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Cheap flights from Denver to Duluth from $157

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 8/6. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Denver to Duluth

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:50 pm - 11:22 pm
DEN
-
DLH
6h 32m
1 stop
United Airlines Logo
6:23 pm - 11:53 pm
DLH
-
DEN
6h 30m
1 stop
$298United Airlines
Fri, Aug 14 - Wed, Aug 19
United Airlines Logo
3:50 pm - 11:22 pm
DEN
-
DLH
6h 32m
1 stop
United Airlines Logo
6:23 pm - 11:53 pm
DLH
-
DEN
6h 30m
1 stop
$309United Airlines
Sat, Aug 15 - Wed, Aug 19
United Airlines Logo
4:40 pm - 11:10 pm
DEN
-
DLH
5h 30m
1 stop
United Airlines Logo
6:23 pm - 11:54 pm
DLH
-
DEN
6h 31m
1 stop
$310United Airlines
Tue, Sep 15 - Sat, Sep 19
Delta Logo
5:45 pm - 10:35 pm
DEN
-
DLH
3h 50m
1 stop
Delta Logo
4:15 pm - 8:00 pm
DLH
-
DEN
4h 45m
1 stop
$314Delta
Wed, Sep 30 - Wed, Oct 7
United Airlines Logo
4:40 pm - 11:22 pm
DEN
-
DLH
5h 42m
1 stop
United Airlines Logo
6:23 pm - 11:54 pm
DLH
-
DEN
6h 31m
1 stop
$324United Airlines
Fri, Aug 14 - Tue, Aug 18
United Airlines Logo
4:59 pm - 11:23 pm
DEN
-
DLH
5h 24m
1 stop
United Airlines Logo
7:45 am - 3:17 pm
DLH
-
DEN
8h 32m
1 stop
$335United Airlines
Sat, Aug 8 - Sat, Aug 22
Delta Logo
6:00 am - 11:04 am
DEN
-
DLH
4h 04m
1 stop
Delta Logo
11:50 am - 3:30 pm
DLH
-
DEN
4h 40m
1 stop
$356Delta
Fri, Jul 17 - Mon, Jul 20
Delta Logo
6:00 am - 11:01 am
DEN
-
DLH
4h 01m
1 stop
Delta Logo
5:15 am - 9:57 am
DLH
-
DEN
5h 42m
1 stop
$371Delta
Sat, Aug 15 - Sat, Aug 22
United Airlines Logo
4:59 pm - 11:23 pm
DEN
-
DLH
5h 24m
1 stop
United Airlines Logo
7:45 am - 3:17 pm
DLH
-
DEN
8h 32m
1 stop
$373United Airlines
Sat, Aug 8 - Sat, Aug 22
United Airlines Logo
4:45 pm - 11:04 pm
DEN
-
DLH
5h 19m
1 stop
United Airlines Logo
3:14 pm - 9:31 pm
DLH
-
DEN
7h 17m
1 stop
$378United Airlines
Tue, Nov 3 - Sat, Nov 7

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Delta flights from Denver to Duluth

Our best Delta deals on Denver to Duluth flight tickets
Delta
Sep 30
DEN5:45 pmDenver Intl
3h 50m
1 stop
DLH10:35 pmDuluth Intl
Oct 7
DLH4:15 pmDuluth Intl
4h 45m
1 stop
DEN8:00 pmDenver Intl
$314
Delta
Jul 17
DEN6:00 amDenver Intl
4h 04m
1 stop
DLH11:04 amDuluth Intl
Jul 20
DLH11:50 amDuluth Intl
4h 40m
1 stop
DEN3:30 pmDenver Intl
$356
Delta
Aug 15
DEN6:00 amDenver Intl
4h 01m
1 stop
DLH11:01 amDuluth Intl
Aug 22
DLH5:15 amDuluth Intl
5h 42m
1 stop
DEN9:57 amDenver Intl
$371

United Airlines flights from Denver to Duluth

Our best United Airlines deals on Denver to Duluth flight tickets
United Airlines
Aug 14
DEN3:50 pmDenver Intl
6h 32m
1 stop
DLH11:22 pmDuluth Intl
Aug 19
DLH6:23 pmDuluth Intl
6h 30m
1 stop
DEN11:53 pmDenver Intl
$298
United Airlines
Aug 15
DEN3:50 pmDenver Intl
6h 32m
1 stop
DLH11:22 pmDuluth Intl
Aug 19
DLH6:23 pmDuluth Intl
6h 30m
1 stop
DEN11:53 pmDenver Intl
$309
United Airlines
Sep 15
DEN4:40 pmDenver Intl
5h 30m
1 stop
DLH11:10 pmDuluth Intl
Sep 19
DLH6:23 pmDuluth Intl
6h 31m
1 stop
DEN11:54 pmDenver Intl
$310

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 June 27, 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 8/14

3:50 pm-11:22 pm

1 stop6h 32m

Duluth Intl

Wed 8/19

6:23 pm-11:53 pm

1 stop6h 30m

$298

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Sat 8/15

3:50 pm-11:22 pm

1 stop6h 32m

Duluth Intl

Wed 8/19

6:23 pm-11:53 pm

1 stop6h 30m

$309

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Tue 9/15

4:40 pm-11:10 pm

1 stop5h 30m

Duluth Intl

Sat 9/19

6:23 pm-11:54 pm

1 stop6h 31m

$310
Quickest round-trip

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Wed 9/30

5:45 pm-10:35 pm

1 stop3h 50m

Duluth Intl

Wed 10/7

4:15 pm-8:00 pm

1 stop4h 45m

$314

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Fri 8/14

4:40 pm-11:22 pm

1 stop5h 42m

Duluth Intl

Tue 8/18

6:23 pm-11:54 pm

1 stop6h 31m

$324

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Sat 8/8

4:59 pm-11:23 pm

1 stop5h 24m

Duluth Intl

Sat 8/22

7:45 am-3:17 pm

1 stop8h 32m

$335

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Fri 7/17

6:00 am-11:04 am

1 stop4h 04m

Duluth Intl

Mon 7/20

11:50 am-3:30 pm

1 stop4h 40m

$356

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Sat 8/15

6:00 am-11:01 am

1 stop4h 01m

Duluth Intl

Sat 8/22

5:15 am-9:57 am

1 stop5h 42m

$371

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Sat 8/8

4:59 pm-11:23 pm

1 stop5h 24m

Duluth Intl

Sat 8/22

7:45 am-3:17 pm

1 stop8h 32m

$373

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Tue 11/3

4:45 pm-11:04 pm

1 stop5h 19m

Duluth Intl

Sat 11/7

3:14 pm-9:31 pm

1 stop7h 17m

$378

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

4h 03m

Direct flights

None
The fastest flight from Denver to Duluth takes 4h 03m
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 4h 03m 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
329 reviews
Search Sun Country Air flights
DeltaPriceFrom $238Free CancellationRating
7.8
8,451 reviews
Search Delta flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
9,896 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
Cloquet
Hayward

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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