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Fares from Ontario to San Juan
Compare live prices for ONT to SJU on Thu, 16 Apr 2026. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
ONT → SJU Approx. 5369.84 km 16 Apr 2026 Live inventory
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ONT→SJU

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Showing 25 of 135 live flights
AMERICAN AIRLINES
AA-2463
12:19
04/16/2026
ONT
16h 13m
2 Stops
⏱ PHX · 3h 40m⏱ DFW · 1h 10m
04:32
04/17/2026
+1
SJU
₹20,983
per person
✕ Non-refundable🔥 Last 1 seats11 fare options
American Airlines
AA-2746
07:00
04/16/2026
LAX
16h 2m
1 Stop
⏱ DFW · 5h 9m
23:02
04/16/2026
SJU
₹22,385
per person
✕ Non-refundable🔥 Last 5 seats3 fare options
American Airlines
AA-1203
16:40
04/16/2026
LAX
11h 52m
1 Stop
⏱ DFW · 1h 10m
04:32
04/17/2026
+1
SJU
₹24,328
per person
✕ Non-refundable🔥 Last 1 seats7 fare options
American Airlines
AA-2462
14:08
04/16/2026
ONT
14h 24m
1 Stop
⏱ DFW · 3h 44m
04:32
04/17/2026
+1
SJU
₹24,713
per person
✕ Non-refundable🔥 Last 1 seats17 fare options
American Airlines
AA-1412
06:00
04/16/2026
ONT
17h 2m
1 Stop
⏱ DFW · 6h 14m
23:02
04/16/2026
SJU
₹24,713
per person
✕ Non-refundable🔥 Last 1 seats18 fare options
AMERICAN AIRLINES
AA-1412
06:00
04/16/2026
ONT
22h 32m
1 Stop
⏱ DFW · 11h 54m
04:32
04/17/2026
+1
SJU
₹24,713
per person
✕ Non-refundable🔥 Last 1 seats12 fare options
Southwest Airlines
WN-29
07:55
04/16/2026
LAX
16h 0m
3 Stops
⏱ DAL · 2h 25m⏱ MEM · 0h 45m⏱ MCO · 0h 45m
23:55
04/16/2026
SJU
₹27,560
per person
✓ Refundable🔥 Last 2 seats4 fare options
Southwest Airlines
WN-2827
06:45
04/16/2026
LAX
17h 10m
2 Stops
⏱ AUS · 4h 0m⏱ MCO · 1h 55m
23:55
04/16/2026
SJU
₹27,560
per person
✕ Non-refundable🔥 Last 4 seats
Southwest Airlines
WN-1092
06:00
04/16/2026
LAX
17h 25m
3 Stops
⏱ DAL · 0h 40m⏱ AUS · 3h 45m⏱ TPA · 0h 40m
23:25
04/16/2026
SJU
₹27,560
per person
✓ Refundable🔥 Last 3 seats4 fare options
Southwest Airlines
WN-1092
06:00
04/16/2026
LAX
17h 55m
3 Stops
⏱ DAL · 0h 40m⏱ AUS · 2h 45m⏱ MCO · 1h 55m
23:55
04/16/2026
SJU
₹27,560
per person
✓ Refundable4 fare options
American Airlines
AA-2461
10:59
04/16/2026
ONT
17h 33m
1 Stop
⏱ DFW · 6h 59m
04:32
04/17/2026
+1
SJU
₹27,973
per person
✕ Non-refundable🔥 Last 1 seats14 fare options
American Airlines
AA-3136
07:30
04/16/2026
ONT
15h 32m
1 Stop
⏱ DFW · 4h 49m
23:02
04/16/2026
SJU
₹27,973
per person
✕ Non-refundable🔥 Last 1 seats18 fare options
American Airlines
AA-2461
10:59
04/16/2026
ONT
12h 3m
1 Stop
⏱ DFW · 1h 19m
23:02
04/16/2026
SJU
₹27,973
per person
✕ Non-refundable🔥 Last 1 seats13 fare options
AMERICAN AIRLINES
AA-3136
07:30
04/16/2026
ONT
21h 2m
1 Stop
⏱ DFW · 10h 29m
04:32
04/17/2026
+1
SJU
₹27,973
per person
✕ Non-refundable🔥 Last 1 seats11 fare options
AMERICAN AIRLINES
AA-2463
12:19
04/16/2026
ONT
16h 13m
2 Stops
⏱ PHX · 2h 20m⏱ DFW · 2h 29m
04:32
04/17/2026
+1
SJU
₹27,973
per person
✕ Non-refundable🔥 Last 1 seats6 fare options
AMERICAN AIRLINES
AA-2463
12:19
04/16/2026
ONT
16h 13m
2 Stops
⏱ PHX · 1h 35m⏱ DFW · 3h 13m
04:32
04/17/2026
+1
SJU
₹27,973
per person
✕ Non-refundable🔥 Last 1 seats6 fare options
American Airlines
AA-2463
12:19
04/16/2026
ONT
32h 32m
2 Stops
⏱ PHX · 9h 30m⏱ CLT · 11h 4m
20:51
04/17/2026
+1
SJU
₹28,054
per person
✕ Non-refundable🔥 Last 1 seats
United Airlines
UA-744
06:45
04/16/2026
LAX
13h 53m
1 Stop
⏱ IAH · 2h 57m
20:38
04/16/2026
SJU
₹28,148
per person
✕ Non-refundable5 fare options
American Airlines
AA-1224
09:00
04/16/2026
LAX
14h 2m
1 Stop
⏱ DFW · 3h 9m
23:02
04/16/2026
SJU
₹29,548
per person
✕ Non-refundable7 fare options
American Airlines
AA-1499
06:05
04/16/2026
LAX
14h 46m
1 Stop
⏱ CLT · 3h 12m
20:51
04/16/2026
SJU
₹29,548
per person
✕ Non-refundable7 fare options
American Airlines
AA-2766
08:00
04/16/2026
LAX
15h 2m
1 Stop
⏱ DFW · 4h 9m
23:02
04/16/2026
SJU
₹29,560
per person
✕ Non-refundable3 fare options
American Airlines
AA-839
06:20
04/16/2026
LAX
15h 45m
1 Stop
⏱ PHL · 3h 23m
22:05
04/16/2026
SJU
₹29,560
per person
✕ Non-refundable3 fare options
American Airlines
AA-2920
16:39
04/16/2026
SNA
11h 53m
1 Stop
⏱ DFW · 1h 15m
04:32
04/17/2026
+1
SJU
₹29,918
per person
✕ Non-refundable7 fare options
American Airlines
AA-2901
09:30
04/16/2026
SNA
13h 32m
1 Stop
⏱ DFW · 2h 44m
23:02
04/16/2026
SJU
₹29,930
per person
✕ Non-refundable🔥 Last 5 seats3 fare options
Southwest Airlines
WN-3526
09:20
04/16/2026
ONT
14h 35m
2 Stops
⏱ AUS · 1h 35m⏱ MCO · 1h 55m
23:55
04/16/2026
SJU
₹30,000
per person
✕ Non-refundable4 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 16 Apr 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.