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).

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

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

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.

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

Yes. Flexible dates can save you up to 71% on flights from Ithaca to St. Louis. 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 $456 to $1,687. That means the highest observed fare was about 4x 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 averaging $78 for economy cars. Top options include: • Hertz • Budget • Alamo • Enterprise Rent-A-Car • Payless

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

Round-trip flights from Ithaca to St. Louis typically range from $473 to $1,630. The lowest price found in the past 5 days was $456, on United Airlines.

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

United Airlines ($456) and Delta ($504) 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 4h 09m over the past 3 months.

$456 CHEAP FLIGHTS from Ithaca to St. Louis (ITH - STL)

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$456

Typical prices: $473-$1,630

United Airlines

Mon 11/12Fri 11/16

ITH - STL • 2 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to St. Louis!

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

Thu, Nov 12 - Mon, Nov 16

10:28 am - 9:40 pmITH Ithaca Tompkins County-STL Lambert-St Louis

12h 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

$456United Airlines

Thu, Nov 12 - Wed, Nov 18

5:44 am - 1:23 pmITH Ithaca Tompkins County-STL Lambert-St Louis

8h 39m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

10:05 am - 10:23 pmSTL Lambert-St Louis-ITH Ithaca Tompkins County

11h 18m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

$504Delta

Thu, Nov 12 - Wed, Nov 18

5:44 am - 1:23 pmITH Ithaca Tompkins County-STL Lambert-St Louis

8h 39m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

10:05 am - 10:23 pmSTL Lambert-St Louis-ITH Ithaca Tompkins County

11h 18m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

$519Delta

Fri, Dec 4 - Sun, Dec 6

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

5:25 am - 6:42 pmSTL Lambert-St Louis-ITH Ithaca Tompkins County

12h 17m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

$538United Airlines

Sat, Dec 5 - Sun, Dec 6

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

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

5:25 am - 6:42 pmSTL Lambert-St Louis-ITH Ithaca Tompkins County

12h 17m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

$548United Airlines

Sat, Dec 5 - Sun, Dec 6

6:04 am - 12:24 pmITH Ithaca Tompkins County-STL Lambert-St Louis

7h 20m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

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

$561United Airlines

Thu, Nov 12 - Mon, Nov 16

10:28 am - 9:40 pmITH Ithaca Tompkins County-STL Lambert-St Louis

12h 12m2 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

$617United Airlines

Tue, Nov 17 - Sun, Nov 22

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

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

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

$627United Airlines

Fri, Nov 13 - Tue, Nov 17

6:00 am - 2:34 pmITH Ithaca Tompkins County-STL Lambert-St Louis

9h 34m2 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

$633United Airlines

Sat, Nov 14 - Wed, Nov 18

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

1:40 pm - 9:46 amSTL Lambert-St Louis-ITH Ithaca Tompkins County

19h 06m2 stops Denver Intl Washington, D.C. Dulles Intl

$652United Airlines

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 with more confidence.

Prices

Airlines

Layovers

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

Find deals

Cheapest flight	$456

Round-trip flight from Ithaca to St. Louis

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.

What cabin classes can I book on flights from Ithaca to St. Louis?
Only Economy Class is available on flights from Ithaca to St. Louis.
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 $456 to $1,687. That means the highest observed fare was about 4x higher than the lowest one.
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 averaging $78 for economy cars. Top options include:

• Hertz
• Budget
• Alamo
• Enterprise Rent-A-Car
• Payless
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.
Can I save money by using flexible dates for flights from Ithaca to St. Louis?
Yes. Flexible dates can save you up to 71% on flights from Ithaca to St. Louis. 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 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 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.

If your dates are flexible, aim for a Tuesday departure and avoid flying on Sunday. On this route, Tuesday flights average $473, about $1,157 less than Sunday fares (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.

• Renaissance St. Louis Airport Hotel
• Drury Inn & Suites St. Louis Airport
• DoubleTree by Hilton St. Louis Airport

More options for your flight from Ithaca to St. Louis

Add a hotel or car rental

Airports

Cabin class

Direct Flights

Origins

Other destinations

Return flight

Complete your trip to St. Louis with a hotel stay or car rental

Car rentals in St. Louis

Hotels in St. Louis

Vacations in St. Louis

ITH - STL

$456 Find Cheap Flights from Ithaca to St. Louis - Compare and Save

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?

Which airline is the cheapest 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?

Key details for Ithaca to St. Louis flights

Cheapest flight

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

Complete your trip to St. Louis with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Ithaca to St. Louis

Find direct flights to and from Ithaca and St. Louis

Flights from domestic origins to St. Louis

Flights to other popular destinations

Find deals for your return flight