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Ithaca

$324+ Cheap flights from St. Louis to Ithaca (STL - ITH)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ITH
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Find cheap flights from St. Louis to Ithaca with Cheapflights

1. Tell us where you want to go

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Cheap flight deals from St. Louis to Ithaca

Cheapest flights from St. Louis to Ithaca
Explore the most affordable flight options available from St. Louis to Ithaca. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This Delta deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:00 pm
STL
-
ITH
1 stop5h 27m
Delta
Sat 6/65:55 am
ITH
-
STL
2 stops7h 59m
Delta
Deal found 1/25$324
This Delta deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/301:30 pm
STL
-
ITH
2 stops8h 57m
Delta
Sat 6/65:55 am
ITH
-
STL
2 stops7h 59m
Delta
Deal found 1/25$425
This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1010:19 am
STL
-
ITH
2 stops12h 03m
Delta
Sat 2/143:03 pm
ITH
-
STL
2 stops9h 20m
Delta
Deal found 1/26$713
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/101:15 pm
STL
-
ITH
2 stops9h 29m
United Airlines
Sat 2/147:45 pm
ITH
-
STL
2 stops26h 55m
United Airlines
Deal found 1/26$717
This United Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:27 pm
STL
-
ITH
2 stops9h 03m
United Airlines
Sat 10/317:50 pm
ITH
-
STL
2 stops22h 45m
United Airlines
Deal found 1/25$779
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:30 am
STL
-
ITH
2 stops16h 14m
United Airlines
Mon 5/117:40 pm
ITH
-
STL
2 stops28h 19m
United Airlines
Deal found 1/26$809
This United Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/301:00 pm
STL
-
ITH
1 stop9h 30m
United Airlines
Sat 6/66:00 am
ITH
-
STL
1 stop4h 48m
United Airlines
Deal found 1/25$1,079
This United Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/291:00 pm
STL
-
ITH
1 stop9h 30m
United Airlines
Sat 6/66:00 am
ITH
-
STL
1 stop4h 48m
United Airlines
Deal found 1/25$1,108

Find flight deals from St. Louis to Ithaca

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Ithaca (ITH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$324
(Delta)
Provider with most accurate pricing for Lambert-St Louis-Ithaca Tompkins County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Ithaca Tompkins County flights.
Search Deals
From Lambert-St Louis to Ithaca Tompkins County
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
Use the filters below to find and compare flights from St. Louis to Ithaca that are best for you.

Fly from

St. Louis

Fly to

Ithaca

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

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

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Fri 5/8

6:30 am-11:44 pm

2 stops16h 14m

Ithaca Tompkins County

Mon 5/11

7:40 pm-10:59 pm

2 stops28h 19m

$809

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Sat 5/30

1:00 pm-11:30 pm

1 stop9h 30m

Ithaca Tompkins County

Sat 6/6

6:00 am-9:48 am

1 stop4h 48m

$1,079

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Fri 5/29

1:00 pm-11:30 pm

1 stop9h 30m

Ithaca Tompkins County

Sat 6/6

6:00 am-9:48 am

1 stop4h 48m

$1,108

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Sat 2/7

12:44 pm-6:41 pm

1 stop4h 57m

$390

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Fri 2/6

12:00 pm-11:22 pm

2 stops10h 22m

$395

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Sat 2/7

6:35 am-1:56 pm

2 stops6h 21m

$395

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 11 results
1
2

Compare providers for flights from St. Louis to Ithaca

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Ithaca in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Ithaca flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Ithaca flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Ithaca flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Ithaca flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Ithaca flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Ithaca

Have a flexible travel schedule? Discover the best time to fly to Ithaca from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Ithaca

What is the cheapest month to book a flight from St. Louis to Ithaca?

Currently, September is the cheapest month in which you can book a flight from St. Louis to Ithaca (average of $198). Flying from St. Louis to Ithaca in December is currently the most expensive (average of $284). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Ithaca. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from St. Louis to Ithaca?

    For as low as $324, Delta can have you in Ithaca from St. Louis in 5h 27m. There are 772 mi between St. Louis and Ithaca. This flight may include one or multiple stops.

  • Can I find deals for flights from St. Louis to Ithaca that include hotel bookings?

    Yes. In addition to deals on St. Louis to Ithaca flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Ithaca?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Ithaca.

  • Can I find deals for business class flights from St. Louis to Ithaca?

    Yes. Cheapflights offers flight deals from St. Louis to Ithaca by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Ithaca?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Ithaca (average of $198). Flying from St. Louis to Ithaca in December is currently the most expensive (average of $284). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Ithaca?

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