Luis Munoz Marin Intl

$99+ Cheap flights from Chicago (CHI) to Luis Munoz Marin Intl (SJU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SJU
Feb 7 — Feb 141
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Chicago to San Juan Luis Munoz Marin Intl are usually found in April or October, booked 34 days in advance, depart on a Monday or Tuesday and return on a Friday

Cheap flight deals from Chicago to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Luis Munoz Marin Intl (SJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 8, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$192
(JetBlue)

One-way from

$99
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$361

Good round-trip deal

$308 or less

Good one-way deal

$141 or less
Provider with most accurate pricing for Chicago (CHI)-San Juan Luis Munoz Marin Intl flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-San Juan Luis Munoz Marin Intl flights.
From Chicago (CHI) to San Juan Luis Munoz Marin Intl
One-way flight from Chicago (CHI) to San Juan Luis Munoz Marin Intl
Highest demand for flights based on searches. 10% potential increase in price ($49 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from Chicago (CHI) to San Juan Luis Munoz Marin Intl.
Price to beat on a one-way flight from Chicago (CHI) to San Juan Luis Munoz Marin Intl.

Find flight deals from Chicago to Luis Munoz Marin Intl

Cheapest flights from Chicago to Luis Munoz Marin Intl
Explore the most affordable flight options available from Chicago to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This Priceline deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/143:15 pmORD - SJU
1 stop9h 52mJetBlue
Sun 5/1711:59 pmSJU - ORD
1 stop10h 49mJetBlue
Deal found 1/6$192
This Super.com deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/2412:17 pmORD - SJU
Nonstop4h 32mSpirit Airlines
Tue 1/271:22 pmSJU - ORD
Nonstop5h 15mSpirit Airlines
Deal found 1/7$193
This Kiwi.com deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/76:03 amORD - SJU
1 stop8h 57mMultiple Airlines
Tue 2/107:10 amSJU - ORD
2 stops18h 37mMultiple Airlines
Deal found 1/6$194
This Frontier deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/210:15 amORD - SJU
1 stop13h 09mFrontier
Mon 3/910:04 amSJU - ORD
1 stop14h 34mFrontier
Deal found 1/7$195
This Frontier deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/218:00 amMDW - SJU
1 stop8h 59mFrontier
Thu 3/54:11 pmSJU - MDW
1 stop8h 18mFrontier
Deal found 1/7$195
This Cheapflightsfares deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/912:17 pmORD - SJU
Nonstop4h 32mSpirit Airlines
Fri 2/1311:52 amSJU - ORD
1 stop7h 54mSpirit Airlines
Deal found 1/8$196
This CheapOair deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/288:00 amMDW - SJU
1 stop14h 43mFrontier
Sun 3/83:08 amSJU - MDW
1 stop18h 45mFrontier
Deal found 1/7$196
This Expedia deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2212:17 pmORD - SJU
Nonstop4h 32mMultiple Airlines
Tue 3/35:10 amSJU - ORD
1 stop8h 44mMultiple Airlines
Deal found 1/6$197
This Priceline deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/51:00 pmMDW - SJU
1 stop24h 26mFrontier
Sat 2/147:54 pmSJU - MDW
1 stop20h 32mFrontier
Deal found 1/7$197
This Priceline deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/99:51 pmMDW - SJU
1 stop11h 06mFrontier
Wed 3/183:22 pmSJU - MDW
1 stop7h 57mFrontier
Deal found 1/7$198
This CheapOair deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/286:05 amORD - SJU
1 stop15h 28mSpirit Airlines
Sat 1/311:22 pmSJU - ORD
Nonstop5h 15mSpirit Airlines
Deal found 1/6$199
This Kiwi.com deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/2312:17 pmORD - SJU
Nonstop4h 32mMultiple Airlines
Sun 1/2510:59 amSJU - ORD
1 stop25h 42mMultiple Airlines
Deal found 1/6$200

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Luis Munoz Marin Intl 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, Cheapflights users made 2,558,603 searches. Data last updated January 8, 2026.
Use the filters below to find and compare flights from Chicago to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Chicago

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Thu 3/12

10:56 am-11:23 pm

1 stop11h 27m

San Juan Luis Munoz Marin Intl

Wed 3/18

3:26 am-11:25 am

1 stop8h 59m

$192

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Wed 4/1

10:00 am-10:01 pm

1 stop11h 01m

San Juan Luis Munoz Marin Intl

Wed 4/15

11:25 pm-8:51 am

1 stop10h 26m

$197

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Wed 3/11

12:41 pm-10:44 pm

1 stop9h 03m

San Juan Luis Munoz Marin Intl

Sun 3/15

1:30 am-10:05 am

1 stop9h 35m

$197

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Mon 2/9

7:45 am-6:05 pm

1 stop8h 20m

San Juan Luis Munoz Marin Intl

Fri 2/13

5:22 pm-11:21 pm

1 stop7h 59m

$203

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sat 2/21

6:04 am-4:56 pm

1 stop8h 52m

San Juan Luis Munoz Marin Intl

Sat 2/28

5:10 am-12:04 pm

1 stop8h 54m

$203

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Fri 2/6

9:15 am-7:23 pm

1 stop8h 08m

San Juan Luis Munoz Marin Intl

Wed 2/11

9:25 am-7:31 pm

1 stop12h 06m

$212

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 3/3

10:00 am-9:56 pm

1 stop9h 56m

San Juan Luis Munoz Marin Intl

Sat 3/7

4:15 am-11:49 am

1 stop8h 34m

$229

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 2/24

2:20 pm-9:00 pm

Nonstop4h 40m

San Juan Luis Munoz Marin Intl

Fri 3/6

8:30 am-11:52 am

Nonstop5h 22m

$231

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sat 2/28

12:59 pm-12:29 am

1 stop9h 30m

San Juan Luis Munoz Marin Intl

Fri 3/13

1:30 am-10:05 am

1 stop9h 35m

$238

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Mon 3/16

10:56 am-11:23 pm

1 stop11h 27m

San Juan Luis Munoz Marin Intl

Mon 3/16

1:30 am-10:05 am

1 stop9h 35m

$243

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 46 results
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Compare providers for flights from Chicago to Luis Munoz Marin Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Luis Munoz Marin Intl in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Chicago-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Chicago-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to San Juan Luis Munoz Marin Intl Airport

How far ahead should I book a flight from Chicago to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Luis Munoz Marin Intl. Price data was last updated on January 2, 2026.

Booking 34 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to San Juan Luis Munoz Marin Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Chicago to San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Chicago to San Juan Luis Munoz Marin Intl Airport (average of $127). Flying from Chicago to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $224). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHI to SJU?

Find hourly flight availability from Chicago to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 8, 2026.

It’s typically best to fly out from Chicago to San Juan Luis Munoz Marin Intl Airport in the evening. Doing so could potentially save you 33% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Chicago to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Luis Munoz Marin Intl. Price data was last updated on February 10, 2025.

Travelers seeking maximum savings on their Chicago to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Chicago to San Juan Luis Munoz Marin Intl Airport

Explore weekly flight availability from Chicago to Luis Munoz Marin Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 8, 2026.

The most flights from CHI to SJU are scheduled on a Monday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

What’s the top layover airport for flights from Chicago to San Juan Luis Munoz Marin Intl Airport?

Share of 1-stop round-trip flights from Chicago to San Juan Luis Munoz Marin Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Orlando (MCO) – chosen by Cheapflights users on 41% of 1-stop itineraries from Chicago to San Juan Luis Munoz Marin Intl Airport on Cheapflights.

What’s the cheapest layover airport for flights from Chicago to San Juan Luis Munoz Marin Intl Airport?

Average round-trip fare for 1-stop flights from Chicago to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Miami (MIA) is the most affordable 1-stop option, with an average round-trip price of $210.

What’s the fastest layover option from Chicago to San Juan Luis Munoz Marin Intl Airport?

Shortest average travel time for 1-stop one-way flights from Chicago to San Juan Luis Munoz Marin Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Philadelphia (PHL) have the shortest average one-way travel time for 1-stop routes: 6h 49m.

Which airport typically offers the quickest layover for flights from Chicago to San Juan Luis Munoz Marin Intl Airport?

Average layover duration for 1-stop one-way flights from Chicago to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Tampa (TPA) offer the fastest connection on this route, with an average layover time of 1h 20m.

How often are flights from Chicago to San Juan delayed?

About 17% of weekly flights between Chicago and San Juan have experienced delays in the past year, with the average delay time being 142 minutes.

What is the most punctual flight time for Chicago to San Juan flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

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

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Chicago to San Juan flights?

Over the last year, American Airlines have had the lowest number of delays on this route, with just 13% of flights being delayed.

The best insider tips for Chicago to San Juan Luis Munoz Marin Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago to San Juan Luis Munoz Marin Intl Airport trip
Airlines
Spirit Airlines

Spirit's Big Front Seats offer 11 inches more legroom, ideal for medium-haul comfort.


Use Spirit's Bag-O-Tron tool to compare baggage fees and save money.

United Airlines

United's Economy Plus offers extra legroom, perfect for a more comfortable medium-haul journey.


United's MileagePlus allows pooling miles, useful for family travel.

Airports
ORD

For a smooth departure from ORD, consider taking the 'L' train to avoid traffic delays common around the airport.

SJU

At SJU, Uber is a convenient option for reaching the city center, avoiding the need for cash payments.

Our travel experts
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on ORD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Brandon Schultz

Brandon Schultz

Expert on SJU

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Luis Munoz Marin Intl. Reviews last updated January 8, 2026.
Read reviews from past customers who have flown United Airlines, American Airlines, and JetBlue from Chicago to San Juan Luis Munoz Marin Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Luis Munoz Marin Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Chicago to San Juan Luis Munoz Marin Intl Airport?

    JetBlue, Delta, and Southwest can get you from Chicago to San Juan Luis Munoz Marin Intl Airport in just under 6h 35m. Your travel time can differ by up to 4h 52m. The distance between Chicago and San Juan Luis Munoz Marin Intl Airport is about 2057 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Chicago to San Juan Luis Munoz Marin Intl Airport round-trip?

    Our cheapest airline available from Chicago to San Juan Luis Munoz Marin Intl Airport is Frontier. Our recent data shows that you can find tickets from as low as $106 on this airline. Additional options worth looking into are JetBlue and Delta, starting at $122 and $136 round-trip. Frontier is currently priced 73% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Chicago to San Juan Luis Munoz Marin Intl Airport one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $65. However, be on the lookout for offers from JetBlue and Spirit Airlines, as they are both options that can get you from Chicago to San Juan Luis Munoz Marin Intl Airport for a low price.

  • What are the most reliable airlines from Chicago to San Juan Luis Munoz Marin Intl Airport?

    Consider United Airlines (79%), Air New Zealand (79%) or Alaska Airlines (75%) when booking your flight. These represent the most reliable airlines when flying from Chicago to San Juan Luis Munoz Marin Intl Airport.

  • What are the cheapest flights from Chicago to San Juan Luis Munoz Marin Intl Airport?

    Looking for the cheapest flight from Chicago to San Juan Luis Munoz Marin Intl Airport? While on average our users pay $595, our data indicates the cheapest price to be $108. The most popular route (Chicago O'Hare Intl - San Juan Luis Munoz Marin Intl), is priced around $116.

  • Can I find deals for flights from Chicago to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Chicago to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Luis Munoz Marin Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Luis Munoz Marin Intl.

  • Can I find deals for business class flights from Chicago to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Chicago to Luis Munoz Marin Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to San Juan Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Chicago to San Juan Luis Munoz Marin Intl Airport (average of $127). Flying from Chicago to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $224). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Fajardo
Dorado
Rio Grande
Humacao
Luquillo
Bayamón

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Chicago to Luis Munoz Marin Intl

Discover the top 7 airlines that operate flights from Chicago to Luis Munoz Marin Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$114Average$289FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$135Average$286FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$150Average$314FlexibilityNo cancel feeOn-time65%
DeltaCheapest$190Average$400FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$276Average$531FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$361Average$534FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$383Average$488FlexibilityNo cancel feeOn-time63%

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