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

For as low as $289, United Airlines can have you in Ithaca from St. Louis in 7h 29m. There are 772 mi between St. Louis and Ithaca.

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.

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 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.

$239+ Flights from St. Louis to Ithaca

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Cheap flight deals from St. Louis to Ithaca

Round-trip from	$289 (United Airlines)
One-way from	$239 (Delta)

From Lambert-St Louis to Ithaca Tompkins County

Search Deals

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

Search Deals

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 September 11, 2025.

Sat 11/83:14 pmSTL - ITH

2 stops7h 29mUnited Airlines

Sat 11/156:10 amITH - STL

2 stops9h 15mUnited Airlines

Deal found 9/10

$289

Fri 9/126:35 amSTL - ITH

2 stops11h 03mUnited Airlines

Sat 9/136:10 amITH - STL

2 stops9h 09mUnited Airlines

Deal found 9/10

$349

Wed 10/85:28 pmSTL - ITH

2 stops15h 12mUnited Airlines

Wed 10/157:53 pmITH - STL

2 stops15h 56mUnited Airlines

Deal found 9/11

$474

Fri 9/124:10 pmSTL - ITH

1 stop6h 55mDelta

Sat 9/132:05 pmITH - STL

2 stops8h 45mDelta

Deal found 9/10

$533

Sat 11/84:10 pmSTL - ITH

1 stop7h 11mDelta

Fri 11/145:40 amITH - STL

2 stops8h 20mDelta

Deal found 9/11

$544

Sat 11/88:20 amSTL - ITH

2 stops14h 23mUnited Airlines

Fri 11/146:10 amITH - STL

2 stops18h 34mUnited Airlines

Deal found 9/11

$560

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 September 11, 2025.

Sat 11/83:14 pmSTL - ITH

2 stops7h 29mUnited Airlines

Sat 11/156:10 amITH - STL

2 stops9h 15mUnited Airlines

Deal found 9/10

$289

Sat 11/84:10 pmSTL - ITH

1 stop7h 11mDelta

Fri 11/142:05 pmITH - STL

2 stops7h 41mDelta

Deal found 9/11

$544

Wed 10/85:28 pmSTL - ITH

2 stops15h 12mUnited Airlines

Wed 10/157:53 pmITH - STL

2 stops15h 56mUnited Airlines

Deal found 9/11

$474

Sun 11/164:30 pmSTL - ITH

1 stop5h 24mDelta

Sat 11/225:40 amITH - STL

2 stops11h 27mDelta

Deal found 9/9

$609

Sat 11/88:20 amSTL - ITH

2 stops14h 23mUnited Airlines

Fri 11/146:10 amITH - STL

2 stops18h 34mUnited Airlines

Deal found 9/11

$560

Thu 9/259:20 amSTL - ITH

2 stops8h 18mUnited Airlines

Mon 9/297:53 pmITH - STL

2 stops14h 59mUnited Airlines

Deal found 9/10

$636

Last-minute flights from St. Louis to Ithaca
Discover last-minute flight deals from St. Louis to Ithaca. Data last updated September 11, 2025 and is based on user searches.

Fri 9/126:35 amSTL - ITH

2 stops11h 03mUnited Airlines

Sat 9/136:10 amITH - STL

2 stops9h 09mUnited Airlines

Deal found 9/10

$349

Fri 9/124:10 pmSTL - ITH

1 stop6h 55mDelta

Sat 9/132:05 pmITH - STL

2 stops8h 45mDelta

Deal found 9/10

$533

Thu 9/259:20 amSTL - ITH

2 stops8h 18mUnited Airlines

Mon 9/297:53 pmITH - STL

2 stops14h 59mUnited Airlines

Deal found 9/10

$636

Thu 9/254:10 pmSTL - ITH

1 stop6h 55mDelta

Mon 9/295:42 amITH - STL

2 stops9h 53mDelta

Deal found 9/9

$924

Fri 9/2612:25 pmSTL - ITH

2 stops10h 18mUnited Airlines

Sun 9/286:10 amITH - STL

1 stop4h 52mUnited Airlines

Deal found 9/11

$745

Fri 10/311:04 amSTL - ITH

2 stops12h 01mDelta

Sun 10/55:42 amITH - STL

2 stops7h 49mDelta

Deal found 9/11

$769

Wed 10/85:28 pmSTL - ITH

2 stops15h 12mUnited Airlines

Wed 10/157:53 pmITH - STL

2 stops15h 56mUnited Airlines

Deal found 9/11

$474

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 September 11, 2025.

Thu 10/234:10 pmSTL - ITH

1 stop7h 11mDelta

Deal found 9/10

$239

Thu 10/234:50 pmSTL - ITH

2 stops15h 50mUnited Airlines

Deal found 9/10

$408

Fly from

Fly to

Route

Depart

Return

Price

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Sat 11/8

3:14 pm-11:43 pm

2 stops7h 29m

Ithaca Tompkins County

Sat 11/15

6:10 am-2:25 pm

2 stops9h 15m

$289

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Wed 10/8

5:28 pm-9:40 am

2 stops15h 12m

Ithaca Tompkins County

Wed 10/15

7:53 pm-10:49 am

2 stops15h 56m

$474

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Sat 11/8

4:10 pm-12:21 am

1 stop7h 11m

Ithaca Tompkins County

Fri 11/14

2:05 pm-8:46 pm

2 stops7h 41m

$544

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Sat 11/8

8:20 am-11:43 pm

2 stops14h 23m

Ithaca Tompkins County

Fri 11/14

6:10 am-11:44 pm

2 stops18h 34m

$560

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Sun 11/16

4:30 pm-10:54 pm

1 stop5h 24m

Ithaca Tompkins County

Sat 11/22

5:40 am-4:07 pm

2 stops11h 27m

$609

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Thu 9/25

9:20 am-6:38 pm

2 stops8h 18m

Ithaca Tompkins County

Mon 9/29

7:53 pm-9:52 am

2 stops14h 59m

$636

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Thu 10/23

4:10 pm-12:21 am

1 stop7h 11m

$239

St. LouisIthaca

STL - ITH

STLITH

Lambert-St Louis

Thu 10/23

4:50 pm-9:40 am

2 stops15h 50m

$408

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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 May is currently the most expensive (average of $460). 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 $289, United Airlines can have you in Ithaca from St. Louis in 7h 29m. There are 772 mi between St. Louis and Ithaca.
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 May is currently the most expensive (average of $460). 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 10/23. 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

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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 September 11, 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 September 11, 2025.

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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 September 11, 2025.