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Cheap flights from Milwaukee to Puerto Rico from $163

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 Puerto Rico departing on 10/17. 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 Puerto Rico

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
10:11 am - 10:19 pm
MKE
-
SJU
11h 08m
1 stop
Delta Logo
2:59 pm - 11:48 pm
SJU
-
MKE
9h 49m
1 stop
$326Delta
Thu, Sep 17 - Sun, Sep 27
American Airlines Logo
5:00 am - 6:33 pm
MKE
-
SJU
12h 33m
2 stops
American Airlines Logo
7:03 am - 5:30 pm
SJU
-
MKE
11h 27m
1 stop
$331American Airlines
Wed, Sep 2 - Sun, Sep 6
American Airlines Logo
6:28 am - 2:51 pm
MKE
-
SJU
7h 23m
1 stop
American Airlines Logo
7:03 am - 9:06 pm
SJU
-
MKE
15h 03m
1 stop
$333American Airlines
Fri, Sep 4 - Mon, Sep 7
American Airlines Logo
8:14 pm - 2:50 pm
MKE
-
SJU
17h 36m
2 stops
American Airlines Logo
6:27 am - 8:29 pm
SJU
-
MKE
15h 02m
2 stops
$338American Airlines
Wed, Sep 16 - Sun, Sep 20
American Airlines Logo
6:20 am - 6:30 pm
MKE
-
SJU
11h 10m
2 stops
American Airlines Logo
12:55 am - 12:47 pm
SJU
-
MKE
12h 52m
1 stop
$351American Airlines
Mon, Aug 24 - Fri, Sep 4
United Airlines Logo
10:30 am - 11:50 pm
MKE
-
SJU
12h 20m
2 stops
United Airlines Logo
3:56 pm - 10:59 pm
SJU
-
MKE
8h 03m
1 stop
$354United Airlines
Sat, Sep 19 - Sun, Oct 4
American Airlines Logo
12:58 pm - 11:59 pm
MKE
-
SJU
10h 01m
2 stops
American Airlines Logo
6:00 am - 5:00 pm
SJU
-
MKE
12h 00m
2 stops
$356American Airlines
Wed, Aug 19 - Sat, Sep 5
United Airlines Logo
5:00 am - 8:38 pm
MKE
-
SJU
14h 38m
2 stops
United Airlines Logo
3:56 pm - 10:59 pm
SJU
-
MKE
8h 03m
1 stop
$357United Airlines
Sat, Sep 19 - Sun, Oct 4
American Airlines Logo
6:01 am - 6:24 pm
MKE
-
SJU
11h 23m
2 stops
American Airlines Logo
12:59 am - 8:02 am
SJU
-
MKE
8h 03m
1 stop
$366American Airlines
Tue, Jul 28 - Sun, Aug 2
United Airlines Logo
5:00 am - 5:21 pm
MKE
-
CPX
11h 21m
2 stops
United Airlines Logo
10:48 am - 5:06 pm
CPX
-
MKE
31h 18m
2 stops
$1,708United Airlines
Fri, Jul 17 - Tue, Jul 21

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Frontier flights from Milwaukee to Puerto Rico

Our best Frontier deals on Milwaukee to Puerto Rico flight tickets
Frontier
Aug 18
MKE12:10 pmMilwaukee-Mitchell
13h 05m
1 stop
SJU2:15 amSan Juan Luis Munoz Marin Intl
Aug 29
SJU3:10 amSan Juan Luis Munoz Marin Intl
9h 03m
1 stop
MKE11:13 amMilwaukee-Mitchell
$396
Frontier
Aug 18
MKE12:10 pmMilwaukee-Mitchell
13h 05m
1 stop
SJU2:15 amSan Juan Luis Munoz Marin Intl
Aug 31
SJU8:57 pmSan Juan Luis Munoz Marin Intl
15h 16m
1 stop
MKE11:13 amMilwaukee-Mitchell
$399
Frontier
Oct 5
MKE8:10 pmMilwaukee-Mitchell
20h 27m
1 stop
SJU5:37 pmSan Juan Luis Munoz Marin Intl
Oct 16
SJU2:58 amSan Juan Luis Munoz Marin Intl
17h 17m
1 stop
MKE7:15 pmMilwaukee-Mitchell
$410

United Airlines flights from Milwaukee to Puerto Rico

Our best United Airlines deals on Milwaukee to Puerto Rico flight tickets
United Airlines
Sep 19
MKE10:30 amMilwaukee-Mitchell
12h 20m
2 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
Oct 4
SJU3:56 pmSan Juan Luis Munoz Marin Intl
8h 03m
1 stop
MKE10:59 pmMilwaukee-Mitchell
$354
United Airlines
Oct 17
MKE6:15 amMilwaukee-Mitchell
7h 29m
1 stop
SJU2:44 pmSan Juan Luis Munoz Marin Intl
Oct 31
SJU2:05 amSan Juan Luis Munoz Marin Intl
10h 38m
1 stop
MKE11:43 amMilwaukee-Mitchell
$357
United Airlines
Dec 5
MKE3:00 pmMilwaukee-Mitchell
7h 36m
1 stop
SJU12:36 amSan Juan Luis Munoz Marin Intl
Dec 7
SJU2:05 amSan Juan Luis Munoz Marin Intl
9h 41m
1 stop
MKE9:46 amMilwaukee-Mitchell
$358

momondo Fare Finder

 
Customize your flight search to find flights from Milwaukee to Puerto Rico 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 6, 2026.
Use the filters below to find and compare flights from Milwaukee to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Thu 9/17

10:11 am-10:19 pm

1 stop11h 08m

San Juan Luis Munoz Marin Intl

Sun 9/27

2:59 pm-11:48 pm

1 stop9h 49m

$326

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Wed 9/2

5:00 am-6:33 pm

2 stops12h 33m

San Juan Luis Munoz Marin Intl

Sun 9/6

7:03 am-5:30 pm

1 stop11h 27m

$331

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Fri 9/4

6:28 am-2:51 pm

1 stop7h 23m

San Juan Luis Munoz Marin Intl

Mon 9/7

7:03 am-9:06 pm

1 stop15h 03m

$333

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Wed 9/16

8:14 pm-2:50 pm

2 stops17h 36m

San Juan Luis Munoz Marin Intl

Sun 9/20

6:27 am-8:29 pm

2 stops15h 02m

$338

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Mon 8/24

6:20 am-6:30 pm

2 stops11h 10m

San Juan Luis Munoz Marin Intl

Fri 9/4

12:55 am-12:47 pm

1 stop12h 52m

$351

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Sat 9/19

10:30 am-11:50 pm

2 stops12h 20m

San Juan Luis Munoz Marin Intl

Sun 10/4

3:56 pm-10:59 pm

1 stop8h 03m

$354

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Wed 8/19

12:58 pm-11:59 pm

2 stops10h 01m

San Juan Luis Munoz Marin Intl

Sat 9/5

6:00 am-5:00 pm

2 stops12h 00m

$356

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Sat 9/19

5:00 am-8:38 pm

2 stops14h 38m

San Juan Luis Munoz Marin Intl

Sun 10/4

3:56 pm-10:59 pm

1 stop8h 03m

$357
Quickest round-trip

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Tue 7/28

6:01 am-6:24 pm

2 stops11h 23m

San Juan Luis Munoz Marin Intl

Sun 8/2

12:59 am-8:02 am

1 stop8h 03m

$366

MilwaukeeCulebra

MKE - CPX

MKECPX

Milwaukee-Mitchell

Fri 7/17

5:00 am-5:21 pm

2 stops11h 21m

Culebra

Tue 7/21

10:48 am-5:06 pm

2 stops31h 18m

$1,708

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 Puerto Rico from

How to get the cheapest flight ticket from Milwaukee to Puerto Rico

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 month to fly to Puerto Rico?

If you don’t want to visit Puerto Rico in January, then you should wait until April to fly from Milwaukee, when ticket prices are also cheap, with an average price of $101.

How far in advance should I book a flight from Milwaukee to Puerto Rico?

You are more likely to see cheaper flights to Puerto Rico from Milwaukee when booking weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around $465 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Puerto Rico from Milwaukee for as low as $391 on momondo.

Can stopping save me money on Milwaukee to Puerto Rico flights?

You could potentially save up to 4% on your flight if you consider stops on a Milwaukee to Puerto Rico flight.

Cheap Milwaukee to Puerto Rico flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Milwaukee to Puerto Rico

Fastest flight time

6h 55m

Direct flights

None
The fastest flight from Milwaukee to Puerto Rico takes 6h 55m
There are no direct flights from Milwaukee to Puerto Rico. There are no popular flight routes from Milwaukee to Puerto Rico.
Search flight deals

Frequently asked questions about flying from Milwaukee to Puerto Rico

  • When did momondo last update prices for flights from Milwaukee-Mitchell Airport to Puerto Rico?

    Prices for flights from Milwaukee-Mitchell Airport to Puerto Rico are updated daily.

  • How many operators does momondo search for flights from Milwaukee-Mitchell Airport to Puerto Rico?

  • How old do you have to be to fly from Milwaukee-Mitchell Airport to Puerto Rico?

    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 Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

    The necessary travel and health documents for your Puerto Rico 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.

Best airlines flying from Milwaukee to Puerto Rico

Compare and see reviews for airlines that fly from Milwaukee to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $117Free CancellationRating
5.6
2,844 reviews
Search Frontier flights
DeltaPriceFrom $143Free CancellationRating
7.8
8,452 reviews
Search Delta flights
United AirlinesPriceFrom $235Free CancellationRating
7.4
9,938 reviews
Search United Airlines flights
American AirlinesPriceFrom $256Free CancellationRating
7.1
11,784 reviews
Search American Airlines flights
SouthwestPriceFrom $316Free CancellationRating
7.9
4,251 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Milwaukee to Puerto Rico?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Milwaukee to Puerto Rico for you.

Can I find flights from Milwaukee to Puerto Rico with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Milwaukee to Puerto Rico flights to just show those with flexible booking policies.

How can momondo help me find flights from Milwaukee to Puerto Rico?

Once all potential Milwaukee to Puerto Rico flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Milwaukee to Puerto Rico flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Puerto Rico trip

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Find better results for your trip to Puerto Rico

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Popular flights according to clicks in the last 7 days on momondo
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