Direct (nonstop) flights from Chicago to San Juan

5 airlines fly nonstop from Chicago O Hare International (ORD) to Luis Munoz Marin International (SJU). It's 2,071 miles (3,333 km), about 4h 43m in the air. Operated by American Airlines, Frontier Airlines, Spirit Airlines and others.

ORD
Chicago O Hare International
🇺🇸 Chicago, USA
SJU
Luis Munoz Marin International
🇵🇷 San Juan, Puerto Rico
Flight Time
4h 43m
Distance
2,071 mi
3,333 km
CO₂/pax
350 kg
−52 kg vs. layover
Airlines
5
American Airlines +4
Time Diff
+1h
Operated by American Airlines American Airlines Frontier Airlines Frontier Airlines Spirit Airlines Spirit Airlines United Airlines United Airlines Southwest Airlines Southwest Airlines

Route data last updated: May 26, 2026

Airlines with non-stop flights

American Airlines AA American Airlines
Route
ORD → SJU
Flight Time
4h 43m
Distance
2,071 mi
Frontier Airlines F9 Frontier Airlines
Route
ORD → SJU
Flight Time
4h 43m
Distance
2,071 mi
Spirit Airlines NK Spirit Airlines
Route
ORD → SJU
Flight Time
4h 43m
Distance
2,071 mi
United Airlines UA United Airlines
Route
ORD → SJU
Flight Time
4h 43m
Distance
2,071 mi
Southwest Airlines WN Southwest Airlines
Route
ORD → SJU
Flight Time
4h 43m
Distance
2,071 mi

Alternative Routes

Other ways to fly from Chicago to San Juan with one stop · direct emits 350 kg CO₂ per passenger

ORD JAX (Jacksonville) SJU
Leg 1: 2h 33m (864 mi) Leg 2: 2h 58m (1,287 mi) Total: ~5h 31m 🍃 402 kg CO₂ (+15% vs. direct)
Leg 1
ORD → JAX
2h 33m · 864 mi
View ORD to JAX flights →
Leg 2
JAX → SJU
2h 58m · 1,287 mi
View JAX to SJU flights →
ORD IND (Indianapolis) SJU
Leg 1: 1h 12m (177 mi) Leg 2: 4h 20m (1,901 mi) Total: ~5h 32m 🍃 379 kg CO₂ (+8% vs. direct)
Leg 1
ORD → IND
1h 12m · 177 mi
View ORD to IND flights →
Leg 2
IND → SJU
4h 20m · 1,901 mi
View IND to SJU flights →
ORD STT (Saint Thomas) SJU
Leg 1: 4h 48m (2,115 mi) Leg 2: 45m (68 mi) Total: ~5h 33m 🍃 395 kg CO₂ (+13% vs. direct)
Leg 1
ORD → STT
4h 48m · 2,115 mi
View ORD to STT flights →
Leg 2
STT → SJU
45m · 68 mi
View STT to SJU flights →
ORD STX (Saint Croix) SJU
Leg 1: 4h 44m (2,157 mi) Leg 2: 50m (94 mi) Total: ~5h 34m 🍃 407 kg CO₂ (+16% vs. direct)
Leg 1
ORD → STX
4h 44m · 2,157 mi
View ORD to STX flights →
Leg 2
STX → SJU
50m · 94 mi
View STX to SJU flights →
ORD RDU (Raleigh/Durham) SJU
Leg 1: 2h 8m (646 mi) Leg 2: 3h 27m (1,432 mi) Total: ~5h 35m 🍃 386 kg CO₂ (+10% vs. direct)
Leg 1
ORD → RDU
2h 8m · 646 mi
View ORD to RDU flights →
Leg 2
RDU → SJU
3h 27m · 1,432 mi
View RDU to SJU flights →

Frequently Asked Questions

How long is the direct flight from Chicago to San Juan?

A nonstop flight from Chicago (ORD) to San Juan (SJU) takes approximately 4 hours and 43 minutes. The distance is 2,071 miles (3,333 km).

Which airlines fly nonstop from Chicago to San Juan?

5 airlines: American Airlines, Frontier Airlines, Spirit Airlines, United Airlines, Southwest Airlines.

Is there a nonstop flight from Chicago to San Juan?

Yes. 5 airlines: American Airlines, Frontier Airlines, Spirit Airlines, United Airlines, Southwest Airlines.

How far is Chicago from San Juan?

The flight distance from Chicago to San Juan is 2,071 miles (3,333 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Los Angeles.

What is the time difference between Chicago and San Juan?

San Juan is 1 hour ahead of Chicago. (America/Chicago vs America/Puerto_Rico.)

What type of aircraft flies from Chicago to San Juan?

At 4h 43m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.

Do I need a visa to travel from USA to Puerto Rico?

Depends on your passport. Check with the Puerto Rico embassy or an official visa portal before booking — requirements change.

What is the carbon footprint of a flight from Chicago to San Juan?

Roughly 350 kg CO2 per passenger one-way. That's about the same as driving 1,750 km.

Is the return flight from San Juan to Chicago also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from Chicago to San Juan?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.

How early should I arrive at Chicago O Hare International for this flight?

3 hours before departure for international flights. You need time for check-in, security, and immigration.