What is the cheapest day to fly from St. Louis to Ithaca?

Travelers seeking maximum savings on their St. Louis to Ithaca flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from St. Louis to Ithaca?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 236% on your flight compared to booking on days when demand is much higher.

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

Unlike at noon, when flights are generally more expensive, you can save up to 34% on flights from St. Louis to Ithaca by exploring options for tickets in the morning.

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.

$449+ Flights from St. Louis to Ithaca

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Cheap flight deals from St. Louis to Ithaca

Round-trip from	$544 (Delta)
One-way from	$516 (United Airlines)

From Lambert-St Louis to Ithaca Tompkins County

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

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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 June 12, 2025.

Wed 6/1810:48 amSTL - ITH

2 stops12h 30mDelta

Wed 6/255:35 amITH - STL

2 stops10h 02mDelta

Deal found 6/10

$449

Sun 7/68:15 amSTL - ITH

1 stop14h 15mUnited Airlines

Fri 7/117:55 pmITH - STL

2 stops15h 45mUnited Airlines

Deal found 6/10

$644

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 June 12, 2025.

Thu 10/24:40 pmSTL - ITH

1 stop5h 42mDelta

Sun 10/55:55 amITH - STL

2 stops9h 41mDelta

Deal found 6/11

$544

Sun 7/68:15 amSTL - ITH

1 stop14h 15mUnited Airlines

Fri 7/117:55 pmITH - STL

2 stops15h 45mUnited Airlines

Deal found 6/10

$644

Last-minute flights from St. Louis to Ithaca
Discover last-minute flight deals from St. Louis to Ithaca. Data last updated June 12, 2025 and is based on user searches.

Wed 6/1810:48 amSTL - ITH

2 stops12h 30mDelta

Wed 6/255:35 amITH - STL

2 stops10h 02mDelta

Deal found 6/10

$449

Wed 6/181:00 pmSTL - ITH

1 stop9h 35mUnited Airlines

Wed 6/257:50 pmITH - STL

2 stops17h 37mUnited Airlines

Deal found 6/10

$926

Sun 7/68:15 amSTL - ITH

1 stop14h 15mUnited Airlines

Fri 7/117:55 pmITH - STL

2 stops15h 45mUnited Airlines

Deal found 6/10

$644

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 June 12, 2025.

Wed 7/96:33 amSTL - ITH

2 stops15h 57mUnited Airlines

Deal found 6/11

$516

Cheapflights Fare Finder

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

Thu 10/2

4:40 pm-11:22 pm

1 stop5h 42m

Ithaca Tompkins County

Sun 10/5

5:55 am-2:36 pm

2 stops9h 41m

$544

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Sun 7/6

8:15 am-11:30 pm

1 stop14h 15m

Ithaca Tompkins County

Fri 7/11

7:55 pm-10:40 am

2 stops15h 45m

$644

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Wed 7/9

6:33 am-11:30 pm

2 stops15h 57m

$516

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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, February is the cheapest month in which you can book a flight from St. Louis to Ithaca (average of $359). Flying from St. Louis to Ithaca in August is currently the most expensive (average of $478). 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.

Rainfall in Ithaca by month

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.

Temperature in Ithaca by month

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).

Reviews of airlines servicing Ithaca

See what other customers who have flown with Delta and United Airlines from St. Louis to Ithaca have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

Delta

8.0

Very good

7,950 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

Related info for your journey

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, February is the cheapest month in which you can book a flight from St. Louis to Ithaca (average of $359). Flying from St. Louis to Ithaca in August is currently the most expensive (average of $478). 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

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Top airline flying from St. Louis to Ithaca

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$328	Average$398	FlexibilityNo cancel fee	On-time69%

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$449+ 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 6/18. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St. Louis to Ithaca

Round-trip from

One-way from

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 June 12, 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 June 12, 2025.

Cheapflights Fare Finder

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

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?

Rainfall in Ithaca by month

Plan your trip to Ithaca by taking into account the average rainfall totals by month.

Temperature in Ithaca by month

Plan your trip to Ithaca by taking into account the average temperature totals by month.

Reviews of airlines servicing Ithaca

Get insights into the airlines that provide service to Ithaca. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ithaca. Reviews last updated June 12, 2025.

See what other customers who have flown with Delta and United Airlines from St. Louis to Ithaca have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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.

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?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Ithaca

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from St. Louis to Ithaca

100% Free

Book with Flexibility

Travel Smart

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 June 12, 2025.