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Cheap flights from Denver to Duluth from $154

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 5/27. 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

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Find the cheapest flights from Denver to Duluth

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:12 pm - 7:24 pm
DEN
-
DLH
6h 12m
1 stop
Delta Logo
5:00 am - 8:14 am
DLH
-
DEN
4h 14m
1 stop
$298Delta
Wed, Jun 10 - Sat, Jul 4
Delta Logo
6:10 am - 10:57 am
DEN
-
DLH
3h 47m
1 stop
Delta Logo
4:20 pm - 10:29 pm
DLH
-
DEN
7h 09m
1 stop
$323Delta
Fri, Sep 4 - Fri, Sep 11
United Airlines Logo
4:40 pm - 11:11 pm
DEN
-
DLH
5h 31m
1 stop
United Airlines Logo
6:25 pm - 11:52 pm
DLH
-
DEN
6h 27m
1 stop
$328United Airlines
Fri, May 22 - Sun, May 24
Delta Logo
6:00 am - 12:04 pm
DEN
-
DLH
5h 04m
1 stop
Delta Logo
5:15 am - 10:20 am
DLH
-
DEN
6h 05m
1 stop
$333Delta
Fri, May 22 - Mon, May 25
Delta Logo
6:00 am - 11:08 am
DEN
-
DLH
4h 08m
1 stop
Delta Logo
5:00 am - 8:14 am
DLH
-
DEN
4h 14m
1 stop
$338Delta
Tue, Jun 30 - Sun, Jul 5
United Airlines Logo
8:15 am - 2:22 pm
DEN
-
DLH
5h 07m
1 stop
United Airlines Logo
3:03 pm - 10:04 pm
DLH
-
DEN
8h 01m
1 stop
$341United Airlines
Tue, May 19 - Sat, May 23
Delta Logo
12:11 pm - 7:25 pm
DEN
-
DLH
6h 14m
1 stop
Delta Logo
8:00 am - 12:05 pm
DLH
-
DEN
5h 05m
1 stop
$342Delta
Wed, Jul 8 - Fri, Jul 10
Delta Logo
1:00 pm - 7:25 pm
DEN
-
DLH
5h 25m
1 stop
Delta Logo
5:00 am - 8:06 am
DLH
-
DEN
4h 06m
1 stop
$343Delta
Sat, Jul 11 - Tue, Jul 14
Delta Logo
6:00 am - 12:04 pm
DEN
-
DLH
5h 04m
1 stop
Delta Logo
5:15 am - 10:20 am
DLH
-
DEN
6h 05m
1 stop
$353Delta
Fri, May 22 - Mon, May 25
Delta Logo
6:00 am - 12:04 pm
DEN
-
DLH
5h 04m
1 stop
Delta Logo
5:15 am - 8:01 am
DLH
-
DEN
3h 46m
1 stop
$354Delta
Wed, May 27 - Sun, May 31

Delta flights from Denver to Duluth

Our best Delta deals on Denver to Duluth flight tickets
Delta
Jun 10
DEN12:12 pmDenver Intl
6h 12m
1 stop
DLH7:24 pmDuluth Intl
Jul 4
DLH5:00 amDuluth Intl
4h 14m
1 stop
DEN8:14 amDenver Intl
$298
Delta
Sep 4
DEN6:10 amDenver Intl
3h 47m
1 stop
DLH10:57 amDuluth Intl
Sep 11
DLH4:20 pmDuluth Intl
7h 09m
1 stop
DEN10:29 pmDenver Intl
$323
Delta
Sep 30
DEN6:10 amDenver Intl
3h 47m
1 stop
DLH10:57 amDuluth Intl
Oct 8
DLH4:15 pmDuluth Intl
4h 45m
1 stop
DEN8:00 pmDenver Intl
$325

United Airlines flights from Denver to Duluth

Our best United Airlines deals on Denver to Duluth flight tickets
United Airlines
May 22
DEN4:40 pmDenver Intl
5h 31m
1 stop
DLH11:11 pmDuluth Intl
May 24
DLH6:25 pmDuluth Intl
6h 27m
1 stop
DEN11:52 pmDenver Intl
$328
United Airlines
May 19
DEN8:15 amDenver Intl
5h 07m
1 stop
DLH2:22 pmDuluth Intl
May 23
DLH3:03 pmDuluth Intl
8h 01m
1 stop
DEN10:04 pmDenver Intl
$341
United Airlines
Sep 11
DEN2:45 pmDenver Intl
6h 12m
1 stop
DLH9:57 pmDuluth Intl
Sep 16
DLH6:15 pmDuluth Intl
6h 19m
1 stop
DEN11:34 pmDenver Intl
$378

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 May 7, 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

Cheapest round-trip

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Wed 6/10

12:12 pm-7:24 pm

1 stop6h 12m

Duluth Intl

Sat 7/4

5:00 am-8:14 am

1 stop4h 14m

$298

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Fri 9/4

6:10 am-10:57 am

1 stop3h 47m

Duluth Intl

Fri 9/11

4:20 pm-10:29 pm

1 stop7h 09m

$323

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Fri 5/22

4:40 pm-11:11 pm

1 stop5h 31m

Duluth Intl

Sun 5/24

6:25 pm-11:52 pm

1 stop6h 27m

$328

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Fri 5/22

6:00 am-12:04 pm

1 stop5h 04m

Duluth Intl

Mon 5/25

5:15 am-10:20 am

1 stop6h 05m

$333
Quickest round-trip

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Tue 6/30

6:00 am-11:08 am

1 stop4h 08m

Duluth Intl

Sun 7/5

5:00 am-8:14 am

1 stop4h 14m

$338

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Tue 5/19

8:15 am-2:22 pm

1 stop5h 07m

Duluth Intl

Sat 5/23

3:03 pm-10:04 pm

1 stop8h 01m

$341

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Wed 7/8

12:11 pm-7:25 pm

1 stop6h 14m

Duluth Intl

Fri 7/10

8:00 am-12:05 pm

1 stop5h 05m

$342

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Sat 7/11

1:00 pm-7:25 pm

1 stop5h 25m

Duluth Intl

Tue 7/14

5:00 am-8:06 am

1 stop4h 06m

$343

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Fri 5/22

6:00 am-12:04 pm

1 stop5h 04m

Duluth Intl

Mon 5/25

5:15 am-10:20 am

1 stop6h 05m

$353

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Wed 5/27

6:00 am-12:04 pm

1 stop5h 04m

Duluth Intl

Sun 5/31

5:15 am-8:01 am

1 stop3h 46m

$354

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Denver and Duluth?

What is the cheapest month to fly to Duluth?

The cheapest month to fly to Duluth from Denver is in March. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of March, then book flights to Duluth from Denver during February instead. Flights to Duluth in February, while not as cheap as those in March, still average around $0.

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 47m

Direct flights

None
The fastest flight from Denver to Duluth takes 3h 47m
There are no direct flights from Denver to Duluth. There are no popular flight routes from Denver to Duluth.
Search flight deals

Frequently asked questions about flying from Denver to Duluth

  • 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 47m 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
6.8
334 reviews
Search Sun Country Air flights
DeltaPriceFrom $173Free CancellationRating
7.9
8,459 reviews
Search Delta flights
United AirlinesPriceFrom $181Free CancellationRating
7.4
9,690 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
Superior
Hayward
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.

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