$263+ 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 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — DLH
Dec 10 — Dec 171
Round-trip
1 adult, Economy
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Find cheap flights from Denver to Duluth 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Denver to Duluth
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Best
Last-minute
One-way
Cheapest flights from Denver to DuluthExplore 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 November 10, 2026.
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 November 10, 2026.
This Delta deal was found by Cheapflights users on 11/5. 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.
Fri 12/111:26 pm -
1 stop4h 56m
Mon 12/148:00 am -
1 stop5h 20m
Deal found 11/5![Delta logo]()
$358
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/184:48 pm -
1 stop5h 26m
Sat 11/2111:16 am -
1 stop7h 33m
Deal found 11/9![United Airlines logo]()
$448
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/136:00 am -
1 stop7h 30m
Tue 11/1711:16 am -
1 stop6h 07m
Deal found 11/9![United Airlines logo]()
$463
This United Airlines deal was found by Cheapflights users on 11/7. 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.
Sun 11/224:24 pm -
1 stop5h 50m
Thu 11/266:23 am -
1 stop7h 22m
Deal found 11/7![United Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Sat 11/214:48 pm -
1 stop5h 26m
Wed 11/256:23 am -
1 stop7h 22m
Deal found 11/6![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Sat 11/76:00 am -
1 stop7h 30m
Fri 11/1311:16 am -
1 stop6h 07m
Deal found 11/6![United Airlines logo]()
$498
This United Airlines deal was found by Cheapflights users on 11/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/118:45 pm -
2 stops25h 24m
Mon 12/143:04 pm -
1 stop7h 55m
Deal found 11/5![United Airlines logo]()
$584
This Delta deal was found by Cheapflights users on 11/9. 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 11/241:27 pm -
1 stop4h 42m
Wed 12/24:45 pm -
1 stop4h 34m
Deal found 11/9![Delta logo]()
$648
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/215:50 am -
1 stop7h 57m
Thu 12/313:22 pm -
1 stop8h 58m
Deal found 11/9![United Airlines logo]()
$749
Best flights from Denver to DuluthDiscover carefully curated flight deals from Denver to Duluth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.
Discover carefully curated flight deals from Denver to Duluth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.
This Delta deal was found by Cheapflights users on 11/7. 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.
Sat 1/95:55 pm -
1 stop4h 08m
Sun 1/104:42 pm -
1 stop4h 13m
Deal found 11/7![Delta logo]()
$358
This United Airlines deal was found by Cheapflights users on 11/7. 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.
Wed 1/203:13 pm -
1 stop7h 15m
Sat 1/2311:30 am -
1 stop7h 08m
Deal found 11/7![United Airlines logo]()
$458
This United Airlines deal was found by Cheapflights users on 11/7. 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.
Sun 11/224:24 pm -
1 stop5h 50m
Thu 11/266:23 am -
1 stop7h 22m
Deal found 11/7![United Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Fri 12/118:45 pm -
2 stops25h 24m
Mon 12/143:04 pm -
1 stop7h 55m
Deal found 11/6![United Airlines logo]()
$584
This Delta deal was found by Cheapflights users on 11/9. 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 11/241:27 pm -
1 stop4h 42m
Wed 12/24:45 pm -
1 stop4h 34m
Deal found 11/9![Delta logo]()
$648
This Delta deal was found by Cheapflights users on 11/9. 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 12/216:30 am -
1 stop4h 03m
Wed 12/305:24 pm -
1 stop6h 51m
Deal found 11/9![Delta logo]()
$813
This United Airlines deal was found by Cheapflights users on 11/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/209:00 pm -
2 stops12h 51m
Tue 3/307:35 am -
2 stops12h 41m
Deal found 11/5![United Airlines logo]()
$789
This United Airlines deal was found by Cheapflights users on 11/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/213:50 pm -
1 stop6h 38m
Sat 12/267:00 am -
2 stops10h 35m
Deal found 11/5![United Airlines logo]()
$890
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/246:00 am -
1 stop7h 30m
Sat 11/286:23 am -
1 stop7h 22m
Deal found 11/9![United Airlines logo]()
$900
Last-minute flights from Denver to DuluthDiscover last-minute flight deals from Denver to Duluth. Data last updated November 10, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Duluth. Data last updated November 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Sat 11/76:00 am -
1 stop7h 30m
Fri 11/1311:16 am -
1 stop6h 07m
Deal found 11/6![United Airlines logo]()
$498
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/136:00 am -
1 stop7h 30m
Tue 11/1711:16 am -
1 stop6h 07m
Deal found 11/9![United Airlines logo]()
$463
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/184:48 pm -
1 stop5h 26m
Sat 11/2111:16 am -
1 stop7h 33m
Deal found 11/9![United Airlines logo]()
$448
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Sat 11/214:48 pm -
1 stop5h 26m
Wed 11/256:23 am -
1 stop7h 22m
Deal found 11/6![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 11/7. 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.
Sun 11/224:24 pm -
1 stop5h 50m
Thu 11/266:23 am -
1 stop7h 22m
Deal found 11/7![United Airlines logo]()
$474
This Delta deal was found by Cheapflights users on 11/9. 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 11/241:27 pm -
1 stop4h 42m
Wed 12/24:45 pm -
1 stop4h 34m
Deal found 11/9![Delta logo]()
$648
This Delta deal was found by Cheapflights users on 11/5. 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.
Fri 12/111:26 pm -
1 stop4h 56m
Mon 12/148:00 am -
1 stop5h 20m
Deal found 11/5![Delta logo]()
$358
This United Airlines deal was found by Cheapflights users on 11/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/118:45 pm -
2 stops25h 24m
Mon 12/143:04 pm -
1 stop7h 55m
Deal found 11/5![United Airlines logo]()
$584
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/215:50 am -
1 stop7h 57m
Thu 12/313:22 pm -
1 stop8h 58m
Deal found 11/9![United Airlines logo]()
$749
One-way flights from Denver to DuluthSearch for one-way flight options from Denver to Duluth. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
Search for one-way flight options from Denver to Duluth. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
This Delta deal was found by Cheapflights users on 11/9. 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 12/2511:10 am -
1 stop4h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Delta logo]()
$263
This Delta deal was found by Cheapflights users on 11/8. 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.
Sun 11/1511:08 am -
1 stop7h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Delta logo]()
$438
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/255:00 am -
2 stops17h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![United Airlines logo]()
$460
This United Airlines deal was found by Cheapflights users on 11/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/164:24 pm -
1 stop5h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![United Airlines logo]()
$578
This United Airlines deal was found by Cheapflights users on 11/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/159:05 pm -
2 stops12h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![United Airlines logo]()
$621
Find 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 November 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $358 (Delta) |
One-way from | $263 (Delta) |
Popular in | June |
Cheapest in | April |
Average price | $503 |
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 7,457,451 searches. Data last updated November 10, 2026.
Use the filters below to find and compare flights from Denver to Duluth that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
DenverDuluth
DEN Denver Intl - DLH Duluth Intl
DENDLH
Denver Intl
Fri 12/25
11:10 am-4:38 pm
1 stop4h 28m
Duluth Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$263
DenverDuluth
DEN Denver Intl - DLH Duluth Intl
DENDLH
Denver Intl
Sat 1/9
5:55 pm-11:03 pm
1 stop4h 08m
Duluth Intl
Sun 1/10
4:42 pm-7:55 pm
1 stop4h 13m
$358
DenverDuluth
DEN Denver Intl - DLH Duluth Intl
DENDLH
Denver Intl
Sun 11/15
11:08 am-7:09 pm
1 stop7h 01m
Duluth Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$438
DenverDuluth
DEN Denver Intl - DLH Duluth Intl
DENDLH
Denver Intl
Wed 1/20
3:13 pm-11:28 pm
1 stop7h 15m
Duluth Intl
Sat 1/23
11:30 am-5:38 pm
1 stop7h 08m
$458
DenverDuluth
DEN Denver Intl - DLH Duluth Intl
DENDLH
Denver Intl
Fri 12/25
5:00 am-11:28 pm
2 stops17h 28m
Duluth Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$460
DenverDuluth
DEN Denver Intl - DLH Duluth Intl
DENDLH
Denver Intl
Sun 11/22
4:24 pm-11:14 pm
1 stop5h 50m
Duluth Intl
Thu 11/26
6:23 am-12:45 pm
1 stop7h 22m
$474
DenverDuluth
DEN Denver Intl - DLH Duluth Intl
DENDLH
Denver Intl
Mon 11/16
4:24 pm-11:14 pm
1 stop5h 50m
Duluth Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$578
DenverDuluth
DEN Denver Intl - DLH Duluth Intl
DENDLH
Denver Intl
Fri 12/11
8:45 pm-11:09 pm
2 stops25h 24m
Duluth Intl
Mon 12/14
3:04 pm-9:59 pm
1 stop7h 55m
$584
DenverDuluth
DEN Denver Intl - DLH Duluth Intl
DENDLH
Denver Intl
Tue 11/24
1:27 pm-7:09 pm
1 stop4h 42m
Duluth Intl
Wed 12/2
4:45 pm-8:19 pm
1 stop4h 34m
$648
DenverDuluth
DEN Denver Intl - DLH Duluth Intl
DENDLH
Denver Intl
Sat 3/20
9:00 pm-10:51 am
2 stops12h 51m
Duluth Intl
Tue 3/30
7:35 am-7:16 pm
2 stops12h 41m
$789
Showing 1-10 of 13 resultsSorted by cheapest first
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.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Denver-Duluth flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Duluth flight deals on Cheapflights vs. FlightHub >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 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 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.
DEN-DLH
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.
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 November 10, 2026.
Read reviews from past customers who have flown Delta and United Airlines 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.
Overall
7.8
Comfort
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Aug 2023
BDL - MSP
Overall
7.8
Comfort
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Aug 2023
BDL - MSP
Overall
7.8
Comfort
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Aug 2023
BDL - MSP
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.
Traveling to a place near Duluth?
Book flights to Duluth if you plan to visit one of these locationsTwo Harbors
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Other flights to Duluth
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Denver and Duluth flights
Browse other Denver and Duluth flight options. Last updated on November 10, 2026.
Other flights from Denver
Browse through other flights departing from Denver. Flights are based on user searches made on Cheapflights and were last updated on November 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Denver to Duluth
Discover the top 2 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 7,457,451 searches. Data last updated November 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$218 | Average$459 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$264 | Average$513 | FlexibilityNo cancel fee | On-timeN/A |