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Cheap flights from Milwaukee to San Juan from $113

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Milwaukee to San Juan departing on 8/15. 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
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.
American Airlines Logo
6:50 pm - 10:35 am
MKE
-
SJU
13h 45m
2 stops
American Airlines Logo
7:00 am - 5:02 pm
SJU
-
MKE
12h 02m
1 stop
$226American Airlines
Fri, Dec 11 - Wed, Dec 16
American Airlines Logo
6:28 am - 6:33 pm
MKE
-
SJU
11h 05m
2 stops
American Airlines Logo
12:55 am - 7:49 am
SJU
-
MKE
7h 54m
1 stop
$231American Airlines
Wed, Aug 12 - Mon, Aug 17
American Airlines Logo
10:21 am - 10:24 pm
MKE
-
SJU
11h 03m
1 stop
American Airlines Logo
3:47 pm - 9:54 pm
SJU
-
MKE
7h 07m
1 stop
$316American Airlines
Thu, Aug 27 - Tue, Sep 8
Delta Logo
10:24 am - 10:29 pm
MKE
-
SJU
11h 05m
1 stop
Delta Logo
7:00 am - 1:50 pm
SJU
-
MKE
7h 50m
1 stop
$326Delta
Sat, Aug 22 - Wed, Sep 9
American Airlines Logo
8:20 am - 11:59 pm
MKE
-
SJU
14h 39m
2 stops
American Airlines Logo
7:03 am - 9:06 pm
SJU
-
MKE
15h 03m
1 stop
$331American Airlines
Wed, Sep 2 - Sun, Sep 6
American Airlines Logo
6:27 pm - 11:31 am
MKE
-
SJU
16h 04m
2 stops
American Airlines Logo
12:13 pm - 11:18 pm
SJU
-
MKE
12h 05m
2 stops
$332American Airlines
Mon, Oct 5 - Fri, Oct 30
American Airlines Logo
6:27 pm - 11:31 am
MKE
-
SJU
16h 04m
2 stops
American Airlines Logo
12:13 pm - 11:18 pm
SJU
-
MKE
12h 05m
2 stops
$333American Airlines
Mon, Oct 5 - Fri, Oct 30
American Airlines Logo
7:19 pm - 3:02 pm
MKE
-
SJU
17h 43m
1 stop
American Airlines Logo
3:53 pm - 8:07 am
SJU
-
MKE
18h 14m
1 stop
$342American Airlines
Sat, Nov 14 - Sat, Nov 21
Southwest Logo
10:30 am - 6:10 pm
MKE
-
SJU
6h 40m
1 stop
Southwest Logo
6:00 am - 4:10 pm
SJU
-
MKE
11h 10m
1 stop
$349Southwest
Tue, Aug 4 - Thu, Aug 20
Southwest Logo
12:30 pm - 11:05 pm
MKE
-
SJU
9h 35m
2 stops
Southwest Logo
6:00 am - 1:35 pm
SJU
-
MKE
8h 35m
1 stop
$351Southwest
Thu, Sep 10 - Sun, Sep 13

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

Our best American Airlines deals on Milwaukee to San Juan Luis Munoz Marin Intl Airport flight tickets
American Airlines
Aug 12
MKE6:28 amMilwaukee-Mitchell
11h 05m
2 stops
SJU6:33 pmSan Juan Luis Munoz Marin Intl
Aug 17
SJU12:55 amSan Juan Luis Munoz Marin Intl
7h 54m
1 stop
MKE7:49 amMilwaukee-Mitchell
$231
American Airlines
Aug 27
MKE10:21 amMilwaukee-Mitchell
11h 03m
1 stop
SJU10:24 pmSan Juan Luis Munoz Marin Intl
Sep 8
SJU3:47 pmSan Juan Luis Munoz Marin Intl
7h 07m
1 stop
MKE9:54 pmMilwaukee-Mitchell
$316
American Airlines
Sep 2
MKE8:20 amMilwaukee-Mitchell
14h 39m
2 stops
SJU11:59 pmSan Juan Luis Munoz Marin Intl
Sep 6
SJU7:03 amSan Juan Luis Munoz Marin Intl
15h 03m
1 stop
MKE9:06 pmMilwaukee-Mitchell
$331

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

Our best Delta deals on Milwaukee to San Juan Luis Munoz Marin Intl Airport flight tickets
Delta
Aug 22
MKE12:47 pmMilwaukee-Mitchell
8h 42m
1 stop
SJU10:29 pmSan Juan Luis Munoz Marin Intl
Sep 5
SJU2:31 pmSan Juan Luis Munoz Marin Intl
6h 47m
1 stop
MKE8:18 pmMilwaukee-Mitchell
$326
Delta
Sep 25
MKE12:44 pmMilwaukee-Mitchell
8h 35m
1 stop
SJU10:19 pmSan Juan Luis Munoz Marin Intl
Oct 9
SJU5:43 pmSan Juan Luis Munoz Marin Intl
7h 10m
1 stop
MKE11:53 pmMilwaukee-Mitchell
$369
Delta
Sep 18
MKE7:05 amMilwaukee-Mitchell
8h 44m
1 stop
SJU4:49 pmSan Juan Luis Munoz Marin Intl
Oct 2
SJU5:59 pmSan Juan Luis Munoz Marin Intl
6h 49m
1 stop
MKE11:48 pmMilwaukee-Mitchell
$419

momondo Fare Finder

 
Customize your flight search to find flights from Milwaukee 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 July 9, 2026.
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 - SJU

MKESJU

Milwaukee-Mitchell

Fri 12/11

6:50 pm-10:35 am

2 stops13h 45m

San Juan Luis Munoz Marin Intl

Wed 12/16

7:00 am-5:02 pm

1 stop12h 02m

$226

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Wed 8/12

6:28 am-6:33 pm

2 stops11h 05m

San Juan Luis Munoz Marin Intl

Mon 8/17

12:55 am-7:49 am

1 stop7h 54m

$231

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Thu 8/27

10:21 am-10:24 pm

1 stop11h 03m

San Juan Luis Munoz Marin Intl

Tue 9/8

3:47 pm-9:54 pm

1 stop7h 07m

$316

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Sat 8/22

10:24 am-10:29 pm

1 stop11h 05m

San Juan Luis Munoz Marin Intl

Wed 9/9

7:00 am-1:50 pm

1 stop7h 50m

$326

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Wed 9/2

8:20 am-11:59 pm

2 stops14h 39m

San Juan Luis Munoz Marin Intl

Sun 9/6

7:03 am-9:06 pm

1 stop15h 03m

$331

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Mon 10/5

6:27 pm-11:31 am

2 stops16h 04m

San Juan Luis Munoz Marin Intl

Fri 10/30

12:13 pm-11:18 pm

2 stops12h 05m

$332

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Mon 10/5

6:27 pm-11:31 am

2 stops16h 04m

San Juan Luis Munoz Marin Intl

Fri 10/30

12:13 pm-11:18 pm

2 stops12h 05m

$333

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Sat 11/14

7:19 pm-3:02 pm

1 stop17h 43m

San Juan Luis Munoz Marin Intl

Sat 11/21

3:53 pm-8:07 am

1 stop18h 14m

$342
Quickest round-trip

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Tue 8/4

10:30 am-6:10 pm

1 stop6h 40m

San Juan Luis Munoz Marin Intl

Thu 8/20

6:00 am-4:10 pm

1 stop11h 10m

$349

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Thu 9/10

12:30 pm-11:05 pm

2 stops9h 35m

San Juan Luis Munoz Marin Intl

Sun 9/13

6:00 am-1:35 pm

1 stop8h 35m

$351

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?

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 October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $326.

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 $465 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 $391 on momondo.

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

As of July 2026, prices for Milwaukee to San Juan Luis Munoz Marin Intl Airport flights are approximately 23% 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

Fastest flight time

6h 35m

Direct flights

None
The fastest flight from Milwaukee to San Juan Luis Munoz Marin Intl Airport takes 6h 35m
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 35m 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
DeltaPriceFrom $143Free CancellationRating
7.8
8,453 reviews
Search Delta flights
FrontierPriceFrom $156Free CancellationRating
5.6
2,835 reviews
Search Frontier flights
United AirlinesPriceFrom $235Free CancellationRating
7.4
9,955 reviews
Search United Airlines flights
American AirlinesPriceFrom $256Free CancellationRating
7.1
11,789 reviews
Search American Airlines flights
SouthwestPriceFrom $316Free CancellationRating
7.9
4,248 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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