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Cheap flights from Pennsylvania to Los Angeles from $65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to Los Angeles departing on 4/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:00 pm - 11:59 pm
DCA
-
ONT
8h 59m
1 stop
Frontier Logo
8:40 am - 9:59 pm
ONT
-
DCA
10h 19m
1 stop
$148Frontier
Sat, Feb 28 - Tue, Mar 3
Frontier Logo
8:00 am - 9:34 pm
DCA
-
ONT
16h 34m
1 stop
Frontier Logo
8:40 am - 9:59 pm
ONT
-
DCA
10h 19m
1 stop
$172Frontier
Wed, Feb 25 - Tue, Mar 3
Multiple Airlines Logo
4:05 pm - 5:39 pm
EWR
-
ONT
28h 34m
1 stop
Multiple Airlines Logo
6:15 am - 11:29 pm
ONT
-
EWR
14h 14m
2 stops
$234Multiple Airlines
Fri, Mar 6 - Wed, Mar 11
United Airlines Logo
8:15 am - 12:49 pm
PIT
-
ONT
7h 34m
1 stop
United Airlines Logo
5:15 am - 3:17 pm
ONT
-
PIT
7h 02m
1 stop
$237United Airlines
Tue, Mar 17 - Tue, Mar 24
Multiple Airlines Logo
4:05 pm - 1:11 pm
EWR
-
ONT
24h 06m
2 stops
Multiple Airlines Logo
4:00 pm - 5:54 pm
ONT
-
EWR
22h 54m
1 stop
$241Multiple Airlines
Wed, Mar 4 - Tue, Mar 10
United Airlines Logo
10:38 am - 8:50 pm
PIT
-
ONT
13h 12m
2 stops
United Airlines Logo
11:59 pm - 9:41 am
ONT
-
PIT
6h 42m
1 stop
$242United Airlines
Tue, Mar 17 - Tue, Mar 24
Southwest Logo
4:30 pm - 9:45 pm
LGA
-
ONT
8h 15m
1 stop
Southwest Logo
9:20 am - 9:00 pm
ONT
-
LGA
8h 40m
1 stop
$251Southwest
Tue, Mar 3 - Tue, Mar 10
American Airlines Logo
6:30 am - 11:31 am
JFK
-
ONT
8h 01m
1 stop
American Airlines Logo
11:58 pm - 11:31 am
ONT
-
JFK
8h 33m
1 stop
$251American Airlines
Tue, Mar 3 - Wed, Mar 4
Southwest Logo
6:05 am - 2:25 pm
LGA
-
ONT
11h 20m
1 stop
Southwest Logo
6:25 am - 5:30 pm
ONT
-
LGA
8h 05m
1 stop
$254Southwest
Thu, Mar 5 - Tue, Mar 10
American Airlines Logo
2:40 pm - 10:49 pm
JFK
-
ONT
11h 09m
1 stop
American Airlines Logo
7:59 pm - 7:00 am
ONT
-
JFK
8h 01m
1 stop
$254American Airlines
Tue, Mar 3 - Tue, Mar 10

Frontier flights from Pennsylvania to Ontario

Our best Frontier deals on Pennsylvania to Ontario flight tickets
Frontier
Feb 28
DCA6:00 pmWashington, D.C. Reagan-National
8h 59m
1 stop
ONT11:59 pmOntario
Mar 3
ONT8:40 amOntario
10h 19m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
$148
Frontier
Feb 25
DCA8:00 amWashington, D.C. Reagan-National
16h 34m
1 stop
ONT9:34 pmOntario
Mar 3
ONT8:40 amOntario
10h 19m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
$172
Frontier
Feb 27
DCA6:00 pmWashington, D.C. Reagan-National
8h 59m
1 stop
ONT11:59 pmOntario
Mar 3
ONT8:40 amOntario
25h 35m
1 stop
DCA1:15 pmWashington, D.C. Reagan-National
$174

Southwest flights from Pennsylvania to Ontario

Our best Southwest deals on Pennsylvania to Ontario flight tickets
Southwest
Mar 3
LGA4:30 pmNew York LaGuardia
8h 15m
1 stop
ONT9:45 pmOntario
Mar 10
ONT9:20 amOntario
8h 40m
1 stop
LGA9:00 pmNew York LaGuardia
$251
Southwest
Mar 5
LGA6:05 amNew York LaGuardia
11h 20m
1 stop
ONT2:25 pmOntario
Mar 10
ONT6:25 amOntario
8h 05m
1 stop
LGA5:30 pmNew York LaGuardia
$254
Southwest
Mar 5
LGA2:40 pmNew York LaGuardia
10h 50m
1 stop
ONT10:30 pmOntario
Mar 10
ONT7:35 amOntario
11h 20m
2 stops
LGA9:55 pmNew York LaGuardia
$259

momondo Fare Finder

 
Customize your flight search to find flights from Pennsylvania to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 9, 2026.
Use the filters below to find and compare flights from Pennsylvania to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Ontario

DCA - ONT

DCAONT

Washington, D.C. Reagan-National

Sat 2/28

6:00 pm-11:59 pm

1 stop8h 59m

Ontario

Tue 3/3

8:40 am-9:59 pm

1 stop10h 19m

$148

Washington, D.C.Ontario

DCA - ONT

DCAONT

Washington, D.C. Reagan-National

Wed 2/25

8:00 am-9:34 pm

1 stop16h 34m

Ontario

Tue 3/3

8:40 am-9:59 pm

1 stop10h 19m

$172

NewarkOntario

EWR - ONT

EWRONT

Newark

Fri 3/6

4:05 pm-5:39 pm

1 stop28h 34m

Ontario

Wed 3/11

6:15 am-11:29 pm

2 stops14h 14m

$234

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 3/17

8:15 am-12:49 pm

1 stop7h 34m

Ontario

Tue 3/24

5:15 am-3:17 pm

1 stop7h 02m

$237

NewarkOntario

EWR - ONT

EWRONT

Newark

Wed 3/4

4:05 pm-1:11 pm

2 stops24h 06m

Ontario

Tue 3/10

4:00 pm-5:54 pm

1 stop22h 54m

$241

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 3/17

10:38 am-8:50 pm

2 stops13h 12m

Ontario

Tue 3/24

11:59 pm-9:41 am

1 stop6h 42m

$242

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Tue 3/3

4:30 pm-9:45 pm

1 stop8h 15m

Ontario

Tue 3/10

9:20 am-9:00 pm

1 stop8h 40m

$251

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 3/3

6:30 am-11:31 am

1 stop8h 01m

Ontario

Wed 3/4

11:58 pm-11:31 am

1 stop8h 33m

$251

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Thu 3/5

6:05 am-2:25 pm

1 stop11h 20m

Ontario

Tue 3/10

6:25 am-5:30 pm

1 stop8h 05m

$254

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 3/3

2:40 pm-10:49 pm

1 stop11h 09m

Ontario

Tue 3/10

7:59 pm-7:00 am

1 stop8h 01m

$254

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Pennsylvania to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ontario?

In general, May is the cheapest month to fly from Pennsylvania to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $355. If you aren’t able to travel during the month of May, then book flights to Ontario from Pennsylvania during March instead. Flights to Ontario in March, while not as cheap as those in May, still average around $365.

How far in advance should I book a flight to Ontario?

You are more likely to see cheaper flights to Ontario from Pennsylvania when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $409 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Pennsylvania for as low as $277 on momondo.

Can stopping save me money on Pennsylvania to Ontario flights?

You could potentially save up to 47% on your flight if you consider stops on a Pennsylvania to Ontario flight.

Cheap Pennsylvania to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pennsylvania to Ontario

Fastest flight time

6h 10m

Direct flights

Every day

Airports in Ontario

1 airport
The fastest flight from Pennsylvania to Ontario takes 6h 10m
Direct flights go from Pennsylvania to Ontario every day.
There is 1 airport in Ontario. From Pennsylvania there are direct flights to Ontario (ONT).
Search flight deals

  • When did momondo last update prices for flights from Pennsylvania to Ontario Airport?

    Prices for flights from Pennsylvania to Ontario Airport are updated daily.

  • How many operators does momondo search for flights from Pennsylvania to Ontario Airport?

  • How old do you have to be to fly from Pennsylvania to Ontario Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pennsylvania to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Pennsylvania to Ontario

Compare and see reviews for airlines that fly from Pennsylvania to Ontario with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $150Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
DeltaPriceFrom $208Free CancellationRating
7.9
8,173 reviews
Search Delta flights
United AirlinesPriceFrom $296Free CancellationRating
7.4
9,257 reviews
Search United Airlines flights
SouthwestPriceFrom $303Free CancellationRating
8.0
4,282 reviews
Search Southwest flights
American AirlinesPriceFrom $306Free CancellationRating
7.2
11,254 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Pennsylvania to Ontario?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Pennsylvania to Ontario. momondo saves you time and could save you money on your trip.

Can I find flights from Pennsylvania to Ontario with flexible booking policies on momondo?

Yes. All flights to Ontario from Pennsylvania on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Pennsylvania to Ontario?

momondo provides multiple filters to help you find the best flight to Ontario from Pennsylvania. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Pennsylvania to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Pennsylvania and alert you when they change.

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