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Cheap flights from Chicago O'Hare Intl Airport to San Juan from £87

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 3/2. 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
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
08:55 - 15:40ORD-SJU
4h 45mdirect
United Airlines Logo
16:52 - 20:20SJU-ORD
5h 28mdirect
£166United Airlines
Find Deal
Mon, 19 Jan - Fri, 23 Jan
United Airlines Logo
08:55 - 15:40ORD-SJU
4h 45mdirect
United Airlines Logo
02:05 - 10:49SJU-ORD
10h 44m1 stop
£170United Airlines
Find Deal
Mon, 26 Jan - Wed, 11 Feb
Delta Logo
14:49 - 23:44ORD-SJU
6h 55m1 stop
Delta Logo
18:27 - 23:57SJU-ORD
7h 30m1 stop
£173Delta
Find Deal
Mon, 19 Jan - Thu, 29 Jan
United Airlines Logo
14:20 - 21:00ORD-SJU
4h 40mdirect
United Airlines Logo
08:35 - 11:57SJU-ORD
5h 22mdirect
£193United Airlines
Find Deal
Mon, 9 Feb - Fri, 20 Feb
United Airlines Logo
13:00 - 00:36ORD-SJU
9h 36m1 stop
United Airlines Logo
08:35 - 11:57SJU-ORD
5h 22mdirect
£196United Airlines
Find Deal
Sat, 31 Jan - Fri, 6 Feb
Southwest Logo
06:05 - 19:05ORD-SJU
11h 00m1 stop
Southwest Logo
06:10 - 21:50SJU-ORD
17h 40m2 stops
£211Southwest
Find Deal
Fri, 23 Jan - Fri, 30 Jan
Delta Logo
10:24 - 23:59ORD-SJU
11h 35m1 stop
Delta Logo
18:27 - 23:57SJU-ORD
7h 30m1 stop
£220Delta
Find Deal
Sun, 18 Jan - Tue, 27 Jan
Southwest Logo
13:45 - 00:40ORD-SJU
8h 55m2 stops
Southwest Logo
06:30 - 21:50SJU-ORD
17h 20m2 stops
£222Southwest
Find Deal
Mon, 23 Feb - Thu, 26 Feb
JetBlue Logo
12:41 - 22:44ORD-SJU
9h 03m1 stop
JetBlue Logo
12:15 - 21:33SJU-ORD
10h 18m1 stop
£258JetBlue
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Sun, 8 Mar - Thu, 19 Mar
JetBlue Logo
13:45 - 01:47ORD-SJU
11h 02m1 stop
JetBlue Logo
05:40 - 12:50SJU-ORD
8h 10m1 stop
£269JetBlue
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Thu, 16 Apr - Sun, 19 Apr

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
19 Jan
ORD08:55Chicago O'Hare Intl
4h 45m
SJU15:40San Juan Luis Munoz Marin Intl
23 Jan
SJU16:52San Juan Luis Munoz Marin Intl
5h 28m
ORD20:20Chicago O'Hare Intl
£166
Find similar
United Airlines
26 Jan
ORD08:55Chicago O'Hare Intl
4h 45m
SJU15:40San Juan Luis Munoz Marin Intl
11 Feb
SJU02:05San Juan Luis Munoz Marin Intl
10h 44m
1 stop
ORD10:49Chicago O'Hare Intl
£170
Find similar
United Airlines
9 Feb
ORD14:20Chicago O'Hare Intl
4h 40m
SJU21:00San Juan Luis Munoz Marin Intl
20 Feb
SJU08:35San Juan Luis Munoz Marin Intl
5h 22m
ORD11:57Chicago O'Hare Intl
£193
Find similar

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
19 Jan
ORD11:18Chicago O'Hare Intl
10h 26m
1 stop
SJU23:44San Juan Luis Munoz Marin Intl
29 Jan
SJU14:15San Juan Luis Munoz Marin Intl
9h 20m
1 stop
ORD21:35Chicago O'Hare Intl
£173
Find similar
Delta
18 Jan
ORD10:24Chicago O'Hare Intl
11h 35m
1 stop
SJU23:59San Juan Luis Munoz Marin Intl
27 Jan
SJU15:55San Juan Luis Munoz Marin Intl
10h 02m
1 stop
ORD23:57Chicago O'Hare Intl
£220
Find similar
Delta
4 Jan
ORD05:30Chicago O'Hare Intl
10h 00m
1 stop
SJU17:30San Juan Luis Munoz Marin Intl
15 Jan
SJU07:30San Juan Luis Munoz Marin Intl
8h 09m
1 stop
ORD13:39Chicago O'Hare Intl
£237
Find similar

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 3 November 2025.
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

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Mon 19/1

08:55-15:40

Nonstop4h 45m

San Juan Luis Munoz Marin Intl

Fri 23/1

16:52-20:20

Nonstop5h 28m

£166

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Mon 26/1

08:55-15:40

Nonstop4h 45m

San Juan Luis Munoz Marin Intl

Wed 11/2

02:05-10:49

1 stop10h 44m

£170

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Mon 19/1

14:49-23:44

1 stop6h 55m

San Juan Luis Munoz Marin Intl

Thu 29/1

18:27-23:57

1 stop7h 30m

£173

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Mon 9/2

14:20-21:00

Nonstop4h 40m

San Juan Luis Munoz Marin Intl

Fri 20/2

08:35-11:57

Nonstop5h 22m

£193

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sat 31/1

13:00-00:36

1 stop9h 36m

San Juan Luis Munoz Marin Intl

Fri 6/2

08:35-11:57

Nonstop5h 22m

£196

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Fri 23/1

06:05-19:05

1 stop11h 00m

San Juan Luis Munoz Marin Intl

Fri 30/1

06:10-21:50

2 stops17h 40m

£211

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sun 18/1

10:24-23:59

1 stop11h 35m

San Juan Luis Munoz Marin Intl

Tue 27/1

18:27-23:57

1 stop7h 30m

£220

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Mon 23/2

13:45-00:40

2 stops8h 55m

San Juan Luis Munoz Marin Intl

Thu 26/2

06:30-21:50

2 stops17h 20m

£222

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sun 8/3

12:41-22:44

1 stop9h 03m

San Juan Luis Munoz Marin Intl

Thu 19/3

12:15-21:33

1 stop10h 18m

£258

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Thu 16/4

13:45-01:47

1 stop11h 02m

San Juan Luis Munoz Marin Intl

Sun 19/4

05:40-12:50

1 stop8h 10m

£269

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

If you aren’t able to travel during the month of January, then book flights to San Juan Luis Munoz Marin Intl Airport from Chicago O'Hare Intl Airport during April instead. Flights to San Juan Luis Munoz Marin Intl Airport in April, while not as cheap as those in January, still average around £265.

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 £296 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 £246 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 November 2025, prices for Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport flights are approximately 11% 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 40m

Direct flights

Every day
The fastest flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport takes 4h 40m
Direct flights go from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport every day.
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  • 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 40m 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
Carolina
Fajardo
Dorado

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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Chicago O'Hare Intl Airport flight routes

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Flights from Chicago O'Hare Intl to London Heathrow