American Airlines
AA-2459
19:35
05/08/2026
ONT
Ontario International Airport
15h 13m
2 Stops
⏱ PHX · 1h 21mPHX Airport⏱ CLT · 1h 59mCLT Airport
10:48
05/09/2026
+1
SJU
Luis Munoz Marin International Airport
₹17,309
per person
Delta Air Lines
DL-2891
22:00
05/08/2026
ONT
Ontario International Airport
15h 38m
1 Stop
⏱ ATL · 4h 46mATL Airport
13:38
05/09/2026
+1
SJU
Luis Munoz Marin International Airport
₹17,309
per person
Delta Air Lines
DL-407
22:35
05/08/2026
LAX
Ontario International Airport
14h 45m
1 Stop
⏱ DTW · 3h 4mDTW Airport
13:20
05/09/2026
+1
SJU
Luis Munoz Marin International Airport
₹18,049
per person
Delta Air Lines
DL-915
23:55
05/08/2026
LAX
Ontario International Airport
16h 34m
1 Stop
⏱ JFK · 4h 0mJFK Airport
16:29
05/09/2026
+1
SJU
Luis Munoz Marin International Airport
₹18,049
per person
Delta Air Lines
DL-3840
13:35
05/08/2026
ONT
Ontario International Airport
26h 54m
2 Stops
⏱ SEA · 6h 0mSEA Airport⏱ JFK · 5h 29mJFK Airport
16:29
05/09/2026
+1
SJU
Luis Munoz Marin International Airport
₹18,796
per person
Delta Air Lines
DL-2891
22:00
05/08/2026
ONT
Ontario International Airport
14h 1m
1 Stop
⏱ ATL · 3h 16mATL Airport
12:01
05/09/2026
+1
SJU
Luis Munoz Marin International Airport
₹20,084
per person
American Airlines
AA-2773
23:59
05/08/2026
ONT
Ontario International Airport
14h 43m
1 Stop
⏱ DFW · 4h 5mDFW Airport
14:42
05/09/2026
+1
SJU
Luis Munoz Marin International Airport
₹21,009
per person
American Airlines
AA-2459
19:35
05/08/2026
ONT
Ontario International Airport
15h 13m
2 Stops
⏱ PHX · 2h 14mPHX Airport⏱ CLT · 0h 59mCLT Airport
10:48
05/09/2026
+1
SJU
Luis Munoz Marin International Airport
₹21,009
per person
American Airlines
AA-2463
12:24
05/08/2026
ONT
Ontario International Airport
16h 8m
2 Stops
⏱ PHX · 3h 34mPHX Airport⏱ DFW · 1h 10mDFW Airport
04:32
05/09/2026
+1
SJU
Luis Munoz Marin International Airport
₹21,009
per person
American Airlines
AA-987
22:26
05/08/2026
ONT
Ontario International Airport
22h 25m
1 Stop
⏱ CLT · 11h 14mCLT Airport
20:51
05/09/2026
+1
SJU
Luis Munoz Marin International Airport
₹21,009
per person
Delta Air Lines
DL-4031
17:50
05/08/2026
ONT
Ontario International Airport
22h 39m
2 Stops
⏱ SEA · 1h 45mSEA Airport⏱ JFK · 5h 29mJFK Airport
16:29
05/09/2026
+1
SJU
Luis Munoz Marin International Airport
₹21,079
per person
Delta Air Lines
DL-430
23:59
05/08/2026
LAX
Ontario International Airport
14h 58m
1 Stop
⏱ MSP · 3h 23mMSP Airport
14:57
05/09/2026
+1
SJU
Luis Munoz Marin International Airport
₹22,954
per person
American Airlines
AA-1412
06:00
05/08/2026
ONT
Ontario International Airport
28h 53m
2 Stops
⏱ DFW · 8h 50mDFW Airport⏱ MIA · 8h 32mMIA Airport
10:53
05/09/2026
+1
SJU
Luis Munoz Marin International Airport
₹23,008
per person
American Airlines
AA-1412
06:00
05/08/2026
ONT
Ontario International Airport
28h 53m
2 Stops
⏱ DFW · 9h 35mDFW Airport⏱ MIA · 7h 48mMIA Airport
10:53
05/09/2026
+1
SJU
Luis Munoz Marin International Airport
₹23,008
per person
United Airlines
UA-5662
20:45
05/08/2026
BUR
Ontario International Airport
18h 57m
2 Stops
⏱ SFO · 2h 14mSFO Airport⏱ IAH · 3h 35mIAH Airport
15:42
05/09/2026
+1
SJU
Luis Munoz Marin International Airport
₹23,426
per person
American Airlines
AA-1713
23:05
05/08/2026
LAX
Ontario International Airport
14h 44m
1 Stop
⏱ PHL · 2h 30mPHL Airport
13:49
05/09/2026
+1
SJU
Luis Munoz Marin International Airport
₹23,521
per person
American Airlines
AA-1194
06:15
05/08/2026
ONT
Ontario International Airport
28h 38m
2 Stops
⏱ PHX · 5h 32mPHX Airport⏱ MIA · 11h 42mMIA Airport
10:53
05/09/2026
+1
SJU
Luis Munoz Marin International Airport
₹24,038
per person
United Airlines
UA-1665
18:59
05/08/2026
ONT
Ontario International Airport
17h 35m
2 Stops
⏱ SFO · 2h 37mSFO Airport⏱ IAD · 0h 59mIAD Airport
12:34
05/09/2026
+1
SJU
Luis Munoz Marin International Airport
₹24,261
per person
American Airlines
AA-987
22:26
05/08/2026
ONT
Ontario International Airport
12h 22m
1 Stop
⏱ CLT · 1h 9mCLT Airport
10:48
05/09/2026
+1
SJU
Luis Munoz Marin International Airport
₹24,714
per person
American Airlines
AA-1203
16:40
05/08/2026
LAX
Ontario International Airport
11h 52m
1 Stop
⏱ DFW · 1h 10mDFW Airport
04:32
05/09/2026
+1
SJU
Luis Munoz Marin International Airport
₹25,096
per person
American Airlines
AA-2264
14:35
05/08/2026
LAX
Ontario International Airport
13h 57m
1 Stop
⏱ DFW · 3h 12mDFW Airport
04:32
05/09/2026
+1
SJU
Luis Munoz Marin International Airport
₹25,096
per person
American Airlines
AA-1669
23:59
05/08/2026
LAX
Ontario International Airport
14h 43m
1 Stop
⏱ DFW · 3h 54mDFW Airport
14:42
05/09/2026
+1
SJU
Luis Munoz Marin International Airport
₹25,096
per person
Southwest Airlines
WN-3648
21:55
05/08/2026
ONT
Ontario International Airport
12h 30m
1 Stop
⏱ BWI · 0h 45mBWI Airport
10:25
05/09/2026
+1
SJU
Luis Munoz Marin International Airport
₹25,319
per person
Southwest Airlines
WN-3658
23:55
05/08/2026
ONT
Ontario International Airport
13h 25m
1 Stop
⏱ MDW · 2h 5mMDW Airport
13:20
05/09/2026
+1
SJU
Luis Munoz Marin International Airport
₹25,319
per person
Southwest Airlines
WN-3681
20:45
05/08/2026
ONT
Ontario International Airport
16h 35m
2 Stops
⏱ SMF · 1h 45mSMF Airport⏱ MDW · 2h 0mMDW Airport
13:20
05/09/2026
+1
SJU
Luis Munoz Marin International Airport
₹25,494
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 08 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
