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$279+ Cheap flights from Ithaca to St. Louis (ITH - STL)

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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
ITH — STL
Oct 29 — Nov 51
Wed 10/29
Wed 11/5
1 adult, Economy
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Cheap flight deals from Ithaca to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Ithaca (ITH) to St. Louis (STL). 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 September 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$389
(United Airlines)

One-way from

$279
(United Airlines)
Provider with most accurate pricing for Ithaca Tompkins County-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Ithaca Tompkins County-Lambert-St Louis flights.
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From Ithaca Tompkins County to Lambert-St Louis
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One-way flight from Ithaca Tompkins County to Lambert-St Louis
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Find flight deals from Ithaca to St. Louis

Cheapest flights from Ithaca to St. Louis
Explore the most affordable flight options available from Ithaca to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 29, 2025.

This United Airlines deal was found by Cheapflights users on 9/28. 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.
Wed 10/156:10 amITH - STL
2 stops9h 17mUnited Airlines
Sat 10/186:30 amSTL - ITH
2 stops11h 08mUnited Airlines
Deal found 9/28$389
This United Airlines deal was found by Cheapflights users on 9/26. 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.
Sat 9/276:10 amITH - STL
2 stops7h 18mUnited Airlines
Wed 10/11:05 pmSTL - ITH
1 stop4h 33mUnited Airlines
Deal found 9/26$580
This United Airlines deal was found by Cheapflights users on 9/29. 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 11/16:10 amITH - STL
2 stops9h 14mUnited Airlines
Mon 11/39:00 amSTL - ITH
2 stops13h 43mUnited Airlines
Deal found 9/29$622
This Delta deal was found by Cheapflights users on 9/29. 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.
Wed 10/152:05 pmITH - STL
2 stops7h 18mDelta
Sat 10/184:13 pmSTL - ITH
1 stop7h 08mDelta
Deal found 9/29$652
This United Airlines deal was found by Cheapflights users on 9/27. 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.
Thu 11/206:10 amITH - STL
1 stop4h 57mUnited Airlines
Sun 11/231:10 pmSTL - ITH
1 stop9h 33mUnited Airlines
Deal found 9/27$841

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ithaca to St. Louis 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 September 29, 2025.
Use the filters below to find and compare flights from Ithaca to St. Louis that are best for you.

Fly from

Ithaca

Fly to

St. Louis

Route

Depart

Return

Price

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Wed 10/15

6:10 am-2:27 pm

2 stops9h 17m

Lambert-St Louis

Sat 10/18

6:30 am-6:38 pm

2 stops11h 08m

$389

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Sat 11/1

6:10 am-2:24 pm

2 stops9h 14m

Lambert-St Louis

Mon 11/3

9:00 am-11:43 pm

2 stops13h 43m

$622

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Thu 11/20

6:10 am-10:07 am

1 stop4h 57m

Lambert-St Louis

Sun 11/23

1:10 pm-11:43 pm

1 stop9h 33m

$841

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Fri 3/13

6:00 am-12:20 pm

2 stops7h 20m

$279

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Sun 10/5

5:42 am-12:31 pm

2 stops7h 49m

$425

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Sun 10/5

6:10 am-10:02 am

1 stop4h 52m

$503

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/27

Compare providers for flights from Ithaca to St. Louis

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 Ithaca to St. Louis in September.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 Ithaca-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ithaca-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ithaca-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ithaca-St. Louis 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 Ithaca-St. Louis 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 Ithaca to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Ithaca 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 Ithaca to St. Louis

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

Currently, August is the cheapest month in which you can book a flight from Ithaca to St. Louis (average of $311). Flying from Ithaca to St. Louis in March is currently the most expensive (average of $356). 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 Ithaca to St. Louis. 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 Ithaca to St. Louis?

    A quick flight from Ithaca to St. Louis can take about 9h 17m. United Airlines provides one of the quickest options available for as low as $389. Airlines will cover a distance of 772 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ithaca to St. Louis 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 Ithaca to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Ithaca to St. Louis (average of $311). Flying from Ithaca to St. Louis in March is currently the most expensive (average of $356). 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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