American Airlines
AA-2639
19:15
07/14/2026
ONT
Ontario International Airport
14h 30m
2 Stops
⏱ PHX · 1h 24mPHX Airport⏱ MIA · 1h 40mMIA Airport
09:45
07/15/2026
+1
SJU
Luis Munoz Marin International Airport
₹27,398
per person
Southwest Airlines
WN-1571
15:20
07/14/2026
LAX
Ontario International Airport
17h 40m
2 Stops
⏱ LAS · 0h 40mLAS Airport⏱ MCO · 5h 10mMCO Airport
09:00
07/15/2026
+1
SJU
Luis Munoz Marin International Airport
₹27,451
per person
Southwest Airlines
WN-992
14:40
07/14/2026
BUR
Ontario International Airport
18h 20m
2 Stops
⏱ DEN · 1h 20mDEN Airport⏱ MCO · 4h 45mMCO Airport
09:00
07/15/2026
+1
SJU
Luis Munoz Marin International Airport
₹27,451
per person
Southwest Airlines
WN-3035
09:45
07/14/2026
ONT
Ontario International Airport
14h 5m
2 Stops
⏱ DAL · 1h 20mDAL Airport⏱ TPA · 1h 15mTPA Airport
23:50
07/14/2026
SJU
Luis Munoz Marin International Airport
₹27,531
per person
Southwest Airlines
WN-2687
14:50
07/14/2026
ONT
Ontario International Airport
18h 10m
2 Stops
⏱ DEN · 1h 25mDEN Airport⏱ MCO · 4h 45mMCO Airport
09:00
07/15/2026
+1
SJU
Luis Munoz Marin International Airport
₹27,531
per person
Southwest Airlines
WN-3146
13:20
07/14/2026
ONT
Ontario International Airport
19h 40m
2 Stops
⏱ DEN · 2h 50mDEN Airport⏱ MCO · 4h 45mMCO Airport
09:00
07/15/2026
+1
SJU
Luis Munoz Marin International Airport
₹27,531
per person
Southwest Airlines
WN-3144
05:45
07/14/2026
ONT
Ontario International Airport
17h 5m
2 Stops
⏱ DEN · 2h 20mDEN Airport⏱ BWI · 0h 45mBWI Airport
22:50
07/14/2026
SJU
Luis Munoz Marin International Airport
₹27,531
per person
Southwest Airlines
WN-3144
05:45
07/14/2026
ONT
Ontario International Airport
18h 5m
2 Stops
⏱ DEN · 1h 20mDEN Airport⏱ TPA · 4h 50mTPA Airport
23:50
07/14/2026
SJU
Luis Munoz Marin International Airport
₹27,531
per person
Southwest Airlines
WN-790
14:50
07/14/2026
BUR
Ontario International Airport
18h 10m
2 Stops
⏱ LAS · 1h 15mLAS Airport⏱ MCO · 5h 10mMCO Airport
09:00
07/15/2026
+1
SJU
Luis Munoz Marin International Airport
₹27,588
per person
Southwest Airlines
WN-3124
12:35
07/14/2026
BUR
Ontario International Airport
20h 25m
2 Stops
⏱ LAS · 3h 30mLAS Airport⏱ MCO · 5h 10mMCO Airport
09:00
07/15/2026
+1
SJU
Luis Munoz Marin International Airport
₹27,588
per person
United Airlines
UA-1936
05:45
07/14/2026
ONT
Ontario International Airport
14h 53m
1 Stop
⏱ IAH · 3h 59mIAH Airport
20:38
07/14/2026
SJU
Luis Munoz Marin International Airport
₹28,291
per person
Southwest Airlines
WN-26
06:35
07/14/2026
LAX
Ontario International Airport
18h 15m
1 Stop
⏱ HOU · 7h 30mHOU Airport
00:50
07/15/2026
+1
SJU
Luis Munoz Marin International Airport
₹28,491
per person
United Airlines
UA-1397
07:05
07/14/2026
LAX
Ontario International Airport
13h 33m
1 Stop
⏱ IAH · 2h 29mIAH Airport
20:38
07/14/2026
SJU
Luis Munoz Marin International Airport
₹28,524
per person
United Airlines
UA-729
00:13
07/14/2026
LAX
Ontario International Airport
14h 31m
1 Stop
⏱ ORD · 2h 17mORD Airport
14:44
07/14/2026
SJU
Luis Munoz Marin International Airport
₹28,524
per person
United Airlines
UA-654
05:45
07/14/2026
LAX
Ontario International Airport
14h 53m
1 Stop
⏱ IAH · 3h 51mIAH Airport
20:38
07/14/2026
SJU
Luis Munoz Marin International Airport
₹28,536
per person
United Airlines
UA-580
05:10
07/14/2026
LAX
Ontario International Airport
15h 24m
1 Stop
⏱ ORD · 3h 11mORD Airport
20:34
07/14/2026
SJU
Luis Munoz Marin International Airport
₹28,536
per person
Southwest Airlines
WN-26
06:35
07/14/2026
LAX
Ontario International Airport
15h 30m
2 Stops
⏱ HOU · 3h 0mHOU Airport⏱ MCO · 0h 35mMCO Airport
22:05
07/14/2026
SJU
Luis Munoz Marin International Airport
₹29,341
per person
Southwest Airlines
WN-3261
07:00
07/14/2026
SNA
Ontario International Airport
15h 50m
3 Stops
⏱ PHX · 0h 40mPHX Airport⏱ SDF · 0h 40mSDF Airport⏱ BWI · 0h 45mBWI Airport
22:50
07/14/2026
SJU
Luis Munoz Marin International Airport
₹29,341
per person
Southwest Airlines
WN-2525
09:55
07/14/2026
ONT
Ontario International Airport
14h 25m
2 Stops
⏱ AUS · 2h 15mAUS Airport⏱ MCO · 0h 35mMCO Airport
00:20
07/15/2026
+1
SJU
Luis Munoz Marin International Airport
₹29,438
per person
Southwest Airlines
WN-2525
09:55
07/14/2026
ONT
Ontario International Airport
14h 25m
2 Stops
⏱ AUS · 1h 5mAUS Airport⏱ MCO · 1h 35mMCO Airport
00:20
07/15/2026
+1
SJU
Luis Munoz Marin International Airport
₹29,438
per person
Southwest Airlines
WN-3580
08:30
07/14/2026
ONT
Ontario International Airport
15h 50m
2 Stops
⏱ CMH · 0h 50mCMH Airport⏱ MCO · 0h 55mMCO Airport
00:20
07/15/2026
+1
SJU
Luis Munoz Marin International Airport
₹29,438
per person
Southwest Airlines
WN-864
05:15
07/14/2026
ONT
Ontario International Airport
17h 35m
2 Stops
⏱ PHX · 2h 35mPHX Airport⏱ BWI · 0h 45mBWI Airport
22:50
07/14/2026
SJU
Luis Munoz Marin International Airport
₹29,438
per person
Southwest Airlines
WN-864
05:15
07/14/2026
ONT
Ontario International Airport
17h 35m
2 Stops
⏱ PHX · 3h 30mPHX Airport⏱ BWI · 1h 15mBWI Airport
22:50
07/14/2026
SJU
Luis Munoz Marin International Airport
₹29,438
per person
Southwest Airlines
WN-3805
10:10
07/14/2026
ONT
Ontario International Airport
14h 40m
2 Stops
⏱ PHX · 2h 35mPHX Airport⏱ HOU · 0h 45mHOU Airport
00:50
07/15/2026
+1
SJU
Luis Munoz Marin International Airport
₹29,438
per person
Southwest Airlines
WN-3580
08:30
07/14/2026
ONT
Ontario International Airport
16h 20m
2 Stops
⏱ LAS · 2h 30mLAS Airport⏱ HOU · 0h 55mHOU Airport
00:50
07/15/2026
+1
SJU
Luis Munoz Marin International Airport
₹29,438
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 14 Jul 2026. Click Load more flights to expand the full list on this page.
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
Compare nearby dates
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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)
43 routes
More flights from San Juan (SJU)
43 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 → 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 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 → 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 → IAD
San Juan → West Palm Beach
SJU → PBI
