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

For as low as $497, United Airlines can have you in Ithaca from St. Louis in 4h 18m. There are 772 mi between St. Louis and Ithaca. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Ithaca ranges from 2.0 - 3.9 inches per month. July is typically the wettest month, when rainfall can reach 3.9 in. January is typically the driest time to visit Ithaca when rainfall is around 2.0 in.

If weather is an important factor for your trip to Ithaca, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

What is the cheapest time of day to fly from STL to ITH?

When flying from St. Louis to Ithaca, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 Expedia the most. Expedia 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.

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.

$239+ Flights from St. Louis to Ithaca

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Find 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 October 28, 2025.

Wed 11/261:10 pmSTL - ITH

1 stop4h 18mUnited Airlines

Sat 11/296:10 amITH - STL

1 stop4h 57mUnited Airlines

Deal found 10/25

$497

Sat 11/14:10 pmSTL - ITH

1 stop7h 11mDelta

Tue 11/45:40 amITH - STL

1 stop12h 03mDelta

Deal found 10/25

$562

Sat 11/13:14 pmSTL - ITH

2 stops7h 29mUnited Airlines

Tue 11/46:10 amITH - STL

2 stops9h 14mUnited Airlines

Deal found 10/25

$575

Tue 11/113:14 pmSTL - ITH

2 stops7h 29mUnited Airlines

Sat 11/157:40 pmITH - STL

2 stops19h 44mUnited Airlines

Deal found 10/27

$583

Best flights from St. Louis to Ithaca
Discover carefully curated flight deals from St. Louis to Ithaca that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2025.

Wed 11/261:10 pmSTL - ITH

1 stop4h 18mUnited Airlines

Sat 11/296:10 amITH - STL

1 stop4h 57mUnited Airlines

Deal found 10/25

$497

Sat 1/34:55 pmSTL - ITH

1 stop4h 37mDelta

Fri 1/95:25 amITH - STL

2 stops10h 25mDelta

Deal found 10/25

$524

Tue 11/113:14 pmSTL - ITH

2 stops7h 29mUnited Airlines

Sat 11/157:40 pmITH - STL

2 stops19h 44mUnited Airlines

Deal found 10/27

$583

Sat 1/38:15 amSTL - ITH

1 stop9h 26mUnited Airlines

Fri 1/96:00 amITH - STL

1 stop5h 13mUnited Airlines

Deal found 10/25

$612

Wed 11/121:10 pmSTL - ITH

1 stop4h 18mUnited Airlines

Sun 11/167:40 pmITH - STL

1 stop24h 36mUnited Airlines

Deal found 10/27

$1,089

Wed 11/261:10 pmSTL - ITH

1 stop4h 18mUnited Airlines

Sun 11/306:10 amITH - STL

1 stop4h 57mUnited Airlines

Deal found 10/25

$1,539

Last-minute flights from St. Louis to Ithaca
Discover last-minute flight deals from St. Louis to Ithaca. Data last updated October 28, 2025 and is based on user searches.

Sat 11/14:10 pmSTL - ITH

1 stop7h 11mDelta

Tue 11/45:40 amITH - STL

1 stop12h 03mDelta

Deal found 10/25

$562

Sat 11/13:14 pmSTL - ITH

2 stops7h 29mUnited Airlines

Tue 11/46:10 amITH - STL

2 stops9h 14mUnited Airlines

Deal found 10/25

$575

Tue 11/113:14 pmSTL - ITH

2 stops7h 29mUnited Airlines

Sat 11/157:40 pmITH - STL

2 stops19h 44mUnited Airlines

Deal found 10/27

$583

Wed 11/261:10 pmSTL - ITH

1 stop4h 18mUnited Airlines

Sat 11/296:10 amITH - STL

1 stop4h 57mUnited Airlines

Deal found 10/25

$497

One-way flights from St. Louis to Ithaca
Search for one-way flight options from St. Louis to Ithaca. Find affordable one-way fares based on user searches. Data last updated October 28, 2025.

Wed 11/194:30 pmSTL - ITH

1 stop5h 24mDelta

Deal found 10/27

$239

Thu 11/2010:45 amSTL - ITH

2 stops11h 09mDelta

Deal found 10/26

$335

Thu 11/208:25 amSTL - ITH

1 stop9h 03mUnited Airlines

Deal found 10/26

$512

Cheap flight deals from St. Louis to Ithaca

Most accurate provider	FlightHub 3 stars
Most trusted provider	Expedia 3 stars
Round-trip from	$497 (United Airlines)
One-way from	$239 (Delta)

Provider with most accurate pricing for Lambert-St Louis-Ithaca Tompkins County flight deals.

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Provider most trusted by Cheapflights users for Lambert-St Louis-Ithaca Tompkins County flights.

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From Lambert-St Louis to Ithaca Tompkins County

Search Deals

One-way flight from Lambert-St Louis to Ithaca Tompkins County

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Wed 11/26

1:10 pm-6:28 pm

1 stop4h 18m

Ithaca Tompkins County

Sat 11/29

6:10 am-10:07 am

1 stop4h 57m

$497

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Sat 1/3

4:55 pm-10:32 pm

1 stop4h 37m

Ithaca Tompkins County

Fri 1/9

5:25 am-2:50 pm

2 stops10h 25m

$524

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Tue 11/11

3:14 pm-11:43 pm

2 stops7h 29m

Ithaca Tompkins County

Sat 11/15

7:40 pm-2:24 pm

2 stops19h 44m

$583

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Sat 1/3

8:15 am-6:41 pm

1 stop9h 26m

Ithaca Tompkins County

Fri 1/9

6:00 am-10:13 am

1 stop5h 13m

$612

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Wed 11/12

1:10 pm-6:28 pm

1 stop4h 18m

Ithaca Tompkins County

Sun 11/16

7:40 pm-7:16 pm

1 stop24h 36m

$1,089

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Wed 11/26

1:10 pm-6:28 pm

1 stop4h 18m

Ithaca Tompkins County

Sun 11/30

6:10 am-10:07 am

1 stop4h 57m

$1,539

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Wed 11/19

4:30 pm-10:54 pm

1 stop5h 24m

$239

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Thu 11/20

10:45 am-10:54 pm

2 stops11h 09m

$335

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Thu 11/20

8:25 am-6:28 pm

1 stop9h 03m

$512

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Compare providers for flights from St. Louis to Ithaca

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 October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star

*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 Expedia the most. Expedia 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, January is the cheapest month in which you can book a flight from St. Louis to Ithaca (average of $194). Flying from St. Louis to Ithaca in November is currently the most expensive (average of $288). 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

How long is the flight from St. Louis to Ithaca?
For as low as $497, United Airlines can have you in Ithaca from St. Louis in 4h 18m. 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, January is the cheapest month in which you can book a flight from St. Louis to Ithaca (average of $194). Flying from St. Louis to Ithaca in November is currently the most expensive (average of $288). 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.

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$239+ Cheap flights from St. Louis to Ithaca (STL - ITH)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Ithaca with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Find flight deals from St. Louis to Ithaca

Cheapest flights from St. Louis to IthacaExplore 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 October 28, 2025.

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 October 28, 2025.

Cheap flight deals from St. Louis to Ithaca

Most accurate provider

Most trusted provider

Round-trip from

One-way from

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Use the filters below to find and compare flights from St. Louis to Ithaca that are best for you.

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 October.

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.

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?

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?

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

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

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

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

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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 October 28, 2025.