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

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

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

Most connecting flights from Ithaca to St. Louis 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 Ithaca to St. Louis?

Yes. Being flexible with your travel dates can save you up to 71% on the Ithaca to St. Louis route. Tuesday is the cheapest departure day at $473 round-trip on average, while Sunday is the most expensive at $1,630, a difference of $1,157. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in St. Louis?

Some of the most popular sights in St. Louis are Busch Stadium, Enterprise Center and America's Center Convention Complex. These are among the most viewed places in St. Louis on KAYAK.

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

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 Ithaca to St. Louis 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 $344 to $2,326. That means the highest observed fare was about 7x higher than the lowest one.

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

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

What car rental options are available at Lambert-St Louis Airport (STL)?

Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include: • Hertz • Budget • Alamo • Enterprise Rent-A-Car • Payless

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

United Airlines ($344) and Delta ($349) are the cheapest airlines to fly round-trip from Ithaca to St. Louis according to KAYAK data over the last 5 days.

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

Flights via Washington, D.C. Dulles Intl (IAD) offer the most affordable fares, with an average round-trip price of $1,089. Based on KAYAK data over the past 3 months.

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

Washington, D.C. Dulles Intl (IAD) had the shortest average connection time for Ithaca to St. Louis layovers at 249 minutes over the past 3 months.

$344 CHEAP FLIGHTS from Ithaca to St. Louis (ITH - STL)

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Cheapest round-trip

$344

Typical prices: $473-$1,630

United Airlines

Sun 11/11Wed 11/14

ITH - STL • 2 stops

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Flight Deals

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

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

Round-trip

One-way

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

Wed, Nov 11 - Sat, Nov 14

6:00 am - 3:43 pmITH Ithaca Tompkins County-STL Lambert-St Louis

10h 43m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

1:00 pm - 7:02 pmSTL Lambert-St Louis-ITH Ithaca Tompkins County

5h 02m1 stop Washington, D.C. Dulles Intl

$344United Airlines

Wed, Oct 21 - Tue, Oct 27

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

10:35 am - 10:29 pmSTL Lambert-St Louis-ITH Ithaca Tompkins County

10h 54m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl

$349Delta

Thu, Oct 22 - Wed, Oct 28

6:15 am - 12:13 pmITH Ithaca Tompkins County-STL Lambert-St Louis

6h 58m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

1:08 pm - 11:44 pmSTL Lambert-St Louis-ITH Ithaca Tompkins County

9h 36m2 stops Chicago O'Hare Intl Washington, D.C. Reagan-National

$360United Airlines

Wed, Oct 21 - Wed, Oct 28

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

10:35 am - 10:29 pmSTL Lambert-St Louis-ITH Ithaca Tompkins County

10h 54m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl

$394Delta

Thu, Oct 22 - Wed, Oct 28

6:15 am - 12:13 pmITH Ithaca Tompkins County-STL Lambert-St Louis

6h 58m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

1:08 pm - 11:44 pmSTL Lambert-St Louis-ITH Ithaca Tompkins County

9h 36m2 stops Chicago O'Hare Intl Washington, D.C. Reagan-National

$414United Airlines

Tue, Dec 8 - Wed, Jan 20

5:36 am - 1:28 pmITH Ithaca Tompkins County-STL Lambert-St Louis

8h 52m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

3:40 pm - 1:15 pmSTL Lambert-St Louis-ITH Ithaca Tompkins County

20h 35m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

$422Delta

Sat, Oct 31 - Wed, Nov 4

6:00 am - 10:12 amITH Ithaca Tompkins County-STL Lambert-St Louis

5h 12m1 stop Washington, D.C. Dulles Intl

1:08 pm - 11:44 pmSTL Lambert-St Louis-ITH Ithaca Tompkins County

9h 36m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

$424United Airlines

Sat, Oct 31 - Wed, Nov 4

6:00 am - 12:12 pmITH Ithaca Tompkins County-STL Lambert-St Louis

7h 12m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

1:08 pm - 11:44 pmSTL Lambert-St Louis-ITH Ithaca Tompkins County

9h 36m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

$429United Airlines

Tue, Dec 8 - Thu, Jan 21

5:36 am - 1:28 pmITH Ithaca Tompkins County-STL Lambert-St Louis

8h 52m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

6:59 pm - 1:15 pmSTL Lambert-St Louis-ITH Ithaca Tompkins County

17h 16m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

$441Delta

Thu, Nov 26 - Tue, Dec 1

7:30 am - 7:31 pmITH Ithaca Tompkins County-STL Lambert-St Louis

13h 01m2 stops New York John F Kennedy Intl Minneapolis St Paul

10:18 am - 10:24 pmSTL Lambert-St Louis-ITH Ithaca Tompkins County

11h 06m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl

$454Delta

Booking Insights

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

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

Prices

Airlines

Layovers

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

Round-trip flights from Ithaca to St. Louis start at $344. Prices are below average for this route right now, with typical round-trip fares ranging from $473 to $1,630. The lowest price found in the past 5 days was $344 on United Airlines.

Find deals

When to book flights from Ithaca to St. Louis

Are your dates flexible? Find out the best times to travel from Ithaca to St. Louis 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 Ithaca to St. Louis?
Flights from Ithaca to St. Louis usually depart from Ithaca Tompkins County (ITH) and arrive at Lambert-St Louis (STL).
Which airports do connecting flights from Ithaca to St. Louis pass through?
Most connecting flights from Ithaca to St. Louis 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 Ithaca to St. Louis?
Yes. Being flexible with your travel dates can save you up to 71% on the Ithaca to St. Louis route. Tuesday is the cheapest departure day at $473 round-trip on average, while Sunday is the most expensive at $1,630, a difference of $1,157. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What popular places can I visit in St. Louis?
Some of the most popular sights in St. Louis are Busch Stadium, Enterprise Center and America's Center Convention Complex. These are among the most viewed places in St. Louis on KAYAK.
Do I need a passport to fly from Ithaca to St. Louis?
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 Ithaca to St. Louis 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 $344 to $2,326. That means the highest observed fare was about 7x higher than the lowest one.
What is the time difference between Ithaca and St. Louis?
St. Louis is 1 hour behind Ithaca (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Lambert-St Louis Airport (STL)?
Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
• Hertz
• Budget
• Alamo
• Enterprise Rent-A-Car
• Payless

If your dates can be flexible, aim for a Tuesday departure instead of Sunday. On this route, Tuesday flights average $473 - about $1,157 less than Sunday (71% 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 Lambert-St Louis Airport.
- Drury Inn & Suites St. Louis Airport
- Renaissance St. Louis Airport Hotel
- DoubleTree by Hilton St. Louis Airport

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ITH - STL

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Everything you should know

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

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

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

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

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

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

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

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

When to book flights from Ithaca to St. Louis

Your Ithaca to St. Louis flight questions, answered

Your guide to booking Ithaca to St. Louis flights

More options for your flight from Ithaca to St. Louis

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