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).

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.

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.

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 $474 to $1,428. That means the highest observed fare was about 3x 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 lower than usual. Average one-way flight prices are about $385, which is 19% below the typical average for 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.

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 $474, on United Airlines.

Which airline is the cheapest to fly from St. Louis to Ithaca?

United Airlines ($474) offered the cheapest round-trip ticket from St. Louis to Ithaca in the last 5 days.

What is the cheapest layover airport when flying from St. Louis to Ithaca?

Flights via Washington, D.C. Dulles Intl (IAD) offer the most affordable fares, with an average round-trip price of $1,332. Based on KAYAK data over the past 3 months.

When flying from St. Louis to Ithaca which airport offers the shortest layover?

Washington, D.C. Dulles Intl (IAD) had the shortest average connection time for St. Louis to Ithaca layovers at 3h 33m over the past 3 months.

$299 CHEAP FLIGHTS from St. Louis to Ithaca (STL - ITH)

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Cheapest round-trip

$474

Typical prices: $1,332-$1,332

United Airlines

Fri 2/2Tue 2/6

STL - ITH • 1 stop

Cheapest one-way

$299

Typical prices: $474-$474

United Airlines

Tue 12/25

STL - ITH • 1 stop

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Flight Deals

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

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

Round-trip

One-way

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

Tue, Feb 2 - Sat, Feb 6

1:15 pm - 6:40 pmSTL Lambert-St Louis-ITH Ithaca Tompkins County

4h 25m1 stop Washington, D.C. Dulles Intl

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

$474United Airlines

Tue, Feb 2 - Sat, Feb 6

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

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

$479United Airlines

Thu, Dec 3 - Sun, Dec 6

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

6:04 am - 10:03 amITH Ithaca Tompkins County-STL Lambert-St Louis

4h 59m1 stop Washington, D.C. Dulles Intl

$653United Airlines

Tue, Feb 2 - Sat, Feb 6

1:15 pm - 6:40 pmSTL Lambert-St Louis-ITH Ithaca Tompkins County

4h 25m1 stop Washington, D.C. Dulles Intl

9:45 am - 7:27 pmITH Ithaca Tompkins County-STL Lambert-St Louis

10h 42m1 stop Washington, D.C. Dulles Intl

$714United Airlines

Thu, Dec 3 - Sun, Dec 6

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

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

$749United Airlines

Tue, Feb 2 - Sat, Feb 6

1:15 pm - 6:40 pmSTL Lambert-St Louis-ITH Ithaca Tompkins County

4h 25m1 stop Washington, D.C. Dulles Intl

9:45 am - 7:27 pmITH Ithaca Tompkins County-STL Lambert-St Louis

10h 42m1 stop Washington, D.C. Dulles Intl

$941United Airlines

Sat, Nov 21 - Wed, Nov 25

1:00 pm - 9:46 amSTL Lambert-St Louis-ITH Ithaca Tompkins County

19h 46m1 stop Washington, D.C. Dulles Intl

7:55 pm - 7:30 pmITH Ithaca Tompkins County-STL Lambert-St Louis

24h 35m1 stop Washington, D.C. Dulles Intl

$1,418United Airlines

Sat, Nov 21 - Wed, Nov 25

8:00 am - 7:02 pmSTL Lambert-St Louis-ITH Ithaca Tompkins County

10h 02m1 stop Washington, D.C. Dulles Intl

7:55 pm - 12:10 pmITH Ithaca Tompkins County-STL Lambert-St Louis

17h 15m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$1,423United Airlines

Sat, Nov 21 - Wed, Nov 25

2:55 pm - 9:46 amSTL Lambert-St Louis-ITH Ithaca Tompkins County

17h 51m2 stops Houston George Bush Intcntl Washington, D.C. Dulles Intl

7:55 pm - 10:32 amITH Ithaca Tompkins County-STL Lambert-St Louis

15h 37m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$1,428United 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.

Prices

Airlines

Layovers

How much is a round-trip flight from St. Louis to Ithaca? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from St. Louis to Ithaca departing in february.

Find deals

Cheapest flight	$299

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

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

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 $474 to $1,428. That means the highest observed fare was about 3x 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 lower than usual. Average one-way flight prices are about $385, which is 19% below 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.

If you're arriving late at night and need somewhere to stay, check out these hotels close to Ithaca Tompkins County Airport.

• Cayuga Blu Hotel
• Homewood Suites by Hilton Ithaca
• Courtyard by Marriott Ithaca Airport/University

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Everything you should know

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

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

Recent one-way flight deals from St. Louis to Ithaca

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

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

Which airline is the cheapest to fly from St. Louis to Ithaca?

What is the cheapest layover airport when flying from St. Louis to Ithaca?

When flying from St. Louis to Ithaca which airport offers the shortest layover?

Key details for St. Louis to Ithaca flights

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