San Juan

$116+ 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SJU
Jan 17 — Jan 241
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to San Juan are usually found in April or January, 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

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 December 18, 2025.

This JetBlue deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:45 amORD - SJU
1 stop10h 04mJetBlue
Sun 1/42:21 pmSJU - ORD
1 stop9h 43mJetBlue
Deal found 12/17$202
This Frontier deal was found by Cheapflights users on 12/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:15 pmORD - SJU
1 stop8h 14mFrontier
Thu 1/1511:55 amSJU - ORD
1 stop8h 30mFrontier
Deal found 12/15$205
This CheapOair deal was found by Cheapflights users on 12/17. 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.
Wed 12/315:45 amORD - SJU
Nonstop4h 41mSpirit Airlines
Thu 1/151:22 pmSJU - ORD
Nonstop5h 15mSpirit Airlines
Deal found 12/17$224
This Priceline deal was found by Cheapflights users on 12/16. 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.
Thu 12/2512:39 pmORD - SJU
1 stop9h 58mMultiple Airlines
Fri 1/1611:06 amSJU - ORD
1 stop10h 30mMultiple Airlines
Deal found 12/16$227
This Priceline deal was found by Cheapflights users on 12/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1611:25 amORD - SJU
1 stop10h 29mMultiple Airlines
Tue 12/238:08 pmSJU - ORD
Nonstop5h 17mMultiple Airlines
Deal found 12/15$230
This CheapOair deal was found by Cheapflights users on 12/16. 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 12/301:14 pmORD - SJU
1 stop7h 49mFrontier
Wed 1/77:18 pmSJU - ORD
1 stop25h 59mFrontier
Deal found 12/16$234
This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:25 pmORD - SJU
Nonstop4h 35mAmerican Airlines
Thu 1/156:00 amSJU - ORD
Nonstop5h 35mAmerican Airlines
Deal found 12/15$236
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/316:05 pmORD - SJU
1 stop12h 34mMultiple Airlines
Fri 1/910:47 pmSJU - ORD
1 stop11h 31mMultiple Airlines
Deal found 12/16$240
This Priceline deal was found by Cheapflights users on 12/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1611:25 amORD - SJU
1 stop10h 29mMultiple Airlines
Mon 12/227:25 amSJU - ORD
1 stop13h 08mMultiple Airlines
Deal found 12/15$243

Find 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 December 18, 2025.

Round-trip from

$195
(Kiwi.com)

One-way from

$116
(Travelocity)

Popular in

December

Cheapest in

April

Average price

$538
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. 11% potential increase in price ($49 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in December 2025

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 December 18, 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

Tue 3/10

10:00 am-8:56 pm

1 stop9h 56m

San Juan Luis Munoz Marin Intl

Thu 3/12

3:26 am-11:25 am

1 stop8h 59m

$196

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 3/24

10:56 am-11:23 pm

1 stop11h 27m

San Juan Luis Munoz Marin Intl

Thu 3/26

3:26 am-11:25 am

1 stop8h 59m

$196

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Mon 5/11

10:35 am-8:03 pm

1 stop8h 28m

San Juan Luis Munoz Marin Intl

Tue 5/12

12:30 pm-7:26 pm

1 stop7h 56m

$202

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Fri 2/27

12:41 pm-11:44 pm

1 stop9h 03m

San Juan Luis Munoz Marin Intl

Sat 3/7

5:10 am-11:58 am

1 stop8h 48m

$202

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Mon 3/9

12:41 pm-9:31 pm

1 stop7h 50m

San Juan Luis Munoz Marin Intl

Wed 3/11

1:30 am-10:05 am

1 stop9h 35m

$202

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sun 1/18

7:45 am-6:05 pm

1 stop8h 20m

San Juan Luis Munoz Marin Intl

Fri 1/23

11:06 am-7:36 pm

1 stop10h 30m

$205

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 3/17

10:56 am-11:23 pm

1 stop11h 27m

San Juan Luis Munoz Marin Intl

Thu 3/19

1:30 am-10:05 am

1 stop9h 35m

$211

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Fri 2/6

7:45 am-6:02 pm

1 stop8h 17m

San Juan Luis Munoz Marin Intl

Sat 2/14

5:22 pm-11:10 pm

1 stop7h 48m

$211

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Mon 3/9

12:41 pm-9:31 pm

1 stop7h 50m

San Juan Luis Munoz Marin Intl

Thu 3/12

3:26 am-11:25 am

1 stop8h 59m

$216

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Wed 2/4

7:45 am-6:02 pm

1 stop8h 17m

San Juan Luis Munoz Marin Intl

Sat 2/7

1:30 pm-7:45 pm

1 stop8h 15m

$216

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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 December 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 $127). Flying from Chicago O'Hare Intl Airport to San Juan in December is currently the most expensive (average of $221). 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 December 18, 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 7% 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 Thursday at noon when fares are most often at their lowest. Sunday at noon 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 December 18, 2025.

The most flights from ORD to PR1 are scheduled on a Tuesday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to San Juan?

How often are flights from Chicago to San Juan delayed?

About 17% of weekly flights between Chicago and San Juan have experienced delays in the past year, with the average delay time being 144 minutes.

What is the most punctual flight time for Chicago to San Juan 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?

Tuesday 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, American Airlines have had the lowest number of delays on this route, with just 13% of flights being delayed.

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 December 18, 2025.
See what other customers who have flown with United Airlines, American Airlines, and JetBlue 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.

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

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 56m. JetBlue provides one of the quickest options available for as low as $196. Chicago O'Hare Intl Airport and San Juan are separated by a distance of 2073 mi.

  • 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 JetBlue, with the lowest prices starting at $136 and $141, respectively. Frontier is 73% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to San Juan one-way?

    $82 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Spirit Airlines and Frontier, with prices starting from $91 and $94, respectively.

  • 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: Air Canada (80%), United Airlines (80%), Air New Zealand( 80%).

  • 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 $612, our data indicates the cheapest price to be $108. The most popular route (Chicago O'Hare Intl - San Juan Luis Munoz Marin Intl), is priced around $116.

  • 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 $127). Flying from Chicago O'Hare Intl Airport to San Juan in December is currently the most expensive (average of $221). 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$286FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$142Average$327FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$145Average$313FlexibilityNo cancel feeOn-time65%
DeltaCheapest$190Average$396FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$287Average$537FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$363Average$532FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$385Average$485FlexibilityNo cancel feeOn-time63%

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