$116+ Cheap flights from Luis Munoz Marin Intl (SJU) to O'Hare Intl (ORD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — ORD
Oct 8 — Oct 151
Round-trip
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 January, booked 82 days in advance, depart on a Thursday or Friday and return on a Tuesday
Cheap flight deals from Luis Munoz Marin Intl to O'Hare Intl
Cheapest
Best
Last-minute
One-way
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 September 8, 2026.
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 September 8, 2026.
This Frontier deal was found by Cheapflights users on 9/3. 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 11/237:12 pm -
Nonstop5h 21m
Thu 11/2611:53 pm -
Nonstop4h 39m
Deal found 9/3![Frontier logo]()
$216
This United Airlines deal was found by Cheapflights users on 9/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/233:56 pm -
Nonstop5h 09m
Tue 10/278:52 am -
Nonstop4h 48m
Deal found 9/6![United Airlines logo]()
$217
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/234:55 pm -
1 stop7h 37m
Mon 10/268:52 am -
Nonstop4h 48m
Deal found 9/5![United Airlines logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Tue 11/247:12 pm -
Nonstop5h 21m
Thu 11/2611:53 pm -
Nonstop4h 39m
Deal found 9/3![Frontier logo]()
$223
This eDestinos deal was found by Cheapflights users on 9/4. 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.
Thu 10/17:00 am -
1 stop8h 45m
Mon 10/57:25 am -
1 stop15h 36m
Deal found 9/4![Frontier logo]()
$225
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/94:55 pm -
1 stop7h 37m
Tue 10/135:00 am -
1 stop7h 45m
Deal found 9/4![United Airlines logo]()
$226
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Wed 10/212:53 pm -
Nonstop5h 36m
Wed 10/288:55 pm -
1 stop13h 25m
Deal found 9/3![American Airlines logo]()
$227
This eDestinos deal was found by Cheapflights users on 9/6. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/68:45 am -
1 stop7h 35m
Tue 10/136:00 am -
1 stop9h 06m
Deal found 9/6![Frontier logo]()
$229
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Fri 10/912:41 pm -
1 stop12h 27m
Sun 10/116:29 am -
1 stop15h 28m
Deal found 9/3![American Airlines logo]()
$231
This United Airlines deal was found by Cheapflights users on 9/5. 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 9/253:56 pm -
Nonstop5h 09m
Tue 9/298:55 am -
Nonstop4h 49m
Deal found 9/5![United Airlines logo]()
$237
Best flights from Luis Munoz Marin Intl to O'Hare IntlDiscover carefully curated flight deals from Luis Munoz Marin Intl to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
Discover carefully curated flight deals from Luis Munoz Marin Intl to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
This United Airlines deal was found by Cheapflights users on 9/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:56 pm -
Nonstop5h 09m
Mon 10/198:55 am -
Nonstop4h 49m
Deal found 9/7![United Airlines logo]()
$250
This United Airlines deal was found by Cheapflights users on 9/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/233:56 pm -
Nonstop5h 09m
Fri 10/302:16 pm -
Nonstop4h 44m
Deal found 9/7![United Airlines logo]()
$250
This United Airlines deal was found by Cheapflights users on 9/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:25 am -
Nonstop5h 22m
Mon 11/162:16 pm -
Nonstop4h 44m
Deal found 9/7![United Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/231:00 am -
1 stop7h 42m
Fri 10/302:16 pm -
Nonstop4h 44m
Deal found 9/3![United Airlines logo]()
$312
This United Airlines deal was found by Cheapflights users on 9/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/313:55 pm -
Nonstop5h 31m
Sat 11/71:30 pm -
1 stop6h 52m
Deal found 9/6![United Airlines logo]()
$312
This United Airlines deal was found by Cheapflights users on 9/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:56 pm -
Nonstop5h 09m
Tue 9/298:55 am -
Nonstop4h 49m
Deal found 9/7![United Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Mon 11/165:50 pm -
1 stop8h 12m
Sun 11/221:30 pm -
1 stop6h 52m
Deal found 9/4![United Airlines logo]()
$331
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Thu 9/171:25 pm -
1 stop9h 50m
Sun 9/205:00 am -
1 stop7h 45m
Deal found 9/4![United Airlines logo]()
$356
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Sat 9/127:00 am -
1 stop8h 50m
Mon 9/145:30 am -
1 stop9h 12m
Deal found 9/5![United Airlines logo]()
$356
This United Airlines deal was found by Cheapflights users on 9/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:56 pm -
Nonstop5h 09m
Sun 9/276:25 am -
1 stop8h 17m
Deal found 9/7![United Airlines logo]()
$392
Last-minute flights from Luis Munoz Marin Intl to O'Hare IntlDiscover last-minute flight deals from Luis Munoz Marin Intl to O'Hare Intl. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Luis Munoz Marin Intl to O'Hare Intl. Data last updated September 8, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:56 pm -
Nonstop5h 09m
Sun 9/205:00 am -
1 stop7h 45m
Deal found 9/6![United Airlines logo]()
$262
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Wed 9/162:58 pm -
1 stop9h 32m
Sun 9/205:00 am -
1 stop7h 32m
Deal found 9/3![American Airlines logo]()
$272
This American Airlines deal was found by Cheapflights users on 9/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:41 pm -
1 stop9h 18m
Tue 9/225:00 am -
1 stop7h 32m
Deal found 9/7![American Airlines logo]()
$271
This American Airlines deal was found by Cheapflights users on 9/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:41 pm -
1 stop9h 18m
Mon 9/214:35 pm -
1 stop17h 25m
Deal found 9/7![American Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 9/173:41 pm -
1 stop9h 18m
Sun 9/209:01 pm -
2 stops17h 39m
Deal found 9/3![American Airlines logo]()
$338
This United Airlines deal was found by Cheapflights users on 9/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/174:55 pm -
1 stop7h 45m
Sun 9/205:00 am -
1 stop7h 45m
Deal found 9/7![United Airlines logo]()
$356
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Fri 9/183:35 pm -
1 stop9h 39m
Fri 9/257:00 pm -
1 stop13h 24m
Deal found 9/3![American Airlines logo]()
$246
This United Airlines deal was found by Cheapflights users on 9/5. 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 9/184:55 pm -
1 stop7h 45m
Mon 9/215:00 am -
1 stop7h 45m
Deal found 9/5![United Airlines logo]()
$266
One-way flights from Luis Munoz Marin Intl to O'Hare IntlSearch for one-way flight options from Luis Munoz Marin Intl to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
Search for one-way flight options from Luis Munoz Marin Intl to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Wed 10/712:41 pm -
1 stop11h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![American Airlines logo]()
$116
This Trip.com deal was found by Cheapflights users on 9/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/217:00 pm -
Nonstop5h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$118
This American Airlines deal was found by Cheapflights users on 9/4. 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.
Fri 10/162:53 pm -
Nonstop5h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![American Airlines logo]()
$119
This JetBlue deal was found by Cheapflights users on 9/4. 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.
Fri 10/22:32 pm -
1 stop9h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![JetBlue logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Tue 10/68:45 am -
1 stop7h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$124
This Expedia deal was found by Cheapflights users on 9/4. 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.
Wed 12/237:00 pm -
Nonstop5h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 9/3. 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.
Sun 11/17:00 am -
1 stop10h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$128
This United Airlines deal was found by Cheapflights users on 9/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:56 pm -
Nonstop5h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![United Airlines logo]()
$129
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Sat 10/33:56 pm -
Nonstop5h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![United Airlines logo]()
$130
This United Airlines deal was found by Cheapflights users on 9/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:00 am -
1 stop9h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$133
Find 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 September 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $216 (Frontier) |
One-way from | $116 (American Airlines) |
Popular in | June |
Cheapest in | February |
Average price | $284 |
Good round-trip deal | $322 or less |
Good one-way deal | $217 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 7,457,451 searches. Data last updated September 8, 2026.
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
Fly to
Route
Depart
Return
Cheapest round-trip
San JuanChicago
SJU San Juan Luis Munoz Marin Intl - ORD Chicago O'Hare Intl
SJUORD
San Juan Luis Munoz Marin Intl
Wed 9/23
1:00 am-9:00 am
1 stop9h 00m
Chicago O'Hare Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$133
San JuanChicago
SJU San Juan Luis Munoz Marin Intl - ORD Chicago O'Hare Intl
SJUORD
San Juan Luis Munoz Marin Intl
Fri 9/25
1:00 am-9:00 am
1 stop9h 00m
Chicago O'Hare Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$133
San JuanChicago
SJU San Juan Luis Munoz Marin Intl - ORD Chicago O'Hare Intl
SJUORD
San Juan Luis Munoz Marin Intl
Fri 9/18
1:00 am-7:41 am
1 stop7h 41m
Chicago O'Hare Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$133
Quickest round-trip
San JuanChicago
SJU San Juan Luis Munoz Marin Intl - ORD Chicago O'Hare Intl
SJUORD
San Juan Luis Munoz Marin Intl
Fri 10/2
3:56 pm-8:05 pm
Nonstop5h 09m
Chicago O'Hare Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$154
San JuanChicago
SJU San Juan Luis Munoz Marin Intl - ORD Chicago O'Hare Intl
SJUORD
San Juan Luis Munoz Marin Intl
Sun 11/1
4:55 pm-8:26 pm
Nonstop5h 31m
Chicago O'Hare Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$154
San JuanChicago
SJU San Juan Luis Munoz Marin Intl - ORD Chicago O'Hare Intl
SJUORD
San Juan Luis Munoz Marin Intl
Wed 10/7
3:56 pm-8:05 pm
Nonstop5h 09m
Chicago O'Hare Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$154
San JuanChicago
SJU San Juan Luis Munoz Marin Intl - ORD Chicago O'Hare Intl
SJUORD
San Juan Luis Munoz Marin Intl
Tue 11/3
8:25 am-11:47 am
Nonstop5h 22m
Chicago O'Hare Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$154
San JuanChicago
SJU San Juan Luis Munoz Marin Intl - ORD Chicago O'Hare Intl
SJUORD
San Juan Luis Munoz Marin Intl
Tue 11/10
4:55 pm-8:26 pm
Nonstop5h 31m
Chicago O'Hare Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$154
San JuanChicago
SJU San Juan Luis Munoz Marin Intl - ORD Chicago O'Hare Intl
SJUORD
San Juan Luis Munoz Marin Intl
Sat 9/26
1:00 am-9:00 am
1 stop9h 00m
Chicago O'Hare Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$158
San JuanChicago
SJU San Juan Luis Munoz Marin Intl - ORD Chicago O'Hare Intl
SJUORD
San Juan Luis Munoz Marin Intl
Sun 9/20
6:00 am-11:36 pm
2 stops18h 36m
Chicago O'Hare Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$175
Showing 1-10 of 21 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
SJU-ORD
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
Airlines
Delays
How far ahead should I book a flight from San Juan Luis Munoz Marin Intl Airport to Chicago O'Hare Intl Airport?
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 81 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, February 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 $223). Flying from San Juan Luis Munoz Marin Intl Airport to Chicago O'Hare Intl Airport in June is currently the most expensive (average of $439). 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 September 8, 2026.
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 17% on the flight price compared to flying in the morning, 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 September 5, 2026.
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. Wednesday at noon 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 184 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 Saturday 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 4% of flights being delayed.
The best insider tips for San Juan Luis Munoz Marin Intl Airport to Chicago O'Hare 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 San Juan Luis Munoz Marin Intl Airport to Chicago O'Hare Intl Airport trip
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 September 8, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican 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.
Food
7.2
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Food
7.2
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Food
7.2
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Food
7.2
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Food
7.2
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Food
7.2
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
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 locationsBenton Harbor
Rosemont
Lake Geneva
Naperville
Des Plaines
Glenview
Schaumburg
Oakbrook Terrace
Delavan
Oak Brook
Libertyville
Orland Park
Hoffman Estates
Aurora
Beloit
Rockford
South Holland
Elgin
Racine
Janesville
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.
Complete your trip
Flights by cabin class
O'Hare Intl flight routes
Other flight options
Other flights from Luis Munoz Marin Intl
Popular flights
Complete your trip
Complete your trip to O'Hare Intl by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Luis Munoz Marin Intl to O'Hare Intl by cabin class
Find flights from Luis Munoz Marin Intl to O'Hare Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to O'Hare Intl
Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 8, 2026.
Luis Munoz Marin Intl and O'Hare Intl flights
Browse other Luis Munoz Marin Intl and O'Hare Intl flight options. Last updated on September 8, 2026.
Other flights from Luis Munoz Marin Intl
Browse through other flights departing from Luis Munoz Marin Intl. Flights are based on user searches made on Cheapflights and were last updated on September 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$112 | Average$418 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$118 | Average$264 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$131 | Average$216 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$227 | Average$422 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$266 | Average$464 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$292 | Average$427 | FlexibilityNo cancel fee | On-time63% |