is typical for this route at the moment.
Duluth to Denver flights typically cost between $290 and $414 in November.The cheapest round-trip price found within the last 5 days was $348 on United Airlines (Nov 21-Dec 2).
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 October 22, 2026.
Read through reviews of airlines operating flights from Duluth to Denver, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodMoishe,Oct 2024
LGA - DEN
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodMoishe,Oct 2024
LGA - DEN
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodMoishe,Oct 2024
LGA - DEN
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.
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsThornton
Westminster
Lakewood
Centennial
Broomfield
Englewood
Golden
Black Hawk
Wheat Ridge
Silverthorne
Fort Morgan
Greeley
Frisco
Winter Park
Limon
Central City
Manitou Springs
Glendale
Cripple Creek
Evergreen
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Complete your trip
Complete your trip to Denver by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Denver
Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 22, 2026.
Search flights from Duluth to Denver by cabin class
Find flights from Duluth to Denver, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Duluth and Denver flights
Browse other Duluth and Denver flight options. Last updated on October 22, 2026.
Other flights from Duluth
Browse through other flights departing from Duluth. Flights are based on user searches made on Cheapflights and were last updated on October 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Duluth to Denver
Discover the top 2 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 7,457,451 searches. Data last updated October 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$178 | Average$397 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$266 | Average$477 | FlexibilityNo cancel fee | On-time69% |