Cheap flights from Syracuse to St. Louis from $148

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Syracuse to St. Louis departing on 8/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Syracuse to St. Louis (SYR-STL)

Cheap round-trip flights

Frontier Logo
7:40 pm - 1:17 pmSYR-STL
18h 37m1 stop
Frontier Logo
11:17 am - 11:08 amSTL-SYR
22h 51m1 stop
$185Frontier
Find Deal
Thu, Oct 30 - Sun, Nov 2
Frontier Logo
7:40 pm - 3:34 pmSYR-STL
20h 54m2 stops
Frontier Logo
7:45 pm - 11:08 amSTL-SYR
14h 23m2 stops
$226Frontier
Find Deal
Thu, Oct 30 - Sun, Nov 2
American Airlines Logo
1:43 pm - 6:41 pmSYR-STL
5h 58m1 stop
American Airlines Logo
6:05 am - 11:08 amSTL-SYR
4h 03m1 stop
$249American Airlines
Find Deal
Fri, Sep 26 - Sun, Sep 28
American Airlines Logo
8:19 pm - 11:51 pmSYR-STL
4h 32m1 stop
American Airlines Logo
6:02 am - 11:18 amSTL-SYR
4h 16m1 stop
$259American Airlines
Find Deal
Thu, Aug 28 - Mon, Sep 1
American Airlines Logo
8:06 pm - 8:09 amSYR-STL
13h 03m1 stop
American Airlines Logo
6:17 pm - 11:54 pmSTL-SYR
4h 37m1 stop
$269American Airlines
Find Deal
Mon, Oct 20 - Mon, Nov 3
Delta Logo
6:14 am - 12:35 pmSYR-STL
7h 21m1 stop
Delta Logo
6:52 pm - 12:20 amSTL-SYR
4h 28m1 stop
$274Delta
Find Deal
Fri, Oct 17 - Sun, Oct 19
Frontier Logo
6:13 pm - 3:38 pmSYR-STL
22h 25m2 stops
Frontier Logo
11:32 am - 8:49 pmSTL-SYR
32h 17m2 stops
$285Frontier
Find Deal
Fri, Oct 17 - Sun, Oct 19
Delta Logo
6:39 pm - 11:41 pmSYR-STL
6h 02m1 stop
Delta Logo
6:00 am - 11:37 amSTL-SYR
4h 37m1 stop
$294Delta
Find Deal
Fri, Oct 10 - Sun, Oct 12
United Airlines Logo
6:25 am - 12:25 pmSYR-STL
7h 00m1 stop
United Airlines Logo
3:20 pm - 9:05 pmSTL-SYR
4h 45m1 stop
$329United Airlines
Find Deal
Thu, Aug 28 - Sun, Aug 31
United Airlines Logo
6:00 am - 3:44 pmSYR-STL
10h 44m2 stops
United Airlines Logo
3:20 pm - 9:05 pmSTL-SYR
4h 45m1 stop
$334United Airlines
Find Deal
Thu, Aug 28 - Sun, Aug 31

United Airlines flights from Syracuse to St. Louis

Our best United Airlines deals on Syracuse to St. Louis flight tickets
United Airlines
Aug 28
SYR6:25 amSyracuse Hancock Intl
7h 00m
1 stop
STL12:25 pmLambert-St Louis
Aug 31
STL3:20 pmLambert-St Louis
4h 45m
1 stop
SYR9:05 pmSyracuse Hancock Intl
United Airlines
Aug 28
SYR6:00 amSyracuse Hancock Intl
10h 44m
2 stops
STL3:44 pmLambert-St Louis
Aug 31
STL3:20 pmLambert-St Louis
4h 45m
1 stop
SYR9:05 pmSyracuse Hancock Intl
United Airlines
Aug 28
SYR10:44 amSyracuse Hancock Intl
4h 49m
1 stop
STL2:33 pmLambert-St Louis
Sep 1
STL9:17 amLambert-St Louis
6h 29m
1 stop
SYR4:46 pmSyracuse Hancock Intl

American Airlines flights from Syracuse to St. Louis

Our best American Airlines deals on Syracuse to St. Louis flight tickets
American Airlines
Sep 26
SYR1:43 pmSyracuse Hancock Intl
5h 58m
1 stop
STL6:41 pmLambert-St Louis
Sep 28
STL6:05 amLambert-St Louis
4h 03m
1 stop
SYR11:08 amSyracuse Hancock Intl
American Airlines
Aug 28
SYR8:19 pmSyracuse Hancock Intl
4h 32m
1 stop
STL11:51 pmLambert-St Louis
Sep 1
STL6:02 amLambert-St Louis
4h 16m
1 stop
SYR11:18 amSyracuse Hancock Intl
American Airlines
Oct 20
SYR8:06 pmSyracuse Hancock Intl
13h 03m
1 stop
STL8:09 amLambert-St Louis
Nov 3
STL6:17 pmLambert-St Louis
4h 37m
1 stop
SYR11:54 pmSyracuse Hancock Intl

momondo Fare Finder

 
Customize your flight search to find flights from Syracuse to St. Louis 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, momondo users made 832,500 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Syracuse to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SyracuseSt. Louis

SYR - STL

SYRSTL

Syracuse Hancock Intl

Thu 10/30

7:40 pm-1:17 pm

1 stop18h 37m

Lambert-St Louis

Sun 11/2

11:17 am-11:08 am

1 stop22h 51m

$185

SyracuseSt. Louis

SYR - STL

SYRSTL

Syracuse Hancock Intl

Thu 10/30

7:40 pm-3:34 pm

2 stops20h 54m

Lambert-St Louis

Sun 11/2

7:45 pm-11:08 am

2 stops14h 23m

$226

SyracuseSt. Louis

SYR - STL

SYRSTL

Syracuse Hancock Intl

Fri 9/26

1:43 pm-6:41 pm

1 stop5h 58m

Lambert-St Louis

Sun 9/28

6:05 am-11:08 am

1 stop4h 03m

$249

SyracuseSt. Louis

SYR - STL

SYRSTL

Syracuse Hancock Intl

Thu 8/28

8:19 pm-11:51 pm

1 stop4h 32m

Lambert-St Louis

Mon 9/1

6:02 am-11:18 am

1 stop4h 16m

$259

SyracuseSt. Louis

SYR - STL

SYRSTL

Syracuse Hancock Intl

Mon 10/20

8:06 pm-8:09 am

1 stop13h 03m

Lambert-St Louis

Mon 11/3

6:17 pm-11:54 pm

1 stop4h 37m

$269

SyracuseSt. Louis

SYR - STL

SYRSTL

Syracuse Hancock Intl

Fri 10/17

6:14 am-12:35 pm

1 stop7h 21m

Lambert-St Louis

Sun 10/19

6:52 pm-12:20 am

1 stop4h 28m

$274

SyracuseSt. Louis

SYR - STL

SYRSTL

Syracuse Hancock Intl

Fri 10/17

6:13 pm-3:38 pm

2 stops22h 25m

Lambert-St Louis

Sun 10/19

11:32 am-8:49 pm

2 stops32h 17m

$285

SyracuseSt. Louis

SYR - STL

SYRSTL

Syracuse Hancock Intl

Fri 10/10

6:39 pm-11:41 pm

1 stop6h 02m

Lambert-St Louis

Sun 10/12

6:00 am-11:37 am

1 stop4h 37m

$294

SyracuseSt. Louis

SYR - STL

SYRSTL

Syracuse Hancock Intl

Thu 8/28

6:25 am-12:25 pm

1 stop7h 00m

Lambert-St Louis

Sun 8/31

3:20 pm-9:05 pm

1 stop4h 45m

$329

SyracuseSt. Louis

SYR - STL

SYRSTL

Syracuse Hancock Intl

Thu 8/28

6:00 am-3:44 pm

2 stops10h 44m

Lambert-St Louis

Sun 8/31

3:20 pm-9:05 pm

1 stop4h 45m

$334

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Syracuse to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to St. Louis?

In general, February is the cheapest month to fly from Syracuse to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $288. The month of May is another great option to travel to St. Louis, with average flight prices from Syracuse averaging around $332.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Friday when prices can be found for as low as $367. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $551. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Syracuse in the evening is the least expensive time of day to depart. momondo users have found prices as low as $299 when looking at flights departing in the evening. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $439 per ticket.

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from Syracuse when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $377 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Syracuse for as low as $272 on momondo.

How have Syracuse to St. Louis flight prices changed over time?

As of August 2025, prices for Syracuse to St. Louis flights are approximately 43% more expensive when compared to flights at the same time last year.

When to book flights from Syracuse to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Syracuse to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Syracuse to St. Louis (SYR to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Syracuse to St. Louis

Best Price Found

$148

Fastest flight time

4h 29m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Syracuse in the past 72 hours is $148. The best round-trip flight deal from Syracuse to St. Louis found on momondo in the last 72 hours is $185.
The fastest flight from Syracuse to St. Louis takes 4h 29m
There are no direct flights from Syracuse to St. Louis. Popular non-direct route for this connection is Syracuse Hancock Intl Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)
  • How far is Syracuse Hancock Intl to Lambert-St Louis by plane?

    The distance between Syracuse Hancock Intl and Lambert-St Louis is about 793.6 mi. By plane, this route typically takes 4h 29m.

  • When did momondo last update prices for flights from Syracuse Hancock Intl Airport to Lambert-St Louis Airport?

    Prices for flights from Syracuse Hancock Intl Airport to Lambert-St Louis Airport are updated daily.

  • How many operators does momondo search for flights from Syracuse Hancock Intl Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Syracuse Hancock Intl Airport to Lambert-St Louis Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Syracuse Hancock Intl Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Syracuse to St. Louis?

Best airlines flying from Syracuse to St. Louis

Compare and see reviews for airlines that fly from Syracuse to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $248Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $248Free CancellationRating
8.0
7,980 reviews
Search Delta flights
United AirlinesPriceFrom $374Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
  • United Airlines Flights From Syracuse to St. Louis

    United Airlines flies from Syracuse to St. Louis around 2 times per week, with 8,916 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Syracuse to St. Louis in the last 72 hours was $374 (round-trip), much lower than the average airfare cost of $563 for United Airlines flights on this route.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
Maryland Heights
Florissant
O'Fallon
Fenton
Wentzville
Collinsville
Alton
St. Peters
Farmington
Festus
Glencoe
Eureka
Clayton
Edwardsville
Litchfield
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Syracuse to St. Louis?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Syracuse to St. Louis for you.

Can I find flights from Syracuse to St. Louis with flexible booking policies on momondo?

Flights from Syracuse to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Syracuse to St. Louis?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Syracuse.

I’m not ready to book a flight from Syracuse to St. Louis right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to St. Louis from Syracuse. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Tue 8/19
Tue 8/26

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