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Cheap flights from St. Louis to Ithaca from $324

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 5/29. 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 St. Louis to Ithaca

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:00 pm - 11:27 pm
STL
-
ITH
5h 27m
1 stop
Delta Logo
5:55 am - 12:54 pm
ITH
-
STL
7h 59m
2 stops
$324Delta
Fri, May 29 - Sat, Jun 6
Delta Logo
1:30 pm - 11:27 pm
STL
-
ITH
8h 57m
2 stops
Delta Logo
5:55 am - 12:54 pm
ITH
-
STL
7h 59m
2 stops
$425Delta
Sat, May 30 - Sat, Jun 6
Delta Logo
11:51 am - 11:27 pm
STL
-
ITH
10h 36m
2 stops
Delta Logo
5:55 am - 12:54 pm
ITH
-
STL
7h 59m
2 stops
$483Delta
Fri, May 29 - Sat, Jun 6
United Airlines Logo
11:15 am - 11:59 pm
STL
-
ITH
11h 44m
2 stops
United Airlines Logo
7:38 pm - 10:28 am
ITH
-
STL
15h 50m
1 stop
$616United Airlines
Fri, Apr 3 - Mon, Apr 6
United Airlines Logo
11:15 am - 11:59 pm
STL
-
ITH
11h 44m
2 stops
United Airlines Logo
7:38 pm - 10:28 am
ITH
-
STL
15h 50m
1 stop
$630United Airlines
Thu, Apr 2 - Mon, Apr 6
Delta Logo
5:00 pm - 11:27 pm
STL
-
ITH
5h 27m
1 stop
Delta Logo
5:55 am - 12:54 pm
ITH
-
STL
7h 59m
2 stops
$634Delta
Fri, May 29 - Sun, Jun 7
United Airlines Logo
11:15 am - 11:59 pm
STL
-
ITH
11h 44m
2 stops
United Airlines Logo
6:00 am - 12:22 pm
ITH
-
STL
7h 22m
2 stops
$638United Airlines
Fri, Apr 3 - Sun, Apr 5
United Airlines Logo
11:15 am - 11:59 pm
STL
-
ITH
11h 44m
2 stops
United Airlines Logo
6:00 am - 12:22 pm
ITH
-
STL
7h 22m
2 stops
$652United Airlines
Thu, Apr 2 - Sun, Apr 5
Delta Logo
10:19 am - 11:22 pm
STL
-
ITH
12h 03m
2 stops
Delta Logo
3:03 pm - 11:23 pm
ITH
-
STL
9h 20m
2 stops
$713Delta
Tue, Feb 10 - Sat, Feb 14
United Airlines Logo
1:15 pm - 11:44 pm
STL
-
ITH
9h 29m
2 stops
United Airlines Logo
7:45 pm - 9:40 pm
ITH
-
STL
26h 55m
2 stops
$717United Airlines
Tue, Feb 10 - Sat, Feb 14

United Airlines flights from St. Louis to Ithaca

Our best United Airlines deals on St. Louis to Ithaca flight tickets
United Airlines
Apr 3
STL11:15 amLambert-St Louis
11h 44m
2 stops
ITH11:59 pmIthaca Tompkins County
Apr 6
ITH7:38 pmIthaca Tompkins County
15h 50m
1 stop
STL10:28 amLambert-St Louis
$616
United Airlines
Apr 2
STL11:15 amLambert-St Louis
11h 44m
2 stops
ITH11:59 pmIthaca Tompkins County
Apr 6
ITH7:38 pmIthaca Tompkins County
15h 50m
1 stop
STL10:28 amLambert-St Louis
$630
United Airlines
Apr 3
STL11:15 amLambert-St Louis
11h 44m
2 stops
ITH11:59 pmIthaca Tompkins County
Apr 5
ITH6:00 amIthaca Tompkins County
7h 22m
2 stops
STL12:22 pmLambert-St Louis
$638

Delta flights from St. Louis to Ithaca

Our best Delta deals on St. Louis to Ithaca flight tickets
Delta
May 29
STL5:00 pmLambert-St Louis
5h 27m
1 stop
ITH11:27 pmIthaca Tompkins County
Jun 6
ITH5:55 amIthaca Tompkins County
7h 59m
2 stops
STL12:54 pmLambert-St Louis
$324
Delta
May 30
STL1:30 pmLambert-St Louis
8h 57m
2 stops
ITH11:27 pmIthaca Tompkins County
Jun 6
ITH5:55 amIthaca Tompkins County
7h 59m
2 stops
STL12:54 pmLambert-St Louis
$425
Delta
May 29
STL11:51 amLambert-St Louis
10h 36m
2 stops
ITH11:27 pmIthaca Tompkins County
Jun 6
ITH5:55 amIthaca Tompkins County
7h 59m
2 stops
STL12:54 pmLambert-St Louis
$483

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 January 27, 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

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Fri 5/29

5:00 pm-11:27 pm

1 stop5h 27m

Ithaca Tompkins County

Sat 6/6

5:55 am-12:54 pm

2 stops7h 59m

$324

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Sat 5/30

1:30 pm-11:27 pm

2 stops8h 57m

Ithaca Tompkins County

Sat 6/6

5:55 am-12:54 pm

2 stops7h 59m

$425

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Fri 5/29

11:51 am-11:27 pm

2 stops10h 36m

Ithaca Tompkins County

Sat 6/6

5:55 am-12:54 pm

2 stops7h 59m

$483

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Fri 4/3

11:15 am-11:59 pm

2 stops11h 44m

Ithaca Tompkins County

Mon 4/6

7:38 pm-10:28 am

1 stop15h 50m

$616

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Thu 4/2

11:15 am-11:59 pm

2 stops11h 44m

Ithaca Tompkins County

Mon 4/6

7:38 pm-10:28 am

1 stop15h 50m

$630

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Fri 5/29

5:00 pm-11:27 pm

1 stop5h 27m

Ithaca Tompkins County

Sun 6/7

5:55 am-12:54 pm

2 stops7h 59m

$634

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Fri 4/3

11:15 am-11:59 pm

2 stops11h 44m

Ithaca Tompkins County

Sun 4/5

6:00 am-12:22 pm

2 stops7h 22m

$638

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Thu 4/2

11:15 am-11:59 pm

2 stops11h 44m

Ithaca Tompkins County

Sun 4/5

6:00 am-12:22 pm

2 stops7h 22m

$652

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Tue 2/10

10:19 am-11:22 pm

2 stops12h 03m

Ithaca Tompkins County

Sat 2/14

3:03 pm-11:23 pm

2 stops9h 20m

$713

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Tue 2/10

1:15 pm-11:44 pm

2 stops9h 29m

Ithaca Tompkins County

Sat 2/14

7:45 pm-9:40 pm

2 stops26h 55m

$717

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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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

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 5h 27m.

  • 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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