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Cheap flights from Duluth to Puerto Rico from $601

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Duluth to Puerto Rico departing on 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Duluth to Puerto Rico

Cheap round-trip flights

United Airlines Logo
8:00 am - 11:57 pmDLH-SJU
14h 57m2 stops
United Airlines Logo
1:05 am - 10:45 amSJU-DLH
10h 40m2 stops
$601United Airlines
Find Deal
Thu, Sep 4 - Wed, Sep 10
Delta Logo
5:10 am - 5:10 pmDLH-SJU
10h 00m2 stops
Delta Logo
7:00 am - 3:21 pmSJU-DLH
10h 21m2 stops
$644Delta
Find Deal
Mon, Dec 8 - Wed, Dec 10
United Airlines Logo
7:55 am - 12:36 amDLH-SJU
14h 41m2 stops
United Airlines Logo
8:10 am - 2:22 pmSJU-DLH
8h 12m1 stop
$655United Airlines
Find Deal
Mon, Dec 8 - Wed, Dec 10
United Airlines Logo
7:55 am - 10:22 pmDLH-SJU
12h 27m2 stops
United Airlines Logo
2:05 am - 2:22 pmSJU-DLH
14h 17m2 stops
$675United Airlines
Find Deal
Wed, Dec 10 - Fri, Dec 12
Delta Logo
5:10 am - 5:10 pmDLH-SJU
10h 00m2 stops
Delta Logo
7:30 am - 7:34 pmSJU-DLH
14h 04m2 stops
$687Delta
Find Deal
Wed, Dec 10 - Sat, Dec 13
United Airlines Logo
7:55 am - 9:00 pmDLH-SJU
11h 05m1 stop
United Airlines Logo
8:10 am - 2:22 pmSJU-DLH
8h 12m1 stop
$692United Airlines
Find Deal
Mon, Dec 8 - Wed, Dec 10
United Airlines Logo
7:55 am - 12:36 amDLH-SJU
14h 41m2 stops
United Airlines Logo
8:10 am - 2:22 pmSJU-DLH
8h 12m1 stop
$695United Airlines
Find Deal
Mon, Dec 8 - Wed, Dec 10
United Airlines Logo
8:00 am - 11:57 pmDLH-SJU
14h 57m2 stops
United Airlines Logo
1:05 am - 2:35 pmSJU-DLH
14h 30m3 stops
$713United Airlines
Find Deal
Thu, Sep 4 - Wed, Sep 10
United Airlines Logo
7:55 am - 9:00 pmDLH-SJU
11h 05m1 stop
United Airlines Logo
8:10 am - 9:59 pmSJU-DLH
15h 49m1 stop
$722United Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
United Airlines Logo
7:55 am - 10:22 pmDLH-SJU
12h 27m2 stops
United Airlines Logo
8:10 am - 2:22 pmSJU-DLH
8h 12m1 stop
$723United Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13

Delta flights from Duluth to Puerto Rico

Our best Delta deals on Duluth to Puerto Rico flight tickets
Delta
Dec 8
DLH5:10 amDuluth Intl
10h 00m
2 stops
SJU5:10 pmSan Juan Luis Munoz Marin Intl
Dec 10
SJU7:00 amSan Juan Luis Munoz Marin Intl
10h 21m
2 stops
DLH3:21 pmDuluth Intl
$644
Find similar
Delta
Dec 10
DLH5:10 amDuluth Intl
10h 00m
2 stops
SJU5:10 pmSan Juan Luis Munoz Marin Intl
Dec 13
SJU7:30 amSan Juan Luis Munoz Marin Intl
14h 04m
2 stops
DLH7:34 pmDuluth Intl
$687
Find similar
Delta
Sep 4
DLH7:50 amDuluth Intl
15h 01m
2 stops
SJU11:51 pmSan Juan Luis Munoz Marin Intl
Sep 11
SJU7:30 amSan Juan Luis Munoz Marin Intl
16h 13m
2 stops
DLH10:43 pmDuluth Intl
$2,287
Find similar

United Airlines flights from Duluth to Puerto Rico

Our best United Airlines deals on Duluth to Puerto Rico flight tickets
United Airlines
Sep 4
DLH8:00 amDuluth Intl
14h 57m
2 stops
SJU11:57 pmSan Juan Luis Munoz Marin Intl
Sep 10
SJU1:05 amSan Juan Luis Munoz Marin Intl
10h 40m
2 stops
DLH10:45 amDuluth Intl
$601
Find similar
United Airlines
Dec 8
DLH7:55 amDuluth Intl
14h 41m
2 stops
SJU12:36 amSan Juan Luis Munoz Marin Intl
Dec 10
SJU8:10 amSan Juan Luis Munoz Marin Intl
8h 12m
1 stop
DLH2:22 pmDuluth Intl
$655
Find similar
United Airlines
Dec 10
DLH7:55 amDuluth Intl
12h 27m
2 stops
SJU10:22 pmSan Juan Luis Munoz Marin Intl
Dec 12
SJU2:05 amSan Juan Luis Munoz Marin Intl
14h 17m
2 stops
DLH2:22 pmDuluth Intl
$675
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 August 6, 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

Thu 9/4

8:00 am-11:57 pm

2 stops14h 57m

San Juan Luis Munoz Marin Intl

Wed 9/10

1:05 am-10:45 am

2 stops10h 40m

$601

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Mon 12/8

5:10 am-5:10 pm

2 stops10h 00m

San Juan Luis Munoz Marin Intl

Wed 12/10

7:00 am-3:21 pm

2 stops10h 21m

$644

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Mon 12/8

7:55 am-12:36 am

2 stops14h 41m

San Juan Luis Munoz Marin Intl

Wed 12/10

8:10 am-2:22 pm

1 stop8h 12m

$655

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Wed 12/10

7:55 am-10:22 pm

2 stops12h 27m

San Juan Luis Munoz Marin Intl

Fri 12/12

2:05 am-2:22 pm

2 stops14h 17m

$675

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Wed 12/10

5:10 am-5:10 pm

2 stops10h 00m

San Juan Luis Munoz Marin Intl

Sat 12/13

7:30 am-7:34 pm

2 stops14h 04m

$687

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Mon 12/8

7:55 am-9:00 pm

1 stop11h 05m

San Juan Luis Munoz Marin Intl

Wed 12/10

8:10 am-2:22 pm

1 stop8h 12m

$692

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Mon 12/8

7:55 am-12:36 am

2 stops14h 41m

San Juan Luis Munoz Marin Intl

Wed 12/10

8:10 am-2:22 pm

1 stop8h 12m

$695

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Thu 9/4

8:00 am-11:57 pm

2 stops14h 57m

San Juan Luis Munoz Marin Intl

Wed 9/10

1:05 am-2:35 pm

3 stops14h 30m

$713

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Wed 12/10

7:55 am-9:00 pm

1 stop11h 05m

San Juan Luis Munoz Marin Intl

Sat 12/13

8:10 am-9:59 pm

1 stop15h 49m

$722

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Wed 12/10

7:55 am-10:22 pm

2 stops12h 27m

San Juan Luis Munoz Marin Intl

Sat 12/13

8:10 am-2:22 pm

1 stop8h 12m

$723

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 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

Best Price Found

$688

Fastest flight time

10h 00m

Direct flights

None

Airports in Puerto Rico

2 airports
The best one-way flight to Puerto Rico from Duluth in the past 72 hours is $688. The best round-trip flight deal from Duluth to Puerto Rico found on momondo in the last 72 hours is $601.
The fastest flight from Duluth to Puerto Rico takes 10h 00m
There are no direct flights from Duluth to Puerto Rico. Popular non-direct routes for this connection are Duluth Intl Airport - Vieques Airport and Duluth Intl Airport - San Juan Luis Munoz Marin Intl Airport.
There are 2 airports near Puerto Rico: Vieques (VQS), San Juan Luis Munoz Marin Intl (SJU)
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
8.0
7,985 reviews
Search Delta flights
United AirlinesPriceFrom $544Free CancellationRating
7.4
8,917 reviews
Search United Airlines 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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