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Cheap flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport from £77

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SJU
8 Mar — 15 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from O'Hare Intl to Luis Munoz Marin Intl

Enter your travel dates to find the best prices.

Cheapest flights from O'Hare Intl to Luis Munoz Marin Intl
Explore the most affordable flight options available from O'Hare Intl to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 February 2026.

Mon 4/505:15
ORD
-
SJU
1 stop14h 29m
Spirit Airlines
Fri 8/512:22
SJU
-
ORD
Nonstop5h 15m
Spirit Airlines
Deal found 4/2£144
Mon 24/818:34
ORD
-
SJU
1 stop15h 00m
Spirit Airlines
Fri 28/802:37
SJU
-
ORD
1 stop16h 38m
Spirit Airlines
Deal found 3/2£153
Tue 28/412:22
ORD
-
SJU
Nonstop4h 32m
Spirit Airlines
Fri 1/512:22
SJU
-
ORD
Nonstop5h 15m
Spirit Airlines
Deal found 3/2£154
Tue 18/818:34
ORD
-
SJU
1 stop15h 00m
Spirit Airlines
Fri 21/802:37
SJU
-
ORD
1 stop16h 38m
Spirit Airlines
Deal found 5/2£155
Mon 9/309:18
ORD
-
SJU
1 stop7h 40m
Multiple Airlines
Sat 14/315:12
SJU
-
ORD
1 stop9h 05m
Multiple Airlines
Deal found 5/2£166
Tue 5/508:49
ORD
-
SJU
Nonstop4h 55m
United Airlines
Sun 10/507:40
SJU
-
ORD
Nonstop5h 13m
United Airlines
Deal found 4/2£174
Wed 25/214:12
ORD
-
SJU
1 stop7h 44m
Delta
Fri 27/218:42
SJU
-
ORD
1 stop7h 14m
Delta
Deal found 3/2£181
Sun 26/414:38
ORD
-
SJU
Nonstop4h 56m
United Airlines
Fri 1/507:40
SJU
-
ORD
Nonstop5h 13m
United Airlines
Deal found 3/2£184
Fri 15/514:38
ORD
-
SJU
Nonstop4h 56m
United Airlines
Thu 21/507:40
SJU
-
ORD
Nonstop5h 13m
United Airlines
Deal found 4/2£188
Sat 21/214:20
ORD
-
SJU
Nonstop4h 40m
United Airlines
Wed 4/308:30
SJU
-
ORD
Nonstop5h 22m
United Airlines
Deal found 3/2£189
Tue 17/214:46
ORD
-
SJU
1 stop7h 12m
Delta
Wed 25/207:30
SJU
-
ORD
1 stop11h 21m
Delta
Deal found 3/2£196

Find flight deals from O'Hare Intl to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Luis Munoz Marin Intl (SJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 6 February 2026.

Round-trip from

£144

One-way from

£77

Popular in

December

Cheapest in

April

Average price

£264
Spirit Airlines
  • Spirit Airlines
  • 4/5-8/5
  • 1 total stop
  • 19h 44m total
  • Chicago to San Juan
Search Deals
Spirit Airlines
  • Spirit Airlines
  • 6/4
  • Nonstop
  • 4h 33m total
  • Chicago to San Juan
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£25 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from O'Hare Intl to Luis Munoz Marin Intl 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, Cheapflights users made 858,174 searches. Data last updated 6 February 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

O'Hare Intl

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Wed 6/5

14:38-20:34

Nonstop4h 56m

San Juan Luis Munoz Marin Intl

Sun 10/5

07:40-11:53

Nonstop5h 13m

£174

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sun 10/5

06:00-13:18

1 stop6h 18m

San Juan Luis Munoz Marin Intl

Fri 15/5

07:30-18:35

1 stop12h 05m

£181

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 12/5

08:10-16:15

1 stop7h 05m

San Juan Luis Munoz Marin Intl

Sat 16/5

14:20-20:34

1 stop7h 14m

£181

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sun 26/4

14:38-20:34

Nonstop4h 56m

San Juan Luis Munoz Marin Intl

Fri 1/5

07:40-11:53

Nonstop5h 13m

£184

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Fri 15/5

14:38-20:34

Nonstop4h 56m

San Juan Luis Munoz Marin Intl

Thu 21/5

07:40-11:53

Nonstop5h 13m

£188

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Wed 18/2

09:52-21:12

1 stop9h 20m

San Juan Luis Munoz Marin Intl

Sat 28/2

06:15-14:10

1 stop9h 55m

£196

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sun 22/2

06:45-17:27

1 stop8h 42m

San Juan Luis Munoz Marin Intl

Wed 25/2

07:30-16:51

1 stop11h 21m

£196

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Mon 27/7

14:38-20:34

Nonstop4h 56m

San Juan Luis Munoz Marin Intl

Thu 30/7

07:40-11:53

Nonstop5h 13m

£202

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Thu 26/2

05:25-17:27

1 stop10h 02m

San Juan Luis Munoz Marin Intl

Wed 4/3

07:00-13:29

1 stop8h 29m

£209

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 5/5

14:25-23:13

1 stop7h 48m

San Juan Luis Munoz Marin Intl

Sun 10/5

12:50-20:25

1 stop8h 35m

£209

Flights are sorted by cheapest return flights first.

Deals found on 3/2

Showing 1-10 of 19 results
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Best time to book a flight from O'Hare Intl to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from O'Hare Intl with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport

How far ahead should I book a flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the optimal time to book a return flight from O'Hare Intl to Luis Munoz Marin Intl. Price data was last updated on 30 January 2026.

The price you pay for your flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 49 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport (average of £93). Flying from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of £165). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ORD to SJU?

Find hourly flight availability from O'Hare Intl to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 February 2026.

Unlike at midday, when flights are generally more expensive, you can save up to 89% on flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport by exploring options for tickets in the afternoon.

How much does it cost for a return flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Luis Munoz Marin Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    There are many flights that can get you from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport in 4h 56m. Fly via United Airlines or Delta to get the fastest option. The distance from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport is about 2073 mi. This flight may include one or multiple stops.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    Consider United Airlines (77%), Air New Zealand (77%) or Air Canada (76%) when booking your flight. These represent the most reliable airlines when flying from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport.

  • Can I find deals for flights from O'Hare Intl to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Luis Munoz Marin Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Luis Munoz Marin Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Luis Munoz Marin Intl.

  • Can I find deals for business class flights from O'Hare Intl to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Luis Munoz Marin Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport (average of £93). Flying from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of £165). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Bayamón

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Can Cheapflights find flights from O'Hare Intl to Luis Munoz Marin Intl with no change fees?

Yes! Cheapflights helps users easily find flights from O'Hare Intl to Luis Munoz Marin Intl with no change fees.

Can Cheapflights notify me if prices for flights from O'Hare Intl to Luis Munoz Marin Intl become cheaper?

Not ready to book yet? You can track prices for flights from O'Hare Intl to Luis Munoz Marin Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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