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$471+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
COS — DLH
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$471
(United Airlines)

Popular in

March

Cheapest in

August

Average price

$333
From Colorado Springs to Duluth Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Colorado Springs to Duluth

Cheapest flights from Colorado Springs to Duluth
Explore the most affordable flight options available from Colorado Springs to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/163:40 pmCOS - DLH
2 stops21h 52mUnited Airlines
Tue 10/213:07 pmDLH - COS
2 stops18h 58mUnited Airlines
Deal found 9/15$471
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 10/186:00 amCOS - DLH
1 stop27h 45mUnited Airlines
Sat 10/259:45 amDLH - COS
2 stops13h 09mUnited Airlines
Deal found 9/14$480
This Delta deal was found by Cheapflights users on 9/15. 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.
Wed 12/101:42 pmCOS - DLH
2 stops20h 38mDelta
Sat 12/1312:01 pmDLH - COS
2 stops11h 25mDelta
Deal found 9/15$512
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Mon 9/297:30 amCOS - DLH
2 stops10h 07mUnited Airlines
Fri 10/33:07 pmDLH - COS
2 stops9h 45mUnited Airlines
Deal found 9/14$662
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 12/1012:32 pmCOS - DLH
2 stops8h 27mUnited Airlines
Sat 12/137:55 amDLH - COS
1 stop28h 31mUnited Airlines
Deal found 9/15$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 September 16, 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

Thu 10/16

3:40 pm-2:32 pm

2 stops21h 52m

Duluth Intl

Tue 10/21

3:07 pm-9:05 am

2 stops18h 58m

$471

Colorado SpringsDuluth

COS - DLH

COSDLH

Colorado Springs

Sat 10/18

6:00 am-10:45 am

1 stop27h 45m

Duluth Intl

Sat 10/25

9:45 am-9:54 pm

2 stops13h 09m

$480

Colorado SpringsDuluth

COS - DLH

COSDLH

Colorado Springs

Wed 12/10

1:42 pm-11:20 am

2 stops20h 38m

Duluth Intl

Sat 12/13

12:01 pm-10:26 pm

2 stops11h 25m

$512

Colorado SpringsDuluth

COS - DLH

COSDLH

Colorado Springs

Mon 9/29

7:30 am-6:37 pm

2 stops10h 07m

Duluth Intl

Fri 10/3

3:07 pm-11:52 pm

2 stops9h 45m

$662

Colorado SpringsDuluth

COS - DLH

COSDLH

Colorado Springs

Wed 12/10

1:35 pm-9:59 pm

2 stops7h 24m

Duluth Intl

Sat 12/13

2:57 pm-11:26 am

1 stop21h 29m

$689

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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, January is the cheapest month in which you can book a flight from Colorado Springs to Duluth (average of $339). Flying from Colorado Springs to Duluth in June is currently the most expensive (average of $476). 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 September 16, 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
8,924 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,924 reviews
United Airlines
7.4
Good
8,924 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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 20h 38m. United Airlines provides one of the quickest options available for as low as $512. 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 $250 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, January is the cheapest month in which you can book a flight from Colorado Springs to Duluth (average of $339). Flying from Colorado Springs to Duluth in June is currently the most expensive (average of $476). 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$250Average$532FlexibilityNo cancel feeOn-time69%

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