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

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
ITH — STL
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap flight deals from Ithaca to St. Louis

Best flights from Ithaca to St. Louis
Discover carefully curated flight deals from Ithaca to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

This Delta deal was found by Cheapflights users on 12/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/121:33 pmITH - STL
2 stops11h 25mDelta
Mon 3/161:39 pmSTL - ITH
2 stops9h 20mDelta
Deal found 12/26$279
This United Airlines deal was found by Cheapflights users on 12/25. 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 2/216:00 amITH - STL
1 stop5h 13mUnited Airlines
Tue 2/247:41 amSTL - ITH
2 stops39h 01mUnited Airlines
Deal found 12/25$545
This Delta deal was found by Cheapflights users on 12/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/135:32 amITH - STL
2 stops10h 41mDelta
Mon 3/161:39 pmSTL - ITH
2 stops9h 20mDelta
Deal found 12/26$454
This United Airlines deal was found by Cheapflights users on 12/26. 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.
Thu 3/126:00 amITH - STL
1 stop5h 27mUnited Airlines
Mon 3/168:30 amSTL - ITH
1 stop14h 12mUnited Airlines
Deal found 12/26$676
This United Airlines deal was found by Cheapflights users on 12/26. 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.
Fri 3/136:00 amITH - STL
2 stops9h 43mUnited Airlines
Mon 3/168:30 amSTL - ITH
1 stop14h 12mUnited Airlines
Deal found 12/26$771
This Delta deal was found by Cheapflights users on 12/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/115:29 amITH - STL
2 stops10h 31mDelta
Thu 1/156:35 amSTL - ITH
2 stops6h 21mDelta
Deal found 12/27$798

Find 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 December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$279
(Delta)
Provider with most accurate pricing for Ithaca Tompkins County-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ithaca Tompkins County-Lambert-St Louis flights.
Search Deals
From Ithaca Tompkins County to Lambert-St Louis
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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 December 28, 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

Thu 3/12

1:33 pm-11:58 pm

2 stops11h 25m

Lambert-St Louis

Mon 3/16

1:39 pm-11:59 pm

2 stops9h 20m

$279

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Fri 3/13

5:32 am-3:13 pm

2 stops10h 41m

Lambert-St Louis

Mon 3/16

1:39 pm-11:59 pm

2 stops9h 20m

$454

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Sat 2/21

6:00 am-10:13 am

1 stop5h 13m

Lambert-St Louis

Tue 2/24

7:41 am-11:42 pm

2 stops39h 01m

$545

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Thu 3/12

6:00 am-10:27 am

1 stop5h 27m

Lambert-St Louis

Mon 3/16

8:30 am-11:42 pm

1 stop14h 12m

$676

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Fri 3/13

6:00 am-2:43 pm

2 stops9h 43m

Lambert-St Louis

Mon 3/16

8:30 am-11:42 pm

1 stop14h 12m

$771

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Sun 1/11

5:29 am-3:00 pm

2 stops10h 31m

Lambert-St Louis

Thu 1/15

6:35 am-1:56 pm

2 stops6h 21m

$798

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ithaca-St. Louis flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, April 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 5h 13m. Delta provides one of the quickest options available for as low as $545. 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, April 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
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

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