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$439+ Cheap flights from Ontario (ONT) to Uruguay

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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MVD
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
1 adult, Economy
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Cheap flight deals from Ontario to Uruguay

Keep the following information in mind while searching for Ontario to Uruguay flight deals. Data was last updated January 6, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,073
(United Airlines)

One-way from

$439
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$1,121
Provider with most accurate pricing for Los Angeles-Montevideo Carrasco flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Montevideo Carrasco flights.
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From Ontario to Uruguay
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One-way flight from Ontario to Uruguay
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Highest demand for flights based on searches. 10% potential increase in price ($113 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Ontario to Uruguay

Cheapest flights from Ontario to Uruguay
Explore the most affordable flight options available from Ontario to Uruguay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 6, 2026.

This United Airlines deal was found by Cheapflights users on 1/5. 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.
Wed 2/258:00 amONT - MVD
2 stops18h 26mUnited Airlines
Mon 3/2312:52 amMVD - ONT
2 stops21h 15mUnited Airlines
Deal found 1/5$1,073
This United Airlines deal was found by Cheapflights users on 1/4. 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 3/196:00 amONT - MVD
2 stops21h 26mUnited Airlines
Fri 4/1012:47 amMVD - ONT
2 stops25h 03mUnited Airlines
Deal found 1/4$1,113
This LATAM Airlines deal was found by Cheapflights users on 1/4. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1010:59 pmONT - MVD
2 stops38h 46mMultiple Airlines
Sun 5/314:55 pmMVD - ONT
2 stops33h 14mMultiple Airlines
Deal found 1/4$1,183
This United Airlines deal was found by Cheapflights users on 1/6. 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 3/206:00 amONT - MVD
2 stops21h 26mUnited Airlines
Sun 3/2912:51 amMVD - ONT
2 stops25h 35mUnited Airlines
Deal found 1/6$1,348
This United Airlines deal was found by Cheapflights users on 1/5. 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.
Mon 3/166:00 amONT - MVD
2 stops21h 26mUnited Airlines
Tue 3/1712:52 amMVD - ONT
2 stops25h 44mUnited Airlines
Deal found 1/5$1,577
This American Airlines deal was found by Cheapflights users on 1/5. 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.
Mon 1/2610:58 amONT - MVD
2 stops18h 17mAmerican Airlines
Sun 2/811:05 pmMVD - ONT
2 stops20h 13mAmerican Airlines
Deal found 1/5$1,714
This KAYAK deal was found by Cheapflights users on 1/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/412:41 pmONT - MVD
2 stops21h 24mLATAM Airlines
Sun 2/156:35 pmMVD - ONT
2 stops22h 27mLATAM Airlines
Deal found 1/5$1,791
This American Airlines deal was found by Cheapflights users on 1/4. 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.
Sun 5/107:30 amONT - MVD
3 stops24h 45mAmerican Airlines
Sun 5/311:05 pmMVD - ONT
2 stops28h 27mAmerican Airlines
Deal found 1/4$2,759
This United Airlines deal was found by Cheapflights users on 1/5. 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 10/306:02 amONT - MVD
2 stops21h 29mUnited Airlines
Sun 11/2912:53 amMVD - ONT
2 stops24h 27mUnited Airlines
Deal found 1/5$5,053
This United Airlines deal was found by Cheapflights users on 1/6. 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 2/178:00 amONT - MVD
2 stops18h 26mUnited Airlines
Mon 3/212:52 amMVD - ONT
2 stops24h 58mUnited Airlines
Deal found 1/6$5,313

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Uruguay 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 January 6, 2026.
Use the filters below to find and compare flights from Ontario to Uruguay that are best for you.

Fly from

Ontario

Fly to

Uruguay

Route

Depart

Return

Price

OntarioMontevideo

ONT - MVD

ONTMVD

Ontario

Wed 2/25

8:00 am-7:26 am

2 stops18h 26m

Montevideo Carrasco

Mon 3/23

12:52 am-6:07 pm

2 stops21h 15m

$1,073

OntarioMontevideo

ONT - MVD

ONTMVD

Ontario

Thu 3/19

6:00 am-7:26 am

2 stops21h 26m

Montevideo Carrasco

Fri 4/10

12:47 am-9:50 pm

2 stops25h 03m

$1,113

OntarioMontevideo

ONT - MVD

ONTMVD

Ontario

Sun 5/10

10:59 pm-5:45 pm

2 stops38h 46m

Montevideo Carrasco

Sun 5/31

4:55 pm-10:09 pm

2 stops33h 14m

$1,183

OntarioMontevideo

ONT - MVD

ONTMVD

Ontario

Fri 3/20

6:00 am-7:26 am

2 stops21h 26m

Montevideo Carrasco

Sun 3/29

12:51 am-10:26 pm

2 stops25h 35m

$1,348

OntarioMontevideo

ONT - MVD

ONTMVD

Ontario

Mon 3/16

6:00 am-7:26 am

2 stops21h 26m

Montevideo Carrasco

Tue 3/17

12:52 am-10:36 pm

2 stops25h 44m

$1,577

OntarioMontevideo

ONT - MVD

ONTMVD

Ontario

Mon 1/26

10:58 am-10:15 am

2 stops18h 17m

Montevideo Carrasco

Sun 2/8

11:05 pm-2:18 pm

2 stops20h 13m

$1,714

OntarioMontevideo

ONT - MVD

ONTMVD

Ontario

Wed 2/4

12:41 pm-3:05 pm

2 stops21h 24m

Montevideo Carrasco

Sun 2/15

6:35 pm-12:02 pm

2 stops22h 27m

$1,791

OntarioMontevideo

ONT - MVD

ONTMVD

Ontario

Sun 5/10

7:30 am-12:15 pm

3 stops24h 45m

Montevideo Carrasco

Sun 5/31

1:05 pm-1:32 pm

2 stops28h 27m

$2,759

OntarioMontevideo

ONT - MVD

ONTMVD

Ontario

Wed 3/18

4:49 pm-6:00 am

3 stops33h 11m

$439

OntarioMontevideo

ONT - MVD

ONTMVD

Ontario

Fri 3/20

3:41 pm-6:00 am

3 stops58h 19m

$544

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

Showing 1-10 of 20 results
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Best time to book a flight from Ontario to Uruguay

Have a flexible travel schedule? Discover the best time to fly to Uruguay 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 Uruguay

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

Currently, April is the cheapest month in which you can book a flight from Ontario to Uruguay (average of $344). Flying from Ontario to Uruguay in January is currently the most expensive (average of $837). 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.

Related info for your journey

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

  • What airport do you fly from for flights from Ontario to Uruguay?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Uruguay.

  • How long is the flight from Ontario to Uruguay?

    There are many flights that can get you from Ontario to Uruguay in 18h 26m. Fly via United Airlines to get the fastest option. There are 6199 mi between Ontario and Uruguay.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Ontario to Uruguay (average of $344). Flying from Ontario to Uruguay in January is currently the most expensive (average of $837). 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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