What airlines fly to St. Louis?

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to St. Louis from Ithaca according to our data. Delta is the first choice among our users, with 48% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 4 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ithaca Tompkins County to Lambert-St Louis?

United Airlines is the most popular carrier operating from Ithaca Tompkins County to Lambert-St Louis

When did momondo last update prices for flights from Ithaca Tompkins County Airport to Lambert-St Louis Airport?

Prices for flights from Ithaca Tompkins County Airport to Lambert-St Louis Airport were last updated today.

How old do you have to be to fly from Ithaca Tompkins County Airport to Lambert-St Louis Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ithaca Tompkins County Airport to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$298 Cheap Flights from Ithaca to St. Louis in 2025/26

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Find the cheapest flights from Ithaca to St. Louis

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Cheap round-trip flights

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6:00 am - 2:30 pm

ITH

STL

9h 30m2 stops

3:11 pm - 11:44 pm

STL

ITH

7h 33m2 stops

$384United Airlines

Fri, Jan 30 - Tue, Feb 3

6:00 am - 2:30 pm

ITH

STL

9h 30m2 stops

12:44 pm - 6:41 pm

STL

ITH

4h 57m1 stop

$400United Airlines

Fri, Jan 30 - Tue, Feb 3

7:45 pm - 7:27 pm

ITH

STL

24h 42m1 stop

3:11 pm - 11:44 pm

STL

ITH

7h 33m2 stops

$441United Airlines

Fri, Jan 30 - Tue, Feb 3

7:45 pm - 10:41 am

ITH

STL

15h 56m2 stops

3:11 pm - 11:44 pm

STL

ITH

7h 33m2 stops

$446United Airlines

Fri, Jan 30 - Tue, Feb 3

7:45 pm - 7:27 pm

ITH

STL

24h 42m1 stop

12:44 pm - 6:41 pm

STL

ITH

4h 57m1 stop

$457United Airlines

Fri, Jan 30 - Tue, Feb 3

7:45 pm - 7:27 pm

ITH

STL

24h 42m1 stop

12:44 pm - 6:41 pm

STL

ITH

4h 57m1 stop

$495United Airlines

Fri, Jan 30 - Tue, Feb 3

7:45 pm - 7:27 pm

ITH

STL

24h 42m1 stop

11:20 am - 6:41 pm

STL

ITH

30h 21m2 stops

$553United Airlines

Fri, Jan 30 - Tue, Feb 3

7:45 pm - 9:13 pm

ITH

STL

26h 28m2 stops

11:20 am - 6:41 pm

STL

ITH

30h 21m2 stops

$562United Airlines

Fri, Jan 30 - Tue, Feb 3

5:32 am - 2:58 pm

ITH

STL

10h 26m2 stops

1:35 pm - 11:17 pm

STL

ITH

8h 42m2 stops

$873Delta

Fri, Mar 20 - Mon, Mar 23

6:00 am - 10:27 am

ITH

STL

5h 27m1 stop

8:30 am - 11:42 pm

STL

ITH

14h 12m1 stop

$1,751United Airlines

Sun, Mar 22 - Mon, Mar 23

United Airlines flights from Ithaca to St. Louis

Our best United Airlines deals on Ithaca to St. Louis flight tickets

United Airlines

Jan 30

ITH6:00 amIthaca Tompkins County

9h 30m

2 stops

STL2:30 pmLambert-St Louis

Feb 3

STL3:11 pmLambert-St Louis

7h 33m

2 stops

ITH11:44 pmIthaca Tompkins County

$384

Find similar

United Airlines

Jan 30

ITH6:00 amIthaca Tompkins County

9h 30m

2 stops

STL2:30 pmLambert-St Louis

Feb 3

STL12:44 pmLambert-St Louis

4h 57m

1 stop

ITH6:41 pmIthaca Tompkins County

$400

Find similar

United Airlines

Jan 30

ITH7:45 pmIthaca Tompkins County

24h 42m

1 stop

STL7:27 pmLambert-St Louis

Feb 3

STL3:11 pmLambert-St Louis

7h 33m

2 stops

ITH11:44 pmIthaca Tompkins County

$441

Find similar

Fly from

Fly to

Route

Depart

Return

Price

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Fri 1/30

6:00 am-2:30 pm

2 stops9h 30m

Lambert-St Louis

Tue 2/3

3:11 pm-11:44 pm

2 stops7h 33m

$384

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Fri 1/30

6:00 am-2:30 pm

2 stops9h 30m

Lambert-St Louis

Tue 2/3

12:44 pm-6:41 pm

1 stop4h 57m

$400

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Fri 1/30

7:45 pm-7:27 pm

1 stop24h 42m

Lambert-St Louis

Tue 2/3

3:11 pm-11:44 pm

2 stops7h 33m

$441

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Fri 1/30

7:45 pm-10:41 am

2 stops15h 56m

Lambert-St Louis

Tue 2/3

3:11 pm-11:44 pm

2 stops7h 33m

$446

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Fri 1/30

7:45 pm-7:27 pm

1 stop24h 42m

Lambert-St Louis

Tue 2/3

12:44 pm-6:41 pm

1 stop4h 57m

$457

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Fri 1/30

7:45 pm-7:27 pm

1 stop24h 42m

Lambert-St Louis

Tue 2/3

12:44 pm-6:41 pm

1 stop4h 57m

$495

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Fri 1/30

7:45 pm-7:27 pm

1 stop24h 42m

Lambert-St Louis

Tue 2/3

11:20 am-6:41 pm

2 stops30h 21m

$553

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Fri 1/30

7:45 pm-9:13 pm

2 stops26h 28m

Lambert-St Louis

Tue 2/3

11:20 am-6:41 pm

2 stops30h 21m

$562

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Fri 3/20

5:32 am-2:58 pm

2 stops10h 26m

Lambert-St Louis

Mon 3/23

1:35 pm-11:17 pm

2 stops8h 42m

$873

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Sun 3/22

6:00 am-10:27 am

1 stop5h 27m

Lambert-St Louis

Mon 3/23

8:30 am-11:42 pm

1 stop14h 12m

$1,751

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ithaca to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $358. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $898. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Ithaca in the morning is the least expensive time of day to depart. momondo users have found prices as low as $391 when looking at flights departing in the morning. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $476 per ticket.

When to book flights from Ithaca to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Ithaca to St. Louis according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ithaca to St. Louis (ITH to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ithaca to St. Louis

Fastest flight time	9h 30m
Direct flights	None

The fastest flight from Ithaca to St. Louis takes 9h 30m

There are no direct flights from Ithaca to St. Louis. There are no popular flight routes from Ithaca to St. Louis.

Search flight deals

How far is Ithaca Tompkins County to Lambert-St Louis by plane?
The distance between Ithaca Tompkins County and Lambert-St Louis is about 764.6 mi. 9h 30m is a normal flight duration for this route.
When did momondo last update prices for flights from Ithaca Tompkins County Airport to Lambert-St Louis Airport?
Prices for flights from Ithaca Tompkins County Airport to Lambert-St Louis Airport were last updated today.
How old do you have to be to fly from Ithaca Tompkins County Airport to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ithaca Tompkins County Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

St. Charles

Chesterfield

Hermann

Fairview Heights

Maryland Heights

O'Fallon

Florissant

Fenton

Wentzville

St. Peters

Collinsville

Alton

Clayton

Festus

Glencoe

Farmington

Eureka

Edwardsville

Litchfield

Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Ithaca to St. Louis?

Finding the right flight to St. Louis from Ithaca is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

Can I find flights from Ithaca to St. Louis with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to St. Louis from Ithaca with this policy.

How can momondo help me find flights from Ithaca to St. Louis?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ithaca to St. Louis.

I’m not ready to book a flight from Ithaca to St. Louis right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ithaca to St. Louis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.