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$131+ Cheap flights from Syracuse to Ontario (SYR - 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
SYR — ONT
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap flight deals from Syracuse to Ontario

Cheapest flights from Syracuse to Ontario
Explore the most affordable flight options available from Syracuse to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

This Delta deal was found by Cheapflights users on 12/3. 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.
Wed 12/1012:18 pmSYR - ONT
1 stop10h 21mDelta
Wed 12/1710:25 pmONT - SYR
1 stop9h 48mDelta
Deal found 12/3$439
This Delta deal was found by Cheapflights users on 12/3. 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 12/1212:18 pmSYR - ONT
1 stop10h 21mDelta
Tue 12/167:05 amONT - SYR
1 stop7h 51mDelta
Deal found 12/3$489
This Delta deal was found by Cheapflights users on 12/3. 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.
Sat 12/136:00 amSYR - ONT
1 stop8h 02mDelta
Sun 12/1410:25 pmONT - SYR
2 stops10h 14mDelta
Deal found 12/3$494
This Delta deal was found by Cheapflights users on 12/3. 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.
Wed 12/1012:18 pmSYR - ONT
1 stop10h 21mDelta
Mon 12/1512:12 pmONT - SYR
1 stop8h 21mDelta
Deal found 12/3$497
This United Airlines deal was found by Cheapflights users on 12/3. 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 12/3111:00 amSYR - ONT
2 stops14h 25mUnited Airlines
Wed 1/71:24 pmONT - SYR
1 stop6h 49mUnited Airlines
Deal found 12/3$500
This United Airlines deal was found by Cheapflights users on 12/3. 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 12/185:45 amSYR - ONT
2 stops9h 53mUnited Airlines
Sat 12/2011:59 pmONT - SYR
1 stop7h 20mUnited Airlines
Deal found 12/3$507
This Delta deal was found by Cheapflights users on 12/2. 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.
Sat 12/66:00 amSYR - ONT
1 stop8h 02mDelta
Mon 12/812:12 pmONT - SYR
1 stop8h 21mDelta
Deal found 12/2$537
This United Airlines deal was found by Cheapflights users on 12/2. 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 12/65:45 amSYR - ONT
2 stops9h 47mUnited Airlines
Mon 12/86:41 pmONT - SYR
2 stops12h 07mUnited Airlines
Deal found 12/2$547
This American Airlines deal was found by Cheapflights users on 12/3. 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.
Wed 12/317:25 amSYR - ONT
2 stops14h 03mAmerican Airlines
Wed 1/79:59 amONT - SYR
2 stops10h 28mAmerican Airlines
Deal found 12/3$558
This Delta deal was found by Cheapflights users on 12/2. 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 12/512:18 pmSYR - ONT
1 stop10h 21mDelta
Mon 12/810:25 pmONT - SYR
1 stop9h 48mDelta
Deal found 12/2$569

Find flight deals from Syracuse to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Syracuse (SYR) 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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$309
(Delta)

One-way from

$131
(Kiwi.com)

Popular in

March

Cheapest in

April

Average price

$408
Provider with most accurate pricing for Syracuse Hancock Intl-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Syracuse Hancock Intl-Ontario flights.
Search Deals
From Syracuse Hancock Intl to Ontario
Search Deals
One-way flight from Syracuse Hancock Intl to Ontario
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($45 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Syracuse 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 December 4, 2025.
Use the filters below to find and compare flights from Syracuse to Ontario that are best for you.

Fly from

Syracuse

Fly to

Ontario

Route

Depart

Return

Price

SyracuseOntario

SYR - ONT

SYRONT

Syracuse Hancock Intl

Tue 2/3

6:00 am-11:31 am

1 stop8h 31m

Ontario

Sat 2/7

12:41 pm-11:51 pm

1 stop8h 10m

$309

SyracuseOntario

SYR - ONT

SYRONT

Syracuse Hancock Intl

Tue 2/3

6:00 am-11:31 am

1 stop8h 31m

Ontario

Sun 2/8

10:30 pm-11:05 am

1 stop9h 35m

$309

SyracuseOntario

SYR - ONT

SYRONT

Syracuse Hancock Intl

Sat 1/31

3:00 pm-9:05 pm

1 stop9h 05m

Ontario

Thu 2/5

10:30 pm-11:05 am

1 stop9h 35m

$309

SyracuseOntario

SYR - ONT

SYRONT

Syracuse Hancock Intl

Sat 1/31

11:43 am-9:05 pm

2 stops12h 22m

Ontario

Wed 2/4

10:30 pm-11:37 am

2 stops10h 07m

$319

SyracuseOntario

SYR - ONT

SYRONT

Syracuse Hancock Intl

Sat 1/31

11:43 am-9:05 pm

2 stops12h 22m

Ontario

Sun 2/8

10:30 pm-11:37 am

2 stops10h 07m

$319

SyracuseOntario

SYR - ONT

SYRONT

Syracuse Hancock Intl

Wed 2/4

12:18 pm-9:05 pm

2 stops11h 47m

Ontario

Sat 2/7

10:30 pm-3:18 pm

2 stops13h 48m

$319

SyracuseOntario

SYR - ONT

SYRONT

Syracuse Hancock Intl

Sat 1/31

11:43 am-9:05 pm

2 stops12h 22m

Ontario

Mon 2/2

10:30 pm-11:37 am

2 stops10h 07m

$319

SyracuseOntario

SYR - ONT

SYRONT

Syracuse Hancock Intl

Mon 2/2

12:18 pm-11:31 am

2 stops26h 13m

Ontario

Sun 2/8

10:30 pm-11:37 am

2 stops10h 07m

$371

SyracuseOntario

SYR - ONT

SYRONT

Syracuse Hancock Intl

Sat 1/31

6:00 am-11:31 am

1 stop8h 31m

Ontario

Fri 2/6

10:30 pm-3:18 pm

2 stops13h 48m

$372

SyracuseOntario

SYR - ONT

SYRONT

Syracuse Hancock Intl

Sun 1/18

6:00 am-11:31 am

1 stop8h 31m

Ontario

Mon 1/26

10:30 pm-11:05 am

1 stop9h 35m

$385

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 16 results
1
2

Compare providers for flights from Syracuse to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Syracuse to Ontario in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Syracuse-Ontario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Syracuse-Ontario flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Syracuse-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Syracuse-Ontario flights, Cheapflights users trust eDreams the most. eDreams 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 Syracuse-Ontario 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 Syracuse to Ontario

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

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

Currently, April is the cheapest month in which you can book a flight from Syracuse to Ontario (average of $139). Flying from Syracuse to Ontario in December is currently the most expensive (average of $289). 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 SYR to ONT?

Find hourly flight availability from Syracuse 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 December 4, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 39% on flights from Syracuse 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 December 4, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Syracuse to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,011 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.9
Good
8,011 reviews
Delta
7.9
Good
8,011 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
9,066 reviews
Delta
7.9
Good
8,011 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
11,047 reviews
Delta
7.9
Good
8,011 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Syracuse to Ontario. 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 Syracuse to Ontario?

    Airlines like Delta fly from Syracuse to Ontario in about 8h 31m. The time it takes to get you to your destination can typically vary by up to . The distance from Syracuse to Ontario is about 2300 mi.

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

    Currently priced at $236, American Airlines will fly you from Syracuse to Ontario and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from $266 and $296, respectively. American Airlines is currently priced 49% below the average price you’ll pay for this route.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Syracuse to Ontario (average of $139). Flying from Syracuse to Ontario in December is currently the most expensive (average of $289). 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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Top 3 airlines flying from Syracuse to Ontario

Discover the top 3 airlines that operate flights from Syracuse 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$236Average$445FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$266Average$558FlexibilityNo cancel feeOn-time69%
DeltaCheapest$296Average$398FlexibilityNo cancel feeOn-timeN/A

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