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. Other layover airports each see under 5%.

Can I save money by using flexible dates for flights from St. Louis to Ithaca?

On the St. Louis to Ithaca route, being flexible with your departure day can save you up to 56%. Saturday is the cheapest day at $594 round-trip on average, while Monday is the most expensive at $1,332: a $738 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

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 $329 to $2,501. That means the highest observed fare was about 8x 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 $916, which is 104% above 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 should I expect to pay for a St. Louis to Ithaca flight?

Round-trip flights from St. Louis to Ithaca range from $594 to $1,332, with an average of $1,332 over the past 12 months. Anything below $594 counts as a good deal.

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

Delta ($329) and United Airlines ($409) are the cheapest airlines to fly round-trip from St. Louis to Ithaca according to KAYAK data over 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 213 minutes over the past 3 months.

$274 CHEAP FLIGHTS from St. Louis to Ithaca (STL - ITH)

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Cheapest round-trip

$329

Typical prices: $594-$1,332

Delta

Sun 10/21Wed 10/24

STL - ITH • 2 stops

Cheapest one-way

$274

Typical prices: $449-$454

United Airlines

Sun 11/18

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

Wed, Oct 21 - Sat, Oct 24

10:31 am - 11:03 pmSTL Lambert-St Louis-ITH Ithaca Tompkins County

11h 32m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl

5:40 am - 1:20 pmITH Ithaca Tompkins County-STL Lambert-St Louis

8h 40m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$329Delta

Fri, Oct 23 - Sat, Oct 24

12:00 pm - 11:01 pmSTL Lambert-St Louis-ITH Ithaca Tompkins County

10h 01m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

5:40 am - 1:20 pmITH Ithaca Tompkins County-STL Lambert-St Louis

8h 40m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$344Delta

Sat, Sep 5 - Wed, Sep 9

3:44 pm - 12:42 amSTL Lambert-St Louis-ITH Ithaca Tompkins County

7h 58m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

5:45 am - 2:08 pmITH Ithaca Tompkins County-STL Lambert-St Louis

9h 23m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$389Delta

Sun, Sep 6 - Wed, Sep 9

11:00 am - 12:42 amSTL Lambert-St Louis-ITH Ithaca Tompkins County

12h 42m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

5:45 am - 12:32 pmITH Ithaca Tompkins County-STL Lambert-St Louis

7h 47m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$389Delta

Sat, Nov 7 - Tue, Nov 10

9:40 am - 7:02 pmSTL Lambert-St Louis-ITH Ithaca Tompkins County

8h 22m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

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

$409United Airlines

Sat, Sep 5 - Sun, Sep 6

3:44 pm - 12:42 amSTL Lambert-St Louis-ITH Ithaca Tompkins County

7h 58m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

1:10 pm - 8:42 pmITH Ithaca Tompkins County-STL Lambert-St Louis

8h 32m2 stops New York John F Kennedy Intl Detroit Metropolitan Wayne County

$454Delta

Sat, Sep 5 - Wed, Sep 9

8:00 am - 7:03 pmSTL Lambert-St Louis-ITH Ithaca Tompkins County

10h 03m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

6:00 am - 9:39 amITH Ithaca Tompkins County-STL Lambert-St Louis

4h 39m1 stop Washington, D.C. Dulles Intl

$464United Airlines

Sat, Sep 5 - Tue, Sep 8

7:25 am - 7:03 pmSTL Lambert-St Louis-ITH Ithaca Tompkins County

10h 38m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

10:25 am - 8:47 pmITH Ithaca Tompkins County-STL Lambert-St Louis

11h 22m2 stops Washington, D.C. Dulles Intl Newark

$469United Airlines

Wed, Oct 21 - Mon, Oct 26

10:31 am - 11:03 pmSTL Lambert-St Louis-ITH Ithaca Tompkins County

11h 32m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl

1:03 pm - 9:23 pmITH Ithaca Tompkins County-STL Lambert-St Louis

9h 20m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$469Delta

Fri, Oct 23 - Mon, Oct 26

12:00 pm - 11:01 pmSTL Lambert-St Louis-ITH Ithaca Tompkins County

10h 01m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

1:03 pm - 9:23 pmITH Ithaca Tompkins County-STL Lambert-St Louis

9h 20m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$484Delta

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 from St. Louis to Ithaca with more confidence.

Prices

Airlines

Layovers

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

Round-trip flights from St. Louis to Ithaca start at $329. Prices are below average for this route right now, with typical round-trip fares ranging from $594 to $1,332. The lowest price found in the past 5 days was $329 on Delta.

Find deals

Cheapest flight	$274

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.

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. Other layover airports each see under 5%.
Can I save money by using flexible dates for flights from St. Louis to Ithaca?
On the St. Louis to Ithaca route, being flexible with your departure day can save you up to 56%. Saturday is the cheapest day at $594 round-trip on average, while Monday is the most expensive at $1,332: a $738 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
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 $329 to $2,501. That means the highest observed fare was about 8x 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 $916, which is 104% above 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 should I expect to pay for a St. Louis to Ithaca flight?
Round-trip flights from St. Louis to Ithaca range from $594 to $1,332, with an average of $1,332 over the past 12 months. Anything below $594 counts as a good deal.

If your dates can be flexible, aim for a Saturday departure instead of Monday. On this route, Saturday flights average $594 - about $738 less than Monday (55% savings) based on the last 12 months.
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

Everything you need to know for your flight from St. Louis to Ithaca

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St. Louis (STL)

Ithaca (ITH)

STL - ITH

$274 Find Cheap Flights from St. Louis to Ithaca - Compare and Save

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?

What is the cheapest airline 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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When to book flights from St. Louis to Ithaca

Your St. Louis to Ithaca flight questions, answered

Your guide to booking St. Louis to Ithaca flights

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