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

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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SJU
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 4 November 2025.

Round-trip from

£166

One-way from

£87

Popular in

December

Cheapest in

January

Average price

£289
United Airlines
  • United Airlines
  • 19/1-23/1
  • Nonstop
  • 10h 13m total
  • Chicago to San Juan
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Delta
  • Delta
  • 3/2
  • 1 total stop
  • 7h 51m total
  • Chicago to San Juan
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£11 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Find 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 4 November 2025.

Thu 25/1206:45ORD - SJU
1 stop7h 41mJetBlue
Tue 6/111:15SJU - ORD
1 stop10h 30mJetBlue
Deal found 2/11£234
Wed 31/1210:46ORD - SJU
1 stop8h 23mDelta
Fri 16/114:15SJU - ORD
1 stop11h 42mDelta
Deal found 2/11£237
Thu 13/1106:45ORD - SJU
1 stop9h 35mJetBlue
Tue 18/1112:30SJU - ORD
1 stop10h 22mJetBlue
Deal found 3/11£251
Fri 12/1214:20ORD - SJU
Nonstop4h 40mUnited Airlines
Fri 30/102:05SJU - ORD
1 stop9h 35mUnited Airlines
Deal found 2/11£256
Thu 27/1114:20ORD - SJU
Nonstop4h 40mUnited Airlines
Wed 3/1208:10SJU - ORD
Nonstop5h 22mUnited Airlines
Deal found 3/11£264
Thu 11/1214:20ORD - SJU
Nonstop4h 40mUnited Airlines
Wed 17/1208:10SJU - ORD
Nonstop5h 22mUnited Airlines
Deal found 2/11£288
Mon 24/1107:00ORD - SJU
1 stop8h 20mDelta
Wed 3/1207:15SJU - ORD
1 stop12h 31mDelta
Deal found 4/11£290
Thu 20/1113:43ORD - SJU
1 stop10h 14mJetBlue
Wed 3/1213:45SJU - ORD
1 stop10h 07mJetBlue
Deal found 2/11£296
Fri 28/1113:45ORD - SJU
2 stops8h 50mSouthwest
Fri 19/1205:35SJU - ORD
2 stops8h 40mSouthwest
Deal found 3/11£301
Sat 13/1213:45ORD - SJU
2 stops8h 45mSouthwest
Thu 22/106:10SJU - ORD
2 stops17h 40mSouthwest
Deal found 3/11£302

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 4 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

O'Hare Intl

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sun 8/2

14:20-21:00

Nonstop4h 40m

San Juan Luis Munoz Marin Intl

Fri 13/2

16:52-20:20

Nonstop5h 28m

£234

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 10/2

05:40-16:36

1 stop8h 56m

San Juan Luis Munoz Marin Intl

Fri 13/2

08:35-11:57

Nonstop5h 22m

£238

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Thu 29/1

14:20-21:00

Nonstop4h 40m

San Juan Luis Munoz Marin Intl

Wed 4/2

17:50-23:39

1 stop7h 49m

£238

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sun 8/2

14:20-21:00

Nonstop4h 40m

San Juan Luis Munoz Marin Intl

Tue 10/2

02:05-09:40

1 stop9h 35m

£238

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Wed 4/2

14:20-21:00

Nonstop4h 40m

San Juan Luis Munoz Marin Intl

Sat 7/2

02:05-09:40

1 stop9h 35m

£239

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Wed 4/2

08:54-21:26

1 stop10h 32m

San Juan Luis Munoz Marin Intl

Thu 12/2

08:10-14:20

1 stop8h 10m

£241

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Mon 26/1

13:00-22:22

1 stop7h 22m

San Juan Luis Munoz Marin Intl

Tue 3/2

02:05-09:40

1 stop9h 35m

£241

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Thu 15/1

14:20-21:00

Nonstop4h 40m

San Juan Luis Munoz Marin Intl

Thu 22/1

08:35-11:57

Nonstop5h 22m

£253

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 20/1

14:20-21:00

Nonstop4h 40m

San Juan Luis Munoz Marin Intl

Sat 24/1

02:05-09:40

1 stop9h 35m

£263

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Thu 29/1

14:20-21:00

Nonstop4h 40m

San Juan Luis Munoz Marin Intl

Sat 31/1

02:05-09:40

1 stop9h 35m

£263

Flights are sorted by cheapest return flights first.

Deals found on 2/11

Showing 1-10 of 23 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 31 October 2025.

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, February 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 £97). Flying from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of £143). 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 4 November 2025.

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.

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 8h 56m. Fly via Delta or United Airlines 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 cheapest airlines to fly from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at £87. Southwest flights start at £87 while deals on Delta start at £87 one-way.

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

    Consider American Airlines (94%), Alaska Airlines (89%) or Spirit Airlines (72%) 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, February 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 £97). Flying from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of £143). 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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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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