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

For as low as $259, Delta can have you in Ithaca from St. Louis in 6h 56m. 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 Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on St. Louis-Ithaca flight deals on Cheapflights vs. Expedia 90-95% 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.

$259+ Flights from St. Louis to Ithaca

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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 diciembre 12, 2025.

vie. 12/268:05 amSTL - ITH

2 stops9h 36mUnited Airlines

mar. 12/307:40 pmITH - STL

2 stops21h 47mUnited Airlines

Deal found 12/11

$705

lun. 12/299:55 amSTL - ITH

2 stops12h 49mUnited Airlines

jue. 1/17:40 pmITH - STL

1 stop15h 28mUnited Airlines

Deal found 12/11

$743

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 diciembre 12, 2025.

sáb. 1/106:00 amSTL - ITH

2 stops6h 56mDelta

sáb. 1/175:25 amITH - STL

2 stops10h 24mDelta

Deal found 12/11

$259

sáb. 1/109:57 amSTL - ITH

2 stops7h 44mUnited Airlines

sáb. 1/176:00 amITH - STL

1 stop5h 13mUnited Airlines

Deal found 12/11

$284

lun. 1/56:30 amSTL - ITH

2 stops11h 11mUnited Airlines

mar. 1/136:00 amITH - STL

1 stop5h 13mUnited Airlines

Deal found 12/10

$324

vie. 1/239:57 amSTL - ITH

2 stops7h 44mUnited Airlines

mar. 1/276:00 amITH - STL

2 stops9h 30mUnited Airlines

Deal found 12/9

$374

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

lun. 1/56:30 amSTL - ITH

2 stops11h 11mUnited Airlines

mar. 1/136:00 amITH - STL

1 stop5h 13mUnited Airlines

Deal found 12/10

$324

sáb. 1/106:00 amSTL - ITH

2 stops6h 56mDelta

sáb. 1/175:25 amITH - STL

2 stops10h 24mDelta

Deal found 12/11

$259

sáb. 1/109:57 amSTL - ITH

2 stops7h 44mUnited Airlines

sáb. 1/176:00 amITH - STL

1 stop5h 13mUnited Airlines

Deal found 12/11

$284

vie. 1/239:57 amSTL - ITH

2 stops7h 44mUnited Airlines

mar. 1/276:00 amITH - STL

2 stops9h 30mUnited Airlines

Deal found 12/9

$374

Find flight deals from St. Louis to Ithaca

Most accurate provider	Expedia 2 stars
Most trusted provider	Expedia 3 stars
Round-trip from	$259 (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

Fly from

Fly to

Route

Depart

Return

Price

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

sáb. 1/10

6:00 am-1:56 pm

2 stops6h 56m

Ithaca Tompkins County

sáb. 1/17

5:25 am-2:49 pm

2 stops10h 24m

$259

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

sáb. 1/10

9:57 am-6:41 pm

2 stops7h 44m

Ithaca Tompkins County

sáb. 1/17

6:00 am-10:13 am

1 stop5h 13m

$284

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

lun. 1/5

6:30 am-6:41 pm

2 stops11h 11m

Ithaca Tompkins County

mar. 1/13

6:00 am-10:13 am

1 stop5h 13m

$324

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

vie. 1/23

9:57 am-6:41 pm

2 stops7h 44m

Ithaca Tompkins County

mar. 1/27

6:00 am-2:30 pm

2 stops9h 30m

$374

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Most accurate provider: When it comes to deals on St. Louis-Ithaca flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on St. Louis-Ithaca flight deals on Cheapflights vs. Expedia 90-95% 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, 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

How long is the flight from St. Louis to Ithaca?
For as low as $259, Delta can have you in Ithaca from St. Louis in 6h 56m. 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.

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$259+ 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 1/10. 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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Cheap 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 diciembre 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 diciembre 12, 2025.

Find flight deals from St. Louis to Ithaca

Most accurate provider

Most trusted provider

Round-trip from

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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?

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 diciembre 12, 2025.