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

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

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 19% 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 141 minutes.

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.

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

According to our data, American Airlines have had the fewest delays on this route over the last 12 months, with about 17% of their flights experiencing any sort of delay.

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.

£119 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 week?

As of March 2026, there are 86 flights per week flying from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

07:17 - 18:55

ORD

SJU

10h 38m

1 stop

12:57 - 00:24

SJU

ORD

12h 27m

1 stop

£161Spirit Airlines

Wed, 8 Apr - Wed, 15 Apr

16:21 - 02:01

ORD

SJU

8h 40m

1 stop

16:33 - 23:36

SJU

ORD

8h 03m

1 stop

£181Frontier

Tue, 7 Apr - Thu, 9 Apr

16:34 - 00:52

ORD

SJU

7h 18m

1 stop

06:00 - 14:42

SJU

ORD

9h 42m

1 stop

£183Frontier

Tue, 7 Apr - Thu, 9 Apr

08:00 - 13:42

ORD

SJU

4h 42mdirect

10:59 - 15:08

SJU

ORD

5h 09mdirect

£225Spirit Airlines

Mon, 4 May - Tue, 2 Jun

06:00 - 16:38

ORD

SJU

9h 38m

1 stop

07:00 - 17:41

SJU

ORD

11h 41m

1 stop

£237Delta

Tue, 30 Jun - Thu, 9 Jul

13:06 - 23:59

ORD

SJU

9h 53m

1 stop

12:55 - 20:16

SJU

ORD

8h 21m

1 stop

£245Delta

Tue, 21 Apr - Tue, 5 May

08:49 - 14:44

ORD

SJU

4h 55mdirect

07:40 - 11:53

SJU

ORD

5h 13mdirect

£245United Airlines

Mon, 4 May - Wed, 6 May

14:38 - 20:34

ORD

SJU

4h 56mdirect

07:40 - 11:53

SJU

ORD

5h 13mdirect

£250United Airlines

Fri, 15 May - Wed, 20 May

14:38 - 20:34

ORD

SJU

4h 56mdirect

07:40 - 11:53

SJU

ORD

5h 13mdirect

£251United Airlines

Tue, 19 May - Wed, 20 May

14:38 - 20:34

ORD

SJU

4h 56mdirect

07:40 - 11:53

SJU

ORD

5h 13mdirect

£252United Airlines

Sat, 2 May - Tue, 5 May

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

8 Apr

ORD07:17Chicago O'Hare Intl

10h 38m

1 stop

SJU18:55San Juan Luis Munoz Marin Intl

15 Apr

SJU12:57San Juan Luis Munoz Marin Intl

12h 27m

1 stop

ORD00:24Chicago O'Hare Intl

£161

Spirit Airlines

4 May

ORD08:00Chicago O'Hare Intl

4h 42m

SJU13:42San Juan Luis Munoz Marin Intl

2 Jun

SJU10:59San Juan Luis Munoz Marin Intl

5h 09m

ORD15:08Chicago O'Hare Intl

£225

Spirit Airlines

29 Mar

ORD20:56Chicago O'Hare Intl

4h 33m

SJU02:29San Juan Luis Munoz Marin Intl

4 Apr

SJU11:03San Juan Luis Munoz Marin Intl

8h 28m

1 stop

ORD18:31Chicago O'Hare Intl

£345

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

4 May

ORD08:49Chicago O'Hare Intl

4h 55m

SJU14:44San Juan Luis Munoz Marin Intl

6 May

SJU07:40San Juan Luis Munoz Marin Intl

5h 13m

ORD11:53Chicago O'Hare Intl

£245

United Airlines

15 May

ORD14:38Chicago O'Hare Intl

4h 56m

SJU20:34San Juan Luis Munoz Marin Intl

20 May

SJU07:40San Juan Luis Munoz Marin Intl

5h 13m

ORD11:53Chicago O'Hare Intl

£250

United Airlines

19 May

ORD14:38Chicago O'Hare Intl

4h 56m

SJU20:34San Juan Luis Munoz Marin Intl

20 May

SJU07:40San Juan Luis Munoz Marin Intl

5h 13m

ORD11:53Chicago O'Hare Intl

£251

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 8/4

07:17-18:55

1 stop10h 38m

San Juan Luis Munoz Marin Intl

Wed 15/4

12:57-00:24

1 stop12h 27m

£161

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 7/4

16:21-02:01

1 stop8h 40m

San Juan Luis Munoz Marin Intl

Thu 9/4

16:33-23:36

1 stop8h 03m

£181

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 7/4

16:34-00:52

1 stop7h 18m

San Juan Luis Munoz Marin Intl

Thu 9/4

06:00-14:42

1 stop9h 42m

£183

Fastest return journey

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Mon 4/5

08:00-13:42

Nonstop4h 42m

San Juan Luis Munoz Marin Intl

Tue 2/6

10:59-15:08

Nonstop5h 09m

£225

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 30/6

06:00-16:38

1 stop9h 38m

San Juan Luis Munoz Marin Intl

Thu 9/7

07:00-17:41

1 stop11h 41m

£237

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 21/4

13:06-23:59

1 stop9h 53m

San Juan Luis Munoz Marin Intl

Tue 5/5

12:55-20:16

1 stop8h 21m

£245

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Mon 4/5

08:49-14:44

Nonstop4h 55m

San Juan Luis Munoz Marin Intl

Wed 6/5

07:40-11:53

Nonstop5h 13m

£245

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Fri 15/5

14:38-20:34

Nonstop4h 56m

San Juan Luis Munoz Marin Intl

Wed 20/5

07:40-11:53

Nonstop5h 13m

£250

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 19/5

14:38-20:34

Nonstop4h 56m

San Juan Luis Munoz Marin Intl

Wed 20/5

07:40-11:53

Nonstop5h 13m

£251

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sat 2/5

14:38-20:34

Nonstop4h 56m

San Juan Luis Munoz Marin Intl

Tue 5/5

07:40-11:53

Nonstop5h 13m

£252

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 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 May instead. Flights to San Juan Luis Munoz Marin Intl Airport in May, while not as cheap as those in September, still average around £264.

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 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 £289 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 £251 on momondo.

What cabin class options are available on Chicago O'Hare Intl to San Juan Luis Munoz Marin Intl flights?

There is only 1 cabin class available to choose from on Chicago O'Hare Intl to San Juan Luis Munoz Marin Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of March 2026, prices for Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport flights are approximately 13% cheaper 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

Fastest flight time	4h 56m
Direct flights	Every day

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.

Search flight deals

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 39.68% of all bookings. The subsequent popular models are Boeing 737-800 at 22.60%, Airbus A318/A319/A320/A321 at 21.28%, and Airbus A320 (sharklets) at 7.72%.

Rio Grande

Carolina

Fajardo

Dorado

Luquillo

Why use momondo?

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.

An easier way to manage your San Juan Luis Munoz Marin Intl Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sat 18/4

Sat 25/4

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to San Juan

Other flights from Chicago O'Hare Intl Airport

Other flights to San Juan

Cabin classes

Complete your trip

Feeling lucky

Chicago O'Hare Intl Airport flight routes

Flights from Chicago O'Hare Intl to London Heathrow

Cheap flights from Chicago O'Hare Intl Airport to San Juan from £119

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

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

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

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.

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 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 to San Juan Luis Munoz Marin Intl Airport?

What cabin class options are available on Chicago O'Hare Intl to San Juan Luis Munoz Marin Intl flights?

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

Fastest flight time

Direct flights

Travelling to a place near San Juan?

Why use momondo?

An easier way to manage your San Juan Luis Munoz Marin Intl Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to San Juan

Chicago O'Hare Intl Airport flight routes

According to popular flight searches on momondo this year

San Juan Luis Munoz Marin Intl Airport flight routes

According to popular flight searches on momondo this year

Cabin classes currently available on flights to San Juan

List of cabin classes available on flights landing in San Juan. Availability may vary depending on flight origin and airline.

Complete your trip to San Juan

Explore popular destinations other users love

According to popular flight searches on momondo this year