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Cheap flights from Denver to Duluth from $133

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 9/13. 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

Delta Logo
6:00 am - 11:22 amDEN-DLH
4h 22m1 stop
Delta Logo
12:02 pm - 3:42 pmDLH-DEN
4h 40m1 stop
$238Delta
Find Deal
Tue, Oct 21 - Tue, Oct 28
Delta Logo
10:50 am - 3:39 pmDEN-DLH
3h 49m1 stop
Delta Logo
5:10 am - 9:55 amDLH-DEN
5h 45m1 stop
$307Delta
Find Deal
Thu, Sep 4 - Sun, Sep 7
Delta Logo
4:00 pm - 10:46 pmDEN-DLH
5h 46m1 stop
Delta Logo
7:50 am - 12:49 pmDLH-DEN
5h 59m1 stop
$308Delta
Find Deal
Tue, Sep 2 - Sat, Sep 6
Delta Logo
4:00 pm - 10:46 pmDEN-DLH
5h 46m1 stop
Delta Logo
7:50 am - 12:49 pmDLH-DEN
5h 59m1 stop
$317Delta
Find Deal
Tue, Sep 2 - Sat, Sep 6
Delta Logo
6:53 pm - 11:42 pmDEN-DLH
3h 49m1 stop
Delta Logo
12:02 pm - 3:42 pmDLH-DEN
4h 40m1 stop
$325Delta
Find Deal
Fri, Oct 24 - Sun, Oct 26
Delta Logo
4:00 pm - 10:46 pmDEN-DLH
5h 46m1 stop
Delta Logo
5:10 am - 9:55 amDLH-DEN
5h 45m1 stop
$348Delta
Find Deal
Tue, Sep 2 - Sun, Sep 7
Delta Logo
4:00 pm - 10:46 pmDEN-DLH
5h 46m1 stop
Delta Logo
5:10 am - 9:55 amDLH-DEN
5h 45m1 stop
$376Delta
Find Deal
Tue, Sep 2 - Sun, Sep 7
United Airlines Logo
7:50 am - 10:05 pmDEN-DLH
13h 15m2 stops
United Airlines Logo
8:00 am - 2:37 pmDLH-DEN
7h 37m1 stop
$387United Airlines
Find Deal
Tue, Sep 2 - Sat, Sep 6
Delta Logo
4:00 pm - 10:46 pmDEN-DLH
5h 46m1 stop
Delta Logo
7:50 am - 12:49 pmDLH-DEN
5h 59m1 stop
$411Delta
Find Deal
Mon, Sep 1 - Sat, Sep 6
United Airlines Logo
7:50 am - 10:05 pmDEN-DLH
13h 15m2 stops
United Airlines Logo
8:00 am - 2:37 pmDLH-DEN
7h 37m1 stop
$470United Airlines
Find Deal
Mon, Sep 1 - Sat, Sep 6

Delta flights from Denver to Duluth

Our best Delta deals on Denver to Duluth flight tickets
Delta
Oct 21
DEN6:00 amDenver Intl
4h 22m
1 stop
DLH11:22 amDuluth Intl
Oct 28
DLH12:02 pmDuluth Intl
4h 40m
1 stop
DEN3:42 pmDenver Intl
$238
Find similar
Delta
Sep 4
DEN10:50 amDenver Intl
3h 49m
1 stop
DLH3:39 pmDuluth Intl
Sep 7
DLH5:10 amDuluth Intl
5h 45m
1 stop
DEN9:55 amDenver Intl
$307
Find similar
Delta
Sep 2
DEN4:00 pmDenver Intl
5h 46m
1 stop
DLH10:46 pmDuluth Intl
Sep 6
DLH7:50 amDuluth Intl
5h 59m
1 stop
DEN12:49 pmDenver Intl
$308
Find similar

United Airlines flights from Denver to Duluth

Our best United Airlines deals on Denver to Duluth flight tickets
United Airlines
Sep 2
DEN7:50 amDenver Intl
13h 15m
2 stops
DLH10:05 pmDuluth Intl
Sep 6
DLH8:00 amDuluth Intl
7h 37m
1 stop
DEN2:37 pmDenver Intl
$387
Find similar
United Airlines
Sep 1
DEN7:50 amDenver Intl
13h 15m
2 stops
DLH10:05 pmDuluth Intl
Sep 6
DLH8:00 amDuluth Intl
7h 37m
1 stop
DEN2:37 pmDenver Intl
$470
Find similar
United Airlines
Sep 2
DEN7:50 amDenver Intl
13h 15m
2 stops
DLH10:05 pmDuluth Intl
Sep 6
DLH8:00 amDuluth Intl
10h 56m
2 stops
DEN5:56 pmDenver Intl
$496
Find similar

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 July 30, 2025.
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

Tue 10/21

6:00 am-11:22 am

1 stop4h 22m

Duluth Intl

Tue 10/28

12:02 pm-3:42 pm

1 stop4h 40m

$238

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Thu 9/4

10:50 am-3:39 pm

1 stop3h 49m

Duluth Intl

Sun 9/7

5:10 am-9:55 am

1 stop5h 45m

$307

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Tue 9/2

4:00 pm-10:46 pm

1 stop5h 46m

Duluth Intl

Sat 9/6

7:50 am-12:49 pm

1 stop5h 59m

$308

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Tue 9/2

4:00 pm-10:46 pm

1 stop5h 46m

Duluth Intl

Sat 9/6

7:50 am-12:49 pm

1 stop5h 59m

$317

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Fri 10/24

6:53 pm-11:42 pm

1 stop3h 49m

Duluth Intl

Sun 10/26

12:02 pm-3:42 pm

1 stop4h 40m

$325

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Tue 9/2

4:00 pm-10:46 pm

1 stop5h 46m

Duluth Intl

Sun 9/7

5:10 am-9:55 am

1 stop5h 45m

$348

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Tue 9/2

4:00 pm-10:46 pm

1 stop5h 46m

Duluth Intl

Sun 9/7

5:10 am-9:55 am

1 stop5h 45m

$376

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Tue 9/2

7:50 am-10:05 pm

2 stops13h 15m

Duluth Intl

Sat 9/6

8:00 am-2:37 pm

1 stop7h 37m

$387

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Mon 9/1

4:00 pm-10:46 pm

1 stop5h 46m

Duluth Intl

Sat 9/6

7:50 am-12:49 pm

1 stop5h 59m

$411

DenverDuluth

DEN - DLH

DENDLH

Denver Intl

Mon 9/1

7:50 am-10:05 pm

2 stops13h 15m

Duluth Intl

Sat 9/6

8:00 am-2:37 pm

1 stop7h 37m

$470

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 cheapest month to fly to Duluth?

The cheapest month to fly to Duluth from Denver is in September. Flight prices, which tend to average around $282, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Duluth from Denver during November instead. Flights to Duluth in November, while not as cheap as those in September, still average around $283.

What is the cheapest day to depart on your flight to Duluth?

The cheapest day to depart from Denver to Duluth is on a Monday when prices can be found for as low as $223. On the other hand, Saturday is the most expensive day to depart from Denver because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $408.

What is the cheapest time of day to depart on your flight to Duluth?

Flying to Duluth from Denver in the evening is the least expensive time of day to depart. momondo users have found prices as low as $268 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Duluth is in the morning when prices are around $367.

How far in advance should I book a flight to Duluth?

You are more likely to see cheaper flights to Duluth from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Duluth for around $353 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Duluth from Denver for as low as $207 on momondo.

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

Best Price Found

$133

Fastest flight time

3h 44m

Direct flights

None

Airports in Duluth

1 airport
The best one-way flight to Duluth from Denver in the past 72 hours is $133. The best round-trip flight deal from Denver to Duluth found on momondo in the last 72 hours is $238.
The fastest flight from Denver to Duluth takes 3h 44m
There are no direct flights from Denver to Duluth. Popular non-direct route for this connection is Denver Intl Airport - Duluth Intl Airport.
There is 1 airport near Duluth: Duluth Intl (DLH)
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 44m 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
334 reviews
Search Sun Country Air flights
DeltaPriceFrom $221Free CancellationRating
8.0
7,980 reviews
Search Delta flights
United AirlinesPriceFrom $298Free CancellationRating
7.4
8,896 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
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.

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