What is the cheapest airline that flies from Ontario to Liberia?

United Airlines and Delta are the most popular carriers operating from Ontario to Liberia

What airlines fly to Liberia?

Alaska Airlines, United Airlines and Avianca are the top three most popular airlines that fly to Liberia from Ontario according to our data. Alaska Airlines is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Liberia. Keep in mind that there are 11 different airlines that fly to Liberia on a routine basis, so you have a few additional options to choose from.

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

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

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Liberia Airport.

What documentation or ID do you need to fly to Liberia Airport?

The necessary travel and health documents for your Liberia 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.

$288 Cheap Flights from Ontario to Liberia in 2026/27

Find the cheapest flights from Ontario to Liberia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 pm - 1:10 pmONT Ontario-LIR Liberia

18h 10m2 stops Las Vegas Harry Reid Intl Houston Hobby

2:45 pm - 10:00 pmLIR Liberia-ONT Ontario

9h 15m1 stop Houston Hobby

$577Southwest

Wed, Dec 2 - Wed, Dec 9

6:40 pm - 1:10 pmONT Ontario-LIR Liberia

16h 30m2 stops San Francisco Houston George Bush Intcntl

2:20 pm - 9:38 amLIR Liberia-ONT Ontario

21h 18m2 stops Houston George Bush Intcntl San Francisco

$631United Airlines

Wed, Dec 2 - Wed, Dec 9

6:00 am - 11:45 amONT Ontario-LIR Liberia

28h 45m2 stops Salt Lake City Atlanta Hartsfield-Jackson

2:00 pm - 12:36 pmLIR Liberia-ONT Ontario

24h 36m2 stops Atlanta Hartsfield-Jackson Salt Lake City

$641Delta

Sun, Oct 25 - Tue, Nov 3

2:22 pm - 1:18 pmONT Ontario-LIR Liberia

21h 56m2 stops Dallas/Fort Worth Miami

2:44 pm - 11:53 amLIR Liberia-ONT Ontario

22h 09m2 stops Miami Dallas/Fort Worth

$643American Airlines

Sat, Oct 10 - Fri, Oct 16

11:59 pm - 1:43 pmONT Ontario-LIR Liberia

12h 44m1 stop Dallas/Fort Worth

3:17 pm - 11:46 pmLIR Liberia-ONT Ontario

10h 29m1 stop Dallas/Fort Worth

$670American Airlines

Sat, Oct 24 - Wed, Nov 4

11:15 pm - 11:35 amONT Ontario-LIR Liberia

11h 20m1 stop Atlanta Hartsfield-Jackson

2:00 pm - 12:36 pmLIR Liberia-ONT Ontario

24h 36m2 stops Atlanta Hartsfield-Jackson Salt Lake City

$672Delta

Fri, Oct 23 - Tue, Nov 3

2:22 pm - 1:18 pmONT Ontario-LIR Liberia

21h 56m2 stops Dallas/Fort Worth Miami

3:35 pm - 9:40 amLIR Liberia-ONT Ontario

20h 05m2 stops Miami Dallas/Fort Worth

$675American Airlines

Sat, Oct 24 - Fri, Nov 6

5:00 am - 3:10 pmONT Ontario-LIR Liberia

9h 10m1 stop Denver Intl

1:00 pm - 8:51 pmLIR Liberia-ONT Ontario

9h 51m1 stop Denver Intl

$680United Airlines

Mon, Oct 26 - Wed, Nov 4

1:29 pm - 12:10 pmONT Ontario-LIR Liberia

21h 41m2 stops Denver Intl Houston George Bush Intcntl

2:20 pm - 12:29 pmLIR Liberia-ONT Ontario

24h 09m2 stops Houston George Bush Intcntl San Francisco

$685United Airlines

Wed, Oct 28 - Wed, Nov 4

11:59 pm - 2:35 pmONT Ontario-LIR Liberia

12h 36m1 stop Dallas/Fort Worth

3:17 pm - 11:46 pmLIR Liberia-ONT Ontario

10h 29m1 stop Dallas/Fort Worth

$688GOL

Thu, Nov 12 - Wed, Nov 18

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Delta flights from Ontario to Liberia

Our best Delta deals on Ontario to Liberia flight tickets

Delta

Oct 25

ONT6:00 amOntario

28h 45m

2 stops

LIR11:45 amLiberia

Nov 3

LIR2:00 pmLiberia

24h 36m

2 stops

ONT12:36 pmOntario

$641

Delta

Oct 23

ONT11:15 pmOntario

11h 20m

1 stop

LIR11:35 amLiberia

Nov 3

LIR2:00 pmLiberia

24h 36m

2 stops

ONT12:36 pmOntario

$672

Delta

Sep 27

ONT10:00 pmOntario

13h 00m

1 stop

LIR12:00 pmLiberia

Oct 2

LIR1:25 pmLiberia

9h 59m

1 stop

ONT10:24 pmOntario

$834

American Airlines flights from Ontario to Liberia

Our best American Airlines deals on Ontario to Liberia flight tickets

American Airlines

Oct 10

ONT2:22 pmOntario

21h 56m

2 stops

LIR1:18 pmLiberia

Oct 16

LIR2:44 pmLiberia

22h 09m

2 stops

ONT11:53 amOntario

$643

American Airlines

Oct 24

ONT11:59 pmOntario

12h 44m

1 stop

LIR1:43 pmLiberia

Nov 4

LIR3:17 pmLiberia

10h 29m

1 stop

ONT11:46 pmOntario

$670

American Airlines

Oct 24

ONT4:29 pmOntario

20h 14m

2 stops

LIR1:43 pmLiberia

Nov 4

LIR3:17 pmLiberia

10h 29m

1 stop

ONT11:46 pmOntario

$675

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioLiberia

ONT Ontario - LIR Liberia

ONTLIR

Ontario

Wed 12/2

5:00 pm-1:10 pm

2 stops18h 10m

Liberia

Wed 12/9

2:45 pm-10:00 pm

1 stop9h 15m

$577

OntarioLiberia

ONT Ontario - LIR Liberia

ONTLIR

Ontario

Wed 12/2

6:40 pm-1:10 pm

2 stops16h 30m

Liberia

Wed 12/9

2:20 pm-9:38 am

2 stops21h 18m

$631

OntarioLiberia

ONT Ontario - LIR Liberia

ONTLIR

Ontario

Sun 10/25

6:00 am-11:45 am

2 stops28h 45m

Liberia

Tue 11/3

2:00 pm-12:36 pm

2 stops24h 36m

$641

OntarioLiberia

ONT Ontario - LIR Liberia

ONTLIR

Ontario

Sat 10/10

2:22 pm-1:18 pm

2 stops21h 56m

Liberia

Fri 10/16

2:44 pm-11:53 am

2 stops22h 09m

$643

OntarioLiberia

ONT Ontario - LIR Liberia

ONTLIR

Ontario

Sat 10/24

11:59 pm-1:43 pm

1 stop12h 44m

Liberia

Wed 11/4

3:17 pm-11:46 pm

1 stop10h 29m

$670

OntarioLiberia

ONT Ontario - LIR Liberia

ONTLIR

Ontario

Fri 10/23

11:15 pm-11:35 am

1 stop11h 20m

Liberia

Tue 11/3

2:00 pm-12:36 pm

2 stops24h 36m

$672

OntarioLiberia

ONT Ontario - LIR Liberia

ONTLIR

Ontario

Sat 10/24

2:22 pm-1:18 pm

2 stops21h 56m

Liberia

Fri 11/6

3:35 pm-9:40 am

2 stops20h 05m

$675

Quickest round-trip

OntarioLiberia

ONT Ontario - LIR Liberia

ONTLIR

Ontario

Mon 10/26

5:00 am-3:10 pm

1 stop9h 10m

Liberia

Wed 11/4

1:00 pm-8:51 pm

1 stop9h 51m

$680

OntarioLiberia

ONT Ontario - LIR Liberia

ONTLIR

Ontario

Wed 10/28

1:29 pm-12:10 pm

2 stops21h 41m

Liberia

Wed 11/4

2:20 pm-12:29 pm

2 stops24h 09m

$685

OntarioLiberia

ONT Ontario - LIR Liberia

ONTLIR

Ontario

Thu 11/12

11:59 pm-2:35 pm

1 stop12h 36m

Liberia

Wed 11/18

3:17 pm-11:46 pm

1 stop10h 29m

$688

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Liberia

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

Prices

Airlines

What is the cheapest day to depart on your flight to Liberia?

On average, the least expensive day to fly to Liberia from Ontario is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $543. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to Liberia for around $633.

What is the cheapest time of day to depart on your flight to Liberia?

At noon is the cheapest time of day to fly from Ontario to Liberia when you can find flight prices for as low as $515. Flying to Liberia at noon is an ideal time because this is during off-peak travel hours. Flights to Liberia are more costly in the morning, with an average ticket price of $603. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Ontario to Liberia

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Liberia according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to Liberia (ONT to LIR) flight deals and tips

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

Best Price Found	$288
Fastest flight time	9h 10m
Direct flights	None

The best one-way flight to Liberia from Ontario in the past 72 hours is $288. The best round-trip flight deal from Ontario to Liberia found on momondo in the last 72 hours is $577.

The fastest flight from Ontario to Liberia takes 9h 10m

There are no direct flights from Ontario to Liberia. There are no popular flight routes from Ontario to Liberia.

Search flight deals

Frequently asked questions about flying from Ontario to Liberia

How far is Ontario to Liberia by plane?
Ontario and Liberia are 2596.5 mi apart from one another. A reasonable flight in good conditions will take 9h 10m.
When did momondo last update prices for flights from Ontario Airport to Liberia Airport?
Prices for flights from Ontario Airport to Liberia Airport are updated daily.
How old do you have to be to fly from Ontario Airport to Liberia Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Liberia Airport.
What documentation or ID do you need to fly to Liberia Airport?
The necessary travel and health documents for your Liberia 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.

Culebra

Coco

Playa Hermosa

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Liberia for you.

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

Yes. momondo enables you to select and highlight flights to Liberia from Ontario with this policy.

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

Once all potential Ontario to Liberia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Liberia from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Liberia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sun 10/25

Sun 11/1

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Costa Rica

Nearby airports

Airlines

Cabin classes

Other Costa Rica destinations

Other flights from Ontario

Complete your trip

Feeling lucky

Airports servicing Costa Rica

San José Juan Santamaria Intl Airport

Cheap flights from Ontario to Liberia from $288

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Liberia departing on 10/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Ontario to Liberia

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Delta flights from Ontario to Liberia

Our best Delta deals on Ontario to Liberia flight tickets

American Airlines flights from Ontario to Liberia

Our best American Airlines deals on Ontario to Liberia flight tickets

momondo Fare Finder

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

See travel insights to Liberia from

How to get the cheapest flight ticket from Ontario to Liberia

What is the cheapest day to depart on your flight to Liberia?

What is the cheapest time of day to depart on your flight to Liberia?

What is the cheapest airline that flies from Ontario to Liberia?

What airlines fly to Liberia?

When to book flights from Ontario to Liberia

Cheap Ontario to Liberia (ONT to LIR) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Ontario to Liberia

Traveling to a place near Liberia?

Why use momondo?

An easier way to manage your Liberia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Costa Rica

Airports servicing Costa Rica

Fly your favorite airline to Liberia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Liberia

List of cabin classes available on flights landing in Liberia. Availability may vary depending on flight origin and airline.

Popular cities in Costa Rica

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Ontario

According to popular flight searches on momondo this year

Complete your trip to Liberia

Explore popular destinations other users love

According to popular flight searches on momondo this year