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$246+ Cheap flights from Liberia (LIR) to Ontario (ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
LIR — ONT
Jul 23 — Jul 301
Wed 7/23
Wed 7/30
1 adult, Economy
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Cheap flight deals from Liberia to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Liberia (LIR) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 18, 2025.

Round-trip from

$490
(United Airlines)

One-way from

$246
(United Airlines)

Popular in

May

Cheapest in

January

Average price

$499
From Liberia to Ontario
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One-way flight from Liberia to Ontario
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Highest demand for flights based on searches. 9% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Liberia to Ontario

Cheapest flights from Liberia to Ontario
Explore the most affordable flight options available from Liberia to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 18, 2025.

This United Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2512:50 pmLIR - ONT
1 stop9h 54mUnited Airlines
Sun 11/309:35 pmONT - LIR
2 stops13h 35mUnited Airlines
Deal found 7/17$490

Cheapflights Fare Finder

Customize your flight search to find flights from Liberia 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, Cheapflights users made 2,558,603 searches. Data last updated July 18, 2025.
Use the filters below to find and compare flights from Liberia to Ontario that are best for you.

Fly from

Liberia

Fly to

Ontario

Route

Depart

Return

Price

LiberiaOntario

LIR - ONT

LIRONT

Liberia

Tue 11/25

12:50 pm-8:44 pm

1 stop9h 54m

Ontario

Sun 11/30

9:35 pm-1:10 pm

2 stops13h 35m

$490

LiberiaOntario

LIR - ONT

LIRONT

Liberia

Tue 10/21

1:20 pm-9:24 pm

1 stop9h 04m

$246

LiberiaOntario

LIR - ONT

LIRONT

Liberia

Fri 9/12

2:02 pm-10:33 pm

1 stop9h 31m

$251

LiberiaOntario

LIR - ONT

LIRONT

Liberia

Fri 9/12

11:20 am-10:44 am

3 stops24h 24m

$278

LiberiaOntario

LIR - ONT

LIRONT

Liberia

Tue 8/26

2:10 pm-9:59 pm

1 stop32h 49m

$559

LiberiaOntario

LIR - ONT

LIRONT

Liberia

Fri 8/1

12:00 pm-9:55 pm

3 stops34h 55m

$745

LiberiaOntario

LIR - ONT

LIRONT

Liberia

Sun 8/3

1:25 pm-10:47 pm

3 stops34h 22m

$1,128

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/17

Best time to book a flight from Liberia to Ontario

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

Cheapflights Insights

Everything you need to know about your flight from Liberia to Ontario

What is the cheapest month to book a flight from Liberia to Ontario?

Currently, August is the cheapest month in which you can book a flight from Liberia to Ontario (average of $246). Flying from Liberia to Ontario in March is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated July 18, 2025.
Read through reviews of airlines operating flights from Liberia to Ontario, such as Alaska Airlines, United Airlines, and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,864 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,910 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
WestJet
7.2
Good
2,948 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Liberia to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Liberia to Ontario one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $246. American Airlines flights start at $251 while deals on Alaska Airlines start at $278 one-way.

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

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

  • How can I find direct flights from Liberia to Ontario?

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

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

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

  • What is the cheapest month to book a flight from Liberia to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Liberia to Ontario (average of $246). Flying from Liberia to Ontario in March is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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