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Ontario (ONT) to Portland International (PDX) Flights from ₹11,277

Fares on this route currently start from ₹11,277. Compare live ONT to PDX 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 → PDX Approx. 1350.80 km 04 Jun 2026 Live inventory
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Showing 25 of 184 live flights
Southwest Airlines
WN-2213
16:40
06/04/2026
ONT
Ontario International Airport
5h 30m
1 Stop
⏱ LAS · 2h 10mLAS Airport
22:10
06/04/2026
PDX
Portland International Airport
₹11,277
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-3160
20:50
06/04/2026
ONT
Ontario International Airport
4h 30m
1 Stop
⏱ PHX · 0h 40mPHX Airport
01:20
06/05/2026
+1
PDX
Portland International Airport
₹11,291
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-3170
18:30
06/04/2026
ONT
Ontario International Airport
4h 50m
1 Stop
⏱ SMF · 1h 55mSMF Airport
23:20
06/04/2026
PDX
Portland International Airport
₹11,291
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-2213
16:40
06/04/2026
ONT
Ontario International Airport
7h 50m
1 Stop
⏱ LAS · 4h 30mLAS Airport
00:30
06/05/2026
+1
PDX
Portland International Airport
₹11,808
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-3159
17:15
06/04/2026
ONT
Ontario International Airport
8h 5m
1 Stop
⏱ PHX · 4h 10mPHX Airport
01:20
06/05/2026
+1
PDX
Portland International Airport
₹11,808
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-670
15:40
06/04/2026
ONT
Ontario International Airport
7h 40m
1 Stop
⏱ SMF · 4h 45mSMF Airport
23:20
06/04/2026
PDX
Portland International Airport
₹11,808
per person
✕ Non-refundable5 fare options
Frontier Airlines
F9-4758
15:30
06/04/2026
ONT
Ontario International Airport
18h 50m
1 Stop
⏱ LAS · 15h 12mLAS Airport
10:20
06/05/2026
+1
PDX
Portland International Airport
₹11,908
per person
✕ Non-refundable🔥 Last 3 seats
Frontier Airlines
F9-2232
11:51
06/04/2026
ONT
Ontario International Airport
22h 29m
1 Stop
⏱ LAS · 18h 53mLAS Airport
10:20
06/05/2026
+1
PDX
Portland International Airport
₹11,908
per person
✕ Non-refundable🔥 Last 3 seats
Delta Air Lines
DL-4031
17:50
06/04/2026
ONT
Ontario International Airport
6h 3m
1 Stop
⏱ SEA · 2h 5mSEA Airport
23:53
06/04/2026
PDX
Portland International Airport
₹12,138
per person
✕ Non-refundable6 fare options
Delta Air Lines
DL-2318
18:51
06/04/2026
SNA
Ontario International Airport
5h 2m
1 Stop
⏱ SEA · 1h 0mSEA Airport
23:53
06/04/2026
PDX
Portland International Airport
₹13,529
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-808
20:10
06/04/2026
BUR
Ontario International Airport
10h 30m
1 Stop
⏱ OAK · 7h 35mOAK Airport
06:40
06/05/2026
+1
PDX
Portland International Airport
₹13,651
per person
✓ Refundable8 fare options
Delta Air Lines
DL-2975
07:35
06/04/2026
LAX
Ontario International Airport
2h 22m
Non-stop
09:57
06/04/2026
PDX
Portland International Airport
₹14,017
per person
✕ Non-refundable5 fare options
Delta Air Lines
DL-2457
20:39
06/04/2026
LAX
Ontario International Airport
2h 22m
Non-stop
23:01
06/04/2026
PDX
Portland International Airport
₹14,017
per person
✕ Non-refundable5 fare options
Delta Air Lines
DL-2551
14:00
06/04/2026
LAX
Ontario International Airport
2h 23m
Non-stop
16:23
06/04/2026
PDX
Portland International Airport
₹14,017
per person
✕ Non-refundable5 fare options
Delta Air Lines
DL-2459
17:00
06/04/2026
LAX
Ontario International Airport
2h 23m
Non-stop
19:23
06/04/2026
PDX
Portland International Airport
₹14,017
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-287
20:20
06/04/2026
LAX
Ontario International Airport
4h 10m
1 Stop
⏱ LAS · 0h 40mLAS Airport
00:30
06/05/2026
+1
PDX
Portland International Airport
₹14,070
per person
✓ Refundable8 fare options
Southwest Airlines
WN-2507
19:00
06/04/2026
LGB
Ontario International Airport
4h 20m
1 Stop
⏱ SMF · 1h 25mSMF Airport
23:20
06/04/2026
PDX
Portland International Airport
₹14,070
per person
✓ Refundable🔥 Last 4 seats8 fare options
Southwest Airlines
WN-3155
16:00
06/04/2026
ONT
Ontario International Airport
6h 5m
1 Stop
⏱ OAK · 3h 15mOAK Airport
22:05
06/04/2026
PDX
Portland International Airport
₹14,075
per person
✕ Non-refundable🔥 Last 5 seats5 fare options
Delta Air Lines
DL-4070
11:52
06/04/2026
ONT
Ontario International Airport
7h 32m
1 Stop
⏱ SEA · 3h 32mSEA Airport
19:24
06/04/2026
PDX
Portland International Airport
₹14,103
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-4070
11:52
06/04/2026
ONT
Ontario International Airport
5h 17m
1 Stop
⏱ SEA · 1h 17mSEA Airport
17:09
06/04/2026
PDX
Portland International Airport
₹14,235
per person
✕ Non-refundable
Delta Air Lines
DL-3840
13:35
06/04/2026
ONT
Ontario International Airport
5h 49m
1 Stop
⏱ SEA · 1h 52mSEA Airport
19:24
06/04/2026
PDX
Portland International Airport
₹14,235
per person
✕ Non-refundable
Southwest Airlines
WN-3147
14:30
06/04/2026
ONT
Ontario International Airport
6h 30m
1 Stop
⏱ DEN · 1h 45mDEN Airport
21:00
06/04/2026
PDX
Portland International Airport
₹14,572
per person
✕ Non-refundable🔥 Last 1 seats5 fare options
Southwest Airlines
WN-3164
18:35
06/04/2026
ONT
Ontario International Airport
4h 45m
1 Stop
⏱ SJC · 1h 55mSJC Airport
23:20
06/04/2026
PDX
Portland International Airport
₹14,572
per person
✕ Non-refundable🔥 Last 3 seats5 fare options
Southwest Airlines
WN-4554
21:05
06/04/2026
LAX
Ontario International Airport
9h 35m
1 Stop
⏱ OAK · 6h 35mOAK Airport
06:40
06/05/2026
+1
PDX
Portland International Airport
₹14,602
per person
✓ Refundable8 fare options
Southwest Airlines
WN-3845
16:00
06/04/2026
ONT
Ontario International Airport
7h 20m
1 Stop
⏱ SJC · 4h 30mSJC Airport
23:20
06/04/2026
PDX
Portland International Airport
₹15,108
per person
✕ Non-refundable🔥 Last 3 seats5 fare options
😕 No flights match your filters.
Ontario (ONT)
📍 Ontario International Airport
🌍 United States
🕐 GMT -8
📐 Latitude: 34.055999755859375
📐 Longitude: -117.60099792480469
Portland International (PDX)
📍 Portland International Airport
🌍 United States
🕐 GMT -8
📐 Latitude: 45.58869934
📐 Longitude: -122.5979996

✈ Distance: Ontario,USA to Portland International,USA — 1350.80 km

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

Ontario to Portland International — what to expect when booking

The ONT–PDX 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 Portland International,USA is approximately 1350.80 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 → Sacramento
ONT → SMF
Ontario → Salt Lake City
ONT → SLC
Ontario → San Francisco
ONT → SFO
Ontario → San Jose
ONT → SJC
Ontario → San Juan
ONT → SJU
Ontario → Seattle
ONT → SEA
More flights from Portland International (PDX)
55 routes
Portland International → Albuquerque
PDX → ABQ
Portland International → Amsterdam
PDX → AMS
Portland International → Anchorage
PDX → ANC
Portland International → Atlanta
PDX → ATL
Portland International → Bellingham
PDX → BLI
Portland International → Billings
PDX → BIL
Portland International → Boise
PDX → BOI
Portland International → Boston
PDX → BOS
Portland International → Burbank
PDX → BUR
Portland International → Calgary
PDX → YYC
Portland International → Charlotte
PDX → CLT
Portland International → Chicago
PDX → ORD
Portland International → Denver
PDX → DEN
Portland International → Detroit
PDX → DTW
Portland International → Eugene
PDX → EUG
Portland International → Fort Worth
PDX → DFW
Portland International → Fresno
PDX → FAT
Portland International → Honolulu
PDX → HNL
Portland International → Houston
PDX → IAH
Portland International → Kahului
PDX → OGG
Portland International → Kansas City
PDX → MCI
Portland International → Klamath Fall
PDX → LMT
Portland International → Las Vegas
PDX → LAS
Portland International → Long Beach
PDX → LGB
Portland International → Los Angeles
PDX → LAX
Portland International → Medford
PDX → MFR
Portland International → Minneapolis
PDX → MSP
Portland International → Missula
PDX → MSO
Portland International → New York
PDX → JFK
Portland International → North Bend
PDX → OTH
Portland International → Oakland
PDX → OAK
Portland International → Oklahoma City
PDX → OKC
Portland International → Ontario
PDX → ONT
Portland International → Palm Springs
PDX → PSP
Portland International → Pasco
PDX → PSC
Portland International → Pendelton
PDX → PDT
Portland International → Philadelphia
PDX → PHL
Portland International → Phoenix
PDX → PHX
Portland International → Redmond
PDX → RDM
Portland International → Reno
PDX → RNO
Portland International → Sacramento
PDX → SMF
Portland International → Salt Lake City
PDX → SLC
Portland International → San Diego
PDX → SAN
Portland International → San Francisco
PDX → SFO
Portland International → San Jose
PDX → SJC
Portland International → Santa Ana
PDX → SNA
Portland International → Santa Barbara
PDX → SBA
Portland International → Santa Rosa
PDX → STS
Portland International → Seattle
PDX → SEA
Portland International → Spokane
PDX → GEG
Portland International → Tampa
PDX → TPA
Portland International → Tokyo
PDX → NRT
Portland International → Tucson
PDX → TUS
Portland International → Vancouver
PDX → YVR
Portland International → Washington DC
PDX → IAD
❓ Frequently asked questions — Ontario to Portland International 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 Portland International,USA (PDX) is approximately 1350.80 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.