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Cheap flights from Chicago O'Hare Intl Airport to San Juan from £88

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to San Juan departing on 12/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from Chicago O'Hare Intl Airport to San Juan

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
05:30 - 15:42
ORD
-
SJU
9h 12m
1 stop
United Airlines Logo
15:56 - 20:05
SJU
-
ORD
5h 09mdirect
£190United Airlines
Wed, 26 Aug - Sun, 30 Aug
Delta Logo
06:40 - 16:38
ORD
-
SJU
8h 58m
1 stop
Delta Logo
07:00 - 14:09
SJU
-
ORD
8h 09m
1 stop
£191Delta
Sat, 22 Aug - Mon, 31 Aug
United Airlines Logo
10:40 - 20:38
ORD
-
SJU
8h 58m
1 stop
United Airlines Logo
14:20 - 23:26
SJU
-
ORD
10h 06m
1 stop
£193United Airlines
Wed, 26 Aug - Sun, 30 Aug
Delta Logo
05:30 - 16:38
ORD
-
SJU
10h 08m
1 stop
Delta Logo
14:59 - 23:57
SJU
-
ORD
9h 58m
1 stop
£199Delta
Sun, 9 Aug - Thu, 13 Aug
United Airlines Logo
08:55 - 14:44
ORD
-
SJU
4h 49mdirect
United Airlines Logo
01:00 - 09:44
SJU
-
ORD
9h 44m
1 stop
£203United Airlines
Fri, 4 Sep - Sun, 6 Sep
United Airlines Logo
08:49 - 14:44
ORD
-
SJU
4h 55mdirect
United Airlines Logo
07:40 - 11:53
SJU
-
ORD
5h 13mdirect
£208United Airlines
Sat, 4 Jul - Sat, 11 Jul
United Airlines Logo
08:55 - 14:44
ORD
-
SJU
4h 49mdirect
United Airlines Logo
15:56 - 20:05
SJU
-
ORD
5h 09mdirect
£209United Airlines
Thu, 27 Aug - Sun, 30 Aug
United Airlines Logo
14:38 - 20:34
ORD
-
SJU
4h 56mdirect
United Airlines Logo
07:00 - 16:41
SJU
-
ORD
10h 41m
1 stop
£211United Airlines
Tue, 4 Aug - Tue, 25 Aug
United Airlines Logo
13:30 - 23:50
ORD
-
SJU
9h 20m
1 stop
United Airlines Logo
14:20 - 23:26
SJU
-
ORD
10h 06m
1 stop
£213United Airlines
Thu, 13 Aug - Fri, 21 Aug
Delta Logo
09:54 - 22:29
ORD
-
SJU
11h 35m
1 stop
Delta Logo
14:59 - 20:55
SJU
-
ORD
6h 56m
1 stop
£214Delta
Fri, 21 Aug - Sun, 30 Aug

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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
26 Aug
ORD05:30Chicago O'Hare Intl
9h 12m
1 stop
SJU15:42San Juan Luis Munoz Marin Intl
30 Aug
SJU15:56San Juan Luis Munoz Marin Intl
5h 09m
ORD20:05Chicago O'Hare Intl
£190
United Airlines
26 Aug
ORD10:40Chicago O'Hare Intl
8h 58m
1 stop
SJU20:38San Juan Luis Munoz Marin Intl
30 Aug
SJU14:20San Juan Luis Munoz Marin Intl
10h 06m
1 stop
ORD23:26Chicago O'Hare Intl
£193
United Airlines
4 Sept
ORD08:55Chicago O'Hare Intl
4h 49m
SJU14:44San Juan Luis Munoz Marin Intl
6 Sept
SJU01:00San Juan Luis Munoz Marin Intl
9h 44m
1 stop
ORD09:44Chicago O'Hare Intl
£203

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

Our best Delta deals on Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport flight tickets
Delta
22 Aug
ORD06:40Chicago O'Hare Intl
8h 58m
1 stop
SJU16:38San Juan Luis Munoz Marin Intl
31 Aug
SJU07:00San Juan Luis Munoz Marin Intl
8h 09m
1 stop
ORD14:09Chicago O'Hare Intl
£191
Delta
9 Aug
ORD05:30Chicago O'Hare Intl
10h 08m
1 stop
SJU16:38San Juan Luis Munoz Marin Intl
13 Aug
SJU14:59San Juan Luis Munoz Marin Intl
9h 58m
1 stop
ORD23:57Chicago O'Hare Intl
£199
Delta
21 Aug
ORD09:54Chicago O'Hare Intl
11h 35m
1 stop
SJU22:29San Juan Luis Munoz Marin Intl
30 Aug
SJU14:59San Juan Luis Munoz Marin Intl
6h 56m
1 stop
ORD20:55Chicago O'Hare Intl
£214

momondo Fare Finder

 
Customise your flight search to find flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport 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, momondo users made 279,928 searches. Data last updated 18 June 2026.
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 26/8

05:30-15:42

1 stop9h 12m

San Juan Luis Munoz Marin Intl

Sun 30/8

15:56-20:05

Nonstop5h 09m

£190

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sat 22/8

06:40-16:38

1 stop8h 58m

San Juan Luis Munoz Marin Intl

Mon 31/8

07:00-14:09

1 stop8h 09m

£191

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Wed 26/8

10:40-20:38

1 stop8h 58m

San Juan Luis Munoz Marin Intl

Sun 30/8

14:20-23:26

1 stop10h 06m

£193

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sun 9/8

05:30-16:38

1 stop10h 08m

San Juan Luis Munoz Marin Intl

Thu 13/8

14:59-23:57

1 stop9h 58m

£199

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Fri 4/9

08:55-14:44

Nonstop4h 49m

San Juan Luis Munoz Marin Intl

Sun 6/9

01:00-09:44

1 stop9h 44m

£203

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sat 4/7

08:49-14:44

Nonstop4h 55m

San Juan Luis Munoz Marin Intl

Sat 11/7

07:40-11:53

Nonstop5h 13m

£208
Fastest return journey

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Thu 27/8

08:55-14:44

Nonstop4h 49m

San Juan Luis Munoz Marin Intl

Sun 30/8

15:56-20:05

Nonstop5h 09m

£209

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 4/8

14:38-20:34

Nonstop4h 56m

San Juan Luis Munoz Marin Intl

Tue 25/8

07:00-16:41

1 stop10h 41m

£211

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Thu 13/8

13:30-23:50

1 stop9h 20m

San Juan Luis Munoz Marin Intl

Fri 21/8

14:20-23:26

1 stop10h 06m

£213

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Fri 21/8

09:54-22:29

1 stop11h 35m

San Juan Luis Munoz Marin Intl

Sun 30/8

14:59-20:55

1 stop6h 56m

£214

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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

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 £254.

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 £293 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 £264 on momondo.

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

There is only 1 cabin class available to choose from on Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport 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 June 2026, prices for Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport flights are approximately 1% 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

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

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?

Travelling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Rio Grande
Fajardo
Carolina
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.

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