San Juan

$108+ Cheap flights from O'Hare Intl (ORD) to San Juan

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SJU
Oct 15 — Oct 221
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to San Juan are usually found in January or November, booked 49 days in advance, depart on a Monday or Tuesday and return on a Friday

Cheap flight deals from O'Hare Intl to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2025.

Round-trip from

$207
(Mytrip)

One-way from

$108
(Cheapflightsfares)

Popular in

December

Cheapest in

January

Average price

$372
From Chicago O'Hare Intl to San Juan
One-way flight from Chicago O'Hare Intl to San Juan
Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find flight deals from O'Hare Intl to San Juan

Cheapest flights from O'Hare Intl to San Juan
Explore the most affordable flight options available from O'Hare Intl to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Mytrip deal was found by Cheapflights users on 9/14. 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.
Sat 10/1111:55 amORD - SJU
2 stops26h 04mSpirit Airlines
Sat 10/189:48 amSJU - ORD
Nonstop5h 08mSpirit Airlines
Deal found 9/14$207
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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.
Fri 10/249:06 pmORD - SJU
Nonstop4h 45mSpirit Airlines
Wed 10/293:19 pmSJU - ORD
1 stop7h 14mSpirit Airlines
Deal found 9/14$208
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/411:57 amORD - SJU
2 stops20h 59mMultiple Airlines
Tue 10/76:22 amSJU - ORD
1 stop11h 51mMultiple Airlines
Deal found 9/13$209
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 9/226:30 amORD - SJU
1 stop6h 41mSpirit Airlines
Thu 10/211:59 amSJU - ORD
1 stop6h 40mSpirit Airlines
Deal found 9/14$210
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 9/226:30 amORD - SJU
1 stop6h 41mSpirit Airlines
Sat 9/276:44 amSJU - ORD
1 stop10h 28mSpirit Airlines
Deal found 9/14$211
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:30 amORD - SJU
1 stop6h 41mSpirit Airlines
Sat 10/46:44 amSJU - ORD
1 stop10h 28mSpirit Airlines
Deal found 9/12$212
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/35:17 pmORD - SJU
1 stop6h 37mSpirit Airlines
Sat 10/43:19 pmSJU - ORD
1 stop7h 39mSpirit Airlines
Deal found 9/13$213
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 12/36:55 amORD - SJU
Nonstop4h 38mSpirit Airlines
Mon 12/82:38 pmSJU - ORD
Nonstop5h 22mSpirit Airlines
Deal found 9/14$215
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:35 amORD - SJU
1 stop11h 09mSpirit Airlines
Wed 12/172:38 pmSJU - ORD
Nonstop5h 22mSpirit Airlines
Deal found 9/13$216
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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.
Sat 10/187:43 pmORD - SJU
1 stop14h 13mSpirit Airlines
Tue 10/213:19 pmSJU - ORD
1 stop7h 14mSpirit Airlines
Deal found 9/14$217
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/282:20 pmORD - SJU
Nonstop4h 40mUnited Airlines
Mon 11/38:10 amSJU - ORD
Nonstop5h 22mUnited Airlines
Deal found 9/15$218
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/279:06 pmORD - SJU
Nonstop4h 45mMultiple Airlines
Tue 11/49:00 amSJU - ORD
1 stop29h 45mMultiple Airlines
Deal found 9/14$219

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to San Juan 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 September 15, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to San Juan that are best for you.

Fly from

O'Hare Intl

Fly to

San Juan

Route

Depart

Return

Price

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Fri 10/31

5:20 am-4:33 pm

1 stop10h 13m

San Juan Luis Munoz Marin Intl

Wed 11/5

7:00 am-5:22 pm

1 stop12h 22m

$227

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 10/21

7:00 am-4:25 pm

1 stop8h 25m

San Juan Luis Munoz Marin Intl

Sat 10/25

7:00 am-5:22 pm

1 stop11h 22m

$227

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 11/11

1:36 pm-12:36 am

1 stop9h 00m

San Juan Luis Munoz Marin Intl

Fri 11/14

2:05 am-10:45 am

1 stop10h 40m

$256

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 10/21

1:17 pm-11:57 pm

1 stop9h 40m

San Juan Luis Munoz Marin Intl

Mon 10/27

1:05 am-9:02 am

1 stop8h 57m

$289

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Fri 10/31

2:20 pm-8:00 pm

Nonstop4h 40m

San Juan Luis Munoz Marin Intl

Wed 11/5

8:10 am-11:32 am

Nonstop5h 22m

$308

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 10/21

8:52 am-2:44 pm

Nonstop4h 52m

San Juan Luis Munoz Marin Intl

Fri 10/24

1:05 am-9:29 am

1 stop9h 24m

$313

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 11/11

8:55 am-3:40 pm

Nonstop4h 45m

San Juan Luis Munoz Marin Intl

Tue 11/11

2:05 am-9:05 am

1 stop9h 00m

$334

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 9/30

6:45 am-4:43 pm

1 stop8h 58m

San Juan Luis Munoz Marin Intl

Mon 10/13

3:03 am-12:22 pm

1 stop10h 19m

$360

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Thu 11/27

2:20 pm-9:00 pm

Nonstop4h 40m

San Juan Luis Munoz Marin Intl

Thu 12/4

2:05 am-8:47 am

1 stop8h 42m

$377

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 10/7

8:52 am-2:44 pm

Nonstop4h 52m

San Juan Luis Munoz Marin Intl

Fri 10/10

1:05 am-6:39 pm

2 stops18h 34m

$377

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 20 results
1
2

Best time to book a flight from O'Hare Intl to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from O'Hare Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to San Juan

How far ahead should I book a flight from Chicago O'Hare Intl Airport to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to San Juan. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to San Juan, you should look to book at least 49 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?

Currently, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Juan (average of $254). Flying from Chicago O'Hare Intl Airport to San Juan in June is currently the most expensive (average of $339). 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 San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

It’s optimal to fly from Chicago O'Hare Intl Airport to San Juan in the evening. By choosing this option you can save up to 32% 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?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to San Juan. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to San Juan flight should consider departing on Tuesday evenings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Chicago O'Hare Intl Airport to San Juan

Explore weekly flight availability from O'Hare Intl to San Juan. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 15, 2025.

The most flights from ORD to PR1 are scheduled on a Monday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated September 15, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Chicago O'Hare Intl Airport to San Juan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Chicago O'Hare Intl Airport to San Juan?

    A quick flight from Chicago O'Hare Intl Airport to San Juan can take about 9h. Delta provides one of the quickest options available for as low as $256. Chicago O'Hare Intl Airport and San Juan are separated by a distance of 2073 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to San Juan round-trip?

    Flying on Frontier is currently your cheapest option to San Juan, with prices starting at $106. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and Delta, with the lowest prices starting at $139 and $196, respectively. Frontier is 72% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to San Juan?

    Before booking your flight to San Juan from Chicago O'Hare Intl Airport, check out the most reliable airlines to get you to your destination on time: Spirit Airlines (79%), American Airlines (77%), Alaska Airlines( 77%).

  • What are the cheapest flights from Chicago O'Hare Intl Airport to San Juan?

    Looking for the cheapest flight from Chicago O'Hare Intl Airport to San Juan? While on average our users pay $463, our data indicates the cheapest price to be $127. The most popular route (Chicago O'Hare Intl - San Juan Luis Munoz Marin Intl), is priced around $168.

  • Can I find deals for flights from O'Hare Intl to San Juan that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to San Juan.

  • Can I find deals for business class flights from O'Hare Intl to San Juan?

    Yes. Cheapflights offers flight deals from O'Hare Intl to San Juan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to San Juan?

    Currently, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Juan (average of $254). Flying from Chicago O'Hare Intl Airport to San Juan in June is currently the most expensive (average of $339). 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.

See more FAQs

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Top 7 airlines flying from O'Hare Intl to San Juan

Discover the top 7 airlines that operate flights from O'Hare Intl to San Juan. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$106Average$277FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$139Average$306FlexibilityNo cancel feeOn-time65%
DeltaCheapest$196Average$400FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$271Average$418FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$277Average$538FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$350Average$519FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$389Average$481FlexibilityNo cancel feeOn-time63%

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