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Cheap flights from Milwaukee to San Juan from $157

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Milwaukee to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:15 am - 9:48 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
11h 33m1 stop Orlando
Frontier Logo
3:55 am - 7:16 amSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
29h 21m1 stop Orlando
$338Frontier
Sun, Jan 31 - Fri, Feb 5
Frontier Logo
8:15 am - 9:48 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
11h 33m1 stop Orlando
Frontier Logo
10:53 pm - 7:16 amSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
10h 23m1 stop Orlando
$348Frontier
Sun, Jan 24 - Sat, Jan 30
American Airlines Logo
5:18 am - 9:11 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
13h 53m2 stops Chicago O'Hare Intl Charlotte Douglas
American Airlines Logo
5:00 am - 3:04 pmSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
12h 04m2 stops Miami Chicago O'Hare Intl
$431American Airlines
Fri, Jan 29 - Sat, Jan 30
American Airlines Logo
12:10 pm - 9:11 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
7h 01m1 stop Charlotte Douglas
American Airlines Logo
6:12 am - 3:04 pmSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
10h 52m2 stops Charlotte Douglas Chicago O'Hare Intl
$431American Airlines
Fri, Jan 29 - Sat, Jan 30
Southwest Logo
7:20 pm - 10:00 amMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
12h 40m1 stop Orlando
Southwest Logo
2:25 pm - 10:20 pmSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
9h 55m2 stops Baltimore/Washington Nashville Intl
$436Southwest
Fri, Dec 4 - Mon, Dec 7
Southwest Logo
3:15 pm - 11:30 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
6h 15m1 stop Orlando
Southwest Logo
12:30 pm - 9:25 pmSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
10h 55m2 stops Orlando Baltimore/Washington
$436Southwest
Sat, Dec 12 - Wed, Dec 16
Delta Logo
12:21 pm - 12:03 amMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
9h 42m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:59 pm - 11:59 pmSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
12h 00m1 stop Atlanta Hartsfield-Jackson
$436Delta
Thu, Jan 14 - Mon, Jan 18
Delta Logo
3:22 pm - 11:58 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
6h 36m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:30 am - 2:23 pmSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
9h 53m1 stop Atlanta Hartsfield-Jackson
$436Delta
Tue, Jan 26 - Fri, Jan 29
United Airlines Logo
5:00 am - 3:40 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
8h 40m1 stop Chicago O'Hare Intl
United Airlines Logo
8:05 am - 5:31 pmSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
11h 26m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
$436United Airlines
Mon, Jan 18 - Sat, Jan 23
United Airlines Logo
10:35 am - 9:00 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
8h 25m1 stop Chicago O'Hare Intl
United Airlines Logo
2:05 am - 10:58 amSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
10h 53m1 stop Newark
$436United Airlines
Sun, Jan 24 - Sat, Feb 6

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

Our best United Airlines deals on Milwaukee to San Juan Luis Munoz Marin Intl Airport flight tickets
United Airlines
Dec 12
MKE8:30 amMilwaukee-Mitchell
11h 52m
2 stops
SJU10:22 pmSan Juan Luis Munoz Marin Intl
Dec 19
SJU4:55 pmSan Juan Luis Munoz Marin Intl
8h 16m
1 stop
MKE11:11 pmMilwaukee-Mitchell
$436
United Airlines
Jan 16
MKE3:51 pmMilwaukee-Mitchell
12h 24m
2 stops
SJU6:15 amSan Juan Luis Munoz Marin Intl
Jan 26
SJU8:25 amSan Juan Luis Munoz Marin Intl
8h 45m
1 stop
MKE3:10 pmMilwaukee-Mitchell
$444
United Airlines
Jan 16
MKE10:35 amMilwaukee-Mitchell
9h 47m
2 stops
SJU10:22 pmSan Juan Luis Munoz Marin Intl
Jan 26
SJU8:05 amSan Juan Luis Munoz Marin Intl
11h 26m
2 stops
MKE5:31 pmMilwaukee-Mitchell
$446

Southwest flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport

Our best Southwest deals on Milwaukee to San Juan Luis Munoz Marin Intl Airport flight tickets
Southwest
Apr 1
MKE8:40 pmMilwaukee-Mitchell
12h 15m
1 stop
SJU9:55 amSan Juan Luis Munoz Marin Intl
Apr 8
SJU5:00 amSan Juan Luis Munoz Marin Intl
7h 40m
1 stop
MKE11:40 amMilwaukee-Mitchell
$480
Southwest
Dec 13
MKE5:10 amMilwaukee-Mitchell
10h 40m
1 stop
SJU5:50 pmSan Juan Luis Munoz Marin Intl
Dec 20
SJU7:05 amSan Juan Luis Munoz Marin Intl
10h 25m
2 stops
MKE3:30 pmMilwaukee-Mitchell
$491
Southwest
Dec 12
MKE7:05 amMilwaukee-Mitchell
11h 20m
2 stops
SJU8:25 pmSan Juan Luis Munoz Marin Intl
Dec 20
SJU7:05 amSan Juan Luis Munoz Marin Intl
10h 25m
2 stops
MKE3:30 pmMilwaukee-Mitchell
$520

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MilwaukeeSan Juan

MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl

MKESJU

Milwaukee-Mitchell

Sun 1/31

8:15 am-9:48 pm

1 stop11h 33m

San Juan Luis Munoz Marin Intl

Fri 2/5

3:55 am-7:16 am

1 stop29h 21m

$338

MilwaukeeSan Juan

MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl

MKESJU

Milwaukee-Mitchell

Sun 1/24

8:15 am-9:48 pm

1 stop11h 33m

San Juan Luis Munoz Marin Intl

Sat 1/30

10:53 pm-7:16 am

1 stop10h 23m

$348

MilwaukeeSan Juan

MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl

MKESJU

Milwaukee-Mitchell

Fri 1/29

5:18 am-9:11 pm

2 stops13h 53m

San Juan Luis Munoz Marin Intl

Sat 1/30

5:00 am-3:04 pm

2 stops12h 04m

$431

MilwaukeeSan Juan

MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl

MKESJU

Milwaukee-Mitchell

Fri 1/29

12:10 pm-9:11 pm

1 stop7h 01m

San Juan Luis Munoz Marin Intl

Sat 1/30

6:12 am-3:04 pm

2 stops10h 52m

$431

MilwaukeeSan Juan

MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl

MKESJU

Milwaukee-Mitchell

Fri 12/4

7:20 pm-10:00 am

1 stop12h 40m

San Juan Luis Munoz Marin Intl

Mon 12/7

2:25 pm-10:20 pm

2 stops9h 55m

$436

MilwaukeeSan Juan

MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl

MKESJU

Milwaukee-Mitchell

Sat 12/12

3:15 pm-11:30 pm

1 stop6h 15m

San Juan Luis Munoz Marin Intl

Wed 12/16

12:30 pm-9:25 pm

2 stops10h 55m

$436

MilwaukeeSan Juan

MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl

MKESJU

Milwaukee-Mitchell

Thu 1/14

12:21 pm-12:03 am

1 stop9h 42m

San Juan Luis Munoz Marin Intl

Mon 1/18

1:59 pm-11:59 pm

1 stop12h 00m

$436
Quickest round-trip

MilwaukeeSan Juan

MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl

MKESJU

Milwaukee-Mitchell

Tue 1/26

3:22 pm-11:58 pm

1 stop6h 36m

San Juan Luis Munoz Marin Intl

Fri 1/29

6:30 am-2:23 pm

1 stop9h 53m

$436

MilwaukeeSan Juan

MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl

MKESJU

Milwaukee-Mitchell

Mon 1/18

5:00 am-3:40 pm

1 stop8h 40m

San Juan Luis Munoz Marin Intl

Sat 1/23

8:05 am-5:31 pm

2 stops11h 26m

$436

MilwaukeeSan Juan

MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl

MKESJU

Milwaukee-Mitchell

Sun 1/24

10:35 am-9:00 pm

1 stop8h 25m

San Juan Luis Munoz Marin Intl

Sat 2/6

2:05 am-10:58 am

1 stop10h 53m

$436

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Juan from

How to get the cheapest flight ticket from Milwaukee 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 typical price of a round-trip flight between Milwaukee and San Juan Luis Munoz Marin Intl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $440 to $621.
The lowest price recently found on this route was $338.

What is the cheapest month to fly to San Juan Luis Munoz Marin Intl Airport?

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of September, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $389.

How far in advance should I book a flight from Milwaukee to San Juan Luis Munoz Marin Intl Airport?

You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from Milwaukee when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $471 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from Milwaukee for as low as $415 on momondo.

How have Milwaukee to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

As of November 2026, prices for Milwaukee to San Juan Luis Munoz Marin Intl Airport flights are approximately 10% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Milwaukee 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 Milwaukee to San Juan Luis Munoz Marin Intl Airport (MKE to SJU) flight deals and tips

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

Best Price Found

$157

Fastest flight time

6h 25m

Direct flights

None
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from Milwaukee in the past 72 hours is $157. The best round-trip flight deal from Milwaukee to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is $338.
The fastest flight from Milwaukee to San Juan Luis Munoz Marin Intl Airport takes 6h 25m
There are no direct flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from Milwaukee to San Juan Luis Munoz Marin Intl Airport.
Search flight deals

Frequently asked questions about flying from Milwaukee to San Juan Luis Munoz Marin Intl Airport

  • How far is Milwaukee-Mitchell to San Juan Luis Munoz Marin Intl by plane?

    The distance between Milwaukee-Mitchell and San Juan Luis Munoz Marin Intl is about 2124.9 mi. Typically, this will take 6h 25m by plane in normal conditions.

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

    Prices for flights from Milwaukee-Mitchell Airport to San Juan Luis Munoz Marin Intl Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Milwaukee-Mitchell 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 travel and health documents required for your trip to San Juan Luis Munoz Marin Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Juan Luis Munoz Marin Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Compare and see reviews for airlines that fly from Milwaukee to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $174Free CancellationRating
5.5
2,503 reviews
Search Frontier flights
United AirlinesPriceFrom $235Free CancellationRating
7.3
10,494 reviews
Search United Airlines flights
DeltaPriceFrom $235Free CancellationRating
7.8
8,716 reviews
Search Delta flights
American AirlinesPriceFrom $256Free CancellationRating
7.0
12,235 reviews
Search American Airlines flights
JetBluePriceFrom $273Free CancellationRating
7.1
3,076 reviews
Search JetBlue flights
SouthwestPriceFrom $323Free CancellationRating
8.0
4,218 reviews
Search Southwest 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
Rio Grande
Luquillo
Humacao
Caguas
Bayamón

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Milwaukee to San Juan. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo provides multiple filters to help you find the best flight to San Juan from Milwaukee. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to San Juan, momondo offers a useful price alert feature which will track prices for flights to San Juan from Milwaukee and alert you when they change.

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