$444+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
ITH — STL
Oct 23 — Oct 301
Round-trip
1 adult, Economy
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Find cheap flights from Ithaca to St. Louis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ithaca to St. Louis
Cheapest
Best
Last-minute
Cheapest flights from Ithaca to St. LouisExplore 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 23, 2026.
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 23, 2026.
This United Airlines deal was found by Cheapflights users on 9/22. 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 10/316:00 am -
1 stop5h 12m
Wed 11/41:08 pm -
2 stops9h 36m
Deal found 9/22![United Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/237:59 pm -
2 stops20h 44m
Mon 10/261:08 pm -
2 stops9h 36m
Deal found 9/20![United Airlines logo]()
$537
This Delta deal was found by Cheapflights users on 9/18. 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 12/257:00 am -
2 stops15h 51m
Thu 12/316:30 am -
2 stops33h 48m
Deal found 9/18![Delta logo]()
$566
This Delta deal was found by Cheapflights users on 9/20. 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.
Sat 10/245:40 am -
2 stops8h 40m
Sun 10/2510:35 am -
2 stops24h 48m
Deal found 9/20![Delta logo]()
$568
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/246:15 am -
2 stops7h 00m
Mon 10/268:00 am -
1 stop14h 44m
Deal found 9/20![United Airlines logo]()
$577
This Delta deal was found by Cheapflights users on 9/18. 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 12/257:00 am -
2 stops15h 51m
Fri 1/16:30 am -
2 stops28h 54m
Deal found 9/18![Delta logo]()
$613
This United Airlines deal was found by Cheapflights users on 9/20. 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 12/237:45 pm -
2 stops28h 53m
Wed 12/307:18 am -
2 stops15h 25m
Deal found 9/20![United Airlines logo]()
$625
This Delta deal was found by Cheapflights users on 9/18. 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.
Sat 12/265:45 am -
2 stops13h 37m
Thu 12/313:25 pm -
2 stops24h 53m
Deal found 9/18![Delta logo]()
$643
This Delta deal was found by Cheapflights users on 9/18. 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.
Sat 12/265:45 am -
2 stops13h 37m
Tue 12/295:13 pm -
2 stops18h 11m
Deal found 9/18![Delta logo]()
$665
Best flights from Ithaca to St. LouisDiscover 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 September 23, 2026.
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 September 23, 2026.
This United Airlines deal was found by Cheapflights users on 9/22. 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 10/316:00 am -
1 stop5h 12m
Wed 11/41:08 pm -
2 stops9h 36m
Deal found 9/22![United Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/246:15 am -
2 stops9h 01m
Mon 10/261:08 pm -
2 stops9h 36m
Deal found 9/20![United Airlines logo]()
$449
Last-minute flights from Ithaca to St. LouisDiscover last-minute flight deals from Ithaca to St. Louis. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Ithaca to St. Louis. Data last updated September 23, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/237:59 pm -
2 stops20h 44m
Mon 10/261:08 pm -
2 stops9h 36m
Deal found 9/20![United Airlines logo]()
$537
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/236:15 am -
1 stop4h 26m
Sun 10/251:00 pm -
1 stop5h 02m
Deal found 9/20![United Airlines logo]()
$1,514
This Delta deal was found by Cheapflights users on 9/20. 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.
Sat 10/245:40 am -
2 stops8h 40m
Sun 10/2510:35 am -
2 stops24h 48m
Deal found 9/20![Delta logo]()
$568
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/246:15 am -
2 stops7h 00m
Mon 10/268:00 am -
1 stop14h 44m
Deal found 9/20![United Airlines logo]()
$577
This United Airlines deal was found by Cheapflights users on 9/22. 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 10/316:00 am -
1 stop5h 12m
Wed 11/41:08 pm -
2 stops9h 36m
Deal found 9/22![United Airlines logo]()
$444
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 September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $444 (United Airlines) |
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 7,457,451 searches. Data last updated September 23, 2026.
Use the filters below to find and compare flights from Ithaca to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
IthacaSt. Louis
ITH Ithaca Tompkins County - STL Lambert-St Louis
ITHSTL
Ithaca Tompkins County
Sat 10/31
6:00 am-10:12 am
1 stop5h 12m
Lambert-St Louis
Wed 11/4
1:08 pm-11:44 pm
2 stops9h 36m
$444
IthacaSt. Louis
ITH Ithaca Tompkins County - STL Lambert-St Louis
ITHSTL
Ithaca Tompkins County
Sat 10/24
6:15 am-2:16 pm
2 stops9h 01m
Lambert-St Louis
Mon 10/26
1:08 pm-11:44 pm
2 stops9h 36m
$449
Sorted by cheapest first
- 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.
ITH-STL
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.
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.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsFairview Heights
O'Fallon
Fenton
Swansea
Eureka
Wentzville
Maryland Heights
Collinsville
Edwardsville
Glencoe
Chesterfield
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