Chicago (ORD) to San Juan (SJU) is about 2,074 miles (3,338 km), roughly 4 h 40 min of flying time. San Juan is 2 hours ahead of Chicago in January, and 1 hour ahead of Chicago in July.
When is the cheapest time to fly from Chicago to San Juan?
Lowest round-trip fares found in recent searches for each month (7 to 14 day trips). Pick a cheap month, then confirm the live price.
Are there nearby airports that could be cheaper?
Fares at a neighboring airport are sometimes lower. Worth comparing on this route:
- MDWChicago Midway International Airport closer to downtown and the South Side.
What ID do I need for this flight?
For domestic US flights, adults need a REAL ID-compliant license or another TSA-accepted ID, such as a passport. Read our REAL ID guide.
Need a car in San Juan?
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Frequently asked questions
How far is Chicago from San Juan by plane?
The great-circle distance between ORD and SJU is about 2,074 miles (3,338 km).
How long does it take to fly from Chicago to San Juan?
About 4 h 40 min of flying time based on distance, if a nonstop flight operates. Actual schedules vary by airline and wind, and itineraries with connections take longer.
What is the time difference between Chicago and San Juan?
San Juan is 2 hours ahead of Chicago in January, and 1 hour ahead of Chicago in July.
Distance and flying time are calculated from airport coordinates (OurAirports data) and a typical cruise speed; they are planning estimates, not schedules. Updated 2026-10-28.
