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Cheap flights from Duluth to Puerto Rico from $298

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 12/8. 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
3:05 pm - 6:11 amDLH-SJU
13h 06m2 stops
United Airlines Logo
8:35 am - 2:37 pmSJU-DLH
8h 02m1 stop
$575United Airlines
Find Deal
dom., feb. 1 - mié., feb. 25
United Airlines Logo
7:40 am - 10:22 pmDLH-SJU
12h 42m2 stops
United Airlines Logo
8:35 am - 2:37 pmSJU-DLH
8h 02m1 stop
$605United Airlines
Find Deal
dom., feb. 1 - mié., feb. 25
Delta Logo
7:45 am - 11:20 pmDLH-SJU
13h 35m2 stops
Delta Logo
7:15 am - 7:35 pmSJU-DLH
14h 20m2 stops
$640Delta
Find Deal
dom., dic. 7 - mié., dic. 10
United Airlines Logo
3:05 pm - 6:11 amDLH-SJU
13h 06m2 stops
United Airlines Logo
5:50 pm - 10:43 amSJU-DLH
18h 53m2 stops
$650United Airlines
Find Deal
dom., feb. 1 - mié., feb. 25
United Airlines Logo
7:40 am - 9:00 pmDLH-SJU
11h 20m1 stop
United Airlines Logo
3:46 pm - 10:43 amSJU-DLH
20h 57m2 stops
$651United Airlines
Find Deal
vie., feb. 6 - mar., feb. 24
United Airlines Logo
7:40 am - 10:22 pmDLH-SJU
12h 42m2 stops
United Airlines Logo
2:05 am - 2:37 pmSJU-DLH
14h 32m2 stops
$658United Airlines
Find Deal
dom., feb. 1 - mar., feb. 24
United Airlines Logo
3:05 pm - 6:11 amDLH-SJU
13h 06m2 stops
United Airlines Logo
2:05 am - 9:59 pmSJU-DLH
21h 54m2 stops
$659United Airlines
Find Deal
dom., feb. 1 - mar., feb. 24
United Airlines Logo
3:05 pm - 9:00 pmDLH-SJU
27h 55m1 stop
United Airlines Logo
4:52 pm - 10:43 amSJU-DLH
19h 51m1 stop
$679United Airlines
Find Deal
vie., feb. 6 - mar., feb. 24
Delta Logo
5:10 am - 3:20 pmDLH-SJU
8h 10m1 stop
Delta Logo
4:25 pm - 11:02 pmSJU-DLH
8h 37m1 stop
$681Delta
Find Deal
dom., feb. 1 - mié., feb. 25
United Airlines Logo
3:05 pm - 12:36 amDLH-SJU
31h 31m2 stops
United Airlines Logo
4:52 pm - 10:43 amSJU-DLH
19h 51m1 stop
$689United Airlines
Find Deal
vie., feb. 6 - mar., feb. 24

Delta flights from Duluth to Puerto Rico

Our best Delta deals on Duluth to Puerto Rico flight tickets
Delta
Dec 7
DLH7:45 amDuluth Intl
13h 35m
2 stops
SJU11:20 pmSan Juan Luis Munoz Marin Intl
Dec 10
SJU7:15 amSan Juan Luis Munoz Marin Intl
14h 20m
2 stops
DLH7:35 pmDuluth Intl
$640
Find similar
Delta
Feb 1
DLH5:10 amDuluth Intl
8h 10m
1 stop
SJU3:20 pmSan Juan Luis Munoz Marin Intl
Feb 25
SJU4:25 pmSan Juan Luis Munoz Marin Intl
8h 37m
1 stop
DLH11:02 pmDuluth Intl
$681
Find similar
Delta
Dec 10
DLH5:00 amDuluth Intl
10h 20m
2 stops
SJU5:20 pmSan Juan Luis Munoz Marin Intl
Dec 13
SJU7:00 amSan Juan Luis Munoz Marin Intl
10h 44m
2 stops
DLH3:44 pmDuluth Intl
$705
Find similar

United Airlines flights from Duluth to Puerto Rico

Our best United Airlines deals on Duluth to Puerto Rico flight tickets
United Airlines
Feb 1
DLH3:05 pmDuluth Intl
13h 06m
2 stops
SJU6:11 amSan Juan Luis Munoz Marin Intl
Feb 25
SJU8:35 amSan Juan Luis Munoz Marin Intl
8h 02m
1 stop
DLH2:37 pmDuluth Intl
$575
Find similar
United Airlines
Feb 1
DLH7:40 amDuluth Intl
12h 42m
2 stops
SJU10:22 pmSan Juan Luis Munoz Marin Intl
Feb 25
SJU8:35 amSan Juan Luis Munoz Marin Intl
8h 02m
1 stop
DLH2:37 pmDuluth Intl
$605
Find similar
United Airlines
Feb 1
DLH3:05 pmDuluth Intl
13h 06m
2 stops
SJU6:11 amSan Juan Luis Munoz Marin Intl
Feb 25
SJU5:50 pmSan Juan Luis Munoz Marin Intl
18h 53m
2 stops
DLH10:43 amDuluth Intl
$650
Find similar

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 octubre 23, 2025.
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

dom. 2/1

3:05 pm-6:11 am

2 stops13h 06m

San Juan Luis Munoz Marin Intl

mié. 2/25

8:35 am-2:37 pm

1 stop8h 02m

$575

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

dom. 2/1

7:40 am-10:22 pm

2 stops12h 42m

San Juan Luis Munoz Marin Intl

mié. 2/25

8:35 am-2:37 pm

1 stop8h 02m

$605

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

dom. 12/7

7:45 am-11:20 pm

2 stops13h 35m

San Juan Luis Munoz Marin Intl

mié. 12/10

7:15 am-7:35 pm

2 stops14h 20m

$640

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

dom. 2/1

3:05 pm-6:11 am

2 stops13h 06m

San Juan Luis Munoz Marin Intl

mié. 2/25

5:50 pm-10:43 am

2 stops18h 53m

$650

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

vie. 2/6

7:40 am-9:00 pm

1 stop11h 20m

San Juan Luis Munoz Marin Intl

mar. 2/24

3:46 pm-10:43 am

2 stops20h 57m

$651

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

dom. 2/1

7:40 am-10:22 pm

2 stops12h 42m

San Juan Luis Munoz Marin Intl

mar. 2/24

2:05 am-2:37 pm

2 stops14h 32m

$658

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

dom. 2/1

3:05 pm-6:11 am

2 stops13h 06m

San Juan Luis Munoz Marin Intl

mar. 2/24

2:05 am-9:59 pm

2 stops21h 54m

$659

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

vie. 2/6

3:05 pm-9:00 pm

1 stop27h 55m

San Juan Luis Munoz Marin Intl

mar. 2/24

4:52 pm-10:43 am

1 stop19h 51m

$679

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

dom. 2/1

5:10 am-3:20 pm

1 stop8h 10m

San Juan Luis Munoz Marin Intl

mié. 2/25

4:25 pm-11:02 pm

1 stop8h 37m

$681

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

vie. 2/6

3:05 pm-12:36 am

2 stops31h 31m

San Juan Luis Munoz Marin Intl

mar. 2/24

4:52 pm-10:43 am

1 stop19h 51m

$689

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 day to depart on your flight to Puerto Rico?

On average, the least expensive day to fly to Puerto Rico from Duluth is on a Saturday. momondo users have found tickets for Saturday departures for as low as $674. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Wednesday, with ticket prices averaging around $949.

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

Direct flights

None
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 $394Free CancellationRating
7.9
7,982 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.

An easier way to manage your Puerto Rico trip

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