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O'Hare Intl

$121+ Cheap flights from Luis Munoz Marin Intl (SJU) to O'Hare Intl (ORD)

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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — ORD
Apr 30 — May 71
Wed 4/30
Wed 5/7
1 adult, Economy
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Find cheap flights from Luis Munoz Marin Intl to O'Hare Intl with Cheapflights

1. Tell us where you want to go

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2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl to Chicago O'Hare Intl are usually found in February or August, booked 23 days in advance, depart on a Friday or Thursday and return on a Tuesday

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

Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) to O'Hare Intl (ORD). 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 April 25, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$177
(Mytrip)

One-way from

$121
(Mytrip)

Popular in

March

Cheapest in

February

Average price

$347

Good round-trip deal

$336 or less

Good one-way deal

$186 or less
Provider with most accurate pricing for San Juan Luis Munoz Marin Intl-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for San Juan Luis Munoz Marin Intl-Chicago O'Hare Intl flights.
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From San Juan Luis Munoz Marin Intl to Chicago O'Hare Intl
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One-way flight from San Juan Luis Munoz Marin Intl to Chicago O'Hare Intl
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Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from San Juan Luis Munoz Marin Intl to Chicago O'Hare Intl.
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Price to beat on a one-way flight from San Juan Luis Munoz Marin Intl to Chicago O'Hare Intl.
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Find flight deals from Luis Munoz Marin Intl to O'Hare Intl

Cheapest flights from Luis Munoz Marin Intl to O'Hare Intl
Explore the most affordable flight options available from Luis Munoz Marin Intl to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

This Mytrip deal was found by Cheapflights users on 4/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/98:12 pmSJU - ORD
1 stop13h 38mSpirit Airlines
Sat 5/104:35 pmORD - SJU
1 stop7h 19mSpirit Airlines
Deal found 4/24$177
This CheapOair deal was found by Cheapflights users on 4/24. 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.
Fri 5/210:46 amSJU - ORD
1 stop13h 25mMultiple Airlines
Sat 5/104:35 pmORD - SJU
1 stop17h 10mMultiple Airlines
Deal found 4/24$238
This eDestinos deal was found by Cheapflights users on 4/24. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/73:56 amSJU - ORD
1 stop20h 36mFrontier
Sun 5/114:15 pmORD - SJU
1 stop20h 14mFrontier
Deal found 4/24$270
This American Airlines deal was found by Cheapflights users on 4/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2211:55 amSJU - ORD
2 stops10h 30mAmerican Airlines
Fri 9/264:48 pmORD - SJU
1 stop17h 27mAmerican Airlines
Deal found 4/24$353

Cheapflights Fare Finder

Customize your flight search to find flights from Luis Munoz Marin Intl to O'Hare 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 April 25, 2025.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Chicago O'Hare Intl Airport that are best for you.

Fly from

Luis Munoz Marin Intl

Fly to

O'Hare Intl

Route

Depart

Return

Price

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Fri 5/9

8:12 pm-8:50 am

1 stop13h 38m

Chicago O'Hare Intl

Sat 5/10

4:35 pm-12:54 am

1 stop7h 19m

$177

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Thu 5/8

4:39 pm-11:32 pm

1 stop7h 53m

Chicago O'Hare Intl

Tue 5/13

11:30 am-5:16 pm

Nonstop4h 46m

$253

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Wed 5/7

3:56 am-11:32 pm

1 stop20h 36m

Chicago O'Hare Intl

Sun 5/11

4:15 pm-1:29 pm

1 stop20h 14m

$270

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Mon 9/22

11:55 am-9:25 pm

2 stops10h 30m

Chicago O'Hare Intl

Fri 9/26

4:48 pm-11:15 am

1 stop17h 27m

$353

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Thu 5/8

6:09 am-10:25 am

Nonstop5h 16m

$121

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Thu 5/8

2:14 pm-11:32 pm

1 stop10h 18m

$135

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Wed 5/28

7:01 am-3:04 pm

1 stop9h 03m

$152

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Sat 6/21

1:02 pm-12:14 am

1 stop12h 12m

$153

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Wed 5/28

2:50 pm-7:10 pm

Nonstop5h 20m

$186

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Mon 7/28

1:05 am-8:39 am

1 stop8h 34m

$191

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 13 results
1
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Compare providers for flights from Luis Munoz Marin Intl to O'Hare 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 Luis Munoz Marin Intl to O'Hare Intl in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*2 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*2 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars

*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 San Juan Luis Munoz Marin Intl Airport-Chicago O'Hare Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from San Juan Luis Munoz Marin Intl Airport-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Chicago O'Hare Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant 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 San Juan Luis Munoz Marin Intl Airport-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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


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

Read more about Spirit Airlinesby Daniel Scheffler
United Airlines

Basic Economy allows a personal item only, no carry-on bags without extra fees.


United First includes two free checked bags and priority perks on the ground.

Read more about United Airlinesby Harriet Baskas
Airports
SJU

Security wait times at SJU can vary dramatically, so arrive two hours early for domestic flights to ensure a smooth departure.

Read more about SJUby Brandon Schultz
ORD

For a quick city transfer, take the 'L' train from ORD to downtown Chicago, avoiding potential traffic delays.

Read more about ORDby Ramsey Qubein
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 Luis Munoz Marin Intl to O'Hare Intl

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

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

Use this chart to determine the optimal time to book a round-trip flight from Luis Munoz Marin Intl to O'Hare Intl. Price data was last updated on April 18, 2025.

The price you pay for your flight from San Juan Luis Munoz Marin Intl Airport to Chicago O'Hare Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 23 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Chicago O'Hare Intl Airport (average of $245). Flying from San Juan Luis Munoz Marin Intl Airport to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 SJU to ORD?

Find hourly flight availability from Luis Munoz Marin Intl to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 25, 2025.

It’s typically best to fly out from San Juan Luis Munoz Marin Intl Airport to Chicago O'Hare Intl Airport in the evening. Doing so could potentially save you 50% on the flight price compared to flying at noon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Luis Munoz Marin Intl to O'Hare Intl. Price data was last updated on March 30, 2025.

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

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

Explore weekly flight availability from Luis Munoz Marin Intl to O'Hare 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 April 25, 2025.

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

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare 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 O'Hare Intl. Reviews last updated April 25, 2025.
Get a feel of what it's like to fly with Southwest, Delta and United Airlines from San Juan to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,289 reviews

Food

7.1

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,289 reviews
Southwest
8.0
Very good
4,289 reviews

Food

7.1

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,920 reviews
Southwest
8.0
Very good
4,289 reviews

Food

7.1

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,685 reviews
Southwest
8.0
Very good
4,289 reviews

Food

7.1

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
JetBlue
7.3
Good
2,922 reviews
Southwest
8.0
Very good
4,289 reviews

Food

7.1

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,289 reviews

Food

7.1

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Luis Munoz Marin Intl to O'Hare 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 San Juan Luis Munoz Marin Intl Airport to Chicago O'Hare Intl Airport round-trip?

    Our cheapest airline available from San Juan Luis Munoz Marin Intl Airport to Chicago O'Hare Intl Airport is Spirit Airlines. Our recent data shows that you can find tickets from as low as $177 on this airline. Additional options worth looking into are Frontier and American Airlines, starting at $270 and $353 round-trip. Spirit Airlines is currently priced 41% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $121. Frontier flights start at $135 while deals on JetBlue start at $152 one-way.

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

    Before booking your flight to Chicago O'Hare Intl Airport from San Juan Luis Munoz Marin Intl Airport, check out the most reliable airlines to get you to your destination on time: Spirit Airlines (81%), American Airlines (78%), Alaska Airlines( 76%).

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

    Looking at all options, your cheapest flight can be booked for $138. While the most popular route (San Juan Luis Munoz Marin Intl - Chicago O'Hare Intl) can be booked for $189 on average our data indicates $500 when flying from San Juan Luis Munoz Marin Intl Airport to Chicago O'Hare Intl Airport.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Chicago O'Hare Intl Airport (average of $245). Flying from San Juan Luis Munoz Marin Intl Airport to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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
Schaumburg
Hoffman Estates
Rosemont
Beloit
Racine
Skokie
Naperville
Tinley Park
Kenosha
Rockford
Arlington Heights
Elgin
Joliet
Orland Park
Merrillville
Northbrook
Des Plaines
Lake Geneva
Waukegan
Glenview

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

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

Top 6 airlines flying from Luis Munoz Marin Intl to O'Hare Intl

Discover the top 6 airlines that operate flights from Luis Munoz Marin Intl to O'Hare 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 April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$137Average$218FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$139Average$258FlexibilityNo cancel feeOn-time65%
DeltaCheapest$172Average$424FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$215Average$457FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$257Average$403FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$309Average$474FlexibilityNo cancel feeOn-time71%

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