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$159+ Cheap flights from St. Louis to Syracuse (STL - SYR)

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SYR
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Syracuse Hancock Intl are usually found in January or September, booked 71 days in advance, depart on a Tuesday or Monday and return on a Friday

Cheap flight deals from St. Louis to Syracuse

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Syracuse (SYR). 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 30, 2025.

Round-trip from

$249
(Delta)

One-way from

$159
(Mytrip)

Popular in

July

Cheapest in

January

Average price

$294
From Lambert-St Louis to Syracuse Hancock Intl
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One-way flight from Lambert-St Louis to Syracuse Hancock Intl
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Highest demand for flights based on searches. 7% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from St. Louis to Syracuse

Cheapest flights from St. Louis to Syracuse
Explore the most affordable flight options available from St. Louis to Syracuse. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

This Delta deal was found by Cheapflights users on 6/30. 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.
Tue 9/23:36 pmSTL - SYR
1 stop7h 15mDelta
Sat 9/62:15 pmSYR - STL
1 stop5h 52mDelta
Deal found 6/30$249
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Tue 9/24:54 pmSTL - SYR
1 stop5h 03mAmerican Airlines
Sat 9/63:15 pmSYR - STL
2 stops8h 52mAmerican Airlines
Deal found 6/28$254
This FlightHub deal was found by Cheapflights users on 6/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/223:16 pmSTL - SYR
1 stop20h 37mFrontier
Sun 8/249:37 pmSYR - STL
1 stop17h 44mFrontier
Deal found 6/27$303
This United Airlines deal was found by Cheapflights users on 6/28. 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 9/93:20 pmSTL - SYR
1 stop4h 45mUnited Airlines
Wed 9/176:00 amSYR - STL
2 stops10h 44mUnited Airlines
Deal found 6/28$369
This Mytrip deal was found by Cheapflights users on 6/28. 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 7/269:50 amSTL - SYR
3 stops21h 56mMultiple Airlines
Sat 8/21:53 pmSYR - STL
2 stops20h 59mMultiple Airlines
Deal found 6/28$376

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to Syracuse 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 30, 2025.
Use the filters below to find and compare flights from St. Louis to Syracuse that are best for you.

Fly from

St. Louis

Fly to

Syracuse

Route

Depart

Return

Price

St. LouisSyracuse

STL - SYR

STLSYR

Lambert-St Louis

Tue 9/2

3:36 pm-11:51 pm

1 stop7h 15m

Syracuse Hancock Intl

Sat 9/6

2:15 pm-7:07 pm

1 stop5h 52m

$249

St. LouisSyracuse

STL - SYR

STLSYR

Lambert-St Louis

Tue 9/2

4:54 pm-10:57 pm

1 stop5h 03m

Syracuse Hancock Intl

Sat 9/6

3:15 pm-11:07 pm

2 stops8h 52m

$254

St. LouisSyracuse

STL - SYR

STLSYR

Lambert-St Louis

Fri 8/22

3:16 pm-12:53 pm

1 stop20h 37m

Syracuse Hancock Intl

Sun 8/24

9:37 pm-2:21 pm

1 stop17h 44m

$303

St. LouisSyracuse

STL - SYR

STLSYR

Lambert-St Louis

Tue 9/9

3:20 pm-9:05 pm

1 stop4h 45m

Syracuse Hancock Intl

Wed 9/17

6:00 am-3:44 pm

2 stops10h 44m

$369

St. LouisSyracuse

STL - SYR

STLSYR

Lambert-St Louis

Sat 7/26

9:50 am-8:46 am

3 stops21h 56m

Syracuse Hancock Intl

Sat 8/2

1:53 pm-9:52 am

2 stops20h 59m

$376

St. LouisSyracuse

STL - SYR

STLSYR

Lambert-St Louis

Sat 8/9

3:34 pm-2:12 pm

2 stops21h 38m

$159

St. LouisSyracuse

STL - SYR

STLSYR

Lambert-St Louis

Tue 7/15

7:23 am-12:43 pm

1 stop4h 20m

$176

St. LouisSyracuse

STL - SYR

STLSYR

Lambert-St Louis

Sun 8/10

5:40 pm-9:55 am

1 stop15h 15m

$186

St. LouisSyracuse

STL - SYR

STLSYR

Lambert-St Louis

Fri 8/1

3:41 pm-11:49 pm

1 stop7h 08m

$199

St. LouisSyracuse

STL - SYR

STLSYR

Lambert-St Louis

Mon 8/18

4:45 pm-10:02 am

2 stops16h 17m

$418

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Best time to book a flight from St. Louis to Syracuse

Have a flexible travel schedule? Discover the best time to fly to Syracuse from St. Louis 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 St. Louis to Syracuse

How far ahead should I book a flight from St. Louis to Syracuse?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Syracuse. Price data was last updated on June 27, 2025.

Booking 25 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Syracuse. 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 St. Louis to Syracuse?

Currently, January is the cheapest month in which you can book a flight from St. Louis to Syracuse (average of $272). Flying from St. Louis to Syracuse in July is currently the most expensive (average of $383). 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 STL to SYR?

Find hourly flight availability from St. Louis to Syracuse. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 30, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 11% on flights from St. Louis to Syracuse by exploring options for tickets at noon.

Reviews of airlines servicing Syracuse

Get insights into the airlines that provide service to Syracuse. 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 Syracuse. Reviews last updated June 30, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from St. Louis to Syracuse have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,973 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
United Airlines
7.4
Good
8,852 reviews
Delta
8.0
Very good
7,973 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,973 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
Frontier
5.9
Fair
3,290 reviews
Delta
8.0
Very good
7,973 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

Related info for your journey

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

  • What are the cheapest airlines flying from St. Louis to Syracuse round-trip?

    Cheapflights users have booked flights from St. Louis to Syracuse round-trip from $249. Other airlines that can offer you cheap pricing are American Airlines, from $254, and Frontier, from $303. Users have found that Delta is 30% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from St. Louis to Syracuse one-way?

    $176 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Frontier and Delta, with prices starting from $186 and $199, respectively.

  • Can I find deals for flights from St. Louis to Syracuse that include hotel bookings?

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

  • How can I find direct flights from St. Louis to Syracuse?

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

  • Can I find deals for business class flights from St. Louis to Syracuse?

    Yes. Cheapflights offers flight deals from St. Louis to Syracuse 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 St. Louis to Syracuse?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Syracuse (average of $272). Flying from St. Louis to Syracuse in July is currently the most expensive (average of $383). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Auburn
Liverpool
Cicero
East Syracuse
Waterloo

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Alternative routes for St. Louis to Syracuse

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from St. Louis to Syracuse

Discover the top 3 airlines that operate flights from St. Louis to Syracuse. 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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$368FlexibilityNo cancel feeOn-time71%
DeltaCheapest$248Average$322FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$473FlexibilityNo cancel feeOn-time69%

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