$138+ 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — ORD
Aug 23 — Aug 301
Round-trip
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
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 Monday
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 July 24, 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 July 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/277:14 pm
SJU
- ORD
Nonstop5h 13m
Frontier
Sat 8/2912:44 am
ORD
- SJU
Nonstop5h 00m
Frontier
Deal found 7/22![Frontier logo]()
$184
This Frontier deal was found by Cheapflights users on 7/22. 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.
Thu 8/277:14 pm
SJU
- ORD
Nonstop5h 13m
Frontier
Sun 8/3012:44 am
ORD
- SJU
Nonstop5h 00m
Frontier
Deal found 7/22![Frontier logo]()
$185
This Frontier deal was found by Cheapflights users on 7/19. 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.
Thu 8/277:14 pm
SJU
- ORD
Nonstop5h 13m
Frontier
Fri 8/2812:44 am
ORD
- SJU
Nonstop5h 00m
Frontier
Deal found 7/19![Frontier logo]()
$188
This Trip.com deal was found by Cheapflights users on 7/21. 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.
Fri 9/47:14 pm
SJU
- ORD
Nonstop5h 13m
Frontier
Sun 9/612:44 am
ORD
- SJU
Nonstop5h 00m
Frontier
Deal found 7/21![Frontier logo]()
$196
This Super.com deal was found by Cheapflights users on 7/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:14 pm
SJU
- ORD
Nonstop5h 13m
Frontier
Sun 8/3012:44 am
ORD
- SJU
Nonstop5h 00m
Frontier
Deal found 7/21![Frontier logo]()
$197
This Frontier deal was found by Cheapflights users on 7/22. 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.
Wed 8/267:14 pm
SJU
- ORD
Nonstop5h 13m
Frontier
Fri 8/2812:44 am
ORD
- SJU
Nonstop5h 00m
Frontier
Deal found 7/22![Frontier logo]()
$198
This Booking.com deal was found by Cheapflights users on 7/22. 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.
Wed 8/267:14 pm
SJU
- ORD
Nonstop5h 13m
Frontier
Sun 8/3012:44 am
ORD
- SJU
Nonstop5h 00m
Frontier
Deal found 7/22![Frontier logo]()
$199
This Booking.com deal was found by Cheapflights users on 7/23. 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.
Tue 8/257:14 pm
SJU
- ORD
Nonstop5h 13m
Frontier
Tue 9/112:44 am
ORD
- SJU
Nonstop5h 00m
Frontier
Deal found 7/23![Frontier logo]()
$204
This Orbitz deal was found by Cheapflights users on 7/23. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:14 pm
SJU
- ORD
Nonstop5h 13m
Frontier
Mon 8/3112:44 am
ORD
- SJU
Nonstop5h 00m
Frontier
Deal found 7/23![Frontier logo]()
$208
This Travelocity deal was found by Cheapflights users on 7/21. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:14 pm
SJU
- ORD
Nonstop5h 13m
Frontier
Sun 8/3012:44 am
ORD
- SJU
Nonstop5h 00m
Frontier
Deal found 7/21![Frontier logo]()
$211
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 July 24, 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 July 24, 2026.
This United Airlines deal was found by Cheapflights users on 7/19. 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 9/183:56 pm
SJU
- ORD
Nonstop5h 09m
United Airlines
Fri 9/258:55 am
ORD
- SJU
Nonstop4h 49m
United Airlines
Deal found 7/19![United Airlines logo]()
$269
This JetBlue deal was found by Cheapflights users on 7/23. 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.
Thu 9/37:00 am
SJU
- ORD
1 stop7h 39m
JetBlue
Sun 9/67:00 am
ORD
- SJU
1 stop6h 38m
JetBlue
Deal found 7/23![JetBlue logo]()
$410
This United Airlines deal was found by Cheapflights users on 7/22. 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
SJU
- ORD
Nonstop5h 09m
United Airlines
Mon 9/288:55 am
ORD
- SJU
Nonstop4h 49m
United Airlines
Deal found 7/22![United Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 7/19. 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 9/44:55 pm
SJU
- ORD
1 stop7h 45m
United Airlines
Sun 9/135:30 am
ORD
- SJU
1 stop9h 12m
United Airlines
Deal found 7/19![United Airlines logo]()
$346
This United Airlines deal was found by Cheapflights users on 7/20. 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 9/182:55 pm
SJU
- ORD
1 stop10h 33m
United Airlines
Tue 9/228:55 am
ORD
- SJU
Nonstop4h 49m
United Airlines
Deal found 7/20![United Airlines logo]()
$372
This United Airlines deal was found by Cheapflights users on 7/20. 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 9/173:56 pm
SJU
- ORD
Nonstop5h 09m
United Airlines
Mon 9/216:30 am
ORD
- SJU
1 stop8h 12m
United Airlines
Deal found 7/20![United Airlines logo]()
$372
This United Airlines deal was found by Cheapflights users on 7/19. 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 9/194:55 pm
SJU
- ORD
1 stop7h 45m
United Airlines
Fri 9/258:55 am
ORD
- SJU
Nonstop4h 49m
United Airlines
Deal found 7/19![United Airlines logo]()
$462
This United Airlines deal was found by Cheapflights users on 7/23. 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 9/252:55 pm
SJU
- ORD
1 stop9h 31m
United Airlines
Sat 10/38:55 am
ORD
- SJU
Nonstop4h 49m
United Airlines
Deal found 7/23![United Airlines logo]()
$462
This United Airlines deal was found by Cheapflights users on 7/23. 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 9/173:56 pm
SJU
- ORD
Nonstop5h 09m
United Airlines
Wed 9/238:55 am
ORD
- SJU
Nonstop4h 49m
United Airlines
Deal found 7/23![United Airlines logo]()
$482
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 July 24, 2026 and is based on user searches.
Discover last-minute flight deals from Luis Munoz Marin Intl to O'Hare Intl. Data last updated July 24, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 7/23. 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.
Tue 8/257:14 pm
SJU
- ORD
Nonstop5h 13m
Frontier
Tue 9/112:44 am
ORD
- SJU
Nonstop5h 00m
Frontier
Deal found 7/23![Frontier logo]()
$204
This Frontier deal was found by Cheapflights users on 7/22. 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.
Wed 8/267:14 pm
SJU
- ORD
Nonstop5h 13m
Frontier
Fri 8/2812:44 am
ORD
- SJU
Nonstop5h 00m
Frontier
Deal found 7/22![Frontier logo]()
$198
This Booking.com deal was found by Cheapflights users on 7/22. 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.
Wed 8/267:14 pm
SJU
- ORD
Nonstop5h 13m
Frontier
Sun 8/3012:44 am
ORD
- SJU
Nonstop5h 00m
Frontier
Deal found 7/22![Frontier logo]()
$199
This Orbitz deal was found by Cheapflights users on 7/23. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:14 pm
SJU
- ORD
Nonstop5h 13m
Frontier
Mon 8/3112:44 am
ORD
- SJU
Nonstop5h 00m
Frontier
Deal found 7/23![Frontier logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/277:14 pm
SJU
- ORD
Nonstop5h 13m
Frontier
Sat 8/2912:44 am
ORD
- SJU
Nonstop5h 00m
Frontier
Deal found 7/22![Frontier logo]()
$184
This Frontier deal was found by Cheapflights users on 7/22. 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.
Thu 8/277:14 pm
SJU
- ORD
Nonstop5h 13m
Frontier
Sun 8/3012:44 am
ORD
- SJU
Nonstop5h 00m
Frontier
Deal found 7/22![Frontier logo]()
$185
This Frontier deal was found by Cheapflights users on 7/19. 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.
Thu 8/277:14 pm
SJU
- ORD
Nonstop5h 13m
Frontier
Fri 8/2812:44 am
ORD
- SJU
Nonstop5h 00m
Frontier
Deal found 7/19![Frontier logo]()
$188
This Super.com deal was found by Cheapflights users on 7/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:14 pm
SJU
- ORD
Nonstop5h 13m
Frontier
Sun 8/3012:44 am
ORD
- SJU
Nonstop5h 00m
Frontier
Deal found 7/21![Frontier logo]()
$197
This Travelocity deal was found by Cheapflights users on 7/21. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:14 pm
SJU
- ORD
Nonstop5h 13m
Frontier
Sun 8/3012:44 am
ORD
- SJU
Nonstop5h 00m
Frontier
Deal found 7/21![Frontier logo]()
$211
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 July 24, 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 July 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 10/225:12 pm
SJU
- ORD
1 stop23h 14m
Frontier
Deal found 7/23![Frontier logo]()
$138
This Super.com deal was found by Cheapflights users on 7/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/317:14 pm
SJU
- ORD
Nonstop5h 13m
Frontier
Deal found 7/21![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:00 am
SJU
- ORD
1 stop8h 45m
Frontier
Deal found 7/24![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/196:35 am
SJU
- ORD
1 stop31h 15m
Frontier
Deal found 7/20![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 8/126:00 am
SJU
- ORD
1 stop31h 15m
Frontier
Deal found 7/19![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Sun 8/236:35 am
SJU
- ORD
1 stop31h 15m
Frontier
Deal found 7/20![Frontier logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 8/246:35 am
SJU
- ORD
1 stop31h 15m
Frontier
Deal found 7/19![Frontier logo]()
$150
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/191:00 am
SJU
- ORD
1 stop9h 13m
United Airlines
Deal found 7/21![United Airlines logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 9/161:59 am
SJU
- ORD
1 stop11h 42m
Frontier
Deal found 7/23![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 10/216:00 am
SJU
- ORD
2 stops27h 15m
Frontier
Deal found 7/19![Frontier logo]()
$153
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 July 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $184 (Kiwi.com) |
One-way from | $138 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $372 |
Good round-trip deal | $326 or less |
Good one-way deal | $173 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 July 24, 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
Quickest round-trip
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Fri 9/18
3:56 pm-8:05 pm
Nonstop5h 09m
Chicago O'Hare Intl
Fri 9/25
8:55 am-2:44 pm
Nonstop4h 49m
$269
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Fri 9/25
3:56 pm-8:05 pm
Nonstop5h 09m
Chicago O'Hare Intl
Mon 9/28
8:55 am-2:44 pm
Nonstop4h 49m
$337
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Fri 9/4
4:55 pm-11:40 pm
1 stop7h 45m
Chicago O'Hare Intl
Sun 9/13
5:30 am-3:42 pm
1 stop9h 12m
$346
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Fri 9/18
2:55 pm-12:28 am
1 stop10h 33m
Chicago O'Hare Intl
Tue 9/22
8:55 am-2:44 pm
Nonstop4h 49m
$372
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Thu 9/17
3:56 pm-8:05 pm
Nonstop5h 09m
Chicago O'Hare Intl
Mon 9/21
6:30 am-3:42 pm
1 stop8h 12m
$372
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Thu 9/3
7:00 am-1:39 pm
1 stop7h 39m
Chicago O'Hare Intl
Sun 9/6
7:00 am-2:38 pm
1 stop6h 38m
$410
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Sat 9/19
4:55 pm-11:40 pm
1 stop7h 45m
Chicago O'Hare Intl
Fri 9/25
8:55 am-2:44 pm
Nonstop4h 49m
$462
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Fri 9/25
2:55 pm-11:26 pm
1 stop9h 31m
Chicago O'Hare Intl
Sat 10/3
8:55 am-2:44 pm
Nonstop4h 49m
$462
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Thu 9/17
3:56 pm-8:05 pm
Nonstop5h 09m
Chicago O'Hare Intl
Wed 9/23
8:55 am-2:44 pm
Nonstop4h 49m
$482
Cheapest one-way
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Fri 9/18
5:59 pm-11:59 pm
1 stop7h 00m
$158
Showing 1-10 of 20 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 July.
| 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 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 $232). 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 July 24, 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 July 18, 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. Saturday 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 8% of weekly flights between San Juan and Chicago have experienced delays in the past year, with the average delay time being 185 minutes.
What is the most punctual flight time for San Juan to Chicago flights?
Historically, flights departing at night 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 Tuesday 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 July 24, 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.
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
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
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Gurnee
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Luis Munoz Marin Intl and O'Hare Intl flights
Browse other Luis Munoz Marin Intl and O'Hare Intl flight options. Last updated on July 24, 2026.
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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 July 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$112 | Average$395 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$128 | Average$290 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$131 | Average$204 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$227 | Average$430 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$267 | Average$480 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$292 | Average$457 | FlexibilityNo cancel fee | On-time63% |