Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Denver to Duluth from $145

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Duluth departing on 4/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Denver to Duluth

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:44 pm - 11:38 pm
DEN
-
DLH
3h 54m
1 stop
Delta Logo
5:10 am - 8:03 am
DLH
-
DEN
3h 53m
1 stop
$288Delta
vie., may. 15 - mar., may. 19
Delta Logo
6:12 pm - 10:47 pm
DEN
-
DLH
3h 35m
1 stop
Delta Logo
12:37 pm - 4:00 pm
DLH
-
DEN
4h 23m
1 stop
$290Delta
mié., mar. 25 - mié., abr. 1
Delta Logo
6:44 pm - 11:38 pm
DEN
-
DLH
3h 54m
1 stop
Delta Logo
5:10 am - 8:03 am
DLH
-
DEN
3h 53m
1 stop
$291Delta
vie., may. 15 - mar., may. 19
Delta Logo
5:49 pm - 11:55 pm
DEN
-
DLH
5h 06m
1 stop
Delta Logo
12:37 pm - 4:03 pm
DLH
-
DEN
4h 26m
1 stop
$292Delta
mié., mar. 4 - mié., mar. 11
Delta Logo
6:12 pm - 10:47 pm
DEN
-
DLH
3h 35m
1 stop
Delta Logo
12:37 pm - 4:00 pm
DLH
-
DEN
4h 23m
1 stop
$308Delta
mié., mar. 25 - mié., abr. 1
Delta Logo
5:49 pm - 11:55 pm
DEN
-
DLH
5h 06m
1 stop
Delta Logo
12:37 pm - 4:03 pm
DLH
-
DEN
4h 26m
1 stop
$310Delta
mié., mar. 4 - lun., mar. 9
United Airlines Logo
6:00 am - 2:33 pm
DEN
-
DLH
7h 33m
1 stop
United Airlines Logo
6:10 pm - 11:37 pm
DLH
-
DEN
6h 27m
1 stop
$317United Airlines
sáb., may. 30 - mié., jun. 3
Delta Logo
6:12 pm - 10:47 pm
DEN
-
DLH
3h 35m
1 stop
Delta Logo
12:37 pm - 4:00 pm
DLH
-
DEN
4h 23m
1 stop
$327Delta
mié., mar. 25 - mié., abr. 1
United Airlines Logo
6:00 am - 2:27 pm
DEN
-
DLH
7h 27m
1 stop
United Airlines Logo
3:08 pm - 10:05 pm
DLH
-
DEN
7h 57m
1 stop
$328United Airlines
sáb., abr. 18 - mar., abr. 21
Delta Logo
5:49 pm - 11:55 pm
DEN
-
DLH
5h 06m
1 stop
Delta Logo
12:37 pm - 4:03 pm
DLH
-
DEN
4h 26m
1 stop
$340Delta
mié., mar. 4 - mar., mar. 10

Delta flights from Denver to Duluth

Our best Delta deals on Denver to Duluth flight tickets
Delta
May 15
DEN6:44 pmDenver Intl
3h 54m
1 stop
DLH11:38 pmDuluth Intl
May 19
DLH5:10 amDuluth Intl
3h 53m
1 stop
DEN8:03 amDenver Intl
$288
Delta
May 15
DEN6:44 pmDenver Intl
3h 54m
1 stop
DLH11:38 pmDuluth Intl
May 19
DLH5:10 amDuluth Intl
3h 53m
1 stop
DEN8:03 amDenver Intl
$291
Delta
Mar 4
DEN5:49 pmDenver Intl
5h 06m
1 stop
DLH11:55 pmDuluth Intl
Mar 11
DLH12:37 pmDuluth Intl
4h 26m
1 stop
DEN4:03 pmDenver Intl
$292

United Airlines flights from Denver to Duluth

Our best United Airlines deals on Denver to Duluth flight tickets
United Airlines
May 30
DEN6:00 amDenver Intl
7h 33m
1 stop
DLH2:33 pmDuluth Intl
Jun 3
DLH6:10 pmDuluth Intl
6h 27m
1 stop
DEN11:37 pmDenver Intl
$317
United Airlines
Apr 18
DEN6:00 amDenver Intl
7h 27m
1 stop
DLH2:27 pmDuluth Intl
Apr 21
DLH3:08 pmDuluth Intl
7h 57m
1 stop
DEN10:05 pmDenver Intl
$328
United Airlines
Mar 5
DEN11:15 amDenver Intl
5h 53m
1 stop
DLH6:08 pmDuluth Intl
Mar 13
DLH6:43 pmDuluth Intl
5h 47m
1 stop
DEN11:30 pmDenver Intl
$358

momondo 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, momondo users made 832,500 searches. Data last updated febrero 4, 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

Price

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

vie. 5/15

6:44 pm-11:38 pm

1 stop3h 54m

Duluth Intl

mar. 5/19

5:10 am-8:03 am

1 stop3h 53m

$288

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

mié. 3/25

6:12 pm-10:47 pm

1 stop3h 35m

Duluth Intl

mié. 4/1

12:37 pm-4:00 pm

1 stop4h 23m

$290

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

vie. 5/15

6:44 pm-11:38 pm

1 stop3h 54m

Duluth Intl

mar. 5/19

5:10 am-8:03 am

1 stop3h 53m

$291

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

mié. 3/4

5:49 pm-11:55 pm

1 stop5h 06m

Duluth Intl

mié. 3/11

12:37 pm-4:03 pm

1 stop4h 26m

$292

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

mié. 3/25

6:12 pm-10:47 pm

1 stop3h 35m

Duluth Intl

mié. 4/1

12:37 pm-4:00 pm

1 stop4h 23m

$308

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

mié. 3/4

5:49 pm-11:55 pm

1 stop5h 06m

Duluth Intl

lun. 3/9

12:37 pm-4:03 pm

1 stop4h 26m

$310

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

sáb. 5/30

6:00 am-2:33 pm

1 stop7h 33m

Duluth Intl

mié. 6/3

6:10 pm-11:37 pm

1 stop6h 27m

$317

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

mié. 3/25

6:12 pm-10:47 pm

1 stop3h 35m

Duluth Intl

mié. 4/1

12:37 pm-4:00 pm

1 stop4h 23m

$327

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

sáb. 4/18

6:00 am-2:27 pm

1 stop7h 27m

Duluth Intl

mar. 4/21

3:08 pm-10:05 pm

1 stop7h 57m

$328

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

mié. 3/4

5:49 pm-11:55 pm

1 stop5h 06m

Duluth Intl

mar. 3/10

12:37 pm-4:03 pm

1 stop4h 26m

$340

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

See travel insights to Duluth from

How to get the cheapest flight ticket from Denver to Duluth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Duluth?

The cheapest month to fly to Duluth from Denver is in December. Flight prices, which tend to average around $264, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of December, then book flights to Duluth from Denver during November instead. Flights to Duluth in November, while not as cheap as those in December, still average around $266.

How have Denver to Duluth flight prices changed over time?

When to book flights from Denver to Duluth

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Duluth according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Denver to Duluth (DEN to DLH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Duluth

Fastest flight time

3h 35m

Direct flights

None
The fastest flight from Denver to Duluth takes 3h 35m
There are no direct flights from Denver to Duluth. There are no popular flight routes from Denver to Duluth.
Search flight deals

  • How far is Denver Intl to Duluth Intl by plane?

    There are 808.1 mi between Denver Intl and Duluth Intl. Typically, this will take 3h 35m by plane in normal conditions.

  • When did momondo last update prices for flights from Denver Intl Airport to Duluth Intl Airport?

    Prices for flights from Denver Intl Airport to Duluth Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Denver Intl Airport to Duluth Intl Airport?

  • How old do you have to be to fly from Denver Intl Airport to Duluth Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Duluth Intl Airport.

  • What documentation or ID do you need to fly to Duluth Intl Airport?

    The travel and health documents you'll need for your trip to Duluth Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Duluth Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Denver to Duluth?

Best airlines flying from Denver to Duluth

Compare and see reviews for airlines that fly from Denver to Duluth with momondo
Airline
Rating
Free Cancellation
Price
Sun Country AirPriceFrom $68Free CancellationRating
6.9
342 reviews
Search Sun Country Air flights
DeltaPriceFrom $173Free CancellationRating
7.9
8,147 reviews
Search Delta flights
United AirlinesPriceFrom $181Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights

Traveling to a place near Duluth?

Book flights to Duluth if you plan to visit one of these locations
Two Harbors
Hayward
Superior
Cloquet

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Duluth?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Denver to Duluth for you.

Can I find flights from Denver to Duluth with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Denver to Duluth flights to just show those with flexible booking policies.

How can momondo help me find flights from Denver to Duluth?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Duluth from Denver.

I’m not ready to book a flight from Denver to Duluth right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Duluth, momondo offers a useful price alert feature which will track prices for flights to Duluth from Denver and alert you when they change.

An easier way to manage your Duluth trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
vie. 3/6
vie. 3/13
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States