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Cheap flights from Duluth to San Juan from $440

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 San Juan departing on 2/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Duluth to San Juan

Cheap round-trip flights

Delta Logo
5:10 am - 3:20 pmDLH-SJU
8h 10m1 stop
Delta Logo
4:25 pm - 11:52 pmSJU-DLH
9h 27m1 stop
$440Delta
Find Deal
mié., feb. 4 - mié., feb. 25
Delta Logo
5:10 am - 3:20 pmDLH-SJU
8h 10m1 stop
Delta Logo
4:25 pm - 11:52 pmSJU-DLH
9h 27m1 stop
$485Delta
Find Deal
mar., feb. 3 - mié., feb. 25
Delta Logo
5:10 am - 3:20 pmDLH-SJU
8h 10m1 stop
Delta Logo
6:15 am - 3:24 pmSJU-DLH
11h 09m2 stops
$575Delta
Find Deal
mar., feb. 3 - jue., feb. 26
Delta Logo
5:10 am - 4:51 pmDLH-SJU
9h 41m2 stops
Delta Logo
4:25 pm - 11:52 pmSJU-DLH
9h 27m1 stop
$584Delta
Find Deal
dom., feb. 1 - mié., feb. 25
United Airlines Logo
7:53 am - 10:22 pmDLH-SJU
12h 29m2 stops
United Airlines Logo
8:35 am - 2:33 pmSJU-DLH
7h 58m1 stop
$590United Airlines
Find Deal
dom., feb. 1 - jue., feb. 26
Delta Logo
8:05 am - 11:58 pmDLH-SJU
13h 53m2 stops
Delta Logo
4:25 pm - 11:52 pmSJU-DLH
9h 27m1 stop
$609Delta
Find Deal
sáb., ene. 31 - mié., feb. 25
Delta Logo
5:10 am - 5:10 pmDLH-SJU
10h 00m2 stops
Delta Logo
7:30 am - 7:34 pmSJU-DLH
14h 04m2 stops
$623Delta
Find Deal
mié., dic. 10 - sáb., dic. 13
Delta Logo
5:10 am - 3:20 pmDLH-SJU
8h 10m1 stop
Delta Logo
6:15 am - 7:37 pmSJU-DLH
15h 22m2 stops
$629Delta
Find Deal
mié., feb. 4 - vie., feb. 27
Delta Logo
8:05 am - 11:50 pmDLH-SJU
13h 45m2 stops
Delta Logo
7:30 am - 7:34 pmSJU-DLH
14h 04m2 stops
$664Delta
Find Deal
mié., dic. 10 - sáb., dic. 13
United Airlines Logo
7:53 am - 12:36 amDLH-SJU
14h 43m2 stops
United Airlines Logo
8:10 am - 9:57 pmSJU-DLH
15h 47m2 stops
$670United Airlines
Find Deal
mar., ene. 20 - sáb., ene. 24

Delta flights from Duluth to San Juan Luis Munoz Marin Intl Airport

Our best Delta deals on Duluth to San Juan Luis Munoz Marin Intl Airport flight tickets
Delta
Feb 4
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
9h 27m
1 stop
DLH11:52 pmDuluth Intl
$440
Find similar
Delta
Feb 3
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
9h 27m
1 stop
DLH11:52 pmDuluth Intl
$485
Find similar
Delta
Feb 3
DLH5:10 amDuluth Intl
8h 10m
1 stop
SJU3:20 pmSan Juan Luis Munoz Marin Intl
Feb 26
SJU6:15 amSan Juan Luis Munoz Marin Intl
11h 09m
2 stops
DLH3:24 pmDuluth Intl
$575
Find similar

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
Feb 1
DLH7:53 amDuluth Intl
12h 29m
2 stops
SJU10:22 pmSan Juan Luis Munoz Marin Intl
Feb 26
SJU8:35 amSan Juan Luis Munoz Marin Intl
7h 58m
1 stop
DLH2:33 pmDuluth Intl
$590
Find similar
United Airlines
Jan 20
DLH7:53 amDuluth Intl
14h 43m
2 stops
SJU12:36 amSan Juan Luis Munoz Marin Intl
Jan 24
SJU8:10 amSan Juan Luis Munoz Marin Intl
15h 47m
2 stops
DLH9:57 pmDuluth Intl
$670
Find similar
United Airlines
Feb 3
DLH7:53 amDuluth Intl
12h 29m
2 stops
SJU10:22 pmSan Juan Luis Munoz Marin Intl
Feb 26
SJU5:50 pmSan Juan Luis Munoz Marin Intl
18h 54m
2 stops
DLH10:44 amDuluth Intl
$680
Find similar

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 agosto 21, 2025.
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. 2/4

5:10 am-3:20 pm

1 stop8h 10m

San Juan Luis Munoz Marin Intl

mié. 2/25

4:25 pm-11:52 pm

1 stop9h 27m

$440

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

mar. 2/3

5:10 am-3:20 pm

1 stop8h 10m

San Juan Luis Munoz Marin Intl

mié. 2/25

4:25 pm-11:52 pm

1 stop9h 27m

$485

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

mar. 2/3

5:10 am-3:20 pm

1 stop8h 10m

San Juan Luis Munoz Marin Intl

jue. 2/26

6:15 am-3:24 pm

2 stops11h 09m

$575

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

dom. 2/1

5:10 am-4:51 pm

2 stops9h 41m

San Juan Luis Munoz Marin Intl

mié. 2/25

4:25 pm-11:52 pm

1 stop9h 27m

$584

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

dom. 2/1

7:53 am-10:22 pm

2 stops12h 29m

San Juan Luis Munoz Marin Intl

jue. 2/26

8:35 am-2:33 pm

1 stop7h 58m

$590

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

sáb. 1/31

8:05 am-11:58 pm

2 stops13h 53m

San Juan Luis Munoz Marin Intl

mié. 2/25

4:25 pm-11:52 pm

1 stop9h 27m

$609

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

$623

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

mié. 2/4

5:10 am-3:20 pm

1 stop8h 10m

San Juan Luis Munoz Marin Intl

vie. 2/27

6:15 am-7:37 pm

2 stops15h 22m

$629

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

mié. 12/10

8:05 am-11:50 pm

2 stops13h 45m

San Juan Luis Munoz Marin Intl

sáb. 12/13

7:30 am-7:34 pm

2 stops14h 04m

$664

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

$670

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to San Juan from

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 day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport 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. On the other hand, Wednesday is the most expensive day to depart from Duluth because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $949.

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

Direct flights

None
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 10m, 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 $394Free CancellationRating
7.9
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $544Free CancellationRating
7.4
8,930 reviews
Search United Airlines 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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Duluth flight routes

According to popular flight searches on momondo this year
Duluth Intl to Minneapolis St Paul
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