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.
$108+ 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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — ORD
Nov 27 — Dec 41
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 December, booked 67 days in advance, depart on a Friday or Thursday and return on a Tuesday
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 October 28, 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 October 28, 2025.
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Thu 12/410:42 amSJU - ORD
1 stop9h 54mMultiple Airlines
Sun 12/77:41 pmORD - SJU
1 stop11h 56mMultiple Airlines
Deal found 10/28![Multiple Airlines logo]()
$193
This Priceline deal was found by Cheapflights users on 10/27. 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 11/63:37 pmSJU - ORD
1 stop10h 50mSpirit Airlines
Mon 11/178:00 amORD - SJU
Nonstop4h 36mSpirit Airlines
Deal found 10/27![Spirit Airlines logo]()
$203
This Expedia deal was found by Cheapflights users on 10/27. 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.
Thu 11/133:37 pmSJU - ORD
1 stop10h 50mSpirit Airlines
Mon 11/178:00 amORD - SJU
Nonstop4h 36mSpirit Airlines
Deal found 10/27![Spirit Airlines logo]()
$211
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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.
Thu 12/48:45 pmSJU - ORD
Nonstop5h 14mSpirit Airlines
Mon 12/85:45 amORD - SJU
Nonstop4h 41mSpirit Airlines
Deal found 10/27![Spirit Airlines logo]()
$217
This Priceline deal was found by Cheapflights users on 10/26. 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 12/58:45 pmSJU - ORD
Nonstop5h 14mSpirit Airlines
Mon 12/85:45 amORD - SJU
Nonstop4h 41mSpirit Airlines
Deal found 10/26![Spirit Airlines logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Mon 12/227:15 amSJU - ORD
1 stop29h 40mMultiple Airlines
Tue 1/67:30 amORD - SJU
1 stop14h 19mMultiple Airlines
Deal found 10/27![Multiple Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Thu 12/410:42 amSJU - ORD
1 stop9h 54mMultiple Airlines
Mon 12/85:45 amORD - SJU
Nonstop4h 41mMultiple Airlines
Deal found 10/28![Multiple Airlines logo]()
$220
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/54:52 pmSJU - ORD
Nonstop5h 28mUnited Airlines
Tue 12/91:05 pmORD - SJU
1 stop7h 17mUnited Airlines
Deal found 10/28![United Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Wed 12/243:54 amSJU - ORD
1 stop15h 06mMultiple Airlines
Mon 1/56:05 pmORD - SJU
1 stop16h 54mMultiple Airlines
Deal found 10/27![Multiple Airlines logo]()
$224
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/43:32 pmSJU - ORD
1 stop10h 29mDelta
Mon 12/85:30 amORD - SJU
1 stop6h 44mDelta
Deal found 10/28![Delta logo]()
$227
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 October 28, 2025.
Most accurate provider | Gotogate 3 stars |
|---|---|
Most trusted provider | Gotogate 3 stars |
Round-trip from | $193 (Kiwi.com) |
One-way from | $108 (Cheapflightsfares) |
Popular in | June |
Cheapest in | February |
Average price | $352 |
Good round-trip deal | $351 or less |
Good one-way deal | $171 or less |
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 October 28, 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 2/6
2:15 pm-10:59 pm
1 stop10h 44m
Chicago O'Hare Intl
Mon 2/9
2:20 pm-9:00 pm
Nonstop4h 40m
$223
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Thu 1/29
2:05 am-9:40 am
1 stop9h 35m
Chicago O'Hare Intl
Mon 2/2
2:20 pm-9:00 pm
Nonstop4h 40m
$223
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Thu 12/4
7:19 am-5:46 pm
1 stop12h 27m
Chicago O'Hare Intl
Mon 12/8
5:30 am-2:14 pm
1 stop6h 44m
$227
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Fri 12/5
6:38 pm-12:01 am
1 stop7h 23m
Chicago O'Hare Intl
Mon 12/8
5:30 am-2:14 pm
1 stop6h 44m
$227
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Wed 1/21
5:50 pm-11:39 pm
1 stop7h 49m
Chicago O'Hare Intl
Sun 1/25
7:50 pm-6:11 am
1 stop8h 21m
$227
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Thu 2/26
2:05 am-9:36 am
1 stop9h 31m
Chicago O'Hare Intl
Mon 3/2
2:30 pm-12:36 am
1 stop8h 06m
$273
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Fri 2/13
4:52 pm-8:20 pm
Nonstop5h 28m
Chicago O'Hare Intl
Sun 2/15
2:20 pm-9:00 pm
Nonstop4h 40m
$283
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Wed 12/3
2:05 am-8:47 am
1 stop8h 42m
Chicago O'Hare Intl
Mon 12/8
2:20 pm-9:00 pm
Nonstop4h 40m
$313
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Fri 2/13
5:30 am-12:15 pm
2 stops8h 45m
Chicago O'Hare Intl
Sun 2/15
3:45 pm-12:40 am
1 stop6h 55m
$317
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Mon 4/6
1:59 am-12:50 pm
1 stop11h 51m
Chicago O'Hare Intl
Tue 4/14
1:45 pm-1:47 am
1 stop11h 02m
$339
Showing 1-10 of 19 results
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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 Gotogate to be most consistent on Cheapflights vs. Gotogate Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. Gotogate >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 Gotogate the most. Gotogate 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.
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
Prices
Delays
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 October 24, 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, December 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 $113). Flying from San Juan Luis Munoz Marin Intl Airport to Chicago O'Hare Intl Airport in June is currently the most expensive (average of $193). 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 October 28, 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 46% 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 October 26, 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 Sunday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from San Juan to Chicago delayed?
About 9% of weekly flights between San Juan and Chicago have experienced delays in the past year, with the average delay time being 169 minutes.
What is the most punctual flight time for San Juan to Chicago flights?
Historically, flights departing in the morning 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?
Thursday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Juan to Chicago flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 7% of flights being delayed.
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
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 October 28, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from San Juan Luis Munoz Marin Intl Airport to Chicago O'Hare Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.2
Entertainment
7.9
Crew
8.5
Comfort
7.9
Overall
7.9
Food
7.3
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Boarding
8.2
Entertainment
7.9
Crew
8.5
Comfort
7.9
Overall
7.9
Food
7.3
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Boarding
8.2
Entertainment
7.9
Crew
8.5
Comfort
7.9
Overall
7.9
Food
7.3
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Boarding
8.2
Entertainment
7.9
Crew
8.5
Comfort
7.9
Overall
7.9
Food
7.3
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Boarding
8.2
Entertainment
7.9
Crew
8.5
Comfort
7.9
Overall
7.9
Food
7.3
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Boarding
8.2
Entertainment
7.9
Crew
8.5
Comfort
7.9
Overall
7.9
Food
7.3
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
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 Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsSchaumburg
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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.
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 October 28, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$280 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$139 | Average$258 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$162 | Average$538 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$288 | Average$487 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$334 | Average$482 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$384 | Average$467 | FlexibilityNo cancel fee | On-time63% |