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Cheap flights from Duluth to Puerto Rico from $283

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 4/20. 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
7:45 am - 8:38 pm
DLH
-
SJU
11h 53m
2 stops
United Airlines Logo
7:40 am - 5:35 pm
SJU
-
DLH
10h 55m
1 stop
$568United Airlines
Sat, May 9 - Tue, May 12
United Airlines Logo
11:19 am - 11:50 pm
DLH
-
SJU
11h 31m
2 stops
United Airlines Logo
7:40 am - 2:27 pm
SJU
-
DLH
7h 47m
1 stop
$586United Airlines
Mon, Apr 20 - Sat, Apr 25
United Airlines Logo
11:18 am - 8:34 pm
DLH
-
SJU
8h 16m
1 stop
United Airlines Logo
1:00 am - 10:43 am
SJU
-
DLH
10h 43m
2 stops
$591United Airlines
Fri, May 29 - Thu, Jun 4
United Airlines Logo
11:19 am - 8:34 pm
DLH
-
SJU
8h 15m
1 stop
United Airlines Logo
3:56 pm - 12:29 am
SJU
-
DLH
9h 33m
1 stop
$614United Airlines
Mon, Apr 20 - Sun, Apr 26
United Airlines Logo
5:00 am - 8:38 pm
DLH
-
SJU
14h 38m
2 stops
United Airlines Logo
1:00 am - 10:39 am
SJU
-
DLH
10h 39m
2 stops
$616United Airlines
Mon, Apr 20 - Sat, Apr 25
United Airlines Logo
11:18 am - 11:50 pm
DLH
-
SJU
11h 32m
2 stops
United Airlines Logo
1:00 am - 10:43 am
SJU
-
DLH
10h 43m
2 stops
$650United Airlines
Fri, May 29 - Thu, Jun 4
United Airlines Logo
6:44 pm - 1:45 pm
DLH
-
SJU
18h 01m
2 stops
United Airlines Logo
4:55 pm - 10:34 am
SJU
-
DLH
18h 39m
2 stops
$654United Airlines
Mon, May 4 - Fri, May 8
United Airlines Logo
11:14 am - 8:34 pm
DLH
-
SJU
8h 20m
1 stop
United Airlines Logo
7:20 am - 10:04 pm
SJU
-
DLH
15h 44m
2 stops
$656United Airlines
Mon, May 4 - Fri, May 8
United Airlines Logo
7:45 am - 8:34 pm
DLH
-
SJU
11h 49m
1 stop
United Airlines Logo
7:40 am - 10:34 am
SJU
-
DLH
27h 54m
1 stop
$662United Airlines
Mon, May 4 - Fri, May 8
United Airlines Logo
6:44 pm - 2:44 pm
DLH
-
SJU
19h 00m
1 stop
United Airlines Logo
7:40 am - 10:34 am
SJU
-
DLH
27h 54m
1 stop
$670United Airlines
Mon, May 4 - Fri, May 8

United Airlines flights from Duluth to Puerto Rico

Our best United Airlines deals on Duluth to Puerto Rico flight tickets
United Airlines
May 9
DLH7:45 amDuluth Intl
11h 53m
2 stops
SJU8:38 pmSan Juan Luis Munoz Marin Intl
May 12
SJU7:40 amSan Juan Luis Munoz Marin Intl
10h 55m
1 stop
DLH5:35 pmDuluth Intl
$568
United Airlines
Apr 20
DLH11:19 amDuluth Intl
11h 31m
2 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
Apr 25
SJU7:40 amSan Juan Luis Munoz Marin Intl
7h 47m
1 stop
DLH2:27 pmDuluth Intl
$586
United Airlines
May 29
DLH11:18 amDuluth Intl
8h 16m
1 stop
SJU8:34 pmSan Juan Luis Munoz Marin Intl
Jun 4
SJU1:00 amSan Juan Luis Munoz Marin Intl
10h 43m
2 stops
DLH10:43 amDuluth Intl
$591

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 March 12, 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

Cheapest round-trip

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Sat 5/9

7:45 am-8:38 pm

2 stops11h 53m

San Juan Luis Munoz Marin Intl

Tue 5/12

7:40 am-5:35 pm

1 stop10h 55m

$568

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Mon 4/20

11:19 am-11:50 pm

2 stops11h 31m

San Juan Luis Munoz Marin Intl

Sat 4/25

7:40 am-2:27 pm

1 stop7h 47m

$586

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Fri 5/29

11:18 am-8:34 pm

1 stop8h 16m

San Juan Luis Munoz Marin Intl

Thu 6/4

1:00 am-10:43 am

2 stops10h 43m

$591
Quickest round-trip

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Mon 4/20

11:19 am-8:34 pm

1 stop8h 15m

San Juan Luis Munoz Marin Intl

Sun 4/26

3:56 pm-12:29 am

1 stop9h 33m

$614

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Mon 4/20

5:00 am-8:38 pm

2 stops14h 38m

San Juan Luis Munoz Marin Intl

Sat 4/25

1:00 am-10:39 am

2 stops10h 39m

$616

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Fri 5/29

11:18 am-11:50 pm

2 stops11h 32m

San Juan Luis Munoz Marin Intl

Thu 6/4

1:00 am-10:43 am

2 stops10h 43m

$650

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Mon 5/4

6:44 pm-1:45 pm

2 stops18h 01m

San Juan Luis Munoz Marin Intl

Fri 5/8

4:55 pm-10:34 am

2 stops18h 39m

$654

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Mon 5/4

11:14 am-8:34 pm

1 stop8h 20m

San Juan Luis Munoz Marin Intl

Fri 5/8

7:20 am-10:04 pm

2 stops15h 44m

$656

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Mon 5/4

7:45 am-8:34 pm

1 stop11h 49m

San Juan Luis Munoz Marin Intl

Fri 5/8

7:40 am-10:34 am

1 stop27h 54m

$662

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Mon 5/4

6:44 pm-2:44 pm

1 stop19h 00m

San Juan Luis Munoz Marin Intl

Fri 5/8

7:40 am-10:34 am

1 stop27h 54m

$670

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 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 is the most popular carrier 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

8h 16m

Direct flights

None
The fastest flight from Duluth to Puerto Rico takes 8h 16m
There are no direct flights from Duluth to Puerto Rico. There are no popular flight routes from Duluth to Puerto Rico.
Search flight deals

  • 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 $440Free CancellationRating
7.9
8,286 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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Find better results for your trip to Puerto Rico

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