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La Paz

$421+ Cheap flights from Ontario (ONT) to La Paz (LPB)

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LPB
Jul 26 — Aug 21
Sun 7/26
Sun 8/2
1 adult, Economy
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Cheap flight deals from Ontario to La Paz

Cheapest flights from Ontario to La Paz
Explore the most affordable flight options available from Ontario to La Paz. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2026.

This United deal was found by Cheapflights users on 6/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:00 am
ONT
-
LPB
2 stops17h 20m
Multiple Airlines
Sun 10/113:25 am
LPB
-
ONT
2 stops21h 34m
Multiple Airlines
Deal found 6/25$1,228
This Mytrip deal was found by Cheapflights users on 6/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:55 am
ONT
-
LPB
3 stops24h 00m
Multiple Airlines
Fri 8/215:20 am
LPB
-
ONT
3 stops20h 45m
Multiple Airlines
Deal found 6/24$1,251
This Mytrip deal was found by Cheapflights users on 6/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/259:36 pm
ONT
-
LPB
3 stops25h 44m
Multiple Airlines
Fri 7/313:25 am
LPB
-
ONT
3 stops22h 40m
Multiple Airlines
Deal found 6/25$1,278
This Mytrip deal was found by Cheapflights users on 6/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/149:36 pm
ONT
-
LPB
3 stops25h 44m
Multiple Airlines
Mon 7/203:25 am
LPB
-
ONT
2 stops22h 40m
Multiple Airlines
Deal found 6/24$1,319
This Mytrip deal was found by Cheapflights users on 6/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:55 am
ONT
-
LPB
3 stops24h 00m
Multiple Airlines
Wed 9/95:20 am
LPB
-
ONT
3 stops20h 45m
Multiple Airlines
Deal found 6/24$1,328
This Mytrip deal was found by Cheapflights users on 6/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:35 pm
ONT
-
LPB
2 stops23h 45m
Avianca
Mon 8/243:50 pm
LPB
-
ONT
3 stops32h 55m
Avianca
Deal found 6/26$1,334
This Mytrip deal was found by Cheapflights users on 6/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/129:36 pm
ONT
-
LPB
3 stops25h 44m
Multiple Airlines
Sun 7/263:25 am
LPB
-
ONT
3 stops22h 40m
Multiple Airlines
Deal found 6/25$1,351
This Mytrip deal was found by Cheapflights users on 6/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1212:55 am
ONT
-
LPB
3 stops22h 25m
Multiple Airlines
Sun 7/263:25 am
LPB
-
ONT
3 stops22h 40m
Multiple Airlines
Deal found 6/25$1,353
This Mytrip deal was found by Cheapflights users on 6/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/312:55 am
ONT
-
LPB
3 stops22h 25m
Multiple Airlines
Mon 8/103:25 am
LPB
-
ONT
2 stops22h 40m
Multiple Airlines
Deal found 6/22$1,391
This Mytrip deal was found by Cheapflights users on 6/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/59:36 pm
ONT
-
LPB
3 stops27h 19m
Multiple Airlines
Mon 10/2611:35 pm
LPB
-
ONT
3 stops26h 30m
Multiple Airlines
Deal found 6/25$1,424

Find flight deals from Ontario to La Paz

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to La Paz (LPB). 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 June 26, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$1,228
(United)

One-way from

$421
(United)

Popular in

November

Cheapest in

February

Average price

$911
Provider with most accurate pricing for Ontario-La Paz El Alto Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-La Paz El Alto Intl flights.
Search Deals
From Ontario to La Paz El Alto Intl
Search Deals
One-way flight from Ontario to La Paz El Alto Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($123 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to La Paz 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 June 26, 2026.
Use the filters below to find and compare flights from Ontario to La Paz that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OntarioLa Paz

ONT - LPB

ONTLPB

Ontario

Thu 10/8

6:00 am-2:20 am

2 stops17h 20m

La Paz El Alto Intl

Sun 10/11

3:25 am-9:59 pm

2 stops21h 34m

$1,228

OntarioLa Paz

ONT - LPB

ONTLPB

Ontario

Tue 7/14

9:36 pm-2:20 am

3 stops25h 44m

La Paz El Alto Intl

Mon 7/20

3:25 am-11:05 pm

2 stops22h 40m

$1,319

OntarioLa Paz

ONT - LPB

ONTLPB

Ontario

Tue 9/1

12:55 am-3:55 am

3 stops24h 00m

La Paz El Alto Intl

Wed 9/9

5:20 am-11:05 pm

3 stops20h 45m

$1,328

OntarioLa Paz

ONT - LPB

ONTLPB

Ontario

Sun 7/12

9:36 pm-2:20 am

3 stops25h 44m

La Paz El Alto Intl

Sun 7/26

3:25 am-11:05 pm

3 stops22h 40m

$1,351

OntarioLa Paz

ONT - LPB

ONTLPB

Ontario

Mon 8/3

12:55 am-2:20 am

3 stops22h 25m

La Paz El Alto Intl

Mon 8/10

3:25 am-11:05 pm

2 stops22h 40m

$1,391

OntarioLa Paz

ONT - LPB

ONTLPB

Ontario

Thu 7/23

9:36 pm-2:20 am

3 stops25h 44m

La Paz El Alto Intl

Sun 7/26

3:25 am-11:05 pm

3 stops22h 40m

$1,495

OntarioLa Paz

ONT - LPB

ONTLPB

Ontario

Fri 7/24

9:36 pm-3:55 am

3 stops27h 19m

La Paz El Alto Intl

Fri 7/31

5:20 am-11:05 pm

3 stops20h 45m

$1,525

OntarioLa Paz

ONT - LPB

ONTLPB

Ontario

Sat 7/25

11:35 pm-2:20 am

2 stops23h 45m

La Paz El Alto Intl

Fri 7/31

3:25 am-9:45 pm

2 stops21h 20m

$1,591

OntarioLa Paz

ONT - LPB

ONTLPB

Ontario

Tue 9/29

12:55 am-3:55 am

3 stops24h 00m

La Paz El Alto Intl

Mon 10/5

3:25 am-11:05 pm

2 stops22h 40m

$1,632

OntarioLa Paz

ONT - LPB

ONTLPB

Ontario

Thu 7/23

11:35 pm-2:20 am

2 stops23h 45m

La Paz El Alto Intl

Sun 7/26

3:25 am-9:45 pm

2 stops45h 20m

$1,692

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/21

Showing 1-10 of 18 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Ontario-La Paz flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Ontario-La Paz flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Ontario-La Paz flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-La Paz flights, Cheapflights users trust Ovago the most. Ovago 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-La Paz 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 La Paz

Have a flexible travel schedule? Discover the best time to fly to La Paz 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.

Related info for your journey

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

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

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

  • How can I find direct flights from Ontario to La Paz?

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

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

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

Traveling to a place near La Paz?

Book flights to La Paz if you plan to visit one of these locations
Copacabana

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