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Luis Munoz Marin Intl

$113+ Cheap flights from O'Hare Intl (ORD) 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SJU
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to San Juan Luis Munoz Marin Intl are usually found in August or September, booked 48 days in advance, depart on a Monday or Tuesday and return on a Friday

Cheap flight deals from O'Hare Intl to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 July 3, 2025.

Round-trip from

$216
(Priceline)

One-way from

$113
(FlightHub)

Popular in

December

Cheapest in

August

Average price

$327

Good round-trip deal

$299 or less

Good one-way deal

$190 or less
From Chicago O'Hare Intl to San Juan Luis Munoz Marin Intl
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One-way flight from Chicago O'Hare Intl to San Juan Luis Munoz Marin Intl
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Highest demand for flights based on searches. 8% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Chicago O'Hare Intl to San Juan Luis Munoz Marin Intl.
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Price to beat on a one-way flight from Chicago O'Hare Intl to San Juan Luis Munoz Marin Intl.
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Find flight deals from O'Hare Intl to Luis Munoz Marin Intl

Cheapest flights from O'Hare Intl to Luis Munoz Marin Intl
Explore the most affordable flight options available from O'Hare Intl to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Priceline deal was found by Cheapflights users on 7/1. 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.
Fri 9/125:10 amORD - SJU
1 stop9h 41mMultiple Airlines
Tue 9/163:19 pmSJU - ORD
1 stop7h 39mMultiple Airlines
Deal found 7/1$216
This Priceline deal was found by Cheapflights users on 6/30. 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.
Fri 8/295:10 amORD - SJU
1 stop8h 16mFrontier
Sat 8/303:21 pmSJU - ORD
1 stop9h 12mFrontier
Deal found 6/30$217
This Cheapflightsfares deal was found by Cheapflights users on 7/1. 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 7/215:05 amORD - SJU
1 stop15h 04mSpirit Airlines
Sat 8/24:30 pmSJU - ORD
1 stop15h 34mSpirit Airlines
Deal found 7/1$220

Cheapflights Fare Finder

Customize your flight search to find flights from O'Hare Intl 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 July 3, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

O'Hare Intl

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Fri 9/12

5:10 am-3:51 pm

1 stop9h 41m

San Juan Luis Munoz Marin Intl

Tue 9/16

3:19 pm-9:58 pm

1 stop7h 39m

$216

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Fri 8/29

5:10 am-2:26 pm

1 stop8h 16m

San Juan Luis Munoz Marin Intl

Sat 8/30

3:21 pm-11:33 pm

1 stop9h 12m

$217

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Mon 7/21

5:05 am-9:09 pm

1 stop15h 04m

San Juan Luis Munoz Marin Intl

Sat 8/2

4:30 pm-7:04 am

1 stop15h 34m

$220

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sun 7/20

5:05 am-9:09 pm

1 stop15h 04m

$113

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 8/12

5:01 am-2:45 pm

1 stop8h 44m

$114

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sat 7/12

9:08 am-8:29 pm

1 stop10h 21m

$136

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport trip
Airlines
Spirit Airlines

Spirit's Big Front Seats offer 11 inches more legroom, perfect for added comfort.


Spirit's Economy Plus Bundle includes both carry-on and check-in bags, saving costs.

Read more about Spirit Airlinesby Daniel Scheffler
United Airlines

United's Economy Plus offers extra legroom and priority boarding, ideal for medium-haul comfort.


United's Polaris Lounges offer premium amenities like showers and dining for eligible passengers.

Read more about United Airlinesby Harriet Baskas
Airports
ORD

For a quick departure, use the free shuttle train between terminals at ORD to avoid long walks.

Read more about ORDby Ramsey Qubein
SJU

Opt for rideshare at SJU for convenience; Uber is available outside arrivals and handles payments through the app.

Read more about SJUby Brandon Schultz
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

Best time to book a flight from O'Hare Intl to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from O'Hare Intl 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 O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Luis Munoz Marin Intl. Price data was last updated on June 27, 2025.

To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport, you should look to book at least 48 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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 ORD to SJU?

Find hourly flight availability from O'Hare Intl 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 July 3, 2025.

It’s optimal to fly from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport in the evening. By choosing this option you can save up to 32% on the cost of your flight, compared to a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Luis Munoz Marin Intl. Price data was last updated on June 29, 2025.

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

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

Explore weekly flight availability from O'Hare Intl 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 July 3, 2025.

The most flights from ORD to SJU are scheduled on a Thursday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?

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 July 3, 2025.
Get a feel of what it's like to fly with Spirit Airlines and Frontier from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Spirit Airlines
6.3
Okay
8,086 reviews

Comfort

5.9

Entertainment

5.0

Boarding

6.6

Food

5.1

Overall

6.3

Crew

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

MCO - CHA

After multiple gate changes and delay after delay, my flight scheduled for 2:34 pm finally took off at 7:30 pm. Gate agents did not communicate well with the people. You had to keep your phone in hand at all times for electronic updates. Crew on board seemed rushed and not so pleasant.
Spirit Airlines
6.3
Okay
8,086 reviews
Spirit Airlines
6.3
Okay
8,086 reviews

Comfort

5.9

Entertainment

5.0

Boarding

6.6

Food

5.1

Overall

6.3

Crew

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

MCO - CHA

After multiple gate changes and delay after delay, my flight scheduled for 2:34 pm finally took off at 7:30 pm. Gate agents did not communicate well with the people. You had to keep your phone in hand at all times for electronic updates. Crew on board seemed rushed and not so pleasant.
Frontier
5.9
Fair
3,286 reviews
Spirit Airlines
6.3
Okay
8,086 reviews

Comfort

5.9

Entertainment

5.0

Boarding

6.6

Food

5.1

Overall

6.3

Crew

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

MCO - CHA

After multiple gate changes and delay after delay, my flight scheduled for 2:34 pm finally took off at 7:30 pm. Gate agents did not communicate well with the people. You had to keep your phone in hand at all times for electronic updates. Crew on board seemed rushed and not so pleasant.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl 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.

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

    Currently priced at $217, Frontier will fly you from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Spirit Airlines for as low as $220. Users have found that Frontier is 41% cheaper than the other options available to this destination.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport on time: American Airlines (85%), Alaska Airlines (85%), Air Canada (83%).

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

    On average you can expect to pay $638 for a flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport. The cheapest flight overall is $119 while the most popular route, (Chicago O'Hare Intl - San Juan Luis Munoz Marin Intl) is currently priced at $216.

  • Where are the most common layover locations when flying from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    Most of the time, Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport flights that have layovers will stop in Orlando.

  • What are some popular things to do or see while on a layover in Orlando?

    Walt Disney World Resort, Universal Orlando Resort, and International Drive are currently the most popular points of interest in Orlando at the moment. Walt Disney World Resort, Universal Orlando Resort, and International Drive can be visited by traveling about 16.2 mi, 10.2 mi, and 9.9 mi respectively from Orlando. Travelers can rent a car at Orlando for an average daily rate of $24 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport flights?

    Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport flights have a layover in Charlotte least often.

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

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

  • How can I find direct flights from O'Hare Intl 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 O'Hare Intl to Luis Munoz Marin Intl.

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

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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 Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Dorado
Fajardo
Luquillo
Rio Grande
Humacao
Bayamón

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Alternative routes for O'Hare Intl to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.
Midway to Luis Munoz Marin Intl flights

Top 7 airlines flying from O'Hare Intl to Luis Munoz Marin Intl

Discover the top 7 airlines that operate flights from O'Hare Intl 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$106Average$248FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$139Average$294FlexibilityNo cancel feeOn-time65%
DeltaCheapest$212Average$394FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$267Average$525FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$287Average$418FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$338Average$512FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$385Average$486FlexibilityNo cancel feeOn-time63%

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