Which airline has the best punctuality record on Chicago to Puerto Rico flights?

According to our data, Southwest have had the least number of delays on this route over the last 12 months; with about 31% of their flights experiencing any sort of delay.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

What airlines fly to Puerto Rico?

Frontier, Southwest and Delta are the top three most popular airlines that fly to Puerto Rico from Chicago Midway Airport according to our data. Frontier is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Puerto Rico. Keep in mind that there are 3 different airlines that fly to Puerto Rico on a routine basis, so you have a few additional options to choose from.

How often are flights from Chicago to Puerto Rico delayed?

Historically, on average around 31% of flights between Chicago and Puerto Rico have experienced a delay on any given week. The average delay length over the past 12 months has been 110 minutes.

What is the most punctual flight time for Chicago to Puerto Rico flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

What is the cheapest airline that flies from Chicago Midway to Puerto Rico?

Southwest and Delta are the most popular carriers operating from Chicago Midway to Puerto Rico

When did momondo last update prices for flights from Chicago Midway Airport to Puerto Rico?

Prices for flights from Chicago Midway Airport to Puerto Rico are refreshed on a daily basis.

How many operators does momondo search for flights from Chicago Midway Airport to Puerto Rico?

As of April 2026, there are 3 operators available to choose from for flights from Chicago Midway Airport to Puerto Rico.

How old do you have to be to fly from Chicago Midway 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 Chicago Midway 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.

$122 Cheap Flights from Chicago Midway Airport to Puerto Rico in 2026

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Find the cheapest flights from Chicago Midway Airport to Puerto Rico

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:14 am - 10:48 pm

MDW

SJU

12h 34m

1 stop

3:08 am - 4:00 pm

SJU

MDW

13h 52m

1 stop

$221Frontier

Fri, Apr 17 - Fri, Apr 17

5:30 am - 1:26 pm

MDW

SJU

6h 56m

1 stop

3:08 am - 4:00 pm

SJU

MDW

13h 52m

1 stop

$226Frontier

Fri, Apr 10 - Fri, Apr 17

6:30 am - 11:58 pm

MDW

SJU

16h 28m

1 stop

11:30 am - 6:37 pm

SJU

MDW

32h 07m

2 stops

$228Multiple Airlines

Mon, Apr 13 - Fri, Apr 17

6:00 am - 2:01 am

MDW

SJU

19h 01m

1 stop

3:08 am - 4:00 pm

SJU

MDW

13h 52m

1 stop

$230Frontier

Sat, Apr 11 - Fri, Apr 17

9:14 am - 10:48 pm

MDW

SJU

12h 34m

1 stop

3:03 pm - 10:19 pm

SJU

MDW

8h 16m

1 stop

$231Frontier

Thu, Apr 16 - Thu, Apr 30

2:56 pm - 12:52 am

MDW

SJU

8h 56m

1 stop

3:08 am - 8:04 am

SJU

MDW

29h 56m

1 stop

$236Frontier

Wed, Apr 8 - Tue, Apr 14

5:05 am - 11:18 am

MDW

SJU

29h 13m

1 stop

6:30 am - 8:04 am

SJU

MDW

26h 34m

1 stop

$239Frontier

Sun, Apr 12 - Wed, Apr 15

6:30 am - 11:58 pm

MDW

SJU

16h 28m

1 stop

11:02 am - 10:26 pm

SJU

MDW

12h 24m

1 stop

$242Multiple Airlines

Mon, Apr 13 - Fri, Apr 17

6:30 am - 11:58 pm

MDW

SJU

16h 28m

1 stop

11:03 am - 2:01 pm

SJU

MDW

27h 58m

1 stop

$244Multiple Airlines

Mon, Apr 6 - Fri, Apr 10

9:14 am - 2:06 pm

MDW

SJU

27h 52m

1 stop

3:21 am - 8:04 am

SJU

MDW

29h 43m

1 stop

$251Frontier

Thu, Apr 16 - Sat, Apr 18

Frontier flights from Chicago Midway Airport to Puerto Rico

Our best Frontier deals on Chicago Midway Airport to Puerto Rico flight tickets

Frontier

Apr 17

MDW9:14 amChicago Midway

12h 34m

1 stop

SJU10:48 pmSan Juan Luis Munoz Marin Intl

Apr 17

SJU3:08 amSan Juan Luis Munoz Marin Intl

13h 52m

1 stop

MDW4:00 pmChicago Midway

$221

Frontier

Apr 10

MDW5:30 amChicago Midway

6h 56m

1 stop

SJU1:26 pmSan Juan Luis Munoz Marin Intl

Apr 17

SJU3:08 amSan Juan Luis Munoz Marin Intl

13h 52m

1 stop

MDW4:00 pmChicago Midway

$226

Frontier

Apr 11

MDW6:00 amChicago Midway

19h 01m

1 stop

SJU2:01 amSan Juan Luis Munoz Marin Intl

Apr 17

SJU3:08 amSan Juan Luis Munoz Marin Intl

13h 52m

1 stop

MDW4:00 pmChicago Midway

$230

momondo Fare Finder

Use the filters below to find and compare flights from Chicago Midway Airport to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoSan Juan

MDW - SJU

MDWSJU

Chicago Midway

Fri 4/17

9:14 am-10:48 pm

1 stop12h 34m

San Juan Luis Munoz Marin Intl

Fri 4/17

3:08 am-4:00 pm

1 stop13h 52m

$221

Quickest round-trip

ChicagoSan Juan

MDW - SJU

MDWSJU

Chicago Midway

Fri 4/10

5:30 am-1:26 pm

1 stop6h 56m

San Juan Luis Munoz Marin Intl

Fri 4/17

3:08 am-4:00 pm

1 stop13h 52m

$226

ChicagoSan Juan

MDW - SJU

MDWSJU

Chicago Midway

Mon 4/13

6:30 am-11:58 pm

1 stop16h 28m

San Juan Luis Munoz Marin Intl

Fri 4/17

11:30 am-6:37 pm

2 stops32h 07m

$228

ChicagoSan Juan

MDW - SJU

MDWSJU

Chicago Midway

Sat 4/11

6:00 am-2:01 am

1 stop19h 01m

San Juan Luis Munoz Marin Intl

Fri 4/17

3:08 am-4:00 pm

1 stop13h 52m

$230

ChicagoSan Juan

MDW - SJU

MDWSJU

Chicago Midway

Thu 4/16

9:14 am-10:48 pm

1 stop12h 34m

San Juan Luis Munoz Marin Intl

Thu 4/30

3:03 pm-10:19 pm

1 stop8h 16m

$231

ChicagoSan Juan

MDW - SJU

MDWSJU

Chicago Midway

Wed 4/8

2:56 pm-12:52 am

1 stop8h 56m

San Juan Luis Munoz Marin Intl

Tue 4/14

3:08 am-8:04 am

1 stop29h 56m

$236

ChicagoSan Juan

MDW - SJU

MDWSJU

Chicago Midway

Sun 4/12

5:05 am-11:18 am

1 stop29h 13m

San Juan Luis Munoz Marin Intl

Wed 4/15

6:30 am-8:04 am

1 stop26h 34m

$239

ChicagoSan Juan

MDW - SJU

MDWSJU

Chicago Midway

Mon 4/13

6:30 am-11:58 pm

1 stop16h 28m

San Juan Luis Munoz Marin Intl

Fri 4/17

11:02 am-10:26 pm

1 stop12h 24m

$242

ChicagoSan Juan

MDW - SJU

MDWSJU

Chicago Midway

Mon 4/6

6:30 am-11:58 pm

1 stop16h 28m

San Juan Luis Munoz Marin Intl

Fri 4/10

11:03 am-2:01 pm

1 stop27h 58m

$244

ChicagoSan Juan

MDW - SJU

MDWSJU

Chicago Midway

Thu 4/16

9:14 am-2:06 pm

1 stop27h 52m

San Juan Luis Munoz Marin Intl

Sat 4/18

3:21 am-8:04 am

1 stop29h 43m

$251

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago Midway Airport 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

Prices

Airlines

Delays

What is the cheapest month to fly to Puerto Rico?

If you don’t want to visit Puerto Rico in February, then you should wait until January to fly from Chicago Midway Airport, when ticket prices are also cheap, with an average price of $304.

What is the cheapest Chicago Midway to Puerto Rico flight route?

Fly from Chicago Midway to San Juan Luis Munoz Marin Intl for the best Chicago Midway - Puerto Rico flight prices

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

You are more likely to see cheaper flights to Puerto Rico from Chicago Midway Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around $386 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Puerto Rico from Chicago Midway Airport for as low as $262 on momondo.

What cabin class options are available on Chicago Midway to Puerto Rico flights?

There is only 1 cabin class available to choose from on Chicago Midway to Puerto Rico flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Chicago Midway Airport to Puerto Rico flight deals and tips

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

Fastest flight time	6h 30m
Direct flights	Mon and Sun
Airports in Puerto Rico	20 airports

The fastest flight from Chicago Midway Airport to Puerto Rico takes 6h 30m

Direct flights go from Chicago Midway Airport to Puerto Rico on Monday and Sunday. The only airline offering direct flights is Southwest.

There are 20 airports in Puerto Rico. From Chicago Midway Airport there are direct flights to San Juan Luis Munoz Marin Intl (SJU).

Search flight deals

Frequently asked questions about flying from Chicago Midway Airport to Puerto Rico

When did momondo last update prices for flights from Chicago Midway Airport to Puerto Rico?
Prices for flights from Chicago Midway Airport to Puerto Rico are refreshed on a daily basis.
How many operators does momondo search for flights from Chicago Midway Airport to Puerto Rico?
As of April 2026, there are 3 operators available to choose from for flights from Chicago Midway Airport to Puerto Rico.
How old do you have to be to fly from Chicago Midway 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 Chicago Midway 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.
What is the most popular plane model from Chicago Midway Airport to Puerto Rico?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago Midway Airport to Puerto Rico is Airbus A321-100/200 (20.00% of total bookings). The next most popular plane models are Airbus A321 (sharklets) (20.00%), Airbus A321neo (17.14%), and Boeing 737 MAX 8 (14.29%).

Best airlines flying from Chicago Midway Airport to Puerto Rico

Compare and see reviews for airlines that fly from Chicago Midway Airport to Puerto Rico with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $132	Free Cancellation	Rating 7.9 8,373 reviews	Search Delta flights
Frontier	PriceFrom $142	Free Cancellation	Rating 5.7 3,003 reviews	Search Frontier flights
Southwest	PriceFrom $377	Free Cancellation	Rating 8.0 4,340 reviews	Search Southwest flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Puerto Rico from Chicago.

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

Flights from Chicago to Puerto Rico with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Chicago 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 Chicago to Puerto Rico right now. Can momondo alert me if prices change?

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

An easier way to manage your Puerto Rico trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities in Puerto Rico

Flights to San Juanfrom $68

Flights to Aguadillafrom $202

Flights to Poncefrom $176

Flights to Mayagüezfrom $377

Flights to Culebrafrom $403

Cheap flights from Chicago Midway Airport to Puerto Rico from $122

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Frontier flights from Chicago Midway Airport to Puerto Rico

Our best Frontier deals on Chicago Midway Airport to Puerto Rico flight tickets

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Use the filters below to find and compare flights from Chicago Midway Airport to Puerto Rico that are best for you.

See travel insights to Puerto Rico from

How to get the cheapest flight ticket from Chicago Midway Airport to Puerto Rico

What is the cheapest month to fly to Puerto Rico?

What is the cheapest Chicago Midway to Puerto Rico flight route?

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

What cabin class options are available on Chicago Midway to Puerto Rico flights?

What is the cheapest airline that flies from Chicago Midway to Puerto Rico?

What airlines fly to Puerto Rico?

How often are flights from Chicago to Puerto Rico delayed?

What is the most punctual flight time for Chicago to Puerto Rico flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Chicago to Puerto Rico flights?

Cheap Chicago Midway Airport to Puerto Rico flight deals and tips

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

Fastest flight time

Direct flights

Airports in Puerto Rico

Frequently asked questions about flying from Chicago Midway Airport to Puerto Rico

Best airlines flying from Chicago Midway Airport to Puerto Rico

Compare and see reviews for airlines that fly from Chicago Midway Airport to Puerto Rico with momondo

Why use momondo?

An easier way to manage your Puerto Rico trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Puerto Rico

Popular cities in Puerto Rico

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

Chicago Midway Airport flight routes

According to popular flight searches on momondo this year

Puerto Rico flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Puerto Rico

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Puerto Rico

List of cabin classes available on flights landing in Puerto Rico. Availability may vary depending on flight origin and airline.

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According to popular flight searches on momondo this year