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Cheap flights from Duluth to Puerto Rico from $295

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Duluth to Puerto Rico departing on 4/9. 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 Duluth to Puerto Rico

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:14 am - 8:34 pm
DLH
-
SJU
8h 20m
1 stop
United Airlines Logo
7:40 am - 5:35 pm
SJU
-
DLH
10h 55m
1 stop
$626United Airlines
Tue, May 5 - Thu, May 7
United Airlines Logo
3:05 pm - 6:11 am
DLH
-
SJU
13h 06m
2 stops
United Airlines Logo
8:30 am - 2:37 pm
SJU
-
DLH
8h 07m
1 stop
$701United Airlines
Sun, Feb 1 - Wed, Feb 25
United Airlines Logo
7:40 am - 10:22 pm
DLH
-
SJU
12h 42m
2 stops
United Airlines Logo
8:30 am - 10:43 am
SJU
-
DLH
28h 13m
1 stop
$744United Airlines
Fri, Feb 6 - Tue, Feb 24
United Airlines Logo
3:05 pm - 3:40 pm
DLH
-
SJU
22h 35m
1 stop
United Airlines Logo
8:05 am - 10:43 am
SJU
-
DLH
28h 38m
2 stops
$759United Airlines
Fri, Feb 6 - Tue, Feb 24
United Airlines Logo
3:05 pm - 10:22 pm
DLH
-
SJU
29h 17m
2 stops
United Airlines Logo
8:05 am - 10:43 am
SJU
-
DLH
28h 38m
2 stops
$778United Airlines
Fri, Feb 6 - Tue, Feb 24
United Airlines Logo
11:20 am - 8:00 pm
DLH
-
SJU
7h 40m
1 stop
United Airlines Logo
2:55 pm - 10:29 am
SJU
-
DLH
20h 34m
2 stops
$791United Airlines
Wed, Mar 25 - Thu, Apr 2
United Airlines Logo
7:40 am - 10:22 pm
DLH
-
SJU
12h 42m
2 stops
United Airlines Logo
5:50 pm - 2:37 pm
SJU
-
DLH
22h 47m
2 stops
$814United Airlines
Fri, Feb 6 - Tue, Feb 24
United Airlines Logo
11:20 am - 11:36 pm
DLH
-
SJU
11h 16m
2 stops
United Airlines Logo
2:55 pm - 10:29 am
SJU
-
DLH
20h 34m
2 stops
$829United Airlines
Wed, Mar 25 - Thu, Apr 2
United Airlines Logo
3:05 pm - 6:11 am
DLH
-
SJU
13h 06m
2 stops
United Airlines Logo
2:05 am - 9:59 pm
SJU
-
DLH
21h 54m
2 stops
$854United Airlines
Sun, Feb 1 - Fri, Feb 27
United Airlines Logo
3:05 pm - 6:11 am
DLH
-
SJU
13h 06m
2 stops
United Airlines Logo
8:30 am - 10:43 am
SJU
-
DLH
28h 13m
1 stop
$877United Airlines
Sun, Feb 1 - Sat, Feb 28

United Airlines flights from Duluth to Puerto Rico

Our best United Airlines deals on Duluth to Puerto Rico flight tickets
United Airlines
May 5
DLH11:14 amDuluth Intl
8h 20m
1 stop
SJU8:34 pmSan Juan Luis Munoz Marin Intl
May 7
SJU7:40 amSan Juan Luis Munoz Marin Intl
7h 42m
1 stop
DLH2:22 pmDuluth Intl
$626
United Airlines
Mar 25
DLH11:20 amDuluth Intl
7h 40m
1 stop
SJU8:00 pmSan Juan Luis Munoz Marin Intl
Apr 1
SJU1:00 amSan Juan Luis Munoz Marin Intl
10h 29m
2 stops
DLH10:29 amDuluth Intl
$674
United Airlines
Feb 1
DLH3:05 pmDuluth Intl
13h 06m
2 stops
SJU6:11 amSan Juan Luis Munoz Marin Intl
Feb 25
SJU8:30 amSan Juan Luis Munoz Marin Intl
8h 07m
1 stop
DLH2:37 pmDuluth Intl
$701

momondo Fare Finder

 
Customize your flight search to find flights from Duluth to Puerto Rico 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 January 21, 2026.
Use the filters below to find and compare flights from Duluth to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Tue 5/5

11:14 am-8:34 pm

1 stop8h 20m

San Juan Luis Munoz Marin Intl

Thu 5/7

7:40 am-5:35 pm

1 stop10h 55m

$626

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Sun 2/1

3:05 pm-6:11 am

2 stops13h 06m

San Juan Luis Munoz Marin Intl

Wed 2/25

8:30 am-2:37 pm

1 stop8h 07m

$701

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Fri 2/6

7:40 am-10:22 pm

2 stops12h 42m

San Juan Luis Munoz Marin Intl

Tue 2/24

8:30 am-10:43 am

1 stop28h 13m

$744

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Fri 2/6

3:05 pm-3:40 pm

1 stop22h 35m

San Juan Luis Munoz Marin Intl

Tue 2/24

8:05 am-10:43 am

2 stops28h 38m

$759

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Fri 2/6

3:05 pm-10:22 pm

2 stops29h 17m

San Juan Luis Munoz Marin Intl

Tue 2/24

8:05 am-10:43 am

2 stops28h 38m

$778

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Wed 3/25

11:20 am-8:00 pm

1 stop7h 40m

San Juan Luis Munoz Marin Intl

Thu 4/2

2:55 pm-10:29 am

2 stops20h 34m

$791

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Fri 2/6

7:40 am-10:22 pm

2 stops12h 42m

San Juan Luis Munoz Marin Intl

Tue 2/24

5:50 pm-2:37 pm

2 stops22h 47m

$814

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Wed 3/25

11:20 am-11:36 pm

2 stops11h 16m

San Juan Luis Munoz Marin Intl

Thu 4/2

2:55 pm-10:29 am

2 stops20h 34m

$829

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Sun 2/1

3:05 pm-6:11 am

2 stops13h 06m

San Juan Luis Munoz Marin Intl

Fri 2/27

2:05 am-9:59 pm

2 stops21h 54m

$854

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Sun 2/1

3:05 pm-6:11 am

2 stops13h 06m

San Juan Luis Munoz Marin Intl

Sat 2/28

8:30 am-10:43 am

1 stop28h 13m

$877

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Puerto Rico from

How to get the cheapest flight ticket from Duluth to Puerto Rico

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 airline that flies from Duluth Intl to Puerto Rico?

United Airlines and Delta are the most popular carriers operating from Duluth Intl to Puerto Rico

Cheap Duluth to Puerto Rico flight deals and tips

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

Fastest flight time

7h 40m

Direct flights

None
The fastest flight from Duluth to Puerto Rico takes 7h 40m
There are no direct flights from Duluth to Puerto Rico. There are no popular flight routes from Duluth to Puerto Rico.
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  • When did momondo last update prices for flights from Duluth Intl Airport to Puerto Rico?

    Prices for flights from Duluth Intl Airport to Puerto Rico refresh daily.

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

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

    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 Duluth Intl Airport to Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

    The necessary travel and health documents for your Puerto Rico trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Duluth to Puerto Rico

Compare and see reviews for airlines that fly from Duluth to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $435Free CancellationRating
7.9
8,089 reviews
Search Delta flights

Why use momondo?

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

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 Duluth to Puerto Rico for you.

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

Flights from Duluth to Puerto Rico with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Duluth to Puerto Rico?

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 Puerto Rico from Duluth.

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

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

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