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$274+ 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
Nov 19 — Nov 261
Wed 11/19
Wed 11/26
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 October 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$295
(Delta)

One-way from

$274
(Delta)
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 October 20, 2025.

This Delta deal was found by Cheapflights users on 10/19. 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 11/192:05 pmITH - STL
2 stops7h 41mDelta
Tue 12/94:32 pmSTL - ITH
1 stop5h 19mDelta
Deal found 10/19$295
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Tue 11/186:10 amITH - STL
2 stops9h 14mUnited Airlines
Mon 12/83:19 pmSTL - ITH
2 stops7h 24mUnited Airlines
Deal found 10/19$530
This United Airlines deal was found by Cheapflights users on 10/19. 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
1 stop4h 57mUnited Airlines
Mon 11/31:10 pmSTL - ITH
1 stop4h 18mUnited Airlines
Deal found 10/19$560
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/196:10 amITH - STL
2 stops16h 44mUnited Airlines
Tue 12/95:27 pmSTL - ITH
2 stops24h 11mUnited Airlines
Deal found 10/19$622
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Sun 11/167:40 pmITH - STL
2 stops27h 14mUnited Airlines
Sun 11/236:30 amSTL - ITH
2 stops10h 58mUnited Airlines
Deal found 10/19$633

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 October 20, 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 11/19

2:05 pm-8:46 pm

2 stops7h 41m

Lambert-St Louis

Tue 12/9

4:32 pm-10:51 pm

1 stop5h 19m

$295

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Tue 11/18

6:10 am-2:24 pm

2 stops9h 14m

Lambert-St Louis

Mon 12/8

3:19 pm-11:43 pm

2 stops7h 24m

$530

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Wed 11/19

6:10 am-9:54 pm

2 stops16h 44m

Lambert-St Louis

Tue 12/9

5:27 pm-6:38 pm

2 stops24h 11m

$622

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Sat 11/1

6:10 am-10:07 am

1 stop4h 57m

Lambert-St Louis

Mon 11/3

1:10 pm-6:28 pm

1 stop4h 18m

$627

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Sun 11/16

7:40 pm-9:54 pm

2 stops27h 14m

Lambert-St Louis

Sun 11/23

6:30 am-6:28 pm

2 stops10h 58m

$633

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Mon 11/3

7:40 pm-9:54 pm

2 stops27h 14m

Lambert-St Louis

Fri 11/7

3:14 pm-6:28 pm

2 stops26h 14m

$716

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Fri 3/13

2:00 pm-8:39 pm

2 stops7h 39m

$274

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Fri 3/13

6:00 am-2:31 pm

2 stops9h 31m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/18

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 October.
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, February is the cheapest month in which you can book a flight from Ithaca to St. Louis (average of $223). Flying from Ithaca to St. Louis in May is currently the most expensive (average of $248). 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 7h 41m. Delta provides one of the quickest options available for as low as $295. Airlines will cover a distance of 772 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, February is the cheapest month in which you can book a flight from Ithaca to St. Louis (average of $223). Flying from Ithaca to St. Louis in May is currently the most expensive (average of $248). 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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