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Cheap flights from Milwaukee to Puerto Rico from $143

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 7/23. 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 Milwaukee to Puerto Rico

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:43 am - 7:57 am
MKE
-
SJU
22h 14m
1 stop
Frontier Logo
9:24 am - 7:58 am
SJU
-
MKE
23h 34m
1 stop
$321Frontier
Sun, Jul 12 - Sat, Jul 18
Southwest Logo
10:50 am - 7:00 pm
MKE
-
SJU
7h 10m
1 stop
Southwest Logo
8:55 pm - 8:55 am
SJU
-
MKE
13h 00m
1 stop
$326Southwest
Tue, Aug 18 - Thu, Aug 20
American Airlines Logo
6:16 am - 6:24 pm
MKE
-
SJU
11h 08m
2 stops
American Airlines Logo
6:51 am - 11:23 pm
SJU
-
MKE
17h 32m
1 stop
$331American Airlines
Wed, Aug 12 - Tue, Aug 18
American Airlines Logo
8:20 am - 10:52 pm
MKE
-
SJU
13h 32m
1 stop
American Airlines Logo
6:30 am - 9:54 pm
SJU
-
MKE
16h 24m
2 stops
$351American Airlines
Sat, Sep 5 - Wed, Sep 9
Frontier Logo
8:43 am - 5:36 pm
MKE
-
SJU
7h 53m
1 stop
Frontier Logo
9:24 am - 7:58 am
SJU
-
MKE
23h 34m
1 stop
$361Frontier
Thu, Jul 16 - Mon, Jul 20
Southwest Logo
9:25 am - 11:45 pm
MKE
-
SJU
13h 20m
1 stop
Southwest Logo
5:15 am - 10:55 am
SJU
-
MKE
6h 40m
1 stop
$365Southwest
Wed, Jul 29 - Wed, Aug 5
American Airlines Logo
6:16 am - 6:24 pm
MKE
-
SJU
11h 08m
2 stops
American Airlines Logo
1:38 pm - 10:59 pm
SJU
-
MKE
10h 21m
2 stops
$366American Airlines
Mon, Aug 17 - Fri, Aug 21
American Airlines Logo
6:16 am - 6:24 pm
MKE
-
SJU
11h 08m
2 stops
American Airlines Logo
1:38 pm - 10:59 pm
SJU
-
MKE
10h 21m
2 stops
$371American Airlines
Wed, Aug 12 - Tue, Aug 18
American Airlines Logo
6:00 am - 11:01 pm
MKE
-
SJU
16h 01m
1 stop
American Airlines Logo
6:21 am - 11:47 pm
SJU
-
MKE
18h 26m
1 stop
$375American Airlines
Fri, May 29 - Fri, Jun 5
American Airlines Logo
6:16 am - 10:24 pm
MKE
-
SJU
15h 08m
1 stop
American Airlines Logo
6:51 am - 9:08 pm
SJU
-
MKE
15h 17m
1 stop
$376American Airlines
Thu, Sep 3 - Tue, Sep 8

Delta flights from Milwaukee to Puerto Rico

Our best Delta deals on Milwaukee to Puerto Rico flight tickets
Delta
Oct 18
MKE7:00 amMilwaukee-Mitchell
8h 33m
1 stop
SJU4:33 pmSan Juan Luis Munoz Marin Intl
Oct 29
SJU7:30 amSan Juan Luis Munoz Marin Intl
8h 34m
1 stop
MKE3:04 pmMilwaukee-Mitchell
$401
Delta
Oct 17
MKE5:45 amMilwaukee-Mitchell
9h 48m
1 stop
SJU4:33 pmSan Juan Luis Munoz Marin Intl
Oct 30
SJU12:46 pmSan Juan Luis Munoz Marin Intl
11h 38m
1 stop
MKE11:24 pmMilwaukee-Mitchell
$403
Delta
May 13
MKE10:13 amMilwaukee-Mitchell
11h 04m
1 stop
SJU10:17 pmSan Juan Luis Munoz Marin Intl
Jun 30
SJU5:56 pmSan Juan Luis Munoz Marin Intl
7h 03m
1 stop
MKE11:59 pmMilwaukee-Mitchell
$495

American Airlines flights from Milwaukee to Puerto Rico

Our best American Airlines deals on Milwaukee to Puerto Rico flight tickets
American Airlines
Aug 12
MKE6:16 amMilwaukee-Mitchell
11h 08m
2 stops
SJU6:24 pmSan Juan Luis Munoz Marin Intl
Aug 18
SJU6:51 amSan Juan Luis Munoz Marin Intl
17h 32m
1 stop
MKE11:23 pmMilwaukee-Mitchell
$331
American Airlines
Sep 5
MKE8:20 amMilwaukee-Mitchell
13h 32m
1 stop
SJU10:52 pmSan Juan Luis Munoz Marin Intl
Sep 9
SJU6:30 amSan Juan Luis Munoz Marin Intl
16h 24m
2 stops
MKE9:54 pmMilwaukee-Mitchell
$351
American Airlines
Aug 17
MKE6:16 amMilwaukee-Mitchell
11h 08m
2 stops
SJU6:24 pmSan Juan Luis Munoz Marin Intl
Aug 21
SJU1:38 pmSan Juan Luis Munoz Marin Intl
10h 21m
2 stops
MKE10:59 pmMilwaukee-Mitchell
$366

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 May 10, 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

Sun 7/12

8:43 am-7:57 am

1 stop22h 14m

San Juan Luis Munoz Marin Intl

Sat 7/18

9:24 am-7:58 am

1 stop23h 34m

$321

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Tue 8/18

10:50 am-7:00 pm

1 stop7h 10m

San Juan Luis Munoz Marin Intl

Thu 8/20

8:55 pm-8:55 am

1 stop13h 00m

$326

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Wed 8/12

6:16 am-6:24 pm

2 stops11h 08m

San Juan Luis Munoz Marin Intl

Tue 8/18

6:51 am-11:23 pm

1 stop17h 32m

$331

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Sat 9/5

8:20 am-10:52 pm

1 stop13h 32m

San Juan Luis Munoz Marin Intl

Wed 9/9

6:30 am-9:54 pm

2 stops16h 24m

$351

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Thu 7/16

8:43 am-5:36 pm

1 stop7h 53m

San Juan Luis Munoz Marin Intl

Mon 7/20

9:24 am-7:58 am

1 stop23h 34m

$361
Quickest round-trip

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Wed 7/29

9:25 am-11:45 pm

1 stop13h 20m

San Juan Luis Munoz Marin Intl

Wed 8/5

5:15 am-10:55 am

1 stop6h 40m

$365

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Mon 8/17

6:16 am-6:24 pm

2 stops11h 08m

San Juan Luis Munoz Marin Intl

Fri 8/21

1:38 pm-10:59 pm

2 stops10h 21m

$366

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Wed 8/12

6:16 am-6:24 pm

2 stops11h 08m

San Juan Luis Munoz Marin Intl

Tue 8/18

1:38 pm-10:59 pm

2 stops10h 21m

$371

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Fri 5/29

6:00 am-11:01 pm

1 stop16h 01m

San Juan Luis Munoz Marin Intl

Fri 6/5

6:21 am-11:47 pm

1 stop18h 26m

$375

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Thu 9/3

6:16 am-10:24 pm

1 stop15h 08m

San Juan Luis Munoz Marin Intl

Tue 9/8

6:51 am-9:08 pm

1 stop15h 17m

$376

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 $450 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 $369 on momondo.

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

You could potentially save up to 23% 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 14m

Direct flights

None
The fastest flight from Milwaukee to Puerto Rico takes 6h 14m
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
DeltaPriceFrom $112Free CancellationRating
7.9
8,455 reviews
Search Delta flights
FrontierPriceFrom $117Free CancellationRating
5.6
2,957 reviews
Search Frontier flights
United AirlinesPriceFrom $202Free CancellationRating
7.4
9,694 reviews
Search United Airlines flights
Spirit AirlinesPriceFrom $219Free CancellationRating
6.3
8,636 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $256Free CancellationRating
7.1
11,667 reviews
Search American Airlines flights
SouthwestPriceFrom $315Free CancellationRating
8.0
4,306 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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