What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

How often are flights from Chicago to San Juan delayed?

Historically, on average around 21% of flights between Chicago and San Juan have experienced a delay on any given week. The average delay length over the past 12 months has been 144 minutes.

Which airline has the best punctuality record on Chicago to San Juan flights?

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with about 19% of their flights experiencing any sort of delay.

What is the cheapest airline that flies from Chicago O'Hare Intl to San Juan Luis Munoz Marin Intl?

United Airlines and Delta are the most popular carriers operating from Chicago O'Hare Intl to San Juan Luis Munoz Marin Intl

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

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

The travel and health documents required for your trip to San Juan Luis Munoz Marin Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Juan Luis Munoz Marin Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£80 Cheap Flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport in 2026

Q: How many flights depart from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport on average per day?

As of May 2026, 8 flights take off from Chicago O'Hare Intl Airport and land in San Juan Luis Munoz Marin Intl Airport each day. The most common flight departure time for this route is 08:00, with 63% of daily flights taking off at midday.

Q: What is the typical price of a round-trip flight between Chicago O'Hare Intl Airport and San Juan Luis Munoz Marin Intl Airport?

Prices are currently low for flights on this route. Typical prices usually range from £348 to £191. The lowest price recently found on this route was £166.

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Find the cheapest flights from Chicago O'Hare Intl Airport to San Juan

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

11:10 - 22:23

ORD

SJU

10h 13m

1 stop

17:45 - 23:57

SJU

ORD

7h 12m

1 stop

£166Delta

Wed, 19 Aug - Wed, 2 Sep

11:23 - 20:43

ORD

SJU

8h 20m

1 stop

12:56 - 22:08

SJU

ORD

10h 12m

1 stop

£174Delta

Sat, 4 Jul - Thu, 9 Jul

13:15 - 22:23

ORD

SJU

8h 08m

1 stop

17:45 - 23:57

SJU

ORD

7h 12m

1 stop

£181Delta

Sat, 15 Aug - Sat, 29 Aug

06:40 - 16:37

ORD

SJU

8h 57m

1 stop

12:56 - 20:46

SJU

ORD

8h 50m

1 stop

£188Delta

Mon, 10 Aug - Thu, 20 Aug

11:10 - 22:23

ORD

SJU

10h 13m

1 stop

14:40 - 23:57

SJU

ORD

10h 17m

1 stop

£196Delta

Thu, 20 Aug - Wed, 2 Sep

08:55 - 14:44

ORD

SJU

4h 49mdirect

15:56 - 20:05

SJU

ORD

5h 09mdirect

£208United Airlines

Wed, 12 Aug - Wed, 26 Aug

08:03 - 16:45

ORD

SJU

7h 42m

1 stop

13:06 - 20:17

SJU

ORD

8h 11m

1 stop

£211Delta

Tue, 4 Aug - Thu, 13 Aug

14:38 - 20:34

ORD

SJU

4h 56mdirect

07:40 - 11:53

SJU

ORD

5h 13mdirect

£214United Airlines

Sat, 4 Jul - Thu, 9 Jul

16:44 - 22:21

ORD

SJU

4h 37mdirect

14:05 - 23:15

SJU

ORD

10h 10m

1 stop

£215Spirit Airlines

Sun, 31 May - Sun, 7 Jun

14:38 - 20:34

ORD

SJU

4h 56mdirect

07:40 - 11:53

SJU

ORD

5h 13mdirect

£218United Airlines

Sat, 4 Jul - Thu, 9 Jul

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United Airlines flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport

Our best United Airlines deals on Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport flight tickets

United Airlines

9 May

ORD14:38Chicago O'Hare Intl

4h 56m

SJU20:34San Juan Luis Munoz Marin Intl

15 May

SJU07:40San Juan Luis Munoz Marin Intl

5h 13m

ORD11:53Chicago O'Hare Intl

£197

United Airlines

12 Aug

ORD08:55Chicago O'Hare Intl

4h 49m

SJU14:44San Juan Luis Munoz Marin Intl

26 Aug

SJU15:56San Juan Luis Munoz Marin Intl

5h 09m

ORD20:05Chicago O'Hare Intl

£208

United Airlines

5 May

ORD14:38Chicago O'Hare Intl

4h 56m

SJU20:34San Juan Luis Munoz Marin Intl

7 May

SJU15:56San Juan Luis Munoz Marin Intl

5h 19m

ORD20:15Chicago O'Hare Intl

£211

Spirit Airlines flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport

Our best Spirit Airlines deals on Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport flight tickets

Spirit Airlines

31 May

ORD16:44Chicago O'Hare Intl

4h 37m

SJU22:21San Juan Luis Munoz Marin Intl

7 Jun

SJU14:05San Juan Luis Munoz Marin Intl

10h 10m

1 stop

ORD23:15Chicago O'Hare Intl

£215

Spirit Airlines

3 Jul

ORD13:04Chicago O'Hare Intl

4h 41m

SJU18:45San Juan Luis Munoz Marin Intl

10 Jul

SJU21:56San Juan Luis Munoz Marin Intl

12h 26m

1 stop

ORD09:22Chicago O'Hare Intl

£226

Spirit Airlines

16 Jun

ORD09:00Chicago O'Hare Intl

4h 48m

SJU14:48San Juan Luis Munoz Marin Intl

22 Jun

SJU19:40San Juan Luis Munoz Marin Intl

4h 49m

ORD23:29Chicago O'Hare Intl

£235

momondo Fare Finder

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

Price

Cheapest return flight

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Wed 19/8

11:10-22:23

1 stop10h 13m

San Juan Luis Munoz Marin Intl

Wed 2/9

17:45-23:57

1 stop7h 12m

£166

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sat 4/7

11:23-20:43

1 stop8h 20m

San Juan Luis Munoz Marin Intl

Thu 9/7

12:56-22:08

1 stop10h 12m

£174

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sat 15/8

13:15-22:23

1 stop8h 08m

San Juan Luis Munoz Marin Intl

Sat 29/8

17:45-23:57

1 stop7h 12m

£181

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Mon 10/8

06:40-16:37

1 stop8h 57m

San Juan Luis Munoz Marin Intl

Thu 20/8

12:56-20:46

1 stop8h 50m

£188

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Thu 20/8

11:10-22:23

1 stop10h 13m

San Juan Luis Munoz Marin Intl

Wed 2/9

14:40-23:57

1 stop10h 17m

£196

Fastest return journey

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Wed 12/8

08:55-14:44

Nonstop4h 49m

San Juan Luis Munoz Marin Intl

Wed 26/8

15:56-20:05

Nonstop5h 09m

£208

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 4/8

08:03-16:45

1 stop7h 42m

San Juan Luis Munoz Marin Intl

Thu 13/8

13:06-20:17

1 stop8h 11m

£211

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sat 4/7

14:38-20:34

Nonstop4h 56m

San Juan Luis Munoz Marin Intl

Thu 9/7

07:40-11:53

Nonstop5h 13m

£214

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sun 31/5

16:44-22:21

Nonstop4h 37m

San Juan Luis Munoz Marin Intl

Sun 7/6

14:05-23:15

1 stop10h 10m

£215

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sat 4/7

14:38-20:34

Nonstop4h 56m

San Juan Luis Munoz Marin Intl

Thu 9/7

07:40-11:53

Nonstop5h 13m

£218

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the typical price of a round-trip flight between Chicago O'Hare Intl Airport and San Juan Luis Munoz Marin Intl Airport?

What is the cheapest month to fly to San Juan Luis Munoz Marin Intl Airport?

If you aren’t able to travel during the month of September, then book flights to San Juan Luis Munoz Marin Intl Airport from Chicago O'Hare Intl Airport during August instead. Flights to San Juan Luis Munoz Marin Intl Airport in August, while not as cheap as those in September, still average around £255.

What is the cheapest Chicago O'Hare Intl to San Juan Luis Munoz Marin Intl flight route?

Fly from Chicago O'Hare Intl to San Juan Luis Munoz Marin Intl for the best Chicago O'Hare Intl - San Juan Luis Munoz Marin Intl flight prices

How far in advance should I book a flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?

You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around £284 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from Chicago O'Hare Intl Airport for as low as £255 on momondo.

How have Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

As of May 2026, prices for Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport flights are approximately 27% more expensive when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport (ORD to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport

Best price found	£359
Fastest flight time	4h 56m
Direct flights	Every day

The best flight deal from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is £359

The fastest flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport takes 4h 56m

Direct flights go from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport every day.

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Frequently asked questions about flying from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport

How far is Chicago O'Hare Intl to San Juan Luis Munoz Marin Intl by plane?
Chicago O'Hare Intl and San Juan Luis Munoz Marin Intl are 2072.5 mi apart from one another. Typically, this will take 4h 56m by plane in normal conditions.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?
Prices for flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport were last updated today.
How old do you have to be to fly from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport.
What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?
The travel and health documents required for your trip to San Juan Luis Munoz Marin Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Juan Luis Munoz Marin Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport is Airbus A321neo, representing 42.42% of all bookings. The subsequent popular models are Boeing 737-800 at 19.03%, Airbus A318/A319/A320/A321 at 12.74%, and Airbus A320-100/200 at 10.66%.

Rio Grande

Carolina

Fajardo

Dorado

Luquillo

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Why should I use momondo to find a flight deal from Chicago to San Juan?

Finding the right flight to San Juan from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Juan quick and easy, saving you time and money.

Can I find flights from Chicago to San Juan with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Juan from Chicago with this policy.

How can momondo help me find flights from Chicago to San Juan?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to San Juan.

I’m not ready to book a flight from Chicago to San Juan right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Juan from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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United Airlines flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport

Our best United Airlines deals on Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport flight tickets

Spirit Airlines flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport

Our best Spirit Airlines deals on Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport flight tickets

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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.

See travel insights to San Juan from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport

What is the typical price of a round-trip flight between Chicago O'Hare Intl Airport and San Juan Luis Munoz Marin Intl Airport?

What is the cheapest month to fly to San Juan Luis Munoz Marin Intl Airport?

What is the cheapest Chicago O'Hare Intl to San Juan Luis Munoz Marin Intl flight route?

How far in advance should I book a flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?

How have Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

What is the cheapest airline that flies from Chicago O'Hare Intl to San Juan Luis Munoz Marin Intl?

How often are flights from Chicago to San Juan delayed?

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

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Chicago to San Juan flights?

How many flights depart from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport on average per day?

How many flights depart from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport on average per week?

When to book flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport

Cheap Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport (ORD to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport

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Frequently asked questions about flying from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport

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