$112+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — ORD
Apr 12 — Apr 191
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 74 days in advance, depart on a Friday or Thursday and return on a Monday
Cheap flight deals from Luis Munoz Marin Intl to O'Hare Intl
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Best
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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 March 13, 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 March 13, 2026.
This eDestinos deal was found by Cheapflights users on 3/8. 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 5/84:11 pm
SJU
- ORD
1 stop8h 05m
Frontier
Mon 5/117:15 pm
ORD
- SJU
1 stop21h 15m
Frontier
Deal found 3/8![Frontier logo]()
$183
This Cheapflightsfares deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/293:21 am
SJU
- ORD
1 stop10h 44m
Spirit Airlines
Mon 5/47:50 am
ORD
- SJU
1 stop17h 16m
Spirit Airlines
Deal found 3/8![Spirit Airlines logo]()
$193
This Expedia deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/911:01 am
SJU
- ORD
1 stop13h 35m
Multiple Airlines
Mon 4/1310:55 am
ORD
- SJU
1 stop12h 03m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$200
This eDestinos deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:00 am
SJU
- ORD
1 stop9h 42m
Frontier
Mon 4/1311:59 am
ORD
- SJU
1 stop10h 54m
Frontier
Deal found 3/11![Frontier logo]()
$201
This Frontier deal was found by Cheapflights users on 3/9. 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.
Fri 5/13:23 pm
SJU
- ORD
1 stop8h 16m
Frontier
Mon 5/42:10 pm
ORD
- SJU
1 stop8h 33m
Frontier
Deal found 3/9![Frontier logo]()
$202
This Cheapflightsfares deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/71:29 am
SJU
- ORD
Nonstop5h 16m
Spirit Airlines
Sun 4/126:10 pm
ORD
- SJU
1 stop16h 39m
Spirit Airlines
Deal found 3/9![Spirit Airlines logo]()
$206
This Orbitz deal was found by Cheapflights users on 3/8. 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.
Thu 8/278:10 pm
SJU
- ORD
Nonstop5h 15m
Frontier
Wed 9/27:20 pm
ORD
- SJU
1 stop9h 33m
Frontier
Deal found 3/8![Frontier logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Fri 4/176:00 am
SJU
- ORD
1 stop17h 54m
Frontier
Sun 4/193:08 pm
ORD
- SJU
1 stop22h 19m
Frontier
Deal found 3/9![Frontier logo]()
$209
This Cheapflightsfares deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/81:29 am
SJU
- ORD
Nonstop5h 16m
Spirit Airlines
Mon 4/1310:55 am
ORD
- SJU
1 stop12h 03m
Spirit Airlines
Deal found 3/8![Spirit Airlines logo]()
$213
This CheapOair deal was found by Cheapflights users on 3/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/243:23 pm
SJU
- ORD
1 stop8h 16m
Multiple Airlines
Sun 4/267:50 am
ORD
- SJU
1 stop16h 08m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$215
This Travelocity deal was found by Cheapflights users on 3/9. 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.
Tue 4/71:29 am
SJU
- ORD
Nonstop5h 16m
Multiple Airlines
Sun 4/127:25 am
ORD
- SJU
1 stop9h 14m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$216
This Cheapflightsfares deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/133:21 am
SJU
- ORD
1 stop10h 44m
Spirit Airlines
Mon 5/187:50 am
ORD
- SJU
1 stop17h 16m
Spirit Airlines
Deal found 3/9![Spirit Airlines logo]()
$217
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 March 13, 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 March 13, 2026.
This United Airlines deal was found by Cheapflights users on 3/8. 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 4/251:00 am
SJU
- ORD
1 stop7h 43m
United Airlines
Sun 4/262:38 pm
ORD
- SJU
Nonstop4h 56m
United Airlines
Deal found 3/8![United Airlines logo]()
$385
This Southwest deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/210:20 pm
SJU
- ORD
1 stop12h 25m
Southwest
Wed 7/82:00 pm
ORD
- SJU
1 stop8h 45m
Southwest
Deal found 3/11![Southwest logo]()
$386
This Mytrip deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/244:40 pm
SJU
- ORD
1 stop8h 42m
Spirit Airlines
Wed 3/257:17 am
ORD
- SJU
3 stops39h 41m
Spirit Airlines
Deal found 3/12![Spirit Airlines logo]()
$454
This Southwest deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:00 pm
SJU
- ORD
1 stop7h 55m
Southwest
Tue 7/212:40 pm
ORD
- SJU
2 stops8h 05m
Southwest
Deal found 3/10![Southwest logo]()
$406
This United Airlines deal was found by Cheapflights users on 3/9. 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 4/247:40 am
SJU
- ORD
Nonstop5h 13m
United Airlines
Sun 4/262:38 pm
ORD
- SJU
Nonstop4h 56m
United Airlines
Deal found 3/9![United Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 3/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2610:20 pm
SJU
- ORD
1 stop12h 55m
Southwest
Sun 7/56:00 am
ORD
- SJU
1 stop9h 25m
Southwest
Deal found 3/8![Southwest logo]()
$416
This United Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:40 am
SJU
- ORD
Nonstop5h 13m
United Airlines
Sat 5/92:38 pm
ORD
- SJU
Nonstop4h 56m
United Airlines
Deal found 3/11![United Airlines logo]()
$430
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 March 13, 2026 and is based on user searches.
Discover last-minute flight deals from Luis Munoz Marin Intl to O'Hare Intl. Data last updated March 13, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/71:29 am
SJU
- ORD
Nonstop5h 16m
Spirit Airlines
Sun 4/126:10 pm
ORD
- SJU
1 stop16h 39m
Spirit Airlines
Deal found 3/9![Spirit Airlines logo]()
$206
This Travelocity deal was found by Cheapflights users on 3/9. 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.
Tue 4/71:29 am
SJU
- ORD
Nonstop5h 16m
Multiple Airlines
Sun 4/127:25 am
ORD
- SJU
1 stop9h 14m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$216
This Cheapflightsfares deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/81:29 am
SJU
- ORD
Nonstop5h 16m
Spirit Airlines
Mon 4/1310:55 am
ORD
- SJU
1 stop12h 03m
Spirit Airlines
Deal found 3/8![Spirit Airlines logo]()
$213
This Expedia deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/911:01 am
SJU
- ORD
1 stop13h 35m
Multiple Airlines
Mon 4/1310:55 am
ORD
- SJU
1 stop12h 03m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$200
This eDestinos deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:00 am
SJU
- ORD
1 stop9h 42m
Frontier
Mon 4/1311:59 am
ORD
- SJU
1 stop10h 54m
Frontier
Deal found 3/11![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:00 am
SJU
- ORD
1 stop16h 17m
Frontier
Sun 4/192:10 pm
ORD
- SJU
1 stop21h 23m
Frontier
Deal found 3/12![Frontier logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Fri 4/176:00 am
SJU
- ORD
1 stop17h 54m
Frontier
Sun 4/193:08 pm
ORD
- SJU
1 stop22h 19m
Frontier
Deal found 3/9![Frontier logo]()
$209
This eDestinos deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/233:03 pm
SJU
- ORD
1 stop8h 36m
Frontier
Mon 4/275:50 am
ORD
- SJU
1 stop7h 18m
Frontier
Deal found 3/10![Frontier logo]()
$219
This CheapOair deal was found by Cheapflights users on 3/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/243:23 pm
SJU
- ORD
1 stop8h 16m
Multiple Airlines
Sun 4/267:50 am
ORD
- SJU
1 stop16h 08m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$215
This Cheapflightsfares deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/293:21 am
SJU
- ORD
1 stop10h 44m
Spirit Airlines
Mon 5/47:50 am
ORD
- SJU
1 stop17h 16m
Spirit Airlines
Deal found 3/8![Spirit Airlines logo]()
$193
This Expedia deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/303:03 pm
SJU
- ORD
1 stop8h 36m
Frontier
Mon 5/42:10 pm
ORD
- SJU
1 stop8h 33m
Frontier
Deal found 3/9![Frontier logo]()
$202
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 March 13, 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 March 13, 2026.
This Priceline deal was found by Cheapflights users on 3/9. 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.
Wed 4/2912:57 pm
SJU
- ORD
1 stop12h 27m
Spirit Airlines
Deal found 3/9![Spirit Airlines logo]()
$112
This Cheapflightsfares deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/71:29 am
SJU
- ORD
Nonstop5h 16m
Spirit Airlines
Deal found 3/9![Spirit Airlines logo]()
$114
This Super.com deal was found by Cheapflights users on 3/13. 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.
Sun 5/33:31 pm
SJU
- ORD
1 stop27h 43m
Frontier
Deal found 3/13![Frontier logo]()
$115
This Priceline deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/73:16 am
SJU
- ORD
1 stop21h 20m
Frontier
Deal found 3/10![Frontier logo]()
$117
This Cheapflightsfares deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1310:59 am
SJU
- ORD
Nonstop5h 09m
Spirit Airlines
Deal found 3/9![Spirit Airlines logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/81:29 am
SJU
- ORD
Nonstop5h 16m
Spirit Airlines
Deal found 3/9![Spirit Airlines logo]()
$120
This CheapOair deal was found by Cheapflights users on 3/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:03 am
SJU
- ORD
1 stop23h 47m
Spirit Airlines
Deal found 3/9![Spirit Airlines logo]()
$121
This CheapOair deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:54 pm
SJU
- ORD
1 stop14h 42m
Spirit Airlines
Deal found 3/10![Spirit Airlines logo]()
$122
This Trip.com deal was found by Cheapflights users on 3/13. 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.
Tue 4/147:54 pm
SJU
- ORD
1 stop26h 23m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$124
This eDestinos deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:09 pm
SJU
- ORD
1 stop30h 04m
Frontier
Deal found 3/11![Frontier logo]()
$125
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 March 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $183 (eDestinos) |
One-way from | $112 (Priceline) |
Popular in | November |
Cheapest in | February |
Average price | $379 |
Good round-trip deal | $316 or less |
Good one-way deal | $181 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 March 13, 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 - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Sat 4/25
1:00 am-7:43 am
1 stop7h 43m
Chicago O'Hare Intl
Sun 4/26
2:38 pm-8:34 pm
Nonstop4h 56m
$385
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Thu 7/2
10:20 pm-9:45 am
1 stop12h 25m
Chicago O'Hare Intl
Wed 7/8
2:00 pm-11:45 pm
1 stop8h 45m
$386
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Wed 7/15
5:00 pm-11:55 pm
1 stop7h 55m
Chicago O'Hare Intl
Tue 7/21
2:40 pm-11:45 pm
2 stops8h 05m
$406
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Fri 6/26
10:20 pm-10:15 am
1 stop12h 55m
Chicago O'Hare Intl
Sun 7/5
6:00 am-4:25 pm
1 stop9h 25m
$416
Quickest round-trip
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Fri 4/24
7:40 am-11:53 am
Nonstop5h 13m
Chicago O'Hare Intl
Sun 4/26
2:38 pm-8:34 pm
Nonstop4h 56m
$417
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Fri 5/1
7:40 am-11:53 am
Nonstop5h 13m
Chicago O'Hare Intl
Sat 5/9
2:38 pm-8:34 pm
Nonstop4h 56m
$430
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Tue 3/24
4:40 pm-12:22 am
1 stop8h 42m
Chicago O'Hare Intl
Wed 3/25
7:17 am-11:58 pm
3 stops39h 41m
$454
Cheapest one-way
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Sat 5/30
5:43 pm-11:59 pm
1 stop7h 16m
$143
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Tue 7/7
2:35 pm-8:24 pm
1 stop6h 49m
$143
Quickest one-way
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Wed 6/10
2:30 pm-6:35 pm
Nonstop5h 05m
$149
Showing 1-10 of 19 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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*1 star | |
| 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?
Use this chart to determine the optimal time to book a round-trip flight from Luis Munoz Marin Intl to O'Hare Intl. Price data was last updated on March 6, 2026.
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 74 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, May 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 $112). Flying from San Juan Luis Munoz Marin Intl Airport to Chicago O'Hare Intl Airport in December is currently the most expensive (average of $157). 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 March 13, 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 43% on the flight price compared to flying in the afternoon, 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 March 12, 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. Monday afternoons 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 187 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 5% 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 March 13, 2026.
Peruse reviews from past customers who have flown with United Airlines,JetBlue, 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.
Comfort
7.3
Crew
8.1
Boarding
7.7
Overall
7.4
Food
6.6
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2025
YUL - ORD
Comfort
7.3
Crew
8.1
Boarding
7.7
Overall
7.4
Food
6.6
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2025
YUL - ORD
Comfort
7.3
Crew
8.1
Boarding
7.7
Overall
7.4
Food
6.6
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2025
YUL - ORD
Comfort
7.3
Crew
8.1
Boarding
7.7
Overall
7.4
Food
6.6
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2025
YUL - ORD
Comfort
7.3
Crew
8.1
Boarding
7.7
Overall
7.4
Food
6.6
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2025
YUL - ORD
Comfort
7.3
Crew
8.1
Boarding
7.7
Overall
7.4
Food
6.6
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2025
YUL - ORD
Related info for your journey
Find useful and relevant information for your journey from Luis Munoz Marin Intl to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsSchaumburg
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Luis Munoz Marin Intl and O'Hare Intl flights
Browse other Luis Munoz Marin Intl and O'Hare Intl flight options. Last updated on March 13, 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 March 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$64 | Average$259 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$124 | Average$265 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$131 | Average$201 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$256 | Average$482 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$257 | Average$470 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$292 | Average$483 | FlexibilityNo cancel fee | On-time63% |