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Ontario (ONT) to San Juan (SJU) Flights from ₹42,029

Fares on this route currently start from ₹42,029. Compare live ONT to SJU prices, non-stop and connecting flights, departure times and airline choices before booking. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
ONT → SJU Approx. 5369.84 km 04 Jun 2026 Live inventory
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Showing 25 of 127 live flights
United Airlines
UA-1936
05:45
06/04/2026
ONT
Ontario International Airport
14h 53m
1 Stop
⏱ IAH · 3h 59mIAH Airport
20:38
06/04/2026
SJU
Luis Munoz Marin International Airport
₹42,029
per person
✕ Non-refundable7 fare options
United Airlines
UA-1316
18:30
06/04/2026
ONT
Ontario International Airport
18h 4m
2 Stops
⏱ DEN · 2h 8mDEN Airport⏱ IAD · 3h 7mIAD Airport
12:34
06/05/2026
+1
SJU
Luis Munoz Marin International Airport
₹42,253
per person
✕ Non-refundable🔥 Last 2 seats2 fare options
Southwest Airlines
WN-2251
08:55
06/04/2026
LAX
Ontario International Airport
15h 10m
2 Stops
⏱ AUS · 0h 55mAUS Airport⏱ MCO · 2h 35mMCO Airport
00:05
06/05/2026
+1
SJU
Luis Munoz Marin International Airport
₹43,253
per person
✓ Refundable🔥 Last 4 seats3 fare options
Southwest Airlines
WN-2251
08:55
06/04/2026
LAX
Ontario International Airport
15h 10m
2 Stops
⏱ AUS · 1h 35mAUS Airport⏱ MCO · 1h 50mMCO Airport
00:05
06/05/2026
+1
SJU
Luis Munoz Marin International Airport
₹43,253
per person
✓ Refundable🔥 Last 2 seats3 fare options
Southwest Airlines
WN-2251
08:55
06/04/2026
LAX
Ontario International Airport
16h 25m
2 Stops
⏱ AUS · 0h 55mAUS Airport⏱ MCO · 3h 55mMCO Airport
01:20
06/05/2026
+1
SJU
Luis Munoz Marin International Airport
₹43,253
per person
✓ Refundable🔥 Last 1 seats3 fare options
Southwest Airlines
WN-2943
05:55
06/04/2026
LAX
Ontario International Airport
17h 40m
3 Stops
⏱ DEN · 0h 40mDEN Airport⏱ BHM · 0h 40mBHM Airport⏱ TPA · 3h 45mTPA Airport
23:35
06/04/2026
SJU
Luis Munoz Marin International Airport
₹43,253
per person
✓ Refundable🔥 Last 3 seats3 fare options
Southwest Airlines
WN-3147
14:30
06/04/2026
ONT
Ontario International Airport
18h 30m
2 Stops
⏱ DEN · 2h 5mDEN Airport⏱ MCO · 4h 30mMCO Airport
09:00
06/05/2026
+1
SJU
Luis Munoz Marin International Airport
₹43,253
per person
✓ Refundable🔥 Last 3 seats3 fare options
Southwest Airlines
WN-3086
14:10
06/04/2026
SNA
Ontario International Airport
18h 50m
2 Stops
⏱ DEN · 2h 15mDEN Airport⏱ MCO · 4h 30mMCO Airport
09:00
06/05/2026
+1
SJU
Luis Munoz Marin International Airport
₹43,253
per person
✓ Refundable🔥 Last 1 seats3 fare options
Southwest Airlines
WN-3140
13:45
06/04/2026
BUR
Ontario International Airport
19h 15m
2 Stops
⏱ BNA · 0h 45mBNA Airport⏱ MCO · 6h 35mMCO Airport
09:00
06/05/2026
+1
SJU
Luis Munoz Marin International Airport
₹43,253
per person
✓ Refundable🔥 Last 4 seats3 fare options
American Airlines
AA-3016
10:20
06/04/2026
LAX
Ontario International Airport
11h 38m
1 Stop
⏱ MIA · 0h 40mMIA Airport
21:58
06/04/2026
SJU
Luis Munoz Marin International Airport
₹45,144
per person
✕ Non-refundable7 fare options
American Airlines
AA-315
06:31
06/04/2026
LAX
Ontario International Airport
11h 54m
1 Stop
⏱ MIA · 1h 2mMIA Airport
18:25
06/04/2026
SJU
Luis Munoz Marin International Airport
₹45,144
per person
✕ Non-refundable🔥 Last 2 seats7 fare options
American Airlines
AA-315
06:31
06/04/2026
LAX
Ontario International Airport
15h 27m
1 Stop
⏱ MIA · 4h 33mMIA Airport
21:58
06/04/2026
SJU
Luis Munoz Marin International Airport
₹45,384
per person
✕ Non-refundable🔥 Last 5 seats3 fare options
American Airlines
AA-1151
07:02
06/04/2026
LAX
Ontario International Airport
15h 58m
1 Stop
⏱ PHL · 3h 38mPHL Airport
23:00
06/04/2026
SJU
Luis Munoz Marin International Airport
₹45,384
per person
✕ Non-refundable3 fare options
American Airlines
AA-1451
06:00
06/04/2026
LAX
Ontario International Airport
17h 0m
1 Stop
⏱ PHL · 4h 38mPHL Airport
23:00
06/04/2026
SJU
Luis Munoz Marin International Airport
₹45,384
per person
✕ Non-refundable3 fare options
American Airlines
AA-2238
10:22
06/04/2026
ONT
Ontario International Airport
23h 17m
2 Stops
⏱ DFW · 4h 37mDFW Airport⏱ MIA · 7h 1mMIA Airport
09:39
06/05/2026
+1
SJU
Luis Munoz Marin International Airport
₹45,629
per person
✕ Non-refundable🔥 Last 4 seats3 fare options
United Airlines
UA-1316
18:30
06/04/2026
ONT
Ontario International Airport
17h 34m
2 Stops
⏱ DEN · 2h 8mDEN Airport⏱ EWR · 2h 22mEWR Airport
12:04
06/05/2026
+1
SJU
Luis Munoz Marin International Airport
₹45,856
per person
✕ Non-refundable🔥 Last 5 seats2 fare options
Southwest Airlines
WN-2251
08:55
06/04/2026
LAX
Ontario International Airport
16h 25m
2 Stops
⏱ AUS · 3h 15mAUS Airport⏱ MCO · 1h 35mMCO Airport
01:20
06/05/2026
+1
SJU
Luis Munoz Marin International Airport
₹46,097
per person
✓ Refundable🔥 Last 1 seats3 fare options
Southwest Airlines
WN-2251
08:55
06/04/2026
LAX
Ontario International Airport
16h 25m
2 Stops
⏱ AUS · 1h 35mAUS Airport⏱ MCO · 3h 10mMCO Airport
01:20
06/05/2026
+1
SJU
Luis Munoz Marin International Airport
₹46,097
per person
✓ Refundable🔥 Last 4 seats3 fare options
Southwest Airlines
WN-2392
14:55
06/04/2026
LAX
Ontario International Airport
18h 5m
2 Stops
⏱ DEN · 1h 30mDEN Airport⏱ MCO · 4h 30mMCO Airport
09:00
06/05/2026
+1
SJU
Luis Munoz Marin International Airport
₹46,097
per person
✓ Refundable3 fare options
United Airlines
UA-2403
17:45
06/04/2026
LAX
Ontario International Airport
11h 44m
1 Stop
⏱ IAH · 0h 42mIAH Airport
05:29
06/05/2026
+1
SJU
Luis Munoz Marin International Airport
₹46,559
per person
✕ Non-refundable🔥 Last 5 seats7 fare options
United Airlines
UA-2755
19:45
06/04/2026
LAX
Ontario International Airport
16h 19m
2 Stops
⏱ DEN · 0h 44mDEN Airport⏱ EWR · 2h 22mEWR Airport
12:04
06/05/2026
+1
SJU
Luis Munoz Marin International Airport
₹46,559
per person
✕ Non-refundable🔥 Last 5 seats5 fare options
Southwest Airlines
WN-345
11:50
06/04/2026
SNA
Ontario International Airport
13h 30m
2 Stops
⏱ AUS · 1h 15mAUS Airport⏱ MCO · 0h 35mMCO Airport
01:20
06/05/2026
+1
SJU
Luis Munoz Marin International Airport
₹47,047
per person
✓ Refundable🔥 Last 2 seats3 fare options
Southwest Airlines
WN-1538
18:05
06/04/2026
SNA
Ontario International Airport
16h 40m
2 Stops
⏱ DEN · 2h 30mDEN Airport⏱ MCO · 2h 10mMCO Airport
10:45
06/05/2026
+1
SJU
Luis Munoz Marin International Airport
₹47,047
per person
✓ Refundable🔥 Last 4 seats3 fare options
American Airlines
AA-864
19:13
06/04/2026
ONT
Ontario International Airport
14h 26m
2 Stops
⏱ PHX · 1h 30mPHX Airport⏱ MIA · 1h 39mMIA Airport
09:39
06/05/2026
+1
SJU
Luis Munoz Marin International Airport
₹47,278
per person
✕ Non-refundable9 fare options
American Airlines
AA-2244
13:11
06/04/2026
ONT
Ontario International Airport
15h 14m
2 Stops
⏱ PHX · 2h 41mPHX Airport⏱ DFW · 0h 47mDFW Airport
04:25
06/05/2026
+1
SJU
Luis Munoz Marin International Airport
₹47,278
per person
✓ Refundable7 fare options
😕 No flights match your filters.
Ontario (ONT)
📍 Ontario International Airport
🌍 United States
🕐 GMT -8
📐 Latitude: 34.055999755859375
📐 Longitude: -117.60099792480469
San Juan (SJU)
📍 Luis Munoz Marin International Airport
🌍 Puerto Rico
🕐 GMT -4
📐 Latitude: 18.4393997192
📐 Longitude: -66.0018005371

✈ Distance: Ontario,USA to San Juan,Puerto Rico — 5369.84 km

📅 Results on this page are loaded for 04 Jun 2026. Click View all flights for the complete live search.

Ontario to San Juan — what to expect when booking

The ONT–SJU route is served by multiple carriers throughout the year. Fares on this route can move quickly — a price available now may not be there 30 minutes later.

If your dates are flexible, try shifting your departure by a day or two using the date strip above. Mid-week departures often show lower base fares compared to weekend starts on many routes.

The distance between Ontario,USA and San Juan,Puerto Rico is approximately 5369.84 km.

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More flights from Ontario (ONT)
14 routes
Ontario → Chicago
ONT → MDW
Ontario → Denver
ONT → DEN
Ontario → Fort Worth
ONT → DFW
Ontario → Guadalajara
ONT → GDL
Ontario → Houston
ONT → IAH
Ontario → Las Vegas
ONT → LAS
Ontario → Oakland
ONT → OAK
Ontario → Phoenix
ONT → PHX
Ontario → Portland International
ONT → PDX
Ontario → Sacramento
ONT → SMF
Ontario → Salt Lake City
ONT → SLC
Ontario → San Francisco
ONT → SFO
Ontario → San Jose
ONT → SJC
Ontario → Seattle
ONT → SEA
More flights from San Juan (SJU)
46 routes
San Juan → Anguilla
SJU → AXA
San Juan → Antigua
SJU → ANU
San Juan → Atlanta
SJU → ATL
San Juan → Beef Island
SJU → EIS
San Juan → Bogota
SJU → BOG
San Juan → Boston
SJU → BOS
San Juan → Caracas
SJU → CCS
San Juan → Casa de Campo
SJU → LRM
San Juan → Charlotte
SJU → CLT
San Juan → Chicago
SJU → ORD
San Juan → Culebra Island
SJU → CPX
San Juan → Detroit
SJU → DTW
San Juan → Fort de France
SJU → FDF
San Juan → Fort Lauderdale
SJU → FLL
San Juan → Fort Worth
SJU → DFW
San Juan → Frankfurt
SJU → FRA
San Juan → Gustavia
SJU → SBH
San Juan → Hartford
SJU → BDL
San Juan → Houston
SJU → IAH
San Juan → Jacksonville
SJU → JAX
San Juan → Mayaguez
SJU → MAZ
San Juan → Melville Hall
SJU → DOM
San Juan → Miami
SJU → MIA
San Juan → Nevis
SJU → NEV
San Juan → New York
SJU → JFK
San Juan → Ontario
SJU → ONT
San Juan → Orlando
SJU → MCO
San Juan → Panama City
SJU → PTY
San Juan → Philadelphia
SJU → PHL
San Juan → Pointe a Pitre
SJU → PTP
San Juan → Providenciales
SJU → PLS
San Juan → Puerto Plata
SJU → POP
San Juan → Punta Cana
SJU → PUJ
San Juan → Samana
SJU → AZS
San Juan → Santiago de los Caballeros
SJU → STI
San Juan → Santo Domingo
SJU → SDQ
San Juan → St. Croix
SJU → STX
San Juan → St. Kitts
SJU → SKB
San Juan → St. Marteen
SJU → SXM
San Juan → St. Thomas
SJU → STT
San Juan → Tampa
SJU → TPA
San Juan → Toronto
SJU → YYZ
San Juan → Vieques
SJU → VQS
San Juan → Virgin Gorda
SJU → VIJ
San Juan → Washington DC
SJU → DCA
San Juan → West Palm Beach
SJU → PBI
❓ Frequently asked questions — Ontario to San Juan flights

Generally yes — fares on most routes are most competitive around 4–6 weeks before departure. Booking earlier usually means better availability and a lower base fare when your dates are fixed.

The straight-line distance between Ontario,USA (ONT) and San Juan,Puerto Rico (SJU) is approximately 5369.84 km. Actual flying distance may vary slightly depending on routing.

Non-stop availability on this route varies by airline schedule and season. Use the filters below to quickly check whether direct options are available on your selected date.

Mid-week departures often show lower prices than weekend travel on many routes. Use the date strip above to compare nearby days quickly.