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Cheap flights from Chicago O'Hare Intl Airport to San Juan from £129

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 16/9. 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

United Airlines Logo
08:52 - 14:44ORD-SJU
4h 52mdirect
United Airlines Logo
13:30 - 23:07SJU-ORD
10h 37m1 stop
£255United Airlines
Find Deal
Tue, 16 Sep - Tue, 30 Sep
JetBlue Logo
13:41 - 23:44ORD-SJU
8h 03m1 stop
JetBlue Logo
15:40 - 21:48SJU-ORD
8h 08m1 stop
£256JetBlue
Find Deal
Mon, 24 Nov - Wed, 3 Dec
United Airlines Logo
08:52 - 14:44ORD-SJU
4h 52mdirect
United Airlines Logo
15:56 - 20:03SJU-ORD
5h 07mdirect
£258United Airlines
Find Deal
Tue, 16 Sep - Tue, 30 Sep
JetBlue Logo
12:20 - 23:34ORD-SJU
10h 14m1 stop
JetBlue Logo
13:50 - 22:28SJU-ORD
9h 38m1 stop
£259JetBlue
Find Deal
Sat, 23 Aug - Tue, 26 Aug
JetBlue Logo
14:20 - 01:43ORD-SJU
9h 23m1 stop
JetBlue Logo
07:30 - 13:23SJU-ORD
7h 53m1 stop
£260JetBlue
Find Deal
Sat, 17 Jan - Tue, 20 Jan
Delta Logo
07:00 - 16:25ORD-SJU
8h 25m1 stop
Delta Logo
13:10 - 21:31SJU-ORD
9h 21m1 stop
£265Delta
Find Deal
Wed, 22 Oct - Tue, 28 Oct
Southwest Logo
13:50 - 23:30ORD-SJU
8h 40m1 stop
Southwest Logo
08:00 - 21:30SJU-ORD
14h 30m2 stops
£270Southwest
Find Deal
Fri, 19 Sep - Wed, 24 Sep
Delta Logo
07:30 - 17:10ORD-SJU
7h 40m1 stop
Delta Logo
07:30 - 16:18SJU-ORD
10h 48m1 stop
£273Delta
Find Deal
Mon, 15 Dec - Tue, 23 Dec
Southwest Logo
13:50 - 23:50ORD-SJU
9h 00m2 stops
Southwest Logo
05:00 - 11:50SJU-ORD
7h 50m1 stop
£274Southwest
Find Deal
Wed, 8 Oct - Mon, 13 Oct
Sun Country Air Logo
19:26 - 16:14ORD-SJU
18h 48m1 stop
Sun Country Air Logo
17:15 - 10:45SJU-ORD
19h 30m1 stop
£302Sun Country Air
Find Deal
Fri, 14 Nov - Mon, 24 Nov

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

Our best JetBlue deals on Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport flight tickets
JetBlue
24 Nov
ORD13:41Chicago O'Hare Intl
8h 03m
1 stop
SJU23:44San Juan Luis Munoz Marin Intl
3 Dec
SJU15:40San Juan Luis Munoz Marin Intl
8h 08m
1 stop
ORD21:48Chicago O'Hare Intl
£256
Find similar
JetBlue
23 Aug
ORD12:20Chicago O'Hare Intl
10h 14m
1 stop
SJU23:34San Juan Luis Munoz Marin Intl
26 Aug
SJU13:50San Juan Luis Munoz Marin Intl
9h 38m
1 stop
ORD22:28Chicago O'Hare Intl
£259
Find similar
JetBlue
17 Jan
ORD14:20Chicago O'Hare Intl
9h 23m
1 stop
SJU01:43San Juan Luis Munoz Marin Intl
20 Jan
SJU07:30San Juan Luis Munoz Marin Intl
7h 53m
1 stop
ORD13:23Chicago O'Hare Intl
£260
Find similar

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
16 Sept
ORD08:52Chicago O'Hare Intl
4h 52m
SJU14:44San Juan Luis Munoz Marin Intl
30 Sept
SJU13:30San Juan Luis Munoz Marin Intl
10h 37m
1 stop
ORD23:07Chicago O'Hare Intl
£255
Find similar
United Airlines
16 Sept
ORD08:52Chicago O'Hare Intl
4h 52m
SJU14:44San Juan Luis Munoz Marin Intl
30 Sept
SJU15:56San Juan Luis Munoz Marin Intl
5h 07m
ORD20:03Chicago O'Hare Intl
£258
Find similar
United Airlines
17 Sept
ORD08:52Chicago O'Hare Intl
4h 52m
SJU14:44San Juan Luis Munoz Marin Intl
20 Sept
SJU01:05San Juan Luis Munoz Marin Intl
8h 03m
1 stop
ORD08:08Chicago O'Hare Intl
£262
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 1 August 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

Tue 16/9

08:52-14:44

Nonstop4h 52m

San Juan Luis Munoz Marin Intl

Tue 30/9

13:30-23:07

1 stop10h 37m

£255

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Mon 24/11

13:41-23:44

1 stop8h 03m

San Juan Luis Munoz Marin Intl

Wed 3/12

15:40-21:48

1 stop8h 08m

£256

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 16/9

08:52-14:44

Nonstop4h 52m

San Juan Luis Munoz Marin Intl

Tue 30/9

15:56-20:03

Nonstop5h 07m

£258

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sat 23/8

12:20-23:34

1 stop10h 14m

San Juan Luis Munoz Marin Intl

Tue 26/8

13:50-22:28

1 stop9h 38m

£259

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sat 17/1

14:20-01:43

1 stop9h 23m

San Juan Luis Munoz Marin Intl

Tue 20/1

07:30-13:23

1 stop7h 53m

£260

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Wed 22/10

07:00-16:25

1 stop8h 25m

San Juan Luis Munoz Marin Intl

Tue 28/10

13:10-21:31

1 stop9h 21m

£265

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Fri 19/9

13:50-23:30

1 stop8h 40m

San Juan Luis Munoz Marin Intl

Wed 24/9

08:00-21:30

2 stops14h 30m

£270

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Mon 15/12

07:30-17:10

1 stop7h 40m

San Juan Luis Munoz Marin Intl

Tue 23/12

07:30-16:18

1 stop10h 48m

£273

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Wed 8/10

13:50-23:50

2 stops9h 00m

San Juan Luis Munoz Marin Intl

Mon 13/10

05:00-11:50

1 stop7h 50m

£274

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Fri 14/11

19:26-16:14

1 stop18h 48m

San Juan Luis Munoz Marin Intl

Mon 24/11

17:15-10:45

1 stop19h 30m

£302

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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 £240.

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 £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 £228 on momondo.

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

There are 1 cabin classes 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 August 2025, prices for Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport flights are approximately 20% 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

£129

Fastest flight time

4h 38m

Direct flights

Every day
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from Chicago O'Hare Intl Airport in the past 72 hours is £129. The best return 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 £255.
The fastest flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport takes 4h 38m
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 38m 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

According to popular flight searches on momondo this year
Chicago O'Hare Intl to London Heathrow