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Liberia

$209+ Cheap flights from Ontario (ONT) to Liberia (LIR)

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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LIR
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Ontario to Liberia

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Liberia (LIR). 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 September 17, 2025.

Round-trip from

$517
(Alaska Airlines)

One-way from

$209
(CheapOair)

Popular in

October

Cheapest in

March

Average price

$784
From Ontario to Liberia
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One-way flight from Ontario to Liberia
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Highest demand for flights based on searches. 29% potential increase in price ($308 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($58 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to Liberia

Cheapest flights from Ontario to Liberia
Explore the most affordable flight options available from Ontario to Liberia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:20 amONT - LIR
2 stops22h 00mAlaska Airlines
Tue 11/411:20 amLIR - ONT
3 stops25h 45mAlaska Airlines
Deal found 9/14$535
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 10/301:40 pmONT - LIR
2 stops21h 30mUnited Airlines
Tue 11/412:50 pmLIR - ONT
1 stop9h 54mUnited Airlines
Deal found 9/14$539
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 10/315:05 amONT - LIR
1 stop9h 03mUnited Airlines
Tue 11/48:35 amLIR - ONT
2 stops16h 16mUnited Airlines
Deal found 9/14$543
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3012:48 pmONT - LIR
2 stops21h 57mAmerican Airlines
Tue 11/43:08 pmLIR - ONT
1 stop9h 21mAmerican Airlines
Deal found 9/15$551
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 11/86:00 amONT - LIR
1 stop11h 31mUnited Airlines
Fri 11/148:35 amLIR - ONT
1 stop15h 14mUnited Airlines
Deal found 9/15$552
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2010:00 pmONT - LIR
1 stop13h 00mDelta
Thu 10/231:25 pmLIR - ONT
1 stop9h 57mDelta
Deal found 9/15$581
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1710:00 pmONT - LIR
1 stop13h 00mDelta
Fri 10/241:25 pmLIR - ONT
1 stop9h 57mDelta
Deal found 9/15$601
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/171:15 pmONT - LIR
2 stops21h 45mDelta
Thu 10/231:25 pmLIR - ONT
1 stop9h 57mDelta
Deal found 9/15$605
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/810:34 pmONT - LIR
2 stops11h 44mAmerican Airlines
Sat 11/153:08 pmLIR - ONT
1 stop9h 21mAmerican Airlines
Deal found 9/15$633
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:20 amONT - LIR
2 stops22h 00mAlaska Airlines
Tue 11/411:20 amLIR - ONT
3 stops29h 57mAlaska Airlines
Deal found 9/14$639

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Liberia 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 September 17, 2025.
Use the filters below to find and compare flights from Ontario to Liberia that are best for you.

Fly from

Ontario

Fly to

Liberia

Route

Depart

Return

Price

OntarioLiberia

ONT - LIR

ONTLIR

Ontario

Thu 10/30

7:20 am-6:20 am

2 stops22h 00m

Liberia

Tue 11/4

11:20 am-9:58 am

2 stops24h 38m

$535

OntarioLiberia

ONT - LIR

ONTLIR

Ontario

Thu 11/6

6:05 am-6:37 pm

1 stop10h 32m

Liberia

Tue 11/11

8:35 am-9:49 pm

1 stop15h 14m

$539

OntarioLiberia

ONT - LIR

ONTLIR

Ontario

Sat 11/8

6:38 pm-1:10 pm

2 stops16h 32m

Liberia

Fri 11/14

8:35 am-9:49 pm

1 stop15h 14m

$539

OntarioLiberia

ONT - LIR

ONTLIR

Ontario

Thu 10/30

5:05 am-3:08 pm

1 stop9h 03m

Liberia

Tue 11/4

2:20 pm-9:49 pm

1 stop9h 29m

$539

OntarioLiberia

ONT - LIR

ONTLIR

Ontario

Wed 3/4

5:40 am-4:08 pm

1 stop8h 28m

Liberia

Wed 3/11

7:50 am-9:21 pm

1 stop14h 31m

$641

OntarioLiberia

ONT - LIR

ONTLIR

Ontario

Mon 11/17

5:05 am-4:08 pm

1 stop9h 03m

Liberia

Tue 11/25

8:35 am-9:49 pm

1 stop15h 14m

$641

OntarioLiberia

ONT - LIR

ONTLIR

Ontario

Tue 11/18

6:38 pm-1:10 pm

2 stops16h 32m

Liberia

Tue 11/25

8:35 am-9:49 pm

1 stop15h 14m

$645

OntarioLiberia

ONT - LIR

ONTLIR

Ontario

Sun 11/16

6:05 am-6:37 pm

1 stop10h 32m

Liberia

Tue 11/25

8:35 am-8:44 pm

2 stops14h 09m

$645

OntarioLiberia

ONT - LIR

ONTLIR

Ontario

Mon 3/9

5:40 am-3:08 pm

1 stop8h 28m

Liberia

Wed 3/11

7:50 am-8:17 pm

2 stops13h 27m

$645

OntarioLiberia

ONT - LIR

ONTLIR

Ontario

Sun 3/8

10:30 pm-1:30 pm

1 stop14h 00m

$250

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 18 results
1
2

Best time to book a flight from Ontario to Liberia

Have a flexible travel schedule? Discover the best time to fly to Liberia from Ontario 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 Ontario to Liberia

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

Currently, October is the cheapest month in which you can book a flight from Ontario to Liberia (average of $496). Flying from Ontario to Liberia in March is currently the most expensive (average of $710). 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.

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

Find hourly flight availability from Ontario to Liberia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

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

Reviews of airlines servicing Liberia

Get insights into the airlines that provide service to Liberia. 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 Liberia. Reviews last updated September 17, 2025.
Read reviews from past customers who have flown United Airlines and American Airlines from Ontario to Liberia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

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

  • How long is the flight from Ontario to Liberia?

    Alaska Airlines and United Airlines can get you from Ontario to Liberia in just under 10h 32m. Your travel time can differ by up to 11h 28m. There are 2590 mi between Ontario and Liberia. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Ontario to Liberia round-trip?

    According to our current data, American Airlines ($521), and United Airlines ($579) offers the cheapest pricing from Ontario to Liberia. American Airlines is priced at 30% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Liberia 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 Ontario to Liberia?

    Currently, October is the cheapest month in which you can book a flight from Ontario to Liberia (average of $496). Flying from Ontario to Liberia in March is currently the most expensive (average of $710). 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

Traveling to a place near Liberia?

Book flights to Liberia if you plan to visit one of these locations
Culebra

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Top 2 airlines flying from Ontario to Liberia

Discover the top 2 airlines that operate flights from Ontario to Liberia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$521Average$714FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$579Average$732FlexibilityNo cancel feeOn-time69%

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