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Cheap flights from St. Louis to Ithaca from $410

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Ithaca departing on 9/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from St. Louis to Ithaca

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
1:55 pm - 11:34 pm
STL
-
ITH
8h 39m
2 stops
Delta Logo
5:45 am - 1:23 pm
ITH
-
STL
8h 38m
2 stops
$410Delta
Wed, Sep 16 - Sun, Sep 20
United Airlines Logo
7:33 am - 7:02 pm
STL
-
ITH
10h 29m
2 stops
United Airlines Logo
10:25 am - 9:13 pm
ITH
-
STL
11h 48m
2 stops
$444United Airlines
Tue, Nov 3 - Sat, Nov 7
United Airlines Logo
7:33 am - 7:02 pm
STL
-
ITH
10h 29m
2 stops
United Airlines Logo
10:25 am - 9:13 pm
ITH
-
STL
11h 48m
2 stops
$489United Airlines
Tue, Nov 3 - Sat, Nov 7
United Airlines Logo
7:33 am - 7:02 pm
STL
-
ITH
10h 29m
2 stops
United Airlines Logo
6:00 am - 9:13 pm
ITH
-
STL
16h 13m
3 stops
$528United Airlines
Tue, Nov 3 - Sat, Nov 7
United Airlines Logo
8:40 am - 9:49 am
STL
-
ITH
24h 09m
1 stop
United Airlines Logo
10:25 am - 9:13 pm
ITH
-
STL
11h 48m
2 stops
$552United Airlines
Tue, Nov 3 - Sat, Nov 7
United Airlines Logo
2:00 pm - 11:49 pm
STL
-
ITH
8h 49m
2 stops
United Airlines Logo
6:00 am - 9:47 am
ITH
-
STL
4h 47m
1 stop
$563United Airlines
Tue, Nov 3 - Sat, Nov 7
United Airlines Logo
1:24 pm - 11:49 pm
STL
-
ITH
9h 25m
1 stop
United Airlines Logo
10:25 am - 9:13 pm
ITH
-
STL
11h 48m
2 stops
$586United Airlines
Tue, Nov 3 - Sat, Nov 7
United Airlines Logo
1:24 pm - 11:49 pm
STL
-
ITH
9h 25m
1 stop
United Airlines Logo
6:00 am - 9:47 am
ITH
-
STL
4h 47m
1 stop
$705United Airlines
Tue, Nov 3 - Sat, Nov 7
United Airlines Logo
1:00 pm - 11:44 pm
STL
-
ITH
9h 44m
1 stop
United Airlines Logo
6:00 am - 3:38 pm
ITH
-
STL
10h 38m
2 stops
$760United Airlines
Wed, Sep 16 - Sun, Sep 20
United Airlines Logo
7:05 pm - 11:44 pm
STL
-
ITH
27h 39m
2 stops
United Airlines Logo
7:50 pm - 8:39 am
ITH
-
STL
13h 49m
2 stops
$808United Airlines
Sun, Aug 2 - Fri, Aug 7

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United Airlines flights from St. Louis to Ithaca

Our best United Airlines deals on St. Louis to Ithaca flight tickets
United Airlines
Nov 3
STL7:33 amLambert-St Louis
10h 29m
2 stops
ITH7:02 pmIthaca Tompkins County
Nov 7
ITH10:25 amIthaca Tompkins County
11h 48m
2 stops
STL9:13 pmLambert-St Louis
$444
United Airlines
Nov 3
STL7:33 amLambert-St Louis
10h 29m
2 stops
ITH7:02 pmIthaca Tompkins County
Nov 7
ITH10:25 amIthaca Tompkins County
11h 48m
2 stops
STL9:13 pmLambert-St Louis
$489
United Airlines
Nov 3
STL7:33 amLambert-St Louis
10h 29m
2 stops
ITH7:02 pmIthaca Tompkins County
Nov 7
ITH6:00 amIthaca Tompkins County
16h 13m
3 stops
STL9:13 pmLambert-St Louis
$528

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Ithaca 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 July 4, 2026.
Use the filters below to find and compare flights from St. Louis to Ithaca that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Wed 9/16

1:55 pm-11:34 pm

2 stops8h 39m

Ithaca Tompkins County

Sun 9/20

5:45 am-1:23 pm

2 stops8h 38m

$410

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Tue 11/3

7:33 am-7:02 pm

2 stops10h 29m

Ithaca Tompkins County

Sat 11/7

10:25 am-9:13 pm

2 stops11h 48m

$444

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Tue 11/3

7:33 am-7:02 pm

2 stops10h 29m

Ithaca Tompkins County

Sat 11/7

10:25 am-9:13 pm

2 stops11h 48m

$489

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Tue 11/3

7:33 am-7:02 pm

2 stops10h 29m

Ithaca Tompkins County

Sat 11/7

6:00 am-9:13 pm

3 stops16h 13m

$528

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Tue 11/3

8:40 am-9:49 am

1 stop24h 09m

Ithaca Tompkins County

Sat 11/7

10:25 am-9:13 pm

2 stops11h 48m

$552
Quickest round-trip

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Tue 11/3

2:00 pm-11:49 pm

2 stops8h 49m

Ithaca Tompkins County

Sat 11/7

6:00 am-9:47 am

1 stop4h 47m

$563

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Tue 11/3

1:24 pm-11:49 pm

1 stop9h 25m

Ithaca Tompkins County

Sat 11/7

10:25 am-9:13 pm

2 stops11h 48m

$586

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Tue 11/3

1:24 pm-11:49 pm

1 stop9h 25m

Ithaca Tompkins County

Sat 11/7

6:00 am-9:47 am

1 stop4h 47m

$705

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Wed 9/16

1:00 pm-11:44 pm

1 stop9h 44m

Ithaca Tompkins County

Sun 9/20

6:00 am-3:38 pm

2 stops10h 38m

$760

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Sun 8/2

7:05 pm-11:44 pm

2 stops27h 39m

Ithaca Tompkins County

Fri 8/7

7:50 pm-8:39 am

2 stops13h 49m

$808

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Ithaca from

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

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

Can stopping save me money on St. Louis to Ithaca flights?

You could potentially save up to 15% on your flight if you consider stops on a St. Louis to Ithaca flight.

When to book flights from St. Louis to Ithaca

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

Cheap St. Louis to Ithaca (STL to ITH) flight deals and tips

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

Fastest flight time

8h 39m

Direct flights

None
The fastest flight from St. Louis to Ithaca takes 8h 39m
There are no direct flights from St. Louis to Ithaca. There are no popular flight routes from St. Louis to Ithaca.
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Frequently asked questions about flying from St. Louis to Ithaca

  • How far is Lambert-St Louis to Ithaca Tompkins County by plane?

    A flight from Lambert-St Louis to Ithaca Tompkins County will travel around 764.6 mi. A reasonable flight in good conditions will take 8h 39m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Ithaca Tompkins County Airport?

    Prices for flights from Lambert-St Louis Airport to Ithaca Tompkins County Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Lambert-St Louis Airport to Ithaca Tompkins County 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 Lambert-St Louis Airport to Ithaca Tompkins County Airport.

  • What documentation or ID do you need to fly to Ithaca Tompkins County Airport?

    The travel and health documents required for your trip to Ithaca Tompkins County 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 Ithaca Tompkins County Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Ithaca?

Book flights to Ithaca if you plan to visit one of these locations
Cortland
Penn Yan

Why use momondo?

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

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 St. Louis to Ithaca for you.

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

momondo does allow users to show only those flights to Ithaca from St. Louis which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Ithaca from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Ithaca from St. Louis. 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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