How long is the flight from Ontario to Lancaster, Pennsylvania?

For as low as $569, United Airlines can have you in Lancaster, Pennsylvania from Ontario in 13h 55m. Ontario and Lancaster, Pennsylvania are separated by a distance of 2292 mi.

In terms of precipitation, rainfall in Lancaster, Pennsylvania ranges from 2.5 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Lancaster, Pennsylvania when rainfall is around 2.5 in.

If weather is an important factor for your trip to Lancaster, Pennsylvania, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

What is the cheapest time of day to fly from ONT to LNS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Lancaster, Pennsylvania as you normally would.

Most accurate provider : When it comes to deals on Ontario-Lancaster, Pennsylvania flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Lancaster, Pennsylvania flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Lancaster, Pennsylvania flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Ontario-Lancaster, Pennsylvania flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Lancaster, Pennsylvania flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Ontario to Lancaster that include hotel bookings?

Yes. In addition to deals on Ontario to Lancaster flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to Lancaster?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Lancaster.

Can I find deals for business class flights from Ontario to Lancaster?

Yes. Cheapflights offers flight deals from Ontario to Lancaster by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$343+ Cheap Flights from Ontario to Lancaster, PA

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Ontario to Lancaster with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Lancaster

Cheapest

Best

Last-minute

One-way

Cheapest flights from Ontario to Lancaster
Explore the most affordable flight options available from Ontario to Lancaster. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2026.

Wed 12/305:00 am -

2 stops11h 56m

Mon 1/49:47 am -

2 stops14h 13m

Deal found 11/9

$609

Wed 12/305:00 am -

2 stops11h 56m

Sun 1/32:36 pm -

2 stops24h 22m

Deal found 11/9

$716

Sat 11/147:00 am -

1 stop10h 01m

Tue 11/176:05 am -

2 stops12h 28m

Deal found 11/6

$744

Fri 11/139:25 am -

2 stops12h 01m

Tue 11/176:05 am -

2 stops12h 28m

Deal found 11/6

$749

Thu 11/129:25 am -

2 stops12h 01m

Tue 11/176:05 am -

2 stops14h 56m

Deal found 11/6

$789

Thu 11/129:25 am -

2 stops12h 01m

Mon 11/166:05 am -

2 stops14h 51m

Deal found 11/7

$865

Tue 11/107:00 am -

1 stop14h 26m

Sat 11/146:05 am -

2 stops9h 28m

Deal found 11/6

$890

Sat 11/77:00 am -

1 stop10h 01m

Sun 11/226:05 am -

2 stops17h 10m

Deal found 11/6

$895

Best flights from Ontario to Lancaster
Discover carefully curated flight deals from Ontario to Lancaster that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.

Sat 2/207:35 am -

2 stops13h 55m

Fri 2/269:00 am -

2 stops14h 34m

Deal found 11/6

$569

Sat 2/207:35 am -

2 stops13h 55m

Tue 2/239:00 am -

2 stops11h 59m

Deal found 11/6

$569

Sat 2/207:00 am -

1 stop14h 30m

Wed 2/249:00 am -

2 stops15h 17m

Deal found 11/6

$637

Sat 2/207:35 am -

2 stops13h 55m

Mon 2/222:41 pm -

1 stop27h 41m

Deal found 11/6

$637

Wed 12/305:00 am -

2 stops11h 56m

Mon 1/42:36 pm -

1 stop10h 55m

Deal found 11/9

$644

Wed 12/305:00 am -

2 stops11h 56m

Sun 1/32:36 pm -

1 stop10h 55m

Deal found 11/9

$770

Mon 2/227:00 am -

1 stop14h 30m

Thu 2/259:00 am -

1 stop12h 42m

Deal found 11/6

$1,027

Fri 11/209:25 am -

2 stops12h 01m

Sat 11/216:05 am -

2 stops12h 28m

Deal found 11/9

$1,085

Fri 11/207:00 am -

1 stop14h 26m

Sun 11/226:05 am -

2 stops9h 28m

Deal found 11/9

$1,211

Last-minute flights from Ontario to Lancaster
Discover last-minute flight deals from Ontario to Lancaster. Data last updated November 10, 2026 and is based on user searches.

Sat 11/77:00 am -

1 stop10h 01m

Sun 11/226:05 am -

2 stops17h 10m

Deal found 11/6

$895

Tue 11/107:00 am -

1 stop14h 26m

Sat 11/146:05 am -

2 stops9h 28m

Deal found 11/6

$890

Thu 11/129:25 am -

2 stops12h 01m

Tue 11/176:05 am -

2 stops14h 56m

Deal found 11/6

$789

Thu 11/129:25 am -

2 stops12h 01m

Mon 11/166:05 am -

2 stops14h 51m

Deal found 11/7

$865

Fri 11/139:25 am -

2 stops12h 01m

Wed 11/186:05 am -

2 stops9h 28m

Deal found 11/6

$749

Sat 11/147:00 am -

1 stop10h 01m

Tue 11/176:05 am -

2 stops12h 28m

Deal found 11/6

$744

Wed 12/305:00 am -

2 stops11h 56m

Mon 1/49:47 am -

2 stops14h 13m

Deal found 11/9

$609

Wed 12/305:00 am -

2 stops11h 56m

Sun 1/32:36 pm -

2 stops24h 22m

Deal found 11/9

$716

One-way flights from Ontario to Lancaster
Search for one-way flight options from Ontario to Lancaster. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.

Thu 12/3111:52 pm -

1 stop17h 04m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 11/5

$343

Mon 1/117:00 am -

1 stop14h 26m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 11/7

$387

Tue 12/2911:52 pm -

1 stop17h 04m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 11/5

$393

Fri 11/277:00 am -

1 stop14h 26m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 11/8

$417

Fri 1/111:52 pm -

1 stop17h 04m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 11/9

$429

Sun 1/107:00 am -

1 stop14h 26m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 11/7

$452

Sun 12/275:00 am -

2 stops11h 56m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 11/8

$474

Wed 12/3011:52 pm -

1 stop17h 04m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 11/5

$523

Sun 11/159:25 am -

2 stops12h 01m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 11/8

$599

Find flight deals from Ontario to Lancaster

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$564 (United Airlines)
One-way from	$343 (United Airlines)

Provider with most accurate pricing for Ontario-Lancaster flight deals.

Search Deals

Provider most trusted by Cheapflights users for Ontario-Lancaster flights.

Search Deals

From Ontario to Lancaster

Search Deals

One-way flight from Ontario to Lancaster

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioLancaster

ONT Ontario - LNS Lancaster

ONTLNS

Ontario

Thu 12/31

11:52 pm-7:56 pm

1 stop17h 04m

Lancaster

Wed 12/31

12:00 am-9:00 pm

Nonstop0h 00m

$343

OntarioLancaster

ONT Ontario - LNS Lancaster

ONTLNS

Ontario

Mon 1/11

7:00 am-12:26 am

1 stop14h 26m

Lancaster

Wed 12/31

12:00 am-9:00 pm

Nonstop0h 00m

$387

OntarioLancaster

ONT Ontario - LNS Lancaster

ONTLNS

Ontario

Tue 12/29

11:52 pm-7:56 pm

1 stop17h 04m

Lancaster

Wed 12/31

12:00 am-9:00 pm

Nonstop0h 00m

$393

OntarioLancaster

ONT Ontario - LNS Lancaster

ONTLNS

Ontario

Fri 11/27

7:00 am-12:26 am

1 stop14h 26m

Lancaster

Wed 12/31

12:00 am-9:00 pm

Nonstop0h 00m

$417

OntarioLancaster

ONT Ontario - LNS Lancaster

ONTLNS

Ontario

Fri 1/1

11:52 pm-7:56 pm

1 stop17h 04m

Lancaster

Wed 12/31

12:00 am-9:00 pm

Nonstop0h 00m

$429

OntarioLancaster

ONT Ontario - LNS Lancaster

ONTLNS

Ontario

Sun 1/10

7:00 am-12:26 am

1 stop14h 26m

Lancaster

Wed 12/31

12:00 am-9:00 pm

Nonstop0h 00m

$452

Quickest round-trip

OntarioLancaster

ONT Ontario - LNS Lancaster

ONTLNS

Ontario

Sun 12/27

5:00 am-7:56 pm

2 stops11h 56m

Lancaster

Wed 12/31

12:00 am-9:00 pm

Nonstop0h 00m

$474

OntarioLancaster

ONT Ontario - LNS Lancaster

ONTLNS

Ontario

Wed 12/30

11:52 pm-7:56 pm

1 stop17h 04m

Lancaster

Wed 12/31

12:00 am-9:00 pm

Nonstop0h 00m

$523

OntarioLancaster

ONT Ontario - LNS Lancaster

ONTLNS

Ontario

Sat 2/20

7:35 am-12:30 am

2 stops13h 55m

Lancaster

Fri 2/26

9:00 am-8:34 pm

2 stops14h 34m

$569

OntarioLancaster

ONT Ontario - LNS Lancaster

ONTLNS

Ontario

Sat 2/20

7:35 am-12:30 am

2 stops13h 55m

Lancaster

Tue 2/23

9:00 am-5:59 pm

2 stops11h 59m

$569

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 18 resultsSorted by cheapest first

Most accurate provider: When it comes to deals on Ontario-Lancaster, Pennsylvania flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Lancaster, Pennsylvania flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Lancaster, Pennsylvania flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Ontario-Lancaster, Pennsylvania flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Lancaster, Pennsylvania flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Lancaster

Have a flexible travel schedule? Discover the best time to fly to Lancaster from Ontario with our price prediction graph.

ONT-LNS

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

How long is the flight from Ontario to Lancaster, Pennsylvania?
For as low as $569, United Airlines can have you in Lancaster, Pennsylvania from Ontario in 13h 55m. Ontario and Lancaster, Pennsylvania are separated by a distance of 2292 mi.
Can I find deals for flights from Ontario to Lancaster that include hotel bookings?
Yes. In addition to deals on Ontario to Lancaster flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Lancaster?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Lancaster.
Can I find deals for business class flights from Ontario to Lancaster?
Yes. Cheapflights offers flight deals from Ontario to Lancaster by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Manheim

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Flights by cabin class

Lancaster flight routes

Other flight options

Other flights from Ontario

Popular flights

Alternative routes for Ontario to Lancaster

San Francisco to John F Kennedy Intl flights

San Francisco to Newark flights

San Francisco to LaGuardia flights

Los Angeles to John F Kennedy Intl flights

Los Angeles to Newark flights

Los Angeles to LaGuardia flights

Los Angeles to Dulles Intl flights

San Diego to John F Kennedy Intl flights

Los Angeles to Reagan-National flights

Santa Ana to John F Kennedy Intl flights

Ontario to John F Kennedy Intl flights

San Diego to Newark flights

Ontario to Newark flights

San Francisco to Dulles Intl flights

San Francisco to Philadelphia flights

San Francisco to Reagan-National flights

Las Vegas to John F Kennedy Intl flights

Santa Ana to Newark flights

Burbank to John F Kennedy Intl flights

Ontario to LaGuardia flights

San Diego to LaGuardia flights

San Jose to John F Kennedy Intl flights

Las Vegas to Newark flights

San Jose to Newark flights

Los Angeles to Philadelphia flights

Burbank to Newark flights

Long Beach to John F Kennedy Intl flights

Santa Ana to LaGuardia flights

San Diego to Dulles Intl flights

Oakland to Newark flights

Long Beach to Newark flights

Oakland to John F Kennedy Intl flights

Ontario to Dulles Intl flights

Sacramento to Newark flights

Sacramento to John F Kennedy Intl flights

Las Vegas to LaGuardia flights

Ontario to Reagan-National flights

Los Angeles to Pittsburgh flights

San Diego to Reagan-National flights

Ontario to Philadelphia flights

Las Vegas to Dulles Intl flights

Sacramento to LaGuardia flights

Palm Springs to John F Kennedy Intl flights

San Jose to LaGuardia flights

Fresno to Reagan-National flights

Fresno to Dulles Intl flights

San Diego to Philadelphia flights

Burbank to LaGuardia flights

Las Vegas to Philadelphia flights

Santa Ana to Dulles Intl flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$343+ Cheap flights from Ontario to Lancaster, PA (ONT - LNS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/31. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Lancaster with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Lancaster

Cheapest flights from Ontario to LancasterExplore the most affordable flight options available from Ontario to Lancaster. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2026.

Explore the most affordable flight options available from Ontario to Lancaster. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2026.

Best flights from Ontario to LancasterDiscover carefully curated flight deals from Ontario to Lancaster that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.

Discover carefully curated flight deals from Ontario to Lancaster that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.

Last-minute flights from Ontario to LancasterDiscover last-minute flight deals from Ontario to Lancaster. Data last updated November 10, 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Lancaster. Data last updated November 10, 2026 and is based on user searches.

One-way flights from Ontario to LancasterSearch for one-way flight options from Ontario to Lancaster. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.

Search for one-way flight options from Ontario to Lancaster. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.

Find flight deals from Ontario to Lancaster

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Lancaster that are best for you.

Best time to book a flight from Ontario to Lancaster

Have a flexible travel schedule? Discover the best time to fly to Lancaster from Ontario with our price prediction graph.

Related info for your journey

How long is the flight from Ontario to Lancaster, Pennsylvania?

Can I find deals for flights from Ontario to Lancaster that include hotel bookings?

How can I find direct flights from Ontario to Lancaster?

Can I find deals for business class flights from Ontario to Lancaster?

Traveling to a place near Lancaster?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Lancaster

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Lancaster by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Ontario to Lancaster by cabin class

Find flights from Ontario to Lancaster, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Lancaster

Explore flights to Lancaster departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 10, 2026.

Ontario and Lancaster flights

Browse other Ontario and Lancaster flight options. Last updated on November 10, 2026.

Other flights from Ontario

Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on November 10, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Ontario to Lancaster
Explore the most affordable flight options available from Ontario to Lancaster. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2026.

Best flights from Ontario to Lancaster
Discover carefully curated flight deals from Ontario to Lancaster that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.

Last-minute flights from Ontario to Lancaster
Discover last-minute flight deals from Ontario to Lancaster. Data last updated November 10, 2026 and is based on user searches.

One-way flights from Ontario to Lancaster
Search for one-way flight options from Ontario to Lancaster. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.