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Cheap flights from Duluth to San Juan from $273

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 San Juan departing on 4/9. 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 San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:45 am - 9:24 pm
DLH
-
SJU
12h 39m
2 stops
United Airlines Logo
1:00 am - 10:29 am
SJU
-
DLH
10h 29m
2 stops
$621United Airlines
Tue, Apr 7 - Mon, Apr 20
United Airlines Logo
11:14 am - 8:34 pm
DLH
-
SJU
8h 20m
1 stop
United Airlines Logo
7:40 am - 5:35 pm
SJU
-
DLH
10h 55m
1 stop
$626United Airlines
Tue, May 5 - Thu, May 7
United Airlines Logo
11:14 am - 8:34 pm
DLH
-
SJU
8h 20m
1 stop
United Airlines Logo
7:40 am - 5:35 pm
SJU
-
DLH
10h 55m
1 stop
$636United Airlines
Tue, May 5 - Thu, May 7
United Airlines Logo
7:45 am - 8:38 pm
DLH
-
SJU
11h 53m
2 stops
United Airlines Logo
1:00 am - 10:29 am
SJU
-
DLH
10h 29m
2 stops
$673United Airlines
Mon, Mar 30 - Thu, Apr 2
United Airlines Logo
11:19 am - 8:34 pm
DLH
-
SJU
8h 15m
1 stop
United Airlines Logo
1:00 am - 10:29 am
SJU
-
DLH
10h 29m
2 stops
$681United Airlines
Tue, Apr 7 - Mon, Apr 20
United Airlines Logo
5:00 am - 2:44 pm
DLH
-
SJU
8h 44m
1 stop
United Airlines Logo
7:40 am - 5:34 pm
SJU
-
DLH
10h 54m
1 stop
$710United Airlines
Tue, Jul 28 - Sun, Aug 2
United Airlines Logo
7:45 am - 11:50 pm
DLH
-
SJU
15h 05m
2 stops
United Airlines Logo
7:40 am - 5:34 pm
SJU
-
DLH
10h 54m
1 stop
$724United Airlines
Tue, Jul 28 - Sun, Aug 2
United Airlines Logo
7:45 am - 9:24 pm
DLH
-
SJU
12h 39m
2 stops
United Airlines Logo
1:00 am - 10:29 am
SJU
-
DLH
10h 29m
2 stops
$725United Airlines
Thu, May 14 - Sun, May 17
United Airlines Logo
6:24 pm - 8:34 pm
DLH
-
SJU
25h 10m
1 stop
United Airlines Logo
7:40 am - 10:29 am
SJU
-
DLH
27h 49m
1 stop
$734United Airlines
Thu, May 14 - Mon, May 18
United Airlines Logo
6:43 pm - 11:36 pm
DLH
-
SJU
27h 53m
2 stops
United Airlines Logo
7:30 am - 10:43 am
SJU
-
DLH
28h 13m
1 stop
$762United Airlines
Mon, Mar 9 - Sat, Mar 14

United Airlines flights from Duluth to San Juan Luis Munoz Marin Intl Airport

Our best United Airlines deals on Duluth to San Juan Luis Munoz Marin Intl Airport flight tickets
United Airlines
Apr 7
DLH7:45 amDuluth Intl
12h 39m
2 stops
SJU9:24 pmSan Juan Luis Munoz Marin Intl
Apr 20
SJU1:00 amSan Juan Luis Munoz Marin Intl
10h 29m
2 stops
DLH10:29 amDuluth Intl
$621
United Airlines
May 5
DLH11:14 amDuluth Intl
8h 20m
1 stop
SJU8:34 pmSan Juan Luis Munoz Marin Intl
May 7
SJU7:20 amSan Juan Luis Munoz Marin Intl
11h 15m
2 stops
DLH5:35 pmDuluth Intl
$626
United Airlines
May 5
DLH7:45 amDuluth Intl
12h 39m
2 stops
SJU9:24 pmSan Juan Luis Munoz Marin Intl
May 7
SJU7:40 amSan Juan Luis Munoz Marin Intl
10h 55m
1 stop
DLH5:35 pmDuluth Intl
$636

momondo Fare Finder

 
Customize your flight search to find flights from Duluth to San Juan Luis Munoz Marin Intl Airport 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 February 11, 2026.
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

Tue 4/7

7:45 am-9:24 pm

2 stops12h 39m

San Juan Luis Munoz Marin Intl

Mon 4/20

1:00 am-10:29 am

2 stops10h 29m

$621

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Tue 5/5

11:14 am-8:34 pm

1 stop8h 20m

San Juan Luis Munoz Marin Intl

Thu 5/7

7:40 am-5:35 pm

1 stop10h 55m

$626

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Tue 5/5

11:14 am-8:34 pm

1 stop8h 20m

San Juan Luis Munoz Marin Intl

Thu 5/7

7:40 am-5:35 pm

1 stop10h 55m

$636

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Mon 3/30

7:45 am-8:38 pm

2 stops11h 53m

San Juan Luis Munoz Marin Intl

Thu 4/2

1:00 am-10:29 am

2 stops10h 29m

$673

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Tue 4/7

11:19 am-8:34 pm

1 stop8h 15m

San Juan Luis Munoz Marin Intl

Mon 4/20

1:00 am-10:29 am

2 stops10h 29m

$681

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Tue 7/28

5:00 am-2:44 pm

1 stop8h 44m

San Juan Luis Munoz Marin Intl

Sun 8/2

7:40 am-5:34 pm

1 stop10h 54m

$710

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Tue 7/28

7:45 am-11:50 pm

2 stops15h 05m

San Juan Luis Munoz Marin Intl

Sun 8/2

7:40 am-5:34 pm

1 stop10h 54m

$724

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Thu 5/14

7:45 am-9:24 pm

2 stops12h 39m

San Juan Luis Munoz Marin Intl

Sun 5/17

1:00 am-10:29 am

2 stops10h 29m

$725

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Thu 5/14

6:24 pm-8:34 pm

1 stop25h 10m

San Juan Luis Munoz Marin Intl

Mon 5/18

7:40 am-10:29 am

1 stop27h 49m

$734

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Mon 3/9

6:43 pm-11:36 pm

2 stops27h 53m

San Juan Luis Munoz Marin Intl

Sat 3/14

7:30 am-10:43 am

1 stop28h 13m

$762

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Duluth to San Juan Luis Munoz Marin Intl Airport

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 San Juan Luis Munoz Marin Intl?

Delta and United Airlines are the most popular carriers operating from Duluth Intl to San Juan Luis Munoz Marin Intl

When to book flights from Duluth to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Duluth to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Duluth to San Juan Luis Munoz Marin Intl Airport (DLH to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Duluth to San Juan Luis Munoz Marin Intl Airport

Fastest flight time

8h 44m

Direct flights

None
The fastest flight from Duluth to San Juan Luis Munoz Marin Intl Airport takes 8h 44m
There are no direct flights from Duluth to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from Duluth to San Juan Luis Munoz Marin Intl Airport.
Search flight deals

  • How far is Duluth Intl to San Juan Luis Munoz Marin Intl by plane?

    The straight-line distance from Duluth Intl to San Juan Luis Munoz Marin Intl is 2452.9 mi. Flights usually cover this in 8h 44m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Duluth Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from Duluth Intl Airport to San Juan Luis Munoz Marin Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Duluth Intl Airport to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from Duluth Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    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 San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The necessary travel and health documents for your San Juan Luis Munoz Marin Intl Airport 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.

  • What is the most popular airline from Duluth to San Juan Luis Munoz Marin Intl Airport?

Best airlines flying from Duluth to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Duluth to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $435Free CancellationRating
7.9
8,178 reviews
Search Delta flights

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Caguas
Humacao
Rio Grande
Bayamón

Why use momondo?

Why should I use momondo to find a flight deal from Duluth to San Juan?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Juan from Duluth.

Can I find flights from Duluth to San Juan with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Juan from Duluth which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Duluth to San Juan?

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 San Juan from Duluth.

I’m not ready to book a flight from Duluth to San Juan right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Duluth to San Juan flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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