How do I get Price Alerts for flights from Duluth to Puerto Rico?

Price Alerts will notify you by email when the price for flights to Puerto Rico from Duluth decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Duluth to Puerto Rico with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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?

As of October 2026, there is 1 operator available to choose from 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.

$526 Cheap Flights from Duluth to Puerto Rico in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Duluth to Puerto Rico

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:29 am - 9:00 pmDLH Duluth Intl-SJU San Juan Luis Munoz Marin Intl

8h 31m1 stop Chicago O'Hare Intl

4:55 pm - 11:44 pmSJU San Juan Luis Munoz Marin Intl-DLH Duluth Intl

8h 49m1 stop Chicago O'Hare Intl

$526United Airlines

Mon, Feb 22 - Mon, Mar 1

6:03 am - 10:22 pmDLH Duluth Intl-SJU San Juan Luis Munoz Marin Intl

14h 19m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

4:55 pm - 11:44 pmSJU San Juan Luis Munoz Marin Intl-DLH Duluth Intl

8h 49m1 stop Chicago O'Hare Intl

$526United Airlines

Mon, Feb 22 - Mon, Mar 1

11:18 am - 9:00 pmDLH Duluth Intl-SJU San Juan Luis Munoz Marin Intl

7h 42m1 stop Chicago O'Hare Intl

1:00 am - 10:44 amSJU San Juan Luis Munoz Marin Intl-DLH Duluth Intl

10h 44m2 stops Newark Chicago O'Hare Intl

$554United Airlines

Wed, Mar 10 - Tue, Mar 30

6:03 am - 10:22 pmDLH Duluth Intl-SJU San Juan Luis Munoz Marin Intl

14h 19m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

1:00 pm - 11:44 pmSJU San Juan Luis Munoz Marin Intl-DLH Duluth Intl

12h 44m2 stops Newark Chicago O'Hare Intl

$571United Airlines

Mon, Feb 22 - Mon, Mar 1

7:45 am - 10:22 pmDLH Duluth Intl-SJU San Juan Luis Munoz Marin Intl

12h 37m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

2:05 am - 2:32 pmSJU San Juan Luis Munoz Marin Intl-DLH Duluth Intl

14h 27m2 stops Newark Chicago O'Hare Intl

$590United Airlines

Sun, Feb 21 - Sat, Feb 27

6:03 am - 3:40 pmDLH Duluth Intl-SJU San Juan Luis Munoz Marin Intl

7h 37m1 stop Chicago O'Hare Intl

2:05 am - 2:32 pmSJU San Juan Luis Munoz Marin Intl-DLH Duluth Intl

14h 27m2 stops Newark Chicago O'Hare Intl

$590United Airlines

Sun, Feb 21 - Sat, Feb 27

7:35 am - 10:22 pmDLH Duluth Intl-SJU San Juan Luis Munoz Marin Intl

12h 47m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

1:00 am - 2:33 pmSJU San Juan Luis Munoz Marin Intl-DLH Duluth Intl

14h 33m2 stops Newark Chicago O'Hare Intl

$612United Airlines

Wed, Mar 10 - Tue, Mar 30

7:20 am - 9:24 pmDLH Duluth Intl-SJU San Juan Luis Munoz Marin Intl

12h 04m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

8:05 am - 6:31 pmSJU San Juan Luis Munoz Marin Intl-DLH Duluth Intl

12h 26m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$636United Airlines

Sat, Jan 23 - Wed, Jan 27

6:03 am - 6:09 pmDLH Duluth Intl-SJU San Juan Luis Munoz Marin Intl

10h 06m2 stops Chicago O'Hare Intl Saint Thomas Island Cyril E King

2:21 pm - 6:27 pmSJU San Juan Luis Munoz Marin Intl-DLH Duluth Intl

30h 06m3 stops Denver Intl Lincoln Chicago O'Hare Intl

$2,735Multiple Airlines

Wed, Feb 24 - Sun, Feb 28

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United Airlines flights from Duluth to Puerto Rico

Our best United Airlines deals on Duluth to Puerto Rico flight tickets

United Airlines

Feb 22

DLH6:03 amDuluth Intl

14h 19m

2 stops

SJU10:22 pmSan Juan Luis Munoz Marin Intl

Mar 1

SJU4:55 pmSan Juan Luis Munoz Marin Intl

8h 49m

1 stop

DLH11:44 pmDuluth Intl

$526

United Airlines

Mar 10

DLH11:18 amDuluth Intl

7h 42m

1 stop

SJU9:00 pmSan Juan Luis Munoz Marin Intl

Mar 30

SJU1:00 amSan Juan Luis Munoz Marin Intl

10h 44m

2 stops

DLH10:44 amDuluth Intl

$554

United Airlines

Feb 22

DLH6:03 amDuluth Intl

14h 19m

2 stops

SJU10:22 pmSan Juan Luis Munoz Marin Intl

Mar 1

SJU1:00 pmSan Juan Luis Munoz Marin Intl

12h 44m

2 stops

DLH11:44 pmDuluth Intl

$571

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

DuluthSan Juan

DLH Duluth Intl - SJU San Juan Luis Munoz Marin Intl

DLHSJU

Duluth Intl

Mon 2/22

10:29 am-9:00 pm

1 stop8h 31m

San Juan Luis Munoz Marin Intl

Mon 3/1

4:55 pm-11:44 pm

1 stop8h 49m

$526

DuluthSan Juan

DLH Duluth Intl - SJU San Juan Luis Munoz Marin Intl

DLHSJU

Duluth Intl

Mon 2/22

6:03 am-10:22 pm

2 stops14h 19m

San Juan Luis Munoz Marin Intl

Mon 3/1

4:55 pm-11:44 pm

1 stop8h 49m

$526

DuluthSan Juan

DLH Duluth Intl - SJU San Juan Luis Munoz Marin Intl

DLHSJU

Duluth Intl

Wed 3/10

11:18 am-9:00 pm

1 stop7h 42m

San Juan Luis Munoz Marin Intl

Tue 3/30

1:00 am-10:44 am

2 stops10h 44m

$554

DuluthSan Juan

DLH Duluth Intl - SJU San Juan Luis Munoz Marin Intl

DLHSJU

Duluth Intl

Mon 2/22

6:03 am-10:22 pm

2 stops14h 19m

San Juan Luis Munoz Marin Intl

Mon 3/1

1:00 pm-11:44 pm

2 stops12h 44m

$571

DuluthSan Juan

DLH Duluth Intl - SJU San Juan Luis Munoz Marin Intl

DLHSJU

Duluth Intl

Sun 2/21

7:45 am-10:22 pm

2 stops12h 37m

San Juan Luis Munoz Marin Intl

Sat 2/27

2:05 am-2:32 pm

2 stops14h 27m

$590

DuluthSan Juan

DLH Duluth Intl - SJU San Juan Luis Munoz Marin Intl

DLHSJU

Duluth Intl

Sun 2/21

6:03 am-3:40 pm

1 stop7h 37m

San Juan Luis Munoz Marin Intl

Sat 2/27

2:05 am-2:32 pm

2 stops14h 27m

$590

DuluthSan Juan

DLH Duluth Intl - SJU San Juan Luis Munoz Marin Intl

DLHSJU

Duluth Intl

Wed 3/10

7:35 am-10:22 pm

2 stops12h 47m

San Juan Luis Munoz Marin Intl

Tue 3/30

1:00 am-2:33 pm

2 stops14h 33m

$612

DuluthSan Juan

DLH Duluth Intl - SJU San Juan Luis Munoz Marin Intl

DLHSJU

Duluth Intl

Sat 1/23

7:20 am-9:24 pm

2 stops12h 04m

San Juan Luis Munoz Marin Intl

Wed 1/27

8:05 am-6:31 pm

2 stops12h 26m

$636

DuluthSan Juan

DLH Duluth Intl - SJU San Juan Luis Munoz Marin Intl

DLHSJU

Duluth Intl

Wed 2/24

6:03 am-6:09 pm

2 stops10h 06m

San Juan Luis Munoz Marin Intl

Sun 2/28

2:21 pm-6:27 pm

3 stops30h 06m

$2,735

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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	$526
Fastest flight time	7h 50m
Direct flights	None

The best flight deal from Duluth to Puerto Rico found on momondo in the last 72 hours is $526

The fastest flight from Duluth to Puerto Rico takes 7h 50m

There are no direct flights from Duluth to Puerto Rico. There are no popular flight routes from Duluth to Puerto Rico.

Search flight deals

Frequently asked questions about flying from Duluth to Puerto Rico

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?
As of October 2026, there is 1 operator available to choose from 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
United Airlines	PriceFrom $466	Free Cancellation	Rating 7.3 10,441 reviews		Search United Airlines flights

Frequently asked questions about flying from Duluth to Puerto Rico

How do I get Price Alerts for flights from Duluth to Puerto Rico?
Price Alerts will notify you by email when the price for flights to Puerto Rico from Duluth decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Duluth to Puerto Rico with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Puerto Rico

Popular cities

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Airlines

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Complete your trip

Feeling lucky

Popular cities in Puerto Rico

Flights to San Juanfrom $118

Flights to Aguadillafrom $213

Flights to Poncefrom $198

Flights to Viequesfrom $500

Flights to Culebrafrom $466

Flights to Mayagüezfrom $276

Cheap flights from Duluth to Puerto Rico from $526

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 2/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Duluth to Puerto Rico

Cheap round-trip flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

United Airlines flights from Duluth to Puerto Rico

Our best United Airlines deals on Duluth to Puerto Rico flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Duluth to Puerto Rico that are best for you.

Cheap Duluth to Puerto Rico flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Duluth to Puerto Rico

Best airlines flying from Duluth to Puerto Rico

Compare and see reviews for airlines that fly from Duluth to Puerto Rico with momondo

Frequently asked questions about flying from Duluth to Puerto Rico

Why use momondo?

An easier way to manage your Puerto Rico trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Puerto Rico

Popular cities in Puerto Rico

Popular flights according to clicks in the last 7 days on momondo

Duluth flight routes

According to popular flight searches on momondo this year

Puerto Rico flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Puerto Rico

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Puerto Rico

List of cabin classes available on flights landing in Puerto Rico. Availability may vary depending on flight origin and airline.

Complete your trip to Puerto Rico

Explore popular destinations other users love

According to popular flight searches on momondo this year