STL - ITH

$344 Find Cheap Flights from St. Louis to Ithaca - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$464
Typical prices: $1,332-$1,332
United Airlines
Fri 2/2Tue 2/6
STL - ITH • 1 stop
Cheapest one-way
$410
Typical prices: $474-$474
United Airlines
Tue 3/6
STL - ITH • 2 stops
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Booking Insights
Flight Deals

Cheap Flights from St. Louis to Ithaca (STL-ITH)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Ithaca

Tue, Feb 2 - Sat, Feb 6
United Airlines Logo
1:15 pm - 6:40 pmSTL  Lambert-St Louis-ITH Ithaca Tompkins County
4h 25m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
9:45 am - 7:28 pmITH  Ithaca Tompkins County-STL Lambert-St Louis
10h 43m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
$464United Airlines
Tue, Feb 2 - Sat, Feb 6
United Airlines Logo
5:00 am - 6:40 pmSTL  Lambert-St Louis-ITH Ithaca Tompkins County
12h 40m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
United Airlines Logo
9:45 am - 7:28 pmITH  Ithaca Tompkins County-STL Lambert-St Louis
10h 43m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
$469United Airlines
Fri, Mar 5 - Tue, Mar 9
Delta Logo
5:30 pm - 11:50 amSTL  Lambert-St Louis-ITH Ithaca Tompkins County
17h 20m2 stops Minneapolis St Paul New York John F Kennedy Intl
Delta Logo
2:00 pm - 8:37 pmITH  Ithaca Tompkins County-STL Lambert-St Louis
7h 37m2 stops New York John F Kennedy Intl Detroit Metropolitan Wayne County
$533Delta
Thu, Mar 4 - Mon, Mar 8
Delta Logo
5:23 pm - 12:41 pmSTL  Lambert-St Louis-ITH Ithaca Tompkins County
18h 18m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl
Delta Logo
2:00 pm - 11:39 pmITH  Ithaca Tompkins County-STL Lambert-St Louis
10h 39m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson
$574Delta
Sat, Mar 6 - Tue, Mar 9
Delta Logo
7:05 am - 10:47 pmSTL  Lambert-St Louis-ITH Ithaca Tompkins County
14h 42m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl
Delta Logo
2:00 pm - 8:37 pmITH  Ithaca Tompkins County-STL Lambert-St Louis
7h 37m2 stops New York John F Kennedy Intl Detroit Metropolitan Wayne County
$619Delta
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
3:15 pm - 11:44 pmSTL  Lambert-St Louis-ITH Ithaca Tompkins County
7h 29m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
United Airlines Logo
6:00 am - 12:10 pmITH  Ithaca Tompkins County-STL Lambert-St Louis
7h 10m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
$633United Airlines
Sat, Mar 6 - Wed, Mar 10
United Airlines Logo
10:30 am - 11:30 pmSTL  Lambert-St Louis-ITH Ithaca Tompkins County
12h 00m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
United Airlines Logo
10:27 am - 9:13 pmITH  Ithaca Tompkins County-STL Lambert-St Louis
11h 46m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
$644United Airlines
Thu, Dec 3 - Sun, Dec 6
United Airlines Logo
6:30 am - 6:42 pmSTL  Lambert-St Louis-ITH Ithaca Tompkins County
11h 12m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
United Airlines Logo
6:04 am - 10:03 amITH  Ithaca Tompkins County-STL Lambert-St Louis
4h 59m1 stop Washington, D.C. Dulles Intl
$647United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
3:15 pm - 11:44 pmSTL  Lambert-St Louis-ITH Ithaca Tompkins County
7h 29m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
United Airlines Logo
6:00 am - 12:10 pmITH  Ithaca Tompkins County-STL Lambert-St Louis
7h 10m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
$663United Airlines
Thu, Dec 3 - Sun, Dec 6
United Airlines Logo
6:30 am - 6:42 pmSTL  Lambert-St Louis-ITH Ithaca Tompkins County
11h 12m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
United Airlines Logo
6:04 am - 12:22 pmITH  Ithaca Tompkins County-STL Lambert-St Louis
7h 18m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
$678United Airlines
Booking Insights

Price, demand and travel trends for St. Louis to Ithaca flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from St. Louis to Ithaca?

Round-trip flights from St. Louis to Ithaca typically range from $1,332 to $1,332. The lowest price found in the past 5 days was $464, on United Airlines.

Key details for St. Louis to Ithaca flights

Cheapest flight

$410
One-way flight from St. Louis to Ithaca

When to book flights from St. Louis to Ithaca

Are your dates flexible? Find out the best times to travel from St. Louis to Ithaca based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your St. Louis to Ithaca flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from St. Louis to Ithaca?

    Only Economy Class is available on flights from St. Louis to Ithaca.

  • Do I need a passport to fly from St. Louis to Ithaca?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • Have flight prices from St. Louis to Ithaca changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $464 to $2,554. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from St. Louis to Ithaca looking right now?

    One-way fares from St. Louis to Ithaca are currently higher than usual. Average one-way flight prices are about $510, which is 7% above the typical average for this route.

  • Which airports can I use when flying from St. Louis to Ithaca?

    Flights from St. Louis to Ithaca usually depart from Lambert-St Louis (STL) and arrive at Ithaca Tompkins County (ITH).

  • Which airports do connecting flights from St. Louis to Ithaca pass through?

    Most connecting flights from St. Louis to Ithaca pass through Washington, D.C. Dulles Intl (IAD), which handles 100% of one-stop traffic on this route.

  • What is the time difference between St. Louis and Ithaca?

    Ithaca is 1 hour ahead of St. Louis (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking St. Louis to Ithaca flights

Get tips on when to book, when to fly and what to know before your trip.

More options for your flight from St. Louis to Ithaca

Complete your trip to Ithaca with a hotel stay or car rental