Direct (nonstop) flights from San Juan to Boston

4 airlines fly nonstop from Luis Munoz Marin International (SJU) to Boston Logan International Airport (BOS). It's 1,675 miles (2,695 km), about 4h 12m in the air. Operated by JetBlue Airways, Delta Air Lines, Frontier Airlines and others.

SJU
Luis Munoz Marin International
🇵🇷 San Juan, Puerto Rico
BOS
Boston Logan International Airport
🇺🇸 Boston, USA
Flight Time
4h 12m
Distance
1,675 mi
2,695 km
CO₂/pax
283 kg
−41 kg vs. layover
Airlines
4
JetBlue Airways +3
Time Diff
Same timezone
Operated by JetBlue Airways JetBlue Airways Delta Air Lines Delta Air Lines Frontier Airlines Frontier Airlines Spirit Airlines Spirit Airlines

Route data last updated: May 27, 2026

Airlines with non-stop flights

JetBlue Airways B6 JetBlue Airways
Route
SJU → BOS
Flight Time
4h 12m
Distance
1,675 mi
Delta Air Lines DL Delta Air Lines
Route
SJU → BOS
Flight Time
4h 12m
Distance
1,675 mi
Frontier Airlines F9 Frontier Airlines
Route
SJU → BOS
Flight Time
4h 12m
Distance
1,675 mi
Spirit Airlines NK Spirit Airlines
Route
SJU → BOS
Flight Time
4h 12m
Distance
1,675 mi

Alternative Routes

Other ways to fly from San Juan to Boston with one stop · direct emits 283 kg CO₂ per passenger

SJU STT (Saint Thomas) BOS
Leg 1: 39m (68 mi) Leg 2: 4h 21m (1,693 mi) Total: ~5h 🍃 324 kg CO₂ (+14% vs. direct)
Leg 1
SJU → STT
39m · 68 mi
View SJU to STT flights →
Leg 2
STT → BOS
4h 21m · 1,693 mi
View STT to BOS flights →
SJU SDQ (Santo Domingo) BOS
Leg 1: 1h 3m (240 mi) Leg 2: 4h 6m (1,650 mi) Total: ~5h 9m 🍃 349 kg CO₂ (+23% vs. direct)
Leg 1
SJU → SDQ
1h 3m · 240 mi
View SJU to SDQ flights →
Leg 2
SDQ → BOS
4h 6m · 1,650 mi
View SDQ to BOS flights →
SJU STI (Santiago) BOS
Leg 1: 1h 15m (308 mi) Leg 2: 3h 58m (1,582 mi) Total: ~5h 13m 🍃 349 kg CO₂ (+23% vs. direct)
Leg 1
SJU → STI
1h 15m · 308 mi
View SJU to STI flights →
Leg 2
STI → BOS
3h 58m · 1,582 mi
View STI to BOS flights →
SJU PUJ (Punta Cana) BOS
Leg 1: 1h 1m (155 mi) Leg 2: 4h 15m (1,647 mi) Total: ~5h 16m 🍃 332 kg CO₂ (+17% vs. direct)
Leg 1
SJU → PUJ
1h 1m · 155 mi
View SJU to PUJ flights →
Leg 2
PUJ → BOS
4h 15m · 1,647 mi
View PUJ to BOS flights →
SJU JFK (New York) BOS
Leg 1: 4h 5m (1,598 mi) Leg 2: 1h 20m (186 mi) Total: ~5h 25m 🍃 330 kg CO₂ (+17% vs. direct)
Leg 1
SJU → JFK
4h 5m · 1,598 mi
View SJU to JFK flights →
Leg 2
JFK → BOS
1h 20m · 186 mi
View JFK to BOS flights →

Looking for the return flight?

BOS → SJU: Flights from Boston to San Juan

Frequently Asked Questions

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

A nonstop flight from San Juan (SJU) to Boston (BOS) takes approximately 4 hours and 12 minutes. The distance is 1,675 miles (2,695 km).

Which airlines fly nonstop from San Juan to Boston?

4 airlines: JetBlue Airways, Delta Air Lines, Frontier Airlines, Spirit Airlines.

Is there a nonstop flight from San Juan to Boston?

Yes. 4 airlines: JetBlue Airways, Delta Air Lines, Frontier Airlines, Spirit Airlines.

How far is San Juan from Boston?

The flight distance from San Juan to Boston is 1,675 miles (2,695 km), measured as the great-circle (shortest air) distance.

What type of aircraft flies from San Juan to Boston?

At 4h 12m, 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 Puerto Rico to USA?

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

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

Roughly 283 kg CO2 per passenger one-way. That's about the same as driving 1,415 km.

Is the return flight from Boston to San Juan 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 San Juan to Boston?

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 Luis Munoz Marin International for this flight?

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