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.
$117+ 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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — ORD
jun. 17 — jun. 241
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Luis Munoz Marin Intl to O'Hare Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 67 days in advance, depart on a Friday or Thursday and return on a Monday
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 junio 12, 2025.
Round-trip from | $191 (Booking.com) |
|---|---|
One-way from | $117 (SmartFares) |
Popular in | June |
Cheapest in | February |
Average price | $409 |
Good round-trip deal | $255 or less |
Good one-way deal | $189 or less |
Find flight deals from Luis Munoz Marin Intl to O'Hare Intl
Cheapest flights from Luis Munoz Marin Intl to O'Hare IntlExplore 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 junio 12, 2025.
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 junio 12, 2025.
This Booking.com deal was found by Cheapflights users on 6/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/153:50 pmSJU - ORD
1 stop8h 23mSpirit Airlines
mar. 7/225:05 amORD - SJU
1 stop9h 25mSpirit Airlines
Deal found 6/11![Spirit Airlines logo]()
$191
This Priceline deal was found by Cheapflights users on 6/12. 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.
vie. 9/53:40 amSJU - ORD
1 stop12h 13mFrontier
jue. 9/116:20 amORD - SJU
1 stop16h 38mFrontier
Deal found 6/12![Frontier logo]()
$194
This Priceline deal was found by Cheapflights users on 6/12. 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.
jue. 6/268:24 pmSJU - ORD
1 stop13h 26mMultiple Airlines
jue. 8/286:35 amORD - SJU
1 stop16h 19mMultiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$214
This JetBlue deal was found by Cheapflights users on 6/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/126:01 amSJU - ORD
1 stop11h 07mJetBlue
mié. 11/194:05 pmORD - SJU
1 stop8h 40mJetBlue
Deal found 6/10![JetBlue logo]()
$307
This American Airlines deal was found by Cheapflights users on 6/12. 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.
vie. 10/103:05 pmSJU - ORD
Nonstop5h 20mAmerican Airlines
mar. 10/144:59 pmORD - SJU
1 stop16h 51mAmerican Airlines
Deal found 6/12![American Airlines logo]()
$362
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 junio 12, 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
mar. 7/15
3:50 pm-11:13 pm
1 stop8h 23m
Chicago O'Hare Intl
mar. 7/22
5:05 am-3:30 pm
1 stop9h 25m
$191
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
vie. 9/5
3:40 am-2:53 pm
1 stop12h 13m
Chicago O'Hare Intl
jue. 9/11
6:20 am-11:58 pm
1 stop16h 38m
$194
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
jue. 6/26
8:24 pm-8:50 am
1 stop13h 26m
Chicago O'Hare Intl
jue. 8/28
6:35 am-11:54 pm
1 stop16h 19m
$214
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
mié. 11/12
6:01 am-3:08 pm
1 stop11h 07m
Chicago O'Hare Intl
mié. 11/19
4:05 pm-2:45 am
1 stop8h 40m
$307
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
vie. 10/10
3:05 pm-7:25 pm
Nonstop5h 20m
Chicago O'Hare Intl
mar. 10/14
4:59 pm-10:50 am
1 stop16h 51m
$362
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
jue. 7/17
10:14 pm-8:55 am
1 stop11h 41m
$117
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
mar. 6/24
3:40 am-7:09 am
1 stop28h 29m
$119
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
lun. 9/29
3:03 am-12:10 pm
1 stop10h 07m
$149
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
mié. 10/1
3:56 pm-8:03 pm
Nonstop5h 07m
$161
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
mié. 7/23
7:30 am-5:55 pm
1 stop11h 25m
$164
Showing 1-10 of 13 results
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 Airlines
![United Airlines]()
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.
Airports
Our travel experts
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 June 9, 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 67 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 junio 12, 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 June 8, 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. Monday 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 junio 12, 2025.
The most flights from SJU to ORD are scheduled on a Monday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 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 junio 12, 2025.
Get a feel of what it's like to fly with Southwest, United Airlines and American 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.
Food
7.1
Entertainment
7.6
Overall
8.0
Boarding
8.2
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Food
7.1
Entertainment
7.6
Overall
8.0
Boarding
8.2
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Food
7.1
Entertainment
7.6
Overall
8.0
Boarding
8.2
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Food
7.1
Entertainment
7.6
Overall
8.0
Boarding
8.2
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Food
7.1
Entertainment
7.6
Overall
8.0
Boarding
8.2
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Food
7.1
Entertainment
7.6
Overall
8.0
Boarding
8.2
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
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.
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 locationsSchaumburg
Hoffman Estates
Rosemont
Beloit
Elgin
Racine
Skokie
Arlington Heights
Rockford
Naperville
Orland Park
Elk Grove Village
Tinley Park
Northbrook
Joliet
Merrillville
Bridgeview
Glenview
Des Plaines
Lake Geneva
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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.
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 junio 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$135 | Average$264 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$137 | Average$258 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$172 | Average$424 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$217 | Average$460 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$257 | Average$431 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$329 | Average$481 | FlexibilityNo cancel fee | On-time71% |