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Cheap flights from Chicago O'Hare Intl Airport to San Juan from £90

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 17/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
JetBlue Logo
08:45 - 19:13
ORD
-
SJU
8h 28m1 stop
JetBlue Logo
17:22 - 23:10
SJU
-
ORD
7h 48m1 stop
£147JetBlue
Sat, 7 Feb - Sat, 14 Feb
JetBlue Logo
12:41 - 23:44
ORD
-
SJU
9h 03m1 stop
JetBlue Logo
05:10 - 11:48
SJU
-
ORD
8h 38m1 stop
£151JetBlue
Fri, 27 Feb - Mon, 2 Mar
JetBlue Logo
10:56 - 23:23
ORD
-
SJU
11h 27m1 stop
JetBlue Logo
01:30 - 10:05
SJU
-
ORD
9h 35m1 stop
£153JetBlue
Thu, 12 Mar - Mon, 23 Mar
JetBlue Logo
09:40 - 19:26
ORD
-
SJU
7h 46m1 stop
JetBlue Logo
11:06 - 19:36
SJU
-
ORD
10h 30m1 stop
£154JetBlue
Thu, 8 Jan - Wed, 14 Jan
JetBlue Logo
08:45 - 19:13
ORD
-
SJU
8h 28m1 stop
JetBlue Logo
17:22 - 23:10
SJU
-
ORD
7h 48m1 stop
£158JetBlue
Fri, 6 Feb - Sat, 14 Feb
JetBlue Logo
07:45 - 18:05
ORD
-
SJU
8h 20m1 stop
JetBlue Logo
11:06 - 19:36
SJU
-
ORD
10h 30m1 stop
£160JetBlue
Sun, 11 Jan - Tue, 27 Jan
JetBlue Logo
09:40 - 19:26
ORD
-
SJU
7h 46m1 stop
JetBlue Logo
11:06 - 19:36
SJU
-
ORD
10h 30m1 stop
£162JetBlue
Thu, 29 Jan - Mon, 2 Feb
JetBlue Logo
09:40 - 19:26
ORD
-
SJU
7h 46m1 stop
JetBlue Logo
11:06 - 19:36
SJU
-
ORD
10h 30m1 stop
£162JetBlue
Thu, 29 Jan - Wed, 4 Feb
JetBlue Logo
15:15 - 01:59
ORD
-
SJU
9h 44m1 stop
JetBlue Logo
12:30 - 19:26
SJU
-
ORD
7h 56m1 stop
£165JetBlue
Tue, 12 May - Thu, 14 May
Spirit Airlines Logo
12:17 - 18:49
ORD
-
SJU
4h 32mdirect
Spirit Airlines Logo
13:22 - 16:37
SJU
-
ORD
5h 15mdirect
£167Spirit Airlines
Fri, 30 Jan - Fri, 6 Feb

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
30 Jan
ORD12:17Chicago O'Hare Intl
4h 32m
SJU18:49San Juan Luis Munoz Marin Intl
6 Feb
SJU13:22San Juan Luis Munoz Marin Intl
5h 15m
ORD16:37Chicago O'Hare Intl
£167
Find similar
Spirit Airlines
9 May
ORD12:22Chicago O'Hare Intl
4h 32m
SJU17:54San Juan Luis Munoz Marin Intl
11 May
SJU02:15San Juan Luis Munoz Marin Intl
17h 00m
1 stop
ORD18:15Chicago O'Hare Intl
£169
Find similar
Spirit Airlines
30 Jan
ORD20:36Chicago O'Hare Intl
24h 57m
2 stops
SJU23:33San Juan Luis Munoz Marin Intl
6 Feb
SJU11:52San Juan Luis Munoz Marin Intl
8h 24m
1 stop
ORD18:16Chicago O'Hare Intl
£182
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
21 Jan
ORD10:29Chicago O'Hare Intl
11h 28m
1 stop
SJU23:57San Juan Luis Munoz Marin Intl
28 Jan
SJU07:00San Juan Luis Munoz Marin Intl
8h 14m
1 stop
ORD13:14Chicago O'Hare Intl
£168
Find similar
Delta
24 Jan
ORD14:30Chicago O'Hare Intl
7h 27m
1 stop
SJU23:57San Juan Luis Munoz Marin Intl
2 Feb
SJU18:27San Juan Luis Munoz Marin Intl
7h 29m
1 stop
ORD23:56Chicago O'Hare Intl
£232
Find similar
Delta
18 Dec
ORD07:00Chicago O'Hare Intl
8h 20m
1 stop
SJU17:20San Juan Luis Munoz Marin Intl
23 Dec
SJU07:30San Juan Luis Munoz Marin Intl
10h 49m
1 stop
ORD16:19Chicago O'Hare Intl
£434
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 18 December 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

Sat 7/2

08:45-19:13

1 stop8h 28m

San Juan Luis Munoz Marin Intl

Sat 14/2

17:22-23:10

1 stop7h 48m

£147

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Fri 27/2

12:41-23:44

1 stop9h 03m

San Juan Luis Munoz Marin Intl

Mon 2/3

05:10-11:48

1 stop8h 38m

£151

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Thu 12/3

10:56-23:23

1 stop11h 27m

San Juan Luis Munoz Marin Intl

Mon 23/3

01:30-10:05

1 stop9h 35m

£153

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Thu 8/1

09:40-19:26

1 stop7h 46m

San Juan Luis Munoz Marin Intl

Wed 14/1

11:06-19:36

1 stop10h 30m

£154

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Fri 6/2

08:45-19:13

1 stop8h 28m

San Juan Luis Munoz Marin Intl

Sat 14/2

17:22-23:10

1 stop7h 48m

£158

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sun 11/1

07:45-18:05

1 stop8h 20m

San Juan Luis Munoz Marin Intl

Tue 27/1

11:06-19:36

1 stop10h 30m

£160

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Thu 29/1

09:40-19:26

1 stop7h 46m

San Juan Luis Munoz Marin Intl

Mon 2/2

11:06-19:36

1 stop10h 30m

£162

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Thu 29/1

09:40-19:26

1 stop7h 46m

San Juan Luis Munoz Marin Intl

Wed 4/2

11:06-19:36

1 stop10h 30m

£162

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 12/5

15:15-01:59

1 stop9h 44m

San Juan Luis Munoz Marin Intl

Thu 14/5

12:30-19:26

1 stop7h 56m

£164

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Fri 30/1

12:17-18:49

Nonstop4h 32m

San Juan Luis Munoz Marin Intl

Fri 6/2

13:22-16:37

Nonstop5h 15m

£167

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 April, then book flights to San Juan Luis Munoz Marin Intl Airport from Chicago O'Hare Intl Airport during January instead. Flights to San Juan Luis Munoz Marin Intl Airport in January, while not as cheap as those in April, still average around £260.

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 £253 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 December 2025, prices for Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport flights are approximately 35% 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 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