$105+ Cheap flights from O'Hare Intl (ORD) to Luis Munoz Marin Intl (SJU)
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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SJU
Sep 4 — Sep 111
Round-trip
1 adult, Economy
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Find cheap flights from O'Hare Intl to Luis Munoz Marin 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 Chicago O'Hare Intl to San Juan Luis Munoz Marin Intl are usually found in September or August, booked 56 days in advance, depart on a Tuesday or Monday and return on a Thursday
Cheap flight deals from O'Hare Intl to Luis Munoz Marin Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from O'Hare Intl to Luis Munoz Marin IntlExplore the most affordable flight options available from O'Hare Intl to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 5, 2026.
Explore the most affordable flight options available from O'Hare Intl to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Thu 9/177:11 am -
1 stop29h 23m
Thu 9/247:00 am -
1 stop8h 45m
Deal found 8/3![Frontier logo]()
$222
This Super.com deal was found by Cheapflights users on 8/1. 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 8/2812:44 am -
Nonstop5h 00m
Sat 9/57:14 pm -
Nonstop5h 13m
Deal found 8/1![Frontier logo]()
$224
This Super.com deal was found by Cheapflights users on 7/31. 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 8/2112:44 am -
Nonstop5h 00m
Sat 8/297:14 pm -
Nonstop5h 13m
Deal found 7/31![Frontier logo]()
$225
This Super.com deal was found by Cheapflights users on 8/2. 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.
Mon 8/3112:44 am -
Nonstop5h 00m
Sun 9/67:14 pm -
Nonstop5h 13m
Deal found 8/2![Frontier logo]()
$226
This Super.com deal was found by Cheapflights users on 7/31. 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 8/2112:44 am -
Nonstop5h 00m
Thu 8/277:14 pm -
Nonstop5h 13m
Deal found 7/31![Frontier logo]()
$227
This Priceline deal was found by Cheapflights users on 7/31. 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.
Tue 8/2512:44 am -
Nonstop5h 00m
Sat 8/297:14 pm -
Nonstop5h 13m
Deal found 7/31![Frontier logo]()
$228
This Frontier deal was found by Cheapflights users on 7/31. 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 8/3112:44 am -
Nonstop5h 00m
Wed 9/27:14 pm -
Nonstop5h 13m
Deal found 7/31![Frontier logo]()
$229
This Frontier deal was found by Cheapflights users on 7/31. 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 8/2612:44 am -
Nonstop5h 00m
Sat 8/297:14 pm -
Nonstop5h 13m
Deal found 7/31![Frontier logo]()
$230
This Frontier deal was found by Cheapflights users on 7/31. 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 9/312:44 am -
Nonstop5h 00m
Sun 9/67:14 pm -
Nonstop5h 13m
Deal found 7/31![Frontier logo]()
$232
This Frontier deal was found by Cheapflights users on 8/3. 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 8/1712:44 am -
Nonstop5h 00m
Sat 8/227:14 pm -
Nonstop5h 13m
Deal found 8/3![Frontier logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/3012:44 am -
Nonstop5h 00m
Mon 9/217:00 am -
1 stop8h 45m
Deal found 7/31![Frontier logo]()
$234
Best flights from O'Hare Intl to Luis Munoz Marin IntlDiscover carefully curated flight deals from O'Hare Intl to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 5, 2026.
Discover carefully curated flight deals from O'Hare Intl to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 5, 2026.
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Tue 9/18:50 am -
1 stop10h 48m
Sat 9/121:00 am -
1 stop9h 13m
Deal found 8/3![United Airlines logo]()
$256
This American Airlines deal was found by Cheapflights users on 8/4. 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.
Thu 9/35:20 pm -
Nonstop4h 55m
Sat 9/512:55 am -
Nonstop5h 05m
Deal found 8/4![American Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 8/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:07 am -
1 stop12h 45m
Sun 9/67:00 am -
1 stop6h 40m
Deal found 8/4![Delta logo]()
$296
This JetBlue deal was found by Cheapflights users on 7/31. 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.
Tue 8/112:35 pm -
1 stop7h 45m
Tue 9/85:05 am -
1 stop9h 34m
Deal found 7/31![JetBlue logo]()
$300
This JetBlue deal was found by Cheapflights users on 7/31. 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 8/132:35 pm -
1 stop7h 45m
Fri 9/45:05 am -
1 stop9h 34m
Deal found 7/31![JetBlue logo]()
$300
This United Airlines deal was found by Cheapflights users on 8/4. 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 9/58:55 am -
Nonstop4h 49m
Sat 9/123:56 pm -
Nonstop5h 09m
Deal found 8/4![United Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 8/1. 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.
Wed 9/301:29 pm -
1 stop9h 20m
Mon 10/57:30 am -
1 stop10h 29m
Deal found 8/1![Delta logo]()
$371
This United Airlines deal was found by Cheapflights users on 8/4. 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.
Wed 9/910:40 am -
1 stop8h 58m
Wed 9/163:56 pm -
Nonstop5h 09m
Deal found 8/4![United Airlines logo]()
$342
This United Airlines deal was found by Cheapflights users on 8/3. 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 9/115:00 am -
1 stop7h 45m
Sat 9/191:00 am -
1 stop9h 12m
Deal found 8/3![United Airlines logo]()
$346
This Delta deal was found by Cheapflights users on 7/31. 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.
Sat 8/296:00 am -
1 stop9h 33m
Tue 9/221:16 pm -
1 stop9h 21m
Deal found 7/31![Delta logo]()
$391
This United Airlines deal was found by Cheapflights users on 7/31. 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 9/88:55 am -
Nonstop4h 49m
Sat 9/123:56 pm -
Nonstop5h 09m
Deal found 7/31![United Airlines logo]()
$387
Last-minute flights from O'Hare Intl to Luis Munoz Marin IntlDiscover last-minute flight deals from O'Hare Intl to Luis Munoz Marin Intl. Data last updated August 5, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Luis Munoz Marin Intl. Data last updated August 5, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 8/3. 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 8/1712:44 am -
Nonstop5h 00m
Sat 8/227:14 pm -
Nonstop5h 13m
Deal found 8/3![Frontier logo]()
$233
This Super.com deal was found by Cheapflights users on 7/31. 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 8/2112:44 am -
Nonstop5h 00m
Sat 8/297:14 pm -
Nonstop5h 13m
Deal found 7/31![Frontier logo]()
$225
This Super.com deal was found by Cheapflights users on 7/31. 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 8/2112:44 am -
Nonstop5h 00m
Thu 8/277:14 pm -
Nonstop5h 13m
Deal found 7/31![Frontier logo]()
$227
This Priceline deal was found by Cheapflights users on 7/31. 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.
Tue 8/2512:44 am -
Nonstop5h 00m
Sat 8/297:14 pm -
Nonstop5h 13m
Deal found 7/31![Frontier logo]()
$228
This Frontier deal was found by Cheapflights users on 7/31. 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 8/2612:44 am -
Nonstop5h 00m
Sat 8/297:14 pm -
Nonstop5h 13m
Deal found 7/31![Frontier logo]()
$230
This Super.com deal was found by Cheapflights users on 8/1. 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 8/2812:44 am -
Nonstop5h 00m
Sat 9/57:14 pm -
Nonstop5h 13m
Deal found 8/1![Frontier logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/3012:44 am -
Nonstop5h 00m
Mon 9/217:00 am -
1 stop8h 45m
Deal found 7/31![Frontier logo]()
$234
This Super.com deal was found by Cheapflights users on 8/2. 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.
Mon 8/3112:44 am -
Nonstop5h 00m
Sun 9/67:14 pm -
Nonstop5h 13m
Deal found 8/2![Frontier logo]()
$226
This Frontier deal was found by Cheapflights users on 7/31. 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 8/3112:44 am -
Nonstop5h 00m
Wed 9/27:14 pm -
Nonstop5h 13m
Deal found 7/31![Frontier logo]()
$229
This Frontier deal was found by Cheapflights users on 7/31. 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 9/312:44 am -
Nonstop5h 00m
Sun 9/67:14 pm -
Nonstop5h 13m
Deal found 7/31![Frontier logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Thu 9/177:11 am -
1 stop29h 23m
Thu 9/247:00 am -
1 stop8h 45m
Deal found 8/3![Frontier logo]()
$222
One-way flights from O'Hare Intl to Luis Munoz Marin IntlSearch for one-way flight options from O'Hare Intl to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated August 5, 2026.
Search for one-way flight options from O'Hare Intl to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated August 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Sat 9/267:11 am -
1 stop8h 52m
Deal found 8/3![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Sat 9/127:11 am -
1 stop29h 23m
Deal found 8/3![Frontier logo]()
$109
This eDestinos deal was found by Cheapflights users on 8/2. 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.
Sat 8/2912:44 am -
Nonstop5h 00m
Deal found 8/2![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/307:11 am -
1 stop29h 23m
Deal found 8/2![Frontier logo]()
$111
This eDestinos deal was found by Cheapflights users on 8/3. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/912:44 am -
Nonstop5h 00m
Deal found 8/3![Frontier logo]()
$112
This Super.com deal was found by Cheapflights users on 7/31. 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 8/2812:44 am -
Nonstop5h 00m
Deal found 7/31![Frontier logo]()
$113
This Frontier deal was found by Cheapflights users on 7/31. 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.
Tue 9/112:44 am -
Nonstop5h 00m
Deal found 7/31![Frontier logo]()
$114
This Frontier deal was found by Cheapflights users on 8/1. 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 8/2012:44 am -
Nonstop5h 00m
Deal found 8/1![Frontier logo]()
$116
This eDestinos deal was found by Cheapflights users on 8/3. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:44 am -
Nonstop5h 00m
Deal found 8/3![Frontier logo]()
$117
This Super.com deal was found by Cheapflights users on 8/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:44 am -
Nonstop5h 00m
Deal found 8/3![Frontier logo]()
$118
Find flight deals from O'Hare Intl to Luis Munoz Marin Intl
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Luis Munoz Marin Intl (SJU). 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 August 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $222 (Kiwi.com) |
One-way from | $105 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $344 |
Good round-trip deal | $315 or less |
Good one-way deal | $130 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl to Luis Munoz Marin 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 August 5, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoSan Juan
ORD - SJU
ORDSJU
Chicago O'Hare Intl
Tue 9/1
8:50 am-8:38 pm
1 stop10h 48m
San Juan Luis Munoz Marin Intl
Sat 9/12
1:00 am-9:13 am
1 stop9h 13m
$256
ChicagoSan Juan
ORD - SJU
ORDSJU
Chicago O'Hare Intl
Thu 9/3
5:20 pm-11:15 pm
Nonstop4h 55m
San Juan Luis Munoz Marin Intl
Sat 9/5
12:55 am-5:00 am
Nonstop5h 05m
$287
ChicagoSan Juan
ORD - SJU
ORDSJU
Chicago O'Hare Intl
Tue 9/1
10:07 am-11:52 pm
1 stop12h 45m
San Juan Luis Munoz Marin Intl
Sun 9/6
7:00 am-12:40 pm
1 stop6h 40m
$296
ChicagoSan Juan
ORD - SJU
ORDSJU
Chicago O'Hare Intl
Tue 8/11
2:35 pm-11:20 pm
1 stop7h 45m
San Juan Luis Munoz Marin Intl
Tue 9/8
5:05 am-1:39 pm
1 stop9h 34m
$300
ChicagoSan Juan
ORD - SJU
ORDSJU
Chicago O'Hare Intl
Thu 8/13
2:35 pm-11:20 pm
1 stop7h 45m
San Juan Luis Munoz Marin Intl
Fri 9/4
5:05 am-1:39 pm
1 stop9h 34m
$300
Quickest round-trip
ChicagoSan Juan
ORD - SJU
ORDSJU
Chicago O'Hare Intl
Sat 9/5
8:55 am-2:44 pm
Nonstop4h 49m
San Juan Luis Munoz Marin Intl
Sat 9/12
3:56 pm-8:05 pm
Nonstop5h 09m
$342
ChicagoSan Juan
ORD - SJU
ORDSJU
Chicago O'Hare Intl
Wed 9/9
10:40 am-8:38 pm
1 stop8h 58m
San Juan Luis Munoz Marin Intl
Wed 9/16
3:56 pm-8:05 pm
Nonstop5h 09m
$342
ChicagoSan Juan
ORD - SJU
ORDSJU
Chicago O'Hare Intl
Fri 9/11
5:00 am-1:45 pm
1 stop7h 45m
San Juan Luis Munoz Marin Intl
Sat 9/19
1:00 am-9:12 am
1 stop9h 12m
$346
ChicagoSan Juan
ORD - SJU
ORDSJU
Chicago O'Hare Intl
Wed 9/30
1:29 pm-11:49 pm
1 stop9h 20m
San Juan Luis Munoz Marin Intl
Mon 10/5
7:30 am-4:59 pm
1 stop10h 29m
$371
ChicagoSan Juan
ORD - SJU
ORDSJU
Chicago O'Hare Intl
Tue 9/8
8:55 am-2:44 pm
Nonstop4h 49m
San Juan Luis Munoz Marin Intl
Sat 9/12
3:56 pm-8:05 pm
Nonstop5h 09m
$387
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from O'Hare Intl to Luis Munoz Marin 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 O'Hare Intl to Luis Munoz Marin Intl in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 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 Accuracy- | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-San Juan Luis Munoz Marin 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 Chicago O'Hare Intl Airport-San Juan Luis Munoz Marin 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 O'Hare Intl to Luis Munoz Marin Intl
Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from O'Hare Intl with our price prediction graph.
ORD-SJU
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 Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport
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How far ahead should I book a flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?
To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport, you should look to book at least 55 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?
Currently, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport (average of $341). Flying from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $528). 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 ORD to SJU?
Find hourly flight availability from O'Hare Intl to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 5, 2026.
It’s optimal to fly from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport in the evening. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight in the morning.
What is the cheapest day to fly from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Luis Munoz Marin Intl. Price data was last updated on August 1, 2026.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Sunday evenings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Chicago to San Juan delayed?
About 23% of weekly flights between Chicago and San Juan have experienced delays in the past year, with the average delay time being 139 minutes.
What is the most punctual flight time for Chicago to San Juan 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?
Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Chicago to San Juan flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 18% of flights being delayed.
What’s the top layover airport for flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?
Share of 1-stop round-trip flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Tampa (TPA) – chosen by Cheapflights users on 25% of 1-stop itineraries from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport on Cheapflights.
What’s the cheapest layover airport for flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?
Average round-trip fare for 1-stop flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Fort Lauderdale (FLL) is the most affordable 1-stop option, with an average round-trip price of $561.
What’s the fastest layover option from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?
Shortest average travel time for 1-stop one-way flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Philadelphia (PHL) have the shortest average one-way travel time for 1-stop routes: 6h 49m.
Which airport typically offers the quickest layover for flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?
Average layover duration for 1-stop one-way flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Fort Lauderdale (FLL) offer the fastest connection on this route, with an average layover time of 0h 55m.
The best insider tips for Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin 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 Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport trip
Our travel experts
Reviews of airlines servicing Luis Munoz Marin Intl
Get insights into the airlines that provide service to Luis Munoz Marin 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 Luis Munoz Marin Intl. Reviews last updated August 5, 2026.
Get a feel of what it's like to fly with Southwest,United Airlines, andAmerican Airlines from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl to Luis Munoz Marin 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 locationsFajardo
Luquillo
Dorado
Rio Grande
Humacao
Bayamón
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Top 6 airlines flying from O'Hare Intl to Luis Munoz Marin Intl
Discover the top 6 airlines that operate flights from O'Hare Intl to Luis Munoz Marin 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 August 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$366 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$119 | Average$234 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$149 | Average$342 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$262 | Average$510 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$302 | Average$494 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$376 | Average$486 | FlexibilityNo cancel fee | On-time63% |