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Cheap flights from Denver to Duluth from $176

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 6/10. 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
1 adult, Economy, 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
1:20 pm - 7:31 pm
DEN
-
DLH
5h 11m
1 stop
Delta Logo
5:15 am - 8:01 am
DLH
-
DEN
3h 46m
1 stop
$318Delta
Fri, May 29 - Sun, May 31
United Airlines Logo
5:44 pm - 12:29 am
DEN
-
DLH
5h 45m
1 stop
United Airlines Logo
6:57 pm - 12:58 am
DLH
-
DEN
7h 01m
1 stop
$323United Airlines
Thu, Apr 9 - Sun, Apr 12
Delta Logo
6:00 am - 11:07 am
DEN
-
DLH
4h 07m
1 stop
Delta Logo
5:05 am - 8:03 am
DLH
-
DEN
3h 58m
1 stop
$335Delta
Tue, Jun 16 - Sat, Jun 20
Delta Logo
5:06 pm - 10:47 pm
DEN
-
DLH
4h 41m
1 stop
Delta Logo
12:47 pm - 3:36 pm
DLH
-
DEN
3h 49m
1 stop
$340Delta
Fri, Apr 10 - Tue, Apr 14
Delta Logo
6:00 am - 11:08 am
DEN
-
DLH
4h 08m
1 stop
Delta Logo
5:05 am - 8:14 am
DLH
-
DEN
4h 09m
1 stop
$352Delta
Tue, Jun 23 - Wed, Jun 24
Delta Logo
12:12 pm - 6:01 pm
DEN
-
DLH
4h 49m
1 stop
Delta Logo
5:05 am - 8:14 am
DLH
-
DEN
4h 09m
1 stop
$354Delta
Sun, Jun 21 - Wed, Jun 24
United Airlines Logo
7:32 am - 2:22 pm
DEN
-
DLH
5h 50m
1 stop
United Airlines Logo
6:44 pm - 11:50 pm
DLH
-
DEN
6h 06m
1 stop
$357United Airlines
Sat, May 2 - Tue, May 5
United Airlines Logo
5:44 pm - 12:29 am
DEN
-
DLH
5h 45m
1 stop
United Airlines Logo
6:44 pm - 11:50 pm
DLH
-
DEN
6h 06m
1 stop
$358United Airlines
Sun, Apr 26 - Mon, May 4
United Airlines Logo
6:00 am - 2:22 pm
DEN
-
DLH
7h 22m
1 stop
United Airlines Logo
11:14 am - 4:16 pm
DLH
-
DEN
6h 02m
1 stop
$377United Airlines
Sat, May 2 - Tue, May 5
Delta Logo
6:00 am - 11:07 am
DEN
-
DLH
4h 07m
1 stop
Delta Logo
5:05 am - 8:14 am
DLH
-
DEN
4h 09m
1 stop
$383Delta
Wed, Jun 17 - Wed, Jun 24

Delta flights from Denver to Duluth

Our best Delta deals on Denver to Duluth flight tickets
Delta
May 29
DEN1:20 pmDenver Intl
5h 11m
1 stop
DLH7:31 pmDuluth Intl
May 31
DLH5:15 amDuluth Intl
3h 46m
1 stop
DEN8:01 amDenver Intl
$318
Delta
Jun 16
DEN6:00 amDenver Intl
4h 07m
1 stop
DLH11:07 amDuluth Intl
Jun 20
DLH5:05 amDuluth Intl
3h 58m
1 stop
DEN8:03 amDenver Intl
$335
Delta
Apr 10
DEN5:06 pmDenver Intl
4h 41m
1 stop
DLH10:47 pmDuluth Intl
Apr 14
DLH12:47 pmDuluth Intl
3h 49m
1 stop
DEN3:36 pmDenver Intl
$340

United Airlines flights from Denver to Duluth

Our best United Airlines deals on Denver to Duluth flight tickets
United Airlines
Apr 9
DEN5:44 pmDenver Intl
5h 45m
1 stop
DLH12:29 amDuluth Intl
Apr 12
DLH6:57 pmDuluth Intl
7h 01m
1 stop
DEN12:58 amDenver Intl
$323
United Airlines
May 2
DEN7:32 amDenver Intl
5h 50m
1 stop
DLH2:22 pmDuluth Intl
May 5
DLH6:44 pmDuluth Intl
6h 06m
1 stop
DEN11:50 pmDenver Intl
$357
United Airlines
Apr 26
DEN5:44 pmDenver Intl
5h 45m
1 stop
DLH12:29 amDuluth Intl
May 4
DLH6:44 pmDuluth Intl
6h 06m
1 stop
DEN11:50 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 March 23, 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

Fri 5/29

1:20 pm-7:31 pm

1 stop5h 11m

Duluth Intl

Sun 5/31

5:15 am-8:01 am

1 stop3h 46m

$318

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Thu 4/9

5:44 pm-12:29 am

1 stop5h 45m

Duluth Intl

Sun 4/12

6:57 pm-12:58 am

1 stop7h 01m

$323
Quickest round-trip

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Tue 6/16

6:00 am-11:07 am

1 stop4h 07m

Duluth Intl

Sat 6/20

5:05 am-8:03 am

1 stop3h 58m

$335

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Fri 4/10

5:06 pm-10:47 pm

1 stop4h 41m

Duluth Intl

Tue 4/14

12:47 pm-3:36 pm

1 stop3h 49m

$340

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Tue 6/23

6:00 am-11:08 am

1 stop4h 08m

Duluth Intl

Wed 6/24

5:05 am-8:14 am

1 stop4h 09m

$352

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Sun 6/21

12:12 pm-6:01 pm

1 stop4h 49m

Duluth Intl

Wed 6/24

5:05 am-8:14 am

1 stop4h 09m

$354

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Sat 5/2

7:32 am-2:22 pm

1 stop5h 50m

Duluth Intl

Tue 5/5

6:44 pm-11:50 pm

1 stop6h 06m

$357

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Sun 4/26

5:44 pm-12:29 am

1 stop5h 45m

Duluth Intl

Mon 5/4

6:44 pm-11:50 pm

1 stop6h 06m

$358

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Sat 5/2

6:00 am-2:22 pm

1 stop7h 22m

Duluth Intl

Tue 5/5

11:14 am-4:16 pm

1 stop6h 02m

$377

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Wed 6/17

6:00 am-11:07 am

1 stop4h 07m

Duluth Intl

Wed 6/24

5:05 am-8:14 am

1 stop4h 09m

$383

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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 43m

Direct flights

None
The fastest flight from Denver to Duluth takes 3h 43m
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 43m 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
340 reviews
Search Sun Country Air flights
United AirlinesPriceFrom $181Free CancellationRating
7.4
9,463 reviews
Search United Airlines flights
DeltaPriceFrom $214Free CancellationRating
7.9
8,318 reviews
Search Delta 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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