Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from St. Louis to Ithaca from $349

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 5/30. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
1:13 pm - 11:44 pm
STL
-
ITH
9h 31m
2 stops
United Airlines Logo
6:00 am - 12:11 pm
ITH
-
STL
7h 11m
2 stops
$349United Airlines
Sat, May 30 - Wed, Jun 3
Delta Logo
4:25 pm - 11:46 pm
STL
-
ITH
6h 21m
1 stop
Delta Logo
1:36 pm - 9:38 pm
ITH
-
STL
9h 02m
2 stops
$358Delta
Fri, May 29 - Tue, Jun 2
Delta Logo
4:15 pm - 11:46 pm
STL
-
ITH
6h 31m
1 stop
Delta Logo
5:31 am - 12:20 pm
ITH
-
STL
7h 49m
2 stops
$381Delta
Sat, May 30 - Wed, Jun 3
Delta Logo
1:39 pm - 12:23 am
STL
-
ITH
9h 44m
2 stops
Delta Logo
5:28 am - 12:34 pm
ITH
-
STL
8h 06m
2 stops
$439Delta
Thu, Jun 11 - Wed, Jun 17
Delta Logo
10:19 am - 11:46 pm
STL
-
ITH
12h 27m
2 stops
Delta Logo
5:31 am - 12:20 pm
ITH
-
STL
7h 49m
2 stops
$506Delta
Fri, May 29 - Tue, Jun 2
Delta Logo
1:39 pm - 12:09 am
STL
-
ITH
9h 30m
2 stops
Delta Logo
5:28 am - 12:34 pm
ITH
-
STL
8h 06m
2 stops
$569Delta
Tue, Jun 9 - Fri, Jun 12
Delta Logo
1:39 pm - 12:09 am
STL
-
ITH
9h 30m
2 stops
Delta Logo
5:28 am - 2:52 pm
ITH
-
STL
10h 24m
2 stops
$609Delta
Tue, Jun 9 - Fri, Jun 12
United Airlines Logo
6:00 am - 11:44 pm
STL
-
ITH
16h 44m
2 stops
United Airlines Logo
7:50 pm - 12:11 pm
ITH
-
STL
17h 21m
2 stops
$668United Airlines
Tue, Jun 9 - Fri, Jun 12
United Airlines Logo
1:13 pm - 11:44 pm
STL
-
ITH
9h 31m
2 stops
United Airlines Logo
7:50 pm - 12:11 pm
ITH
-
STL
17h 21m
2 stops
$680United Airlines
Tue, Jun 16 - Fri, Jun 19
United Airlines Logo
6:00 am - 11:44 pm
STL
-
ITH
16h 44m
2 stops
United Airlines Logo
7:50 pm - 10:27 am
ITH
-
STL
15h 37m
1 stop
$682United Airlines
Tue, Jun 9 - Fri, Jun 12

United Airlines flights from St. Louis to Ithaca

Our best United Airlines deals on St. Louis to Ithaca flight tickets
United Airlines
May 30
STL1:13 pmLambert-St Louis
9h 31m
2 stops
ITH11:44 pmIthaca Tompkins County
Jun 3
ITH6:00 amIthaca Tompkins County
7h 11m
2 stops
STL12:11 pmLambert-St Louis
$349
United Airlines
Jun 9
STL6:00 amLambert-St Louis
16h 44m
2 stops
ITH11:44 pmIthaca Tompkins County
Jun 12
ITH7:50 pmIthaca Tompkins County
17h 21m
2 stops
STL12:11 pmLambert-St Louis
$668
United Airlines
Jun 16
STL1:13 pmLambert-St Louis
9h 31m
2 stops
ITH11:44 pmIthaca Tompkins County
Jun 19
ITH7:50 pmIthaca Tompkins County
17h 21m
2 stops
STL12:11 pmLambert-St Louis
$680

Delta flights from St. Louis to Ithaca

Our best Delta deals on St. Louis to Ithaca flight tickets
Delta
May 29
STL4:25 pmLambert-St Louis
6h 21m
1 stop
ITH11:46 pmIthaca Tompkins County
Jun 2
ITH1:36 pmIthaca Tompkins County
9h 02m
2 stops
STL9:38 pmLambert-St Louis
$358
Delta
May 30
STL4:15 pmLambert-St Louis
6h 31m
1 stop
ITH11:46 pmIthaca Tompkins County
Jun 3
ITH5:31 amIthaca Tompkins County
7h 49m
2 stops
STL12:20 pmLambert-St Louis
$381
Delta
Jun 11
STL1:39 pmLambert-St Louis
9h 44m
2 stops
ITH12:23 amIthaca Tompkins County
Jun 17
ITH5:28 amIthaca Tompkins County
8h 06m
2 stops
STL12:34 pmLambert-St Louis
$439

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 May 15, 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

Sat 5/30

1:13 pm-11:44 pm

2 stops9h 31m

Ithaca Tompkins County

Wed 6/3

6:00 am-12:11 pm

2 stops7h 11m

$349

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Fri 5/29

4:25 pm-11:46 pm

1 stop6h 21m

Ithaca Tompkins County

Tue 6/2

1:36 pm-9:38 pm

2 stops9h 02m

$358
Quickest round-trip

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Sat 5/30

4:15 pm-11:46 pm

1 stop6h 31m

Ithaca Tompkins County

Wed 6/3

5:31 am-12:20 pm

2 stops7h 49m

$381

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Thu 6/11

1:39 pm-12:23 am

2 stops9h 44m

Ithaca Tompkins County

Wed 6/17

5:28 am-12:34 pm

2 stops8h 06m

$439

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Fri 5/29

10:19 am-11:46 pm

2 stops12h 27m

Ithaca Tompkins County

Tue 6/2

5:31 am-12:20 pm

2 stops7h 49m

$506

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Tue 6/9

1:39 pm-12:09 am

2 stops9h 30m

Ithaca Tompkins County

Fri 6/12

5:28 am-12:34 pm

2 stops8h 06m

$569

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Tue 6/9

1:39 pm-12:09 am

2 stops9h 30m

Ithaca Tompkins County

Fri 6/12

5:28 am-2:52 pm

2 stops10h 24m

$609

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Tue 6/9

6:00 am-11:44 pm

2 stops16h 44m

Ithaca Tompkins County

Fri 6/12

7:50 pm-12:11 pm

2 stops17h 21m

$668

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Tue 6/16

1:13 pm-11:44 pm

2 stops9h 31m

Ithaca Tompkins County

Fri 6/19

7:50 pm-12:11 pm

2 stops17h 21m

$680

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Tue 6/9

6:00 am-11:44 pm

2 stops16h 44m

Ithaca Tompkins County

Fri 6/12

7:50 pm-10:27 am

1 stop15h 37m

$682

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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

6h 21m

Direct flights

None
The fastest flight from St. Louis to Ithaca takes 6h 21m
There are no direct flights from St. Louis to Ithaca. There are no popular flight routes from St. Louis to Ithaca.
Search flight deals

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 6h 21m.

  • 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.

An easier way to manage your Ithaca trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 6/14
Sun 6/21
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States