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$104+ Cheap flights from Syracuse (SYR) to Illinois

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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
SYR — ORD
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from Syracuse to Illinois

Keep the following information in mind while searching for Syracuse to Illinois flight deals. Data was last updated April 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$203
(Mytrip)

One-way from

$104
(Mytrip)

Popular in

January

Cheapest in

September

Average price

$363

Good round-trip deal

$357 or less

Good one-way deal

$194 or less
Provider with most accurate pricing for Syracuse Hancock Intl-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Syracuse Hancock Intl-Chicago (CHI) flights.
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From Syracuse Hancock Intl to Illinois
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One-way flight from Syracuse Hancock Intl to Illinois
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Highest demand for flights based on searches. 2% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Syracuse Hancock Intl to Illinois.
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Price to beat on a one-way flight from Syracuse Hancock Intl to Illinois.
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Find flight deals from Syracuse to Illinois

Cheapest flights from Syracuse to Illinois
Explore the most affordable flight options available from Syracuse to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This Mytrip deal was found by Cheapflights users on 4/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/912:06 pmSYR - STL
1 stop13h 08mFrontier
Thu 5/155:45 pmSTL - SYR
1 stop16h 21mFrontier
Deal found 4/15$203
This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/126:50 pmSYR - STL
1 stop5h 49mDelta
Tue 7/156:00 amSTL - SYR
1 stop4h 41mDelta
Deal found 4/15$249
This United Airlines deal was found by Cheapflights users on 4/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/76:30 amSYR - STL
1 stop6h 49mUnited Airlines
Sat 5/106:30 amSTL - SYR
2 stops6h 29mUnited Airlines
Deal found 4/15$254
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Fri 5/25:28 pmSYR - STL
1 stop5h 57mAmerican Airlines
Sun 5/45:45 amSTL - SYR
1 stop4h 23mAmerican Airlines
Deal found 4/16$259
This Mytrip deal was found by Cheapflights users on 4/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/910:08 amSYR - STL
1 stop24h 07mMultiple Airlines
Thu 5/1510:10 amSTL - SYR
2 stops23h 38mMultiple Airlines
Deal found 4/15$267
This American Airlines deal was found by Cheapflights users on 4/17. 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.
Thu 5/14:36 pmSYR - ORD
Nonstop2h 15mAmerican Airlines
Mon 5/55:40 pmORD - SYR
1 stop4h 07mAmerican Airlines
Deal found 4/17$269
This Booking.com deal was found by Cheapflights users on 4/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/234:09 pmSYR - ORD
1 stop9h 08mFrontier
Sun 5/255:14 pmORD - SYR
1 stop14h 50mFrontier
Deal found 4/17$271
This United Airlines deal was found by Cheapflights users on 4/17. 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 5/166:30 amSYR - ORD
Nonstop2h 14mUnited Airlines
Mon 5/194:25 pmORD - SYR
1 stop6h 34mUnited Airlines
Deal found 4/17$278
This Frontier deal was found by Cheapflights users on 4/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1112:50 pmSYR - MDW
1 stop11h 27mFrontier
Sun 7/139:12 pmMDW - SYR
1 stop10h 56mFrontier
Deal found 4/17$282
This Delta deal was found by Cheapflights users on 4/17. 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.
Thu 11/2012:42 pmSYR - MDW
1 stop6h 54mDelta
Mon 11/245:59 pmMDW - SYR
1 stop3h 56mDelta
Deal found 4/17$284
This Delta deal was found by Cheapflights users on 4/17. 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.
Sun 6/16:10 amSYR - ORD
1 stop4h 41mDelta
Sun 6/87:07 amORD - SYR
1 stop3h 49mDelta
Deal found 4/17$284
This Mytrip deal was found by Cheapflights users on 4/16. 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 5/111:21 amSYR - BMI
1 stop21h 10mAllegiant Air
Mon 5/58:21 amBMI - SYR
1 stop26h 20mAllegiant Air
Deal found 4/16$285

Cheapflights Fare Finder

Customize your flight search to find flights from Syracuse to Illinois 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 April 17, 2025.
Use the filters below to find and compare flights from Syracuse to Illinois that are best for you.

Fly from

Syracuse

Fly to

Illinois

Route

Depart

Return

Price

SyracuseSt. Louis

SYR - STL

SYRSTL

Syracuse Hancock Intl

Fri 5/9

12:06 pm-12:14 am

1 stop13h 08m

Lambert-St Louis

Thu 5/15

5:45 pm-11:06 am

1 stop16h 21m

$203

SyracuseSt. Louis

SYR - STL

SYRSTL

Syracuse Hancock Intl

Sat 7/12

6:50 pm-11:39 pm

1 stop5h 49m

Lambert-St Louis

Tue 7/15

6:00 am-11:41 am

1 stop4h 41m

$249

SyracuseSt. Louis

SYR - STL

SYRSTL

Syracuse Hancock Intl

Wed 5/7

6:30 am-12:19 pm

1 stop6h 49m

Lambert-St Louis

Sat 5/10

6:30 am-1:59 pm

2 stops6h 29m

$254

SyracuseSt. Louis

SYR - STL

SYRSTL

Syracuse Hancock Intl

Fri 5/2

5:28 pm-10:25 pm

1 stop5h 57m

Lambert-St Louis

Sun 5/4

5:45 am-11:08 am

1 stop4h 23m

$259

SyracuseSt. Louis

SYR - STL

SYRSTL

Syracuse Hancock Intl

Fri 5/9

10:08 am-9:15 am

1 stop24h 07m

Lambert-St Louis

Thu 5/15

10:10 am-10:48 am

2 stops23h 38m

$267

SyracuseChicago

SYR - ORD

SYRORD

Syracuse Hancock Intl

Thu 5/1

4:36 pm-5:51 pm

Nonstop2h 15m

Chicago O'Hare Intl

Mon 5/5

5:40 pm-10:47 pm

1 stop4h 07m

$269

SyracuseChicago

SYR - ORD

SYRORD

Syracuse Hancock Intl

Fri 5/23

4:09 pm-12:17 am

1 stop9h 08m

Chicago O'Hare Intl

Sun 5/25

5:14 pm-9:04 am

1 stop14h 50m

$271

SyracuseChicago

SYR - ORD

SYRORD

Syracuse Hancock Intl

Fri 5/16

6:30 am-7:44 am

Nonstop2h 14m

Chicago O'Hare Intl

Mon 5/19

4:25 pm-11:59 pm

1 stop6h 34m

$278

SyracuseChicago

SYR - MDW

SYRMDW

Syracuse Hancock Intl

Fri 7/11

12:50 pm-11:17 pm

1 stop11h 27m

Chicago Midway

Sun 7/13

9:12 pm-9:08 am

1 stop10h 56m

$282

SyracuseChicago

SYR - MDW

SYRMDW

Syracuse Hancock Intl

Thu 7/10

6:00 am-9:51 am

1 stop4h 51m

Chicago Midway

Mon 7/14

5:59 pm-10:56 pm

1 stop3h 57m

$284

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 38 results
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Best time to book a flight from Syracuse to Illinois

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

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

Currently, August is the cheapest month in which you can book a flight from Syracuse to Illinois (average of $245). Flying from Syracuse to Illinois in March is currently the most expensive (average of $321). 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 IL?

Find hourly flight availability from Syracuse to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

When flying from Syracuse to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Syracuse to Illinois

Explore weekly flight availability from Syracuse to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 17, 2025.

The most flights from SYR to USIL are scheduled on a Monday (23 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated April 17, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and JetBlue from Syracuse to Illinois by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
JetBlue
7.3
Good
2,926 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Allegiant Air
7.3
Good
734 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Related info for your journey

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

    Syracuse Hancock Intl (SYR), located 4.8 mi from the city center, is the airport you fly out of when you book flights from Syracuse to Illinois.

  • What are the cheapest airlines to fly from Syracuse to Illinois one-way?

    $105 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Allegiant Air and JetBlue, with prices starting from $122 and $127, respectively.

  • What are the most popular routes from Syracuse to Illinois?

    The most popular flight routes from Syracuse to Illinois are Syracuse Hancock Intl - Chicago O'Hare Intl, Syracuse Hancock Intl - Chicago Midway and Syracuse Hancock Intl - Lambert-St Louis.

  • What are the most reliable airlines from Syracuse to Illinois?

    The top 3 most reliable airlines when flying from Syracuse to Illinois are SkyWest Airlines (83%), Japan Airlines (80%) and Alaska Airlines (77%).

  • What are the cheapest flights from Syracuse to Illinois?

    Looking at all options, your cheapest flight can be booked for $128. While the most popular route (Syracuse Hancock Intl - Chicago O'Hare Intl) can be booked for $184 on average our data indicates $975 when flying from Syracuse to Illinois.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Syracuse to Illinois (average of $245). Flying from Syracuse to Illinois in March is currently the most expensive (average of $321). 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.

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Top 3 airlines flying from Syracuse to Illinois

Discover the top 3 airlines that operate flights from Syracuse to Illinois. 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$227Average$445FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$237Average$476FlexibilityNo cancel feeOn-time71%
DeltaCheapest$248Average$393FlexibilityNo cancel feeOn-timeN/A

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