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Cheap flights from Milwaukee to San Juan from $128

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
10:15 am - 9:15 amMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
22h 00m1 stop Orlando
Frontier Logo
11:20 am - 9:16 amSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
23h 56m1 stop Orlando
$255Frontier
Thu, Oct 29 - Mon, Nov 2
Frontier Logo
10:15 am - 2:36 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
27h 21m1 stop Orlando
Frontier Logo
3:00 am - 9:20 amSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
7h 20m1 stop Orlando
$255Frontier
Tue, Oct 13 - Mon, Oct 19
Southwest Logo
8:05 am - 8:00 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
9h 55m2 stops Washington, D.C. Reagan-National Orlando
Southwest Logo
6:15 am - 11:50 amSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
7h 35m1 stop Baltimore/Washington
$386Southwest
Tue, Feb 16 - Tue, Feb 23
Southwest Logo
9:55 am - 5:45 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
6h 50m1 stop Orlando
Southwest Logo
12:30 pm - 9:05 pmSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
10h 35m1 stop Orlando
$386Southwest
Wed, Oct 28 - Wed, Nov 4
American Airlines Logo
2:58 pm - 9:42 amMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
17h 44m2 stops Chicago O'Hare Intl Miami
American Airlines Logo
7:05 am - 2:22 pmSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
9h 17m2 stops Charlotte Douglas Chicago O'Hare Intl
$386American Airlines
Sat, Oct 31 - Sat, Nov 7
American Airlines Logo
6:10 am - 10:57 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
15h 47m1 stop Philadelphia
American Airlines Logo
3:49 pm - 7:48 amSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
17h 59m1 stop Chicago O'Hare Intl
$386American Airlines
Fri, Oct 30 - Mon, Nov 2
Delta Logo
7:03 am - 4:49 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
8h 46m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:20 pm - 8:15 pmSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
6h 55m1 stop Detroit Metropolitan Wayne County
$386Delta
Tue, Oct 27 - Thu, Nov 12
Delta Logo
7:03 am - 4:49 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
8h 46m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:20 pm - 8:15 pmSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
6h 55m1 stop Detroit Metropolitan Wayne County
$386Delta
Tue, Oct 27 - Tue, Nov 10
United Airlines Logo
9:20 am - 10:22 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
11h 02m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
United Airlines Logo
2:05 am - 9:46 amSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
9h 41m1 stop Newark
$386United Airlines
Sun, Jan 10 - Fri, Jan 15
United Airlines Logo
6:47 am - 2:40 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
6h 53m1 stop Chicago O'Hare Intl
United Airlines Logo
7:40 am - 6:58 pmSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
13h 18m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
$386United Airlines
Wed, Oct 28 - Wed, Nov 4

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

Our best Frontier deals on Milwaukee to San Juan Luis Munoz Marin Intl Airport flight tickets
Frontier
Oct 29
MKE10:15 amMilwaukee-Mitchell
22h 00m
1 stop
SJU9:15 amSan Juan Luis Munoz Marin Intl
Nov 2
SJU7:26 pmSan Juan Luis Munoz Marin Intl
15h 50m
1 stop
MKE9:16 amMilwaukee-Mitchell
$255
Frontier
Oct 29
MKE10:15 amMilwaukee-Mitchell
22h 00m
1 stop
SJU9:15 amSan Juan Luis Munoz Marin Intl
Nov 2
SJU7:26 pmSan Juan Luis Munoz Marin Intl
15h 50m
1 stop
MKE9:16 amMilwaukee-Mitchell
$259
Frontier
Oct 15
MKE10:15 amMilwaukee-Mitchell
14h 38m
1 stop
SJU1:53 amSan Juan Luis Munoz Marin Intl
Oct 19
SJU3:00 amSan Juan Luis Munoz Marin Intl
7h 20m
1 stop
MKE9:20 amMilwaukee-Mitchell
$265

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
Oct 29
MKE10:25 amMilwaukee-Mitchell
13h 00m
1 stop
SJU12:25 amSan Juan Luis Munoz Marin Intl
Nov 1
SJU4:00 pmSan Juan Luis Munoz Marin Intl
9h 55m
2 stops
MKE11:55 pmMilwaukee-Mitchell
$415
Southwest
Oct 10
MKE7:55 amMilwaukee-Mitchell
11h 15m
1 stop
SJU8:10 pmSan Juan Luis Munoz Marin Intl
Oct 14
SJU6:35 amSan Juan Luis Munoz Marin Intl
12h 00m
1 stop
MKE5:35 pmMilwaukee-Mitchell
$481
Southwest
Oct 6
MKE6:10 amMilwaukee-Mitchell
10h 35m
2 stops
SJU5:45 pmSan Juan Luis Munoz Marin Intl
Oct 20
SJU5:05 amSan Juan Luis Munoz Marin Intl
9h 45m
1 stop
MKE1:50 pmMilwaukee-Mitchell
$482

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

Thu 10/29

10:15 am-9:15 am

1 stop22h 00m

San Juan Luis Munoz Marin Intl

Mon 11/2

11:20 am-9:16 am

1 stop23h 56m

$255

MilwaukeeSan Juan

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

MKESJU

Milwaukee-Mitchell

Tue 10/13

10:15 am-2:36 pm

1 stop27h 21m

San Juan Luis Munoz Marin Intl

Mon 10/19

3:00 am-9:20 am

1 stop7h 20m

$255

MilwaukeeSan Juan

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

MKESJU

Milwaukee-Mitchell

Tue 2/16

8:05 am-8:00 pm

2 stops9h 55m

San Juan Luis Munoz Marin Intl

Tue 2/23

6:15 am-11:50 am

1 stop7h 35m

$386

MilwaukeeSan Juan

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

MKESJU

Milwaukee-Mitchell

Wed 10/28

9:55 am-5:45 pm

1 stop6h 50m

San Juan Luis Munoz Marin Intl

Wed 11/4

12:30 pm-9:05 pm

1 stop10h 35m

$386

MilwaukeeSan Juan

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

MKESJU

Milwaukee-Mitchell

Sat 10/31

2:58 pm-9:42 am

2 stops17h 44m

San Juan Luis Munoz Marin Intl

Sat 11/7

7:05 am-2:22 pm

2 stops9h 17m

$386

MilwaukeeSan Juan

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

MKESJU

Milwaukee-Mitchell

Fri 10/30

6:10 am-10:57 pm

1 stop15h 47m

San Juan Luis Munoz Marin Intl

Mon 11/2

3:49 pm-7:48 am

1 stop17h 59m

$386
Quickest round-trip

MilwaukeeSan Juan

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

MKESJU

Milwaukee-Mitchell

Tue 10/27

7:03 am-4:49 pm

1 stop8h 46m

San Juan Luis Munoz Marin Intl

Thu 11/12

3:20 pm-8:15 pm

1 stop6h 55m

$386

MilwaukeeSan Juan

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

MKESJU

Milwaukee-Mitchell

Tue 10/27

7:03 am-4:49 pm

1 stop8h 46m

San Juan Luis Munoz Marin Intl

Tue 11/10

3:20 pm-8:15 pm

1 stop6h 55m

$386

MilwaukeeSan Juan

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

MKESJU

Milwaukee-Mitchell

Sun 1/10

9:20 am-10:22 pm

2 stops11h 02m

San Juan Luis Munoz Marin Intl

Fri 1/15

2:05 am-9:46 am

1 stop9h 41m

$386

MilwaukeeSan Juan

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

MKESJU

Milwaukee-Mitchell

Wed 10/28

6:47 am-2:40 pm

1 stop6h 53m

San Juan Luis Munoz Marin Intl

Wed 11/4

7:40 am-6:58 pm

2 stops13h 18m

$386

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 $332 to $431.
The lowest price recently found on this route was $255.

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 $384.

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 $470 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 $412 on momondo.

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

As of September 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

$128

Fastest flight time

6h 40m

Direct flights

None
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from Milwaukee in the past 72 hours is $128. 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 $255.
The fastest flight from Milwaukee to San Juan Luis Munoz Marin Intl Airport takes 6h 40m
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 40m 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 $156Free CancellationRating
5.6
2,572 reviews
Search Frontier flights
United AirlinesPriceFrom $235Free CancellationRating
7.4
10,242 reviews
Search United Airlines flights
DeltaPriceFrom $235Free CancellationRating
7.8
8,607 reviews
Search Delta flights
American AirlinesPriceFrom $256Free CancellationRating
7.0
12,098 reviews
Search American Airlines flights
JetBluePriceFrom $273Free CancellationRating
7.1
3,041 reviews
Search JetBlue flights
SouthwestPriceFrom $322Free CancellationRating
8.0
4,201 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
Luquillo
Rio Grande
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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