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Cheap flights from Ithaca to St. Louis from $309

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Ithaca to St. Louis departing on 2/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ithaca to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 10:13 am
ITH
-
STL
5h 13m
1 stop
United Airlines Logo
8:17 am - 6:27 pm
STL
-
ITH
9h 10m
2 stops
$309United Airlines
Thu, Feb 26 - Wed, Mar 4
United Airlines Logo
6:00 am - 10:13 am
ITH
-
STL
5h 13m
1 stop
United Airlines Logo
12:15 pm - 6:27 pm
STL
-
ITH
5h 12m
1 stop
$339United Airlines
Thu, Feb 26 - Wed, Mar 4
United Airlines Logo
10:30 am - 7:23 pm
ITH
-
STL
9h 53m
2 stops
United Airlines Logo
7:45 am - 6:49 pm
STL
-
ITH
10h 04m
2 stops
$430United Airlines
Sat, May 2 - Sat, May 9
United Airlines Logo
7:45 pm - 9:05 pm
ITH
-
STL
26h 20m
2 stops
United Airlines Logo
7:40 am - 6:22 pm
STL
-
ITH
9h 42m
2 stops
$447United Airlines
Mon, Mar 2 - Mon, Mar 9
United Airlines Logo
10:30 am - 9:52 pm
ITH
-
STL
12h 22m
2 stops
United Airlines Logo
7:45 am - 11:44 pm
STL
-
ITH
14h 59m
3 stops
$467United Airlines
Sat, May 2 - Sat, May 9
United Airlines Logo
7:45 pm - 8:23 pm
ITH
-
STL
25h 38m
1 stop
United Airlines Logo
7:40 am - 6:22 pm
STL
-
ITH
9h 42m
2 stops
$476United Airlines
Mon, Mar 2 - Mon, Mar 9
Delta Logo
5:29 am - 2:47 pm
ITH
-
STL
10h 18m
2 stops
Delta Logo
6:35 am - 2:23 pm
STL
-
ITH
6h 48m
2 stops
$484Delta
Thu, Feb 26 - Wed, Mar 4
United Airlines Logo
6:10 am - 10:28 am
ITH
-
STL
5h 18m
1 stop
United Airlines Logo
7:45 am - 6:49 pm
STL
-
ITH
10h 04m
2 stops
$492United Airlines
Sat, May 2 - Sat, May 9
United Airlines Logo
7:45 pm - 10:14 pm
ITH
-
STL
27h 29m
3 stops
United Airlines Logo
7:40 am - 6:22 pm
STL
-
ITH
9h 42m
2 stops
$514United Airlines
Mon, Mar 2 - Mon, Mar 9
United Airlines Logo
6:00 am - 2:42 pm
ITH
-
STL
9h 42m
2 stops
United Airlines Logo
7:40 am - 6:22 pm
STL
-
ITH
9h 42m
2 stops
$614United Airlines
Thu, Mar 5 - Mon, Mar 9

United Airlines flights from Ithaca to St. Louis

Our best United Airlines deals on Ithaca to St. Louis flight tickets
United Airlines
Feb 26
ITH6:00 amIthaca Tompkins County
5h 13m
1 stop
STL10:13 amLambert-St Louis
Mar 4
STL8:17 amLambert-St Louis
9h 10m
2 stops
ITH6:27 pmIthaca Tompkins County
$309
United Airlines
Feb 26
ITH6:00 amIthaca Tompkins County
5h 13m
1 stop
STL10:13 amLambert-St Louis
Mar 4
STL12:15 pmLambert-St Louis
5h 12m
1 stop
ITH6:27 pmIthaca Tompkins County
$339
United Airlines
May 2
ITH10:30 amIthaca Tompkins County
9h 53m
2 stops
STL7:23 pmLambert-St Louis
May 9
STL7:45 amLambert-St Louis
10h 04m
2 stops
ITH6:49 pmIthaca Tompkins County
$430

Delta flights from Ithaca to St. Louis

Our best Delta deals on Ithaca to St. Louis flight tickets
Delta
Feb 26
ITH5:29 amIthaca Tompkins County
10h 18m
2 stops
STL2:47 pmLambert-St Louis
Mar 4
STL6:35 amLambert-St Louis
6h 48m
2 stops
ITH2:23 pmIthaca Tompkins County
$484
Delta
Mar 13
ITH1:33 pmIthaca Tompkins County
8h 09m
2 stops
STL8:42 pmLambert-St Louis
Mar 16
STL1:39 pmLambert-St Louis
9h 20m
2 stops
ITH11:59 pmIthaca Tompkins County
$628
Delta
Mar 13
ITH1:33 pmIthaca Tompkins County
8h 09m
2 stops
STL8:42 pmLambert-St Louis
Mar 16
STL1:39 pmLambert-St Louis
9h 20m
2 stops
ITH11:59 pmIthaca Tompkins County
$696

momondo Fare Finder

 
Customize your flight search to find flights from Ithaca to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 12, 2026.
Use the filters below to find and compare flights from Ithaca to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Thu 2/26

6:00 am-10:13 am

1 stop5h 13m

Lambert-St Louis

Wed 3/4

8:17 am-6:27 pm

2 stops9h 10m

$309

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Thu 2/26

6:00 am-10:13 am

1 stop5h 13m

Lambert-St Louis

Wed 3/4

12:15 pm-6:27 pm

1 stop5h 12m

$339

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Sat 5/2

10:30 am-7:23 pm

2 stops9h 53m

Lambert-St Louis

Sat 5/9

7:45 am-6:49 pm

2 stops10h 04m

$430

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Mon 3/2

7:45 pm-9:05 pm

2 stops26h 20m

Lambert-St Louis

Mon 3/9

7:40 am-6:22 pm

2 stops9h 42m

$447

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Sat 5/2

10:30 am-9:52 pm

2 stops12h 22m

Lambert-St Louis

Sat 5/9

7:45 am-11:44 pm

3 stops14h 59m

$467

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Mon 3/2

7:45 pm-8:23 pm

1 stop25h 38m

Lambert-St Louis

Mon 3/9

7:40 am-6:22 pm

2 stops9h 42m

$476

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Thu 2/26

5:29 am-2:47 pm

2 stops10h 18m

Lambert-St Louis

Wed 3/4

6:35 am-2:23 pm

2 stops6h 48m

$484

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Sat 5/2

6:10 am-10:28 am

1 stop5h 18m

Lambert-St Louis

Sat 5/9

7:45 am-6:49 pm

2 stops10h 04m

$492

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Mon 3/2

7:45 pm-10:14 pm

3 stops27h 29m

Lambert-St Louis

Mon 3/9

7:40 am-6:22 pm

2 stops9h 42m

$514

IthacaSt. Louis

ITH - STL

ITHSTL

Ithaca Tompkins County

Thu 3/5

6:00 am-2:42 pm

2 stops9h 42m

Lambert-St Louis

Mon 3/9

7:40 am-6:22 pm

2 stops9h 42m

$614

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to St. Louis from

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

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

Delta and United Airlines are the most popular carriers operating from Ithaca Tompkins County to Lambert-St Louis

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 50% 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.

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

5h 13m

Direct flights

None
The fastest flight from Ithaca to St. Louis takes 5h 13m
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. 5h 13m 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.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Maryland Heights
Florissant
O'Fallon
Collinsville
St. Peters
Fenton
Wentzville
Alton
Farmington
Clayton
Edwardsville
Eureka
Festus
Litchfield
Glencoe
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.

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