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$398+ Cheap flights from Colorado Springs to Duluth (COS - 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
COS — DLH
Dec 31 — Jan 71
Wed 12/31
Wed 1/7
1 adult, Economy
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Cheap flight deals from Colorado Springs to Duluth

Discover tips and strategies to find the most affordable flight options for your journey from Colorado Springs (COS) 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 December 1, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$398
(Delta)

Popular in

September

Cheapest in

August

Average price

$303
Provider with most accurate pricing for Colorado Springs-Duluth Intl flight deals.
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Provider most trusted by Cheapflights users for Colorado Springs-Duluth Intl flights.
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From Colorado Springs to Duluth Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Find flight deals from Colorado Springs to Duluth

Best flights from Colorado Springs to Duluth
Discover carefully curated flight deals from Colorado Springs to Duluth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 1, 2025.

This Delta deal was found by Cheapflights users on 11/29. 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 1/217:59 amCOS - DLH
2 stops10h 36mDelta
Sat 1/2411:56 amDLH - COS
2 stops25h 40mDelta
Deal found 11/29$398
This United Airlines deal was found by Cheapflights users on 12/1. 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 1/16:23 pmCOS - DLH
2 stops27h 32mUnited Airlines
Mon 1/53:03 pmDLH - COS
1 stop20h 59mUnited Airlines
Deal found 12/1$677
This United Airlines deal was found by Cheapflights users on 11/29. 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 1/215:05 pmCOS - DLH
2 stops27h 54mUnited Airlines
Sat 1/243:05 pmDLH - COS
1 stop20h 57mUnited Airlines
Deal found 11/29$689

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado Springs 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 December 1, 2025.
Use the filters below to find and compare flights from Colorado Springs to Duluth that are best for you.

Fly from

Colorado Springs

Fly to

Duluth

Route

Depart

Return

Price

Colorado SpringsDuluth

COS - DLH

COSDLH

Colorado Springs

Wed 1/21

7:59 am-7:35 pm

2 stops10h 36m

Duluth Intl

Sat 1/24

11:56 am-12:36 pm

2 stops25h 40m

$398

Colorado SpringsDuluth

COS - DLH

COSDLH

Colorado Springs

Thu 1/1

6:23 pm-10:55 pm

2 stops27h 32m

Duluth Intl

Mon 1/5

3:03 pm-11:02 am

1 stop20h 59m

$677

Colorado SpringsDuluth

COS - DLH

COSDLH

Colorado Springs

Wed 1/21

5:05 pm-9:59 pm

2 stops27h 54m

Duluth Intl

Sat 1/24

3:05 pm-11:02 am

1 stop20h 57m

$689

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/29

Compare providers for flights from Colorado Springs 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 Colorado Springs to Duluth in December.
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 Colorado Springs-Duluth flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Colorado Springs-Duluth flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Colorado Springs-Duluth flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Colorado Springs-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 Colorado Springs-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 Colorado Springs to Duluth

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

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

Currently, February is the cheapest month in which you can book a flight from Colorado Springs to Duluth (average of $66). Flying from Colorado Springs 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.

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 December 1, 2025.
Get a feel of what it's like to fly with United Airlines from Colorado Springs to Duluth by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,056 reviews

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,056 reviews
United Airlines
7.4
Good
9,056 reviews

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Colorado Springs 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 Colorado Springs to Duluth?

    A quick flight from Colorado Springs to Duluth can take about 10h 36m. Delta provides one of the quickest options available for as low as $398. The distance from Colorado Springs to Duluth is about 840 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Colorado Springs to Duluth round-trip?

    Our cheapest airline available from Colorado Springs to Duluth is United Airlines. Our recent data shows that you can find tickets from as low as $382 on this airline.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Colorado Springs to Duluth (average of $66). Flying from Colorado Springs 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 airline flying from Colorado Springs to Duluth

Discover the top airline that operate flights from Colorado Springs 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 December 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$382Average$607FlexibilityNo cancel feeOn-time69%

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