Delta Air Lines
DL-2891
22:00
05/11/2026
ONT
Ontario International Airport
14h 1m
1 Stop
⏱ ATL · 3h 16mATL Airport
12:01
05/12/2026
+1
SJU
Luis Munoz Marin International Airport
₹22,701
per person
American Airlines
AA-2773
23:59
05/11/2026
ONT
Ontario International Airport
14h 43m
1 Stop
⏱ DFW · 4h 5mDFW Airport
14:42
05/12/2026
+1
SJU
Luis Munoz Marin International Airport
₹22,822
per person
American Airlines
AA-2458
23:29
05/11/2026
ONT
Ontario International Airport
12h 34m
1 Stop
⏱ CLT · 1h 21mCLT Airport
12:03
05/12/2026
+1
SJU
Luis Munoz Marin International Airport
₹22,822
per person
American Airlines
AA-2459
19:35
05/11/2026
ONT
Ontario International Airport
13h 38m
2 Stops
⏱ PHX · 1h 4mPHX Airport⏱ MIA · 1h 29mMIA Airport
09:13
05/12/2026
+1
SJU
Luis Munoz Marin International Airport
₹22,822
per person
American Airlines
AA-2458
23:29
05/11/2026
ONT
Ontario International Airport
15h 51m
1 Stop
⏱ CLT · 4h 36mCLT Airport
15:20
05/12/2026
+1
SJU
Luis Munoz Marin International Airport
₹22,822
per person
American Airlines
AA-2463
12:19
05/11/2026
ONT
Ontario International Airport
16h 13m
2 Stops
⏱ PHX · 1h 35mPHX Airport⏱ DFW · 3h 13mDFW Airport
04:32
05/12/2026
+1
SJU
Luis Munoz Marin International Airport
₹22,822
per person
American Airlines
AA-2463
12:19
05/11/2026
ONT
Ontario International Airport
16h 13m
2 Stops
⏱ PHX · 3h 40mPHX Airport⏱ DFW · 1h 10mDFW Airport
04:32
05/12/2026
+1
SJU
Luis Munoz Marin International Airport
₹22,822
per person
American Airlines
AA-4143
16:52
05/11/2026
ONT
Ontario International Airport
16h 21m
2 Stops
⏱ PHX · 3h 42mPHX Airport⏱ MIA · 1h 29mMIA Airport
09:13
05/12/2026
+1
SJU
Luis Munoz Marin International Airport
₹22,822
per person
American Airlines
AA-2459
19:35
05/11/2026
ONT
Ontario International Airport
15h 18m
2 Stops
⏱ PHX · 1h 4mPHX Airport⏱ MIA · 3h 9mMIA Airport
10:53
05/12/2026
+1
SJU
Luis Munoz Marin International Airport
₹22,822
per person
American Airlines
AA-2459
19:35
05/11/2026
ONT
Ontario International Airport
16h 28m
2 Stops
⏱ PHX · 1h 21mPHX Airport⏱ CLT · 3h 14mCLT Airport
12:03
05/12/2026
+1
SJU
Luis Munoz Marin International Airport
₹22,822
per person
American Airlines
AA-2459
19:35
05/11/2026
ONT
Ontario International Airport
15h 18m
2 Stops
⏱ PHX · 2h 56mPHX Airport⏱ MIA · 1h 20mMIA Airport
10:53
05/12/2026
+1
SJU
Luis Munoz Marin International Airport
₹22,822
per person
American Airlines
AA-2458
23:29
05/11/2026
ONT
Ontario International Airport
15h 23m
2 Stops
⏱ CLT · 1h 58mCLT Airport⏱ MIA · 1h 7mMIA Airport
14:52
05/12/2026
+1
SJU
Luis Munoz Marin International Airport
₹22,822
per person
American Airlines
AA-2459
19:35
05/11/2026
ONT
Ontario International Airport
16h 54m
2 Stops
⏱ PHX · 1h 4mPHX Airport⏱ MIA · 4h 44mMIA Airport
12:29
05/12/2026
+1
SJU
Luis Munoz Marin International Airport
₹22,824
per person
Southwest Airlines
WN-4576
21:55
05/11/2026
ONT
Ontario International Airport
12h 40m
2 Stops
⏱ LAS · 0h 45mLAS Airport⏱ MCO · 0h 35mMCO Airport
10:35
05/12/2026
+1
SJU
Luis Munoz Marin International Airport
₹23,578
per person
Southwest Airlines
WN-1695
05:30
05/11/2026
ONT
Ontario International Airport
18h 10m
2 Stops
⏱ DEN · 1h 25mDEN Airport⏱ BWI · 1h 5mBWI Airport
23:40
05/11/2026
SJU
Luis Munoz Marin International Airport
₹23,578
per person
Southwest Airlines
WN-3526
09:20
05/11/2026
ONT
Ontario International Airport
14h 5m
2 Stops
⏱ AUS · 2h 35mAUS Airport⏱ TPA · 0h 40mTPA Airport
23:25
05/11/2026
SJU
Luis Munoz Marin International Airport
₹23,578
per person
Southwest Airlines
WN-3680
17:30
05/11/2026
ONT
Ontario International Airport
17h 5m
2 Stops
⏱ SMF · 3h 55mSMF Airport⏱ MCO · 0h 45mMCO Airport
10:35
05/12/2026
+1
SJU
Luis Munoz Marin International Airport
₹23,578
per person
Southwest Airlines
WN-3681
20:45
05/11/2026
ONT
Ontario International Airport
13h 50m
2 Stops
⏱ SMF · 0h 40mSMF Airport⏱ MCO · 0h 45mMCO Airport
10:35
05/12/2026
+1
SJU
Luis Munoz Marin International Airport
₹23,578
per person
American Airlines
AA-2458
23:29
05/11/2026
ONT
Ontario International Airport
21h 22m
1 Stop
⏱ CLT · 10h 11mCLT Airport
20:51
05/12/2026
+1
SJU
Luis Munoz Marin International Airport
₹23,741
per person
American Airlines
AA-2459
19:35
05/11/2026
ONT
Ontario International Airport
16h 28m
2 Stops
⏱ PHX · 2h 14mPHX Airport⏱ CLT · 2h 14mCLT Airport
12:03
05/12/2026
+1
SJU
Luis Munoz Marin International Airport
₹23,891
per person
American Airlines
AA-2459
19:35
05/11/2026
ONT
Ontario International Airport
16h 28m
2 Stops
⏱ PHX · 3h 3mPHX Airport⏱ CLT · 1h 25mCLT Airport
12:03
05/12/2026
+1
SJU
Luis Munoz Marin International Airport
₹23,891
per person
American Airlines
AA-2459
19:35
05/11/2026
ONT
Ontario International Airport
16h 54m
2 Stops
⏱ PHX · 2h 56mPHX Airport⏱ MIA · 2h 55mMIA Airport
12:29
05/12/2026
+1
SJU
Luis Munoz Marin International Airport
₹23,891
per person
Southwest Airlines
WN-1363
16:25
05/11/2026
ONT
Ontario International Airport
18h 10m
2 Stops
⏱ SMF · 4h 55mSMF Airport⏱ MCO · 0h 45mMCO Airport
10:35
05/12/2026
+1
SJU
Luis Munoz Marin International Airport
₹24,105
per person
Southwest Airlines
WN-257
18:00
05/11/2026
ONT
Ontario International Airport
16h 35m
2 Stops
⏱ PHX · 4h 40mPHX Airport⏱ MCO · 0h 55mMCO Airport
10:35
05/12/2026
+1
SJU
Luis Munoz Marin International Airport
₹24,105
per person
Delta Air Lines
DL-3840
13:35
05/11/2026
ONT
Ontario International Airport
26h 54m
2 Stops
⏱ SEA · 6h 0mSEA Airport⏱ JFK · 5h 29mJFK Airport
16:29
05/12/2026
+1
SJU
Luis Munoz Marin International Airport
₹24,519
per person
😕 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 11 May 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.
Before you book
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More flights from Ontario (ONT)
14 routes
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
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
