Cheap Flights from Portland, ME to Ontario, CA from $81

One way Round trip

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On Cheapflightsplus.com you will find 125 connecting flights from Portland to Ontario. You can compare airfare deals from 5 airlines and multiple travel sites from $81, book and save on cheap plane tickets and last minute offers. Also check out PWM-ONT flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Portland to Ontario Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $81 (one-way), $139 (round-trip).

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Best Flights from Portland to Ontario Today

Take a look at the list of non stop flights and flights with layovers from Portland to Ontario with the lowest price of $81. Take a look at the list of flights with layovers from Portland to Ontario from $81. There’re no direct flights. The fastest connecting flight – 9h 30m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $81 Find flight	19:15 Portland Portland Intl Jetport	19:17+1 день Ontario Ontario Int.	27h 2m layover 18h 5m - Minneapolis 1h 25m - Denver	Sun Country Airlines	SY228 F9463 F9373
from $111 Find flight	08:10 Portland Portland Intl Jetport	21:09 Ontario Ontario Int.	15h 59m layover 6h 25m - Washington D.C. 1h 31m - Denver	United Airlines	UA6161 UA2104 UA683
from $111 Find flight	08:10 Portland Portland Intl Jetport	21:09 Ontario Ontario Int.	15h 59m layover 6h 35m - Washington D.C. 1h 37m - Denver	United Airlines	UA6161 UA1772 UA683
from $111 Find flight	08:10 Portland Portland Intl Jetport	21:09 Ontario Ontario Int.	15h 59m layover 4h 55m - Washington D.C. 3h 17m - Denver	United Airlines	UA6161 UA509 UA683
from $111 Find flight	06:15 Portland Portland Intl Jetport	21:09 Ontario Ontario Int.	17h 54m layover 8h 19m - Chicago 1h 27m - Denver	United Airlines	UA3642 UA257 UA683
from $111 Find flight	06:15 Portland Portland Intl Jetport	21:09 Ontario Ontario Int.	17h 54m layover 6h 24m - Chicago 3h 35m - Denver	United Airlines	UA3642 UA407 UA683
from $120 Find flight	12:32 Portland Portland Intl Jetport	19:49 Ontario Ontario Int.	10h 17m layover 0h 48m - Chicago 1h 21m - Dallas	American Airlines	AA4133 AA2585 AA810
from $120 Find flight	06:53 Portland Portland Intl Jetport	15:38 Ontario Ontario Int.	11h 45m layover 1h 51m - Chicago 1h 48m - Dallas	American Airlines	AA3439 AA2566 AA1424
from $131 Find flight	06:00 Portland Portland Intl Jetport	15:38 Ontario Ontario Int.	12h 38m layover 2h 57m - Charlotte 1h 53m - Dallas	American Airlines	AA752 AA553 AA1424
from $131 Find flight	07:58 Portland Portland Intl Jetport	19:49 Ontario Ontario Int.	14h 51m layover 3h 0m - Charlotte 3h 50m - Dallas	American Airlines	AA752 AA665 AA810
from $132 Find flight	06:00 Portland Portland Intl Jetport	13:38 Ontario Ontario Int.	10h 38m layover 1h 12m - Charlotte 1h 30m - Dallas	American Airlines	AA752 AA789 AA1086
from $132 Find flight	06:00 Portland Portland Intl Jetport	13:38 Ontario Ontario Int.	10h 38m layover 1h 42m - Charlotte 0h 54m - Dallas	American Airlines	AA752 AA2857 AA1086
from $132 Find flight	07:51 Portland Portland Intl Jetport	15:38 Ontario Ontario Int.	10h 47m layover 1h 16m - Philadelphia 1h 21m - Dallas	American Airlines	AA4568 AA111 AA1424

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on May 04, 2024

Flight Schedule Portland (Maine) to Ontario (California)

Full flight schedule will help you in detecting at what time planes fly from Portland to Ontario. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.

Departure	Flight Details	Flight Duration	Price
06:15 — 21:09	06:15 — 08:11 UA3642 United Airlines Portland — Chicago 8h 19m stop 16:30 — 18:18 UA257 United Airlines Chicago — Denver 1h 27m stop 19:45 — 21:09 UA683 United Airlines Denver — Ontario	17h 54m including layover	Find flight from$111
06:15 — 21:09	06:15 — 08:11 UA3642 United Airlines Portland — Chicago 6h 24m stop 14:35 — 16:10 UA407 United Airlines Chicago — Denver 3h 35m stop 19:45 — 21:09 UA683 United Airlines Denver — Ontario	17h 54m including layover	Find flight from$111
07:51 — 15:38	07:51 — 09:29 AA4568 American Airlines Portland — Philadelphia 1h 16m stop 10:45 — 13:21 AA111 American Airlines Philadelphia — Dallas 1h 21m stop 14:42 — 15:38 AA1424 American Airlines Dallas — Ontario	10h 47m including layover	Find flight from$132
07:58 — 19:49	07:58 — 10:20 AA752 American Airlines Portland — Charlotte 3h stop 13:20 — 14:58 AA665 American Airlines Charlotte — Dallas 3h 50m stop 18:48 — 19:49 AA810 American Airlines Dallas — Ontario	14h 51m including layover	Find flight from$131
08:10 — 21:09	08:10 — 09:50 UA6161 United Airlines Portland — Washington D.C. 6h 25m stop 16:15 — 18:14 UA2104 United Airlines Washington D.C. — Denver 1h 31m stop 19:45 — 21:09 UA683 United Airlines Denver — Ontario	15h 59m including layover	Find flight from$111
08:10 — 21:09	08:10 — 09:50 UA6161 United Airlines Portland — Washington D.C. 6h 35m stop 16:25 — 18:08 UA1772 United Airlines Washington D.C. — Denver 1h 37m stop 19:45 — 21:09 UA683 United Airlines Denver — Ontario	15h 59m including layover	Find flight from$111
10:30 — 21:09	10:30 — 12:00 WN291 Southwest Airlines Portland — Baltimore 1h 40m stop 13:40 — 15:30 WN535 Southwest Airlines Baltimore — Denver 4h 15m stop 19:45 — 21:09 UA683 United Airlines Denver — Ontario	13h 39m including layover	Find flight from$160
10:30 — 19:09	10:30 — 12:00 WN291 Southwest Airlines Portland — Baltimore 1h 40m stop 13:40 — 15:30 WN535 Southwest Airlines Baltimore — Denver 2h 21m stop 17:51 — 19:09 F9371 Frontier Airlines Denver — Ontario	11h 39m including layover	Find flight from$183
12:32 — 19:49	12:32 — 14:12 AA4133 American Airlines Portland — Chicago 48m stop 15:00 — 17:27 AA2585 American Airlines Chicago — Dallas 1h 21m stop 18:48 — 19:49 AA810 American Airlines Dallas — Ontario	10h 17m including layover	Find flight from$120
12:32 — 21:09	12:32 — 14:12 AA4133 American Airlines Portland — Chicago 2h 18m stop 16:30 — 18:18 UA257 United Airlines Chicago — Denver 1h 27m stop 19:45 — 21:09 UA683 United Airlines Denver — Ontario	11h 37m including layover	Find flight from$142
13:05 — 22:45	13:05 — 14:40 WN1339 Southwest Airlines Portland — Baltimore 2h 30m stop 17:10 — 19:05 WN1669 Southwest Airlines Baltimore — Denver 2h 25m stop 21:30 — 22:45 WN1653 Southwest Airlines Denver — Ontario	12h 40m including layover	Find flight from$161
13:05 — 21:09	13:05 — 14:40 WN1339 Southwest Airlines Portland — Baltimore 2h 5m stop 16:45 — 18:35 UA233 United Airlines Baltimore — Denver 1h 10m stop 19:45 — 21:09 UA683 United Airlines Denver — Ontario	11h 4m including layover	Find flight from$193
14:16 — 19:17 +1 day	14:16 — 16:10 AA4739 American Airlines Portland — Washington D.C. 21h 3m stop 13:13 — 15:03 F9535 Frontier Airlines Washington D.C. — Denver 2h 56m stop 17:59 — 19:17 F9373 Frontier Airlines Denver — Ontario	32h 1m including layover	Find flight from$133
14:30 — 21:09 +1 day	14:30 — 16:10 UA3602 United Airlines Portland — Washington D.C. 1h 30m stop 17:40 — 19:57 UA1214 United Airlines Washington D.C. — Denver 23h 48m stop 19:45 — 21:09 UA683 United Airlines Denver — Ontario	33h 39m including layover	Find flight from$141
15:00 — 09:53 +1 day	15:00 — 16:26 UA3645 United Airlines Portland — Newark 1h 54m stop 18:20 — 20:30 UA1586 United Airlines Newark — Denver 12h 5m stop 08:35 — 09:53 F9375 Frontier Airlines Denver — Ontario	21h 53m including layover	Find flight from$156
15:00 — 21:09 +1 day	15:00 — 16:26 UA3645 United Airlines Portland — Newark 1h 54m stop 18:20 — 20:30 UA1586 United Airlines Newark — Denver 23h 15m stop 19:45 — 21:09 UA683 United Airlines Denver — Ontario	33h 9m including layover	Find flight from$180
16:45 — 17:32 +1 day	16:45 — 18:23 UA5539 United Airlines Portland — Chicago 11h 47m stop 06:10 — 07:55 F9411 Frontier Airlines Chicago — Denver 8h 19m stop 16:14 — 17:32 F9371 Frontier Airlines Denver — Ontario	27h 47m including layover	Find flight from$110
16:45 — 12:03 +1 day	16:45 — 18:23 UA5539 United Airlines Portland — Chicago 11h 52m stop 06:15 — 08:54 UA1754 United Airlines Chicago — Houston 1h 51m stop 10:45 — 12:03 UA6083 United Airlines Houston — Ontario	22h 18m including layover	Find flight from$111
19:15 — 19:17 +1 day	19:15 — 21:14 SY228 Sun Country Airlines Portland — Minneapolis 18h 5m stop 15:19 — 16:34 F9463 Frontier Airlines Minneapolis — Denver 1h 25m stop 17:59 — 19:17 F9373 Frontier Airlines Denver — Ontario	27h 2m including layover	Find flight from$81
19:15 — 19:17 +1 day	19:15 — 21:14 SY228 Sun Country Airlines Portland — Minneapolis 17h 11m stop 14:25 — 15:36 NK1317 Spirit Airlines Minneapolis — Denver 2h 23m stop 17:59 — 19:17 F9373 Frontier Airlines Denver — Ontario	27h 2m including layover	Find flight from$120
20:45 — 19:09 +1 day	20:45 — 22:54 SY228 Sun Country Airlines Portland — Minneapolis 15h 31m stop 14:25 — 15:36 NK1317 Spirit Airlines Minneapolis — Denver 2h 15m stop 17:51 — 19:09 F9371 Frontier Airlines Denver — Ontario	25h 24m including layover	Find flight from$184

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on May 4, 2024

Flight Information

Below we will explain in detail what the flights cost on the destination from Portland to Ontario depends on and how to choose the most interesting flight option for you.

Distance between Portland and Ontario is 4172 miles. Time difference between the cities is 3h. Airplanes depart 06:00 to 20:45 from 1 Portland airport and arrive 06:00 to 20:45 to 2 Ontario airports. Average flight time is 18h 23m.

The fastest flight 9h 30m
Average flight time 18h 23m
The earliest flight 06:00
The latest flight 20:45
Distance 2593 ml

What is the lowest airfare Portland to Ontario?

The cheapest plane ticket found by our users is $81. This airfare is for economy class on one-way SY228 flight by Sun Country Airlines for August 27, 2020 which leaves Portland Intl Jetport in Portland at 19:15 am and arrives at Ontario Ontario Int. at 19:17.

Economy class

$81

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Business class

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First class

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Popular Airlines on the Route

The flight Portland — Ontario is served by 5 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by American Airlines - 51 departures per week at the price of from $ 120 . And the most expensive tickets are offered by Delta Air Lines Inc. airline - from $ 580.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 125 flights with layovers on the route. The fastest connecting flight is DL4977 by Delta Air Lines Inc. takes 9h 30m and the cheapest is SY228 by Sun Country Airlines for $81.

AA - American Airlines

from $120

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SY - Sun Country Airlines

from $81

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WN - Southwest Airlines

from $151

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DL - Delta Air Lines Inc.

from $203

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UA - United Airlines

from $110

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Airports

You can fly from Portland to Ontario from 1 airports (Portland Intl Jetport).

Portland airports

Portland Intl Jetport-PWM

from $81
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Ontario airports

Ontario Int.-ONT

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International Heliport-JIO

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Airplanes

There are flights to Ontario from Portland by 5 airlines that use 10 aircraft brands. They range from huge modern airplanes to small-sized.

Embraer 175 (winglets)

from $111

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Bombardier CRJ 700

from $111

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Embraer 175 (short wing)

from $120

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Airbus A319

from $131

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Embraer RJ145

from $133

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Embraer 175

from $142

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Embraer 170

from $185

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Airbus A320-100/200

from $203

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Canadair Regional Jet 900

from $241

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Bombardier CRJ 900

from $244

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Top Domestic Destinations from Portland

You may also consider searching for discounted plane tickets to some other popular places from Portland within United States.

Portland — Phoenix

from $69

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Portland — Cleveland

from $60

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Portland — Las Vegas

from $74

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Portland — Minneapolis

from $67

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Portland — New York

from $60

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Portland — Palm Springs

from $67

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Portland — Atlanta

from $64

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Portland — Columbus

from $61

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Portland — Houston

from $59

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Portland — Indianapolis

from $57

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Top International Destinations from Portland

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Portland — Frankfurt

from $54

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Portland — Dublin

from $68

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Portland — Guadalajara

from $68

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Portland — San Jose

from $58

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Portland — Vancouver

from $73

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Portland — Mexico City

from $58

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Portland — Berlin

from $60

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Portland — Toronto

from $71

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Portland — London

from $78

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Portland — Paris

from $80

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All flights from Portland | All flights to Ontario

How to book a plane ticket yourself?

Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
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That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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