What are the cheapest airlines flying from Duluth to San Juan Luis Munoz Marin Intl Airport round-trip?

According to our current data, Delta ($394), and United Airlines ($544) offers the cheapest pricing from Duluth to San Juan Luis Munoz Marin Intl Airport.

What is the cheapest month to book a flight from Duluth to San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Duluth to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Duluth to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Duluth to San Juan Luis Munoz Marin Intl Airport?

Travelers seeking maximum savings on their Duluth to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Wednesday mornings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in San Juan Luis Munoz Marin Intl Airport ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan Luis Munoz Marin Intl Airport when rainfall is around 2.2 in.

If weather is an important factor for your trip to San Juan Luis Munoz Marin Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

What is the cheapest day to fly round-trip from Duluth to San Juan Luis Munoz Marin Intl Airport?

Leaving on a Friday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 40% on the overall cost on flights from Duluth to San Juan Luis Munoz Marin Intl Airport.

What is the cheapest time of day to fly from DLH to SJU?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Duluth to San Juan Luis Munoz Marin Intl Airport as you normally would.

What airport do you fly from for flights from Duluth to San Juan Luis Munoz Marin Intl?

For a flight from Duluth to San Juan Luis Munoz Marin Intl, you will be flying from Duluth Intl. Duluth Intl (DLH) is just 5.8 mi from the center of the city. Duluth Intl is the only Duluth airport and it handles 0 outbound flights to San Juan Luis Munoz Marin Intl per day. 2 airlines have flights to San Juan Luis Munoz Marin Intl from Duluth Intl on a regular basis.

Can I find deals for flights from Duluth to Luis Munoz Marin Intl that include hotel bookings?

Yes. In addition to deals on Duluth to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Duluth to Luis Munoz Marin Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Duluth to Luis Munoz Marin Intl.

Can I find deals for business class flights from Duluth to Luis Munoz Marin Intl?

Yes. Cheapflights offers flight deals from Duluth to Luis Munoz Marin Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$303+ Flights from Duluth to San Juan Luis Munoz Marin Intl Airport

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Cheap flight deals from Duluth to Luis Munoz Marin Intl

Round-trip from	$535 (Delta)
One-way from	$303 (Delta)

From Duluth Intl to San Juan Luis Munoz Marin Intl

Search Deals

One-way flight from Duluth Intl to San Juan Luis Munoz Marin Intl

Search Deals

Find flight deals from Duluth to Luis Munoz Marin Intl

Cheapest flights from Duluth to Luis Munoz Marin Intl
Explore the most affordable flight options available from Duluth to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

mié. 12/105:10 amDLH - SJU

2 stops10h 00mDelta

sáb. 12/137:30 amSJU - DLH

2 stops14h 04mDelta

Deal found 8/12

$535

lun. 12/85:10 amDLH - SJU

2 stops10h 00mDelta

mié. 12/107:30 amSJU - DLH

2 stops18h 14mDelta

Deal found 8/12

$605

lun. 12/87:55 amDLH - SJU

1 stop11h 05mUnited Airlines

mié. 12/108:10 amSJU - DLH

1 stop8h 12mUnited Airlines

Deal found 8/11

$692

sáb. 10/1111:20 amDLH - SJU

2 stops32h 18mUnited Airlines

vie. 10/171:05 amSJU - DLH

2 stops14h 27mUnited Airlines

Deal found 8/12

$754

Best flights from Duluth to Luis Munoz Marin Intl
Discover carefully curated flight deals from Duluth to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated agosto 14, 2025.

mié. 12/105:10 amDLH - SJU

2 stops10h 00mDelta

sáb. 12/137:30 amSJU - DLH

2 stops14h 04mDelta

Deal found 8/12

$535

mar. 1/207:53 amDLH - SJU

2 stops14h 43mUnited Airlines

sáb. 1/248:10 amSJU - DLH

2 stops15h 47mUnited Airlines

Deal found 8/11

$666

lun. 12/85:10 amDLH - SJU

2 stops10h 00mDelta

mié. 12/107:30 amSJU - DLH

2 stops18h 14mDelta

Deal found 8/12

$605

mar. 1/205:10 amDLH - SJU

1 stop8h 10mDelta

sáb. 1/246:15 amSJU - DLH

2 stops15h 22mDelta

Deal found 8/12

$625

lun. 12/87:55 amDLH - SJU

1 stop11h 05mUnited Airlines

mié. 12/108:10 amSJU - DLH

1 stop8h 12mUnited Airlines

Deal found 8/11

$692

One-way flights from Duluth to Luis Munoz Marin Intl
Search for one-way flight options from Duluth to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated agosto 14, 2025.

mié. 2/45:10 amDLH - SJU

1 stop8h 10mDelta

Deal found 8/12

$303

Cheapflights Fare Finder

Use the filters below to find and compare flights from Duluth to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

mié. 12/10

5:10 am-5:10 pm

2 stops10h 00m

San Juan Luis Munoz Marin Intl

sáb. 12/13

7:30 am-7:34 pm

2 stops14h 04m

$535

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

lun. 12/8

5:10 am-5:10 pm

2 stops10h 00m

San Juan Luis Munoz Marin Intl

mié. 12/10

7:30 am-11:44 pm

2 stops18h 14m

$605

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

mar. 1/20

5:10 am-3:20 pm

1 stop8h 10m

San Juan Luis Munoz Marin Intl

sáb. 1/24

6:15 am-7:37 pm

2 stops15h 22m

$625

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

mar. 1/20

7:53 am-12:36 am

2 stops14h 43m

San Juan Luis Munoz Marin Intl

sáb. 1/24

8:10 am-9:57 pm

2 stops15h 47m

$666

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

lun. 12/8

7:55 am-9:00 pm

1 stop11h 05m

San Juan Luis Munoz Marin Intl

mié. 12/10

8:10 am-2:22 pm

1 stop8h 12m

$692

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

mié. 2/4

5:10 am-3:20 pm

1 stop8h 10m

$303

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Best time to book a flight from Duluth to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Duluth with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Luis Munoz Marin Intl

Read reviews from past customers who have flown Delta and United Airlines from Duluth to San Juan Luis Munoz Marin Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,980 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,916 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly from for flights from Duluth to San Juan Luis Munoz Marin Intl?
For a flight from Duluth to San Juan Luis Munoz Marin Intl, you will be flying from Duluth Intl. Duluth Intl (DLH) is just 5.8 mi from the center of the city. Duluth Intl is the only Duluth airport and it handles 0 outbound flights to San Juan Luis Munoz Marin Intl per day. 2 airlines have flights to San Juan Luis Munoz Marin Intl from Duluth Intl on a regular basis.
What are the cheapest airlines flying from Duluth to San Juan Luis Munoz Marin Intl Airport round-trip?
According to our current data, Delta ($394), and United Airlines ($544) offers the cheapest pricing from Duluth to San Juan Luis Munoz Marin Intl Airport.
Can I find deals for flights from Duluth to Luis Munoz Marin Intl that include hotel bookings?
Yes. In addition to deals on Duluth to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Duluth to Luis Munoz Marin Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Duluth to Luis Munoz Marin Intl.
Can I find deals for business class flights from Duluth to Luis Munoz Marin Intl?
Yes. Cheapflights offers flight deals from Duluth to Luis Munoz Marin Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Duluth to San Juan Luis Munoz Marin Intl Airport?
Currently, September is the cheapest month in which you can book a flight from Duluth to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Duluth to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Dorado

Fajardo

Rio Grande

Luquillo

Humacao

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Top 2 airlines flying from Duluth to Luis Munoz Marin Intl

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$394	Average$809	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$544	Average$949	FlexibilityNo cancel fee	On-time69%

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$303+ Cheap flights from Duluth (DLH) to Luis Munoz Marin Intl (SJU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Duluth to Luis Munoz Marin Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Duluth to Luis Munoz Marin Intl

Round-trip from

One-way from

Find flight deals from Duluth to Luis Munoz Marin Intl

Cheapest flights from Duluth to Luis Munoz Marin IntlExplore the most affordable flight options available from Duluth to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

Explore the most affordable flight options available from Duluth to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Duluth to San Juan Luis Munoz Marin Intl Airport that are best for you.

Best time to book a flight from Duluth to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Duluth with our price prediction graph.

Reviews of airlines servicing Luis Munoz Marin Intl

Read reviews from past customers who have flown Delta and United Airlines from Duluth to San Juan Luis Munoz Marin Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Duluth to Luis Munoz Marin Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Duluth to San Juan Luis Munoz Marin Intl?

What are the cheapest airlines flying from Duluth to San Juan Luis Munoz Marin Intl Airport round-trip?

Can I find deals for flights from Duluth to Luis Munoz Marin Intl that include hotel bookings?

How can I find direct flights from Duluth to Luis Munoz Marin Intl?

Can I find deals for business class flights from Duluth to Luis Munoz Marin Intl?

What is the cheapest month to book a flight from Duluth to San Juan Luis Munoz Marin Intl Airport?

Traveling to a place near San Juan Luis Munoz Marin Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Duluth to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Duluth to Luis Munoz Marin Intl

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Travel Smart

Cheapest flights from Duluth to Luis Munoz Marin Intl
Explore the most affordable flight options available from Duluth to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.