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$202+ Cheap flights from San Salvador (SAL) 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
SAL — ONT
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from San Salvador El Salvador Intl to Ontario are usually found in February or October, booked 31 days in advance, depart on a Sunday or Monday and return on a Tuesday

Cheap flight deals from San Salvador to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from San Salvador (SAL) 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 September 15, 2025.

Round-trip from

$335
(Kiwi.com)

One-way from

$202
(Kiwi.com)

Popular in

April

Cheapest in

February

Average price

$374

Good round-trip deal

$354 or less

Good one-way deal

$346 or less
From San Salvador El Salvador Intl to Ontario
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One-way flight from San Salvador El Salvador Intl to Ontario
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Highest demand for flights based on searches. 6% potential increase in price ($28 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 September 2025
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Price to beat on a round-trip flight from San Salvador El Salvador Intl to Ontario.
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Price to beat on a one-way flight from San Salvador El Salvador Intl to Ontario.
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Find flight deals from San Salvador to Ontario

Cheapest flights from San Salvador to Ontario
Explore the most affordable flight options available from San Salvador to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/165:35 pmSAL - ONT
Nonstop5h 20mAvianca
Tue 9/2311:25 pmONT - SAL
Nonstop4h 40mAvianca
Deal found 9/14$345
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/75:35 pmSAL - ONT
Nonstop5h 20mAvianca
Sat 10/2511:25 pmONT - SAL
Nonstop4h 40mAvianca
Deal found 9/13$354
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/115:35 pmSAL - ONT
Nonstop5h 20mAvianca
Sat 10/2511:25 pmONT - SAL
Nonstop4h 40mAvianca
Deal found 9/14$359
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/235:35 pmSAL - ONT
Nonstop5h 20mAvianca
Sat 9/2711:25 pmONT - SAL
Nonstop4h 40mAvianca
Deal found 9/14$360
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/308:00 amSAL - ONT
1 stop11h 49mMultiple Airlines
Thu 11/67:44 pmONT - SAL
2 stops15h 25mMultiple Airlines
Deal found 9/15$361
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:35 pmSAL - ONT
Nonstop5h 20mAvianca
Sat 11/810:30 pmONT - SAL
Nonstop4h 50mAvianca
Deal found 9/15$362
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/185:35 pmSAL - ONT
Nonstop5h 20mAvianca
Thu 9/2511:25 pmONT - SAL
Nonstop4h 40mAvianca
Deal found 9/14$364
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/95:35 pmSAL - ONT
Nonstop5h 20mMultiple Airlines
Thu 10/236:53 amONT - SAL
2 stops28h 31mMultiple Airlines
Deal found 9/14$375
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/235:35 pmSAL - ONT
Nonstop5h 20mAvianca
Sat 11/111:30 pmONT - SAL
Nonstop4h 50mAvianca
Deal found 9/15$379
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/111:45 pmSAL - ONT
2 stops19h 04mMultiple Airlines
Sat 10/2511:25 pmONT - SAL
Nonstop4h 40mMultiple Airlines
Deal found 9/14$380
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/215:35 pmSAL - ONT
Nonstop5h 20mAvianca
Sat 1/310:30 pmONT - SAL
Nonstop4h 50mAvianca
Deal found 9/14$399

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Salvador 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 September 15, 2025.
Use the filters below to find and compare flights from San Salvador to Ontario that are best for you.

Fly from

San Salvador

Fly to

Ontario

Route

Depart

Return

Price

San SalvadorOntario

SAL - ONT

SALONT

San Salvador El Salvador Intl

Mon 1/26

6:55 am-9:58 pm

1 stop17h 03m

Ontario

Mon 2/2

6:00 am-7:38 pm

1 stop11h 38m

$428

San SalvadorOntario

SAL - ONT

SALONT

San Salvador El Salvador Intl

Thu 1/29

2:50 pm-9:58 pm

1 stop9h 08m

Ontario

Sun 2/1

6:00 am-3:24 pm

1 stop7h 24m

$428

San SalvadorOntario

SAL - ONT

SALONT

San Salvador El Salvador Intl

Wed 1/28

6:55 am-9:58 pm

1 stop17h 03m

Ontario

Thu 2/5

6:00 am-3:24 pm

1 stop7h 24m

$428

San SalvadorOntario

SAL - ONT

SALONT

San Salvador El Salvador Intl

Fri 9/26

6:00 am-9:24 pm

1 stop16h 24m

Ontario

Mon 10/6

6:00 am-2:23 pm

1 stop7h 23m

$428

San SalvadorOntario

SAL - ONT

SALONT

San Salvador El Salvador Intl

Mon 1/26

6:55 am-9:58 pm

1 stop17h 03m

Ontario

Sun 2/1

6:00 am-9:19 pm

1 stop13h 19m

$428

San SalvadorOntario

SAL - ONT

SALONT

San Salvador El Salvador Intl

Sun 1/25

6:55 am-9:58 pm

1 stop17h 03m

Ontario

Tue 2/3

6:00 am-9:19 pm

1 stop13h 19m

$428

San SalvadorOntario

SAL - ONT

SALONT

San Salvador El Salvador Intl

Wed 1/28

6:55 am-10:53 pm

2 stops17h 58m

Ontario

Wed 2/4

5:05 am-7:38 pm

2 stops12h 33m

$432

San SalvadorOntario

SAL - ONT

SALONT

San Salvador El Salvador Intl

Wed 10/1

6:00 am-9:24 pm

1 stop16h 24m

Ontario

Sat 10/4

6:51 pm-2:23 pm

2 stops18h 32m

$432

San SalvadorOntario

SAL - ONT

SALONT

San Salvador El Salvador Intl

Fri 1/23

2:30 am-10:53 pm

2 stops22h 23m

Ontario

Tue 2/3

6:00 am-9:19 pm

1 stop13h 19m

$432

San SalvadorOntario

SAL - ONT

SALONT

San Salvador El Salvador Intl

Fri 1/30

2:50 pm-12:14 pm

2 stops23h 24m

Ontario

Wed 2/4

6:00 am-7:38 pm

1 stop11h 38m

$432

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 21 results
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2
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Best time to book a flight from San Salvador to Ontario

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

How far ahead should I book a flight from San Salvador to Ontario?

Use this chart to determine the optimal time to book a round-trip flight from San Salvador to Ontario. Price data was last updated on September 12, 2025.

Booking 31 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Salvador to Ontario. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from San Salvador to Ontario (average of $246). Flying from San Salvador 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.

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

Find hourly flight availability from San Salvador to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 52% on flights from San Salvador to Ontario by exploring options for tickets in the evening.

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 September 15, 2025.
Get a feel of what it's like to fly with United Airlines and Avianca from San Salvador to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Avianca
6.7
Okay
2,435 reviews
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

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

  • How popular is this San Salvador to Ontario flight route?

    Flights from San Salvador El Salvador Intl to Ontario have been viewed 15 times in the past calendar month.

  • How long is the flight from San Salvador to Ontario?

    A quick flight from San Salvador to Ontario can take about 17h 03m. United Airlines provides one of the quickest options available for as low as $428. San Salvador and Ontario are separated by a distance of 2283 mi.

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

    Currently priced at $187, United Airlines will fly you from San Salvador to Ontario and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Avianca for as low as $294. United Airlines is currently priced 54% below the average price you’ll pay for this route.

  • What are the cheapest flights from San Salvador to Ontario?

    The cheapest flight price from San Salvador to Ontario is $199. On average you can expect to pay $417. The most popular route, (San Salvador El Salvador Intl - Ontario), can usually be booked for $344.

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

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

  • How can I find direct flights from San Salvador to Ontario?

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

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

    Yes. Cheapflights offers flight deals from San Salvador 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 San Salvador to Ontario?

    Currently, August is the cheapest month in which you can book a flight from San Salvador to Ontario (average of $246). Flying from San Salvador 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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from San Salvador to Ontario

Discover the top 2 airlines that operate flights from San Salvador to Ontario. 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$187Average$515FlexibilityNo cancel feeOn-time69%
AviancaCheapest$294Average$409FlexibilityNo cancel feeOn-time71%

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