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Cheap flights from St. Louis to Ithaca from $459

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 1/23. 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
0 bags

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Find the cheapest flights from St. Louis to Ithaca

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:11 pm - 11:44 pm
STL
-
ITH
7h 33m2 stops
United Airlines Logo
6:00 am - 12:29 pm
ITH
-
STL
7h 29m2 stops
$459United Airlines
vie., ene. 23 - mar., ene. 27
United Airlines Logo
8:30 am - 11:44 pm
STL
-
ITH
14h 14m1 stop
United Airlines Logo
6:00 am - 12:29 pm
ITH
-
STL
7h 29m2 stops
$472United Airlines
vie., ene. 23 - mar., ene. 27
United Airlines Logo
12:44 pm - 11:44 pm
STL
-
ITH
10h 00m1 stop
United Airlines Logo
6:00 am - 10:13 am
ITH
-
STL
5h 13m1 stop
$676United Airlines
vie., ene. 23 - mar., ene. 27
United Airlines Logo
12:44 pm - 11:44 pm
STL
-
ITH
10h 00m1 stop
United Airlines Logo
6:00 am - 10:13 am
ITH
-
STL
5h 13m1 stop
$698United Airlines
vie., ene. 23 - mar., ene. 27
Delta Logo
4:55 pm - 10:32 pm
STL
-
ITH
4h 37m1 stop
Delta Logo
5:33 am - 2:30 pm
ITH
-
STL
9h 57m2 stops
$729Delta
lun., dic. 22 - vie., dic. 26
United Airlines Logo
3:10 pm - 11:44 pm
STL
-
ITH
7h 34m2 stops
United Airlines Logo
7:40 pm - 2:26 pm
ITH
-
STL
19h 46m2 stops
$732United Airlines
lun., dic. 22 - vie., dic. 26
Delta Logo
5:00 pm - 11:27 pm
STL
-
ITH
5h 27m1 stop
Delta Logo
5:55 am - 12:54 pm
ITH
-
STL
7h 59m2 stops
$759Delta
jue., jun. 4 - dom., jun. 7
United Airlines Logo
8:15 am - 11:44 pm
STL
-
ITH
14h 29m1 stop
United Airlines Logo
7:40 pm - 7:22 pm
ITH
-
STL
24h 42m1 stop
$775United Airlines
vie., dic. 19 - mar., dic. 23
Delta Logo
9:00 am - 11:27 pm
STL
-
ITH
13h 27m2 stops
Delta Logo
5:55 am - 12:54 pm
ITH
-
STL
7h 59m2 stops
$788Delta
jue., jun. 4 - dom., jun. 7
United Airlines Logo
3:10 pm - 11:44 pm
STL
-
ITH
7h 34m2 stops
United Airlines Logo
7:40 pm - 7:22 pm
ITH
-
STL
24h 42m1 stop
$830United Airlines
vie., dic. 19 - mar., dic. 23

United Airlines flights from St. Louis to Ithaca

Our best United Airlines deals on St. Louis to Ithaca flight tickets
United Airlines
Jan 23
STL3:11 pmLambert-St Louis
7h 33m
2 stops
ITH11:44 pmIthaca Tompkins County
Jan 27
ITH6:00 amIthaca Tompkins County
7h 29m
2 stops
STL12:29 pmLambert-St Louis
$459
Find similar
United Airlines
Jan 23
STL8:30 amLambert-St Louis
14h 14m
1 stop
ITH11:44 pmIthaca Tompkins County
Jan 27
ITH6:00 amIthaca Tompkins County
7h 29m
2 stops
STL12:29 pmLambert-St Louis
$472
Find similar
United Airlines
Jan 23
STL12:44 pmLambert-St Louis
10h 00m
1 stop
ITH11:44 pmIthaca Tompkins County
Jan 27
ITH6:00 amIthaca Tompkins County
5h 13m
1 stop
STL10:13 amLambert-St Louis
$676
Find similar

Delta flights from St. Louis to Ithaca

Our best Delta deals on St. Louis to Ithaca flight tickets
Delta
Dec 22
STL4:55 pmLambert-St Louis
4h 37m
1 stop
ITH10:32 pmIthaca Tompkins County
Dec 26
ITH5:33 amIthaca Tompkins County
9h 57m
2 stops
STL2:30 pmLambert-St Louis
$729
Find similar
Delta
Jun 4
STL5:00 pmLambert-St Louis
5h 27m
1 stop
ITH11:27 pmIthaca Tompkins County
Jun 7
ITH5:55 amIthaca Tompkins County
7h 59m
2 stops
STL12:54 pmLambert-St Louis
$759
Find similar
Delta
Jun 4
STL9:00 amLambert-St Louis
13h 27m
2 stops
ITH11:27 pmIthaca Tompkins County
Jun 7
ITH5:55 amIthaca Tompkins County
7h 59m
2 stops
STL12:54 pmLambert-St Louis
$788
Find similar

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 diciembre 8, 2025.
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

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

vie. 1/23

3:11 pm-11:44 pm

2 stops7h 33m

Ithaca Tompkins County

mar. 1/27

6:00 am-12:29 pm

2 stops7h 29m

$459

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

vie. 1/23

8:30 am-11:44 pm

1 stop14h 14m

Ithaca Tompkins County

mar. 1/27

6:00 am-12:29 pm

2 stops7h 29m

$472

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

vie. 1/23

12:44 pm-11:44 pm

1 stop10h 00m

Ithaca Tompkins County

mar. 1/27

6:00 am-10:13 am

1 stop5h 13m

$676

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

vie. 1/23

12:44 pm-11:44 pm

1 stop10h 00m

Ithaca Tompkins County

mar. 1/27

6:00 am-10:13 am

1 stop5h 13m

$698

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

lun. 12/22

4:55 pm-10:32 pm

1 stop4h 37m

Ithaca Tompkins County

vie. 12/26

5:33 am-2:30 pm

2 stops9h 57m

$729

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

lun. 12/22

3:10 pm-11:44 pm

2 stops7h 34m

Ithaca Tompkins County

vie. 12/26

7:40 pm-2:26 pm

2 stops19h 46m

$732

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

jue. 6/4

5:00 pm-11:27 pm

1 stop5h 27m

Ithaca Tompkins County

dom. 6/7

5:55 am-12:54 pm

2 stops7h 59m

$759

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

vie. 12/19

8:15 am-11:44 pm

1 stop14h 29m

Ithaca Tompkins County

mar. 12/23

7:40 pm-7:22 pm

1 stop24h 42m

$775

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

jue. 6/4

9:00 am-11:27 pm

2 stops13h 27m

Ithaca Tompkins County

dom. 6/7

5:55 am-12:54 pm

2 stops7h 59m

$788

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

vie. 12/19

3:10 pm-11:44 pm

2 stops7h 34m

Ithaca Tompkins County

mar. 12/23

7:40 pm-7:22 pm

1 stop24h 42m

$830

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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

What is the cheapest day to depart on your flight to Ithaca?

On average, the least expensive day to fly to Ithaca from St. Louis is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $358. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from St. Louis to Ithaca on a Sunday will generally be more expensive and average around $1,206. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

5h 27m

Direct flights

None
The fastest flight from St. Louis to Ithaca takes 5h 27m
There are no direct flights from St. Louis to Ithaca. There are no popular flight routes from St. Louis to Ithaca.
Search flight deals

  • 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 4h 37m.

  • 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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